- 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 one-way or closed-circuit conveyor powered by a flexible, torque-transmitting cable of which helical (screw) threads are an integral part. Loads or load carriers engage the thread and advance a distance equal to one pitch each revolution of the cable screw.
Industry:Mining
A orthorhombic mineral, Ca<sub>3</sub>Si<sub>2</sub>O<sub>7</sub>; dimorphous with rankinite, which it replaces at Kilchoan, Ardnamurchan, Scotland.
Industry:Mining
A oven for heating and gradually cooling metals or glass to render them less brittle.
Industry:Mining
A oven for heating and gradually cooling metals or glass to render them less brittle.
Industry:Mining
A pack formed by working 5 to 10 yd (4.6 to 9.1 m) of coal along a rib-side of a road and packing the waste.
Industry:Mining
A package or cartridge of cap-sensitive explosive which is specif. designed to transmit detonation to other explosives and which contains a detonator.
Industry:Mining
A packer designed so that a borehole can be sealed simultaneously at two separated points.
Industry:Mining
A paddlelike implement used to shut off the flow of metal from a mold and divert it to other molds.
Industry:Mining