英语词汇“niobite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	niobite
释义	niobite\|ˈnaɪəbaɪt\| [f. niob-ium + -ite¹.] 1. Min. = columbite. 1854Dana Syst. Min. (ed. 4) II. 353 Columbite. Tantalite. Niobite.1855Orr's Circle Sci., Geol. 531. 1891 Thorpe Dict. Appl. Chem. II. 698 Niobium occurs..in niobite from the Isegebirge. 2. Chem. A niobic salt. 1866Watts Dict. Chem. IV. 49 Metallic niobium is obtained..by heating niobite of sodium in hydrogen gas containing phosphorus vapour.1885Ramsay Min. (ed. 3) x. 310 Columbite is usually regarded as a niobite of iron and manganese.
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