甾烷中重排甾烷含量高。
There is relatively high concentration of diacholestane in steranes.
经研究发现，重排甾烷的形成与沉积环境的氧化还原性有关。
It is found that the formation of diasterane is related to the oxidation reduction nature of depositional environment.
通过喜氧细菌对原油的模拟生物降解实验，以及对模拟产物的饱和烃色谱—质谱分析，对原油饱和烃中规则甾烷和重排甾烷的降解作用进行了研究。
The biodegradation of regular sterane and rearranged sterane in crude oil was studied on the basis of simulated biodegradation experiment to the crude oil.
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