A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
The gradual destruction of a metal or alloy due to oxidation or action of a chemical agent. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed)
An enzyme that catalyzes the conversion of urea and water to carbon dioxide and ammonia. EC
NATIONAL LIBRARY OF MEDICINE service for health professionals and consumers. It links extensive information from the National Institutes of Health and other reviewed sources of information on specific diseases and conditions.
A plant genus of the family POACEAE that contains the Poa p Ia allergen and allergen C KBGP.
Travel by a group of physicians for the purpose of making a special study or undertaking a special project of short-term duration.
Databases devoted to knowledge about specific chemicals.
A republic in southern Africa, the southernmost part of Africa. It has three capitals: Pretoria (administrative), Cape Town (legislative), and Bloemfontein (judicial). Officially the Republic of South Africa since 1960, it was called the Union of South Africa 1910-1960.
A large family of narrow-leaved herbaceous grasses of the order Cyperales, subclass Commelinidae, class Liliopsida (monocotyledons). Food grains (EDIBLE GRAIN) come from members of this family. RHINITIS, ALLERGIC, SEASONAL can be induced by POLLEN of many of the grasses.
An order of diurnal BIRDS of prey, including EAGLES; HAWKS; buzzards; vultures; and falcons.
A publication issued at stated, more or less regular, intervals.
The act or practice of calling public attention to a product, service, need, etc., especially by paid announcements in newspapers, magazines, on radio, or on television. (Random House Unabridged Dictionary, 2d ed)
The generic term for salts derived from silica or the silicic acids. They contain silicon, oxygen, and one or more metals, and may contain hydrogen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th Ed)
Condition of having pores or open spaces. This often refers to bones, bone implants, or bone cements, but can refer to the porous state of any solid substance.
Exclusive legal rights or privileges applied to inventions, plants, etc.
Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.
Six-carbon alicyclic hydrocarbons.
Toxic, volatile, flammable liquid hydrocarbon byproduct of coal distillation. It is used as an industrial solvent in paints, varnishes, lacquer thinners, gasoline, etc. Benzene causes central nervous system damage acutely and bone marrow damage chronically and is carcinogenic. It was formerly used as parasiticide.
A genus of the family Lorisidae having four species which inhabit the forests and bush regions of Africa south of the Sahara and some nearby islands. The four species are G. alleni, G. crassicaudatus, G. demidovii, and G. senegalensis. There is another genus, Euoticus, containing two species which some authors have included in the Galago genus.
A plant genus of the family ZYGOPHYLLACEAE. It is sometimes called chaparral but that is a generic word which is used with a number of other plants. Members contain NORDIHYDROGUAIARETIC ACID.
Status not subject to taxation; as the income of a philanthropic organization. Tax-exempt organizations may also qualify to receive tax-deductible donations if they are considered to be nonprofit corporations under Section 501(c)3 of the United States Internal Revenue Code.
Educational institutions.
Activities concerned with governmental policies, functions, etc.

Acetylcholine-induced membrane potential changes in endothelial cells of rabbit aortic valve. (1/2413)

1. Using a microelectrode technique, acetylcholine (ACh)-induced membrane potential changes were characterized using various types of inhibitors of K+ and Cl- channels in rabbit aortic valve endothelial cells (RAVEC). 2. ACh produced transient then sustained membrane hyperpolarizations. Withdrawal of ACh evoked a transient depolarization. 3. High K+ blocked and low K+ potentiated the two ACh-induced hyperpolarizations. Charybdotoxin (ChTX) attenuated the ACh-induced transient and sustained hyperpolarizations; apamin inhibited only the sustained hyperpolarization. In the combined presence of ChTX and apamin, ACh produced a depolarization. 4. In Ca2+-free solution or in the presence of Co2+ or Ni2+, ACh produced a transient hyperpolarization followed by a depolarization. In BAPTA-AM-treated cells, ACh produced only a depolarization. 5. A low concentration of A23187 attenuated the ACh-induced transient, but not the sustained, hyperpolarization. In the presence of cyclopiazonic acid, the hyperpolarization induced by ACh was maintained after ACh removal; this maintained hyperpolarization was blocked by Co2+. 6. Both NPPB and hypertonic solution inhibited the membrane depolarization seen after ACh washout. Bumetanide also attenuated this depolarization. 7. It is concluded that in RAVEC, ACh produces a two-component hyperpolarization followed by a depolarization. It is suggested that ACh-induced Ca2+ release from the storage sites causes a transient hyperpolarization due to activation of ChTX-sensitive K+ channels and that ACh-activated Ca2+ influx causes a sustained hyperpolarization by activating both ChTX- and apamin-sensitive K+ channels. Both volume-sensitive Cl- channels and the Na+-K+-Cl- cotransporter probably contribute to the ACh-induced depolarization.  (+info)

An animal exposure system using ultrasonic nebulizer that generates well controlled aerosols from liquids. (2/2413)

Various aerosol generators have been developed for animal inhalation experiments and the performance tests of measuring instruments and respirators. It has been, however, difficult to generate aerosols from an aqueous solution or suspension keeping the concentration and particle size distribution constant for a long time. Resolving such difficulties, the present study developed an animal exposure system that generates well-controlled and stable aerosols from liquids. The exposure system consists of an aerosol generator using ultrasonic nebulizer, a mixing chamber and an exposure chamber. The validity of this system was confirmed in the generation of NiCl2 and TiO2 aerosol from solution and suspension, respectively. The concentration levels of NiCl2 aerosol were kept at 3.2 mg/m3 and 0.89 mg/m3 for 5 hours with good coefficients of variation (CVs) of 2.5% and 1.7%, respectively. For TiO2 aerosol, the concentration levels of 1.59 mg/m3 and 0.90 mg/m3 were kept for 5 hours with small CVs of 1.3% and 2.0%, respectively. This exposure system could be sufficiently used for inhalation experiments with even high toxic aerosols such as NiCl2 because a momentary high concentration possibly affects results and an extremely stable concentration is required.  (+info)

Increased calcium entry into dystrophin-deficient muscle fibres of MDX and ADR-MDX mice is reduced by ion channel blockers. (3/2413)

1. Single fibres were enzymatically isolated from interosseus muscles of dystrophic MDX mice, myotonic-dystrophic double mutant ADR-MDX mice and C57BL/10 controls. The fibres were kept in cell culture for up to 2 weeks for the study of Ca2+ homeostasis and sarcolemmal Ca2+ permeability. 2. Resting levels of intracellular free Ca2+, determined with the fluorescent Ca2+ indicator fura-2, were slightly higher in MDX (63 +/- 20 nM; means +/- s.d.; n = 454 analysed fibres) and ADR-MDX (65 +/- 12 nM; n = 87) fibres than in controls (51 +/- 20 nM; n = 265). 3. The amplitudes of electrically induced Ca2+ transients did not differ between MDX fibres and controls. Decay time constants of Ca2+ transients ranged between 10 and 55 ms in both genotypes. In 50 % of MDX fibres (n = 68), but in only 20 % of controls (n = 54), the decay time constants were > 35 ms. 4. Bath application of Mn2+ resulted in a progressive quench of fura-2 fluorescence emitted from the fibres. The quench rate was about 2 times higher in MDX fibres (3.98 +/- 1.9 % min-1; n = 275) than in controls (2.03 +/- 1.4 % min-1; n = 204). The quench rate in ADR-MDX fibres (2.49 +/- 1.4 % min-1; n = 87) was closer to that of controls. 5. The Mn2+ influx into MDX fibres was reduced to 10 % by Gd3+, to 19 % by La3+ and to 47 % by Ni2+ (all at 50 microM). Bath application of 50 microM amiloride inhibited the Mn2+ influx to 37 %. 6. We conclude that in isolated, resting MDX muscle fibres the membrane permeability for divalent cations is increased. The presumed additional influx of Ca2+ occurs through ion channels, but is well compensated for by effective cellular Ca2+ transport systems. The milder dystrophic phenotype of ADR-MDX mice is correlated with a smaller increase of their sarcolemmal Ca2+ permeability.  (+info)

Structure of the oligonucleotide d(CGTATATACG) as a site-specific complex with nickel ions. (4/2413)

In this paper we explore the application of Ni2+to the crystallization of oligonucleotides. We have determined in this way the structure of a fully alternating (Y-R) decanucleotide d(CGTATATACG) by single crystal X-ray diffraction. This is the first oligonucleotide crystal structure with an alternating 5'-(TA)3-3' central part. Alternating oligonucleotides have a particular interest since they often have a unique structure. In this case the general conformation is B-like with an alternating twist and an end-to-end interaction which involves terminal guanines. The crystal belongs to space group P41212 with a = b = 52.46, c = 101.49 A. This packing imposes a 90 degrees crossing of the symmetry related helices. This is a new way of packing for decamers. The oligonucleotide structure is characterized by the specific association with seven nickel ions, involving the N7 atom of every guanine. One of the Ni2+ions is shared between two guanines of symmetry related molecules. Until now no oligonucleotide has been crystallized in the presence of this metal ion. A novel C.A.T triplet structure has also been tentatively identified.  (+info)

Locomotory behaviour of epitheliocytes and fibroblasts on metallic grids. (5/2413)

Behaviour of epitheliocytes and fibroblasts on special discontinuous substrata (metallic grids with square openings of 45x45 microm2) was examined in order to compare the ability of these cells to spread in two mutually perpendicular directions and to stretch over the void spaces. Two cell types with typical fibroblastic morphology, the AGO 1523 line of human foreskin fibroblasts and secondary cultures of mouse embryo fibroblasts, and three cell types with typical epithelial morphology, primary mouse hepatocytes, the IAR-2 line of rat liver cells and the MDCK line of canine kidney epithelial cells (clone 20) were used. We also examined the epitheliocytes (MDCK cells, clone 20) transformed to fibroblast-like morphology by treatment with hepatocyte growth factor/scatter factor (HGF/SF). Time-lapse video microscopy, scanning electron microscopy and immunofluorescence microscopy were used to examine cell reorganizations at various stages of spreading. It was found that early stages of spreading of fibroblasts and epitheliocytes were similar: the cell spread along two bars, perpendicular to each other (bar and crossbar), with the formation of a small triangular lamellar cytoplasm stretched over the opening. Later central parts of the bodies of the fibroblasts retracted from the bars so that the cells remained attached only by their polar lamellae. Successive expansions and partial retractions of these lamellae led to elongation of the cell body crossing several openings of the grid. Epitheliocytes, in contrast to fibroblasts, at the late stages of spreading did not retract their bodies and did not contract polar lamellae. As a result, their central lamellae stretched progressively over the openings. As a result of the treatment of MDCK epitheliocytes with HGF/SF the behaviour of the cells on the grids became similar to that of fibroblasts. It is suggested that these distinct spreading patterns of epitheliocytes and fibroblasts are due to the type-specific differences in the actin-myosin cortex. Experiments with microtubule-specific drugs, colcemid and taxol, indicate that the organization of this cortex is under microtubular control.  (+info)

Leucocyte aggregation in subjects with nickel dermatitis. (6/2413)

The effect of nickel sulphate on leuco-aggragation in whole blood buffy coat layers was studied in nickel-sensitive and control subjects. At concentrations of 150 mug and 200 mug nickel sulphate per ml a significant increase in the numbers of leuco-aggregates was noted in the nickel sensitive as compared with the control subjects.  (+info)

Effects of nickel and cobalt on kinetics of methanol conversion by methanogenic sludge as assessed by on-line CH4 monitoring. (7/2413)

When metals were added in a pulse mode to methylotrophic-methanogenic biomass, three methane production rate phases were recognized. Increased concentrations of Ni and Co accelerated the initial exponential and final arithmetic increases in the methane production rate and reduced the temporary decrease in the rate. When Ni and Co were added continuously, the temporary decrease phase was eliminated and the exponential production rate increased. We hypothesize that the temporary decrease in the methane production rate and the final arithmetic increase in the methane production rate were due to micronutrient limitations and that the precipitation-dissolution kinetics of metal sulfides may play a key role in the biovailability of these compounds.  (+info)

Extracellular heavy-metal ions stimulate Ca2+ mobilization in hepatocytes. (8/2413)

Populations of hepatocytes in primary culture were loaded with fura 2 and the effects of extracellular heavy-metal ions were examined under conditions that allowed changes in fura 2 fluorescence (R340/360, the ratio of fluorescence recorded at 340 and 360 nm) to be directly attributed to changes in cytosolic free [Ca2+] ([Ca2+]i). In Ca2+-free media, Ni2+ [EC50 (concentration causing 50% stimulation) approximately 24+/-9 microM] caused reversible increases in [Ca2+]i that resulted from mobilization of the same intracellular Ca2+ stores as were released by [Arg8]vasopressin. The effects of Ni2+ were not mimicked by increasing the extracellular [Mg2+], by addition of MnCl2, CoCl2 or CdCl2 or by decreasing the extracellular pH from 7.3 to 6.0; nor were they observed in cultures of smooth muscle, endothelial cells or pituitary cells. CuCl2 (80 microM), ZnCl2 (80 microM) and LaCl3 (5 mM) mimicked the ability of Ni2+ to evoke Ca2+ mobilization. The response to La3+ was sustained even in the absence of extracellular Ca2+, probably because La3+ also inhibited Ca2+ extrusion. Although Ni2+ entered hepatocytes, from the extent to which it quenched fura 2 fluorescence the free cytosolic [Ni2+] ([Ni2+]i) was estimated to be <5 nM at the peak of the maximal Ni2+-evoked Ca2+ signals and there was no correlation between [Ni2+]i and the amplitude of the evoked increases in [Ca2+]i. We conclude that extracellular Ni2+, Zn2+, Cu2+ and La3+, but not all heavy-metal ions, evoke an increase in [Ca2+]i in hepatocytes by stimulating release of the hormone-sensitive intracellular Ca2+ stores and that they may do so by interacting with a specific cell-surface ion receptor. This putative ion receptor may be important in allowing hepatocytes to contribute to regulation of plasma heavy-metal ions and may mediate responses to Zn2+ released into the portal circulation with insulin.  (+info)

