- 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 short rod or shaft attached to the shift-gear shaft by means of which the ratio of the driving to the driven gears may be changed in a gear-feed swivel head of a diamond drill or other transmission-gear mechanism.
Industry:Mining
A short rod used as a lever or handle for turning a jackscrew or a spanner by being inserted loosely in the hole provided for that purpose.
Industry:Mining
A short section of a shaker conveyor trough that serves as a connecting link between any two sizes of trough.
Industry:Mining
A short section of trough, designed for insertion in a standard shaker trough, which will allow the coal to be unloaded at that point by being diverted to either side by the unloading trough. C-clamps are used to hold the unloading section in place.
Industry:Mining
A short shaft or countershaft in a diamond-drill gear-feed swivel head rotated by the drill motor through gears or a fractional drive and by means of which the engaged pair of feed gears is driven.
Industry:Mining
A short shaft or countershaft in a diamond-drill gear-feed swivel head rotated by the drill motor through gears or a fractional drive and by means of which the engaged pair of feed gears is driven.
Industry:Mining
A short shaft-type blast furnace that can be used to produce pig iron and ferroalloys from low-grade ores, using low-grade fuel. The air blast is often enriched with oxygen. It can also be used for making a variety of other products such as alumina, cement-making slags, and ammonia synthesis gas.
Industry:Mining
A short sluice much wider than the main sluice and set on a steeper grade, generally at right angles to the main sluice. It is designed to save fine gold that does not readily settle.
Industry:Mining
