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- In alkali catalytic condition, PBTCA (2-phosphono-1,2,4-tricarboxylic acid butane) is prepared from dialkyl-phosphite ester, maleic acid dialkylester and alkylacrylic easter by one-step successive reaction, its yield is 87.7%. 以二烷基亚磷酸酯、顺丁烯二酸二烷酯;以及丙烯酸烷酯等为原料;在强碱性催化条件下;经 一步连续反应合成PBTCA(2|膦酸基|1;2;4三羧酸丁烷);产率为87.;7%25;
- Fructose decomposition consisted of two successive reactions, first from fructose to 5-HMF, then from 5-HMF to levulinic acid. 果糖分解反应主要由果糖分解为中间产物5-HMF和5-HMF进一步分解成LA两步组成,乙酸的加入加快了第一步反应速度,而对第二步反应无明显影响,因而中间产物5-HMF收率可高达83%25;
- Success and wealth transformed his character. 成功和财富改变了他的性格。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗?
- His success gave her vicarious pleasure. 他的成功给她如同身受的快乐。
- If everyone does his part, the project will surely be a success. 如果大家都尽责,这个项目肯定会成功。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The research project was only a partial success. 那个研究课题只取得部分成功。
- The growth of successive layers of a cell wall. 敷着,附着细胞壁连续层的生长
- I'm displeased at your reaction. 我对你的反应很不满意。
- A mistake now would be fatal to our success. 现在的一个错误对我们的成功将是致命的。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- Success is the fruition of his years of work. 成功是他多年工作的成果。
- His reaction on this matter is unexpected. 没料到,他对这件事的反应是这样的。
- He's always preening himself on his success. 他总是对自己的成功沾沾自喜。
- Success is mine if I stick it out. 只要我坚持到底成功就是我的。
- We have had three successive years of good harvest. 我们已连续三年丰收。
- A sharp reaction; a repercussion. 强烈反应后果,影响
- It takes hard work to achieve success. 成功需要努力工作。
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。