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1·Xiangcheng sag; Organic geochemistry; Maceral; Immature -low mature oil; Formation condition. ;

襄城凹陷； 有机地球化学； 显微组分； 未熟—低熟油； 形成条件；

2·Exploration geochemistry is the application of organic geochemistry to the exploration for oil and gas.

勘探地球化学是有机地球化学在油气勘探中的应用。

3·Xiaochaidan salt lake sediments were studied in detail by means of geochemistry, especially organic geochemistry.

本文采用地球化学与有机地球化学方法详细研究了小柴旦盐湖沉积物。

4·The characteristics of the hydrocarbon source rocks in this region are analyzed using organic geochemistry methods.

运用有机地球化学方法，分析了该区烃源岩的特征。

5·It is a novel studied field in organic geochemistry using amount and distribution of nitrogen compounds in crude oils to study petroleum migration.

应用石油含氮化合物分布研究石油运移是目前国内外有机地球化学研究领域的一个新方向。

6·Jo Hellawell of Trinity College, Dublin, and her colleagues in the Organic Geochemistry Unit at Bristol University think that they have solved the mystery.

都柏林大学三一学院的乔•赫拉维尔和她在布里斯托大学有机地球化学单元的同事，认为他们已经揭开了谜底。

7·Simulation experiment is an important part in the study on organic geochemistry. It is also an important means for the research of oil and gas geochemistry.

模拟实验是有机地球化学研究的重要组成部分，也是油气地球化学研究的重要手段。

8·Marks of coal petrology, parameters of organic geochemistry and yield-oil of thermal simulated experiment are provided evidence for availability ofFMTevaluation method.

煤岩学标志、有机地球化学参数和热模拟实验产烃率数据为FMT 值定量评价煤生烃排烃潜力的适用性和有效性提供了佐证。

9·The research approach to the study was organic petrology and organic geochemistry methods: Oil light, Fluorescence observations macerals and to their qualitative and quantitative;

本次研究采用的研究方法主要是有机岩石学结合有机地球化学方法：油浸光、荧光下观测有机显微组分并给其定性、定量；

10·The geochemical indicators, such as mineral, trace element and isotopic geochemistry and organic geochemistry indices, are of the most importance in the study of anoxic environment.

在缺氧环境的研究中，地球化学指标如矿物、微量元素、同位素和有机地球化学指标最为重要。