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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 ...
Precious metal in the form of finely divided particles precipitated from a cyanide solution used in its extraction from ore.
Industry:Mining
Precious moonstone, a gem variety of adularia.
Industry:Mining
Precious opal of any light color, as distinguished from black opal; e.g., a pale blue-white gem variety of opal.
Industry:Mining
Precious opal with play of color (commonly red or green) displayed against a dark gray (rarely black) body color; e.g., the fine Australian blue opal with flame-colored flashes.
Industry:Mining
Precision boring with a shaped diamond (but not with other tool materials).
Industry:Mining
Prefix from the Greek "ge," meaning land, of the land, or Earth.
Industry:Mining
Prefix meaning containing calcium carbonate.
Industry:Mining
Prefix meaning glassy.
Industry:Mining
Preliminary digging out the clay in the taphole of a furnace. This is done usually by hand, air, or electric drill.
Industry:Mining
Prepared from polyvinyl acetate. Properties are toughness, adhesiveness, imperviousness to moisture, and stability toward light and heat. Used as an interlayer in safety glass and as a bonding resin.
Industry:Mining
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