A gas chromatography fingerprint technique can be used to study oil layers connectivity.

色谱指纹技术可用于油藏的油层连通性研究。

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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。

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Objective Chromatography fingerprint of Radix Codonopsis of different age from Shanxi province was studied to provide the reference for the science appraisal of intrinsic quality of Radix codonopsis.

目的研究不同生长年限山西党参的指纹图谱，为科学评价党参的内在质量提供参考。

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