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United States Bureau of Mines
Industry: 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 ...
An assessment of the ease with which a coal can be ignited.
Industry:Mining
An assessment of the speed of combustion of a coal under specified conditions.
Industry:Mining
An assessment on mining stock.
Industry:Mining
An assistant to a surveyor.
Industry:Mining
An association of individuals, at least seven in number, who together subscribe the necessary means or capital--i.e., money, property, or other credit--to engage in a joint undertaking.
Industry:Mining
An association of minerals not in thermodynamic equilibrium.
Industry:Mining
An association of ring dikes and cone sheets.
Industry:Mining
An assumption in the design calculation of beams. It states that the stress at any point due to bending is assumed as being proportional to its distance from the neutral axis.
Industry:Mining
An astatic gravity meter of the balance type, consisting of a mass at the end of a nearly vertical arm, supported by a main spring inclined to the vertical at about a 45 degrees angle. The beam rises and falls with gravity variation, but is restored to its normal position by a sensitive weighing spring tensioned by a micrometer screw.
Industry:Mining
An atmosphere containing more than 23.5% oxygen by volume.
Industry:Mining