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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 ...
Representation of crystal structures in terms of a master structure, e.g., feldspar as derivative of coesite with aluminum replacing tetrahedral silicon and charge balance maintained by intertetrahedral alkali and alkali-earth ions.
Industry:Mining
Represents the percentage of the total engine power that can be converted into forward motion by means of the friction between tire and track.
Industry:Mining
Resembling a flower petal in form, appearance, or texture. Applied to the structure seen in minerals that split into pieces with a smooth polished concave-convex surface that fit into one another somewhat like the petals of an unopened flower bud.
Industry:Mining
Resembling or abounding in whinstone.
Industry:Mining
Resembling or containing jasper; jaspery.
Industry:Mining
Resembling talc, as talcoid schist.
Industry:Mining
Resembling unglazed porcelain; e.g., said of a rock consisting of chert and carbonate impurities or of clay and opaline silica. Also spelled: porcellaneous; porcelanous.
Industry:Mining
Residual magnetism in a ferromagnetic substance (its hysteresis) after removal of an external magnetizing force.
Industry:Mining
Residual stress existing between different parts of metal products, as a result of the differential effects of heating, cooling, or working operations, or of constitutional changes in the solid metal.
Industry:Mining
Residue of the mineral matter obtained by incinerating coal under standard conditions.
Industry:Mining
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