| 单词 | mineral dressing |
| 释义 | > as lemmasmineral dressing mineral dressing n. treatment of ore so as to remove gangue and concentrate the valuable constituents (cf. ore-dressing n. and adj. at ore n.2 Compounds 2a). ΘΚΠ society > occupation and work > industry > mining > [noun] > excavating or dressing ore > dressing ore puddlingc1585 vanning1671 jigging1778 ore-dressing1837 mineral dressing1931 1931 Columbia Univ. Bull. School Engin. 11 July 7 Arthur F. Taggart..Professor of Mineral Dressing [formerly, Ore Dressing]. 1939 A. M. Gaudin Princ. Mineral Dressing i. 1 Mineral dressing is commonly regarded as the processing of raw minerals to yield marketable products and waste by means that do not destroy the physical and chemical identity of the minerals. 1957 Sci. News 46 37 The methods of mineral dressing most in use before World War I were limited to gravitation in pulsing or streaming currents of water.., the use of magnets on ferro-magnetic ores, and such hydro-metallic processes as the cyanidation of gold and the leaching of copper. 1990 Minerals Engin. 3 12 For heterogeneous ores..the behaviour of mineral components of an ore was size dependent in nearly every operation encountered in mineral dressing. < as lemmas |
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