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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 system of sintering powdery metalliferous ores.
Industry:Mining
A system of storage and issue for lead-acid-battery-operated lamps, whereby the user has direct access to the charging racks for the purpose of connecting or disconnecting a lamp from the charging circuit.
Industry:Mining
A system of storage in lamp-room-operation charging and issue for alkaline-type car lamps, that allows a user access only to the storage racks for the purpose of lamp collection or return. Charging is controlled by a lamp-room attendant.
Industry:Mining
A system of two intersecting sets of parallel faults.
Industry:Mining
A system of underground haulage in which a single rope is used, the empty trip running in by gravity. Engine-plane haulage.
Industry:Mining
A system of underground haulage in which the weight of the empty cars is sufficient to draw the rope in.
Industry:Mining
A system of underground mine lighting in which the lamps are fed from the main electrical supply. It is used principally at the pit bottom, using filament lamps in either transparent well glass or prismatic bulkhead fittings.
Industry:Mining
A system of using a shield for driving a tunnel in silts that are nearly fluid.
Industry:Mining
A system of ventilating a number of faces consecutively by the same air current.
Industry:Mining
A system of ventilation in which each working face is ventilated by a separate air current.
Industry:Mining
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