Some unique characteristics of the composition and structure of the petroleum carboxylic acids in this crude oil were discovered.
发现了该原油中石油羧酸在组成和结构方面的一些特征。
The petroleum carboxylic acids in two distillates of North Sea crude oil were separated by the extraction with column chromatogram and anion exchange resin.
采用柱色谱和阴离子交换树脂法分离出两种北海高酸馏分油中的羧酸。
The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;
采用醇碱水溶液萃取方法分离出辽河油直馏柴油馏分中的石油羧酸（主要为环烷酸），采用重量法测出的分离效率不低于90％；
The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;
采用醇碱水溶液萃取方法分离出辽河油直馏柴油馏分中的石油羧酸（主要为环烷酸），采用重量法测出的分离效率不低于90％；
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