- 行业: Mining
- Number of terms: 33118
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- 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 ...
OH; the characteristic radical of bases, consisting of one atom of hydrogen and one atom of oxygen. The valence of this radical or anion is -1.
Industry:Mining
Oil obtained by the distillation of coal tar. Oils are classified into light and heavy oils. A light oil is one having a specific gravity less than 1.000 and contains the coal-tar napthas. Heavy oils sink in water and contain such compounds as creosote, anthracene, anthracene oil, etc.
Industry:Mining
Oil, such as creosote oil, pine oil, or turpentine. Used to wet a particular component of a powdered material and cause it to concentrate in an airy froth.
Industry:Mining
Oil-immersion lens used in microscopy to help concentrate light on the object under examination.
Industry:Mining
Oils having the property of forming permanent emulsions or almost clear solutions with water.
Industry:Mining
Oils used in heat treating. Fish oils are often used. Minerals, fish, vegetable, and animal oils are often compounded and sold under trade names.
Industry:Mining
Olivine-rich basalt, as formed by the settling of olivine in thick flows and sills. Commonly contains 50% or more olivine.
Industry:Mining
On a boiler, the closing of all openings and pumping water into the boiler at a pressure (such as 50%) greater than the normal operating pressure. The purpose is to locate leaks or prove that there are no leaks.
Industry:Mining
