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稀土氧化还原法分离提纯
释义
稀土氧化还原法分离提纯
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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UNODC
Unofficial Biography of Li Shishi
Unofficial Biography of Spring and Autumn Annals
Unofficial History in East
Unofficial History of Fanghu
Unofficial History of Qing Dynasty
Unofficial History of the Last Yuan Emperor
unofficial literacy books
unofficial notice
Unofficial Record of the Jiangnan Region
unofficial single-piece notes
unofficial tabloid
unoid
Uno Jûkichi
UNOOSA
unordered
unordered basis
unordered factorization
unordered pair
unordered partition
unordered quadruple
unordered set
unordered triplet
unorganized exhaust emissions
unoriented
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