以下为句子列表：
英文: And although the U.S. auto industry has cut exhaust emissions substantially since the unregulated 1960s—hydrocarbons dropped by 99 percent, carbon monoxide by 96 percent and nitrogen oxides by 95 percent—the continued production of carbon dioxide causes c
中文: 从毫无法规管制的1960年代至今，虽然美国汽车业界已经大幅减少排放的废气（碳氢化合物降低了99%，一氧化碳降低了96%，氮氧化物降低了95%），但持续产生的二氧化碳仍是个问题，因为它可能影响地球的气候。
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英文: Sulfur dioxide and nitrogen oxides spewed by China's coal-fired power plants fall as acid rain on Seoul, South Korea, and Tokyo.
中文: 中国火力发电厂喷出的二氧化硫和一氧化氮以酸雨的形式落到了南韩的首尔和日本的东京。
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英文: Their emissions are especially damaging, too—partly because the nitrogen oxides from jet-engine exhausts help create ozone, a potent greenhouse gas, and partly because the pretty trails that aircraft leave behind them help make the clouds that can intensi
中文: 他们制造出的排放物质对大气层的破坏也尤为严重——这一方面是由于喷气式发动机工作产生的氮氧化物会促使臭氧的形成，而臭氧是一种强温室气体；另一方面是飞机掠过后留下的漂亮尾迹会有助于云的形成，从而加强温室效应。
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英文: Selective Catalytic Reduction of Nitrogen Oxides under Lean-Burn Condition over Fe-Mo/ZSM- Catalysts
中文: 贫燃条件下Fe-Mo/ZSM-催化剂上氮氧化物的选择性催化还原研究
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英文: The Study on Selective Catalytic Reduction of Nitrogen Oxides by Methane
中文: 甲烷选择性催化还原氮氧化物的基础研究
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