Tungsten. A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.
A plant genus of the family EUPHORBIACEAE that is the source of tung oil and a phorbol diester (PHORBOL ESTERS).
Inorganic compounds that contain tungsten as an integral part of the molecule.
The spurge family of flowering plants, in the order Euphorbiales, contains some 7,500 species in 275 genera. The family consists of annual and perennial herbs and woody shrubs or trees.
An enzyme that catalyses the last step of the TRIACYLGLYCEROL synthesis reaction in which diacylglycerol is covalently joined to LONG-CHAIN ACYL COA to form triglyceride. It was formerly categorized as EC 2.3.1.124.
A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.94. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. (From Dorland, 27th ed)
Oils derived from plants or plant products.
The encapsulated embryos of flowering plants. They are used as is or for animal feed because of the high content of concentrated nutrients like starches, proteins, and fats. Rapeseed, cottonseed, and sunflower seed are also produced for the oils (fats) they yield.
A family of enzymes that catalyze the stereoselective, regioselective, or chemoselective syn-dehydrogenation reactions. They function by a mechanism that is linked directly to reduction of molecular OXYGEN.
A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.
Oxidoreductases that are specific for ALDEHYDES.
Compounds based on 2-amino-4-hydroxypteridine.
A genus of anaerobic, rod-shaped METHANOBACTERIACEAE. Its organisms are nonmotile and use ammonia as the sole source of nitrogen. These methanogens are found in aquatic sediments, soil, sewage, and the gastrointestinal tract of animals.
Derivatives of benzene in which one or more hydrogen atoms on the benzene ring are replaced by bromine atoms.
Substances made up of an aggregation of small particles, as that obtained by grinding or trituration of a solid drug. In pharmacy it is a form in which substances are administered. (From Dorland, 28th ed)
A group of cells at the base of a leaf in certain plants that, by rapidly losing water, brings about changes in the position of the leaves. (Concise Dictionary of Biology, 1990)
That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.
A type of viscous polysaccharide that is secreted from PLANTS. It has natural properties that are useful in the formulation of ADHESIVES.
The fraudulent misrepresentation of the diagnosis and treatment of disease.
Facilities or services which are especially devoted to providing palliative and supportive care to the patient with a terminal illness and to the patient's family.
A former branch of knowledge embracing the study, description, and classification of natural objects (as animals, plants, and minerals) and thus including the modern sciences of zoology, botany, and mineralogy insofar as they existed at that time. In the 17th, 18th, and 19th centuries it was much used for the generalized pursuit of certain areas of science. (Webster, 3d ed; from Dr. James H. Cassedy, NLM History of Medicine Division)
Ovoid body resting on the CRIBRIFORM PLATE of the ethmoid bone where the OLFACTORY NERVE terminates. The olfactory bulb contains several types of nerve cells including the mitral cells, on whose DENDRITES the olfactory nerve synapses, forming the olfactory glomeruli. The accessory olfactory bulb, which receives the projection from the VOMERONASAL ORGAN via the vomeronasal nerve, is also included here.
The illumination of an environment and the arrangement of lights to achieve an effect or optimal visibility. Its application is in domestic or in public settings and in medical and non-medical environments.
The art, technique, or business of producing motion pictures for entertainment, propaganda, or instruction.
Method of making images on a sensitized surface by exposure to light or other radiant energy.
The structural parts of the VIRION.
Substances that comprise all matter. Each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge, but may differ in mass or number of neutrons.
Facilities equipped to carry out investigative procedures.
A constituent organization of the DEPARTMENT OF HEALTH AND HUMAN SERVICES concerned with protecting and improving the health of the nation.
Health care professionals, technicians, and assistants staffing LABORATORIES in research or health care facilities.
The scattering of NEUTRONS by matter, especially crystals, with accompanying variation in intensity due to interference effects. It is useful in CRYSTALLOGRAPHY and POWDER DIFFRACTION.
A plant genus of the family ASTERACEAE that has long been used in folk medicine for treating wounds.
A compound formed when iodoacetic acid reacts with sulfhydryl groups in proteins. It has been used as an anti-infective nasal spray with mucolytic and expectorant action.
A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)
Elements of limited time intervals, contributing to particular results or situations.
It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)
Use of sophisticated analysis tools to sort through, organize, examine, and combine large sets of information.
Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)
The profession of writing. Also the identity of the writer as the creator of a literary production.
Property, such as patents, trademarks, and copyright, that results from creative effort. The Patent and Copyright Clause (Art. 1, Sec. 8, cl. 8) of the United States Constitution provides for promoting the progress of science and useful arts by securing for limited times to authors and inventors, the exclusive right to their respective writings and discoveries. (From Black's Law Dictionary, 5th ed, p1014)
Multi-step systematic review process used for improving safety by investigation of incidents to find what happened, why it happened, and to determine what can be done to prevent it from happening again.
Travel beyond the earth's atmosphere.
A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions.
Alloys that contain a high percentage of gold. They are used in restorative or prosthetic dentistry.
Condition in which no acceleration, whether due to gravity or any other force, can be detected by an observer within a system. It also means the absence of weight or the absence of the force of gravity acting on a body. Microgravity, gravitational force between 0 and 10 -6 g, is included here. (From NASA Thesaurus, 1988)
Specific alloys not less than 85% chromium and nickel or cobalt, with traces of either nickel or cobalt, molybdenum, and other substances. They are used in partial dentures, orthopedic implants, etc.
