- المجال: 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 metal on which an oxide film that prevents further attack on the metal is readily formed. When a metal other than a noble metal has a high resistance to corrosion, it is because of passivity; e.g., chromium, nickel aluminum, tin, and various alloys.
Industry:Mining
A metal plate lining the bearings or recesses in which the trunnions rest.
Industry:Mining
A metal plate that serves as partial or total support for devices used with shaker conveyors where the device must move or slide on the bottom. The shovel trough of a duckbill and certain types of swivels or angle troughs use this device.
Industry:Mining
A metal plate used under rails where they rest on ties. The rail is spiked to the tie through holes in the plate.
Industry:Mining
A metal plate with raised areas, to be inserted in the bottom of shaker conveyor troughs and held in place by spot welding. The raised areas assist coal travel on steep grades or under wet conditions.
Industry:Mining
A metal roll cast in a mold of sand; distinguished from a chilled roll, which is cast in an iron mold or chill.
Industry:Mining
A metal that has been worked by cold rolling, forging, pressing, drawing, or extension.
Industry:Mining
A metal wedge, driven into a wooden or soft-metal base plug in a borehole, that acts as a fixed point on which and by means of which a deflection wedge may be set and oriented.
Industry:Mining
A metal with marked resistance to chemical reaction, particularly to oxidation and to solution by inorganic acids. The list includes mercury and the precious and platinumgroup metals. Compare: base metal See also: noble
Industry:Mining
A metal-cased rubber block that allows limited motion to a support or thrust member.
Industry:Mining
