沸石导向剂陈化反应的控制步骤是低聚态硅铝酸根离子之间或低聚态硅铝酸根离子与低聚态硅酸根离子之间的定向聚合反应。
The controlling step of the ageing reaction for the directing agent of zeolite L is directional polymerization between aluminosilicate oligomers or between aluminosilicate and silicate oligomers.
研究了催化剂浓度、聚合时间、真空度、聚合温度和陈化温度等对聚合收率和聚合物粘均分子量的影响。
The influences of catalyst concentration and aging temperature, polymerization time and temperature on molecular weight of the polymers were studied.
确定偶联剂、陈化时间和热压温度为实验因素,以静曲强度、弹性模量、胶合强度、表面胶合强度为衡量指标。
We take three factors into consideration including coupling agents, assembly time, and hot pressing time to analysis the influence they play to MOR, MOE, surface bond strength, bond strength.
介绍了镍系顺丁橡胶生产的工艺, 催化剂陈化方式,比较了国内外生产工艺的不同及差距;提出对镍系顺丁橡胶生产的建议。
Introducing the production technology of BR and catalysis and comparing with foreign technology. Some suggestion about future development of nickel-catalyzed BR were presented.
以碳酸氢铵作沉淀剂,从氯化钕料液中沉淀钕,经陈化结晶制备碳酸钕。
Crystalline neodymium carbonate was prepared by aging amorphous neodymium carbonate, which was formed by the reaction of neodymium chloride and ammonium bicarbonate, at elevated temperature.
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。
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。
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.
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