| 单词 | iron scale |
| 释义 | > as lemmasiron scale iron scale n. a coating of ferric oxide which forms on iron and steel during hot working and can be separated as thin flakes; mill scale; cf. scale n.2 5a. ΚΠ 1606 H. Peacham Art of Drawing 67 Take a quantity of iron scales, and so many copper scales and waie them one against an other. 1797 J. Maclean Two Lect. Combustion ii. 58 The charcoal, the iron scales (black oxyd), and the retort should all have been exposed separately to an intense and long continued heat. 1876 Jrnl. Soc. Arts 28 July 864/2 Besides this wet fettling, a certain quantity of loose iron scale and ‘hammer slag’..is commonly thrown upon the furnace bottom. 1920 T. C. Thomsen Pract. Lubrication v. 67 If metallic iron in the form of iron scale is present (from the steel drum or barrel) a magnet will detect it. 2009 M. S. Russell Chem. Fireworks (ed. 3) i. 14 The same author also used iron scale in some of his compositions to give rockets a more luminous tail. < as lemmas |
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