Systems that provide all or most of the items necessary for maintaining life and health. Provisions are made for the supplying of oxygen, food, water, temperature and pressure control, disposition of carbon dioxide and body waste. The milieu may be a spacecraft, a submarine, or the surface of the moon. In medical care, usually under hospital conditions, LIFE SUPPORT CARE is available. (From Webster's New Collegiate Dictionary)
Lisowski, W; Van Den Berg, A. H. J; Kip, G. A. M; Hanekamp, L. J (1991). "Characterization of tungsten tips for STM by SEM/AES/ ... Chang, Wei-Tse; Hwang, Ing-Shouh; Chang, Mu-Tung; Lin, Chung-Yueh; Hsu, Wei-Hao; Hou, Jin-Long (2012). "Method of ... Some oxide layers on metallic tips, especially on tungsten, need to be removed by post fabrication treatment. To clean W sharp ... Ju, Bing-Feng; Chen, Yuan-Liu; Ge, Yaozheng (2011). "The art of electrochemical etching for preparing tungsten probes with ...
... tungsten. "Målviken, tungsten (W), One of Europe's largest tungs ten deposits" (PDF). nordicmining.com. 2013. Archived from the ... Målviken represents one of the largest tungsten reserves in Norway having estimated reserves of 2.51 million tonnes of ore ...
It consisted of a brass shank into which a very hard and strong tungsten wire, somewhat narrower than the standard record ... In 1916, in the face of a wartime steel shortage, Victor introduced their "Tungs-Tone" brand extra-long-playing needle, which ... The most common material was steel, although other materials such as copper, tungsten, bamboo and cactus were used. Steel ...
ren' tungsténio= tungsten, from Old Swe. 'tung' (heavy) and 'sten' (stone) tungsténico= relative to tungsten aringa (military ...
The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in ... Tungsten with minor amounts of impurities is often brittle and hard, making it difficult to work. However, very pure tungsten, ... Tungsten compounds are most often used industrially as catalysts. Tungsten is the only metal from the third transition series ... Tungsten's many alloys have numerous applications, most notably in incandescent light bulb filaments, X-ray tubes (as both the ...
Tungsten. the Swedish tung sten, 'heavy stone' (W is wolfram, the old name of the tungsten mineral wolframite). 6. 6. 183.84(1) ...
The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, from tung sten "heavy stone".[9] ... A good example is high speed steel, which can contain as much as 18% tungsten.[56] Tungsten's high melting point makes tungsten ... The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten.[ ... Erik Lassner, Wolf-Dieter Schubert, Eberhard Lüderitz, Hans Uwe Wolf, "Tungsten, Tungsten Alloys, and Tungsten Compounds" in ...
the Swedish 'tung sten' അർത്ഥമാക്കുന്നത് heavy stone (W is wolfram, the old name of the tungsten mineral wolframite). 6. 6. ...
The trade name was formed from the first syllable of "tungsten" and the Latin word "sol" meaning sun. The company entered the ... Tung-Sol was privately held and run like a laboratory. This gave Tung-Sol vacuum tubes a reputation of having some of the best ... Other Tung-Sol inventions included the flashing turn signal. Tung-Sol created the 6550 vacuum tube, a specialized Hi-Fi audio ... The History of Tung-Sol The New Sensor Corporation Tung-Sol Electric, Inc., Electronics, McGraw-Hill, vol. 27, no. 11, Nov. ...
Cheng, Chao-Ching; Chung, Yun-Yan; Li, Uing-Yang; Lin, Chao-Ting; Li, Chi-Feng; Chen, Jyun-Hong; Lai, Tung-Yen; Li, Kai-Shin; ... Tungsten disulfide is an inorganic chemical compound composed of tungsten and sulfur with the chemical formula WS2. This ... Lamellar tungsten disulphide is used as a dry lubricant for fasteners, bearings, and molds, as well as having significant use ... When heated in absence of oxygen, WS2 does not melt but decomposes to tungsten and sulfur, but only at 1250 °C. Historically ...
"Tungsten Corporation (TUNG)". Edison Investment Research. July 2017. Retrieved September 26, 2017. "TUNG Tungsten Corporation ... Tungsten Network Analytics is fully compliant with US federal requirements as of April 2014. "Tungsten Corporation (TUNG)". ... "Tungsten Corporation Plc (TUNG.L)". Yahoo! Finance. 2017. Retrieved September 26, 2017. "Tungsten Corp Expects Full-Year ... Tungsten Corporation Plc (TUNG) is reported to trade regularly on the London Stock Exchange. Main competitors in this arena ...
A Tungsten or Tungs-Tone is a type of phonograph stylus. Constructed from tungsten wire, held in a metal shank, a tungsten ... One famous brand of tungsten stylus was the Tungs-Tone stylus, manufactured by the Victor Talking Machine Company in the 1910s ...
... a proposed trail that would stretch across Canada Tung Chung Terminal, a Hong Kong gondola lift station of Ngong Ping 360 The ... a suite of computer forensic software Tungsten carbide-tipped, hardened metal used for example in an annular cutter or drill ...
Istilah tungsten berasal dari bahasa Swedia tung sten, yang berarti batu berat.[3] Namanya dalam bahasa Swedia adalah volfram, ... Erik Lassner, Wolf-Dieter Schubert, Eberhard Lüderitz, Hans Uwe Wolf, "Tungsten, Tungsten Alloys, and Tungsten Compounds" in ... Tungsten Alloy for Gold Substitution, China Tungsten *^ DeGarmo, E. Paul (1979). Materials and Processes in Manufacturing ( ... Nama "tungsten" (dari Swedia tung sten, "batu berat") digunakan di Inggris, Prancis, dan banyak ahasa lainnya sebagai nama ...
Sacks, O (2009). Uncle Tungsten: Memories of a chemical boyhood. New York: Alfred A. Knopf. pp. 191, 194. ISBN 0-375-70404-3. . ... tantalum and tungsten. The existence of a second inner transition series, in the form of the actinides, was not accepted until ...
