- 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 attached to drill rods and used to remove sand from a borehole. Compare: mule shoe.
Industry:Mining
A device attached to the intake of a dust-sampling instrument to remove the bulk of the particles above 5 to 10 mu m in size; thus the resulting sample is more representative of the health-hazard size range of dust-- mainly 5 mu m and smaller.
Industry:Mining
A device by means of which the flow of gas or fluid can be made to cease--usually not with the intention of metering or regulating the flow.
Industry:Mining
A device by which coarse material in placer gravel is separated from the fines and elevated onto a dump.
Industry:Mining
A device by which straight-type wedge can be attached to a diamond-drill rod, lowered, and set in a borehole.
Industry:Mining
A device by which the winding or haulage engineman can see on a dial or panel the position of the cages in a shaft or the journey on the haulage plane.
Industry:Mining
A device connecting the water hose to the drill-rod string and designed to permit the drill string to be rotated in the borehole while water is pumped into it to create the circulation needed to cool the bit and remove the cuttings produced.
Industry:Mining
A device connecting the water hose to the drill-rod string and designed to permit the drill string to be rotated in the borehole while water is pumped into it to create the circulation needed to cool the bit and remove the cuttings produced.
Industry:Mining
A device connecting the water hose to the drill-rod string and designed to permit the drill string to be rotated in the borehole while water is pumped into it to create the circulation needed to cool the bit and remove the cuttings produced.
Industry:Mining
A device connecting the water hose to the drill-rod string and designed to permit the drill string to be rotated in the borehole while water is pumped into it to create the circulation needed to cool the bit and remove the cuttings produced.
Industry:Mining