The nickel resistance determinant ncrABCY was identified in Leptospirillum ferriphilum UBK03. Within this operon, ncrA and ncrC encode two membrane proteins that form an efflux system, and ncrB encodes NcrB, which belongs to an uncharacterized family (DUF156) of proteins. How this determinant is regulated remains unknown. Our data indicate that expression of the nickel resistance determinant is induced by nickel. The promoter of ncrA, designated pncrA, was cloned into the promoter probe vector pPR9TT, and co-transformed with either a wild-type or mutant nickel resistance determinant. The results revealed that ncrB encoded a transcriptional regulator that could regulate the expression of ncrA, ncrB, and ncrC. A GC-rich inverted repeat sequence was identified in the promoter pncrA. Electrophoretic mobility shift assays (EMSAs) and footprinting assays showed that purified NcrB could specifically bind to the inverted repeat sequence of pncrA in vitro; this was confirmed by bacterial one-hybrid analysis.
Occupational exposure to nickel occurs mainly through inhalation of dust particles and fumes or through skin contact. Acute exposure to high levels of nickel by inhalation can cause severe damage to the lungs and kidneys. Prolonged exposure to nickel refinery dust among nickel refinery workers leads to an increased risk of lung and nasal cancers. Nickel refinery dust is a mixture including many nickel compounds as well as other inorganic substances. Nickel subsulfide is the major constituent in refinery dust from the smelting of sulfidic ores. Chronic dermal exposure to nickel can lead to dermatitis with complaints such as dry, irritated or itchy skin. Chronic inhalation exposure to metallic nickel and water-insoluble nickel compounds can result in respiratory effects, including decreased lung function and bronchitis. Chronic exposure to soluble nickel compounds by inhalation can also result in asthma cases.. Latency period between exposure and nickel related cancer varies from 13 to 24 ...
TY - JOUR. T1 - Nickel ferrule applicators. T2 - A source of nickel exposure in children. AU - Jacob, Sharon E.. AU - Silverberg, Jonathan I.. AU - Rizk, Christopher. AU - Silverberg, Nanette. PY - 2015/3/1. Y1 - 2015/3/1. N2 - Eye makeup has been investigated for nickel content and found to have no direct association with nickel allergy and cosmetic dermatitis. However, the tools used (e.g., eyelash curlers, hairdressing scissors, hair curlers, and eye shadow and makeup applicators) may be sources. Nickel is ubiquitous and a wide range of sources have been reported, and makeup applicators (ferrules) now join the list.. AB - Eye makeup has been investigated for nickel content and found to have no direct association with nickel allergy and cosmetic dermatitis. However, the tools used (e.g., eyelash curlers, hairdressing scissors, hair curlers, and eye shadow and makeup applicators) may be sources. Nickel is ubiquitous and a wide range of sources have been reported, and makeup applicators ...
Objective: Metal alloys used in dentistry and in other biomedical fields may release nickel ions in the oral environment. The release of nickel might influence the normal biological and physiological processes, including tissue wound healing, cell growth and proliferation. The aim of this study was to evaluate in vitro the effects of nickel ions on cell cycle, viability and proliferation. Materials and Methods: Human osteosarcoma cells (U2OS) and human keratinocytes (HaCat) were exposed to different nickel chloride (NiCl2) concentrations (0 - 5mM) for various periods exposure. The viability of cultured cells was estimated by flow cytometry using Annexin V-FITC and Propidium Iodide (PI). Cell proliferation was evaluated by using carboxyfluorescein diacetate succinimidyl ester (CFDA-SE) and flow cytometry. Finally, the effects of NiCl2 on cell cycle were assessed and quantified by flow cytometry. Statistical analysis was performed by means of ANOVA followed by Tukeys test. Results: NiCl2 induced ...
To assess nickel-induced toxicity in plants, Zea mays seeds were germinated and cultured on nutrient solution with nickel concentrations of 50-200 μM for a period of two weeks. Observed biological makers included biomass, soluble and total protein contents, and the activities of guaiacol peroxidase (GPX), ascorbate peroxidase (APX), catalase (CAT), and phenylalanine ammonia-lyase (PAL) in the leaves and roots of maize. The fresh and dry weight of leaves and roots increased in 50 μM nickel but decreased in 100 and 200 μM. Soluble and total protein contents were significantly increased by increasing nickel concentrations up to 200 μM nickel in both roots and leaves of maize. Significant increases of ascorbate peroxidase (the highest activity at 200 μM nickel), catalase (the highest activity at 50 μM nickel), and phenylalanine ammonia-lyase (the highest activity at 100 μM nickel) were observed in the leaves and roots of Zea mays seedlings at all tested nickel concentrations. Guiacol peroxidase
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The spatial distribution of mineral deposits is a critical component of predictive estimation of undiscovered mineral resources. Nickel sulfide deposits in the Kalgoorlie terrane of Western Australia, the worlds premier province for komatiite-hosted nickel sulfide deposits, are generally perceived to be clustered. We apply distance-based spatial analysis methods (nearest neighbor and K function) to determine the spatial distribution pattern of nickel sulfide deposits in the Kalgoorlie terrane. Results of these spatial analyses indicate the komatiite bodies that contain the nickel sulfide deposits in the terrane are clustered. In contrast, nickel sulfide deposits within komatiite bodies are either randomly distributed or dispersed and not clustered. Therefore, the apparent clustering of nickel sulfide deposits within the Kalgoorlie terrane may be a mere expression of the underlying clustering of the host komatiite bodies. These findings have two main implications: (1) nickel exploration models ...
A nickel allergy is a reaction that develops after initial and/or brief, or repeated and/or prolonged, exposure to nickel or nickel-containing items, depending on the individuals susceptibility. Degree of reaction also varies by person. Specifically, nickel allergy is a contact allergy, which is an allergic skin reaction in response to being exposed to a contact allergen or irritant, such as nickel. A nickel allergy can occur at any age, and typically manifests a few days after first contact as eczema (allergic contact dermatitis), which appears as an itchy, dry/crusty, and red/pigmented skin rash with watery blisters. The affected area is usually restricted to the site of contact, although it could also be found on other parts of the body. Once a nickel allergy has developed, it is usually a chronic condition, often being life-long.. One can be tested for nickel allergy by going to a dermatologist for patch testing. Patch tests are safe skin test procedures, which involve the direct ...
Nickel is an occupational and environmental toxicant associated with a number of diseases in humans including pulmonary fibrosis, bronchitis and lung and nasal cancers. Our earlier studies showed that the nickel-exposure-induced genome-wide transcriptional changes, which persist even after the termination of exposure may underlie nickel pathogenesis. However, the mechanisms that drive nickel-induced persistent changes to the transcriptome remain elusive. To elucidate the mechanisms that underlie nickel-induced long-term transcriptional changes, in this study, we examined the transcriptome and the epigenome of human lung epithelial cells during nickel exposure and after the termination of exposure. We identified two categories of persistently differentially expressed genes: (i) the genes that were differentially expressed during nickel exposure; and (ii) the genes that were differentially expressed only after the termination of exposure. Interestingly, | 85% of the nickel-induced gene expression changes
Roskill says demand for battery-grade nickel is expected to boom over the coming decade as the result of the use of nickel in lithium-ion cathode materials used in electric vehicles (EVs). Demand for nickel in this application is expected to outpace overall trends in automotive electrification, owing to a shift to higher-nickel chemistries and increased range and capacity, offset only partially by the improved performance of batteries. Nickel use in batteries currently accounts for no more than 3-4% of total demand. But this is set to change.. In its baseline scenario, which Roskill considers to be based on conservative assumptions, demand may increase from below 90,000 t in 2016 to as much as 415,000 t by 2027.. Nickel sulphate has, to date, been produced only by a select number of producers. Roskill estimates output of nickel sulphate to have been roughly 86,000 t Ni in 2016, with production having increased rapidly since 2010 in China and Japan. But major players have now started to get ...
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The Australian Drinking Water Guidelines mandates a safety threshold of 0.02 mg Ni/L water, a value that is based on 70 kg (154 lbs) average body weight, 2 L water consumed daily and 1000 as the safety factor to account for uncertainty of extending animal study results to humans. The residents of New South Wales are assumed to have a similar diet to the rest of Australias population so that the results of the study can be extended to the whole country. The study also assumed that the entire population of New South Wales was nickel-sensitive. This would lead to a lower Lowest Observed Adverse Effect Level (LOAEL) and set stricter limit for tolerable mean nickel concentrations. The result of the study showed that the mean nickel concentration, 0.03 mg/L with a 95% confidence interval of 0.02-0.04 mg/L, is only approximately 7% of the LOAEL. Thus the mean nickel concentration in drinking water in New South Wales appears to have no health risks ...
A series of nickel complexes with nuclearity ranging from Ni3 to Ni6 have been obtained by treatment of a variety of nickel salts with the 2-pyridylcyanoxime ligand. The reported compounds have as a common structural feature the triangular arrangement of nickel cations bridged by a central μ3-oxo/alkoxo ligand. These compounds are simultaneously the first nickel derivatives of the 2-pyridylcyanoxime ligand and the first examples of isolated, μ3-O triangular pyridyloximate nickel complexes. Magnetic measurements reveal antiferromagnetic interactions promoted by the μ3-O and oximato superexchange pathways and comparison of the experimental structural and magnetic data with DFT calculations give an in-depth explanation of the factors that determine the magnetic interaction in this kind of system. ...
Market Study Report, LLC, adds a comprehensive research of the Sodium Nickel Chloride Battery market that mentions valuable insights pertaining to market share, profitability graph, market size, SWOT analysis, and regional proliferation of this industry
Undoped and Nickel chloride doped sodium fluoro antimonite (SFA) crystals were grown by slow evaporation technique at room temperature. The solu...
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TY - JOUR. T1 - Use of XAS for the elucidation of metal structure and function. T2 - Applications to nickel biochemistry, molecular toxicology, and carcinogenesis. AU - Carrington, Paul E.. AU - Al-Mjeni, Faizah. AU - Zoroddu, Maria A.. AU - Costa, Max. AU - Maroney, Michael J.. PY - 2002/10. Y1 - 2002/10. N2 - Nickel has been shown to be an essential trace element involved in the metabolism of several species of bacteria, archea, and plants. In these organisms, nickel is involved in enzymes that catalyze both non-redox (e.g., urease, glyoxalase I) and redox (e.g., hydrogenase, carbon monoxide dehydrogenase, superoxide dismutase) reactions, and proteins involved in the transprt, strage, metallocenter assembly, and regulation of nickel concentration have evolved. Studies of structure/function relationship in nickel biochemistry reveal that cysteine ligands are used to stabilize the Ni(III/II) redox couple. Certain nickel compounds have also been shown to be potent human carcinogens. A likely ...
Introduction. There is a concern about release of nickel and titanium after implantation of nitinol-containing devices. Objective. To evaluate serum nickel and titanium release after implantation of Amplatzer occluder. Materials and methods. In 38 pediatric patients with no history of nickel sensitivity, blood samples were drawn 24 hours before and 24 hours, 1, 3, 6, and 12 months after implantation. Nickel and titanium concentrations were measured by atomic absorption spectrophotometry. Results. The median serum nickel level which was 0.44ng/mL before the implantation increased to 1.01ng/mL 24 hours after implantation and 1.72ng/mL one month after implantation. The maximum level was detected 3 months after implantation, with a median level of 1.96ng/mL. During follow-up, the nickel levels decreased to those measured before implantation. Serum nickel levels at the 24th hour, 1st month, and 3rd month following implantation were found to have increased significantly. No patients showed a ...
Before the nickel content in steel is increased to 3.5%, its benefit to the CVN toughness is obvious while its effect on strength increase is not significant. After the nickel content reaches 3.5%, the nickel effect on strength and the CVN toughness just goes to the opposite. Therefore, Zone I with a nickel content from 0-3.5% can be classified as CVN Sensitive zone; while Zone II as CVN Insensitive Zone. Note that the nickel effect at -60oC is even more pronounced than that at the room temperature.. Challenges of FCAW wires. Based on above, increasing the nickel content up to 9% at -60oC, can reach a 120ksi tensile strength while maintaining an excellent CVN toughness (110 ft-lbs), which is desirable for the Arctic fabrication. However, it brings about a difficult to find a FCAW wire to match the steel properties. Some advanced FCAW wires were tested on AWS-type plate welding and results are shown in the following:. 1. For argon-rich gas-shielding FCAW welding The best rutile-based FCAW ...
The EU Risk Assessments for Nickel and Nickel Compounds were developed over the period from 2002 to 2008. The Danish Environmental Protection Agency (DEPA) acted as the Rapporteur in this process, in close collaboration with the international nickel industry. EU RIsk Assessment Reports (RARs) for the environment for nickel substances (metallic nickel, nickel carbonate, nickel chloride, nickel nitrate, and nickel sulfate) were submitted in the spring of 2008 after torough review by the Technical Committee on New and Existing Substances (TCNES), which was comprised of technical representatives from the EU Member States. A final peer review was provided by the Scientific Committee on Health and Environmental Risks (SCHER). The European Commissions Institute for Health and Consumer Protection published the final Risk Assessment Reports for nickel and nickel compounds in November 2009.. After the RARs received approval within Europe, the data sets were discussed at the international level within the ...
Nickel occurs in nature principally as oxides, sulphides and silicates. Ores of nickel are mined in over 23 countries and are smelted or refined in 25 countries. Most important are Russia, Canada, New Caledonia, Australia, Indonesia, Cuba, China, South Africa, Dominican Republic, Botswana, Columbia, Greece and Brazil. Important nickel refineries also operate in Norway, Finland, France, Japan and the United Kingdom. Primary nickel is produced and used in the form of ferro-nickel, nickel oxides and other chemicals, and as more or less pure nickel metal. Nickel is also readily recycled from many of its applications, and large tonnages of secondary or scrap nickel are used to supplement newly mined metal. Only about 1.4 million tonnes of new or primary nickel are produced and used annually in the world, compared with over 10 million tonnes of copper and nearly 800 million tonnes of steel. ...
