以下为句子列表：
英文: A dynamical model of H2 fuel cell stack with water balance is developed in this paper for studying steady and dynamical performances of proton exchange membrane (PEM) fuel cell stacks.
中文: 摘要提出和建立了包含水平衡的氢燃料电池堆的动态模型，用于研究质子交换膜(PEM)燃料电池堆的静、动态性能。
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英文: Abstract: It has been discovered that the coke formed in CH4 coupling under plasma can be eliminated via pure H2 discharge in the system.Eliminating coke under plasma with positive or negative high voltage in DC electric field has been compared with that
中文: 文摘:发现了等离子条件下甲烷偶联反应中形成的积炭可以通过该体系中纯氢气放电而消除.将消除积炭使用直流电场的正高压和负高压与使用交流电场作了比较,发现直流电场中无论使用正高压还是负高压,只有阴极上的积炭可以被消除,而交流电场中两极积炭均可被消除,反应器壁上的积炭在以上任何情况下均可被消除.基于实验事实提出了机理假设.消除积炭的量与输入功率、反应器对电极的直径比以及电极材料有关.
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英文: Experiment data indicated that the mechanism of the reaction should be a radical course and NH2 may be produced by oxidation and reduction reaction under higher pressure and temperature.
中文: 实验数据表明，该反应历程为自由基加成反应历程，NH2的产生可能是由于在实验条件下发生了氧化还原反应。
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英文: Liblaa RS,Singer SM, McDevitt HO. Th 1 and Th2 CD4 +T cells in the pathogenesis of organ specific autoimmune diseases[J]. Immunol Today, 1995,16:3439.
中文: 王振和,马宝骊,赵晓娟,等空肠弯曲菌与可提取核抗原的分子交叉反应[J].上海免疫学杂志,1995,15:1.
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英文: Many of the students seemed shocked that anyone would spend their own money to fly half way around the world, take risks and put up with2 hardship to do a story that may or may not get published.
中文: 很多学生似乎非常震惊于这样一个事实：竟然还有人会自己掏钱飞大半个地球，冒着风险，历经困难去制做一个不知能否发表的故事。
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