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- The influences of the catalyst, activator, acetic anhydride and thermostatic reaction temperature and time on the yield of coumarin were studied. 用 HPL C跟踪反应过程 ;对催化剂和活化剂的用量、乙酸酐的用量和用法及保温反应的温度和时间对香豆素收率的影响进行了研究 .
- Kept the thermostat lower to conserve energy. 减少自动调温机的使用以节约能源
- 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。
- A thermostatic bath is used for this purpose. 为此目的，使用恒温
- 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。
- The thermostat is based on the fact that different metals have different coefficients of expansion. 恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。
- What was his reaction to the news? 他对这消息的反应如何？
- You need a thermostat in your room. 你的屋里需要一个自动调温器。
- His reaction of swiftness surprised us. 他快速的反应能力让我们吃了一惊。
- A high - temperature thermostat. 高温恒温度，高温调节器
