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分离并测定了大庆原油中活性组份的含量，用傅里叶红外光谱法和元素分析法初步测定了活性组份的结构，用气相渗透压法测定了活性组份的数均分子量，还测定了活性组份在碱溶液中的界面活性。
The content of the active components in Daqing crude oil was separated and determined. The structure of the active components was preliminarily determined by Fourier transform infrared spectroscopy and elemental analysis. The number average molecular weight of the active components was determined by gas phase osmometry. The activity of the active ingredient in alkaline solution in the interfacial activity.