油脂部分依次以石油醚、苯、氯仿、乙酸乙酯、丙酮、乙醇为淋洗剂进行洗脱，利用红外光谱、核磁共振光谱法对所分离组分进行了结构鉴定。
The compositions of grease were eluted with petroleum ether, benzene, chloroform, ethyl acetate, acetone, ethanol and characterized by means of IR and NMR spectroscopy.
叶的甲醇抽提物活性高于氯仿抽提物和石油醚抽提物。
The insecticidal activity of methanol extract was higher than that of chloroform extract and petroleum extract.
石油醚提取物(ae - 1)可显著地提高纹状体中5 - HT含量和皮层中ne和DA含量，氯仿提取物(ae - 2)能极显著地提高皮层中DA含量。
AE-1 elevated 5-ht level in the striatum and the NE and DA level in the cortex, chloroform fraction (AE-2) only significantly increased DA level in cortex.
通过对PMEW萃取分离发现，在甲醇水、氯仿、石油醚和乙酸乙酯四种萃取物中仍以甲醇水的萃取率最高。
In four extracts from PMEW treated with methyl alcohol and water, petroleum ether, chloroform and ethyl acetate, extract rate of methyl alcohol and water was the highest.
应用现代色谱技术和方法研究了千斤拔的石油醚部位、氯仿部位、乙酸乙酯部位的了化学成分。
The chemical constituents of petroleum ether fraction, chloroform fraction and ethyl acetate fraction of Flemingia philippinensis Merr. et Rolfe. were analysed by modern chromatography.
方法采用乙醇提取，石油醚脱脂，氯仿萃取，上聚酰胺柱得到高良姜素。
Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提取，石油醚脱脂，氯仿萃取，上聚酰胺柱得到高良姜素。
Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
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