同石油原油相比，F-T合成粗油品主要由链烷烃和链烯烃组成，环烷烃和芳烃含量很少，且具有硫、氮等含量少的优点。

Compared with crude petroleum, F-T synthetic crude oil mainly has paraffin and alkene, containing few cycloparaffin and arene, with extremely low sulfur and nitrogen.

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环烷烃、总烷烃、烯烃和芳烃的含量随着空速的变化出现相互交叉的现象；

The content of naphthene, total paraffin, olefin and aromatics in FCC gasoline increased or decreased alternately with the change of space velocity.

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本文利用高压dsc对各种燃料烃(正构烷烃、环烷烃、烷基芳烃和双环烃)的安定性进行了研究。

In this paper, the experimental investigation on the stability of various fuel hydrocarbons was carried out by high pressure DSC.

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