Nickel toxicity may be associated with fatigue, respiratory illnesses, heart conditions, skin rashes, psoriasis, fatigue and headaches. Sources of exposure: nickel-plated jewellery, some metal cooking vessels, cigarette smoke, hyrdrogenated fats, fertilizers, some refined foods. Intravenous EDTA chelation removes heavy metals from … Continue reading →. ...
The body needs some nickel in order to function properly, but too much nickel results in toxicity. Nickel is absorbed through different means - skin absorption, inhalation, and ingestion. Sources of nickel include foods, jewelry, prostheses, cigarette smoke, etc. Excess nickel in the body may cause dermatitis (
Human epidemiological and animal studies have associated inhalation of nickel dusts with increased incidence of pulmonary fibrosis. The current studies examined the hypothesis that nickel promotes pulmonary fibrosis by inhibiting fibrinolysis and increasing inflammatory cytokine production. In BEAS-2B human bronchial epithelial cells, we have shown that non-cytotoxic levels of particulate nickel subsulfide inhibit fibrinolysis by trancriptionally inducing expression of PAI-1, an inhibitor of urokinase-type plasminogen activator. Pre-treatment of the cells with antioxidants, NADPH oxidase, or mitochondrial electron transport chain inhibitors did not affect nickel induced HIF-1_ protein or PAI-1 mRNA levels. Nickel enhanced expression of a transiently transfected AP-1-luciferase reporter construct, and expression of the dominant-negative inhibitor of AP-1, TAM67, prevented induction of PAI-1 mRNA levels by nickel. Pre-treating cells with antisense oligonucleotides to HIF-1_ also abolished ...
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Interest in the biochemistry of nickel has been stimulated by recent discoveries of its essentiality to various microorganisms, plants, and animals and of the existence of several nickel metalloenzymes in plants and microorganisms. Signs of nickel deprivation have been described for six animal species-chick, cow, goat, minipig, rat, and sheep. Included among the more consistent signs of deficiency in mammals are depressed growth, unthriftiness characterized by rough hair coat, and an altered iron metabolism leading to depressed hematopoiesis. The predominant sign of nickel deficiency for microorganisms is depressed growth, and for plants is depressed nitrogen utilization. In plants and microorganisms, nickel is known to function in several metalloenzymes including urease, several hydrogenases, and carbon monoxide dehydrogenase. In higher animals, the evidence showing that nickel is essential has not defined its metabolic function. The finding of nickel metalloenzymes in lower forms of life ...
from impure acidic solutions to recover nickel as nickel sulfate salt with three different cooling rates. The compositions of the solutions included impurities of sodium, magnesium, chloride and sulfuric acid in order to mimic industrial electrowinning process solutions. The results show that nickel sulfate hexahydrate (NiSO4·6H2O) mainly crystallized and its solubility and purity decreased with the increase in mass ratio of chloride to sulfate. Cooling rates did not have significant influence of crystal purity, however, it did affect the filter cake moisture. Lower moisture can be obtained with lower cooling rate ...
Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:Table Normal; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:Times New Roman; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} The decomposition of hydrogen peroxide was studied in the presence of monodispersed nickel oxide powders, obtained from the nickel basic carbonate at the calcinations rates of 5, 10, 15, and 20 oC/min and on commercial nickel oxide powders. Effect of pH on the decomposition reaction was used to evaluate the mechanism of the decomposition reaction. It was observed that only the surface negative sites were responsible for the observed decomposition of hydrogen peroxide. Rates constants were calculated
1,2,4-Triazole-Based N-Heterocyclic Carbene Nickel Complexes - Synthesis and Catalytic Application: Four nickel complexes bearing 1,2,4-triazole-based N-heteroc
TY - JOUR. T1 - Effect of barium and nickel on the growth of Anacystis nidulans. AU - Lee, Lee. AU - Lustigman, B.. PY - 1996/6/1. Y1 - 1996/6/1. UR - http://www.scopus.com/inward/record.url?scp=0029659917&partnerID=8YFLogxK. U2 - 10.1007/s001289900142. DO - 10.1007/s001289900142. M3 - Article. C2 - 8661890. AN - SCOPUS:0029659917. VL - 56. SP - 985. EP - 992. JO - Bulletin of Environmental Contamination and Toxicology. JF - Bulletin of Environmental Contamination and Toxicology. SN - 0007-4861. IS - 6. ER - ...
Microporous materials have a wide range of important applications in separation, gas adsorption, ion-exchange and catalysis. Open-framework germanates are a family of microporous compounds and are of particular interest. This thesis focuses on the synthesis and characterization of new open-framework germanates as well as introducing the transition-metal nickel into germanate structures.. One new microporous germanosilicate, SU-78 and four new open-framework germanates, SU-74, SU-75, SU-69 and SU-76 have been obtained by using organic molecules as structure directing agents (SDAs). The incorporation of nickel and organic SDAs in the synthesis resulted in five novel nickel germanates, SUT-1, SUT-2, SUT-3, SUT-4 and SUT-5, in which nickel complexes act either as framework-forming components or as structure directing agents.. The general synthesis route is described and the variables that affect the synthesis products are summarized. Different techniques applied on the characterization of chemical ...
Posted on 09/16/2004 7:25:57 AM PDT by evets. WASHINGTON - Theres change in store for Thomas Jefferson on the nickel that is. Hes getting his first makeover since his likeness was put on the coin in 1938. The makers of the nations coins, the U.S. Mint, was unveiling Thursday designs for two new nickels. Its the latest in a series of design changes for the coins to honor two important events in U.S. history: the Louisiana Purchase and the Lewis and Clark Expedition. The revamped nickels will be issued in 2005. A new likeness of Jefferson, the third president, will be on the front of the two revised coins, while the tails side of will also get a new look. The new nickels are part of the Mints Westward Journey Nickel series, which began earlier this year. In March, the so-called Peace Medal nickel went into circulation, followed by the Keelboat five-cent piece in August. Those were the first two nickels issued under the new series. Those nickels, however, kept the current image of Jefferson ...
Given its many uses and applications, the potential for exposure to nickel, its compounds, and alloys is varied and wide ranging. With respect to occupational exposures, the main routes of toxicological relevance are inhalation and, to a lesser extent, skin contact.. Workers engaged in nickel production - which may include mining, milling, concentrating, smelting, converting, hydrometallurgical processes, refining, and other operations - are exposed to a variety of nickel minerals and compounds depending upon the type of ore mined and the processes used to produce intermediate and primary nickel products. Generally, exposures in the producing industry are to moderately soluble and insoluble forms of nickel.. In the producing industry, soluble nickel compounds are more likely to be found in hydrometallurgical operations. Exposures in nickel-using industry sectors vary according to the products produced and include both soluble and relatively insoluble forms of nickel.. In the past, airborne ...
Efficient ammonia gas sensor devices were fabricated based on nickel oxide (NiO) nanostructures films. Two chemical synthesis approaches were used: chemical spray pyrolysis (CSP) and chemical bath deposition (CBD), aiming at obtaining highly developed surface area and high chemical reactivity of NiO. Crystal structure, morphology, and composition of NiO films and nanostructures were investigated by scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. CSP method results in the synthesis of NiO films with pure cubic crystalline structure of preferred orientation along (111) direction. The type of the precursors used (nickel acetate, nickel chloride and nickel nitrate) affects the morphology and crystallites average size of the deposited films. CBD method consisted of two stages: (i) deposition of nickel hydroxide phase and (ii) thermal annealing of nickel hydroxide at 450 A degrees C in air for 4 h. Resulted structures were nanoflakes, vertically arranged in a ...
Nickel allergy, often caused by nickel in jewelry, is a form of contact dermatitis. Things like coins and zippers may also provoke nickel allergy.
Nickel allergy, often caused by nickel in jewelry, is a form of contact dermatitis. Things like coins and zippers may also provoke nickel allergy.
37 1 st order in nickel boride and 0 th order in nitrobenzene. Acosta et al described that the metal dopants act as ions which improve the polarization of the group that needs to be reduced (which in this case was the nitro group in nitrobenzene) 9 In 2005, Liaw et al. 37 used polymer stabilized nickel boride as a catalyst. Hung et al 10 used Ru based catalysts and investigated the kinetics of hydrogen evolution from sodium borohydride. In view of these reports, there are several questions that need to be addressed: 1. Are nickel borides true catalysts? This does not seem to be the case. In fact, alkaline solutions of sodium borohydride will not release hydrogen without reacting with the ion salts in solution, reducing the metals, and forming nickel borides. Nickel borides as catalysts are not usually analyzed after the reaction to determine if the molar ratio of the elements is unchanged. Li and coworkers 39 also showed that the catalyst, upon thermal annealing, crystallizes out metallic nickel ...
Ni-Zn ferrite (NixZn1-xFe2O4, for x=0, 0.1, 0.3, 0.5, 0.7) nanoparticles have been successfully synthesized using chemical coprecipitation method for two different compos..
Electroless nickel has excellent corrosion resistance and high hardness. Therefore, in electroless plating, nickel deposits are uniform in thickness. This is a desirable feature when plating objects with an irregular shape because excess build-up at edges or corners will not occur.. There are many advantages to using electroless nickel plating. First of all, it provides superior barrier corrosion protection because deposits are less porous. The plated surface is ideal for working with oils.. Electrolytic nickel plating is helpful in protecting components. Electroless plating will considerably enhance the life of components that are exposed to extreme conditions. Nickel that is electroless also has inherent lubricity, unlike nickel that is electrolytic.. ...
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What is nickel allergic contact dermatitis (NACD)?. Nickel allergic contact dermatitis is an immune reaction (type 4 delayed reaction) to solubilized nickel ions that have entered the skin. Individuals with nickel skin sensitisation experience a skin reaction, usually inflammation and itching, when they come in direct and prolonged contact with items releasing a sufficient amount of solubilized nickel.. How does nickel allergic contact dermatitis (NACD) start?. Individuals can become sensitised to nickel through direct and prolonged contact to items such as some types of jewelry, piercings or nickel-coated clothes fastenings (like buckles, zippers and clasps), if these release an amount of solubilised nickel sufficient to cause nickel sensitisation. Once an individual has become nickel-sensitised, direct and prolonged exposure to items releasing significant nickel (but can be less than the amount that caused the initial sensitisation reaction) can cause a skin allergic reaction known as nickel ...
Ovaries of Oreochromis mossambicus exposed to sublethal concentrations of nickel sulphate (0.5 mg/1 and 1.0 mg/1) were histologically analyzed. Changes following exposure to 0.5 mg/1 nickel sulphate include irregularities in the shape of egg follicles, subcellular oocyte damage, lifting off of the theca layer and proliferation of connective tissues. In the ovaries exposed to 1.0 mg/1 nickel sulphate, degenerative changes are worse. Invasion by connective tissues is extensive, oocytes have bizarre shapes, yolk granules are scattered in the interfollicular spaces, abnormal growths are evident and previttelogenic oocytes abound.. Nickel is a toxicant in Oreochromis mossambicus ovaries ...
This is an interesting paper, thanks for drawing it to my attention - especially considering the use of Nickel and Diamond.. Firstly, it is based on the immersion of the Diamonds in 12-52μm nickel powder, Nickel of course is not present in the powder form in LION. Having the nickel in this scale will allow sintering processes at 600ºC and lower perhaps - so the Nickel becomes mobile and catalytically active.. Secondly, whilst there are nano particles seen in the cavities, there is no suggestion that they are composed of anything other than Nickel, Carbon and oxygen.. We did not detect Boron in our diamonds, perhaps limitation of the analysis - however, the study does state that its diamonds contain Boron.. Perhaps the Deuterium Oxide changes the catalytic dynamics?. Further, there does not appear to be the abundance of spheres forming on the surface of the diamond.. It could be that Nickel catalytically splits D2O releasing some O that forms some CO with the diamonds C and this in turn ...
Nickel is /maybe added to stabilize this structure and to increase integrity to high temperature extremes and corrosion resistance. Other metals that are added include molybdenum and titanium.. Stainless Steel Grades: Food grade stainless steel are in the 304 Series. They are designated as either 18-8 or 18-10. The 18 refers to the percentage of chromium in the stainless steel, and the 8 or 10 the percentage of nickel. Both are high quality stainless steels. The chromium and nickel are what make stainless steel corrosion-resistant, increased strength, durability. Nickel gives the temperature resistance.. Stainless steel grades with very little nickel do exist (e.g., grade 430) and cost less, but they are considered lower quality because of their decreased corrosion- and temperature-resistance. Similarly, there are other grades with low nickel content (e.g., grades 201 & 202), in which the nickel is replaced by more manganese. Manganese is significantly less expensive than nickel, but the ...
TY - JOUR. T1 - A square-planar tetracoordinate oxygen-containing Ti4O 17 cluster stabilized by two 1,1′-ferrocenedicarboxylato ligands. AU - Liu, Zhichang. AU - Lei, Juying. AU - Frasconi, Marco. AU - Li, Xiaohu. AU - Cao, Dennis. AU - Zhu, Zhixue. AU - Schneebeli, Severin T.. AU - Schatz, George C.. AU - Stoddart, J. Fraser. PY - 2014/8/25. Y1 - 2014/8/25. N2 - By introducing steric constraints into molecular compounds, it is possible to achieve atypical coordination geometries for the elements. Herein, we demonstrate that a titanium-oxo cluster [{Ti4(μ4-O) (μ2-O)2}(OPri)6(fdc) 2], which possesses a unique edge-sharing Ti4O 17 octahedron tetramer core, is stabilized by the constraints produced by two orthogonal 1,1′-ferrocenedicarboxylato (fdc) ligands. As a result, a square-planar tetracoordinate oxygen (ptO) can be generated. The bonding pattern of this unusual anti-vantHoff/LeBel oxygen, which has been probed by theoretical calculations, can be described by two horizontally σ-bonded ...
