- المجال: 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 ...
A very commonly used type of screw with clear-cut threads and of a variety of head shapes. It may be used either with or without a nut.
Industry:Mining
A very corrosive, fuming, yellow liquid made by mixing nitric and hydrochloric acids, usually in the proportion of one part by volume of pure nitric acid with three parts by volume of pure hydrochloric acid. Used in dissolving metals such as gold and platinum and in etching.
Industry:Mining
A very corrosive, fuming, yellow liquid made by mixing nitric and hydrochloric acids, usually in the proportion of one part by volume of pure nitric acid with three parts by volume of pure hydrochloric acid. Used in dissolving metals such as gold and platinum and in etching.
Industry:Mining
A very corrosive, fuming, yellow liquid made by mixing nitric and hydrochloric acids, usually in the proportion of one part by volume of pure nitric acid with three parts by volume of pure hydrochloric acid. Used in dissolving metals such as gold and platinum and in etching.
Industry:Mining
A very fine, slow-motion screw giving a tangential movement for making the final setting to a precision surveying instrument (such as for completing the alignment of sight 3235 on a theodolite or transit by gentle rotation of the reading circle about its axis). Compare: Stebinger drum
Industry:Mining
A very fine-grained limestone containing spots or tubes of crystalline calcite.
Industry:Mining
A very fine-grained sandstone that is so loosely consolidated by a little calcareous cement as to be readily cut by a spade.
Industry:Mining
A very fine-grained siliceous rock, containing up to 25% calcite, quarried in central Turkey and used as a whetstone; novaculite.
Industry:Mining
A very fine-grained siliceous rock, containing up to 25% calcite, quarried in central Turkey and used as a whetstone; novaculite.
Industry:Mining
