| 单词 | nitrogen oxide |
| 释义 | > as lemmasnitrogen oxide nitrogen oxide n. each of the seven oxides of nitrogen; spec. any one or a mixture of these oxides released into the environment as a result of fuel combustion (esp. nitric oxide, NO, and nitrogen dioxide, NO2). ΚΠ 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 158 The other three nitrogen oxides do not form salts. 1957 Rep. Air Pollution Foundation (U.S.) No. 21. 1 It is now realised that Los Angeles' smog is primarily a reaction between organic matter and nitrogen oxides in the presence of sunlight. 1990 Sci. Amer. May 59/1 The Clean Air Act of 1970, soon to be amended, limits the hydrocarbon, carbon monoxide and nitrogen oxide emissions that are permitted in tail-pipe exhaust. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。