Three-month nickel on the London Metal Exchange rose 1.6% to $14,590 a tonne at 0704 GMT.. Nickel ore output from the Philippines, the worlds biggest exporter of the material, dropped 28% year-on-year to 102,310 tonnes by metal content in January-June, data from the Mines and Geosciences Bureau showed.. A series of upbeat economic data released this month from top consumer China also supported prices, with rising auto sales and factory activity suggesting the economy was recovering from novel coronavirus-driven lows.. Seems that nickel price is still stimulated by optimism from good (Chinese) industry numbers, said a nickel trader, adding the Philippines current rainy season could impact supply.. Other base metals also advanced, as the central bank in China, the worlds top metals consumer, issued loans worth 700 billion yuan ($100.90 billion) to financial institutions. ...
Earth-abundant and low-cost catalysts with excellent electrocatalytic hydrogen evolution reaction (HER) activity in alkaline solution play an important role in the sustainable production of hydrogen energy. In this work, a catalyst of Ni(P, O)x·MoOx nanowire array on nickel foam has been prepared via a facile route for efficient alkaline HER. Benefiting from the collaborative advantages of Ni(P, O)x and amorphous MoOx, as well as three-dimensional porous conductive nickel scaffold, the hybrid electrocatalyst shows high catalytic activity in 1 M KOH aqueous solution, including a small overpotential of 59 mV at 10 mA cm−2, a low Tafel slope of 54 mV dec-1, and excellent cycling stability.
The present invention relates to a nickel oxide-stabilized zirconia composite in which nickel oxide is dispersed uniformly, a process for readily producing the composite oxide, and an anode for a solid oxide fuel cell having excellent output characteristics. More specifically, the present invention provides a nickel oxide-stabilized zirconia composite that is produced by sintering a mixture of nickel hydroxide and/or nickel carbonate and a hydroxide of stabilized zirconium.
Hey There. Nickel is a silvery-white metal that can be found in nature. It is usually mixed with other metals to produce alloys. For example, nickel-iron, which is used to manufacture STAINLESS STEEL, is the most common nickel alloy. Other nickel alloys are used to make coins, costume jewelry (i.e., earrings, watchbands, rings, necklaces, necklace clasps, bracelets), bra or girdle fasteners, zippers, snaps, buttons, suspender clips, hair-pins, studs, eyeglass frames, pens, handles, utensils, paper clips, keys, and tools. Nickel is tightly bound up is stainless steel, especially surgical stainless steel.. A nickel allergy is a reaction that develops after initial and/or brief, or repeated and/or prolonged, exposure to nickel or nickel-containing items, depending on the individuals susceptibility. Degree of reaction also varies by person. Specifically, nickel allergy is a contact allergy, which is an allergic skin reaction in response to being exposed to a contact allergen or irritant, such as ...
Transfer of a normal Chinese hamster X chromosome (carried in a mouse A9 donor cell line) to a nickel-transformed Chinese hamster cell line with an Xq chromosome deletion resulted in senescense of these previously immortal cells. At early passages of the A9/CX donor cells, the hamster X chromosome was highly active, inducing senescence in 100% of the colonies obtained after its transfer into the nickel-transformed cells. However, senescence was reduced to 50% when Chinese hamster X chromosomes were transferred from later passage A9 cells. Full senescing activity of the intact hamster X chromosome was restored by treatment of the donor mouse cells with 5-azacytidine, which induced demethylation of DNA. These results suggest that a senescence gene or genes, which may be located on the Chinese hamster X chromosome, can be regulated by DNA methylation, and that escape from senescence and possibly loss of tumor suppressor gene activity can occur by epigenetic mechanisms. ...
NiO has a variety of specialized applications and generally applications distinguish between chemical grade, which is relatively pure material for specialty applications, and metallurgical grade, which is mainly used for the production of alloys. It is used in the ceramic industry to make frits, ferrites, and porcelain glazes. The sintered oxide is used to produce nickel steel alloys. Charles Édouard Guillaume won the 1920 Nobel Prize in Physics for his work on nickel steel alloys which he called invar and elinvar. NiO was also a component in the nickel-iron battery, also known as the Edison Battery, and is a component in fuel cells. It is the precursor to many nickel salts, for use as specialty chemicals and catalysts. More recently, NiO was used to make the NiCd rechargeable batteries found in many electronic devices until the development of the environmentally superior NiMH battery.[5] NiO an anodic electrochromic material, have been widely studied as counter electrodes with tungsten ...
Molecular mechanisms of neoplastic cell transformation by insoluble Nickel (Ni) compounds have not yet been elucidated, and are the subject of this work.; Epithelial cell transformant factor-2 (Ect-2) gene is amplified and differentially expressed between non-transformed and nickel or 3-methylcholanthrene (MCA)-transformed 10T1/2 mouse fibroblastic cell lines leading to higher steady-state levels of Ect-2 mRNA and protein in all transformed cells. Ect-2 proto-oncogene catalyzes GDP exchange on Rho proteins, and regulates cytokinesis. We hypothesized there would be higher steady-state levels of microtubules in transformed cell lines. The hypothesis was tested by staining cell lines with fluorescent alpha or beta tubulin antibody and analyzed using confocal microscopy and the volocity image analysis program. Compared to the 10T1/2 cells, the average intensity of all cells stained silmutaneuosly for alpha and beta tubulin was 1.5 - 2.1 and 1.1 - 2.5 folds higher.; We identified the unknown ...
Buy top selling products like Moen® Danika Towel Ring in Brushed Nickel and Moen® Ellsworth Towel Ring in Brushed Nickel. Our Studio41 home design showrooms are open to everyone - homeowners, contractors, designers, and architects. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Brushed Nickel finish provides a lightly brushed warm-grey metallic look that complements any decorating style. Picture Information. Seller assumes all responsibility for this listing. Make an offer! Chrome. Moen â ¦ The Moen Banbury Towel Ring in Spot Resist Brushed Nickel offers a classic design and an appealing, lightly brushed finish to accent your bath decor. Shop for moen nickel towel at Bed Bath & Beyond. As the #1 faucet brand in North America, Moen offers a diverse selection of thoughtfully designed kitchen and bath faucets, showerheads, accessories, bath safety products, garbage disposals and kitchen sinks for residential and commercial ...
ABSTRACT Electrochemical studies of the oxidation of dodecasubstitued and highly nonplanar nickel porphyrins in a non-coordinating solvent have previously revealed the first NiIII porphyrin dication. Herein, we investigate if these nonplanar porphyrins can also be used to detect the so far unobserved CuIII porphyrin dication. Electrochemical studies of the oxidation of (DPP)M and (OETPP)M show three processes, the first two of which are macrocycle centered to give the porphyrin dication followed by a CuII/III processes at more positive potential. Support for the assignment of the CuII/III process comes from the linear relationships observed between E1/2 and the third ionization potential of the central metal ions for Fe, Co, Ni and Cu complexes of (DPP)M and (OETPP)M. In addition, the oxidation behaviour of additional nonplanar nickel porphyrins is investigated in a non-coordinating solvent, with nickel meso-tetraalkylporphyrins also being found to form NiIII porphyrin dications. Finally, ...
[Nickel Oxide Green][168405] 1313-99-1 | NiO | Buy & Get Information for your research needs by CDH, India. Find MSDS or SDS, COA, Data Sheet and other information of high quality specialty chemicals manufacturer, supplier, exporter.
Electrochromic films of tungsten oxide and nickel oxide were made by reactive dc magnetron sputtering and were characterized by X-ray diffraction, Rutherford backscattering spectrometry, scanning electron microscopy, and atomic force microscopy. The optical properties were investigated in detail by spectroscopic ellipsometry and spectrophotometry, using a multiple-sample approach. The W-oxide film was modeled as a homogeneous isotropic layer, whereas the Ni-oxide film was modeled as an anisotropic layer with the optical axis perpendicular to the surface. Parametric models of the two layers were then used to derive complex refractive index in the 300-1700 nm range, film thickness, and surface roughness. A band gap of 3.15 eV was found for the W-oxide film, using a Tauc-Lorentz parameterization. For the Ni-oxide film, taken to have direct optical transitions, band gaps along the optical axis, perpendicular to it, and in an isotropic intermediate layer at the bottom of the film were found to be ...
Thin films of lithium nickel oxide were deposited by sputtering and pulsed laser deposition (PLD) from targets of pressed LiNiO2 powder. The composition and structure of these films were analyzed using a variety of techniques, such as nuclear-reaction analysis, Rutherford backscattering spectrometry (RBS), X-ray diffraction, infrared spectroscopy, and atomic-force microscopy. Crystalline structure, surface morphology and chemical composition of LixNi1−xO thin films depend strongly on deposition oxygen pressure, temperature as well as substrate-target distance. The films produced at temperatures lower than 600°C spontaneously absorb CO2 and H2O at their surface once they are exposed to the air. The films deposited at 600°C proved to be stable in air over a long period. Even at room temperature the PLD films are denser and more stable than sputtered films. RBS determined the composition of the best films to be Li0.5Ni0.5O deposited by PLD at 60 mTorr O2 pressure. Electrochemical tests show ...
This market research report examines the foreign trade of Kazakhstan and its perspectives on the global market for nickel oxides and hydroxides.
This market research report examines the foreign trade of Oman and its perspectives on the global market for nickel oxides and hydroxides. The
Human Papillomavirus: Clinical and Scientific. eds. Nickel and the Skin.Immunology, Epidemiology, and Metallurgy. Nickel and the Skin: Absorption, Immunology,.Standardized Tape Stripping: A Practical and Reproducible Protocol to Reduce Uniformly the Stratum Corneum.Search the history of over 469 billion pages on the Internet. search Search the Wayback Machine.. Nickel-containing orthodontic appliances are implicated in allergic reactions,. clinical signs and treatment alternatives.Sensitized individuals may show a contact allergy to nickel, affecting their skin,. the American Academy of Dermatology adopted.Exogenous Dermatoses presents a collection of comprehensive essays written by experts scientifically active.Clinical wear rates have been seen to increase in patients with hip replacements,.Only small amounts of iron are lost daily due to mucosal and skin.Clinical concept of atopic dermatitis (AD) evolves from the better understanding of all the immunologic aberrations expressed by the ...
Ag-TiO2, Cu-TiO2 and Ni-TiO2 were prepared by sonication. The interactions of Ti-gel with silver, copper and nickel ions under ultrasound irradiation are very different, although these ions can be dispersed very well in titania. The results of EDXA and XRD analysis indicate that Ti-gel does not react with AgCl and crystallizes unaffectedly to form rutile. M(OH)2 (M = Cu and Ni), on the other hand, favors polycondensation with Ti-gel and affects the crystallization of Ti-gel. CuO favors stabilization of the anatase phase. Ni2+ ions tend to incorporate more easily into titania than Cu2+ ions do when the samples are calcined. TEM, and BET were also used to characterize the samples.
Manufacturer of Nickel Catalyst For Fatty Acid Hydrogenation, Nickel Catalyst For Triglyceride Hydrogenation & Nickel Catalyst For Edible Oil Hydrogenation offered by Suhans Chemicals Private Limited from Jalgaon, Maharashtra, India
Electrode Materials Ultrafine Nickel Powder with 20nm 40nm 70nm 100nm(id:10008992). View product details of Electrode Materials Ultrafine Nickel Powder with 20nm 40nm 70nm 100nm from SAT Nano Technology Material CO. Ltd. manufacturer in EC21
A lot of companies were preparing for this ore ban to come in 2022, so they were setting up smelting facilities in Indonesia. But this has happened way too early and could potentially lead to some projects stalling as they cannot sell the ore for near-term financing, Shah said.. The country is the worlds largest producer of nickel ore, supplying around 26 per cent of global needs last year, according to data from the International Nickel Study Group. The metal is used primarily for steel production, but is also important for batteries. Shah said that Indonesia is trying to set itself up to prepare for nickels transformation as electric vehicles take off.. Read more: BHP bets on batteries as it decides to keep its Australian nickel mine. ...
Nickel allergy is one of the most common causes of allergic contact dermatitis, but can also manifest in a more severe, systemic form. This article reviews current therapeutic options.
International Journal of Chemical Engineering is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles on technologies for the production, processing, transportation, and use of chemicals on a large scale. Studies typically relate to processes within chemical and energy industries, especially for production of food, pharmaceuticals, fuels and chemical feedstocks. Topics of investigation cover plant design and operation, process design and analysis, control and reaction engineering, as well as hazard mitigation and safety measures.
Nanoparticles of Ni{sub 1−x}Zn{sub x}O and Ni{sub 1−x}Zn{sub x}O/ZnO, which can be good candidates for selective gas sensors, were successfully obtained via a two-step synthetic route, in which the nickel zinc malonate precursor was first synthesized by co-precipitation from an aqueous solution, followed by pyrolysis in air at a relatively low temperature (~500 °C). The precursor was characterized by ICP-AES, FTIR and TG and the results indicate the molecular structure of the precursor to be compatible with Ni{sub 1−x}Zn{sub x}(OOCCH{sub 2}COO)·2H{sub 2}O. The decomposition product, characterized using various techniques (FTIR, XRD, ToF-SIMS, SEM, TEM and XPS), was established to be a doped nickel oxide (Ni{sub 1−x}Zn{sub x}O for 0.01≤x≤0.1) and a composite material (Ni{sub 1−x}Zn{sub x}O/ZnO for 0.2≤x≤0.5). To elucidate the form in which the Zn is present in the NiO structure, three analytical techniques were employed: ToF-SIMS, XRD and XPS. While ToF SIMS provided a direct ...
Highlights: • Ni/CNTs core/shell structure was synthesized using LaNi{sub 5} alloy catalyst by CVD. • The magnetic and lithium-ion storage properties of Ni/CNTs structure were studied. • The specific Ni/CNTs structure shows strong ferromagnetic property with large coercivity value of 446.42 Oe. • Ni/CNTs structure shows enhanced electrochemical performance in terms of stable capacity and better rate capability. - Abstract: A method was developed to synthesize ferromagnetic nickel core/carbon shell nanotubes (Ni/CNTs) by chemical vapor deposition using Pauli paramagnetic lanthanum nickel (LaNi{sub 5}) alloy both as a catalyst and as a source for the Ni-core. The Ni-core was obtained through oxidative dissociation followed by hydrogen reduction during the catalytic growth of the CNTs. Transmission electron microscopy (TEM), selected area electron diffraction (SAED) and X-ray diffraction (XRD) analyses reveal that the Ni-core exists as a face centered cubic single crystal. The magnetic ...
