- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
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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 ...
In the iron and steel industry, one who reverses gas valves by manipulating levers to throw hot combustion gases from one side of the furnace to the other, to keep the furnace heat evenly distributed, and to prevent burning out on one side.
Industry:Mining
In the iron and steel industry, one who tends rolls through which skelp (steel strips for making pipe or tube) or steel sheet is run to bevel edges prior to its being formed into tube.
Industry:Mining
In the isometric system, cleavage parallel to the faces of an octahedron.
Industry:Mining
In the Lake Superior region, a term for native copper occurring in large masses.
Industry:Mining
In the Lake Superior region, the lowest of the stratified schists; the crystalline schists.
Industry:Mining
In the metallurgical nomenclature of slags, the ratio of the weight of oxygen in the acid to the weight of oxygen in the base.
Industry:Mining
In the mineral process of froth flotation, raising of acrophilic particles to the surface of a pulp, by so activating them that they cling to the air-water interface of a rising or coursing air bubble.
Industry:Mining
In the mining law, the posting of notice at or near the point where the ledge is exposed; next, the recording of the notice; next, the marking of the boundaries.
Industry:Mining
In the quarry industry, a foreman who directs and supervises the work of drilling and splitting stone.
Industry:Mining
In the quarry industry, a laborer who controls the movement of a barge in a river as it is loaded with crushed rock.
Industry:Mining
