- 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 version of the catalytic methanometer with the addition of improved detector elements. Platinum may be used as the filament that both heats the detecting element and acts simultaneously as a resistance type thermometer. Gas is drawn through the instrument by a rubber suction bulb, and the filaments are heated from a dry battery of the mercury type contained in the apparatus. Readings of methane concentration can be taken on the built-in electrical meter.
Industry:Mining
A vertical conveyor having one or more endless chains with suitable pendant trays, cars, or carriers that receive objects at one elevation and deliver them to another elevation.
Industry:Mining
A vertical conveyor having one or more endless chains with suitable pendant trays, cars, or carriers that receive objects at one elevation and deliver them to another elevation.
Industry:Mining
A vertical conveyor having one or more endless chains with suitable pendant trays, cars, or carriers that receive objects at one elevation and deliver them to another elevation.
Industry:Mining
A vertical conveyor having one or more endless chains with suitable pendant trays, cars, or carriers that receive objects at one elevation and deliver them to another elevation.
Industry:Mining
A vertical conveyor having one or more endless chains with suitable pendant trays, cars, or carriers that receive objects at one elevation and deliver them to another elevation.
Industry:Mining
A vertical cut made by a special type of coal cutter or arc-shearing machine.
Industry:Mining
A vertical cut made by a special type of coal cutter or arc-shearing machine.
Industry:Mining
A vertical cylindrical hole, formed by solution and often without surface expression, that is filled with detrital matter.
Industry:Mining