- 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 mechanical device for removing a soil sample from a sampling tube; usually consists of a piston driven by a jackscrew or a hydraulic mechanism.
Industry:Mining
A mechanical device for the application of cement, in the form of gunite, to the walls or roofs of mine openings or building walls.
Industry:Mining
A mechanical device for the application of cement, in the form of gunite, to the walls or roofs of mine openings or building walls.
Industry:Mining
A mechanical device for the rapid stemming of shotholes. It consists of a sand funnel connected by a T-piece to the charge tube, one end of which is provided with a valve and fittings to the compressed air column. The funnel is filled with sand, which is held uppermost, and the charge tube is inserted into the shothole. The sand is injected by the compressed air, and the tube is gradually withdrawn as the hole is being filled.
Industry:Mining
A mechanical device for transferring either liquids or gases from one place to another, or for compressing or attenuating gases.
Industry:Mining
A mechanical device that automatically selects two samples as the ore passes through.
Industry:Mining
A mechanical excavating appliance consisting of a steel scoop bucket that is suspended from a movable jib; after biting into the material to be excavated, it is dragged toward the machine by means of a wire rope.
Industry:Mining
A mechanical excavator working on the same principle as a bucket-ladder dredge, but adapted for use on land.
Industry:Mining
A mechanical installation for the tramming of rock, ore, or coal; operated by ropes, compressed air, or electricity.
Industry:Mining
