At appropriate polymerization conditions the binary catalyst system shows a good synergic effect, the polymerization activity is higher than any single catalyst.
在合适的聚合条件下此复式催化剂具有很好的协同作用，其催化活性比任一单一催化剂的催化活性都高。
Polymerization control is the control of polymerization activity and polymer Mooney viscosity, namely the production capacity and product quality control during polymerization.
聚合过程控制为聚合活性与聚合物门尼粘度的控制，即聚合过程生产能力与产品质量的控制。
The steric and electronic configuration around the center metals has profound effect on the polymerization activity and the stereo - and regio-selectivity of the resulting polymers.
中心金属离子周围的电子效应和空间效应影响着催化剂的反应性能和所得聚合物的微观结构。
Activator is an important component of catalyst system for olefin coordination polymerization, which affects not only polymerization activity but also structure and property of resulting polymer.
助催化剂是烯烃配位聚合催化剂的重要组成部分。它不仅可以影响聚合活性，而且对所得聚合物的结构和性质也有明显的影响。
MTA also exhibited an eminent activity in the catalytic co-polymerization of ethylene and 1-hexene.
MTA在催化乙烯与1-己烯共聚合时，具有良好的聚合活性。
The catalytic activity of several common reagents in polyurethane pre - polymerization is analyzed.
分析了几种常见的试剂在聚氨酯预聚反应中的催化活性。
The behaviors of propylene polymerization under atmospheric pressure and the influence of electron donors on the activity and the isotacticity of the catalyst were investigated.
研究了所合成的催化剂催化丙烯常压聚合反应行为，考察了琥珀酸酯类给电子体对催化剂活性及聚丙烯等规度的影响。
The catalytic activity increased with increasing polymerization temperature, catalyst amount and monomer concentration.
催化聚合活性随反应温度、催化剂用量和单体浓度的提高而提高。
A substance exhibiting unusual chemical activity, which enables it to set in motion, or induce, a chemical reaction such as polymerization, oxidation, or detonation.
具有异常化学活性的物质，能起动或引发化学反应，如聚合、氧化或爆震。
The activity of the complex as catalyst in ATRP was confirmed by polymerization of MMA and block copolymerization of styrene.
将该配合物作为催化剂成功地进行了MMA的A TRP反应，和苯乙烯的嵌段聚合，证实该化合物作为A TRP催化剂具有催化活性。
DQ-1 catalyst is a high activity catalyst for propylene polymerization and co-polymerization. It is completely spherical with high stereoregularity, and high sensitivity towards hydrogen regulation.
结果证明，球形催化剂DQ -1是一种球形规整、活性高、定向能力高、具有良好的氢调性能及优良的共聚合性能的高效催化剂。
The catalyst is used in olefin polymerization, has high catalytic activity and makes the polymerized product contain no inorganic ash.
本发明的催化剂催化乙烯聚合催化活性高，聚合产物不含无机灰分。
The ageing method and batch polymerization were used to study kinetics of polymerization. It was found that decay of activity of catalysts was not related to polymerization reaction.
采用间断聚合和陈化方法进行了动力学分析，表明催化剂的活性衰减与聚合反应无关。
Besides increasing the catalyst activity, the pre-polymerization can not only raise the bulk density and isotacticity of the PP product, but also significantly diminish the cracking of the PP powders.
预聚除能够提高催化剂的活性外，对提高聚丙烯粉料的表观密度和等规指数、减少聚丙烯颗粒的破碎有显著影响。
As hydrogen peroxide and free radical intermediate participate in enzyme deactivation, loss of catalytic activity of HRP in phenol oxidative polymerization can be greatly accelerated.
催化酚和过氧化物的氧化反应中，反应物和产物参与酶的失活过程，使失活速率增加；
As hydrogen peroxide and free radical intermediate participate in enzyme deactivation, loss of catalytic activity of HRP in phenol oxidative polymerization can be greatly accelerated.
催化酚和过氧化物的氧化反应中，反应物和产物参与酶的失活过程，使失活速率增加；
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