- 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 ...
Water that does not lather readily when used with soap, and that forms a scale in containers in which it has been allowed to evaporate; water with more than 60 mg/L of hardness-forming constituents, expressed as CaCO<sub>3</sub>equivalent.
Industry:Mining
Water that is chemically combined in a crystalline substance to form a hydrate, but that may be driven off by heat.
Industry:Mining
Water that is discharged from active or abandoned mines or other areas affected by mineral exploration or surface mining and reclamation operations that contains a substance that through chemical action or physical effects is likely to kill, injure, or impair biota commonly present in the area(s) to which it might be exposed.
Industry:Mining
Water that is fed into the cells of a washbox below the level of the screen plate.
Industry:Mining
Water that is often purified, heated to nearly boiler temperature, and deaerated before being pumped into a steam boiler by the feed pump.
Industry:Mining
Water through which coal gas has been passed and which has absorbed the impurities of the gas.
Industry:Mining
Water used to assist the flow of materials in chutes or launders. Compare: top water
Industry:Mining
Water with a pH of less than 6.0 and in which total acidity exceeds total alkalinity; discharged from an active, inactive, or abandoned surface coal mine and reclamation operation.
Industry:Mining
Water, generally of a spring or geyser, whose temperature is appreciably above the local mean annual air temperature.
Industry:Mining
