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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 ...
Ratio of absolute viscosity to mass density. Measured in square meters per second.
Industry:Mining
Ratio of magnetic induction (B) to the inducing field of magnetic intensity (H). With magnetic intensity lines of force per square centimeter in air, and flux density lines in a substance placed in that field, B/H is the magnetic permeability. When this is less than 1.0, the substance is diamagnetic; above 1.0, paramagnetic; and when high, ferromagnetic.
Industry:Mining
Ratio of the increase in total heat per kilogram of dry air to the rise in temperature, with constant pressure and humidity ratio.
Industry:Mining
Ratio of the surface areas or sizes of the broken or crushed material to those of the feed material.
Industry:Mining
Ratio of the upper particle size in the crushed material to the upper particle size of the feed material.
Industry:Mining
Ratio of the volume of voids between particles, plus the volume of pores, to the volume occupied by the powder, including voids and pores.
Industry:Mining
Ratio of true volume to bulk volume.
Industry:Mining
Raw fireclay mixed with calcined fireclay, or with broken fireclay brick, or both, all ground to suitable fineness.
Industry:Mining
Raw steel that has been cooled very slowly and that has a blistered appearance. The blisters are formed by gas escaping from within the metal.
Industry:Mining
Reaction products of acids (HX) with bases (M.OH). M.OH + HX &#61; MX + H<sub>2</sub>O is the simplest formula.
Industry:Mining
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