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- In gas phase polymerization fluidized-bed reactor (FBR), polymerization rate, devolatilization rate, cost of post-treament after polymeric process and polymer properties may be affected by polymer particle size distribution. 气相法流化床聚乙烯生产过程中,聚乙烯颗粒粒径分布影响聚合速率、脱挥速率、后处理工序生产成本和最终的聚乙烯物性。
- The relative contribution of these two reactions to the total polymerization rate depends on the monomer concentrations. 这两个反应对总速率的相对贡献与单体浓度有关。
- The results of MALLS analysis indicated that the co-initiating system could accelerate the polymerization rate and shorten the reacting time. MALLS的检测结果表明,在一定的浓度范围内,该共引发体系能明显加快聚合反应速率,缩短聚合反应时间,并且其用量也是影响产物分子量和分子量分布的重要因素。
- In a certain concentration range, the polymerization rate and average particle size increased with increasing the concentrations of styrene and divi... 稳定剂浓度的增大;使粒径减小;粒子数目增加;而对粒径分布和聚合速率的影响不大.
- An increase in dosage of DPR reduced polymerization rate,but showed no significant impact on the final monomer conversion. 歧化松香含量的增加降低了聚合速率,但对 单体的最终转化率影响不大。
- An increase in dosage of DPR reduced polymerization rate, but showed no significant impact on the final monomer conversion. 歧化松香含量的增加降低了聚合速率，但对单体的最终转化率影响不大。
- The influence of agitation intensity and agitator types on size of latex particle, polymerization rate, and latex stability during emulsion polymerization is reviewed. 综述了乳液聚合过程中搅拌强度对乳胶粒径、聚合反应速率、乳液稳定性的影响及搅拌器形式的影响。
- The polymerization rate is first-order overall with first-order dependence on vinyl functional group concentration and independent of thiol functional group concentration. 聚合反应为一级，且聚合速率与乙烯基浓度有关，而与巯基浓度无关。
- The influence of reaction temperate on yield had been studied.The dependency of polymerization rate on concentration of KPS,monomer and SDS were 0.5,1.22,1.17. 考察了引发剂浓度、乳化剂浓度、单体浓度对聚合的影响;得到三者的曲线斜率分别为0.;5;1
- The polymerization kinetics and analysis of IR and H-NMR shows thatan increase of GABE/n-BuLi(mole ratio) to the homopolymerization of Bd resultsin an increase in vinyl content of PB and polymerization rate at 50C. 聚合动力学、红外和核磁分析结果表明：在50℃下，GABE/n-BuLi（摩尔比）的增加导致丁二烯均聚物中乙烯基含量增加，聚合速率变快。
- Abstract： The effect of the chain structure of carboxylated polypropylene carrier (polypropylene grafted with unsaturated carboxylic acid) on the polymerization rate of acrylonitrile was investigated. 摘要： 研究了羧化聚丙烯载体(不饱和羧酸接枝聚丙烯)接枝链的结构对丙烯腈聚合速度的影响。
- The results showed that polymerization rate increased with increasing amount of initiator or increasing content of AA and there appeared a peak value of rate with increasing content of water. 结果表明，聚合速率随引发剂用量和AA含量的增加逐步加快，随体系水含量的提高出现极大值。
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
- A polymer of two or more different monomers. 共聚物一种由两种或多种不同单体构成的聚合物
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- Effect of polymer injection rate on EOR. 注聚合物速度对提高原油采收率的影响
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- A molecule that can combine with others to form a polymer. 单体可以与其他分子结合形成聚合物的分子
- They charge a fixed rate for each transaction. 他们对办理的每项业务收取一定的费用。
- The going rate for freelance work is 5 an hour. 自由职业者的现行酬金是每小时5英镑。
