TY - JOUR. T1 - Efficacy of the Za Self-Expandable Metal Stent for Palliation of Malignant Biliary Obstruction. AU - Varadarajulu, Shyam. AU - Tutuian, Radu. AU - Gostout, Christopher. AU - Kozarek, Richard. AU - Wilcox, C. Mel. AU - Cotton, Peter B.. PY - 2004/1. Y1 - 2004/1. N2 - Background: The efficacy and safety of the uncoated self-expandable Za metal stent for palliation of malignant distal biliary obstruction was prospectively analyzed. Methods: Twenty-one patients with unresectable malignant tumors involving mid to distal common bile duct who presented with obstructive jaundice underwent endoscopic implantation of an uncoated self-expandable metal stent. Technical success with stent placement, adverse events, patient survival, duration of stent patency, and device performance were analyzed. Results: Endoscopic biliary stenting was successful in all patients. No adverse events were encountered. The mean follow-up period of the 21 patients was 128 days (range, 3-263): 14 died of ...
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Before Its News). Metal can packaging refers to containers made from materials such as steel and aluminium that are used for the storage and distribution of goods such as food, beverages, oil, and chemicals. Such packaging is usually made out of materials such as steel and aluminium.. Consumers prefer metal cans compared to other traditional packaging materials because of benefits such as long shelf life, recyclability, UV resistance, excellent printability, and moisture and bacterial protection. It also has the ability to retain flavour.. The Food and Beverage Metal Can Market 2016-2020 report covers the present scenario and the growth prospects of the Food and Beverage Metal Can Market 2016-2020 for 2016-2020. To calculate the market size, the report considers both the direct revenue and the indirect revenue of the vendors.. The report provides a basic overview of the Food and Beverage Metal Can Market 2016-2020 including definitions, classifications, applications and market Sales chain ...
Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life. Some metals are toxic when they form poisonous soluble compounds. Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain form. In the case of lead, any measurable amount may have negative health effects. Often heavy metals are thought as synonymous, but lighter metals may also be toxic in certain circumstances, such as beryllium and lithium. Not all heavy metals are particularly toxic, and some are essential, such as iron. The definition may also include trace elements when in abnormally high doses may be toxic. An option for treatment of metal poisoning may be chelation therapy, which is a technique which involves the administration of chelation agents to remove metals from the body. Toxic metals sometimes imitate the action of an essential element in the body, interfering with the metabolic process resulting in illness. Many metals, ...
KS3 Chemistry 9E Metals and Metal Compounds 1 of 20 32 В© Boardworks Ltd 2005 2004 Contents 9E Metals and Metal Compounds Metals and non-metals Metals and acids Metal compounds and acids Symbol equations Summary activities 1 2 of 20 32 В© Boardworks Ltd 2005 2004 Metal or non-metal? Is this element a metal or a non-metal ? Hard to say! H He Li Be B C N O F Ne iron (Fe) antimony (Sb) iodine (I) copper (Cu) phosphorus (P) sulfur (S)(Mg) magnesium Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Rf Db Sg Bh Hs Mt ? ? ? 1 3 of 20 32 В© Boardworks Ltd 2005 2004 Metals and non-metals in the periodic table The periodic table is a list of all the known elements which are arranged according to the similarities in their properties. Non-metals are Metals are on the mostly on the right. left and in the centre. Xe What type of elements are between metals and ...
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Heterogeneous metal catalysts rather than homogeneous ones are recommended for industrial applications after considering their performance in activity, separation, and recycling [1]. The recycling of metal catalysts is important from economic and environmental points of view. When supported and bulk metal catalysts are used in liquid-phase organic reactions, there is a possibility that active metal species are leaching away into the liquid phases [2,3]. The metal leaching would make it difficult for the catalysts to maintain their desired initial performance for repeated batch reactions and during continuous ones. The metal leaching would also cause some undesired contamination of products by the metal species dissolved in the reaction mixture, and the separation of the metal contaminants would be required to purify the products. Therefore, various novel methods have been proposed so far to immobilize/stabilize the active metal species and to separate/collect/reuse the dissolved metal species [4]. In
Published December 16 2013. Toxins can have a big impact on ones health, and while there are many different toxins out there, in this article Im going to focus on the toxic metals. Ill be using the terms "toxic metals" and "heavy metals" interchangeably throughout this article. Although any heavy metal can cause damage in excess (i.e. iron or copper), the focus of this article will be on those heavy metals which are toxic even in smaller amounts. There are numerous toxic metals, but Im mainly going to talk about mercury, cadmium, aluminum, lead, and arsenic. Not all of these toxic metals directly affect thyroid health, but this of course doesnt mean they wont have a negative impact on ones overall health.. Just as is the case with other toxins, nobody is going to be able to completely eliminate all of the toxic metals from their body. Just about everyone has mercury, cadmium, arsenic, and other metals stored in their tissues. Some people have small amounts of these toxins, while other ...
A method for improving the electrical conductivity of a substrate of metal, metal alloy or metal oxide comprising depositing a small or minor amount of metal or metals from Group VIIIA metals (Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt) or from Group IA metals (Cu, Ag, Au) on a substrate of metal, metal alloys and/or metal oxide from Group IVA metals (Ti, Zr, Hf), Group VA metals (V, Nb, Ta), Group VIA metals (Cr, Mo, W) and Al, Mn, Ni and Cu. The native oxide layer of the substrate is changed from electrically insulating to electrically conductive. The step of depositing is carried out by a low temperature arc vapor deposition process. The deposition may be performed on either treated or untreated substrate. The substrate with native oxide layer made electrically conductive is useable in the manufacture of electrodes for devices such as capacitors and batteries.
