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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 ...
A device for passing a fine spray of compressed air and water to dilute the combustible gases and allay the coal dust in the track of a coal-cutter jib. The spray is passed through a modified whale-type jib.
Industry:Mining
A device for producing detonation in a high-explosive charge, and initiated by a safety fuse or by electricity.
Industry:Mining
A device for producing detonation in a high-explosive charge, and initiated by a safety fuse or by electricity.
Industry:Mining
A device for raising or lowering ore, rock, or coal from a mine and for lowering and raising workers and supplies.
Industry:Mining
A device for recording a sonic depth trace.
Industry:Mining
A device for reducing metal or slag in a liquid form to fine grain.
Industry:Mining
A device for removing dirt from a conveyor belt.
Industry:Mining
A device for sampling a pile of ore, consisting simply of a small iron pipe that is driven into the pile and which, when withdrawn, brings a core of ore with it.
Industry:Mining
A device for sampling bottom sediments. A core barrel is driven into unconsolidated material by an explosive charge.
Industry:Mining
A device for sampling fine ore, consisting of a fork in which the prongs are separate scoops, each scoop being the same width as the open spaces between.
Industry:Mining
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