- المجال: Mining
- Number of terms: 33118
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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 ...
A unit of measurement often used for the work done in transport. The number of tonkilometers is the weight in tons of material transported multiplied by the number of kilometers driven.
Industry:Mining
A unit of plane angular measurement equal to the angle at the center of a circle subtended by an arc equal in length to the radius. One radian equals about 57.29 degrees .
Industry:Mining
A unit of pressure commonly used in acoustics. One microbar is equal to 1 dyn/cm<sub>2</sub>.
Industry:Mining
A unit of quantity in the tin plate trade consisting of 112 sheets measuring 14 in by 20 in (35.6 cm by 50.8 cm) or the equivalent in area; consequently 31,360 in<sub>2</sub>(20.2 m<sub>2</sub>) of tin plate.
Industry:Mining
A unit of quantity of heat; the heat required to raise the unit mass of water through 1 degree of temperature. Compare: calorie; British thermal unit.
Industry:Mining
A unit of temperature equal to one-thousandth of a degree; abbrev., mdeg.
Industry:Mining
A unit of viscosity in drilling mud as measured with a Marsh funnel according to American Petroleum Institute procedure.
Industry:Mining
A unit of volumetric rate of air flow, expressed in thousands of cubic feet per second.
Industry:Mining
