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- A more ideal catalyst hasbeen found out by trial and error, which can make the reaction selectivity approching 50%. 通过多次试验筛选，初步选出一种比较理想的催化剂，对位的选择性接近50%25左右。
- Objective To evalute reaction selectivity to high-density lipoprotein cholesterol (HDL-C) of modified cholesterd esterase. 摘要目的：对胆固醇酯酶进行修饰，评价修饰酶的反应选择性。
- Concept, theory and characteristics of supercritical liquid, reaction kinetics and reaction selectivity under supercritical liquid. 摘要介绍了超临界流体的概念、原理和特点，及在超临界下反应动力学和反应选择性。
- The effect of internal diffusion of hetergeneous phase reaction on activation energy, reaction stages and reaction selectivity is discussed. 讨论了内扩散效应对非均相反应的活化能、反应级数、反应选择性等宏观动力学参数的影响。
- The characteristics of microwave, such as fast heating, higher productivity and higher reaction selectivity, provide a new approach to the preparation and activation of zeolites. 认为微波所具有的快速、高产率、高反应选择性等特性，为沸石分子筛催化剂的制备和活化提供了一条新途径。
- The characteristics of microwave,such as fast heating,higher productivity and higher reaction selectivity,provide a new approach to the preparation and activation of zeolites. 认为微波所具有的快速、高产率、高反应选择性等特性,为沸石分子筛催化剂的制备和活化提供了一条新途径。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- A sharp reaction; a repercussion. 强烈反应后果，影响
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The reaction of the audience was instantaneous. 观众即刻有了反应。
- What was his reaction to the plan? 他对这个计划有什么反应?
- The medicine produced a violent reaction. 这药物引起了剧烈的反应。
- My reaction will be to partake in the speech competition. 我的看法倒是要参加这次演说比赛。
- What was his reaction to the news? 他对这消息的反应如何？
- His reaction of swiftness surprised us. 他快速的反应能力让我们吃了一惊。
