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1)  stopped-flow
停流萃取
2)  Stopped-flow liquid-liquid extraction
停流液-液萃取
3)  countercurrent extraction
逆流萃取
1.
With five-stage countercurrent extraction at ambient temperature,extraction yield of magnesium and calcium is 72.
2左右;相比1∶1;常温五级逆流萃取镁、钙的萃取率分别为72。
2.
An analytical method for determination of tetramethylpyrazine (TMP) in ligusticum chuanxiong hort by RP HPLC coupled with countercurrent extraction used for the preconcentration of trace TMP was established.
采用逆流萃取与反相高效液相色谱相结合的方法 ,富集并测定了川芎中川芎嗪的含量。
4)  cross-current extraction
错流萃取
1.
Effect of stuff-to-solvent ration of cross-current extraction of furfural aqueous solution was studied in this paper.
本文研究了原料/溶剂(体积比)对错流萃取糠醛的影响,通过四级错流萃取试验并采用相分配系数法用UNIQUAC模型进行模拟计算,确定以溶剂比2。
5)  dynamic headspace
流体萃取
1.
Odour of cooked silurus (silurus glanis) flesh: evaluation by sensory analysis and comparison of collection methods to assess the odour representativeness of extracts obtained by dynamic headspace;
熟鱼silurus(Silurus glanis)的风味:通过感官分析和收集方法的比较来评价流体萃取物的风味特征
6)  cross-flow extraction
错流萃取
1.
5% for DEM was obtained through two times cross-flow extractions and controlling the mass ratio of extractant and raw material as 1.
5时,经过两级错流萃取,所得萃余相中DEM质量含量可达98%以上,DEM回收率可达97。
补充资料:并流多级萃取
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性质: 有时萃取过程中伴有化学反应,如螯合作用等,萃取速率往往受到化学反应速率的控制,为了增加停留时间,提高设备的容积效率,也常采用并流多级萃取的方式,但此萃取过程的极限仍是料液和萃取溶剂一次接触达到平衡的状态。

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