Tung-sten74W​183.84 Rhe-nium75Re​186.21 Os-mium76Os​190.23 Iridium77Ir​192.22 Plat-inum78Pt​195.08 Gold79Au​196.97 Mer-cury80Hg ... tungsten 183.84(1) 183.84 183.84 75 Re rhenium 186.207(1) 186.21 186.21 ...
Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon ... Tung-sten74W​7002183840000000000♠183.84 Rhe-nium75Re​7002186210000000000♠186.21 Os-mium76Os​7002190230000000000♠190.23 Iridium ... Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon ... Sacks, O. (2009). Uncle Tungsten: Memories of a chemical boyhood. New York: Alfred A. Knopf. pp. 191, 194. ISBN 978-0-375-70404 ...
Of the metals, tungsten emerged as the frontrunner, but it was expensive, hard to fabricate, and had undesirable neutronic ... LASL produced a series of design concepts, each with its own codename: Uncle Tom, Uncle Tung, Bloodhound and Shish. By 1955, it ... To get around its neutronic properties, it was proposed to use tungsten-184, which does not absorb neutrons. Graphite was ...
Hei-tung; Pau, Chiu-wah; Tang, Kin-hung; Wai, Pui-wah; Fong, Wai-hung Raymond (1999). "English-Chinese Glossary of Terms ... Tungsten (aka wolfram) becomes volfram. Bismuth becomes bitmut. Aluminium becomes nhôm (銋), because the ending -nium has a ...
... is situated on the trail from Tai O to Tung Chung, known as the Tung O Ancient Trail (東澳古道) that heads east along ... Tungsten was discovered in Sha Lo Wan, and its ore was quarried in the area in the 1950s, leading to a population increase, ... The area is served by ferries operated by Fortune Ferry to Tung Chung, Tai O and Tuen Mun at the end of Sha Lo Wan Pier. Lantau ... There is no vehicular access to the area, but the construction of a road linking Tai O and Tung Chung, and serving Sha Lo Wan, ...
Metalliferous mineral occurrences are grouped into four broad categories: tin-tungsten-molybdenum mineralisation, copper-lead- ... Tai Tung Shan) - 869 m (2,851 ft), on Lantau Island Sze Fong Shan - 785 m (2,575 ft) Lin Fa Shan - 766 m (2,513 ft), on Lantau ... Island Nei Lak Shan - 751 m (2,464 ft), on Lantau Island Yi Tung Shan - 747 m (2,451 ft), on Lantau Island Ma On Shan - 702 m ( ...
Tungsten. Swedish tung sten, 'heavy stone' (The symbol W is from Wolfram, a name used for the element in many languages, ... "Wolframium Wolfram Tungsten". Elementymology & Elements Multidict. Archived from the original on 2010-01-23. Retrieved 2010-03- ...
She participated in the attacks on the German battleship Tirpitz as part of the Home Fleet Strike force of Operation Tungsten, ... The ship was sold again in 1966 to the Chinese shipping magnate Tung Chao Yung, becoming Oriental Banker. Oriental Banker was ...
... tungsten, zinc, etc. The principal coal deposit is at Fushun, in Liaoning, extending 15 by 3 kilometres (9.3 mi × 1.9 mi). ... Tang-Tung): 92,000,315,242 or 360,000 Hsinking (Changchung): 126,000 or 544,202 Kirin (Chilin): 119,000,173,624 or 512,000 ...
They consisted of pointed tungsten wire (in the shape of a cat's whisker) whose tip or point was pressed against the surface of ... Tung, R. (2001). "Formation of an electric dipole at metal-semiconductor interfaces". Physical Review B. 64 (20): 205310. ... During 1925-1940, diodes consisting of a pointed tungsten metal wire in contact with a silicon crystal base, were fabricated in ... academic.brooklyn.cuny.edu/physics/tung/Schottky/inhomo.htm Bardeen, J. (1947). "Surface States and Rectification at a Metal ...
Tung, H. C.; Bramall, N. E.; Price, P. B. (2005). "Microbial origin of excess methane in glacial ice and implications for life ... Schmitz, Ruth A.; Albracht, Simon P. J.; Thauer, Rudolf K. (1992-11-01). "A molybdenum and a tungsten isoenzyme of ...
There was also a version S.m.K.H. - Spitzgeschoß mit Hartkern ("spitzer with hardcore") which had a tungsten carbide instead of ... " ("lett" meaning light) to differentiate it from the similar but not interchangeable 7,92x61 Tung (heavy). Ammunition produced ...
Emsley 2001, p. 496 Gadolin, Johan (1794). "Undersökning af en svart tung Stenart ifrån Ytterby Stenbrott i Roslagen". Kongl. ... Thinking that it was an unknown mineral containing the newly discovered element tungsten, he named it ytterbite. Finnish ...
The end came on "the 25th day of the 12th moon of the 3rd year of Hsuan Tung". In return for the peaceful transition, the ... General Electric Company obtained the U.S. Patent 1,018,502 for a tungsten filament lamp that had been invented by Austrian ...
The main material of lacquer thread sculpture is the mixture of lacquer, the special brick powder and boiled tung oil. After ... Among other cargoes handled, Xiamen is the world's largest supply base for raw tungsten materials and sunglasses, exporting 120 ... tungsten carbide micro-drills, and similar products. Xiamen is one of China's regions with rapid development of the TFT liquid ...
Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon ... Gadolin, Johan (1794). "Undersökning af en svart tung Stenart ifrån Ytterby Stenbrott i Roslagen". Kongl. Vetenskaps Academiens ... Thinking that it was an unknown mineral containing the newly discovered element tungsten,[2] he named it ytterbite.[note 1] ...
