Chloroform - tetrahydrofuran - water (500:500:8) was used as mobile phase for the gradient elution of other strongly retained substances.

继用氯仿-四氢呋喃-水(500：500：8)为流动相，梯度洗脱其他强保留组分。

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METHOD HPLC gradient elution method was used with methanol-water as the mobile phase to determine the contents of triptolide in its root, branch and leaf at different periods of its storage.

方法以甲醇-水为流动相，采用HPLC梯度洗脱法，测定了雷公藤药材的根、枝、叶中雷公藤甲素在不同存贮期的含量。

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A chiral column with a-acid glycoprotein bounded to silica as stationary phase was used with mobile phase of 0.

采用以a -酸性糖蛋白键合硅胶为固定相的手性色谱柱，0。

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