| 单词 | acid air |
| 释义 | > as lemmasacid air acid air n. (a) Chemistry hydrogen chloride gas (now historical); (b) air containing acidic components, esp. as a result of pollution. ΘΚΠ the world > matter > gas > air > [noun] > air in any specific place or at specific time > having increased acidity acid air1773 1773 J. Priestley Let. 26 Sept. in B. Franklin Papers (1976) XX. 421 The most important of the observations I have made lately is of an alkaline, corresponding to my acid air. 1851 S. W. Johnson tr. C. R. Fresenius Man. Qualitative Chem. Anal. iii. 219 The yellow tint which the acid air issuing from the tube imparts to a moist slip of Brazil-wood paper. 1931 Times 29 Aug. 6/3 All my life, as far as London acid air and rain will allow, I have sought to grow green things. 1982 Washington Post 3 Aug. a10/2 The suspected culprit is ‘acid air’, made up of sulfuric acid and related pollutants. 2000 W. A. Smeaton in F. L. Holmes & T. H. Levere Instruments & Exper. Hist. Chem. ix. 219 Guyton described a striking experiment in which acid air (hydrogen chloride) and alkaline air (ammonia) were collected over mercury. < as lemmas |
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