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字典帮 >教育工具 >英语词汇“niobous”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

2026-02-06

“niobous”的英英意思

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.