报告从行业环境、太阳能、风能、生物质能、新能源汽车等几个方面进行了分析及评论。

关键词：太阳能；风能；生物质能；新能源汽车

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Oil and gas security refers to the technological solutions implemented to secure oil and gas infrastructure such as pipelines, refineries, and storage facilities from attacks from terrorists and cyber attackers. Oil and gas products play an important role in a nation's security, and hence the security of oil and gas products is always important.

关键词：石油；天然气；安全问题

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财务风险是企业财务管理工作的重要内容，如何切实有效地防范企业财务风险，确保企业能够健康、快速的发展已经成为我国燃气行业面临的重大课题。本文通过对燃气行业财务风险的成因进行分析，以期寻找更为有效的防范燃气行业财务风险的方法。

关键词：燃气行业；财务风险

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作为煤炭第一生产和消费大国，我国迫切需要找到一种效率高、清洁、成本可以接受的煤炭使用方式。经过多年探索和借助国内外经验，我们认为应大力推进煤制天然气（下称煤制气）的有序发展。在我国能源结构中，煤炭的生产和消费一直占主导地位。加快发展煤制气等煤炭清洁利用方式，既是高效清洁利用煤炭资源、调整能源产业结构、推动能源产业可持续发展的紧迫任务，也是改善国内能源供给、落实大气污染防治行动计划、培育新的经济增长点、促进能源大转型的战略举措。

关键词：煤制气；产业攻略

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This paper proposes a wheel slip control strategy for 4WD Electrical Vehicle with In-wheel Motors.In the first part of this paper,a brief introduction of sliding mode control for acceleration slip regulation is given.Consider that its control effect varies with road conditions,another algorithm which can automatically adapt to different roads is designed.This method takes advantage of the peculiarity of the longitudinal static tire force curve and regulates wheel slip ratio to the detected optimal value,aiming to maximize the traction force while preserving sufficient lateral tire force.Simulation results show that the slip rate can be regulated to a value around the optimal slip ratio,and the driving torque is very close to the maximum transmissible torque.The control strategy achieves stronger stability,shorter driving distance and hence better control performance.

关键词：电动汽车；ASR；自适应滑模控制

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Most mayors expect their cities deployments of new energy technologies to increase over the next five years, despite todays economic climate. Three in four cities (75) say their use of new energy technologies is likely to grow, with more than one-quarter (27) of the 396 cities in this survey expecting the increase to be significant. Cities in the Northeast and South anticipate faster growth, but there is little difference across cities small and large cities alike expect to be deploying more clean technology in five years than they do currently. Only three percent of cities expect their use of new energy technologies to decrease during this period.

关键词：能源；气候变化；能源需求；能源效率

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In the present work, the emulsion fuels from bio-oil heavy fraction and 0# diesel were prepared by mechanical and ultrasound emulsification technologies.The relationship between stable time of emulsions and HLB value of emulsifier was investigated.Results indicated that lower mechanical stirring speeds and lower ultrasonic amplitudes lead to longer stable time ofbio-oil heavy fraction emulsions.The stable time of emulsions reduced as HLB values increasing, and it reached a maximal value of 14 minutes under a HLB value of 1.8.Zetasizer Nano S90 was adopted to measure the droplet distribution of emulsions.The major droplet size of emulsions was smaller than 90nm.Meanwhile, the droplet distribution curve of ultrasound emulsions was much complex than those of mechanical emulsions.

关键词：生物油；重质馏分;乳化燃料液滴分布的表面张力

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The Clean Energy Ministerial (CEM) is a high-level global forum to share best practices and promote policies and programs that advance clean energy technologies and accelerate the transition to a global clean energy economy. The CEM works to increase energy efficiency, expand clean energy supply, and enhance clean energy access worldwide. To achieve these goals, the CEM pursues a three-part strategy that includes high-level policy dialogue, technical cooperation, and engagement with the private sector and other stakeholders. Each year, energy ministers and other high-level delegates from the 23 participating CEM governments come together to discuss clean energy, review clean energy progress, and identify tangible next steps to accelerate the clean energy transition. The U.S. Department of Energy, which played a crucial role in launching the CEM, hosted the first annual meeting of energy ministers in Washington, DC, in June 2010. The United Arab Emirates hosted the second Clean Energy Ministerial in 2011, and the United Kingdom hosted the third Clean Energy Ministerial in 2012. This year, India hosted the fourth Clean Energy Ministerial (CEM4) in New Delhi.

关键词：能源管理；能源效率；能源供应；清洁能源

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The O&M activities are a critical component of wind energy systems. Despite the fact that wind energy systems do not require any kind of fuel, there is a huge cost involved in the O&M process of such systems. Thus, the main expenditure for wind energy systems is the component cost as well as its O&M. Hence, O&M is of vital importance to protect these assets and keep them running in optimal condition during their expected lifetime. Good O&M practices can optimize the profitability of the wind farm and ultimately reduce the downtime of the turbine, thereby extending its lifespan. O&M also tends to be higher for offshore wind energy systems compared to the terrestrial systems, because of the difficulty and the logistics involved in maintaining wind turbines in harsh marine environments.

关键词：OM；风力发电系统；运维过程；运行和维护

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本报告从能源行业事件分析；竞争环境、竞争对手、行业数据等几个方面进行了分析评论。

关键词：行业事件分析；竞争环境；竞争对手；行业数据

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