- 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 water reservoir in a mine, usually located at the lowest place, commonly near the shaft station.
Industry:Mining
A water reservoir in a mine, usually located at the lowest place, commonly near the shaft station.
Industry:Mining
A water sprinkling device closed by a metallic alloy that melts at a low temperature. In case of fire the alloy melts, releasing a water spray. These devices are used in woodlined shafts and timbered bottoms, sometimes by legal requirements.
Industry:Mining
A water tank built up of standardized pressed steel units having external flanges that are bolted together in an assembly for varying sizes of tank.
Industry:Mining
A water wheel operated by the direct impact of a stream upon its radialIy placed paddles.
Industry:Mining
A water wheel operated by the direct impact of a stream upon its radialIy placed paddles.
Industry:Mining
A water, gas, or aqueous, chemically impermeable material placed in artificially constructed underground channels, crevices, or slices.
Industry:Mining
A water-deposited conglomerate containing more than 50% volcanic material, esp. coarse pyroclastics.
Industry:Mining