请输入您要查询的英文单词:

 

单词 diamine
释义

diaminen.

/ˈdʌɪəmiːn/
Etymology: < di- comb. form + amine n.
Chemistry.
An amine, or compound derived from two molecules of ammonia the hydrogen of which is replaced partly or wholly by one or more basic radicals, as ethene-diamineNH2NH2 C2H4.
ΚΠ
1866 E. Frankland Lect. Notes 367 The diamines are formed by the coupling together two atoms of nitrogen in two molecules of ammonia.
1869 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxiii. 337 The ethylene diamines are volatile bases obtained by acting with ammonia on ethylene dibromide.
This entry has not yet been fully updated (first published 1895; most recently modified version published online June 2018).
<
n.1866
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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 5:51:40