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本文利用长链不饱和酮分子及分子同位素δ１３Ｃ来恢复古气候、古溶解 ＣＯ２浓度和古盐度；说明有机地球化学在全球变化研究中的应用前景。
In this paper, long-chain unsaturated ketone molecular and molecular isotope δ13C to restore ancient climate, paleocarcinoma dissolved CO2 concentration and paleosalinity; illustrate the application of organic geochemistry in global change research prospects.