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United States Bureau of Mines
업종: 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 ...
A constituent of Portland cement clinkers. Also spelled celith.
Industry:Mining
A constituent of the atomic nucleus; i.e., a proton or a neutron.
Industry:Mining
A constitutional change in a solid metal; e.g., the change from gamma to alpha iron, or the formation of pearlite from austenite.
Industry:Mining
A construction in a sinking shaft that will provide support for the concrete lining. It consists of a wedge-shaped excavation around the shaft in solid ground that is filled up completely with wet concrete. Steel shuttering is used and the concrete is filled in behind.
Industry:Mining
A construction in a sinking shaft that will provide support for the concrete lining. It consists of a wedge-shaped excavation around the shaft in solid ground that is filled up completely with wet concrete. Steel shuttering is used and the concrete is filled in behind.
Industry:Mining
A construction in a sinking shaft that will provide support for the concrete lining. It consists of a wedge-shaped excavation around the shaft in solid ground that is filled up completely with wet concrete. Steel shuttering is used and the concrete is filled in behind.
Industry:Mining
A construction in a sinking shaft that will provide support for the concrete lining. It consists of a wedge-shaped excavation around the shaft in solid ground that is filled up completely with wet concrete. Steel shuttering is used and the concrete is filled in behind.
Industry:Mining
A construction of conveyor belt consisting of multiple plies of fabrics woven into one piece, which is done on looms designed for this purpose. Stripes are woven into the belt 3002 to show the number of plies, which range from 2 to 10. Impregnating and coating treatments are frequently employed.
Industry:Mining
A construction of conveyor belt made up of plies of cotton fabric stitched together. Stitched canvas belts may be untreated, impregnated, or coated.
Industry:Mining
A construction of conveyor belt similar to the solid woven type of belt and having the plies interwoven to the extent that it is impossible to separate them.
Industry:Mining