烷烃

Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography.

采用高温气相色谱法测定橡胶防护蜡中的构烃和非构烃的碳数及含量。

COMPOSITION: It is complex petroleum derivative products mixture, Mixed with Fatty group, cyclanes, carbon combined with chloride products organic solvent.

这是一种衍生的复杂混合物；脂肪族；环烃碳化合物的有机溶剂。

The crude oils of Chang 20 belong to typical immature oil which have odd even predominance and lower ratios of sterane and terpane maturity index.

长20井的原既具有烃奇偶优势，又具有较低甾萜异构体比值，属于典型的低熟原。