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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 ...
Symbol, BP; melting point, greater than 2,000 degrees C, but readily oxidizes, which limits its potential use.
Industry:Mining
Symbol, BPO; sp gr, 2.81; vaporizes at 1,400 degrees C; related structurally to high cristobalite. It has been used as a constituent of a ceramic body that fires to a translucent porcelain at 1,000 degrees C.
Industry:Mining
Symmetrical handedness. A mirror or center of symmetry changes the chirality of asymmetric units. Compare: improper
Industry:Mining
Syn. for deflecting.
Industry:Mining
Syn. for outside diameter.
Industry:Mining
Syn. for pyrite, from which copperas is often made.
Industry:Mining
Syngenetic ore deposit.
Industry:Mining
Synonymous with advanced sintering at high temperatures, usually the final sintering close to the melting point of the material.
Industry:Mining
Synonymous with geochemical soil survey.
Industry:Mining
Synthetic copal produced by consolidating copal fragments under pressure with an oil binder.
Industry:Mining
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