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VII. Total Energetic Requirements to Induce the Glass Transition via Consideration of the First-Shell Coordination Sphere in Transition Metal and Lanthanide Complexes. VIII. Summary. IX. Acknowledgments. X. References. 2. Metal Oxide Clusters as Building Blocks for Inorganic-Organic Hybrid Polymers (Ulrich Schubert). I. Introduction. II. Synthesis of Organically Modified Transition Metal Oxide Clusters. III. Synthesis and Structural Characterization of the Cluster-Reinforced Polymers. IV. Properties of the Cluster-Based Hybrid Polymers. V. Summary. VI. Acknowledgments. VII. References. 3. Metal-Containing Polydyes (Charles E. Carraher). I. Introduction. II. Group IVB-Containing Polydyes. III. Ruthenium-Containing Polydyes. IV. Hematoporphyrin-Containing Polydyes. V. Summary/VI. References. 4. Metallopolymer Nanocomposite-Macromulecular Metallocomplexes as Precursors for Polymers, Polymer Inorganics, and Bionanocomposites (A. D. Po,ogailo). I. Introduction. II. General Characteristics, ...
The invention is directed to a particular class of metal complexes, specifically certain texaphyrin metal complexes, which both hydrolyze and photocleave RNA, and which also both hydrolyze RNA and photocleave DNA. In one embodiment, the present invention is directed to a method for both hydrolyzing and photocleaving a polymer of ribonucleic acid, the method comprising the steps of contacting the polymer of ribonucleic acid with a texaphyrin metal complex exhibiting catalytic activity for both hydrolysis and photocleavage of ribonucleic acid polymers, incubating the polymer and the metal complex under conditions and for a time sufficient to hydrolyze the phosphate ester bond of the polymer, and exposing the texaphyrin metal complex to light for a time sufficient to photocleave the polymer. In another embodiment of the present invention, the invention is directed to a method for both hydrolyzing a polymer of ribonucleic acid and photocleaving a polymer of deoxyribonucleic acid, the method comprising the
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The invention generally relates to systems and methods for producing metal clusters; functionalized surfaces; and droplets including solvated metal ions. In certain aspects, the invention provides methods that involve providing a metal and a solvent. The methods additionally involve applying voltage to the solvated metal to thereby produce solvent droplets including ions of the metal containing compound, and directing the solvent droplets including the metal ions to a target. In certain embodiments, once at the target, the metal ions can react directly or catalyze reactions.
There is no metallurgical standard for pot metal. Common metals in pot metal include zinc, lead, copper, tin, magnesium, aluminium, iron, and cadmium. The primary advantage of pot metal is that it is quick and easy to cast. Because of its low melting temperature, it requires no sophisticated foundry equipment or specialized molds. Manufacturers sometimes use it to experiment with molds and ideas (e.g., prototypes) before casting final products in a higher quality alloy. Depending on the exact metals "thrown into the pot," pot metal can become unstable over time, as it has a tendency to bend, distort, crack, shatter, and pit with age. The low boiling point of zinc and fast cooling of newly cast parts often trap air bubbles within the cast part, weakening it. Many components common in pot metal are susceptible to corrosion from airborne acids and other contaminants, and internal corrosion of the metal often causes decorative plating to flake off.[citation needed] Pot metal is not easily glued, ...
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Access Report Details @ https://www.marketresearchfuture.com/reports/metal-cans-market. Market Research Analysis:. The market is highly application based. Food & beverage globally drive the market due to rising disposable income and changing lifestyles. The market is expected to have higher growth rate as compared to the previous years. On the basis of material, Aluminum accounted for the largest market share. Asian countries, especially India, China and Japan expected to grow fast over the forecasted period due to large population base, increasing demand for processed food & beverages and the growing consumer market. However, North-America is the largest region for the metal cans market and is expected to grow at a steady rate.. Scope of the Report:. This study provides an overview of the global metal cans market, tracking three market segments across four geographic regions. The report studies key players, providing a five-year annual trend analysis that highlights market size, volume and ...
The paper from the British edition of the Journal of Bone and Joint Surgery gives some details comparing metal on ceramic and metal on metal bearings: A...
Metals such as mercury, arsenic, copper and silver have been used in various forms as antimicrobials for thousands of years with until recently, little understanding of their mode of action. The discovery of antibiotics and new organic antimicrobial compounds during the twentieth century saw a general decline in the clinical use of antimicrobial metal compounds, with the exception of the rediscovery of the use of silver for burns treatments and niche uses for other metal compounds. Antibiotics and new antimicrobials were regarded as being safer for the patient and more effective than the metal-based compounds they supplanted. Bacterial metal ion resistances were first discovered in the second half of the twentieth century. The detailed mechanisms of resistance have now been characterized in a wide range of bacteria. As the use of antimicrobial metals is limited, it is legitimate to ask: are antimicrobial metal resistances in pathogenic and commensal bacteria important now? This review details ...
