The integrated gasification combined cycle (IGCC) is a promising electrical generation system which combines a clean coal transformation technique with a high efficiency combined cycle system.

整体煤气化燃气-蒸汽联合循环(简称IGCC)是洁净煤转化技术和高效联合循环系统相结合的发电技术。

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Overall Sitemaps 0.90 protocol offers an improvement in terms of crawling efficiency that cannot be accomplished using regular sitemap references and robot directives combined.

总的来说，Sitemaps 0.90协议对爬行效率提供了改进，而常规站点地图引用和组合的机器指令无法完成这点。

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The efficiency of a coal-fired thermal plant is typically in the range of 30%-35%. In a combined cycle gas turbine system running on natural gas, the maximum efficiency is in the range 45%-50%.

烧煤的热电厂的效率通常在30%到50%之间，使用天然气的联合循环燃气轮机系统最大效率在45%到50%之间，而很多专家认为高温燃料电池的效率可达到80%至85%。

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Natural gas emits 29% less carbon dioxide than oil and 45% less than coal, and it can be used in high-efficiency combined cycle power stations.

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"This team is playing with a ruthless defensive efficiency, combined with traditional Welsh attacking flair, " he said.

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In 2001, the Alliance to Save Energy picked awarded Pataki its most prestigious annual prize for leadership in energy efficiency and combined heat and power.

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