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关注：1
2013-05-23 12:21
求翻译：随着柠檬酸含量的增加，催化剂的活性先增加后下降；在400 ℃、425 ℃、450 ℃下柠檬酸添加量为12 wt%催化活性最好。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
随着柠檬酸含量的增加，催化剂的活性先增加后下降；在400 ℃、425 ℃、450 ℃下柠檬酸添加量为12 wt%催化活性最好。
问题补充： |
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2013-05-23 12:21:38
With the increase of citric acid content in the catalyst activity first increased and then decreased; at 400 ℃ and 425 ℃, 450 ℃ for citric acid dosage 12 wt% the best catalytic activity.
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2013-05-23 12:23:18
With the added citric acid content, as a catalyst to increase the active declined after C; in 400, and 425 °, 450 ° °C C the citric acid added to 12 wt % catalytic activity.
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
Along with the lemon acid content increase, after catalyst activeness increases first drops; In 400 ℃, 425 ℃, 450 ℃ under citric acid recruitment are 12 wt% catalytic activities are best.
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