| 单词 | ball mill |
| 释义 | > as lemmasball mill ball mill n. a mechanism for grinding dry substances into powder, consisting of a horizontal cylinder rotating on its axis and containing a number of balls of a hard, inert material such as steel or glass. ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for crushing ore stamping-mill1552 bucker1653 buck1683 stamp-mill1752 Ball stamp1860 jaw-breaker1877 jaw-crusher1877 spaller1877 arrastre1881 trapiche1881 gravitation stamp1894 ball mill1895 gravity stamp1903 slugger1903 tube-mill1909 1895 Overland Monthly May 531/1 Other mining inventions have traveled into foreign lands, notably the Huntington pan, and the Paul pulverizing barrel. This barrel is now masquerading in Europe as the ‘Gruson ball mill’. 1963 J. Osborne Dental Mech. (ed. 5) xi. 242 The pigments are usually impregnated to the surface of the polymer particles by means of a ball mill. 2002 J. Colls Air Pollution (ed. 2) i. 22 The coal used in large-scale generating plant is ground in a ball mill to the texture of a fine powder so that it can be blown down pipes and mixed with air before combustion. < as lemmas |
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