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稀土氧化还原法分离提纯
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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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operational readiness of aircraft materiel
operational reliability
operational research
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operational rule
operational rules of events
operational semantics
operational sequences of parachute
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operational type of multinational companies
operational water conservancy project
operation analysis
operation and maintenance of ash handling system
operation and maintenance of coal handling equipment
operation and maintenance of fuel equipment
operation and maintenance of information system
operation and maintenance of thermal control equipment
operation and maintenance organization of environmental monitoring equipment
operation and maintenance out-sourcing
operation and maintenance quota of water conservancy information system
operation and management mode of grassland irrigation project
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