Nickel silver, also known as German silver, Argentann, paktong, new silver, nickel brass, or alpacca (or alpaca), is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc.[4] In fact, all modern, commercially important nickel silvers (such as those standardized under ASTM B122) contain significant amounts of zinc, and are sometimes considered a subset of brass. Paktong is actually not a pseudonym for Nickel Silver, but the metal Nickel Silver was made to imitate. Whilst Paktong is a similar alloy there are subtle compositional differences and more important chronological differences. ...
This specification covers established manufacturing tolerances applicable to sheet, strip, and plate of nickel, nickel alloys, and cobalt alloys ordered to inch/pound dimensions. These tolerances apply to all conditions, unless otherwise noted. The term
China Nickel Alloy Bolt manufacturers - Select 2018 high quality Nickel Alloy Bolt products in best price from certified Chinese Stainless Steel Alloy manufacturers, Nickel Plated suppliers, wholesalers and factory on Made-in-China.com
Arnold Precision Thin Magnets works with a range of Nickel and Nickel Alloys, all precision rolled for use in applications such as strain gauges, batteries, and gaskets. Each ultra-thin nickel alloy is available in a variety of thicknesses and densities, unique to your specific application. Contact us to learn more.
United States Patent ELECTROLESS NICKELSOLUTION CONTROL Robert A. Spanlding, Huntington Woods, Mieh., assignor -t0 General Motors-Corporation, Detroit, Mich., a corporation of Delaware No Drawing. Application December 3, 1953, Serial No. 396,081 12 Claims. (Cl. 117-130) This invention relates .to improvements in the deposition of nickel from chemical reduction plating solutions and more particularly to the control and maintenance of such solutions. It is known that nickel and certain other metals can be deposited on a metallic article by immersion of the article in an aqueous solution of a salt of the metal to be deposited and a reducing agent such as sodium hypophosphite or potassium hypophosphite. Plating of this type, generally termed electroless plating, is conducted in an acid or alkaline solution maintained at a temperature of about 90 C. or higher. In many instances, certain catalytic metals are employed to initiate the oxidation-reduction plating reaction. Nickel has heretofore been ...
Analytica EBC - Nickel in Beer by Spectrophotometry with Dimethylglyoxime - Determination of nickel in beer by spectrophotometric measurement Nickel can be present in beer through contact with stainless steel or Monel metal
The World Market for Nickel and Nickel Alloy Tubes, Pipes, and Tube or Pipe Fittings - A 2009 Global Trade Perspective (Electronic book text) / Author: Inc. Icon Group International ; 9780546359053 ; Books
London copper rallied onWednesday as China returned from a two-day break to buy upmetals following brighter global manufacturing reports, whilezinc and nickel tracked a rally in steel. Markets will be watching for signs of a pick up in physicalactivity in China now Q1 and all its credit restraints of thelast couple of weeks recede, said Kingdom Futures in a report. People will look for evidence of genuine buying for themuch talked about infrastructure projects. * LME COPPER: Three-month copper on the London MetalExchange climbed 1.2 percent to $5,847.50 a tonne by0554 GMT, after ending the previous session with modest gains.Prices punched through resistance at the 100-day moving averageat $5,790, which traders said improved its technical picture. * SHFE COPPER: Shanghai Futures Exchange copper cutearly losses to trade at 47,420 yuan ($6,880) a tonne, down 0.9percent. * NICKEL, ZINC: LME nickel and zinc bothrose 2 percent, yanked up by gains in the steel sector after acyclone in
Global Power Solutions Sdn Bhd - HBL Nickel Cadmium Battery HBL Nickel Cadmium Battery Malaysia, Selangor, Kuala Lumpur (KL), Puchong Manufacturer, Supplier, Supply, Rental, Global Power Solution Sdn Bhd was incorporated in year 2015. The main objective for the formation of the company is to operate business in the fields of electrical construction, design, supply, delivery, installation, commissioning and testing of electrical services. Our main office is located in Puchong, Selangor, Malaysia.
Manufacturers, distributors, suppliers, and compounders, have provided Nickel Alloy technical data sheets for our materials property database. Search for complete mechanical and physical property information on Nickel Alloy from leading manufacturers and suppliers in the USA and worldwide.
Nickel Metal Hydride Handbook. Panasonic.. *^ a b c d e f g h Charge Sealed Nickel-Metal Hydride Batteries. Ni-MH Technical ... The chemical reaction at the positive electrode is similar to that of the nickel-cadmium cell (NiCd), with both using nickel ... Nickel Metal Hydride (NiMh) Approx 1% per day if unused.. *^ "GP Batteries (Hong Kong) FAQ". Archived from the original on 2007 ... Nickel Metal Hydride Handbook (PDF) (NiMH02.01 ed.). Energizer Battery Manufacturing.. *^ "Japanese Nonwoven Battery ...
Since nickel is not Raman active, direct Raman spectroscopy of graphene layers on top of the nickel is achievable.[66] ... sandwiched between nickel and glass. Peeling the nickel and the top layer of graphene left an intervening layer of graphene on ... Nickel(111)[edit]. High-quality sheets of few-layer graphene exceeding 1 cm2 (0.2 sq in) in area have been synthesized via CVD ... The solution is then cooled and the carbon diffuses out of the nickel to form graphene films.[36][60][61][62] CVD grown ...
Nickel-hydrogen and nickel metal-hydride[edit]. The nickel-hydrogen battery entered the market as an energy-storage subsystem ... Nickel-iron[edit]. Nickel-iron batteries manufactured between 1972 and 1975 under the "Exide" brand, originally developed in ... In 1899, a Swedish scientist named Waldemar Jungner invented the nickel-cadmium battery, a rechargeable battery that has nickel ... "Nickel-Hydrogen Battery Technology-Development and Status" (PDF). Archived from the original (PDF) on 2009-03-18. Retrieved ...
Nickel-Strunz code scheme: NN.XY.##x *NN: Nickel-Strunz mineral class number ... Nickel-Strunz Classification -08- Phosphates[edit]. IMA-CNMNC proposes a new hierarchical scheme (Mills et al., 2009). This ... Ernest H. Nickel & Monte C. Nichols (March 2009). "IMA-CNMNC List of Mineral Names" (PDF). IMA-CNMNC. Archived from the ... Stuart J. Mills; Frédéric Hatert; Ernest H. Nickel & Giovanni Ferraris (2009). "The standardisation of mineral group ...
Nickel-plated steel[edit]. Some acoustic players use strings, wound with nickel-plated-steel, meant for electric guitar. The ... Electric guitar strings are usually wound with nickel-plated steel; pure nickel and stainless steel are also used. Bass guitar ... Some common types of metal plating on strings include tin, nickel, gold, and silver. Some metals such as gold and silver give ... strings are most commonly wound with stainless steel or nickel. Copper, gold, silver, and tungsten are used for some ...
Henry Lawson, His Father's Mate from While The Billy Boils, 1896 (short story) Nickel Queen, based on the Western Australian ... McRae, Michele E. (20 January 2020). "Nickel". Mineral commodity summaries 2020 (PDF). Reston, Virginia: U.S. Geological Survey ... Nickel - Australia was the world's fifth largest producer in 2019, producing 6.7% of world output. Aluminium - Australia was ... 6th largest producer of nickel; 8th largest world producer of tin; 14th largest world producer of phosphate; 15th largest world ...
data Coins = Nickel , Dime , Fake; data Drinks = Coffee , Tea; data Buttons = BCoffee , BTea , BCancel; type Int = int 32 ; ... case coin of Nickel -> v + 5 Dime -> v + 10 Fake -> raise EFakeCoin (v, "coin rejected") ; vend drink cost v = if v >= cost ... Nickel, *) , 'd' -> (Dime, *) , 'f' -> (Fake, *) , 'c' -> (*, BCoffee) , 't' -> (*, BTea) , 'x' -> (*, BCancel ...
Nickel. "Biochemisty of the essential ultratrace elements" edited by Earl Frieden. Plenum Publishing Co. 1984. "Hiroshi ... was a Japanese biochemist known for first suggesting that Nickel may be a dietary element. He made a great contribution to the ...
"US Mint Cost To Make Penny". Unser, Mike (2017-02-21). "Penny Costs 1.5 Cents to Make in 2016, Nickel Costs 6.32 Cents; US Mint ... "US Mint Cost To Make Penny and Nickel Declines in FY 2013". January 20, 2014. "About , U.S. Mint" (PDF). Usmint.gov. Retrieved ... Unser, Mike (2019-05-24). "Penny Costs 2.06 Cents to Make in 2018, Nickel Costs 7.53 Cents; US Mint Realizes $321.1M in ... Unser, Mike (2019-05-24). "Penny Costs 2.06 Cents to Make in 2018, Nickel Costs 7.53 Cents; US Mint Realizes $321.1M in ...
2008). Nickel is Named Contact Allergen of the Year. Archived 2015-04-27 at the Wayback Machine Kornik, R; Zug, K. A. (2008). " ... 2008 - Nickel 2007 - Fragrance 2006 - p-Phenylenediamine - PPD is the hair dye chemical that is used to augment black henna ... "Nickel". Dermatitis. 19 (1): 3-8. PMID 18346389. Storrs, Frances J. (2007). "Allergen of the Year: Fragrance". Dermatitis. 18 ( ...
Nickel; and Dyehard Fan Supply, a national sports/entertainment merchandising business. In addition, separate partnerships ...
The nickel atom can be in a range of oxidation states from +2, +3 to +4. The hexafluoronickelate(IV)2− ion NiF62− contains ... The fluoronickelates are a class of chemical compounds containing an anion with nickel at its core, surrounded by fluoride ions ... Whalen, J.M.; Lucier, G.M.; Chacón, L.; Bartlett, N. (March 1998). "The room temperature conversion of nickel difluoride to ... Handbook of inorganic substances 2017 Mellor, J. W. (May 1936). "Nickel". A COMPREHENSIVE TREATISE ON INORGANIC AND THEORETICAL ...
... nickel; POM (including PAHs); and styrene. Gebel, T. (1997-11-28). "Arsenic and antimony: comparative approach on mechanistic ...
Nickel); ccoin(Nickel); ccoin(Dime); Unix.sleep(1); cbutton(BCoffee); Unix.sleep(1); cbutton(BTea); Unix.sleep(1); cbutton( ... type coins = Nickel , Dime and drinks = Coffee , Tea and buttons = BCoffee , BTea , BCancel;; (* def defines a Join-pattern set ... data Coins = Nickel , Dime; data Drinks = Coffee , Tea; data Buttons = BCoffee , BTea , BCancel; type Int = int 32 ; type ... Nickel) & value(v) = value(v+5) & reply () to coin or coin(Dime) & value(v) = value(v+10) & reply () to coin or button(BCoffee ...
... nickel. The machines can be large or small depending on the size of part required. Ashida, Kaneyoshi (2006). Polyurethane and ...
"nickel". Online Etymology Dictionary. Harper, Douglas. "copper". Online Etymology Dictionary. Harper, Douglas. "arsenic". ...
... nickel; nitrate; pH; phosphorus; potassium; sodium; and sulfate, as well as the presence of pesticides. Water-testing services ...
Nickel. IN: Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, ... Molybdenum, Nickel, Silicon, Vanadium, and Copper. National Academy Press. 2001, PP. 532-543. Smith DM, Pickering RM, Lewith GT ...
Nickel production in FY2008 was 41,800 tonnes (41,100 long tons; 46,100 short tons) of contained nickel and in 2014 was 41,000 ... El Espectador (Bogotá). March 11, 2017; accessed 8 June 2018 Nickel - ANM "Nickel-97". societechimiquedefrance.fr. 2013. ... and the largest mine of South America, containing the largest nickel reserve in Colombia. It is operated by Cerro Matoso S.A., ... It also noted that some of the examined members of the communities had elevated levels of nickel in urine and blood samples, ...
nickel. Copper can be added to increase malleability. The strength of gold-nickel-copper alloys is caused by formation of two ... The alloys used in the jewelry industry are gold-palladium-silver and gold-nickel-copper-zinc. Palladium and nickel act as ... The nickel used in some white gold alloys can cause an allergic reaction when worn over long periods (also notably on some ... Oxide layers can also be used to obtain blue gold from an alloy of 75% gold, 24.4% iron, and 0.6% nickel; the layer forms on ...
In 1934, the Finnish Government awarded the mining right to the British Mond Nickel Co, subsidiary of International Nickel Co ( ... The nickel smelter which has been an eyesore in Norway-Russia relations for decades due to its extreme pollution levels usually ... By 2025, Norilsk Nickel plans to reduce its overall emissions by 90% as part of its long-term development programme announced ... nickel; Finnish: Nikkeli) is an urban locality (an urban-type settlement) and the administrative center of Pechengsky District ...
Nickel, Birgit; Slatkin, Montgomery; Patterson, Nick; Reich, David; Prüfer, Kay; Meyer, Matthias; Pääbo, Svante; Kelso, Janet ( ...
Meyer, Matthias; Arsuaga, Juan-Luis; De Filippo, Cesare; Nagel, Sarah; Aximu-Petri, Ayinuer; Nickel, Birgit; Martínez, Ignacio ...
2017 Akron Poetry Prize 2015 Copper Nickel Editor's Prize in Prose 2011 Crab Orchard Series in Poetry First Book Award 2009 ... ". "Copper Nickel , Front". copper-nickel.org. Retrieved 2017-07-06. http://www.siupress.com/product/Tongue-Lyre,5884.aspx http ...
Koch, Norbert; Vollmer, Antje; Salzmann, Ingo; Nickel, Bert; Weiss, Helmut; Rabe, Jürgen P. (2006). "Evidence for Temperature- ...
Buffalo Nickel may well be the year's best novel.." During the 1980s and 1990s, Smith wrote non-fiction as well as novels and ... Smith's next novel, Hunter's Trap (TCU Press, 1996), was designed to be an oblique sequel to the earlier Buffalo Nickel and the ... Buffalo Nickel. New York: Simon & Schuster/Poseidon, 1989. Paperback reprint editions by Pocket Books, 1990 & 1995. Hunter's ... "Buffalo Nickel is a delightful rarity: an old-fashioned 'good read' which tells the life story of a likable and interesting ...
Somel, Mehmet; Franz, Henriette; Yan, Zheng; Lorenc, Anna; Guo, Song; Giger, Thomas; Kelso, Janet; Nickel, Birgit; Dannemann, ...
Nickel, Helmut. "The Dragon and the Pearl." Metropolitan Museum Journal, Vol. 26. (1991), pp 139-146. Nischer, E. C. "The Army ... Nickel, 139. Nischer, 51. Haldon, 369-370. Green, passim. Bachrach, Merovingian, 12 n30. Bachrach, Merovingian, 17. Bachrach, ...
Nickel, Mark. "Locke named 13th provost of Brown University". News from Brown. Brown University. Archived from the original on ...
Retrieved 3 July 2019.[dead link] Shalizi, Hamid (7 April 2018). Nickel, Rod; Perry, Michael; Lawson, Hugh (eds.). "Afghan air ...
... , Erotic Writing in Western New York. Edited by Gary Earl Ross. 2008, The Writers Den, ... "Nickel City Nights" samples erotic writing in WNY "Nothing manifests the conflict of being human like sexuality. We are ... Nickel City Nights grew out of "Desire by Design" a 1990s era Just Buffalo Literary Center sponsored writing workshop series ... Its worth noting that not a single one of the contributors to Nickel City Nights can be thought of exclusively or even ...
Nickel electroplating is a technique of electroplating a thin layer of nickel onto a metal object. The nickel layer can be ... Watts nickel plating baths can deposit both bright and semi-bright nickel. Bright nickel is typically used for decorative ... Hard nickel[edit]. A hard nickel solution is used when a high tensile strength and hardness deposit is required.[3] ... Black nickel[edit]. Black nickel plating is typically plated on brass, bronze, or steel in order to produce a non-reflective ...
Exposure to nickel may lead to cancer. Workers may be harmed from exposure to nickel. The level of exposure depends upon the ... Nickel (Ni) is a hard, silvery-white metal that may cause irritation to the skin. Exposure can harm the lungs, stomach, and ... IARC Monographs Vol 100C: Nickel and Nickel Compoundsexternal icon. *IARC Monographs Vol. 49-Summary and Evaluation: Nickel ... Exposure to nickel may lead to cancer. Workers may be harmed from exposure to nickel. The level of exposure depends upon the ...
The reactions at the nickel oxide electrode are: 2. N. i. O. (. O. H. ). +. 2. H. 2. O. +. 2. e. −. →. 2. N. i. (. O. H. ). 2. ... The nickel-cadmium battery (Ni-Cd battery or NiCad battery) is a type of rechargeable battery using nickel oxide hydroxide and ... Up to this point, the batteries were "pocket type," constructed of nickel-plated steel pockets containing nickel and cadmium ... Positive and negative plates are produced by soaking the nickel plates in nickel- and cadmium-active materials, respectively. ...
