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Tungsten (also called ... on average, this yields about two alpha decays of 180 W per gram of natural tungsten per year. [36] This rate is equivalent to a specific ...
Thirty-four artificial radioisotopes of tungsten have been characterized with mass numbers ranging from 156 to 194, the most stable of which are 181 W with a half-life of 121.2 days, 185 W with a half-life of 75.1 days, 188 W with a half-life of 69.4 days and 178 W with a half-life of 21.6 days.
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74 W tungsten; use: 806.7 LNG: 806.7 WEL: 800 Zhang et al. 774 75 Re rhenium; use: 704 LNG: 704 WEL: 705 Zhang et al. 707 76 Os osmium; use: 678 LNG: 738 WEL: 630 ...
Tungsten West lost more than £10.3m to March 2024, as it worked to get the mine back into production. Ms Lyndon said the company had had to rely on private sector funding which had been ...
In this sample of two there is one very dirty kind of ice that conducts heat at nearly twice the rate of plain ice. ... Tungsten, pure 173 1440 9710 208 173 [130] 118 ...
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N.B. Pilling and R.E. Bedworth [2] suggested in 1923 that metals can be classed into two categories: those that form protective oxides, and those that cannot. They ascribed the protectiveness of the oxide to the volume the oxide takes in comparison to the volume of the metal used to produce this oxide in a corrosion process in dry air.
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