Activity of acid catalyst was higher than that of base catalyst.
酸催化比碱催化具有更高的反应活性。
The activity of the regenerated catalyst was almost the same as the fresh catalyst.
失活催化剂烧焦再生后，其活性可基本恢复到新鲜催化剂的水平。
This material has a good ability in CO catalyst activity.
该材料具有较高的CO氧化催化活性。
The catalyst featured wide operating temperature "window", high activity and good crush strength.
催化剂具有高活性温域宽、氮氧化物去除率高和压碎强度好等特点。
The catalyst had high activity, strength and stability.
催化剂活性高，强度好，性能稳定。
The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.
该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。
Compared with prior art, this invention improves the catalyst activity obviously.
与现有方法相比，由本发明方法提供的催化剂的活性明显提高。
It shows that the acid catalyst works well on the reaction with efficient activity.
结果表明：酸化膨润土对阿司匹林的合成具有良好的催化活性；
It shows that the acid catalyst works well on the reaction with efficient activity.
结果表明：酸化膨润土对阿司匹林的合成具有良好的催化活性；
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