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Resinification of furfural on the catalyst was the main cause of deactivation.

脂化结焦是导催化剂失活的因。

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3G, 401(K), a,

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IELTS Reading

Instead of a rapid deactivation following sundown, the molecules gradually change from their active to inactive state.

后迅速失活,而分子逐渐从活变为非活

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3G, 401(K), a,
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