- Industry: Mining
- Number of terms: 33118
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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 ...
NaVO<sub>3</sub>; a ferro-electric compound having potential use as a special electroceramic. The Curie temperature is approx. 330 degrees C.
Industry:Mining
Net tonnage of ore available for milling after eliminating waste and unpayable material.
Industry:Mining
Newc. The small coal hewn out in undercutting or channeling. Also, in some localities, called bug dust.
Industry:Mining