英汉例句

• photoinitiator of cationic polymerization is a new type of high efficient photoinitiators used in uv curing applications.

  阳离子型光引发剂是一类新型的紫外光固化材料的引发剂。

• the results showed that:there were not obvious retarding effects of the conventional cationic surfactant 1227 and cationic polymerization surfactant dyeing modified polyester ;

  研究结果表明：传统的阳离子表面活性剂1227和聚合阳离子表面活性剂对改性涤纶的上染没有明显的缓染作用；

• c5 petroleum resin was synthesized by cationic polymerization with c5 fractions as raw materials.

  以c5馏分为原料，采用正离子聚合反应，经过原料预处理、热聚合、正离子聚合等工序合成了c5石油树脂。

• research progress in synthesis of block copolymer by transformation polymerization of living cationic polymerization into other ki nds of polymerizations was summarized.

  综述了国内外利用活性正离子聚合转化法合成嵌段聚合物的研究进展。

• the total yield of resins made by the two-step method of radical and cationic polymerization is higher than 60%.

  采用自由基和阳离子两步聚合法使石油树脂总收率提高到60％以上。

• moreover, cationic polymerization of dvb also can happen in the condition.

  此外，dvb在还会发生阳离子型自聚反应。

• the cationic polymerization initiator.

  离子聚合的引发剂。

• one of the most important breakthroughs in cationic polymerization in 1980s is perhaps the discovery of living cationic polymerization.

  在80 年代，阳离子聚合研究的一个最重要突破可能就是活性阳离子聚合。

• one of the keys to a living cationic polymerization is to add some additives, including electron donor compounds, ammonium salts and chelating agents, into a reaction system.

  实现活性碳阳离子聚合的一个关键点就在于向反应体系中加入某种添加剂，例如给电子化合物、铵盐等。