Ingesting large amounts of nickel affected the reproduction and development in rats and mice. Nickel has been found in at least ... Pure nickel is a hard, silvery-white metal used to make stainless steel and other metal alloys. Skin effects are the most ... Workers who breathed very large amounts of nickel compounds developed chronic bronchitis and lung and nasal sinus cancers. ... common effects in people who are sensitive to nickel. ... make or use nickel, nickel alloys, or nickel compounds. It is ...
Overview Nickel is the only element named after the devil. The name comes from the German word Kupfernickel, meaning Old ... NICKEL (REVISED) Note: This article, originally published in 1998, was updated in 2006 for the eBook edition. ... There are five naturally occurring isotopes of nickel: nickel-58, nickel-60, nickel-61, nickel-62, and nickel-64. Isotopes are ... Nickel-copper alloys are used in coinage; the American "nickel" coin is about one-fourth nickel. Constantan is a nickel-copper ...
Toxicological Profile for Nickel. CAS#: 7440-02-0. Toxicological Profile Information. The ATSDR toxicological profile ... Toxicological profile for Nickel. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service. ...
Please enter an approximate age of less than 120 and a four digit birth year using whole numbers only (e.g., 75 years old in 1834 ...
Grace Nickel website William Pura website List of works Back to first page ABOVE FOREGROUND: Grace Nickels Devastatus ... GRACE NICKEL Devastatus Rememorari (devastation remembered) is Grace Nickels meditation on Hurricane Juans 2003 destruction ... ABOVE: a detail of Grace Nickels Devastatus Rememorari PHOTO CREDIT: Bob Talbot. My first encounter with this installation ... The ancient function of memorial sculpture is repurposed in this work, as if Nickel were making tree trunk cremation urns laden ...
... is a metal allergen (CHEBI:88184) nickel atom (CHEBI:28112) is a nickel group element atom (CHEBI: ... nickel atom (CHEBI:28112) has role epitope (CHEBI:53000) nickel atom (CHEBI:28112) has role micronutrient (CHEBI:27027) ... CHEBI:28112 - nickel atom. Main. ChEBI Ontology. Automatic Xrefs. Reactions. Pathways. Models. ...
... very rare native alloy of nickel and iron that contains between 24 and 77 percent nickel. It occurs in the gold washings of the ... Nickel-iron, very rare native alloy of nickel and iron that contains between 24 and 77 percent nickel. It occurs in the gold ... nickel-iron meteoriteNickel-iron meteorite, from Canyon Diablo, Arizona.. © Kenneth V. Pilon/Shutterstock.com. ... Nickel-iron also can be of meteoritic origin. Called taenite, it is found in some ataxites and in all octahedrites. Plessite, ...
Shop Buffalo Nickel [CD] at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Price Match ...
Nickel S, Nickel P, Hellmert M, Ernst S, Jewell R, Pearce CA, Jones G, Hamza D, Kaiser M. ... Süß W, Nickel S, Wolf K, Trojan A.. Gesundheitswesen. 2015 Sep;77 Suppl 1:S120-1. doi: 10.1055/s-0033-1334938. Epub 2013 Aug 16 ... Nickel S, von dem Knesebeck O, Kofahl C.. Acta Neurol Scand. 2018 Feb;137(2):174-180. doi: 10.1111/ane.12854. Epub 2017 Oct 3. ... Schröder W, Nickel S, Jenssen M, Riediger J.. Sci Total Environ. 2015 Jul 15;521-522:108-22. doi: 10.1016/j.scitotenv.2015.03. ...
Researchers at the Korean Advanced Institute of Science and Technology (KAIST) have created composite materials using graphene that are up to 500 times stronger than the raw, non-composite material. This is the first time that graphene has been successfully used to create strong composite materials - and due to the tiny amounts of graphene used (just 0.00004% by weight) this breakthrough could lead to much faster commercial adoption than pure graphene, which is still incredibly hard to produce in large quantities.. ...
Ho, J.; Polak, M.L.; Ervin, K.M.; Lineberger, W.C., Photoelectron Spectroscopy of Nickel Group Dimers - Ni2(-), Pd2(-), and Pt2 ... Sugar, J.; Corliss, C., Atomic energy levels of the iron period elements: Potassium through nickel, J. Phys. Chem. Ref. Data, ... Clements, P.J.; Sale, F.R., A mass spectrometric study of nickel tetracarbonyl, iron pentacarbonyl and binary mixtures of these ... and nickel, J. Opt. Soc. Am. B, 1990, 1761. [all data] ... and nickel, J. Phys. B:, 1982, 15, 4523. [all data] ...
a b c d Nickel Creek. "Meet The Band". Nickel Creek. June 8, 2002. Retrieved December 1, 2007. ... "Apple, Nickel Creek Teaming For Tour". Billboard (magazine). May 18, 2007.. *↑ Madison, Tjames. "Fiona Apple joins Nickel ... "Nickel Creek Journals". Nickel Creek. August 17, 2000. Retrieved December 1, 2007. Erro de citação: Código ,ref,. inválido; o ... Little Cowpoke · Here to There · Nickel Creek · This Side · Why Should the Fire Die?. ...
... nickel value because no matter how hot she is, she is/can only be half as hot as herself in a tanner state. ... frosty nickelunknown. An extremely attractive female with pale skin who would otherwise be considered a dime or dime piece ... Hey man, I'd like to go talk to that frosty nickel over there, but I forgot my sunglasses in the car.. It's awesome ... Can you imagine how sexy that frosty nickel would be if she ever went outside?. ...
Providing a significant change in pace from the traditional United States coin designs, the Shield Nickel portrays neither ... The shield nickel first appeared in 1866, replacing the earlier Seated Liberty Half Dime. The "Half Dime" named denomination ... Providing a significant change in pace from the traditional United States coin designs, the Shield Nickel portrays neither ... Since the new five cent coins were to be made of nickel, the name caught on. ...
Cubas nickel plus cobalt sulfide production will top 50,000 tonnes this year and earnings are up over 2017, the head of the ... Nickel is one of the cash-strapped Communist-run countrys most important exports, but revenue from it has suffered in recent ... Cuba produced on average 74,000 tonnes of nickel plus cobalt during the first decade of this century, but the oldest of three ... Business sources with knowledge of the industry said final tonnage was around 50,000 tonnes of nickel plus cobalt, of which ...
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database ...
Book your Nickel Beach vacation rental online. Explore a large selection of vacation rentals, including Houses, Condos/ ... Can I rent Houses near Nickel Beach?. Yes, of course. HomeAway has 250 Houses near Nickel Beach. Our other popular types of ... What is the best area to stay near Nickel Beach?. Whether youre travelling with family or friends, here are the areas with the ... Can I find a vacation rental with pool near Nickel Beach?. Yes, you can select your preferred vacation rental with pool among ...
See an archive of all intelligencer/nickel and dimed stories published on the New York Media network, which includes NYMag, The ... Were sorry, but we didnt find any results for "Intelligencer/nickel And Dimed ". Please try again or browse Nymags main page ...
The catalyst is prepared by coprecipitating nickel and silicate ions in the presence of a porous silica support under ... Significantly improved activity is obtained with the nickel-sililca catalyst of this invention particularly in conversion of ... An improved process for hydrogenating organic compounds is provided in which a catalyst is employed that has a nickel surface ... the source of nickel cation may be any of the following: nickel nitrate, nickel chloride and nickel bromide. The concentration ...
Bathroom Light Fixtures Brushed Nickel http://www.simplybathroomlighting.com/type-1light-sbl.html or call 1.888.225.4587 - Want ... Hunter Fan 52 Casual Ceiling Fan in Brushed Nickel with Dual Glass Light Fixture and ... Hunter Fan 52 Casual Ceiling Fan in Brushed Nickel with Dual Glass Light Fixture and ... Thomas Lighting SL7485-78 Prestige Collection Five-Light Bath Fixture Brushed Nickel Finish Review ...
Hobo Nickel Art. Stylish toking, coffee with Louis C.K., neuromorphic computer chips and more in our weekly look at the web. ... Categories Posted in Link About ItTags Antarctica, Computers, Hobo Nickel Art, Humor, Lego, Link About It, Science, Tech ... Hobo nickel art refers to the medium of carving sculptures from small denomination coins. Art and culture blog This is Colossal ...
... Hey, you can only buy 3 of these.. Leave some for the rest of us!. Update the quantity ... www.woot.com/offers/concord-lavatory-faucet-satin-nickel-2 $146.00 Sold Out Home & Garden $146.00 USD false 1 Retail EA 1 3 ...
A discussion of important themes running throughout Shaking the Nickel Bush. Great supplemental information for school essays ... More summaries and resources for teaching or studying Shaking the Nickel Bush. ... Shaking the Nickel Bush from BookRags. (c)2017 BookRags, Inc. All rights reserved. ... everything you need to sharpen your knowledge of Shaking the Nickel Bush. ...
Available in Brass and Nickel. Smaller options also available. ... Available in Brass and Nickel. Smaller options also available. ...
  • HAVANA, Dec 13 (Reuters) - Cuba's nickel plus cobalt sulfide production will top 50,000 tonnes this year and earnings are up over 2017, the head of the country's state monopoly Cubaniquel was quoted by local media as stating on Wednesday. (reuters.com)
  • The country was ranked 10th in world nickel production in 2017 and fifth in cobalt. (reuters.com)
  • VANCOUVER, BRITISH COLUMBIA--(Marketwired - Mar 1, 2017) - North American Nickel Inc. (TSX VENTURE:NAN)( WSCRF ) (CUSIP:65704T 108) (the "Company" or "NAN") is pleased to announce that it has appointed Mr. Alexander Dann as Chief Financial Officer of the Company. (yahoo.com)
  • Nickel was first isolated and classified as a chemical element in 1751 by Axel Fredrik Cronstedt , who initially mistook the ore for a copper mineral , in the cobalt mines of Los, Hälsingland, Sweden . (wikipedia.org)
  • The element's name comes from a mischievous sprite of German miner mythology, Nickel (similar to Old Nick ), who personified the fact that copper-nickel ores resisted refinement into copper. (wikipedia.org)
  • A further 10% is used for nickel-based and copper-based alloys, 7% for alloy steels, 3% in foundries, 9% in plating and 4% in other applications, including the fast-growing battery sector, [8] including those in electric vehicles (EVs). (wikipedia.org)
  • Copper miners were confused about nickel and copper because they both occurred in ores with a green tint. (encyclopedia.com)
  • But copper ores reacted differently to heat than did nickel ores. (encyclopedia.com)
  • While the most common metals soldered are gold, silver and copper, you also can solder nickel silver. (ehow.com)
  • instead, it is a nickel, zinc and copper alloy that is used to mimic sterling silver. (ehow.com)
  • Pick up the soldered nickel silver piece with the copper tongs, and place the piece into the pickle pot to remove the oxidation. (ehow.com)
  • Some of the metals that nickel can be alloyed with are iron, copper, chromium, and zinc. (cdc.gov)
  • Mineral Economics (Volume 25, Issue 2-3, March 2013) - Spillovers Between Cobalt, Copper and Nickel Prices: Implications for Deep Seabed Mining (2013) Martino, S. (infomine.com)
  • The Maniitsoq property in Greenland is a Camp scale project comprising 2,985 square km covering numerous high-grade nickel-copper sulphide occurrences associated with norite and other mafic-ultramafic intrusions of the Greenland Norite Belt (GNB). (yahoo.com)
  • The Company's Post Creek/Halcyon property in Sudbury is strategically located adjacent to the past producing Podolsky copper-nickel-platinum group metal deposit of KGHM International Ltd. The property lies along an interpreted extension of the Whistle Offset embayment structure. (yahoo.com)
  • Inco and Falconbridge, Toronto nickel and copper producers, have long planned to sell Nikkelverk to win regulatory clearance for their combination, but it isn't clear whether the sale to LionOre has clinched such approval. (wsj.com)
  • Copper prices are holding up, nickel is much worse but not at critical levels, Strzhalkovsky said in the interview. (ibtimes.com)
  • New Delhi, May 2 (PTI) Copper and nickel prices fell by Rs 5 per kg at the non-ferrous metal market today on muted demand from consuming industries. (yahoo.com)
  • Traders said tepid demand from consuming industries at domestic spot market, mainly weighed on copper and nickel prices. (yahoo.com)
  • In the national capital, copper mixed scrap and nickel plate (4×4) fell by Rs 5 each to Rs 340 and Rs 785-790 per kg, respectively. (yahoo.com)
  • Following are today's metals' rates (in Rs per kg): Zinc ingot Rs 104-110, Nickel plate (4×4) Rs 785-790, gun metal scrap Rs 227, Bell metal scrap Rs 229, copper mixed scrap Rs 340, chadri deshi Rs 295. (yahoo.com)
  • LONDON, Nov 17 (Reuters) - Nickel and copper led the base metals complex higher on Friday, supported by a softer dollar, though both metals ended the week lower. (reuters.com)
  • Anyone who has shown symptoms of sensitization due to this substance should avoid all further contact with nickel, nickel compounds and other metal compounds of e.g. copper, chromium and cobalt. (inchem.org)
  • It is also widely used for many other alloys, such as nickel brasses and bronzes, and alloys with copper , chromium , aluminum , lead , cobalt , silver and gold . (newworldencyclopedia.org)
  • Further, there are Chinese manuscripts suggesting that 'white copper ' ( baitung ) was used in the Orient between 1400 and 1700 B.C.E. Yet, the ores of nickel were easily mistaken for ores of silver. (newworldencyclopedia.org)
  • Minerals containing nickel (such as kupfernickel, meaning copper of the devil ('Nick'), or false copper) were valued for coloring glass green. (newworldencyclopedia.org)
  • The nickel coins used for currency are an alloy of 25 percent nickel and 75 percent copper . (factbites.com)
  • The U.S. nickel is 25% nickel and 75% copper . (factbites.com)
  • Here, truckload of copper and nickel ore in Ontario in 2008. (wsj.com)
  • The high strength copper nickel zinc alloy is a national patented product independently developed by Powerway Alloy with independent intellectual property rights. (hannovermesse.de)
  • Use of nickel (as a natural meteoric nickel-iron alloy) has been traced as far back as 3500 BCE. (wikipedia.org)
  • Nickel-iron , very rare native alloy of nickel and iron that contains between 24 and 77 percent nickel. (britannica.com)
  • Figure 5: Iron/nickel alloy under pressure. (nature.com)
  • In contrast to the shift for the Fe/Mn alloy (used here as a reference example), that for Fe/Ni brings the local levels of nickel close to the peak at the top of the hcp band. (nature.com)
  • Since the latter is similar to the sharp features of pure fcc nickel (shown in Fig. 4a ), the non-Fermi-liquid effects observed in the pure fcc material are expected to survive in the iron/nickel alloy. (nature.com)
  • The iron/nickel alloy strongly deviates from standard Pauli behaviour of good Fermi liquids. (nature.com)
  • c ) The scattering rate (averaged over all d orbitals) of the nickel alloy at high temperatures within CPA+DMFT is remarkably similar to the corresponding one of pure fcc nickel at these pressures and much larger than that of the Fe/Mn alloy, taken here as a reference. (nature.com)
  • This specification covers the requirements for an electrodeposit of cadmium diffused into an electrodeposit of nickel on carbon, low-alloy, and corrosion-resistant steels. (sae.org)
  • Bunsen Burner With threaded needle valve, air regulator and aluminum mixing tubes for thorough air/gas mixing, nickel plated, die-cast zinc alloy base. (alibaba.com)
  • Nickel is pre-eminently an alloy metal, and its chief use is in the nickel steels and nickel cast irons, of which there are innumerable varieties. (newworldencyclopedia.org)
  • We also replace high-cost Pt catalyst on the anode with a low-cost, bifunctional nickel-molybdenum-cobalt alloy, which could effectively catalyze hydrogen evolution and oxidation reactions in alkaline electrolyte. (pnas.org)
