2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、畢業(yè)設(shè)計論文氫動力---- Hydrogen PowerSummary: Along with the automobile holds the quantity’s growth, and the world oil resource reduces day by day. The automobile exhaust pollutes the city air to be more and more serious. In orde

2、r to reducing the excessively dependence of oil resource and the automobile exhaust which be harm for our environment, Various countries are all by any means possible to reducing the automobile’s fuel consumption and dev

3、oting to the substitutive clean fuel and new energy’s research and development. Out country also has appeared one after another series of policy which encouraging energy conservation\environmental protection and the new

4、energy’s research and development to alleviate the contradiction between petroleum supply and demand.At present, the clean substitutive energy like alcohol type fuel, liquified petroleum gas, natural gas…ect had been use

5、d widely in world scope, and has obtained the certain effect. The new energy like dimethyl fuel cell, hydrogen fuel cells, biodiesel…ect are researching and developing. The hydrogen fuel cell takes one kind of highly eff

6、ective zero pollution the electrochemistry energy conversion installment,had been considered will become the most ideal automobile energy in the future. Although there will be a long process to realize the hydrogen econ

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