The distribution characters of alkanes, Cmax, CPI, OEP of alkanes, and Pr/Ph, Pr/C17, Ph/C18 of isoprenoid were often used.

• 利用饱和烃进行源解析主要依靠正构烷烃的分布特征和主峰碳、CPI、OEP等参数,以及姥鲛烷和植烷的Pr/Ph、Pr/C17、Ph/C18比值;