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中文摘要：
能源投入回报（Energy Return on Investment,EROI）在1984年正式提出后,受全球能源生产放缓、油价剧烈波动等因素影响,受到越来越多的关注。国外学者进行了深入研究包括测算常规化石能源、非常规化石能源以及可再生能源等的EROI值,但国内相关研究甚少,因此,本文主要目的是通过系统分析EROI研究现状和趋势为国内学者研究提供参考。本文总结了目前国内外已测算出的常规油气、页岩气、生物能等的EROI值,发现化石能源EROI呈现下降趋势,新能源的EROI值较常规化石能源明显偏低。未来需要进一步研究的领域主要包括：非常规能源和新能源EROI值的测算;EROI与传统能源评价方法的结合;考虑环境破坏所产生能源成本下EROI的计算;考虑技术进步等因素下能源消耗的预测;研究EROI与经济发展、生活水平等方面关系。
英文摘要：
Energy Return on Investment（EROI）,formally proposed in 1984,has got more attention due to the slowdown of global energy production,the impact of oil price volatility and other factors.Foreign scholars have conducted in-depth research,including the estimates of EROI values of conventional fossil fuels,unconventional fossil fuels and renewable energy,while there has been little research on this topic in China.Therefore,the purpose of this paper is toprovide the reference for domestic scholars through the systematic analysis ofEROI status and trends.This paper summarizes the EROI values of conventional oil and gas,shale gas,bio-energy that estimated at home and abroad,which indicates thatthe EROI of fossil energy have downward trend and the EROI of new energy are significantly lower than that of conventional fossil energy.In the future,more efforts should be put into the EROI calculation of unconventional energy and new energy,combination of traditional energy evaluation methods and EROImethod,EROIcalculation considering environmental cost,energy consumption forecastconsidering the factors such as technological advances,andresearch on the relationship of EROI and economic development,living standards,etc.
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