By using biomarker GC, gc-ms analysis techniques, the geochemical characters of steranes and hopanes from crude oils of Tahe oil field were investigated in this paper.
运用生物标志物色谱质谱技术，对比研究了塔河油田各油区原油生物标志化合物中甾、藿烷系列化合物特征。
The GC-MS analysis also shows a declination of heavy normal alkane in the degraded oil.
通过气相色谱分析，发现原油中烷烃组分发生变化，正构烷烃碳数分布曲线向轻组份方向移动。
Custom gas chromatogram and GC-MS analysis were adopted to analyze and determine the products.
采用常规色谱检测和GC - MS联用仪分析确定反应产物。
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