- 업종: 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 disease of the lungs caused by habitual inhalation of irritant mineral or metallic particles. It occurs in any workplaces where dust is prevalent, such as mines, quarries, foundries, and potteries. Also spelled pneumonoconiosis; pneumonokoniosis.
Industry:Mining
A disease of the lungs caused by habitual inhalation of irritant mineral or metallic particles. It occurs in any workplaces where dust is prevalent, such as mines, quarries, foundries, and potteries. Also spelled pneumonoconiosis; pneumonokoniosis.
Industry:Mining
A disk grinder in which one disk is stationary and the other rotates. The stationary disk is moved out of center from time to time, so that any groove that forms can be ground out.
Industry:Mining
A disk of dried loam used to cover a loam mold; it has holes through which melted metal is poured and air escapes.
Industry:Mining
A disk type of live roller conveyor equipped with air outlets from a blower to remove dampness from processed sheet metal while being conveyed.
Industry:Mining
A dispersion pattern developed more or less directly over the bedrock source.
Industry:Mining
A dispersion pattern formed by the movement of ore-forming fluids in the rock overlying a mineral deposit.
Industry:Mining
A dispersion pattern formed in the regolith by the movement of material in subsurface waters.
Industry:Mining
A dispersion pattern formed in the rock adjoining mineral deposits where the chemical composition has been modified by the ore-forming fluids. See: halo.
Industry:Mining