- Sektör: 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 diamond-drill feed screw that rotates in a clockwise direction.
Industry:Mining
A diamond-drill rod chuck having jaws with clamping and unclamping movements actuated hydraulically instead of by hand-turned setscrews.
Industry:Mining
A diamond-point bit with the wings of the point twisted in a shallow, augerlike spiral.
Industry:Mining
A diamond-point bit with the wings of the point twisted in a shallow, augerlike spiral.
Industry:Mining
A diamond-point bit with the wings of the point twisted in a shallow, augerlike spiral.
Industry:Mining
A diamond-shaped coal-cutter pick that is held in a special holder and chain. Both ends of the pick are used and then discarded. The type is used widely in the United States.
Industry:Mining
A diamond-weight calculator which estimates to within a few hundredths the weights of brilliant-cut diamonds only, by simple measurements of width and depth of both set or unset diamonds.
Industry:Mining
A diaphragm made up of meshing or interlocking members of wood, steel, concrete, etc., driven individually to form an obstruction to percolation, to prevent movement of material, for cofferdams, for stabilization of foundations, etc.
Industry:Mining