Gadolin, Johan (1794). "Undersökning af en svart tung Stenart ifrån Ytterby Stenbrott i Roslagen". Kongl. Vetenskaps Academiens ... Ia berpikir bahwa itu adalah mineral tak dikenal yang mengandung unsur tungsten yang baru ditemukan,[2] dia menamainya dengan ...
Of the metals, tungsten emerged as the frontrunner, but tungsten was expensive, hard to fabricate, and had undesirable ... LASL produced a series of design concepts, each with its own codename: Uncle Tom, Uncle Tung, Bloodhound and Shish. By 1955, it ... To get around its neutronic properties, it was proposed to use tungsten-184, which does not absorb neutrons. On the other hand ...
ISBN 978-0-19-850340-8. Gadolin, Johan (1794). "Undersökning af en svart tung Stenart ifrån Ytterby Stenbrott i Roslagen". ... Thinking it was an unknown mineral containing the newly discovered element tungsten, he named it ytterbite and sent samples to ...
OSRAM SYLVANIA Tungsten-Halogen Photographic Lamp Bulb : Ideal for use in photographic lamps or microscopic projection ... Home » Tung-halo 64250hlx 6v 20w T3 - Osram Sylvania Tungsten-halogen Photographic Lamp Bulb. ... Tung-halo 64250hlx 6v 20w T3 - Osram Sylvania Tungsten-halogen Photographic Lamp Bulb Gift-wrapping is not available for this ... TUNG-HALO 64250HLX 6V 20W T3 * This product may be an accessory for OSRAM SYLVANIA Tungsten-Halogen Photographic Lamp Bulb and ...
BIOT EPOXY STONE JIGGED TUNG Base Price: Price: Price: Sale Price: $24.30 ...
Cheng, Chao-Ching; Chung, Yun-Yan; Li, Uing-Yang; Lin, Chao-Ting; Li, Chi-Feng; Chen, Jyun-Hong; Lai, Tung-Yen; Li, Kai-Shin; ... Tungsten disulfide is an inorganic chemical compound composed of tungsten and sulfur with the chemical formula WS2. This ... Lamellar tungsten disulphide is used as a dry lubricant for fasteners, bearings, and molds, as well as having significant use ... When heated in absence of oxygen, WS2 does not melt but decomposes to tungsten and sulfur, but only at 1250 °C. Historically ...
"Tungsten Corporation (TUNG)". Edison Investment Research. July 2017. Retrieved September 26, 2017. "TUNG Tungsten Corporation ... Tungsten Network Analytics is fully compliant with US federal requirements as of April 2014. "Tungsten Corporation (TUNG)". ... "Tungsten Corporation Plc (TUNG.L)". Yahoo! Finance. 2017. Retrieved September 26, 2017. "Tungsten Corp Expects Full-Year ... Tungsten Corporation Plc (TUNG) is reported to trade regularly on the London Stock Exchange. Main competitors in this arena ...
Notice down at the bottom here you have tungsten. Right? Tungsten comes from Swedish. He was Swedish. Its "tung" "sten," heavy ...
Name Origin:Swedish: tung sten (heavy stone): symbol from its German name wolfram. ... More about Tungsten 6. Symbol: W Tungsten Atomic Number: 74 Atomic Weight: 183.84 ...
tung-pro-grade-gold-nugget. tung-pro-grade-orange-crush. tung-pro-grade-pink-chart ... Rattlin Google Eye Tungsten Jigs (1 PACK) Quick View SIZE 3 / tung-google-eye-bumble-green. SIZE 5 / tung-google-eye-bumble- ... Pro Grade Tungsten Jig (2 PACK) Quick View SIZE 2 / tung-pro-grade-bumble-green. SIZE 2 / tung-pro-grade-da-shiz. SIZE 2 / tung ...
Tungsten is a type of incandescent lighting using a bulb with a filament made of the metal tungsten, as opposed to, say, carbon ... The gas combines with the evaporated tungsten from the filament during use and helps some of the tungsten plate back onto the ... Unless you have switched to compact fluorescents, most of the lighting in your home is tungsten. In still Photography, tungsten ... For television and cinematography tungsten is essential.Tungsten lamps specifically for photographic purposes are made to very ...
Tungsten disulfide is a dry, high-temperature lubricant, stable to 500C. Tungsten bronzes and other tungsten compounds are used ... From Swedish, tung sten meanig heavy stone. In 1779 Peter Woulfe examined the mineral now known as wolframite and concluded it ... Pure tungsten is a steel-gray to tin-white metal. Very pure tungsten can be cut with a hacksaw, forged, spun, drawn, and ... Tungsten occurs in wolframite, scheelite, huebnertie, and ferberite. Important deposits of tungsten occur in California, ...
Istilah tungsten berasal dari bahasa Swedia tung sten, yang berarti batu berat.[3] Namanya dalam bahasa Swedia adalah volfram, ... Erik Lassner, Wolf-Dieter Schubert, Eberhard Lüderitz, Hans Uwe Wolf, "Tungsten, Tungsten Alloys, and Tungsten Compounds" in ... Tungsten Alloy for Gold Substitution, China Tungsten *^ DeGarmo, E. Paul (1979). Materials and Processes in Manufacturing ( ... Nama "tungsten" (dari Swedia tung sten, "batu berat") digunakan di Inggris, Prancis, dan banyak ahasa lainnya sebagai nama ...
TUNG-stun Credit for the discovery of tungsten is often divided among three men-Spanish scientists Don Fausto DElhuyard (1755- ... They are tungsten-180, tungsten-182, tungsten-183, ungsten-184, and tungsten-186. Isotopes are two or more forms of an element ... Probably the most important compound of tungsten is tungsten carbide (WC). Tungsten carbide has a very high melting point of ... No tungsten was mined in the United States in 1996. Detailed information about the production and use of tungsten in the United ...
