氢化硫加工技术------毕业设计外文翻译.doc

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氢化硫加工技术------毕业设计外文翻译,n the past 150 years, the united states has become increasingly dependent on fossil fuel combustion for transportation, power generation, and industrial process...
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n the past 150 years, the United States has become increasingly dependent on fossil fuel combustion for transportation, power generation, and industrial processes. But combustion of fossil fuels has an environmental price, including air and water pollution and greenhouse gas emissions.
Today, the Nation is laying the foundation for a new energy platform— a platform that uses hydrogen as an energy carrier to power fuel cells and other systems. Unlike traditional combustion systems, hydrogen systems produce energy using a battery-like electrochemical process. When used to power vehicles or generate electricity, fuel cells emit virtually no pollution or greenhouse gases.
However, serious technical challenges must be addressed to achieve the

在过去150 年, 美国变得越来越依赖于矿物燃料燃烧为运输、发电, 和工业生产方法。但矿物燃料的燃烧有一个环境价格, 包括空气和水污染和温室气体放射。 今天, 国家打基础为一个新能量平台使用氢作为能量载体供给燃料细胞和其它系统动力的平台。不同于传统燃烧系统, 氢系统导致能量使用a 电池象电化学过程。当过去常常供给车动力或发电, 燃料细胞不散发实际上污染或温室气体。
但是, 严肃的技术挑战必须演讲达到与基于氢的经济的转折。特别是, 我们的国家将需要开发干净的系统生产氢丰富, 付得起的供应; 广泛的基础设施为氢存贮和发行; 并且运用氢的安全, 高效率, 和经济系统。 当与碳隔离结合, 氢生产从国内矿物燃料是一条有为的大道为保证丰富, 对环境没有危害的氢供应。今天, 最丰富的美国化石资源- 和一个最付