请输入您要查询的英文单词:

 

单词 niobous
释义 niobous, a. Chem.|naɪˈəʊbəs|
[f. niob-ium + -ous.]
Derived from niobium (denoting a lower degree of oxidation than niobic).
1863Fownes' Chem. (ed. 9) 366 With oxygen niobium forms two oxides of acid character, niobous acid, NbO, and niobic acid, NbO2.1866Watts Dict. Chem. IV. 49 The fused mass digested in water leaves niobous oxide.
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 11:58:12