The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, from tung sten "heavy stone".[9] ... A good example is high speed steel, which can contain as much as 18% tungsten.[56] Tungstens high melting point makes tungsten ... The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten.[ ... Erik Lassner, Wolf-Dieter Schubert, Eberhard Lüderitz, Hans Uwe Wolf, "Tungsten, Tungsten Alloys, and Tungsten Compounds" in ...
Wee Willie Wolfram got his Tung-sten-d with an electric shock. ... tungsten Wolfram W 79 gold Aurum Au 80 mercury Hydrargyrum ( ...
Long exposures in total black conditions with the addition of light sculptures, made with tungsten and fluorescent light ... Long exposures in total black conditions with the addition of light sculptures, made with tung… Read More ... Long exposures in total black conditions with the addition of light sculptures, made with tungsten and fluorescent light ... made with tungsten and fluorescent light sources. ...
with calcium oxide, strontium oxide and tungsten oxide (WO3), lead-doped EC / List no: 310-023-0 , CAS no: 102110-24-7 ... Linseed oil, polymer with tung oil, lead salt EC / List no: - , CAS no: 68990-75-0 ... Lead tungsten tetraoxide EC / List no: 231-849-7 , CAS no: 7759-01-5 ... Lead tungsten oxide EC / List no: 235-792-9 , CAS no: 12737-98-3 ... Tungsten@[email protected]@[email protected]@[email protected]@ ...
Tung-Ore Co. NM. Tungsten & Gold Telluride Co. NV. Tungsten & Gold Telluride Mining Co. NV. ...
... and receive free tungsten band resizing for life! Also offering a wide variety of mens wedding bands and jewelry, including ... Buy beautiful tungsten wedding bands and quality tungsten rings for both men and women, ... fingerprint rings and tungsten carbide bands for many different interests. ... Animal Silhouette Buffalo Ring Engraved Flat Black Tung... Reg: $249.99On Sale: $144.99 ...
China / Mexico by the amount of crap that sticks to my tungsten. If after a rod of GOOD filler rod and no dips you need to re- ... Having worked in airspace, if you dont dip your tung in the Al alloy you should NEVER have ... grind your tungsten, it isnt a pure aloy. The issue gets worse and worse the more the more specialized the alloy. ...
The all new Acme Google Eye Tungsten Jig features glass eyes and small rattling beads to attract bites. This ideally-weighted ... tung-google-eye-bumble-green. tung-google-eye-bloody-nose. tung-google-eye-da-shiz ... The all new Acme Google Eye Tungsten Jig features glass eyes and small rattling beads to attract bites. This ideally-weighted ... Pro Grade Tungsten Jig (2 PACK) Quick View SIZE 2 / tung-pro-grade-bumble-green. SIZE 2 / tung-pro-grade-da-shiz. SIZE 2 / tung ...
... a yellow crystalline powder WO3 that is the trioxide of tungsten; also : an acid (such as H2WO4) derived from this trioxide. ... tungsten lamp tungsten trioxide tungstic tungstic acid tungstic ocher tungstic oxide tungstite ... tung·​stic acid , \ ˈtəŋ-stik- \. Definition of tungstic acid. : a yellow crystalline powder WO3 that is the trioxide of ... a yellow crystalline powder WO4 that is the trioxide of tungsten also : an acid (as H2WO4) derived from this trioxide ...
Comprehensive information for the element Tungsten - W is provided by this page including scores of properties, element names ... Swedish: tung sten (heavy stone): W symbol from its German name wolfram which is named after wolframite.. *Abundance of ... Tungsten Menu. *Tungsten Page One*Overview of Tungsten*Tungstens Name in Other Languages*Atomic Structure of Tungsten*Chemical ... Tungsten Menu. *Tungsten Page One*Overview of Tungsten*Tungstens Name in Other Languages*Atomic Structure of Tungsten*Chemical ...
Gold-Coated Rhenium Tungsten Wire ReW bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free samples ... Tungsten gets its name from the Swedish words tung and sten, meaning heavy stone. ... Tungsten. 74 W 183.840000000 Tungsten See more Tungsten products. Tungsten (atomic symbol: W, atomic number: 74) is a Block D, ... The tungsten atom has a radius of 139 pm and a Van der Waals radius of 210 pm. Tungsten was discovered by Torbern Bergman in ...
Tungsten Titanium Carbide WC:TiC bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free samples program. ... Tungsten gets its name from the Swedish words tung and sten, meaning heavy stone. ... 74 W 183.840000000 Tungsten See more Tungsten products. Tungsten (atomic symbol: W, atomic number: 74) is a Block D, Group 6, ... The tungsten atom has a radius of 139 pm and a Van der Waals radius of 210 pm. Tungsten was discovered by Torbern Bergman in ...
