| 单词 | magnesium ribbon |
| 释义 | > as lemmasmagnesium ribbon magnesium ribbon n. a thin strip or wire of magnesium prepared for burning. ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > that burns magnesium or lime > magnesium wire magnesium thread1860 magnesium wire1865 magnesium ribbon1890 1890 Internat. Ann. Anthonys Photogr. Bull. 126 Magnesium ribbon. 1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xxxv. 278 If aluminium powder..is mixed with ferric oxide..and the mixture ignited by magnesium ribbon, aluminium oxide is formed and so much heat is given out that the other metal melts. 1969 Focal Encycl. Photogr. (rev. ed.) 909/1 The exposure required for magnesium ribbon depends upon the weight of magnesium burned. 1982 G. C. Hill & J. S. Holman Chem. in Context: Lab. Man. & Study Guide 58/2 Repeat the test using magnesium ribbon in place of aluminium turnings. < as lemmas |
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