  • This SAE Standard specifies the guidance and the requirements for the electrodeposition of zinc-nickel alloy coatings on a range of metallic substrates for the provision of corrosion resistance to steel components and galvanic compatibility between some bi-metallic contacting surfaces. (sae.org)
  • Nickel free cupronickel is developed by Powerway Alloy independently and is a national patented product with independent intellectual property rights, which has been listed among the national key new products and has been ranked first in the market for a continuous eight years. (hannovermesse.de)
  • article{osti_863301, title = {Lanthanum nickel aluminum alloy}, author = {Gruen, Dieter M. and Mendelsohn, Marshall H. and Dwight, Austin E.}, abstractNote = {A ternary intermetallic compound capable of reversible sorption of hydrogen having the chemical formula LaNi.sub.5-x Al.sub.x, where x is in the range of about 0.01 to 1.5 and the method of storing hydrogen using the intermetallic compound. (osti.gov)
  • Pure nickel is a hard, silvery-white metal used to make stainless steel and other metal alloys. (cdc.gov)
  • Nickel is released into the atmosphere by industries that make or use nickel, nickel alloys, or nickel compounds. (cdc.gov)
  • Nickel is also used in the manufacture of many other alloys. (encyclopedia.com)
  • Pure nickel is a hard, silvery-white metal, which has properties that make it very desirable for combining with other metals to form mixtures called alloys. (cdc.gov)
  • Much of our nickel used in industries comes from recycling nickel-containing alloys or is imported mainly from Canada and Russia. (cdc.gov)
  • Nickel may be released to the environment from the stacks of large furnaces used to make alloys or from power plants and trash incinerators. (cdc.gov)
  • Nickel is used in the production of stainless steel and other corrosion-resistant alloys. (reuters.com)
  • This present article deals with nickel and its alloys. (astm.org)
  • Nickel (Ni) is a hard, silvery-white metal that may cause irritation to the skin. (cdc.gov)
  • Pure nickel is a hard, silvery-white metal. (cdc.gov)
  • Nickel (chemical symbol Ni , atomic number 28) is a silvery white metal that takes on a high polish. (newworldencyclopedia.org)
  • Nickel is a silvery-white metal with a slight golden tinge that takes a high polish. (wikipedia.org)
  • Workers who breathed very large amounts of nickel compounds developed chronic bronchitis and lung and nasal sinus cancers. (cdc.gov)
  • Nickel can combine with other elements such as chlorine, sulfur, and oxygen to form nickel compounds. (cdc.gov)
  • Many nickel compounds dissolve fairly easy in water and have a green color. (cdc.gov)
  • Nickel compounds are used for nickel plating, to color ceramics, to make some batteries, and as substances known as catalysts that increase the rate of chemical reactions. (cdc.gov)
  • Nickel and its compounds have no characteristic odor or taste. (cdc.gov)
  • Damage to the lung and nasal cavity has been observed in rats and mice breathing nickel compounds. (cdc.gov)
  • Cancers of the lung and nasal sinus have resulted when workers breathed dust containing high levels of nickel compounds while working in nickel refineries or nickel processing plants. (cdc.gov)
  • There are also compounds consisting of nickel combined with many other elements, including chlorine, sulfur, and oxygen. (cdc.gov)
  • See Chapters 4 and 5 of this profile for more information on the properties, sources, and uses of nickel and its compounds. (cdc.gov)
  • An improved process for hydrogenating organic compounds is provided in which a catalyst is employed that has a nickel surface area greater than about 70 m2/g and a sodium content less than 0.2 wt. (google.com)
  • Dees Attorney, Agent, or Firm-Joseph J. Dvorak [57] ABSTRACT An improved process for hydrogenating organic compounds is provided in which a catalyst is employed that has a nickel surface area greater than about 70 m /g and a sodium content less than 0.2 wt. (google.com)
  • Exposure most often occurs in the industrial environment either through the inhalation of nickel dust or dermal contact with nickel compounds. (labcorp.com)
  • More nickel was measured in the urine of workers who were exposed to nickel compounds that dissolve easily in water than in the urine of workers exposed to nickel compounds that are hard to dissolve. (factbites.com)
  • Nickel is one of four elements (the others are iron , cobalt , and gadolinium ) [7] that are ferromagnetic at approximately room temperature. (wikipedia.org)
  • Some ores of nickel also look like cobalt ores. (encyclopedia.com)
  • Cobalt mine owners called the "misbehaving" ores of nickel "cobalt which had lost its soul. (encyclopedia.com)
  • But nickel is less magnetic than either iron or cobalt. (encyclopedia.com)
  • Business sources with knowledge of the industry said final tonnage was around 50,000 tonnes of nickel plus cobalt, of which just over 4,000 tonnes was cobalt. (reuters.com)
  • Cuba produced on average 74,000 tonnes of nickel plus cobalt during the first decade of this century, but the oldest of three plants was shuttered in 2012 and the Che Guevara plant has suffered from obsolescence and hurricane damage. (reuters.com)
  • Solvent Extraction Methods used for Removal of Impurities from Nickel and/or Cobalt Containing Solutions. (elsevier.com)
  • Provides a unique survey of the information contained in the patent literature concerning solvent extraction of nickel and cobalt. (elsevier.com)
  • the third covers solvent extraction methods used to remove impurities from solutions containing nickel or cobalt. (elsevier.com)
  • Once fully operational, the project will have the annual capacity to produce 60,000 tonnes of high grade construction and nickel, 5,600 tonnes of cobalt, and 190,000 tonnes of ammonium sulphate fertilizer. (afdb.org)
  • This product can expose you to chemicals including arsenic, beryllium , cadmium, cobalt, lead, sulfur dioxide, nickel, which are known to the State of California to cause cancer, birth defects or other reproductive harm ( www.P65warnings.ca.gov ). (riogrande.com)
  • This work introduces an aqueous nickel-hydrogen battery by using a nickel hydroxide cathode with industrial-level areal capacity of ∼35 mAh cm −2 and a low-cost, bifunctional nickel-molybdenum-cobalt electrocatalyst as hydrogen anode to effectively catalyze hydrogen evolution and oxidation reactions in alkaline electrolyte. (pnas.org)
  • Nickel is a chemical element with the symbol Ni and atomic number 28. (wikipedia.org)
  • Chemical element (nickel group element atom) with atomic number 28. (ebi.ac.uk)
  • NIOSH Pocket Guide: Nickel Carbonyl -CAS No. 13463-39-3. (cdc.gov)
  • Specific Medical Tests or Evaluations Published in the Literature for OSHA-Regulated Substances: Nickel carbonyl -Database listing the specific medical tests published in the literature for OSHA regulated substances. (cdc.gov)
  • Still, caution is taken with nickel refinery dust and especially nickel subsulfide (Ni Another compound of concern is nickel carbonyl , a highly toxic, volatile liquid used to purify nickel or to produce fine nickel particles. (factbites.com)
  • Clarke believes Nickel can educate male consumers about skin care via a hands-on learning approach - either by having men in Nickel's two U.S. spas, its retail distribution network or any one of a number of yet-to-be launched "Nickel rooms" within the brand's existing spa base. (wwd.com)
  • While a target number of spa doors has not been established, Clarke envisions opening rooms within Nickel's spa distribution network and dedicating the spaces to Nickel-driven men's services. (wwd.com)
  • This announcement has been prepared by Mirabela Nickel Limited (ABN 23 108 161 593) ( Mirabela ). (newswire.ca)
  • The use of nickel can be traced as far back as 3500 B.C.E. Bronzes from what is now Syria had a nickel content of up to two percent. (newworldencyclopedia.org)
  • An all-sulfate solution is used for electro-depositing nickel where the anodes are insoluble. (wikipedia.org)
  • In 2006, Pacor and colleagues performed a randomized double-blind placebo-controlled study with two groups of patients affected by nickel sulfate-induced steroid-resistant ACD and respectively treated with tacrolimus ointment 0.1% and placebo vehicle for 14 days. (medscape.com)
  • Nickel sulfate is considered a cancer suspect agent. (washington.edu)
  • Place 100 mL of the nickel (II) sulfate solution into each of the cylinders. (washington.edu)
  • Nickel carbonate , nickel sulfide, and nickel oxide are insoluble in water, whereas nickel chloride, nickel sulfate, and nickel nitrate are water soluble. (factbites.com)
  • Our 2020 vacation rental listings offer a large selection of 443 house rentals around Nickel Beach. (vrbo.com)
  • TORONTO -- Inco Ltd. and Falconbridge Ltd. , hoping to win regulatory approval for their planned $17 billion combination and fend off other takeover bids, agreed to sell Falconbridge's nickel refinery in Norway for $650 million. (wsj.com)
  • An extremely attractive female with pale skin who would otherwise be considered a ' dime ' or 'dime piece', but is relegated to only 'nickel' value because no matter how hot she is, she is/can only be half as hot as herself in a tanner state. (urbandictionary.com)
  • The shield nickel first appeared in 1866 , replacing the earlier Seated Liberty Half Dime . (everything2.com)
  • The most common ores of nickel include pentlandite, pyrrhotite, and garnierite. (encyclopedia.com)
  • Nickel-plated objects sometimes provoke nickel allergy . (wikipedia.org)
  • Cite this: Topical and Systemic Therapies for Nickel Allergy - Medscape - Oct 01, 2011. (medscape.com)
  • A nickel allergy occurs when a person has an adverse reaction to a food or object containing nickel. (medicalnewstoday.com)
  • An allergy to nickel is among the most common causes of this reaction. (medicalnewstoday.com)
  • When a person with a nickel allergy comes into contact with the metal, their immune system mistakenly believes that it is causing harm. (medicalnewstoday.com)
  • Here, we look into the everyday objects and foods that contain nickel and provide detailed information about the allergy, including symptoms, methods of diagnosis, and treatment options. (medicalnewstoday.com)
  • The best way to manage a nickel allergy is to avoid anything containing the metal. (medicalnewstoday.com)
  • A person with an allergy may have to carefully read labels or contact manufacturers to ensure that these types of items do not contain nickel. (medicalnewstoday.com)
  • Anyone working in an industry that involves frequent exposure to nickel and other metals should notify their employer of an allergy. (medicalnewstoday.com)
  • A rash caused by a nickel allergy can be treated with antihistamines. (medicalnewstoday.com)
  • There is no cure for an allergy to nickel. (medicalnewstoday.com)
  • Also some say their jewelry is nickel free, but by some laws nickel free could mean that is has very low contents of nickel in it, that normally would not affect you unless you had an extreme allergy to nickel . (factbites.com)
  • If you already have a known nickel allergy there is a chance the jewelry you were wearing had a low enough content of nickel in it that it did not cause a reaction before. (factbites.com)
  • Your doctor can usually diagnose nickel allergy based on your skin's appearance, and a recent exposure to items that may contain nickel. (mayoclinic.org)
  • If you have a nickel allergy, the skin under the nickel patch will be inflamed when the patch is removed or in the days after removal of the patch. (mayoclinic.org)
  • There's no cure for nickel allergy. (mayoclinic.org)
  • It can take months for phototherapy to have an effect on a nickel allergy reaction. (mayoclinic.org)
  • You may use some of the following treatments at home to treat contact dermatitis due to nickel allergy. (mayoclinic.org)
  • You're likely to see your family doctor first if you're experiencing an itchy rash that may be related to nickel allergy. (mayoclinic.org)
  • Nanodiamond material specialist Carbodeon of Finland has worked with metal finishing specialist CCT Plating of Germany, to develop a new electroless nickel, PTFE and nanodiamond composite coating. (sme.org)
  • Electroless nickel-PTFE (EN-PTFE) coatings provide excellent anti-adhesive and low friction properties but are traditionally soft and wear quickly in abrasive conditions. (sme.org)
  • The nanomaterial for the process can be obtained from Carbodeon for addition to existing electroless nickel-PTFE systems. (sme.org)
  • Nickel is found in all soil and is emitted from volcanoes. (cdc.gov)
  • Nickel Creek era formado por três membros, Chris Thile no bandolim , Sara Watkins no violino e o irmão dela Sean Watkins na guitarra . (wikipedia.org)
  • This Side , Nickel Creek 's sophomore release, finds bandmembers Chris Thile , Sara Watkins , and Sean Watkins out of their teens and into their twenties after playing together for 12 years. (allmusic.com)
  • Nickel Creek mandolin whiz Chris Thile has a theory about performing live, about making the trio's time on stage something extraordinary to set it apart from the rest of the day. (calvin.edu)
  • From Nickel Creek-Chris Thile, Sara Watkins, Sean Watkins- A Dotted Line was produced by Eric Valentine and includes six new co-written songs, one tune by Thile, one by Sean Watkins, and two covers. (nonesuch.com)
  • Nickel Creek-Chris Thile, Sara Watkins, and Sean Watkins-taped its Austin City Limits set in August during the band's 25th anniversary tour, celebrating the release of its Nonesuch Records debut album, A Dotted Line . (nonesuch.com)
  • Exposure to nickel may lead to cancer. (cdc.gov)
  • Workers may be harmed from exposure to nickel. (cdc.gov)
  • The following resources provide information about occupational exposure to nickel. (cdc.gov)
  • By eating food containing nickel, which is the major source of exposure for most people. (cdc.gov)
  • Higher exposure may occur if you work in industries that process or use nickel. (cdc.gov)
  • Less frequently, some people who are sensitive to nickel have asthma attacks following exposure to nickel. (cdc.gov)
  • This public health statement tells you about nickel and the effects of exposure to it. (cdc.gov)
  • This information is important because these sites may be sources of exposure and exposure to nickel may harm you. (cdc.gov)
  • Food is the major source of exposure to nickel. (cdc.gov)
  • Nickel exposure is commonly evidenced by contact dermatitis. (labcorp.com)
  • 1 Nickel exposure may also affect pulmonary tissues, as seen by x-ray. (labcorp.com)
  • Importance of geomechanics to lateritic nickel heap leaching (presentation) (2013) Fredlund, Delwyn G. (infomine.com)
  • Overall, nickel demand rose 5.5% world-wide in January, according to the International Nickel Study Group in Lisbon. (wsj.com)
  • Useful search terms for nickel include "elemental nickel," and " nickel catalyst. (cdc.gov)
  • NIOSHTIC-2 search results for nickel -NIOSHTIC-2 is a searchable database of worker safety and health publications, documents, grant reports, and journal articles supported in whole or in part by NIOSH. (cdc.gov)
  • Don't wait, have a look at our vacation rentals via our search bar and be ready for your next trip near Nickel Beach! (vrbo.com)
  • Nickel sulfide ores are concentrated by the flotation process, then smelted or roasted to partially convert them to the oxide form, and further treated in a Bessemer converter to form a matte. (factbites.com)
  • About 9% of world nickel production is still used for corrosion-resistant nickel plating. (wikipedia.org)
  • Watts nickel plating baths can deposit both bright and semi-bright nickel. (wikipedia.org)
  • Carrier brighteners contain sulfur providing uniform fine grain structure of the nickel plating. (wikipedia.org)
  • Sulfamate nickel plating is used for many engineering applications. (wikipedia.org)
