upload
United States Bureau of Mines
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 ...
Slate, size 20 in by 10 in (50.8 cm by 25.4 cm); a duchess is 24 in by 12 in (61.0 cm by 30.5 cm), and a princess is 24 in by 14 in (61.0 cm by 35.6 cm). Terms descriptive of slate trimmed for roofing.
Industry:Mining
Slats of wood nailed across the bottom of a cradle or other gold-washing machine for the purpose of detaining the gold.
Industry:Mining
Sliding friction is the resistance offered when one body slides over another body. The amount of friction or resistance is dependent on the laws of friction.
Industry:Mining
Slight irregularity of orientation of small, angular, and granular regions of varying sizes in a crystal.
Industry:Mining
Slime, ooze, slimy alluvial deposit. Also spelled glet.
Industry:Mining
Sloughing box, used to separate slime (as overflow) from faster-settling portion of solids in pulp.
Industry:Mining
Slow crack propagation that is accompanied by noticeable plastic deformation and requires energy to be supplied from outside the body.
Industry:Mining
Slow-burning fuse that has been cut open at the lighting end for ease of ignition. A small quantity of the plastic explosive used in the hole is sometimes inserted in the cut.
Industry:Mining
Slowly moving air currents can be directly observed by using smokes. These may range from simple dust clouds, through various chemical smokes, to more refined techniques employing gas and radioactive tracers. Various chemicals have been used, including stannic chloride, titanium tetrachloride, and pyrosulfuric acid. These materials give off white fumes when their vapors come into contact with atmospheric moisture. The method in common use is to carry the chemical in sealed glass ampules, which can be broken when an observation is to be made.
Industry:Mining
Sluice aqueduct, leat, or launder that leads water to head of operation or to waterwheel. A forebay.
Industry:Mining
© 2024 CSOFT International, Ltd.