- Branża: Mining
- Number of terms: 33118
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- 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 byproduct coke oven having two outer zones in the heating system and one double inner zone. In this oven, the gas is alternately burned upwards in the two outer zones with the products of combustion being carried down through the double inner zone and, on reversal, burned upwards in the double inner zone with the products of combustion being carried down through the two outer zones. Known as a double-divided oven.
Industry:Mining
A byproduct in iron smelting, consisting of calcium-aluminum silicon carbide; used as a substitute for calcium carbide.
Industry:Mining
A cable designed to be installed horizontally (or nearly so) for power circuits in mine gangways and entries.
Industry:Mining
A cable mounted in a shaft to transmit electrical power to the shaft bottom and/or to an intermediate level.
Industry:Mining
A cable notable for its resistance to moisture, but not suitable for high temperatures. The wires are tinned to prevent reaction with the sulfur in the bitumen. Outside the bitumen are layers of tape and jute, and one or two layers of steel armoring; outside each layer of steel armoring are layers of serving compound.
Industry:Mining
A cable that is wrapped with metal, usually steel wires or tapes, primarily for physical protection.
Industry:Mining
A cableway excavator designed specif. for levee work, but which is used extensively in the stripping of overburden, spoil, or waste in surface mining. The unit is basically an excavator with towers either fixed or movable. With the headtower located on the spoil pile and the tail tower on the unexcavated wall, it is possible to dig pits of almost unlimited width.
Industry:Mining
A cableway tower hinged at the base and sustained by adjustable guys so that its inclination can be varied.
Industry:Mining
