- 업종: 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 device for sand dredging; the drag has a hinged afterbody that adjusts to the angle of the drag arm, which may vary with the depth of water.
Industry:Mining
A device for screening and scalping that consists of a series of spaced rotating, parallel rolls so constructed as to provide openings of a fixed size.
Industry:Mining
A device used to reduce the volume of a sample consisting of a belled, rectangular container, the bottom of which is fitted with a series of narrow slots or alternating chutes designed to cast material in equal quantities to opposite sides of the device.
Industry:Mining
A device for separating dry incoherent material (such as sediment) into truly representative samples of workable size for laboratory study.
Industry:Mining
A device for separating gangue from uranium-bearing ore, after primary crushing.
Industry:Mining
A device for sinking shafts of small diameter through silt or clay without excessive loss of ground.
Industry:Mining
A device for throwing mechanical parts in or out of gear, or for readily shifting in or away from a fixed relative position.
Industry:Mining
A device for tieing off and securing the tension in the wire ropes of a wire-rope, sideframed, intermediate section.
Industry:Mining
A device giving contactless control of a circuit; e.g., a transistor, thyratron, saturable reactor, etc.
Industry:Mining
