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United States Bureau of Mines
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 feathery variety of muscovite.
Industry:Mining
A feed chute vibrated electromagnetically in a direction oblique to its surface. Rate of movement of material depends on amplitude and frequency of vibration.
Industry:Mining
A feeder circuit is a conductor or group of conductors and associated protective and switching devices installed on the surface, in mine entries, or in gangways, but not extending beyond the limits set for permanent mine wiring.
Industry:Mining
A feeder consisting of a rotating horizontal metal disk under the opening of a bin such that the rate of turning or opening of the gate governs the quantity delivered.
Industry:Mining
A feeder consisting of a rotating horizontal metal disk under the opening of a bin such that the rate of turning or opening of the gate governs the quantity delivered.
Industry:Mining
A feeder consisting of a rotating horizontal metal disk under the opening of a bin such that the rate of turning or opening of the gate governs the quantity delivered.
Industry:Mining
A feeder in which a power-operated, swinging quadrant gate delivers material at a predetermined rate. The action is similar to a reciprocating plate feeder.
Industry:Mining
A feeder in which the material is carried on an apron conveyor and in which the rate of feed is adjusted either by varying the depth of material or the speed of the conveyor, or both.
Industry:Mining
A feeder in which the material is carried on an apron conveyor and in which the rate of feed is adjusted either by varying the depth of material or the speed of the conveyor, or both.
Industry:Mining
A feeder in which the material is carried on an apron conveyor and in which the rate of feed is adjusted either by varying the depth of material or the speed of the conveyor, or both.
Industry:Mining
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