Investment Grade Molybdenum. Commodities are physical substances like grains, food and metals. An investment is the purchase of a financial product or other item of value with the expectation of favorable returns in the future.. Well, I prefer metals for preservation of my wealth. The question is what metal would you pick to preserve your wealth? Now the next thing to keep in mind is not to be biased in any way. That is, to buy a certain metal because someone tells you to, or to buy a certain metal because it is on an upward price trend or buy a metal because you read an interesting article on it.. #1 on my shopping list. I look at is a the ability of a metal to actually promote or enable life of plants and animals on this planet. This means that you can actually grow food with it or grow trees. You can actually use the metal by sprinkling the powderized form on your soil and let the microbes in the soil slowly break down the metal and make it available for the plants to consume. Hydroponic or ...
Metal surface at the quantum level. This depiction of a metal surface is obtained by applying the Helium-3 spin-echo technique. This technique requires firing a beam of polarised 3He atoms towards the surface of the metal so that the energy changes during scattering can be measured. Here, the metal can be seen as a lattice of positive metal ions (blue) in a sea of electrons (red). Th spin-echo technique can record measurements on the sub-nanometre and nanosecond scales, and the results built up digitally to reveal a three-dimensional image of the surface. - Stock Image A150/0480
Metal compilations have been pumped out in extraordinary numbers since around 1980, but few are worth paying for and listening to regularly. K-Tel put out a comp of mainstream metal called Masters of Metal, a pointless collection of stuff you could find at any Kmart store: KISS, Scorpions, Y&T. This comp was absolutely everywhere, and similar cash-grabs followed: among the slew were New Metal Monsters (Mr. Big, Enuff Znuff) and Metal Masters (Pat Travers is a metal master?).. Independents like Metal Blade did something similar, with more useful results: the three-part Best of Metal Blade series was a necessary buying guide, helpful in sorting through the masses of releases coming out at the time (and it helped you stay away from junk like Krank). The release of compilation series continued into the 90s and 2000s, some worthwhile, others not at all. And then theres Nuclear Blasts all-ballads Metal Dreams series. Dont get me started on that one.. Due to the amount of junky comps, ...
A powdered metal assembly includes a mechanical part, a powdered metal part and a fastener configured to join the mechanical part and the powdered metal part. In another aspect of the disclosure, a method for manufacturing a powdered metal assembly may include the steps of positioning the mechanical part in a forming apparatus, providing a powdered metal into the forming apparatus, compressing the powdered metal to form and bond a powdered metal part to the mechanical part to form the powdered metal assembly, and removing the powdered metal assembly from the forming apparatus.
4.1.2.1 For facilities melting more than one of the metals listed in Table 1, eligibility for exemption shall be determined using the following calculation:. For each metal listed in Table 1, divide the quantity melted by the specific exemption limit listed.. Sum the resulting fractions for all the metals.. If the sum does not exceed 1.0, the facility qualifies for the exemption under subsection 4.1.. 4.2 Metal or Alloy Purity Exemption. Facilities or furnaces which do not melt scrap except clean aluminum scrap and which melt a metal or alloy (other than the metals listed in Table 1) which is shown by the facility operator to have a content of no more than 0.004% of cadmium and no more than 0.002% of arsenic are exempt from subsections 5.1, 5.2, & 5.3. A facility granted an exemption under subsection 4.1.2 may also be granted exemption for all metals that meet the purity limits in this subsection.. 4.3 Clean Aluminum Scrap Exemption. Furnaces used exclusively to process clean aluminum scrap or a ...
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(PRWEB) November 09, 2012 -- The US Drug Watchdog is calling the US metal on metal hip implant fiasco the largest medical device failure in US history
Metal Organic Frameworks (MOFs) are a class of porous material, in which metal nodes are connected using organic linkers. The properties of MOFs are highly tunable due to the combination of nodes and linkers available. Additionally, individual metal atoms on the nodes can be exchanged and exposed to create tailored open metal sites, thus resulting in a well-defined binding site immobilized on a support with controllable pore size. In this work, we investigate the reactivity of this site in a combination of density functional theory (DFT) calculations and experimental validation, focusing on the adsorption energy of gases in metal-exchanged MOFs. Here, we focus on the application of open metal sites in MOFs in the separation of ethane/ethylene and propane/propylene via selective adsorption of alkenes over alkanes.. We have calculated the binding energies for a variety of adsorbates (C2H4, C2H6, C3H6, C3H8, CO2, CH4, H2, N2, CO) in order to model the reactivity of the open metal site. Since DFT ...
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Im andrew and I can growl. Metal is my life. I live, breathe, eat, and shit metal. Be it black metal, power metal, thrash metal, progressive metal, death metal, or whatever, Ill listen to it. I am not a big fan of deathcore or folk metal though, although there are some good bands in those genres as well ...
Christian metal is one of the best forms of music and it also has more categories in it than any other music (ex. thrash metal, doom metal, power metal, death metal etc.)  With all of these types of metal, it was very difficult to make a list that is solid.  This list will cover many types of metal and different bands of course!  Here are my personal favorite 10 Christian metal songs ever!  Enjoy!
Infrared multiple-photon dissociation (IRMPD) spectroscopy was used to probe the conformations of gas-phase metal-ion complexes between a series of five metal ions and six small peptide ligands. This report is presented in recognition and tribute for the Armentrout groups long and hugely productive interest in metal-ion binding to gas-phase ligands. The metal ions (K+, Ba2+, Ca2+, Mg2+, Ni2+) span a range of ligand binding strengths, and the ligands include several dipeptides and tripeptides, and one tetrapeptide. The weaker metal ions generally form charge-solvated (CS) complexes binding amide carbonyl oxygen, while the strongest metal ion, nickel, deprotonates the amide nitrogens, probably through iminol tautomerization, and binds to the amide nitrogens. The Amide II vibrational mode (1500-1550 cm−1) is found to be an excellent marker for the presence or absence of protons on amide nitrogens in a complex. The magnesium ion marks a boundary between these two structural motifs, forming iminol ...
