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tungsten and its alloys are used extensively for filaments for electric lamps, electron and television tubes, ... tungsten salts are used in the chemical and tanning industries
) is a dry lubricant that can be used to temperatures as high as 500°C. Tungsten forms compounds with calcium and magnesium that have phosphorescent properties and are used in fluorescent light bulbs. ...
This WebElements periodic table page contains Essential information for the element tungsten ... Brief description: pure tungsten is a steel-gray to tin-white metal. ...
Why is tungsten used in x-ray tubes? Can't other elements produce x-rays? ... Tungsten is used because it can withstand this bombardment, ...
Title: Carcinogenic Potential of Depleted Uranium and Tungsten Alloys...
Potential Health Effects of the Heavy Metals, Depleted Uranium and Tungsten, Used in Armor-Piercing Munitions: Comparison of Neoplastic Transformation, Mutagenicity, Genomic Instability, and ...
hard steel: a hard heat-resistant steel containing between 1 per cent and 20 per cent tungsten, used in tools and high-temperature engineering equipment
The word "Tungsten" was probably first used by A. F. Cronstedt in 1755, who applied it to the mineral subsequently known as "scheelite," which is the natural form of calcium tungstate.
Cobalt tungsten phosphate used to fill voids arising in a copper metallization process - US Patent 7317253 from PatentStorm. <p>A semiconductor device includes a substrate, at least one layer of ...
5695810 Use of cobalt tungsten phosphide as a barrier material for copper metallization December, 1997 Dubin et al. ... To prevent diffusion, various materials are used as barrier materials for copper.
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