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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 ...
The weight of an element, compound, radical, or ion involved in a specified electrochemical reaction during the passage of a unit quantity of electricity, such as a faraday, an ampere-hour, or a coulomb.
Industry:Mining
The weight of dry steam consumed by a steam engine for each horsepower per hour. The result is stated in either indicated horsepower or brake horsepower.
Industry:Mining
The weight of explosive detonated at any one precise time.
Industry:Mining
The weight of material correctly placed above or below the reference size, expressed as a percentage of the weight of corresponding material in the feed.
Industry:Mining
The weight of metal per ton (long or short ton), as determined by assay or analysis, multiplied by the market price of the metal.
Industry:Mining
The weight of solids per unit volume of a saturated soil mass.
Industry:Mining
The weight of the solids in air minus the weight of water displaced by the solids per unit of volume of soil mass; the saturated unit weight minus the unit weight of water.
Industry:Mining
The weight of the strata above every excavation is largely transferred to the coal pillars or packs in the vicinity. Attempts are made to control and facilitate this load transfer in the yield-pillar system and in double packing.
Industry:Mining
The weight of the vehicle multipled by the coefficient of traction; it is the total pounds of pull that can be exerted before slippage occurs.
Industry:Mining
The weight of underflow (excluding oversize) expressed as a percentage of the total weight of material below the reference size in the feed.
Industry:Mining
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