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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 ...
Refractory; said of certain ores.
Industry:Mining
Refuse from hydraulic mining operations, tailings.
Industry:Mining
Refuse or dirt from ore or coal.
Industry:Mining
Regular surface marking developed by solvent action on smooth surface of alloy or crystal, and characteristic for that specific substance. The reagent used is an etchant, usually of an acid in water or alcohol.
Industry:Mining
Regulating device used to govern the draft of water from a dam; may incorporate arrangements for holding back sediment or floating detritus.
Industry:Mining
Reinforcement introduced into a concrete slab or other member to minimize any cracks arising from shrinkage or from temperature stresses.
Industry:Mining
Related to ability to liberate hydrogen ions to solution, and hence to electrical conductivity of equivalent aqueous solutions of acids.
Industry:Mining
Relating to or containing tin; as, stanniferous ore.
Industry:Mining
Relating to synchronous deposits that exhibit the same facies.
Industry:Mining
Relating to that part of the abyssal realm that includes the ocean floor; pertaining to or living on the ocean floor at great depths.
Industry:Mining
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