| 单词 |
aluminize |
| 释义 |
aluminize, v.|əˈl(j)uːmɪnaɪz|
[f. L. alūmin- alum + -ize.]
1. To treat or impregnate with alum, to alum. rare.
1857Nat. Mag. I. 390 Our bread was alumenised if not worse.
2. trans. To spray or coat with aluminium. Hence aˌluminiˈzation; aˈluminized ppl. a.; aˈluminizing vbl. n.
1934Sci. Amer. Feb. 81/3 With aluminized mirrors and quartz prisms and lenses, the stellar spectrum between 3400 and 3000 angstroms should now be easily observable. Ibid., The construction of an aluminizing apparatus big enough to hold a good-sized mirror..and provided with the necessary devices for..volatizing the aluminium, involves considerable time and cost. 1938Times 2 June 4/5 The cost of aluminizing the mirror has been found to be prohibitive, and the observatory will have to be content with a silvered mirror. 1940Jrnl. Iron & Steel Inst. CXLII. 114 A This process is usually known as ‘aluminising’, and the coating may be said to consist of three layers. 1946W. Lewis Thin Films & Surfaces vii. 60 Another advantage of aluminized mirrors as compared with silvered mirrors..is that aluminium films do not scatter light. Ibid. 61 Aluminization improves the reflectivity of speculum metal gratings. 1957Amos & Birkinshaw Television Engin. I. 301 Aluminised Cathode-ray Tube Screen. 1960Metallurgia Jan. 15/1 The coatings were of the hot-dipped aluminium, aluminised (aluminium sprayed and subjected to a diffusion heat treatment), and chromised types. |
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