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Examples of hydrated salts are described and water of crystallisation explained. The reason why many salts of metals do not dissolve to give neutral solutions i.e. many are acidic because hexa-aqua ions of transition metals and other metals like aluminium behave as Bronsted Lowry acids in a process sometimes described as salt hydrolysis. The effect of ion charge and the ionic radius on the acidity of the hydrated ions is described and explained by considering the polarising power of the central metal ion.
The major health hazards related to welding and cutting are a consequence of the inhalation of metal fumes generated during welding and cutting. The type and severity of the health effects that result from inhalation of metal fumes depends on the specific metals involved, the concentration of the metal fumes in the air, the frequency of exposure, and the length of exposure.. Other health hazards associated with welding and cutting result from exposure to the ultraviolet radiation that is emitted during the welding process. Lack of appropriate skin and eye protection can result in reddening of the skin and photokeratitis (also known as "flash burn" or "welders eye").. Regarding physical hazards, welding, cutting and brazing operations can pose a significant ignition source for flammable vapors. Therefore, hot work must never be conducted in a flammable atmosphere or in close proximity to flammable liquids, or on metal containers that have been used to contain flammable and combustible liquids ...
A method of forming a therapeutic or diagnostic agent labeled with a radioactive metal ion, which comprises: contacting an unlabeled therapeutic or diagnostic agent, consisting of a substantially non-metal chelating portion and a chelating portion capable of chelating with the radioactive metal ion, with an ion transfer material having the radioactive metal ion bound thereto and having a binding affinity for the radioactive metal less than the binding affinity of the chelating portion for the radioactive metal ion, wherein prior to contacting the chelating portion is unchelated or is chelated with a second metal having a binding affinity with the chelating portion less than the binding affinity of the radioactive metal ion, whereby a radiolabeled therapeutic or diagnostic agent is formed by the contacting, and separating the radiolabeled therapeutic or diagnostic agent from the ion transfer material, is disclosed along with various components and kits useful in practicing this method and several
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A system and method for compressing scrap metal. The scrap metal is compressed in a portable container. The container rests on two scales that rest above the ground surface. The fullness of the container is primarily evaluated based on the weight of the container. The scrap metal is initially delivered to a static compactor to which the container is mated. The compactor includes a ram that forces the scrap metal into and compresses the scrap metal in the container. The weight of the container is continually monitored while the container is mated to the compactor. The actuation of the ram is controlled so that, as the amount of scrap metal in the container increases, the frequency with which the ram is actuated increases. After the volume of scrap metal in the container increases above a certain level, each actuation of the ram actual comprises running the ram through plural extension and retraction cycles. The weight of the container is employed as the primary variable upon which the fullness of the ram
Looking for antifriction metal? Find out information about antifriction metal. see Babbitt metal Babbitt metal, an antifriction metal first produced by Isaac Babbitt in 1839. In present-day usage the term is applied to a whole class of... Explanation of antifriction metal
We have investigated the potential of metal-organic frameworks for immobilising single atoms of transition metals using a model system of Pd supported on NH2-MIL-101(Cr). Our transmission electron microscopy and in situ Raman spectroscopy results give evidence for the first time that functionalised metal-org
Fungal biomass provides a metal sink, either by metal biosorption to biomass (cell walls, pigments, and extracellular polysaccharides), intracellular accumulation, and sequestration, or by precipitation of metal compounds onto and/or around hyphae. Fungi are effective biosorbents for a variety of metals, including Ni, Zn, Ag, Cu, Cd, and Pb and this can be an important passive process in both living and dead biomass. The presence ofchitin, and pigments like melanin, strongly influences the ability of fungi to act as sorbents. In a biotechnological context, fungi and their byproducts have received considerable attention as biosorbent materials for metals and radionuclides.. Fungi can precipitate several inorganic and organic compounds, for example, oxalates, oxides, and carbonates and this can lead to formation of biogenic minerals (myco-genic precipitates) as discussed previously. Precipitation, including crystallization, immobilizes metals but also leads to release of nutrients like sulfate and ...
Pentazolate is the ultimate all-nitrogen, inorganic member of the azolate series of aromatic 5-membered ring anions. As an azolate ligand, it has the potential to form open framework structures with metal ions, that would be inorganic analogues of azolate metal-organic frameworks formed by its congeners. How 2018 International Open Access Week Collection
Overview:. Not only are metals essential to human health, they also play a vital role in virtually every aspect of everyday life through their use in energy and electricity systems, packaging, transportation, consumer goods, and much more. By volume, metals and metal compounds represent the vast majority of marketed chemical substances. Consideration of how these essential materials can and should be regulated under U.S. and international laws is often misunderstood. And metals unique physical and chemical characteristics can be inappropriately regulated in ways that result in restrictions disproportionate to their real or potential risk. Excess or inexact regulation can hamper important developments across industries -- from medical to IT. It is critical that regulatory systems recognize the unique physical and chemical properties of metal and metal substances, which are very different than organic chemicals, and adopt risk assessment and risk management schemes that appropriately reflect ...
The latest news and articles on metal analysis, metal science, and metallurgical analysis from the leader in serving science - Accelerating Science by Thermo Fisher.
