- 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 cutting disk, the edge of which is impregnated with an abrasive, such as diamond dust or aloxite. It is rotated at high speed in a coolant and used to cut rock specimens into suitable thin sections for microscopic inspection in transmitted light with a polarizedlight microscope or, after polishing, with a reflected-light (ore) microscope.
Industry:Mining
A cutting machine designed esp. for cutting through the seam at a high level above the footwall.
Industry:Mining
A cutting tool--made of tungsten carbide, titanium carbide, tantalum carbide, or combinations of them, in a matrix of cobalt or nickel--having sufficient wear resistance and heat resistance to permit high machining speeds.
Industry:Mining
A cycle in which two different media are employed, one superimposed on and augmenting the cycle of the other.
Industry:Mining
A cyclic crystal twin consisting of three individuals. Compare: fourling; fiveling; eightling.
Industry:Mining
A cyclic crystal twin consisting of three individuals. Compare: fourling; fiveling; eightling.
Industry:Mining
A cyclic crystal twin consisting of three individuals. Compare: fourling; fiveling; eightling.
Industry:Mining
A cylinder containing chemically treated sand and used for stemming shotholes in coal mines.
Industry:Mining
