This thesis focused on evaluation of the antioxidant activities and the counter-current chromatographic separation of bioactive components from R. cordifolia.
论文对茜草中的主要活性成分进行了逆流色谱分离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.
采用高速逆流色谱法（HSCCC），以正己烷氯仿甲醇水组成二相系统作为固定相与流动相，对黄芪的乙酸乙酯粗提物进行了分离纯化。
Magnetic separation of magnetic materials according to host drought-wet degree, divided into downstream, counter-current dry wet two kinds.
磁选主机根据磁选原料的干湿程度，分为顺流、逆流干湿两种。
Magnetic separation of magnetic materials according to host drought-wet degree, divided into downstream, counter-current dry wet two kinds.
磁选主机根据磁选原料的干湿程度，分为顺流、逆流干湿两种。
应用推荐