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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. 我們發(fā)現三芳甾烷C(28)（20S）／C(28)（20R）比值似乎顯示了較好的熱演化特征。
- C31 sterane can be also regarded as a marker of transgression. 朝長(cháng)地區長(cháng)20井原油為典型的未熟低熟油。
- triaromatic steranes 三芳甾烷
- The sterane isomerization maturity parameter and alkylphenanthrene index indicate that the maturity of oil sand is low. 甾烷的異構化成熟度參數、甲基菲指數均顯示油砂成熟度低。
- The crude oils of Chang 20 belong to typical immature oil which have odd even predominance and lower ratios of sterane and terpane maturity index. 從長(cháng)20井低熟原油中檢測到了一定量的28，30二降藿烷，這說(shuō)明源巖形成于極度厭氧的環(huán)境。
- We also bring forward a new method to recognize the different biological source for C29 sterane predominance using organic carbon isotope. 此外，本文還提出了用有機碳同位素來(lái)進(jìn)一步區分C29甾烷優(yōu)勢生物來(lái)源的方法。
- This paper mainly sums up recent identification of biomarks(sterane,diterpane)in the crude oil and source rock with GC/MS/DS. 本文報道我們近幾年來(lái)利用色質(zhì)聯(lián)用儀對原油及生油巖中生物標志物（甾烷、萜烷）的定性分析鑒定。
- Hydrocarbon generated from Middle-Lower Jurassic coal beds as the main source rock in the basin has remarkably high Pr/ph ratio as well as heavy carbon isotope and C29 sterane. 中、下侏羅統煤系地層是主要的烴源巖，這套源巖生成的油氣具有顯著(zhù)的姥鮫烷優(yōu)勢、重碳同位素以及富含C29甾烷等特征。
- The biomarker of steran,terpane,aromatic and adamantanewere detected by thls method from any kind of natural gas, and the gas-biomarkerapplication was approached. 從各類(lèi)天然氣中檢測出甾萜烷、芳烴和金剛烷等一系列生物標志化合物，并進(jìn)行了天然氣生標的應用研究探索。
- Moreover, ringA , ring C aromatic sterane and ringA,B, C aromatic sterane were identified from the low temperature aromatic fractions of thermal simulation of p ine pollens. 此外，松粉低溫熱模擬樣品的芳烴餾份中檢出單、三芳甾烷。
- 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產(chǎn)物包括一元酸、二元酸、支鏈酸、三環(huán)萜烷酸、藿烷酸、甾烷酸和4甲基甾烷酸。鍵合在瀝青質(zhì)中的烷基側鏈和生物標志物不易遭受生物降解作用,特別是甾烷與飽和烴中分布相似。
- Oung, J.-N. and Wu, S.-H. (1992) Triterpane and sterane distributions and their significance in oils and sediments from the K field, offshore Taiwan. Petroleum Geology of Taiwan, 27, 129-152. 翁榮南、吳素慧(1992)臺灣海域K地塊油巖樣品中類(lèi)帖烷及類(lèi)固烷之地化研究。臺灣石油地質(zhì)，第27號，第129-152頁(yè)。
- The composition of regular sterane suggests the different times, while distribution pattern of tricyclic terpane and abundance of diahopanes indicate the discrepancies of sedimentary environments. 據此，初步將這些參數應用于兩方面研究，一是為劃分地層沉積環(huán)境提供“生物標志物相標志”，二是研究油源對比，取得良好效果。
- The diagenetic stages and diagenetic facies are predicted by modeling the paleotemperature, vitrinite reflectance, sterane isomerization rate and authigenic quartz concentration in space and time. 該文通過(guò)模擬古地溫、鏡質(zhì)組反射率、甾烷異構化率和自生石英含量隨時(shí)間的變化規律，預測了西部凹陷南段成巖階段和成巖相的橫向展布。
- triaromatic dinosteroid hydrocarbon 甲藻甾烷
- Through comparing experiments, it was found that this method has special dominance in checking trace biomarkers and in determining nature and fixing quantity of a complex sterane and terpane. 色譜-質(zhì)譜-質(zhì)譜由于是兩級質(zhì)譜串聯(lián)比色譜-質(zhì)譜增加了選擇性,有了更強的分離能力,提高了對復雜混合物如甾、萜類(lèi)化合物定性和定量的可靠性。
- 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. 研究結果顯示,規則甾烷先于重排甾烷發(fā)生生物降解,甾烷降解由易到難的順序為C27>C28>C29。
- Keywords biomarker;compound idenfification;sterane;tertane; 生物標志化合物;化合物鑒定;甾烷;萜烷;
- Keywords marine;transgression biomarker dinosterane C 31 sterane; 海侵;生物標志物;甲藻甾烷;C_（31）甾烷;松遼盆地;
- Keywords Turpan_Hami basin;coal_derived hydrocarbon;cluster analysis;Diterpene index;triaromatic steroids;chronological biomarker; 吐哈盆地;煤成烴;聚類(lèi)分析;二萜烷指數;三芳甾烷;斷代生物標記物;
