- 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 ...
Synthetic Pb<sub>5</sub>(GeO<sub>4</sub>)<sub>3</sub>Cl ; forms apatite structure.
Industry:Mining
Synthetic tetragonal silica, SiO<sub>2</sub>; crystallized hydrothermally at high pressure.
Industry:Mining
Synthetic triclinic CaSiO<sub>3</sub>polymorphous with wollastonite-1T, wollastonite-2M, and wollastonite-7T.
Industry:Mining
Synthetic; Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>; has useful magnetic properties. Actually not a true garnet and should not be confused with any of the silicate minerals called garnets in the garnet group of minerals. Manufacture of yttrium-aluminum garnets is a commercial use of yttrium. Used in lasers and in microwaves and other electronic applications. Acronym and abbrev., yag.
Industry:Mining
Synthetic; Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub>; has useful magnetic properties. Actually not a true garnet and should not be confused with any of the silicate minerals called garnets in the garnet group of minerals. Manufacture of yttrium-iron garnets is a leading commercial use of yttrium. Used as electronic transmitters, as filters for selecting or tuning microwaves, and as transmitters and transducers of acoustic energy. Acronym and abbrev., yig.
Industry:Mining
System composed of: a compressor, which provides airflow; a feeder, which meters the flow of material into a pipeline; and the pipeline-- for transporting coarse, dry, noncohesive material.
Industry:Mining
System in which television cameras relay pictures of conditions at important points in a plant, thereby aiding workers to watch inaccessible places and exercise extended control.
Industry:Mining
