- 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 ...
That part of the coal output at a colliery that is used for steam generation and other purposes connected with the working of the colliery itself.
Industry:Mining
That part of the Earth's crust that is under sufficient pressure to prevent fracturing, i.e., is ductile, so that deformation is by flow. Compare: zone of fracture.
Industry:Mining
That part of the land surface where water passes downward on its way to the zone of saturation in one or more aquifers.
Industry:Mining
That part of the mined strata that has completely settled down after subsidence.
Industry:Mining
That part of the reserve base that, at the time of determination, borders on being economically producible. Its essential characteristic is economic uncertainty. Included are resources that would be producible, given postulated changes in economic or technologic factors.
Industry:Mining
That part of the sea floor extending from the low tide line to a depth of 200 m.
Industry:Mining
That part of the total energy that can be usefully employed. In a perfect engine, that part which is converted to work.
Industry:Mining
That part of the washbox into which the refuse extractor discharges.
Industry:Mining
That part of the washbox over which the feed passes when it enters the box. Usually the feed sill is a part of the feed-end refuse extraction chamber.
Industry:Mining
