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题名: Branched alkanes with quaternary carbon atoms in Chinese soils: Potential environmental implications
作者: Bai Yan ; Fang Xiaomin ; Wang YongLi(王永莉) ; Kenig, Fabien ; Chen Xiuling ; Wang Youxia
刊名: CHINESE SCIENCE BULLETIN
出版日期: 2006
卷号: 51, 期号:9, 页码:1115-1122
关键词: branched alkanes with quaternary carbon atoms ; BAQCs ; lipids ; modern soils ; environmental implication
学科分类: Multidisciplinary Sciences
英文摘要: The effects of high pressure and temperature on carbon isotopic compositions of acyclic alkanes and the stability of the acyclic alkanes were experimentally investigated. The pyrolysis of lignite with water in a closed system was conducted at 400-700 degrees C and 1-3 GPa. The carbon isotope data, variations of peak carbon and evident odd-even predominance of acyclic alkanes indicated that: (1) the high pressure retarded the maturation of organic matter and destruction of hydrocarbons, (2) n-C12+ hydrocarbons from biogenic sources could be preserved in the cool slab subducted into the upper mantle, and (3) some organic compounds might preserve the carbon isotope signals inherited from biogenic sources. The results favor tracing the origins of organic matter in mantle rocks and extraterrestrial organic matter in meteorites and the process of deep carbon cycle.
收录类别: SCI
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.lig.ac.cn/handle/132962/2122
Appears in Collections:油气地球化学研究室_期刊论文

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Bai Yan; Fang Xiaomin; Wang Yongli; Kenig, Fabien; Chen Xiuling; Wang Youxia.Branched alkanes with quaternary carbon atoms in Chinese soils: Potential environmental implications,CHINESE SCIENCE BULLETIN,2006,51(9):1115-1122
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