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1)  semi-continuous counter flow extraction
半连续逆流浸取
2)  continuous countercurrent extraction
连续逆流浸取
1.
The basic principles of the continuous countercurrent extraction are reviewed.
本实验阐述了连续逆流浸取的基本原理,介绍了槽式、螺旋式、折流式连续逆流浸取设备和连续逆流浸取技术浸取果实类和叶类有效成分的研究现状,最后讨论了逆流浸取技术与微波浸取技术、超声浸取技术的联用情况,并提出了将多频组合超声浸取技术与连续逆流浸取技术相结合,微波浸取技术与连续逆流浸取技术相结合以及超声、微波、连续逆流三种浸取技术同时相结合的设想。
2.
In this study,the baicalin was extracted from scutellaria root by single-frequency ultrasonic continuous countercurrent extraction(SUCCE),dual-frequency-complex ultrasonic continuous countercurrent extraction(DCUCCE) and dual-fre-quency-alternant ultrasonic continuous countercurrent extraction(DAUCCE).
本实验研究了单频、双频交变和双频复合超声连续逆流浸取黄芩苷的效果,为实现工艺优化,采用均匀设计试验方案,以浸取能力值为指标,用偏最小二乘法处理数据。
3)  continuous countercurrent leaching
连续逆流浸提
4)  continuous countercurrent extraction
连续逆流提取
1.
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。
2.
The method included 3 steps: continuous countercurrent extraction, column chromatography with 732 cation exchange resin, and crystallization, and their working parameters were optimized.
该方法包括连续逆流提取、732阳离子交换树脂柱层析和结晶三步。
3.
The principles of the continuous countercurrent extraction was reviewed, and the multi-stage tank-type, towline type and screw type and the present extracting conditions of natural product were introduced.
阐述了连续动态逆流提取的原理,介绍了罐组式、拖链型连通器式、螺旋式连续逆流提取设备以及连续逆流提取方法对天然产物的提取状况。
5)  continuous countercurrent
连续逆流萃取
1.
The continuous countercurrent process of extracting available ingredients from gingko leaf;
银杏叶中有效成分的连续逆流萃取工艺
6)  continuous countercurrent extraction column
连续逆流萃取塔
1.
The paper discusses the possibility and operation condition of the extraction of valuable compounds, which are caffeine from green tea infusion, flavoring materials from yellow water, volatile compounds from Houttuynia cordata Thunb juice and rose essential oil from rose infusion, with supercritical CO_2 in the continuous countercurrent extraction column.
本文探讨了在连续逆流萃取塔中用超临界CO_2提取稀溶液中有用成分的可行性和工艺条件。
补充资料:连续逆流沥取 continuous counter current leaching
分子式:
CAS号:

性质:将各单元沥取设备串联如下图所示(图暂缺)。物料由串联设备的一端进入第1级,溶剂由串联设备的另一端进入第N级。物料与溶剂以相反方向流经各级。在第1级中溶剂与浓度最高的料液相接触,故由第1级所得沥取液浓度为最高。被沥取物料在各级沥取后,在第N级与新溶剂接触,如是可以使残渣中的溶质含量进一步降低。

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