- 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 ...
In bituminous coal mining, a foreman who is in immediate charge of all mining operations in a strip mine.
Industry:Mining
Design of a structure based on working stresses which are about one-half to two-thirds of the elastic limit of the material. For redundant frames, this method of design is replaced by the plastic design.
Industry:Mining
Miner's occupational disease, a form of lung consumption associated with or aggravated by work in dusty surroundings, such as badly ventilated underground workings.
Industry:Mining
Distinct clusters of megascopic crystals as in a glomerophorphyritic rock.
Industry:Mining
Containing voids, pores, cells, interstices, and other openings, which may or may not interconnect.
Industry:Mining
Ore that cannot be included as proved or probable, nor definitely known or stated in terms of tonnage.
Industry:Mining
Metallurgical process in which iron or suitable alloy is quenched by abrupt cooling from or through a critical temperature range.
Industry:Mining
In heat treatment, aging by increasing the temperature in steps or continuously during the aging cycle.
Industry:Mining
Crushing and pulverizing machines next in line after the primary crushing to further reduce the particle size of shale or other rock.
Industry:Mining
