- 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 ...
The measurement of temperature in boreholes by use of a delicate thermometer that will record temperature anomalies of as much as 7 degrees F (3.9 degrees C) for thin coal seams in coal measures according to the thermal conductivity of the rocks concerned.
Industry:Mining
The measurement of the cloudiness of a medium; esp. the determination of the concentration or particle sizes of a suspension by measuring, at more than one angle, the scattering of light transmitted or reflected by the medium. Compare: turbidimetry
Industry:Mining
The mechanical loosening and removal of weakly resistant material solely by the pressure and hydraulic force of flowing water, as by a stream surging into rock cracks or impinging against the bank on the outside of a bend, or by a jet of water impacting a gravel bank.
Industry:Mining
The mechanics of fluids, including hydrostatics, hydrodynamics, hydrokinetics, and pneumatics.
Industry:Mining
The mechanism by which a dipper shovel bucket is pulled back out of the digging.
Industry:Mining
The mechanism for opening the valves of a steam engine by hand in starting.
Industry:Mining
The mechanism of the refuse extractor that may be manually or automatically operated to control the rate of removal of reject from the washbox.
Industry:Mining
