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- As a result,to reach the same conversion a single stage transesterification was needed instead of two or three reaction stages. 与流行的两级甚至三级酯交换反应技术相比,仅通过一段酯交换反应就能达到相同的反应效果。
- The optimum ratio of a reaction stage 二、反动级的最佳速比
- 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。
- Results Compared with reported method,two reaction stages (3,17-diacetylation and hydrolysis) were omitted in improved synthesis.The structure of obtained 2-methoxyestradiol was confirmed via 1H? 结果改进的合成方法割除了文献报道方法中的3,17双乙酰化及水解二个反应步骤,合成获得的2甲氧基雌二醇成品进行了结构确证。
- 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。
- What reaction does diabetic initial stage have? 糖尿病患者初期有什么反应？
- 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。
- I had a bad reaction after my typhoid injection. 我注射了伤寒针剂后产生了不良反应。
