“columbite”的概念、定义、翻译、参考文献-科学参考

单词	columbite
释义	columbite [kǝ`lǝm´bīt] ^MINERALOGY (Fe,Mn)(Cb,Ta)₂O₆ An iron-black mineral with a submetallic luster that crystallizes in the orthorhombic system; the chief ore mineral of niobium (columbium); hardness is 6 on Mohs scale, and specific gravity is 5.4-6.5. Also known as dianite; greenlandite; niobite.
随便看	Wentworth quick-return motion Wentworth scale Wentzel-Kramers-Brillouin method Werdnig-Hoffmann disease Werfenian stage Werner band Werner complex wernerite Werner's syndrome Wernicke's encephalopathy Wertheim effect west West African cedar West Australia Current westerlies westerly wave Western Equatorial Countercurrent Western equine encephalitis West Greenland Current westing West Nile fever Weston standard cell Westphal balance Westphalian Westphal-Pilcz reflex

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