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United States Bureau of Mines
行业: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
Mercury that has become contaminated so that it has neither a clean, bright surface nor a spheroidal shape when in globules. Effect produced by sulfur, oil, talc, graphite, sulfides of antimony, arsenic or bismuth, calcium earths. In this state, it cannot be used to amalgamate gold.
Industry:Mining
Metal from which the impurities, usually zinc and mercury, have been eliminated by selective distillation.
Industry:Mining
Metal in thin sheets, esp. (and originally) brass, which in this form is also called latten brass.
Industry:Mining
Metal in which the regular arrangement of atoms characteristic of the crystalline state has been destroyed.
Industry:Mining
Metal iron, as distinguished from iron ore.
Industry:Mining
Metal of high purity, having an electrical conductivity not much below that of the international standard, which is a resistance of 0.15328 Omega for a wire 1 m long and weighing 1 g.
Industry:Mining
Metal or wood framework on which a drilling machine is mounted.
Industry:Mining
Metal powder produced by the dispersion of molten metal by a rapidly moving gas, or liquid stream, or by mechanical dispersion.
Industry:Mining
Metal recovered from scrap by remelting and refining.
Industry:Mining
Metal recovered from scrap by remelting and refining.
Industry:Mining
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