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2013-05-23 12:21
求翻译：Table 1 indicates that the olefins decrease from 65.9% before treatment to 32.5% after treatment by the modified nano-HZSM-5 catalyst. Mean-while, the aromatics increase from 1.5% to 9. 3%，the alkanes increase from 32.6% to 58.2%，but the benzene is kept lower than 1.0%.The octane number maintains unchanged.The fractio是什么意思？ 待解决
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Table 1 indicates that the olefins decrease from 65.9% before treatment to 32.5% after treatment by the modified nano-HZSM-5 catalyst. Mean-while, the aromatics increase from 1.5% to 9. 3%，the alkanes increase from 32.6% to 58.2%，but the benzene is kept lower than 1.0%.The octane number maintains unchanged.The fractio
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