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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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hydroxyproline
hydroxypropyl methyl cellulose
hydroxy silicone oil
hydroxy tryptamine
hydroxytryptophane
hydrozirconation
hydrozirconation reagent
hydrozoans
Hydrus
Hye-cho
Hyeomnyulsa
Hye Sung Ga
hyetology
HYGAS process
Hygiea
Hygiene
hygiene and epidemic prevention
hygiene in the railway station and train
hygiene of food processing
hygiene of public place
hygiene textile design
hygiene textiles
hygienical standard for feeds
hygienic characteristic of office place environment
hygienic characteristics of public place environment
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