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United States Bureau of Mines
Industry: 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 ...
Imperfectly or partially transparent; semitransparent.
Industry:Mining
Impregnation with copper, or with some compound containing copper.
Industry:Mining
Impure concretionary hematite.
Industry:Mining
Impure copper that has been precipitated from copper-bearing solutions; it may contain iron and arsenic; cement copper.
Industry:Mining
Impure metal produced during smelting of ores or concentrates.
Industry:Mining
Impure ozokerite containing an admixture of country rocks and found in the region of the Caspian Sea.
Industry:Mining
Impure sandy green limestone with shaly partings in the Middle Purbeck beds, Swanage, U.K. Also spelled leaper; leper.
Industry:Mining
In 1909 Lord Raleigh established the general law of fluid flow: R &#61; wV<sub>2</sub>(f)(wVD/m), where R &#61; resistance of flow, w &#61; density of fluid, V &#61; velocity of flow, D &#61; diameter of pipe, m &#61; viscosity of fluid, f &#61; signifies function. For any particular value of (wVD)/m, using any combination of quantities, there will be a definite corresponding value of R/wV<sub>2</sub>.
Industry:Mining
In a battery wall, those courses of brick, none of which are directly exposed on either side.
Industry:Mining
In a blast furnace, a water-cooled casting, usually of copper, that is installed inside the cinder cooler.
Industry:Mining