Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.

方法采用乙提取，石油，仿萃取，上聚酰胺柱得到高良姜素。

By using phenylfluorone photometer analysis,solution of germanium content in 2-octanol and petroleum was measured.

本文采用苯基荧酮分度法测定仲辛/石油溶液中锗的含量。

Different solvent extractions of Spora Lygodii were obtained using methanol,chloroform and petroleum ether as medium.Experiments were carried out on them by FT-IR spectra.

以、仿、石油为提取溶剂,提取中药材海金沙得到海金沙不同溶剂提取物,采用红外谱(FT-IR)图谱鉴别法对提取物进行实验。