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- This paper introduced advance in synthesis technology of poly(ethylene oxide)and mechanism of coordinate anionic polymerization,and reviewed the catalysts used in the polymerization of ethylene oxide. 介绍了聚环氧乙烷合成技术的发展概况及阴离子配位聚合机理,对环氧乙烷聚合用催化剂进行了综述。
- coordinated anionic polymerization 配位阴离子聚合
- Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions. 醛类和其他的羰基化合物,由于烷氧基离子的稳定性,最容易通过本质上是负离子的机理进行聚合。
- You operate the mechanism by winding this handle. 操纵这台机器要转动这个把手。
- The watch has delicate mechanism. 这块表有精细的机械装置。
- It was proposed that the growth unit of these oxides is a sort of polyhedral structure of coordinative anions. 在生长条件和溶液过饱和度不同时,生长基元的维度也不同,而不同维度的生长基元往晶体各族晶面上叠合的速率也有差异。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- A part of a mechanism that moves in this manner. 横移物以这种方式移动的一个机械零件
- There's no mechanism for changing the decision. 没有办法改变这一决定。
- An airplane engine is a complex mechanism. 飞机引擎是种复杂的机械装置。
- A device or mechanism that grinds grain. 磨臼,磨粉机磨谷物的装置或机械
- He is an excellent athlete; all his movements are perfectly coordinated. 他是个优秀的运动员,他所有的动作都非常协调。
- A tripping or triggering device on a mechanism. 倾卸装置、钩杆机械装置上断开或启动的装置
- The traditional synthesis crafts of PLA include cationic polymerization, anionic polymerization and coordinated polymerization. 另外,对聚乳酸性能的改进也有了相当程度的研究。
- A similar device used to release or activate a mechanism. 起动装置,扳柄类似扳机的装置。用来使机械装置运作
- A coordinated outfit or costume. 剧团或文工团
- The soldier told us where the firing mechanism of a rifle is. 那个士兵告诉我们哪儿是步枪的击发装置。
- The traditional synthesis crafts of PLA include cationic polymerization,anionic polymerization and coordinated polymerization. 另外,对聚乳酸性能的改进也有了相当程度的研究。
- Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions 醛类和其他的羰基化合物,由于烷氧基离子的稳定性,最容易通过本质上是负离子的机理进行聚合。
- A projecting handle used to adjust or operate a mechanism. 操作杆用来调节或操作某一机械装置的突出把手