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United States Bureau of Mines
Industry: 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 ...
Essentially a paving breaker, an impact hammer driven by air, designed and adapted for driving wood sheathing.
Industry:Mining
Essentially, a shallow tank, usually cylindrical, which is kept agitated by hydraulic water and/or stirring devices. Pulp fed to the tank is separately discharged as a free-settling fraction containing the coarser and heavier particles and an overflowing fraction containing the finer, lighter material.
Industry:Mining
Essentially, the introduction of power machines to replace manual labor. In coal mining, it may denote the introduction of conventional machine mining to replace hand mining, or continuous mining to replace conventional machine mining.
Industry:Mining
Established compass or transit course for alignment of working places, usually marked on the roof.
Industry:Mining
Establishing an electrical connection between a conductor and the earth. An important safeguard in electrical installations.
Industry:Mining
Estimating the value of a block from a set of nearby sample values using kriging.
Industry:Mining
Estimation of a statistical value from its mathematical or graphical position intermediate in a series of determined points.
Industry:Mining
Etching agent consisting of 10% chromium trioxide in water. Used in the analysis of carbon steels.
Industry:Mining
Etching of a metal surface for accentuation of gross structural details and defects for observation by the unaided eye or at magnifications not exceeding 10 diameters.
Industry:Mining
Ethyl alcohol.
Industry:Mining