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United States Bureau of Mines
行业: 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 ...
Maceral having a high hydrogen content, such as exinite and resinite.
Industry:Mining
Maceral having a normal hydrogen content, such as vitrine.
Industry:Mining
Macerals having a low hydrogen content, such as fusinite.
Industry:Mining
Machine in which the air used to generate a mineralized froth is blown into the cell, either through a porous septum at or near the bottom, or by pipes that bring low-pressure air to that region.
Industry:Mining
Machine that helps the aggregate to consolidate with minimum interstitial porosity. Gives greater strength as less water is incorporated in the mix, and as consolidation is better than with punning.
Industry:Mining
Machine that prints information computed from its memory or store.
Industry:Mining
Machine that shears coal or other easily broken mineral from the longwall face of a seam and delivers the broken material continuously to a conveying system.
Industry:Mining
Machines for sharpening detachable bits and for making shanks.
Industry:Mining
Made from four (or less) parts of sand, one of cement, and adequate water.
Industry:Mining
Made luminous by heat; white or glowing with heat.
Industry:Mining
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