- 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 large-scale blast in which explosives in bulk are placed in excavated subterranean chambers.
Industry:Mining
A large-scale blast in which explosives in bulk are placed in excavated subterranean chambers.
Industry:Mining
A large-scale blast in which explosives in bulk are placed in excavated subterranean chambers.
Industry:Mining
A large-scale drawing showing all small parts, details, dimensions, etc.
Industry:Mining
A large-scale map showing the boundaries of subdivisions of land, usually with the directions and lengths thereof and the areas of individual tracts, compiled for the purpose of describing and recording ownership. It may also show culture, drainage, and other features relating to use of the land.
Industry:Mining
A large-size, swivel-type double-tube core barrel designed for soil-testing work to obtain relatively undisturbed corelike samples of soft rock and/or soil formations. The inner tube is provided with a thin wall liner and a finger- or basket-type core lifter or coreretaining device.
Industry:Mining
A large-size, swivel-type double-tube core barrel designed for soil-testing work to obtain relatively undisturbed corelike samples of soft rock and/or soil formations. The inner tube is provided with a thin wall liner and a finger- or basket-type core lifter or coreretaining device.
Industry:Mining
A latch provided on a hook or elevator to prevent it from becoming detached prematurely. Compare: safety hook
Industry:Mining
