- 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 digging bucket mounted to slide along the boom of an excavator so that the bucket can be used to trim various angles of slope from the horizontal to about 60 degrees elevation.
Industry:Mining
A digging bucket of basket construction, used in handling sticky, chunky mud.
Industry:Mining
A digging machine that has the machinery deck and attachment on a vertical pivot, so that it can swing independently of its base.
Industry:Mining
A dike filled by sediment, generally sand, in contrast to a plutonic dike filled by volcanic materials.
Industry:Mining
A dike formed by two or more intrusions of different compositions into the same fissure.
Industry:Mining
A dike made up of two or more intrusions of the same kind of igneous rock.
Industry:Mining
A dike that has been intruded into hot country rock. Pegmatites and aplites commonly occur in this mode.
Industry:Mining
A dilute solution of silver cyanide, containing potassium cyanide, in which articles to be silver-plated are dipped before being immersed in the silver bath proper.
Industry:Mining
A dimensionless number, the value of which, taken in conjunction with inclination, roughness, and whether the ventilation is ascensional or descensional, determines the mixing and movement of combustible gases roof layers.
Industry:Mining