The common name of tungsten came from its ore which was very heavy. Its ore was given the name "heavy stone" or tung sten by ... Sackss middle name was Wolf and the chemical name for tungsten is Wolfram. So Uncle Tungsten had, in effect, a Nephew Tungsten ... He recognized it at once as a sound from his childhood, "the sound of sintered tungsten" as his Uncle Tungsten would say and ... ARJ2: Uncle Tungsten Memories of a Chemical Boyhood by Oliver Sacks. 8. Commentary on the World 9. Closing Notes - our mailing ...
cbi:CLJ_B2140 aldehyde ferredoxin oxidoreductase, tungs K03738 605 1492 ( -) 346 0.404 631 ,-, 1 cbj:H04402_01957 tungsten- ... tko:TK1066 tungsten-containing aldehyde:ferredoxin oxid K03738 605 1574 ( 167) 365 0.423 626 ,-, 4 tpz:Tph_c04180 tungsten- ... pya:PYCH_09430 tungsten-containing aldehyde ferredoxin K03738 606 1555 ( 334) 360 0.420 628 ,-, 4 ton:TON_1354 aor-2 tungsten- ... taq:TO73_1527 tungsten-containing aldehyde ferredoxin o K03738 620 1305 ( 64) 303 0.382 636 ,-, 4 tye:THEYE_A1699 tungsten- ...
cbi:CLJ_B2140 aldehyde ferredoxin oxidoreductase, tungs K03738 605 1481 ( -) 343 0.406 609 ,-, 1 cld:CLSPO_c19340 tungsten- ... ttj:TTHA0152 tungsten-containing aldehyde:ferredoxin ox K03738 608 3878 ( 2678) 890 0.936 607 ,-, 2 taq:TO73_2132 tungsten- ... ton:TON_1354 aor-2 tungsten-containing aldehyde ferredo K03738 605 1497 ( 373) 347 0.430 611 ,-, 5 tpz:Tph_c04180 tungsten- ... dto:TOL2_C01300 Aor2: tungsten-containing aldehyde ferr K03738 587 1102 ( 37) 257 0.347 602 ,-, 14 ape:APE_0266.1 tungsten- ...
  • Swedish: tung sten (heavy stone): symbol from its German name wolfram. (factmonster.com)
  • From Swedish, tung sten meanig heavy stone. (lanl.gov)
  • Istilah tungsten berasal dari bahasa Swedia tung sten , yang berarti batu berat . (wikipedia.org)
  • W ee Willie Wolfram got his Tung-sten-d with an electric shock. (learner.org)
  • In reference to its density, Tungsten gets its name from the Swedish words tung and sten , meaning heavy stone. (americanelements.com)
  • Molybdenum wire Elmet Technologies Inc. of Lewiston, Maine, is a leading manu-facturer of molybdenum and tung-sten products, including molyb-denum wire. (scrapsisters.nl)
  • posed for acetylene hydration catalyzed by a biomimetic tung-sten complex.15 It is suggested that a tungsten-bound hydroxide plays the key role performed by Asp13 in the enzyme. (webtelecom.com.ua)
  • Avocet Tungsten Inc. worked on upgrading equipment and tungst en concentrate prices reported by Metal Bulletin in 1997 was removing bottlenecks at its tung sten processing plant in Bishop, CA. 10% lower than the average of pr ices reported in 1996. (saunyogrodowe.eu)
  • Tungsten is found in wolframite (hence why the Germans called tungsten wolfram). (answers.com)
  • Wolfram , dikenal juga sebagai Tungsten , adalah suatu unsur kimia dalam tabel periodik yang memiliki lambang W dan nomor atom 74. (wikipedia.org)
  • In some parts or the world, tungsten is still called by another name, wolfram. (chemistryexplained.com)
  • Tungsten , or wolfram , [7] [8] is a chemical element with symbol W (referring to wolfram) and atomic number 74. (wikipedia.org)
  • Tungsten (formerly Wolfram ) is a chemical element in the periodic table that has the symbol W ( L. Wolframium ) and atomic number 74. (academickids.com)
  • Of all metals Tungsten (also known as wolfram) has the highest melting point. (elemons.de)
  • [14] Tungsten interferes with molybdenum and copper metabolism and is somewhat toxic to animal life. (wikipedia.org)
  • We supply large quantities of machined and sintered tungsten and molybdenum crucibles in all common dimensions. (bridgat.com)
  • Providing the highest quality refractory metal W (Tungsten), Mo (Molybdenum) and Ta (Tantalum) products since 1958. (saunyogrodowe.eu)
  • Choose shelf stock W (Tungsten), Mo (Molybdenum) or Ta (Tantalum) or have items made to order. (saunyogrodowe.eu)
  • The products of the reaction include tungsten oxide and sulfuric acid. (wikipedia.org)
  • The metal is obtained commercially be reducing tungsten oxide with hydrogen or carbon . (lanl.gov)
  • Tungsten metal forms a protective oxide when exposed to air but can be oxidized at high temperature. (academickids.com)
  • Tungsten oxide nanorods can be fabricated in large scale at low temperatures on planar substrates. (spie.org)
  • Chiral Ceramic Nanoparticles of Tungsten Oxide and Peptide Catalysis, Journal of the American Chemical Society, 2017, JACS.7b01445 on the web. (nd.edu)
  • Tungsten carbide is of great importance to the metal-working, mining, and petroleum industries. (lanl.gov)
  • Tungsten Titanium Carbide is generally immediately available in most volumes. (americanelements.com)
  • Tungsten is a metal with a wide range of uses, the largest of which is as Tungsten carbide (W 2 C , WC) in cemented carbides . (academickids.com)
  • Tungsten Carbide has recently been used in the fashioning of jewelry due to its hypoallergenic nature and the fact that due to its extreme hardness it is not apt to lose its luster like other polished metals. (academickids.com)
  • Tungsten carbide behaves more like a ceramic and cannot be tempered. (nawcc.org)
  • So many people have asked us to shoot some tungsten carbide from a shotgun. (kennt-allein.com)
  • What are Tungsten Carbide Rings? (saunyogrodowe.eu)
  • Dongguan XY Precision Tungsten Carbide Co. (made-in-china.com)
  • Tungsten disulfide is an inorganic chemical compound composed of tungsten and sulfur with the chemical formula WS2. (wikipedia.org)
  • WS2 also catalyses hydrogenation of carbon dioxide: CO2 + H2 → CO + H2O Tungsten disulfide is the first material which was found to form inorganic nanotubes, in 1992. (wikipedia.org)
  • Tungsten disulfide is a dry, high-temperature lubricant, stable to 500C. (lanl.gov)
