“rare earth oxidation-reduction separation and purification”的概念、定义、翻译、参考文献-科学参考

单词	rare earth oxidation-reduction separation and purification
释义	rare earth oxidation-reduction separation and purification Encyclopedia 工学稀土湿法冶金释 rare earth oxidation-reduction separation and purification稀土氧化还原法分离提纯基于某些稀土元素易氧化为四价状态〔如铈（Ce）、镨（Pr）、铽（Tb）〕或易还原为二价状态〔如钐（Sm）、铕（Eu）、镱（Yb）〕，而与其他三价稀土元素在化学性质上存在较大差异的特性来分离提纯这些变价元素的方法。
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