方法利用高速逆流色谱技术，通过寻找合适的两相溶剂体系及工艺参数，研究及讨论石杉碱甲分离制备的新方法。

METHODS Using the technology of HSCCC, research and discuss a new preparative method of Huperzine A by searching a suitable two-phase solvent system and relative technical parameters.

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结果超滤法能有效地将石杉碱甲固体脂质纳米粒与游离石杉碱甲分离，回收率为98.09%，测得3批样品的平均包封率为57.63%。

Results Free drugs could be effectively separated from the Hup ASLN by ultrafiltration. The average entrapment efficiency of three batches of Hup ASLN was 57.63%, with the recovery of 98.09%.

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本文对土壤甲螨的采集与分离方法进行了探讨。

This paper studied the method of collecting and separating oribatid mite in soil.

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