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tungsten Thesaurus Medical Financial Acronyms Encyclopedia Wikipedia tung·sten (tŭng′stən) n.SymbolW A hard, brittle, corrosion-resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any ...
tungsten, WCalculations of the electronic structure of the heteropoly anions [PM120~0] n[M = V(V~, Mo(VI), W(VI)] with the Keggin structure have been carried out by the M0-LCAO method in the Huckel approximation. It has been shown that the charges on the atoms of the heteropo!y...
ChemInform Abstract: Some Considerations of the Thermodynamics and Kinetics of the Chemical Vapor Deposition of Tungsteninorganic chemistry, reviewreactions (including homogeneous catalysisequilibriaNois available for this article.doi:10.1002/chin.199010343...
The field (geometrical) theory of specific heat is based on the universal thermal sum, a new mathematical tool derived from the evolution equation in the Euclidean four-dimensional spacetime, with the closed time coordinate. This theory made it possible
The symbol I denotes molar ionic strength of the solution; c 2 , p o r e 0 = 0 (concentration of Cl− is zero). Table 2. Iinitial concentrations of ions in the external solution c i , e x t 0 (mol dm−3) for six cases studied (1, 3, 5, 10, 15, and 20% NaCl ...
The starting materials were preciously weighted and were then high-temperature alloyed by using an arc-melting system, which is equipped with a non-consumable tungsten (W) electrode. During the high-temperature arc-melting process, the alloying chamber was filled with the atmosphere of Ar-1 vol....
High-entropy ceramics are attracting significant interest due to their exceptional chemical stability and physical properties. While configurational entropy descriptors have been successfully implemented to predict their formation and even to discover ne
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