upload
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 ...
The chemical bond between glued or cemented surfaces as distinct from any form of mechanical bond.
Industry:Mining
The chemical condition in which metal is fit to be cast into ingots.
Industry:Mining
The chemical reaction that takes place in many roasting operations in which metallic sulfates form instead of oxides.
Industry:Mining
The chemical study of artificial and naturally occurring radioactive materials and their behavior. It includes their use in tracer studies and other chemical problems.
Industry:Mining
The chemically resistant dioxide of silicon, SiO<sub>2</sub>; occurs naturally as five crystalline polymorphs: trigonal and hexagonal quartz, orthorhombic and hexagonal tridymite, tetragonal and isometric cristobalite, monoclinic coesite, and tetragonal stishovite. Also occurs as cryptocrystalline chalcedony, hydrated opal, the glass lechatelierite, skeletal material in diatoms and other living organisms, and fossil skeletal material in diatomite and other siliceous accumulations. Also occurs with other chemical elements in silicate minerals.
Industry:Mining
The chief portion of tin ore separated from waste in the principal dressing beneficiation operation.
Industry:Mining
The chipping or spalling of ceramic ware by repeated heating and cooling.
Industry:Mining
The chips and pulverized rock produced by the abrasive and chipping action of a drag, roller bit, or diamond bit when used on a diamond- or rotary-drill machine to drill a borehole. Compare: cuttings
Industry:Mining
The circle passing through the chain joint centers when the chain is wrapped on the sprocket.
Industry:Mining
The circular horizontal plate of a theodolite, accurately divided so that horizontal angles can be precisely measured.
Industry:Mining
© 2024 CSOFT International, Ltd.