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中国含油气盆地天然气的烷烃气(C_(1-4))碳同位素已有较多的研究成果.由于C_(1-4)烷烃气的分子种类有限而结构简单,及其碳同位素提供的信息有局限性.在湿气中C_(5-8)轻烃可见率大,并且其分子比C_(1-4)分子的结构复杂和种类多,研究其碳同位素,可取得更大量和丰富的科学信息,对探索和研究天然气的成因、鉴别气的类型和气源对比有重要意义.但天然气中C_(5-8)轻烃单体系列碳同位素研究,在国内、外都还很薄弱,在我国也仅有简单的研究报道.
Almost all of the carbon isotopes of natural gas in China’s petroliferous basins have been studied. Due to the limited molecular species of C 1-4 Alkanes, its structure is simple and its carbon isotope information There are limitations in the moisture C_ (5-8) light hydrocarbon visible rate, and its molecular structure than the C_ (1-4) molecules of complex and more species, the study of its carbon isotope, you can get a larger and more abundant Scientific information is of great significance in exploring and studying the origin of natural gas, distinguishing the type of gas and comparing the source of gas, but the carbon isotope of C_ (5-8) light hydrocarbon monomer in natural gas is still weak at home and abroad, In our country there is only a simple research report.