请输入您要查询的英文单词:

 

单词 ethoxy-
释义 ethoxy-, comb. form Chem.|ˈiːθɒksɪ, ˈɛθ-|
[f. ethoxyl n.]
a. As an inseparable formative element in chemical names, indicating the presence of an ethoxyl group, as ethoxyacetonitrile, *ethoxyethane n., etc.
1878Chem. News 26 July 46/1 Ethoxyacetonitrile..is a colourless, very mobile liquid, of a peculiar but agreeable odour and burning taste.1909Chem. Abstr. III. 2241 p-ethoxy-phenylaminomethyl sulphites.1964N. G. Clark Mod. Org. Chem. vii. 114 Alcohols react to give olefinic ethers which, in contrast to the olefinic alcohols from hydration are stable and do not rearrange. For example..2-Ethoxypropene.1988Nature 25 Aug. 659/1 Cellosolve (ethoxyethanol) is identified as an ether based on ethylene oxide and cellulose.
b. Without hyphen, as an independent word, used attrib.: = *ethoxyl n.
1922Jrnl. Pharmacol. & Exper. Therap. XIX. 251 There was no evidence of any superiority of ethoxy compounds over the corresponding hydroxy compounds.1976Shell in Industr. Chemicals 5 The detergent alcohols are converted into sulphates or reacted with ethylene oxide—to form ethoxylates and ethoxy sulphates.
随便看

 

英语词典包含277258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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/22 16:54:10