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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 ...
An instrument for determining the methane content in mine air.
Industry:Mining
An instrument for determining the percentage of moisture in a substance such as timber or soil, usually by measuring its electrical resistivity.
Industry:Mining
An instrument for determining the specific gravity of a molten metal by the immersion of a ball made of another metal and of known weight.
Industry:Mining
An instrument for determining the velocity of a fluid in motion by its pressure.
Industry:Mining
An instrument for determining voltage.
Industry:Mining
An instrument for direct measurement of formation densities in boreholes. This tool furnishes a log of backscattered gamma radiation, which is a simple function of formation density.
Industry:Mining
An instrument for extricating broken boring tools from a borehole.
Industry:Mining
An instrument for gaging any deflections of a structure.
Industry:Mining
An instrument for indicating the amount of closure that has taken place. Wall closure in mines is measured by this instrument.
Industry:Mining
An instrument for indicating the amount of closure that has taken place. Wall closure in mines is measured by this instrument.
Industry:Mining
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