The extractive is diluted by the alkane-cycloparaffin solvent with weight ratio 1: (0.1-0.5).

所述提取物用链烷-环烷溶剂 以溶剂对提取物为（0.1～0.5）∶1的重量比预先进行稀释。

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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.

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。

youdao

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.

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。

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