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关注：1
2013-05-23 12:21
求翻译：The lifetime of the commercial CaO and modified CaO were tested by repeating transesterification several times with used catalysts under the optimum reaction condition. Used catalysts were separated from the previous reaction mixture by centrifugation,washed with hexane, and then dried at 60 C. The product was subject是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
The lifetime of the commercial CaO and modified CaO were tested by repeating transesterification several times with used catalysts under the optimum reaction condition. Used catalysts were separated from the previous reaction mixture by centrifugation,washed with hexane, and then dried at 60 C. The product was subject
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2013-05-23 12:21:38
商业曹和改性CaO的寿命进行了测试重复酯交换催化剂的最佳反应条件下几次。使用催化剂从以前的反应混合物离心分离，用正己烷冲洗，然后在60℃干燥。该产品是为名利的决心，气相色谱分析[5]描述。
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
商业CaO的终身和修改过的CaO通过重覆酯交换反应测试多次与使用的催化剂在最宜的反应情况下。 使用的催化剂从早先反应混合物被分离了由离心法，洗涤了与己烷，然后烘干了在60 C。 产品被服从了到GC分析为名望决心，如所描述及早(5)。
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2013-05-23 12:26:38
商业曹和改性的曹的生存期重复几次酯催化剂优化反应条件下进行了测试。使用的催化剂用离心法从以前的反应混合物分离，正己烷，用水洗，然后干在 60 C。产品受到了气相色谱分析测定成名，描述早期 [5]。
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2013-05-23 12:28:18
商业 CaO 的一生和修改 CaO 被在最适宜的反应条件下若干次重复有陈旧的催化剂的跨酯化作用测试。Used catalysts were separated from the previous reaction mixture by centrifugation,washed with hexane, and then dried at 60 C.产品为名声决心遭受 GC 分析，根据说明 earlier(5)。
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