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United States Bureau of Mines
産業: 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 blasting machine that uses batteries or magnets to energize one or more condensers (capacitors) whose stored energy is released into a blasting circuit, to initiate detonators.
Industry:Mining
A blasting needle, a pointed instrument for piercing the wad or tamp of a charge of explosive, to permit introducing a blasting fuse.
Industry:Mining
A blasting needle; a metallic rod used in the stemming of a drill hole for the purpose of leaving a cavity through which a charge may be fired.
Industry:Mining
A blasting term describing the total time between application of current and the detonation.
Industry:Mining
A bleached-white variety of asbestiform chrysotile from Mt. Troodos, Cyprus.
Industry:Mining
A block closing the front of a blast furnace and containing the cinder notch.
Industry:Mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Industry:Mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Industry:Mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Industry:Mining
A block of compressed coal dust, used as fuel; also, a slab or block of artificial stone. Also spelled briquet.
Industry:Mining