The paper has reviewed the analysis method, the gas chromatography and the near infrared spectroscopy for determining olefin and aromatic hydrocarbon content in gasoline.
对目前采用的快速、简便分析汽油中烯烃、芳烃含量的气相色谱和近红外光谱分析方法进行了评述。
The products from GTL include fuel oil, base oil for lubricant, and other chemicals, which are environmentally friendly due to their few S, N, metal, and aromatic hydrocarbon content.
GTL产品基本上由直链烷烃、烯烃组成，具有无硫、无氮、无金属、无芳烃等特点，是环境友好的油品和化学品。
Aniline point is used to characterize pure hydrocarbons and to indicate the aromatic content of hydrocarbon mixtures.
苯胺点用来表现纯净的碳氢化合物的特性并用于显示烃类混合物里的芳烃含量。
The content of resin were aromatic are both decreased significantly. At the the same time, the content of asphaltenes and saturated hydrocarbon were increased.
稠油中胶质和芳香烃含量显著下降，沥青质和饱和烃含量提高；
Meanwhile, there is a low content of compound in unthickened polynuclear aromatic hydrocarbon (PAH) and pah mix which both are poor in chemical stability.
化学不变性差的非稠环芳烃、混环芳烃化合物含量减小。
The invention relates to a device and a process for the separation and purification of methanol synthetic oil containing high-content aromatic hydrocarbon.
本发明涉及含高芳烃的甲醇合成油分离提纯装置及工艺。
The invention relates to a device and a process for the separation and purification of methanol synthetic oil containing high-content aromatic hydrocarbon.
本发明涉及含高芳烃的甲醇合成油分离提纯装置及工艺。
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