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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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friction heat
friction heat, fractional heat
friction hoist
friction initiation
friction layer
frictionless flow
friction loss
friction materials
frictionmeter
friction of metal working
friction pairs
friction pile
friction reducing for gas transmission pipeline
friction reduction stabilizer
friction roller
friction spinning
friction spinning machine
friction stir welding
frictiontape
friction test with slick water
friction vibration
friction wear testing machine
friction welding
friction wheel
friction work
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