- 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 ...
Silica sand to which a binding material has been added to obtain good cohesion and porosity after drying for the purpose of making cores.
Industry:Mining
Silicate mineral with silica tetrahedra linked by shared oxygens into infinite onedimensional chains. Single chains characterize pyroxenes; double chains characterize amphiboles; and wider chains grade toward sheet structures.
Industry:Mining
Siliceous sinter scaly, or filamentous incrustation of opaline silica deposited by precipitation from the waters of a geyser.
Industry:Mining
Silicon bronze is a noncorroding alloy with copper and tin. Silicon copper (70% to 80% copper and 20% to 30% silicon) is an alloy added to molten copper or brass to remove oxygen. Silicon iron is a grain-improved iron, corrosion resistant.
Industry:Mining
Silicosis that is not complicated by tuberculosis; a condition that may remain almost stationary for many years.
Industry:Mining
Silver bromide, AgBr; silver iodide, AgI; silver chloride, AgCl; and silver fluoride, AgF. The bromide and chloride are sensitive to light and are of basic importance in photography.
Industry:Mining
