The sorption and migration experiments of zinc in soils were studied by batch process and dynamic column elution method with simulated rainfall.
采用静态吸附过程和动态柱淋洗方法研究了不同模拟降水量下锌在土壤中的吸附和迁移。
Methods: (1)To separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
方法：（1）以硅胶柱色谱法，乙酸乙酯-石油醚梯度洗脱，自何首乌中提取分离二苯乙烯苷单体成分。
On SDS-polyacrylamide gel electrophoresis (SDS-PAGE)the eluate from the column with the McAb coupled showed a single band, corresponding to the elution peak.
聚丙烯酰胺凝胶电泳显示单抗偶联柱层析洗脱物仅有单一区带与洗脱峰对应；
The results show that SCSP gel column chromatography elution curve for a single narrow symmetrical peak, explain for homogeneous components polysaccharide;
结果表明，SCSP凝胶柱层析洗脱曲线为单一狭窄对称峰，说明为均一组分多糖；
NH2 column was used with the mobile phase of 0.1% trifluoroacetic acid-acetonitrile by gradient elution.
采用氨基色谱柱，流动相为0.1%三氟乙酸-乙腈(梯度洗脱)。
Methods Artemisinin is extracted with petroleum ether and pass column of silica gel and gradient elution with ethyl acetate, then it is tracked with TLC and detected with UV-VIS.
方法青蒿经石油醚提取浓缩，浸膏经过硅胶柱，用不同配比的乙酸乙酯洗脱，用tLC法跟踪，UV法检测。
They are eluted by both self-elution effect and on-column change of the eluent.
提出了在高浓度基体中，同时存在自身洗脱效应和在线流动相变化两种洗脱机理。
Methods: (1) to separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
方法：硅胶柱色谱法，乙酸乙酯-石油醚梯度洗脱，自何首乌中提取分离二苯乙烯苷单体成分。
Objective:To study on chromatography fingerprint(CFP) of Huangqi herbs. Method: HPLC was used on a Hypersil ODS column with water-acetonitriles gradient elution.
应用高效液相色谱法研究了黄芪的指纹图谱，并对毛蕊异黄酮、芒柄花素及黄芪甲苷进行了含量测定。
Zorbax ODS column and gradient elution of acetonitrile acetic acid solution as mobile phase were employed to determine the content of syringin and rutin in 11 species of Saussurea by RP_HPLC.
采用高效液相色谱法测定凤毛菊属植物雪莲花中的紫丁香甙和芦丁。
Zorbax ODS column and gradient elution of acetonitrile acetic acid solution as mobile phase were employed to determine the content of syringin and rutin in 11 species of Saussurea by RP_HPLC.
采用高效液相色谱法测定凤毛菊属植物雪莲花中的紫丁香甙和芦丁。
应用推荐