英语语法分析

The biodegradation of regular sterane and rearranged sterane in crude oil was studied on the basis of simulated biodegradation experiment to the crude oil.

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 spectrums of sterane and terpane were simulated and compared with some parameters and spectrums of actual mixed crude. A satisfactory result has been obtained.

对混合原油甾烷、萜烷谱图进行了数值模拟，与实际的混合原油的甾烷、萜烷谱图和参数进行了比较，得出了令人满意的结果。

After crude oil alteration, the degree of sterane isomerization reaction is enhanced, and in some samples, the balanced endpoint value of isomerization reaction is exceeded far beyond.

原油蚀变后提高了甾烷异构化反应程度，某些样品远远超过异构化反应平衡终点值。