  • Black nickel plating is typically plated on brass, bronze, or steel in order to produce a non-reflective surface. (wikipedia.org)
  • 117-130) This invention relates .to improvements in the deposition of nickel from chemical reduction plating solutions and more particularly to the control and maintenance of such solutions. (google.com)
  • In addition to substantially pure nickel the principal products of the plating reaction are chlorides, soluble phosphites and an acid, the particular acid depending on the source of nickel employed. (google.com)
  • In the plating process, the diamond particles behave similarly to positively charged metal ions and together with the nickel and the PTFE material they co-deposit onto the component. (sme.org)
  • Cuba's National Minerals Resource Center says the country has around a third of the world's known nickel reserves. (reuters.com)
  • The deposits in tropical areas are typically laterites, which are produced by the intense weathering of ultramafic igneous rocks and the resulting secondary concentration of nickel-bearing oxide and silicate minerals . (newworldencyclopedia.org)
  • La classificació de Nickel-Strunz és un sistema de classificació fet servir universalment en mineralogia , que es basa en la composició química dels minerals . (wikipedia.org)
  • [1] Com a conservador del museu de minerals de la Friedrich-Wilhelms-Universität (denominada actualment com Universitat Humboldt de Berlín ), Strunz es va dedicar a ordenar la col·lecció geològica del mateix en funció de les propietats químiques i cristalogràfica dels exemplars. (wikipedia.org)
  • Even so, pure native nickel is found in Earth's crust only in tiny amounts, usually in ultramafic rocks , [4] [5] and in the interiors of larger nickel-iron meteorites that were not exposed to oxygen when outside Earth's atmosphere. (wikipedia.org)
  • Nickel is also found in meteorites and on the ocean floor. (cdc.gov)
  • One argument for this belief is the presence of nickel in meteorites. (encyclopedia.com)
  • Meteorites often contain a high percentage of nickel. (encyclopedia.com)
  • Iron and nickel are therefore the most abundant metals in metallic meteorites and in the dense-metal cores of planets such as Earth. (newworldencyclopedia.org)
  • All-Chloride solutions allow for the deposition of thick nickel coatings. (wikipedia.org)
  • Nickel has heretofore been deposited from such an aqueous solution of nickel chloride and sodium hypophosphite or potassium hypophosphite. (google.com)
  • An iron-nickel mixture is thought to compose Earth's outer and inner cores . (wikipedia.org)
  • Nickel is thought to be much more abundant in the Earth's core. (encyclopedia.com)
  • Nickel combined with other elements occurs naturally in the earth's crust. (cdc.gov)
  • The earth's core is composed of 6% nickel. (cdc.gov)
  • Based on geophysical evidence, most of the nickel on Earth is postulated to be concentrated in the Earth's core . (newworldencyclopedia.org)
  • Russia is the world's largest producer of nickel Other major nickel producers are Canada (183,059 tons in 1996), New Caledonia (142,200 tons), Australia (113,134 tons), and Indonesia (90,000 tons). (encyclopedia.com)
  • The most common harmful health effect of nickel in humans is an allergic reaction. (cdc.gov)
  • Once a person is sensitized to nickel, further contact with the metal may produce a reaction. (cdc.gov)
  • The only way to prevent an allergic reaction is to avoid contact with products containing nickel. (medicalnewstoday.com)
  • An allergic reaction usually occurs within 24-48 hours of contact with nickel. (medicalnewstoday.com)
  • Often, the reaction will only affect the area of skin that touched the item containing nickel. (medicalnewstoday.com)
  • If an allergic reaction to nickel is very severe, it can cause inflammation of the nasal passages or an asthma attack. (medicalnewstoday.com)
  • Hairdressers may have an allergic reaction if they use nickel-plated scissors. (medicalnewstoday.com)
  • This year we should produce more than 50,000 tonnes of nickel," the director of Cubaniquel, Eder Manuel Olivero Garcel, told state-run television on Wednesday. (reuters.com)
  • On-warrant nickel stocks fell by 7,302 tonnes to 246,504 tonnes. (reuters.com)
  • EV DEMAND: Wood Mackenzie analysts estimate nickel demand in electric vehicle (EV) batteries will rise to about 220,000 tonnes in 2025 from about 40,000 tonnes last year. (reuters.com)
  • The controversy began when mining minister Milan Bacevic announced earlier this month that Mokra Gora - a 10,813-square-kilometre state-protected national park - and other areas in central Serbia contain more than four million tonnes of nickel deposits. (globalissues.org)
  • Rusal's co-owner Viktor Vekselberg has no doubt that the merger of the aluminum giant with Norilsk Nickel will succeed. (rt.com)
  • Russia's largest aluminum producer Rusal is well-known for its aggressive acquisition strategy and is now aiming to merge with metals giant Norilsk Nickel. (rt.com)
  • But a 25-per-cent stake in Norilsk Nickel is not enough to complete a merger, and Rusal is now looking to take Vladimir Potanin's 30-per-cent stake. (rt.com)
  • Market watchers say the Kremlin, which has an informal voice in big deals, hasn't indicated whether it would prefer Rusal and Norilsk Nickel to merge, leaving Deripaska and Potanin the chance to resolve the matter without political pressure. (rt.com)
  • REUTERS) -- Russian miner Norilsk Nickel is expecting to reduce production this year to adapt to a slight fall in global metals demand, its CEO said on Thursday, but does not see a slump into another global economic crisis. (ibtimes.com)
  • The new short-term offtake agreement with ITH and the existing offtake arrangement with Norilsk Nickel Harjavalta Oy (Norilsk) means that all production to 31 December 2014 is supported by executed offtake agreements. (newswire.ca)
  • The Company expects to commence a full tender process in Q3 of calendar year 2014 to secure a long-term offtake agreement for approximately 50% of production from 1 January 2015 onwards (with the balance of production to be sold to Norilsk continuing until a cumulative total of 66,500t of nickel in concentrate has been delivered). (newswire.ca)
  • Photos of the Russian town of Norilsk, where almost a century of nickel exploitation has created a wasteland, flooded Serbian papers and news sites this month. (globalissues.org)
  • Government-appointed liquidators of Queensland Nickel are trying to claw back about $200 million owed to creditors after it shut down in early 2016. (news.com.au)
  • its chief ores are pentlandite and pyrrhotite (nickel-iron sulfides) and garnierite (nickel-magnesium silicate). (factbites.com)
  • Most nickel is used to make stainless steel. (cdc.gov)
  • Laser cut on my own machine in my studio in Yorkshire, these heart shaped earrings are cut from glossy hot pink acrylic and fixed to stainless steel earring backs which are nickel free for sensitive ears. (etsy.com)
  • Nickel, mainly used in stainless steel, rallied to a two-year high this month on its expected use in electric vehicles, but prices have since pulled back because of high inventories. (reuters.com)
  • But one early 2010 move by Stratton Metals Ltd. helped set in motion an unexpected surge in the price of nickel, a metal used to make stainless steel. (wsj.com)
  • And because stainless-steel makers are the main users of nickel, the nickel rally has ricocheted back to stainless-steel makers, as manufacturers in the U.S., Europe and Asia have increased prices in recent weeks. (wsj.com)
  • A.K. Steel Corp. , of West Chester, Ohio, increased the nickel surcharge by nearly 16% for many stainless-steel grades for April delivery, compared with January. (wsj.com)
  • The largest single deposit of nickel is located at Sudbury Basin, Ontario , Canada. (encyclopedia.com)
  • Pure nickel, powdered to maximize the reactive surface area , shows a significant chemical activity, but larger pieces are slow to react with air under standard conditions because an oxide layer forms on the surface and prevents further corrosion ( passivation ). (wikipedia.org)
  • If you work in an industry that uses nickel, please read chemical labels and the accompanying Safety Data Sheets for hazard information. (cdc.gov)
  • Nickel chromium tubing offers high-temperature oxidation and corrosion resistance in steam generators, chemical and food processing, electronic component applications, and in thermocouple protection tubing. (grainger.com)
  • As a compound, nickel has a number of niche chemical manufacturing uses, such as a catalyst for hydrogenation, cathodes for batteries, pigments and metal surface treatments. (wikipedia.org)
  • I did it with good old-fashioned nickels and dimes. (kiplinger.com)
  • 8000. My response: That's a lot of nickels and dimes. (metafilter.com)
  • The nickel anode is dissolved into the electrolyte to form nickel ions . (wikipedia.org)
  • The catalyst is prepared by coprecipitating nickel and silicate ions in the presence of a porous silica support under conditions of dilution that favor high surface areas and low inclusion of sodium in the catalyst. (google.com)
  • Excessive nickel in tissues is pro-oxidant (damaging chromosomes and other cell components) and alters hormone and enzyme activities, movement of ions through membranes, and immune function. (factbites.com)
  • Semi-bright deposits are used for engineering nickel where a high luster is not desired. (wikipedia.org)
  • Since optimum nickel deposits gen erally are obtained at a pH within the range of about 4 to 6, it is necessary to periodically adjust the pH which would otherwise be reduced by the gradual accumulation in the bath of by-product acid. (google.com)
  • Other major deposits of nickel are found in New Caledonia , Australia , Cuba , and Indonesia . (newworldencyclopedia.org)
  • Nickel is slowly oxidized by air at room temperature and is considered corrosion-resistant. (wikipedia.org)
  • By skin contact with soil, bath or shower water, or metals containing nickel, as well as by handling coins or touching jewelry containing nickel. (cdc.gov)
  • Swedish mineralogist Axel Fredrik Cronstedt (1722-65) was the first person to realize that nickel was a new element. (encyclopedia.com)
  • Nickel Creek foi um trio de música norte-americano formado no Condado de San Diego , Califórnia em 1989 . (wikipedia.org)
  • [ 4 ] Nickel Creek fez covers de artistas como Weezer , Radiohead , Pavement , Coldplay , Elliott Smith , Bob Dylan , Jackson Five e Britney Spears . (wikipedia.org)
  • But This Side solidifies Nickel Creek 's position as the single most original and inventive bluegrass band to emerge in the early '00s. (allmusic.com)
  • But, when it comes down to it, the gorgeous, open production by Alison Krauss gives Nickel Creek 's guitars, mandolins, and fiddles the space to dance through sparkling and genuine arrangements. (allmusic.com)
  • But Nickel Creek 's music is endlessly rewarding nonetheless, and accessible to just about everyone. (allmusic.com)
  • The signature Nickel Creek blend comes across loud and clear. (nonesuch.com)
  • Nickel Creek-Thile, Sara Watkins, and Sean Watkins-reunited to perform "21st of May" and Sam Phillips's "Where Is Love Now? (nonesuch.com)
  • Nickel Creek helped kick off the second half of the milestone 40th season of Austin City Limits when the band's set aired on PBS this past weekend, on a double bill with The Avett Brothers. (nonesuch.com)
  • The year 2014 marks 25 years since the formation of the Grammy Award winning roots-music trio Nickel Creek, dormant since 2007. (nonesuch.com)
  • After the close of their Farewell (For Now) tour in 2007, which culminated at the Ryman Auditorium in Nashville, Nickel Creek was not actually contemplating a break-up, as many in its large fan-base feared. (nonesuch.com)
  • Sara and Chris were merely eight years old when they and the 12 year-old Sean played their first gig as Nickel Creek at a San Diego pizza parlor, having been brought together by a mutual music teacher. (nonesuch.com)
  • Nickel released in industrial waste-water ends up in soil or sediment where it strongly attaches to particles containing iron or manganese. (cdc.gov)
  • The nickel that comes out of the stacks of power plants attaches to small particles of dust that settle to the ground or are taken out of the air in rain or snow. (cdc.gov)
  • If the nickel is attached to very small particles, it can take more than a month to settle out of the air. (cdc.gov)
  • Nickel-silica catalysts supported on porous silica particles such as kieselguhr, infusorial, diatomaceous, or siliceous earth are known in the art and have been used widely for hydrogenation reactions. (google.com)
  • By adding NanoDiamond particles to the EN-PTFE coating, Carbodeon has been able to improve the abrasive wear resistance of these coatings without compromising the sliding or release properties. (sme.org)
  • It is known that nickel and certain other metals can be deposited on a metallic article by immersion of the article in an aqueous solution of a salt of the metal to be deposited and a reducing agent such as sodium hypophosphite or potassium hypophosphite. (google.com)
  • The nickel-hydrogen battery exhibits an energy density of ∼140 Wh kg −1 in aqueous electrolyte and excellent rechargeability without capacity decay over 1,500 cycles. (pnas.org)
  • Nickel electroplating is a technique of electroplating a thin layer of nickel onto a metal object. (wikipedia.org)
  • Nickel electroplating is a process of depositing nickel onto a metal part. (wikipedia.org)
  • Since then, nickel has become a very valuable metal. (encyclopedia.com)
  • Nickel is classified as a transition metal. (encyclopedia.com)
  • Turn the soldering torch to a small flame, and move it over the nickel silver piece in a steady motion, heating up the metal evenly. (ehow.com)
  • In the laboratory, nickel is frequently used as a catalyst for hydrogenation, most often using Raney nickel, a finely divided form of the metal. (newworldencyclopedia.org)
  • Nickel is a ubiquitous trace metal and occurs in soil, water, air, and in the biosphere. (factbites.com)
  • Stratton, a major nickel dealer in London, pulled about 4,000 tons of the metal from warehouses to feed demand from its steelmaker customers in the first months of 2010. (wsj.com)
  • Yet between Feb. 1 and Feb. 12, the volume of nickel requested from warehouses nearly quintupled, according to data at the London Metal Exchange, the main trading venue for nickel. (wsj.com)
  • Nickel-plated metal provides an attractive finish--when it is clean and free of tarnish. (ehow.com)
  • Nickel-plated metal was a popular choice in the past for decorative trim on items like wood stoves and other pieces that would be considered antiques today. (ehow.com)
  • If you have some old nickel-plated metal that needs attention, use a method that has proven to be successful in restoring nickel-plated metal to its original, shiny finish. (ehow.com)
  • Rub a non-abrasive metal or chrome polish, such as Simonize, on the nickel-plated finish. (ehow.com)
  • Solid metal construction finished in Polished Nickel. (williams-sonoma.com)
  • Once you develop a sensitivity to nickel, you'll develop a rash (contact dermatitis) whenever you come into contact with the metal. (mayoclinic.org)
  • Nickel is a very abundant natural element. (cdc.gov)
  • Nickel is the 24th most abundant element. (cdc.gov)
  • Nickel free does not guarantee that there is a 0% content of nickel , it only guarantee's a low enough content that most will not react to it. (factbites.com)
  • Nickel free cupronickel features perfect elasticity and corrosion resistance with its release of nickel content higher than the international standard. (hannovermesse.de)
  • According to Jovic, major nickel producers like Canada have introduced sophisticated methods for nickel extraction, but such facilities "are not (possible) in densely populated areas like the ones in Serbia, which are surrounded by highly developed agricultural lands. (globalissues.org)