“niobium”的概念、定义、翻译、参考文献-科学参考

单词	niobium
释义	niobium Encyclopedia 工学铌释 niobium铌化学元素，元素符号Nb，原子序数41，原子量92.9064，属周期系VB族。理学铌释 niobium铌化学元素，元素符号Nb，原子序数41，原子量92.90637(2)，属周期系ⅤB族。 Physics niobium铌41Nb｛化｝ Astronomy niobium缩写：Nb。铌 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 niobium铌
随便看	backscatter peak backscatter X-ray inspection technology backshaft backshift operator backshore subfacie back-shu point back-shu points and front-mu points combination，back-shu points and front-mu points association backside attack backside-illuminated CCD backside-illuminated CMOS back silting backslash backspring backstage bans and prohibitions backstage of Goulan (an open-air performance venue) backstage supervisor backstepping control backstepping design backstop backstrap treadle loom Back Street backstroke backstroke of Summer Paralympics backstroke of Summer Special Olympics back substitution

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