- 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 ...
A valve that permits flow to be directed into any one of two or more pipes.
Industry:Mining
A valve that proves the cage is in the correct position relative to the decking level.
Industry:Mining
A valve that will allow air or fluid to escape if its pressure becomes higher than the valve setting.
Industry:Mining
A valve that will allow air or fluid to escape if its pressure becomes higher than the valve setting.
Industry:Mining
A valve that, in opening, is lifted bodily from its seat by its spindle instead of being hinged at one side.
Industry:Mining
A variable composition between the center and surface of a unit of structure (such as a dendrite, grain, or carbide particle) resulting from nonequilibrium growth that occurs over a range of temperature.
Industry:Mining
A variant of the clamshell bucket with four or five leaves instead of the clamshell's two. Each leaf ends in a reinforced point. Its digging ability is less than that of the clamshell, and its principal use is for underwater excavation and digging.
Industry:Mining
