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N-alkanes distributions and stable isotopic compositions (δ 13 C and δ 15 N) in the lacustrine sediments of Shijiu lake were measured to assess whether biological source information was recorded in the molecular biomarker. Results showed regular unimodal n-alkanes distribution in range of C 16 –C 33 with strong predominance of odd-numbered n-alkanes, maximizing at C...
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