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- It is found that C(28)(20S)/C(28)(20R) ratio in triaromatic sterane seems to show good thermal evolution characteristics. 我们发现三芳甾烷C(28)（20S）／C(28)（20R）比值似乎显示了较好的热演化特征。
- triaromatic steranes 三芳甾烷
- There is relatively low concentration of diacholestane in steranes. 甾烷中重排甾烷含量低。
- There is relatively high concentration of diacholestane in steranes. 甾烷中重排甾烷含量高。
- Typical markers are the porphyrins, pristine, phytane, steranes, carotenes and pentacyclic triterpanes. 典型的标志如卟啉、姥鲛烷、植烷、留烷、胡萝卜烷、以及五环三萜烷。
- Steranes and terpanes are widely used in petroleum geochemistry study since they are important indexes for oil sources correlation and oil and gas migration. 摘要甾萜类生物标志化合物作为油源对比和油气运移的重要指标，在油气地球化学研究中得到了广泛的应用。
- The biomarker of steran,terpane,aromatic and adamantanewere detected by thls method from any kind of natural gas, and the gas-biomarkerapplication was approached. 从各类天然气中检测出甾萜烷、芳烃和金刚烷等一系列生物标志化合物，并进行了天然气生标的应用研究探索。
- Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock,and they are usually identified by gas chromatogram-mass spectrum. 甾萜类化合物存在于原油和生油岩的饱和烃组分中,通常用色谱-质谱法鉴定。
- The asphaltene RICO products include n-alkan acids, di-n-alkan acids, branched alkan acids, tricyclic terpan acids, hopanoic acids, steran acids and 4-methyl steran acids. 其RICO产物包括一元酸、二元酸、支链酸、三环萜烷酸、藿烷酸、甾烷酸和4甲基甾烷酸。键合在沥青质中的烷基侧链和生物标志物不易遭受生物降解作用,特别是甾烷与饱和烃中分布相似。
- High amounts of C27 steranes, regular steranes, 4-methyl steranes, long chain tricyclic terpanes for the western Qaidam oils indicate that the dominant organic matter source is algal material. 具有高含量的C27甾烷、规则甾烷、4-甲基甾烷、长链三环萜烷，说明它们母质主要为菌藻类；
- Characteristics of biomarkers were studied in Gaoyan manganese deposit, and the results show that n alkanes, isoprenoids, terpenes and steranes derived mainly from fungi and algae. 高燕锰矿生物标志物特征的研究表明无论正构烷烃、类异戊二烯烷烃、萜烷还是甾烷特征均反映该矿床生物母源为菌藻类生物。
- Abundant molecular biomarkers, including n-alkanes, isoprenoid, steranes and terpanes, are detected by GC-MS in mudstone and sandstone samples from Tanhai Sanma area in the Huanghua Depression. 通过对黄骅坳陷滩海三马地区浊流沉积层序的生物标志物组合差异特征研究，揭示出分子标志物对该地区沉积相的指示意义。
- triaromatic dinosteroid hydrocarbon 甲藻甾烷
- The biodegradation ability of sterane is C27>C28>C29.Before the great biodegradation of the sterane,those maturity indicators such as isomerization of C29 steranes at C20 vary slightly. 研究结果显示,规则甾烷先于重排甾烷发生生物降解,甾烷降解由易到难的顺序为C27>C28>C29。
- Keywords Turpan_Hami basin;coal_derived hydrocarbon;cluster analysis;Diterpene index;triaromatic steroids;chronological biomarker; 吐哈盆地;煤成烃;聚类分析;二萜烷指数;三芳甾烷;断代生物标记物;
- triaromatic steroid 三芳甾烷
- Aromatic steranes 芳香甾烷
- terpanes and steranes 甾烷和藿烷
- Steranes 甾烷
