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飞天超人

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[求助] 求翻译一段话。3句

因为对我来说这段话很重要,我怕自己理解偏了 请大家帮我看看 谢谢
Transesterification, being commonly acid-catalyzed, might be thought a function of the catalyst support and indeed our earlier work (5) showed this can be so. However, copper alone was also a catalyst under conditions similar to those used here,and, indeed, considerable conversion tookplace in an empty tube. Hence we are pessimistic about avoiding transesterification except at such low pressures that the overall course of dehydrogenation might also differ.
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myIDname

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人民大会堂首席清洁工

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飞天超人: 金币+4, ★★★★★最佳答案 2013-03-15 12:50:42
hanches: 金币+2, 谢谢修改~~奖励BB~~~ 2013-03-19 22:14:06

hanches

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obscure nacissus

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飞天超人: 金币+6, ★★★很有帮助 2013-03-15 12:50:25

飞天超人

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