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您的检索式：作者名="Mingju Xiang"
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| 1 | The occurrence of fatty acids in immature source rocks and their distribution characteristics显示文摘The fatty acids in extractable bitumen and kero-gen of immature source rocks of the Liaohe Basin and Jiyang sag were investigated in this study. The result showed that the bitumen fatty acids were mainly associated with non-hydrocarbon fraction and that the kerogen fatty acids with some tightly bound fatty acids were mainly bounded in a net structure of kerogen by ester bonds. For the investigated source rocks, the fatty acids in bitumen, bound fatty acids and tightly bound acids in kerogen ranged in 0.01% -0.073 9%, 0.005%-0.045 5% and 0.005%-0.010% respec-lively. Among the fatty acids analyzed in this study, mono-carboxylic acids, α, ω-di-carboxylic acids and hydroxy acids accounted for 70%-100%, 0%-30% and <10% respectively. It was also found that the mono-carboxylic acids with longer chains mainly existed in bitumen, and that the a, ω-di-carboxylic acids and hydroxy acids mainly existed in kerogen. From above, it was assumed that the mono-carboxylic acids in bitumen might have played an | Jiyang Shi Mingju Xiang | 2001 | Chinese Science Bulletin2001，46，2： | 1 |
| 2 | Simulation experiments for evolution of fatty acids in immature source rocks显示文摘The anhydrous, hydrous and bitumen-extracted simulations were carried out for the immature source rocks from the Liaohe sag. It has been shown from the result that with increasing temperature in simulation experiments, the fatty acids content decreased at first and then increased. The decrease of fatty acids in immature rocks is presumably related to alkanes generation in immature oils, whilst the increase may be related to the fact that some additional fatty acids are generated from kerogen and the tightly bound fatty acids in kerogen are released as bound fatty acids in kerogen and unbound fatty acids in bitumen. The fact that the bitumen generated from kerogen contains fatty acids has demonstrated that some bound and tightly bound fatty acids in kerogen can be transferred into bitumen. The preferential fatty acids in the immature source rocks are found to be mono-carboxylic acids with longer chains, whilst krogen contains relatively more di-carboxylic acids. It has been found that the fatty acids in | Shi Jiyang Xiang Mingju Qu Dingchuang | 2001 | Chinese Science Bulletin2001，46，24： | 0 |
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