Metal compounds such as arsenic, cadmium, chromium, cobalt, lead, mercury, and nickel are classified as carcinogens affecting human health through occupational and environmental exposure. However, the underlying mechanisms involved in tumor formation are not well clarified. Interference of metal homeostasis may result in oxidative stress which represents an imbalance between production of free radicals and the systems ability to readily detoxify reactive intermediates. This event consequently causes DNA damage, lipid peroxidation, protein modification, and possibly symptomatic effects for various diseases including cancer. This review discusses predominant modes of action and numerous molecular markers. Attention is paid to metal-induced generation of free radicals, the phenomenon of oxidative stress, damage to DNA, lipid, and proteins, responsive signal transduction pathways with major roles in cell growth and development, and roles of antioxidant enzymatic and DNA repair systems. Interaction of non
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Structure in complex chemistry begins with a focus on "coordination number," the number of ligands attached to the metal (more specifically, the number of σ-type bonds between ligand(s) and the central atom). Usually one can count the ligands attached but sometimes even the counting can become ambiguous. Coordination numbers are normally between two and nine, but large numbers of ligands are not uncommon. The number of bonds depends on the size, charge, and electron configuration of the metal ion. Most metal ions may have more than one coordination number. Typically the chemistry of complexes is dominated by interactions between s and p molecular orbitals of the ligands and the d (or f) orbitals of the metal ions. The s, p, and d orbitals of the metal give the possibility to allocate 18 electrons (see 18-Electron rule; for f-block elements this extends to 32 electrons). The maximum coordination number for a certain metal is thus related to the electronic configuration of the metal ion (more ...
There is a growing interest in new spin on metal oxide hard mask materials for advanced patterning solutions both in BEOL and FEOL processing. Understanding how these materials respond to plasma conditions may create a competitive advantage. In this study patterning development was done for two challenging FEOL applications where the traditional Si based films were replaced by EMD spin on metal oxides, which acted as highly selective hard masks. The biggest advantage of metal oxide hard masks for advanced patterning lays in the process window improvement at lower or similar cost compared to other existing solutions ...
Death metal é um subgênero extremo do heavy metal. Tipicamente agrega guitarras com baixa afinação muito distorcidas, tocadas com técnicas como palm muting e tremolo picking, vocais urrados e gritos, bateria tocada de maneira agressiva e potente com uso de pedal duplo ou técnica de blast beat, alguns teclados ou atonalidade, ritmo extremamente rápido e mudanças abruptas de tempo. As letras das músicas de death metal podem abordar temas como a violência de filmes slasher, religião, satanismo, ocultismo, histórias de terror de Lovecraft, natureza, misticismo, mitologia, filosofia, ficção científica e política, e também podem descrever atos extremos como mutilação, dissecação, tortura, estupro, canibalismo e necrofilia.[3][4] Construído a partir da estrutura musical do thrash metal e da primeira onda do black metal, o death metal surgiu em meados dos anos 1980.[5] Bandas como Venom, Celtic Frost, Slayer e Kreator foram importantes influências para a criação do gênero. ...
Buyken Metal Products of Kent, Washington is one of the strongest and most respected manufacturers of quality metal parts products in the northwest. Known for producing high quality sheet metal products, Buykens success is a result of its commitment to innovation and their investment in equipment. In fact, Buyken (www.buyken.com) has a long history of investing in the latest equipment, technology, and training so the company can stay at the forefront of all aspects of metal parts manufacturing.. Buyken was founded in 1939 and for over 70 years has been a leader in precision sheet metal forming, stamping, and fabrication. The metal products industry has changed over this long history to where lead times are getting shorter while customer demands are growing. And still, price gets the business. Buykens competitive advantage comes from dissecting their processes to search for the best way to build parts. The companys commitment to the highest standard of capital equipment allows them to respond ...
Contents of the 15 Chapter for This Metal Ladder Ring Packing Market Study:-. Chapter 1: to describe Global Metal Ladder Ring Packing Market Introduction, product scope, market overview, market opportunities, market risk, market driving force;. Chapter 2: to analyze the top manufacturers of Global Metal Ladder Ring Packing Market, with sales, revenue, and price of Global Metal Ladder Ring Packing Market, in 2016 and 2017;. Chapter 3: to display the competitive situation among the top manufacturers, with sales, revenue and market share in 2016 and 2017;. Chapter 4: to show the Global Metal Ladder Ring Packing market by regions, with sales, revenue and market share of Global Metal Ladder Ring Packing Market, for each region, from 2012 to 2017;. Chapter 5, 6, 7, 8 and 9: to analyze the key regions, with sales, revenue and market share by key countries in these regions;. Chapter 10 and 11: to show the market by type and application, with sales market share and growth rate by type, application, ...
The chemistry of the group 13 metals makes binding studies difficult, as careful control of pH and bicarbonate concentration is necessary to prevent formation of species such as Al(OH)4 and Ga(OH)4". Nevertheless, UV difference spectra have shown that Al3+, Ga3 +, In3+, and Tl3 all form transferrin complexes with two metal ions per molecule (126, 144-146). Ae values imply the ionization of two tyrosines per bound metal ion, as for other specifically bound metals. NMR studies using 13C-enriched bicarbonate show virtually identical spectra for Al3+ and Ga3+, implying equivalent metal-anion environments (99). [Pg.426] ...