  • Tungsten chemical compounds are used in catalysts , inorganic pigments, and tungsten disulfide high-temperature lubricants which is stable to 500 ?C (932 ?F). (academickids.com)
  • Tungsten disulfide (WS 2 ), a typical transition metal dichalcogenide (TMDC) material, transits from an indirect to direct bandgap when the thickness is thinned to a monolayer, thereby allowing for applications in transistors, photodetectors, and electroluminescent devices. (rsc.org)
  • Credit for the discovery of tungsten is often divided among three men-Spanish scientists Don Fausto D'Elhuyard (1755-1833) and his brother Don Juan Jose D'Elhuyard (1754-96), and Swedish chemist Carl Wilhelm Scheele (1742-86). (chemistryexplained.com)
  • The name tungsten is taken from the Swedish phrase that means 'heavy stone. (chemistryexplained.com)
  • The de Elhuyar brothers found acid in wolframite in 1783 that was identical to the acid of tungsten (tungstic acid) of Scheele, and in that year they succeeded in obtaining the element by reduction of this acid with charcoal. (lanl.gov)
  • A very hard, heavy, steel-gray to white transition metal , tungsten is found in several ores including wolframite and scheelite and is remarkable for its robust physical properties. (academickids.com)
  • rock wolframite concentrate separator complete Tungsten Processing Plant Processing Plant Tungsten Ore Concentration Tungsten Mining Machine plant,spiral chute for separating iron ore,zircon,ilmenite,chromite,beach sand. (saunyogrodowe.eu)
  • Scheele, in 1781, found that a new acid could be made from tungsten (a name first applied about 1758 to a mineral now known as scheelite). (lanl.gov)
  • Tungsten bronzes and other tungsten compounds are used in paints. (lanl.gov)
  • The first mention of tungsten and its compounds can be traced to about 1761. (chemistryexplained.com)
  • [9] Tungsten is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone. (wikipedia.org)
  • Tungsten compounds are also often used as industrial catalysts . (wikipedia.org)
  • Tungsten 'bronzes' (so-called due to the colour of the tungsten oxides) along with other compounds are used in paints . (academickids.com)
  • Tungsten metal was prepared for the first time in 1783 by the D'Elhuyard brothers. (chemistryexplained.com)
  • Tungsten was discovered by Torbern Bergman in 1781 and first isolated by Juan José Elhuyar and Fausto Elhuyar in 1783. (americanelements.com)
  • Vinkkejä sormuksen valintaan LUE TÄSTÄ : https://www.kaisankello.fi/info/ohjeita-sormuksen-valintaan/21/ Pro Grade Tungsten Jig 2-Pack . (kennt-allein.com)
  • Tungsten is about 10 times harder than 18K Gold, 5 times harder than tool steel, and 4 times harder than titanium. (saunyogrodowe.eu)
  • Tungsten is a type of incandescent lighting using a bulb with a filament made of the metal tungsten, as opposed to, say, carbon or platinum. (answers.com)
  • The gas combines with the evaporated tungsten from the filament during use and helps some of the tungsten plate back onto the filament when it cools, lengthening the life of the lamp. (answers.com)
  • Any fixture that takes a tungsten filament bulb is an example of incandescent lighting. (answers.com)
  • Why is tungsten used almost exclusively as filament for incadescent lamps? (answers.com)
  • An incandescent electric bulb with a tungsten filament, 3200 Kelvin, an orange color. (sgia.org)
  • The low thermal expansion and high melting point and tensile strength of tungsten originate from strong covalent bonds formed between tungsten atoms by the 5d electrons. (wikipedia.org)
  • In situ formation of arrays of tungsten single atoms within carbon nitride frameworks fabricated by one-step synthesis through monomer complexation. (mpg.de)
  • Its presence can be found in really hard metallic alloys, electrons, lubricants and as a cheap gold 'substitute' in jewelry due to the similar densities of gold and tungsten. (answers.com)
  • High-speed tool steels, Hastelloy(R), Stellite(R), and many other alloys contain tungsten. (lanl.gov)
  • Tungsten alloys are often used to make filaments and targets of x-ray tubes. (americanelements.com)
  • If made very pure, tungsten retains its hardness (which exceeds that of many steels), and becomes malleable enough that it can be worked easily. (wikipedia.org)
  • Tungsten measures between 8 and 9 on the Mohs hardness scale. (saunyogrodowe.eu)
  • Due to their extreme hardness, Tungsten Rings will hold their shape and shine longer than any ring on the market. (saunyogrodowe.eu)
  • [17] Although carbon remains solid at higher temperatures than tungsten, carbon sublimes at atmospheric pressure instead of melting, so it has no melting point. (wikipedia.org)
  • Cobalt (Co) particles, as catalysts, are electrochemically deposited on the apex of tungsten (W) STM tip for CNT growth. (hindawi.com)
  • The abundance of tungsten in the Earth's crust is thought to be about 1.5 parts per million. (chemistryexplained.com)
  • The US Department of the Interior has confirmed that tungsten, the primary resource mineral at Pilot Mountain , has been included in the final list of Critical Minerals 2018. (proactiveinvestors.co.uk)
  • About 26% of these are mineral separator, 19% are tungsten ore, and 12% are other mining machines. (saunyogrodowe.eu)
  • Tungsten is widely used in light bulb and vacuum tube filaments, as well as electrodes , because it can be drawn into very thin metal wires that have a high melting point. (academickids.com)
  • If you are using studio quality tungsten lighting, you should also use a type-B incandescent balanced film, or set your digital camera for either AUTO or incandescent. (answers.com)
  • high quality tungsten ore concentrate tungsten separator. (saunyogrodowe.eu)
  • Tungsten has the highest melting point of all metals, and at temperatures over 1650°C has the highest tensile strength. (lanl.gov)
