Rare-earth extraction with the cylindrical centrifugal extractor
wang you-min~1; tang ling-feng~1; tang ling-xiao~2; zhang jin-tao~3 (1. dept.of mech.engn. ; anhui university of technology and science wuhu 241000; china; 2 tech. dept.; anhui feicai co.; ltd. xuancheng 242000; china; 3. anhui xuancheng district institute of mechanical and electrical engineering of anhui province; wuhu 241000; china)
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