The main reason for that song is because we are a metal band. And metal is one of the most criticized and very like, its one of the most… I dont know. People are just so judgmental, its one of the most judgmental genres that you can be in. Because if youre not this type of metal then youre not true metal, there are just so many subgenres of metal that its almost like a fashion contest at this point. A fashion show, you know?. Like whos got the most brutal, heavy, vocals. Or whos got the heaviest sounding songs. Its just a very… You know people call us deathcore and you know its whatever, it is what it is. But now if a band even has like screaming vocals and like a breakdown or something theyre considered deathcore. That was never considered deathcore.. But at the end of the day, it doesnt really matter what its called. Thats what people fight over to post and people in the metal community fight over what matters the least. Its just really frustrating to see that. I dont care ...
Em 1981, Brian Slagel, fundador da Metal Blade Records, decidiu lançar uma compilação com bandas do metal underground sem gravadora. Durante toda a década de 80 e no começo dos anos 90 ele continuou a lançar volumes de compilações. Metal Massacre XII foi lançada em 1995 e era o último álbum da Metal Massacre até o volume XIII, lançado em 2006. Metal Massacre XIII diferiu dos lançamentos anteriores, que contava principalmente com bandas sem selo assinado, contendo bandas em sua maioria estabelecidas no plantel da Metal Blade. ...
In the quest to find a cure for Alzheimers and Parkinsons disease, researchers are studying the impact of metals such as iron, copper and zinc on the brain, according to The Wall Street Journal.. http://online.wsj.com/article/SB10001424052970204740904577192901072611524.html. This week The Journal reported on an Australian study, published last Sunday, that discovered that getting rid of excess iron in the brain can temper the symptoms of Alzheimers in tests with mice. Its hoped that the same can be shown to be true for humans.. The presence of higher-than-normal amounts of certain metals in the brain, namely iron and copper, are found in people who have Alzheimers and Parkinsons, according to The Journal. In contrast, low levels of zinc seem to negatively impact memory, and if that metal gets into the wrong parts of the brain it can cause trouble.. In the past research on Alzheimers has focused on markers, or certain proteins, that are found in abundance in the brains of those with the ...
In vitro effect of metal ions on the activity of two amphibian glyceraldehyde-3-phosphate dehydrogenases: potential metal binding sites.: Glyceraldehyde-3-phosp
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A variety of pathologies are associated with exposure to supraphysiological concentrations of essential metals and to non-essential metals and metalloids. The molecular mechanisms linking metal exposure to human pathologies have not been clearly defined. To address these gaps in our understanding of the molecular biology of transition metals, the genomic effects of exposure to Group IB (copper, silver), IIB (zinc, cadmium, mercury), VIA (chromium), and VB (arsenic) elements on the yeast Saccharomyces cerevisiae were examined. Two comprehensive sets of metal-responsive genomic profiles were generated following exposure to equi-toxic concentrations of metal: one that provides information on the transcriptional changes associated with metal exposure (transcriptome), and a second that provides information on the relationship between the expression of approximately 4,700 non-essential genes and sensitivity to metal exposure (deletome). Approximately 22% of the genome was affected by exposure to at ...
Metal works hand-in-hand with other frameworks that supplement its capability. Use MetalKit to simplify the task of getting your Metal content onscreen. Use Metal Performance Shaders to implement custom rendering functions or to take advantage of a large library of existing functions.. Many high level Apple frameworks are built on top of Metal to take advantage of its performance, including Core Image, SpriteKit, and SceneKit. Using one of these high-level frameworks shields you from the details of GPU programming, but writing custom Metal code enables you to achieve the highest level of performance. ...
I was an inorganic biochemist in the early 1980s working on complexation and dynamics of potentially toxic metals like mercury and cadmium in biological systems. In one set of experiments, we were trying to measure the kinetics of transport of metals into blood cells. We were using nucleic magnetic resonance spectroscopy. In red blood cells, for instance, youve got glutathione at an intracellular concentration of about 2 millimolar, and as certain metals get into the cell, they complex with the glutathione and the NMR signal starts to change. By measuring the rate of change of signal in the red blood cells, you could measure the rate of absorption of these toxic metals directly. I wanted to do the complexation study in a realistic situation, so we added the metals to whole blood rather than a suspension of red blood cells. Of course, there were lots of extra signals from the blood plasma metabolites. As soon as I saw this, the penny dropped. I thought, "This is a clinical diagnostic tool." ...
Learning how to melt metals at home can enable you to complete arts and crafts projects that were previously confined to more state-of-the-art and professional facilities. In using common, household items to melt metals, you can save time, money and effort in producing molded metal crafts and other products.
This is the fifth year that Ive cobbled together one of these SXSW guides for Metal Injection, and without fail they never really come together until the last minute. While this phenomenon certainly accommodates my innate procrastination, its not actually driven by it. Rather, the booking process itself is staggered over the course of several months and rear loaded by a grossly disproportionate amount, with seemingly more shows added within the last 2-4 weeks then there were for the first 2-3 official announcements combined.. Thats ok, Im used to how they roll at this point. No one really attends SXSW for any specific band(s) - no one in their right mind, anyway - so the general idea is that you show up and make the most out of whats available. From a metal perspective, the pickings have frankly been pretty slim the last few years. Mainstays like Pitchforks Show No Mercy showcase have evaporated without anything substantial to take their place. The City of Austin has continued its ...
