1) bicyclic terpane
双环萜烷
1.
Having studied the chlorofom exatracts of Botryococcus braunii which produced inAmerica and France with different growing periods, the authors find two kinds of Botryococcus braunii, which had the same growing periods, had same N-alkanes, alkenes andbicyclic terpanes, and for the first time have determined C14, C15, C16 bicyclic terpane.
采用ＧＣ／ＭＳ研究了两种分别产于美国和法国不同生长时间的丛粒藻氯仿抽提物，发现同一生长时间的两种从粒藻具有相同的正构烷烃、直链烯烃和双环萜烷组成，并首次检测出Ｃ１４、Ｃｌ５、Ｃ１６双环萜烷及１０种罕见的Ｃ２０双环萜烷，这些双环萜烷的检出表明丛粒藻是地质体中某些双环萜烷的生源之一。
2) Tricyclic terpane
三环萜烷
3) tetracyclic terpane
四环萜烷
4) low-ring terpanes
低环萜烷
1.
The relationship between source rocks of Permian-Carboniferous, Lower Tertiary,Middle and Upper Proterozoic group and light crudes were studied by factor analysis of low-ring terpanes of the samples in Hebei Oil Field.
对华北地区石炭－二叠系、下第三系、中上元古界沉积物和油样的低环萜烷参数用因子分析方法进行油源对比，表明石炭－二叠系部分样品与该区轻质油的关系密切。
5) bicyclic terpene
双环萜烯
6) pentacyclic triterpane
五环三萜烷
1.
Distribution and sources of steranes and pentacyclic triterpanes in surface soils and bottom sediments from Tianjin;
天津地区表层土壤和河流沉积物中甾烷与五环三萜烷的分布特征及污染源分析
补充资料：2,5(或2,6)-双(异氰酸酯基甲基)双环[2.2.1]庚烷
CAS：74091-64-8
中文名称：2,5(或2,6)-双(异氰酸酯基甲基)双环[2.2.1]庚烷
英文名称：2, 5(or 2, 6)-bis(iso-cyanatomethyl)-Bicyclo[2.2.1]heptane
bicyclo[2.2.1]heptane,bis(siocyanatomethyl)
中文名称：2,5(或2,6)-双(异氰酸酯基甲基)双环[2.2.1]庚烷
英文名称：2, 5(or 2, 6)-bis(iso-cyanatomethyl)-Bicyclo[2.2.1]heptane
bicyclo[2.2.1]heptane,bis(siocyanatomethyl)
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