| 释义 |
micronize, v.|ˈmaɪkrənaɪz|
[f. micron + -ize, or perh. a back-formation from Micronizer (proprietary name in U.S.).]
trans. To break up into very fine particles. So ˈmicronized ppl. a., ˈmicronizing vbl. n. Also microniˈzation.
1940Jrnl. Econ. Ent. XXXIII. 481/1 Good kill obtained with micronized cubé indicates that fine grinding may increase the toxicity. 1941Ibid. XXXIV. 560/2 Micronization (fine grinding) of derris and cubé4 increased kill over that obtained by the regular product. [Note] 4Prepared by the Micronizing Processing Co., Moorstown N.J. 1952M. E. Florey Chem. Applic. Antibiotics I. iii. 111 A ball mill for the production of a very finely divided (‘micronized’) mixture of potassium penicillin and glucose. 1958Vogue July 5 This creamy-smooth makeup contains micronised powder, 2½ times finer than ordinary face powder. 1968W. A. Gray Packing of Solid Particles vii. 105 If, however, the particles are reduced in size to a few microns (micronized) and suitable pressure is applied, then a strong compact can be formed. 1968Materials & Technol. I. viii. 263 Micronizing is used not only on sulphur but also for insecticides, fungicides, pharmaceutical preparations, grinding and polishing powders, iron oxide, etc. 1972Jrnl. Econ. Entomol. LXV. 1446/1 Colorimetric analysis indicated that some decomposition took place during preparation and micronization of the dust. |