Headhunter, the side project of Destructions figurehead Schmier, returns after a 14-year absence with PARASITE OF SOCIETY. This 11-track album alternates between power metal, thrash metal, and even toys with the mainstream. offering a cover of Skid Rows "18 & Life," giving fans of vintage metal a kick in the ass. "Remission" features an ethreal effect slightly reminiscent of Alice in Chains, "Doomsday for the Prayer" conjures up some provocative powerhouse riffs and "Payback Time" provides a raw reprieve of balls to the wall metal. In short, theres little surprise to be found here, but this disc acts as a proper aid to soothe the classic metal craving. www.candlelightrecordsusa.com -Mike SOS. Buy Parasite of Society ...
Com uma mudança significativa na formação e sonoridade desde seu debut álbum "Lighthouse and Shed" (2007), que contava com vocal feminino e um som mais sinfônico (mas ainda com Power/Prog Metal), a banda lançou seu segundo disco em 2010, o ótimo "Knowledge Machine".. Com a chegada do novo vocalista, Raphael Dantas (vencedor do primeiro concurso para cantar no Soulspell Metal Opera), do baixista Cleison Johann e do baterista Pedro Nunez, a banda passou a investir no Metal Progressivo, mesclando em alguns momentos elementos da cultura nordestina e brasileira, o que dá um caráter único ao álbum.. Fundada pelo guitarrista Glauber Oliveira e contando ainda com os teclados de Daniel Felix, a Caravellus evoluiu bastante em termos de composição e especialmente no quesito qualidade da gravação em seu novo disco ...
A research team at NIMS and Nagaoka University of Technology developed high strength magnesium sheet metal that has excellent formability comparable to that of the aluminum sheet metal currently used in body panels of some automobiles. The alloy uses only common metals, and is expect to be a low-cost light weight sheet metal for automotive applications.
[101 Pages Report] Check for Discount on Global Industrial Gases- Metals & Metal Fabrication Market Professional Survey Report 2017 report by QYResearch Group. This report studies Industrial Gases- Metals & Metal Fabrication in Global...
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This Glasgow, Scotland "blackened death metal" band have been around for only a meager four years, but already have released a demo, two singles and two EPs. "Winter Eternal" is better than the "Denounce" single of a few years ago. They persevere with the watered down Tompa Lindberg screams, but at least now theyre mining from "Terminal Spirit Disease" and "With Fear I Kiss the Burning Darkness" more than the lamentable populist jock metal shtick of the vacuous "The Slaughter Of the Soul". The dual vocals (one part Sven de Caluwé, the other Tompa Lindberg - both terrible in their own way) are as tired and tiring as the choppy, nervous metalcore riffing weve been subjected to since the early 2000s. "Winter Eternal" is a step into the right direction for this self-described "blackened death metal" band, although youre hardpressed to actually note any mentionworthy black - or death metal aspects on this EP. Unless you count the occasional very lite Dissection melody. For some reason "The ...
Check out Metals and non metals Class 10 Science Chapter, Explanation, Notes, Examples, Question and Answers. NCERT Solutions for Metals and non metals.
China Compound Eddy Current Non Ferrous Metal Separator for Metal Sorting, Find details about Metal Scrap Separation Plant: remove non metal waste from non ferrous metals; . Hot Sale E Waste Sorting Equipment for Recycling Plant. ...
The Metal Performance Shaders framework contains a collection of highly optimized compute and graphics shaders that are designed to integrate easily and efficiently into your Metal app. These data-parallel primitives are specially tuned to take advantage of the unique hardware characteristics of each GPU family to ensure optimal performance.. Apps adopting the Metal Performance Shaders framework achieve great performance without needing to create and maintain hand-written shaders for each GPU family. Metal Performance Shaders can be used along with your apps existing Metal resources (such as the ...
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In the late 80s my college room mate and I would buy just about anything that was metal. He picked up records by Death and Possessed, which were the very roots of death metal. Not long after we discovered an album by Naplam Death called "Scum" and my love for death metal was born, at least for a time. I swore at the time that if metal were to get any fast, it would be one continuous tone and become unbearably boring. Unfortunately death metal bands did began to either get ultra repetitive and boring, or so over-the-top technical and noisy they were equally as boring for me. As well, many of the vocalists became clones of one another. Whereas legendary death vocalists like Chuck Schuldiner and Chris Barnes had their own unique sound, many other vocalists became cookie cutter death growlers gaining the titled "cookie monster vocals". However, there were some great bands that came out of the late 80s and early 1990s. Among those Death and Mortification are still among my favorites. However, ...
FAST METAL NEWS line-up tracks reviews discography FaST Metal Pages - dedicated to the METAL bands playing SPEED/POWER METAL MUSIC and other styles and genres
Immediately from the start, this one impresses upon us the old-school feel to be discharged throughout here which fully encompases the rowdy, up-tempo riffing. Utilizing the fiery, frantic riff-work of speed metal in conjunction with the tremolo-based patterns of black metal it creates a truly ripping and explosive mixture here where it manages to incorporate the raucous and energetic style of speed metal thrashing along throughout the tracks with plenty of high-speed precision and tight patterns that generate the reckless out-of-control nature of the style. The wild, raw energy that brings here is married nicely with the ferocious black metal aesthetic where the tremolo patterns and steady, swirling tempos creates a highly enjoyable and rousing style of evil old-school sounding speed metal. Though its quite competent and proficiently played, the tight riff-work here doesnt really generate much variety in the rhythm section here as the deep, raging rhythms displayed arent all that different ...
Hamilton™ Metal Hub Side Port Needles (Luer Lock) Metal hub; 22s gauge; 2 in. (51mm) Point style: 5 Hamilton™ Metal Hub Side Port Needles (Luer...
