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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 ...
Reactor criticality achieved with a coolant.
Industry:Mining
Readily susceptible to chemical change.
Industry:Mining
Readily vaporizable.
Industry:Mining
Recessed masonry that carries the heel post of a lock gate.
Industry:Mining
Reclamation of land from the sea or other low-lying or flooded areas by draining and pumping, dumping of fill, or planting of marine vegetation.
Industry:Mining
Recognition, study, application, and control of the principles and factors utilized in a distinct and self-contained process (for example, filtration). This avoids the duplication of effort that attends study of filtration of oil, sugar, ore pulp, etc., as though each involved a unique set of principles.
Industry:Mining
Reconditioned sand used for supporting the facing sand, and forming the main part of a foundry mold.
Industry:Mining
Recovering values from refractory or special gold ores, in which cyanogen bromide (CNBr), or a chemical mixture forming it, is used for treating the ore.
Industry:Mining
Recovery of dissolved soluble constituents onto activated carbon due to some form of chemical sorption at the active sites. Carbon adsorption is particularly useful for removing gold and silver from cyanide leach solutions or dissolved organics from process solutions.
Industry:Mining
Recovery of nickel from a nickel-copper matte. After crushing and roasting to remove sulfur, the copper is acid-leached, filtered off, and electrolyzed. The residual solids are melted, cast as anodes, and refined to produce nickel.
Industry:Mining
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