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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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disarticulation
disassemble
disassembler
disassembly
disassembly sequence
disassociation
disaster and accident rescue
disaster and disaster reduction forecast
disaster backup
disaster-causing force
disaster chain
disaster-control construction and facilities
disaster emergency
disaster film
disaster from snow and ice
disaster management cycle
disaster mechanism analysis of civil engineering
disaster medicine
disaster mitigation line
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Disaster Monitoring Constellation
disaster monitoring in civil engineering
disaster of tunnel boring machine
disaster-pregnant environment
disaster preparedness
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