NJIQAHDDA Atmospheric Black Metal / Non-Metal / Metal Related / Black Metal / Atmospheric Sludge Metal / Funeral Doom Metal • United States ...
Synonyms for Babbitt metal in Free Thesaurus. Antonyms for Babbitt metal. 1 synonym for Babbitt metal: babbitt. What are synonyms for Babbitt metal?
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metallic element, Modern Latin, from Sp. platina platinum, dim. of plata silver, from O.Fr. plate or O.Prov. plata sheet of metal (see PLATE (Cf. plate)). The metal looks like silver, and the Spaniards at first thought it an inferior sort of…
Description: Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials ...
Many health conditions originate when deficiencies of vital minerals occur in the body. As an adaptive mechanism, the vital minerals are replaced with toxic metals in critical enzyme binding sites. Elimination of these toxic metals and other toxic substan
An independent laboratory analyses all decontaminated metals that leave our facility. Thus we will be certain that the original PCB-contamination has been removed before recycling the metals. Orion has a longstanding cooperation with leading Dutch metal merchants who will process the metals at reputable smelters ...
The implanted is constructed with a metal base element and a plastic part which is elastically mounted on the base element and carries a metal grid structure for the ingrowth of bone tissue. The elastic mounting is provided by a prop which extends from a body portion of the plastic part into a depression in the base element. The prop is received in the depression with lateral play to not only hold the mutually facing surfaces of the base element and plastic part from each other but to permit lateral play. The floating suspension permits inevitable micromovements between the metal implant and the plastic part to be absorbed and not transmitted directly to the bone tissue which grows into the metal grid structure.
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Sheet metal is metal formed into a flat piece, just as its name suggests. It comes in various sizes and is used for countless applications such as ductwork, tubing signs and on car parts. For applications requiring it, sheet metal can be glued together to form a thicker piece.
The corresponding metal sulfate would be MSO_4........... Why? We gots M_3(PO_4)_2; now phosphate anion is formally PO_4^(3-), i.e. a salt of phosphoric acid, H_3PO_4. And in the given formula we have 2xxPO_4^(3-), a formal electronic charge of -6. Clearly, to form a neutral salt, the three metal ions must have a combined formal charge of +6, and given this we have M^(2+) ions....... And thus the salt the metal forms with sulfate anion would be 1:1, i.e. M^(2+)SO_4^(2-).
... - reflects the multidimensional character of chemical biology, focusing in particular on the fundamental science of biological structures and systems, the use of chemical and biological techniques to elucidate
NEW YORK, August 14, 2017 /PRNewswire/ -- Pre-Market Technical Pulse on Metals and Minerals Stocks -- Peabody Energy, Cameco, Hudbay Minerals, and Pretium...
Authors: Alexandrov, Peter N. , Zhao, Yuhai , Pogue, Aileen I. , Tarr, Matthew A. , Kruck, Theo P.A. , Percy, Maire E. , Cui, Jian-Guo , Lukiw, Walter J. Article Type: Research Article Abstract: Disturbances in metal-ion transport, homeostasis, overload and metal ion-mediated catalysis are implicated in neurodegenerative conditions such as Alzheimers disease (AD). The mechanisms of metal-ion induced disruption of genetic function, termed genotoxicity, are not well understood. In these experiments we examined the effects of non-apoptotic concentrations of magnesium-, iron- and aluminum-sulfate on gene expression patterns in untransformed human neural (HN) cells in primary culture using high density DNA array profiling and Western immunoassay. Two week old HN cells were exposed to low micromolar magnesium, iron, or aluminum for 7 days, representing trace metal exposure over one-third of their lifespan. While total …RNA yield and abundance were not significantly altered, both iron and aluminum ...
This article is the fourth in a series reviewing the metals present in personal care products. Earlier installments appeared in January 1998, Toxic Potential from Metals Absorbed through the Skin (pages 33-42); March 1999, Metals in Personal-Care Products, (pages 47-56); and August 2000, Chromium, Cobalt, Copper and Iron: Metals in Personal-Care Products, (pages 52-65).
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The nature of metals has fascinated mankind for many centuries, because these materials provided people with tools of unsurpassed properties both in war and in their preparation and processing. Sterling gold and silver were known to man since the Stone Age. Lead and silver were fused from their ores as early as the fourth millennium BC.[15]. Ancient Latin and Greek writers such as Theophrastus, Pliny the Elder in his Natural History, or Pedanius Dioscorides, did not try to classify metals. The ancients never attained the concept "metal" as a distinct elementary substance of fixed, characteristic chemical and physical properties. Following Empedocles, all substances within the sublunary sphere were assumed to vary in their constituent classical elements of earth, water, air and fire. Following the Pythagoreans, Plato assumed that these elements could be further reduced to plane geometrical shapes (triangles and squares) bounding space and relating to the regular polyhedra in the sequence ...
If anyone is familiar with NiTi metal, also known as Nitinol and muscle wire, I am trying to see if I can use it to create a complex shape, more specifically, I want to make a flower shape out of it. With a stem and petals, all made out of the metal. This is a part of a much larger project but is vital in its completion. Basicly I want to construct a flower shape out of NiTi tubing or thick wire for the stem and use thin sheets or foil for the petals. Then I want to be able to ball it all up into a rough sphere as small as possible, then I want to be able to run a current through it which will then in turn heat up the metal, allowing it to revert back to the flower shape. ANY help or information on NiTi metal and/or its properties or where I may be able to purcase it would be more than welcome. Anyone have experience with it at all? Thanks everyone for any help ...
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