- المجال: 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 form of fork having many tines, used to remove obstructions from a sluiceway.
Industry:Mining
A form of gas or liquid flowmeter consisting of a diaphragm in which there is an orifice placed transversely across a pipe; the difference in pressure on the two sides of the diaphragm is a measure of flow velocity.
Industry:Mining
A form of hydrogen embrittlement that may be induced in some metals by acid treatment.
Industry:Mining
A form of joint between the tubing used to line a collar (or a crossbar) and the arms (or uprights) of a timber set; developed in the Welsh coal mines. A Welsh notch is designed to be equally effective in resisting side and roof pressure.
Industry:Mining
A form of leggings that protect the shinbone. They are designed in both metal and tough plastic and are secured by leather straps around the legs.
Industry:Mining
A form of locomotive that is serviceable over rough roads. A trailer, with capacity up to 16 yd<sub>3</sub>(12.2 m<sub>3</sub>), with bottom discharge or two-way side discharge is used with the tractor. The maximum speed is about 6 m/h.
Industry:Mining
A form of metal characterized by a porous condition, which is the result of the decomposition or reduction of a compound without fusion. Metal has the appearance of a sponge due to high porosity.
Industry:Mining
A form of pressure filter, noncontinuous in operation; used in coal preparation for the removal of water from slurries, tailings, and similar products.
Industry:Mining
A form of roasting furnace, built in compartments or stalls open in front, with flues running up the wall at the back for the purpose of creating a draft.
Industry:Mining
