- 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 ...
Collector shoe, which maintains contact between the conducting wire or rail and the electric vehicle being powered.
Industry:Mining
Collier who moves a coal cutter to a new working place; to flit is to shift equipment.
Industry:Mining
Collision between bodies, the velocity of one or both being changed. In direct impact, the velocity of the moving bodies is perpendicular to the bodies at the point of contact. The impact coefficient, known as the coefficient of restriction, is the ratio of the 1584 differences of velocities of the two bodies after impact to the same differences before impact.
Industry:Mining
Colloquialism for weathering (or low-velocity layer) shot in seismic prospecting.
Industry:Mining
Colom. A placer miner who uses crude methods of alluvial washing. A spoiler.
Industry:Mining
Colom. In placer mining, to extract as much of the pay gravel as possible, without method, leaving the overburden untouched.
Industry:Mining
Colom. Low-lying alluvial mines that have to be unwatered by artificial means; generally deposits in present riverbeds.
Industry:Mining
Colorless to faintly smoky gem-quality zircon from the Matara (Matura) district of Sri Lanka; any smokiness is removable by heating.
Industry:Mining
