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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%的催化剂催化活性最好。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%的催化剂催化活性最好。
问题补充： |
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2013-05-23 12:21:38
The catalyst activity first increased and then decreased with the increase of citric acid content; at 400 ℃ and 425 ℃, 450 ℃ for citric acid dosage 12 wt.% Catalyst for catalytic activity of the best.
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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 % of the catalysts catalytic activity.
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2013-05-23 12:24:58
Along with the lemon acid content increase, after catalyst activeness increases first drops; In 400 ℃, 425 ℃, 450 ℃ under citric acid recruitment are 12 wt% catalyst catalytic activity are best.
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2013-05-23 12:26:38
With the increase in citric acid content, the catalyst activity declined after the first increase; at 400 ° c, 425 ℃, 450 ℃ lower catalytic activity of citric acid added at 12 WT% the best.
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2013-05-23 12:28:18
正在翻译，请等待...
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