upload
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 ...
Treatment of mine timber to prevent decay by forcing a preservative, such as creosote, zinc chloride, sodium fluoride, and other chemicals, into the cells of the wood.
Industry:Mining
Treatment of precious metal ores containing copper or zinc, using an ammoniacal cyanide solution and recovering ammonia by boiling.
Industry:Mining
Treatment of steel in hot aqueous solution of free phosphoric acid and manganese dihydrogen phosphate, other salts sometimes being used as accelerators. A fine-grained 2252 insoluble film of ferric phosphate is formed in a few minutes, which is corrosion resistant.
Industry:Mining
Trial bores made to test formations of area being prospected.
Industry:Mining
Tricalcium phosphate, Ca<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>. The phosphate content of phosphorite may be expressed as percentage of bone phosphate of lime. Abbrev: BPL.
Industry:Mining
Triclinic feldspar, which by repeated twinning (orthomimicry) simulates a higher degree of symmetry with rectangular cleavages; e.g., orthoclase, anorthoclase, and cryptoclase.
Industry:Mining
Trommel washer with lifting blades, which aid in disintegration and scrubbing of passing feed.
Industry:Mining
Trowel used by plasterers and cement workers for finishing surfaces.
Industry:Mining
True bedrock. Compare: false bottom
Industry:Mining
True potential difference between a metal and the solution in which it is immersed.
Industry:Mining
© 2024 CSOFT International, Ltd.