  • Of all metals in pure form, tungsten has the highest melting point (3422 ° C , 6192 ° F ), lowest vapor pressure (at temperatures above 1650 °C, 3000 °F), and the highest tensile strength . (wikipedia.org)
  • When heated in oxygen-containing atmosphere, WS2 converts to tungsten trioxide. (wikipedia.org)
  • In the manufacturing process of tungsten copper different CU/W mix contents can be set. (normalien.de)
  • When selecting tungsten copper, the manufacturer should be informed of the approximate application because different manufacturing processes can affect the use of success. (normalien.de)
  • Tungsten and copper combine many of their individual characteristics in this man-made material. (normalien.de)
  • In the fall of 2017, Tungsten released its inaugural Friction Index report to showcase the amount of time that is being spent on inefficient practices. (wikipedia.org)
  • The number of publications about to the development of XRF techniques for tungsten ores and concentrates is limited. (saunyogrodowe.eu)
  • Tungsten lighting is a term used by photographers to distinguish from fluorescent lighting or strobe lighting. (answers.com)
  • Long exposures in total black conditions with the addition of light sculptures, made with tungsten and fluorescent light sources. (behance.net)
  • and subsequently, forming the tungsten film by sequentially supplying the tungsten chloride gas and the reducing gas into the chamber while purging an interior of the chamber in the course of sequentially supplying the tungsten chloride gas and the reducing gas. (justia.com)
  • Tungsten (atomic symbol: W, atomic number: 74) is a Block D, Group 6, Period 6 element with an atomic weight of 183.84. (americanelements.com)
  • Tungsten is a transition metal. (chemistryexplained.com)
  • Tungsten is the only metal from the third transition series that is known to occur in biomolecules that are found in a few species of bacteria and archaea . (wikipedia.org)
  • Inherently selective precursors for deposition of second or third row transition metal (e.g., tungsten or ruthenium) thin films are described. (justia.com)
  • are often alloyed with tungsten, with tungsten steels containing as much as 18% tungsten. (academickids.com)
  • This product may be an accessory for OSRAM SYLVANIA Tungsten-Halogen Photographic Lamp Bulb and may differ from the image shown. (egeneralmedical.com)
  • TUNG-HALO 64250HLX 6V 20W T3 - OSRAM SYLVANIA Tungsten-Halogen Photographic Lamp Bulb : Ideal for use in photographic lamps or microscopic projection applications. (egeneralmedical.com)
  • Tungsten is a hard brittle solid whose color ranges from steel-gray to nearly white. (chemistryexplained.com)
  • In its raw form, tungsten is a hard steel-grey metal that is often brittle and hard to work . (wikipedia.org)
  • Tungsten can be cut with a hacksaw when it is very pure (it is brittle and hard to work when impure) and is otherwise worked by forging, drawing, or extruding. (academickids.com)
  • Tungsten has the highest melting point of all the metallic elements and a density comparable to that or uranium or gold and about 1.7 times that of lead . (americanelements.com)
  • Tungsten Alloy is a Component in The Surge. (kennt-allein.com)
  • Tungsten Alloy is used for upgrading weapons. (kennt-allein.com)
  • 3. The stent of claim 1 , wherein the alloy further comprises tungsten in a concentration up to about 20 percent by weight, iron in a concentration up to about 20 percent by weight, and manganese in a concentration up to about 3 percent by weight. (google.ca)
  • The all new Acme Google Eye Tungsten Jig features glass eyes and small rattling beads to attract bites. (acmetackle.com)
  • When heated in absence of oxygen, WS2 does not melt but decomposes to tungsten and sulfur, but only at 1250 °C. Historically monolayer WS2 was isolated using chemical exfoliation via intercalation with lithium from n-butyl lithium (in hexane), followed by exfoliation of the Li intercalated compound by sonication in water. (wikipedia.org)
  • other salts of tungsten are used in the chemical and tanning industries. (lanl.gov)
  • This is done by selection of grain sizes of the tungsten powder and adjusting the sintering parameters. (normalien.de)
  • Tungsten concentrate is similar to powder in that it is made up of minute, dry particles of pure substance. (saunyogrodowe.eu)
  • However, the actual lamps(bulbs) have some type of gas in them(Tungsten or whathaveyou) which reacts with the electricity to glow. (answers.com)
  • In practice, plain household tungsten lighting (color temperature around 2800°K) will yield a perfectly acceptable photograph with a type-B film or with your digital camera set on auto or incandescent. (answers.com)
  • A high melting point also makes tungsten suitable for space-oriented and high temperature uses which include electrical, heating, and welding applications, notably in the GTAW process (also called TIG welding). (academickids.com)
  • Lamellar tungsten disulphide is used as a dry lubricant for fasteners, bearings, and molds, as well as having significant use in aerospace and military industries. (wikipedia.org)
  • China is reported to have about 75% of the world's tungsten resources. (lanl.gov)
  • The largest producers of tungsten in the world are China, Russia, and Portugal. (chemistryexplained.com)
  • has developed itself into the second largest tungsten concentrate producer in China. (saunyogrodowe.eu)
  • Finally, coming to the Sino-African, Sino-Ugandan relationship, we go back to 1949 when a new China was born under the Communist Party and Chairman Mao Tse Tung. (mediacentre.go.ug)
  • What is the least effective way of dimming tungsten lighting for colour photography? (answers.com)