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题名: Pentacyclic triterpenoid ketones in peat from Gannan Marsh, China
作者: Duan, Y
刊名: ORGANIC GEOCHEMISTRY
出版日期: 2001
卷号: 46, 期号:17, 页码:1433-1436
关键词: Gannan Marsh peat ; pentacyclic triterpenoid ketones ; identification ; biochemistry
学科分类: Multidisciplinary Sciences
英文摘要: The distributions of n-alkanes and their hydrogen isotopic composition (delta D) in surface and core sediments from the saline Qinghai Lake were measured to assess whether or not biological source information was recorded in the delta D values of n-alkanes. The results indicate that the n-alkane distributions between shallow water surface and core sediments were similar, and closer to those of terrestrial herbaceous plants from the Qinghai Lake surrounding areas, rather than the aquatic plants living in the lake. The n-alkanes in the surface and core sediments had similar mean delta D values, ranging from -185% to -133% and -163% to -142%, respectively. The mean delta D values of n-alkanes in the sediments showed that the even n-alkanes were heavier in D compared with the odd homologues. (C) 2011 Elsevier Ltd. All rights reserved.
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/132962/2152
Appears in Collections:油气地球化学研究室_期刊论文

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Duan, Y.Pentacyclic triterpenoid ketones in peat from Gannan Marsh, China,ORGANIC GEOCHEMISTRY,2001,46(17):1433-1436
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