counter-current separation

基本解釋

This thesis focused on evaluation of the antioxidant activities and the counter-current chromatographic separation of bioactive components from R. cordifolia.
論文對茜草中的主要活性成分進(jìn)行了逆流色譜分離及其抗氧化作用研究。
Preparative high-speed counter-current chromatography (HSCCC) was used for the separation of calycosin and formononetin from the ethyl acetate extract of Astragalus membranaceus Bge.
采用高速逆流色譜法（HSCCC），以正己烷氯仿甲醇水組成二相系統(tǒng)作為固定相與流動(dòng)相，對黃芪的乙酸乙酯粗提物進(jìn)行了分離純化。
Extractive acid used as the continuous phase, the separation ofm-chloroaniline and p-chloroaniline is carried out by continuous counter-current dissociation extraction in a filling power equipment.
以萃取酸為連續(xù)相，應(yīng)用填料塔設(shè)備對間氯苯胺及對氯苯胺混合物進(jìn)行連續(xù)解離萃取以提純間氯苯胺。