- Industry: Mining
- Number of terms: 33118
- Number of blossaries: 0
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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 ...
In powder metallurgy, size distribution of particles all of which will pass through a 44- mu m (No. 325) standard sieve, as determined by specified methods.
Industry:Mining
In powder metallurgy, that portion of a powder sample that passes through a standard sieve of specified number and is retained by some finer sieve of specified number.
Industry:Mining
In powder metallurgy, the classification of metal powders into particle size ranges by means of a controlled airstream.
Industry:Mining
In powder metallurgy, the portion of a powder sample that passes through a standard sieve of specified number. Contrast with plus sieve.
Industry:Mining
In powder metallurgy, the ratio of the determined density of a compact to the absolute density of metal of the same composition, usually expressed as a percentage.
Industry:Mining
In power shovel nomenclature, crowding is the thrusting of the dipper stick forward over the shipper shaft; retracting is the reverse of crowding.
Industry:Mining
In power-shovel nomenclature, the shovel front is composed of a main boom and a secondary boom known as the dipper stick, at the outer end of which is the dipper or shovel bucket.
Industry:Mining
In practical mining operations, a term applied to the statutory certificate of location, and a certificate or statement of the location, containing a description of the mining claim, verified by the oath of the locator, performing, when recorded, a permanent function. It is the beginning of the locator's paper title, is the first muniment of such title, and is constructive notice to all the world.
Industry:Mining
