continuous countercurrent extraction 连续逆流浸取 four-effect countercurrent extraction 四效逆流 ..
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This article mainly aims at introducing the process, the structure and the characteristics of continuous countercurrent extraction.
介绍了连续逆流提取的工艺过程、主体结构及性能特点，并分析了其在实际应用中存在的一些优缺点。
The dynamic continuous countercurrent extraction has the advantages of better continuity, higher gypenosides yield and higher purity.
动态连续逆流提取绞股蓝皂苷具有生产连续性好、皂苷提取得率高、产品纯度高等优点。
The process for concentrating natural vitamin E in the dual-column continuous countercurrent supercritical extraction is studied.
探讨了双塔连续逆流操作的超临界萃取和浓缩天然维生素E的工艺路线。
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