These parameters demonstrate that particle size has great effect on the reaction activity.
从这些参数比较表明，颗粒度的大小对反应活性存在明显的影响。
All this activity is a reaction to the growing popularity of video communication.
所有这些行为都是对视频通信越来越流行的反应。
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；
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。
The rate of the reaction is directly proportional to the enzyme activity.
其反应速度与酶的活性成正例。
The rate of the reaction is directly proportional to the enzyme activity.
其反应速度与酶的活性成正例。
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