查询词典 polymerization

Comparing the three processes, it has been found that the semicontinuous solution polymerization runs stably and the polymerization temperature can be well controlled.

为了获得稀土催化苯乙烯聚合合成UHMWPS的合适的聚合方式，分别进行了稀土催化苯乙烯间歇本体、溶液聚合及半连续溶液聚合的研究。

The most favorable temperature for polymerization of styrene is 50℃ and the activity of catalysts decreases with the increase of polymerization time.

最佳的聚合温度为50℃，催化剂的活性随聚合时间的延长而降低。

The selection of fire retardant agent, performance analyzing of fire retardant and anti-static polyester chips, influence of polymerization temperature on polyester's tinct and viscosity, influence of adding time on polymerization process as well as chips drying and spinning process were further studied.

对阻燃剂的选择、阻燃－抗静电聚酯切片性能、聚合温度对聚酯色泽和黏度的影响、添加时机对聚合过程的影响及切片干燥和纺丝工艺进行了较深入的探讨。

The selection of fire retardant agent, performance analyzing of fire retardant and anti-static polyester chips, influence of polymerization temperature on polyester's tinct and viscosity, influence of adding time on polymerization process as well as chips drying and spinning process .

选用有机阻燃剂-无机抗静电剂路线，选择合适的聚合、纺丝和后加工工艺，成功地纺制出性能优良的阻燃-抗静电涤纶短纤维。

Third, Polymerization behaviors of alkenyl substituted Cp Lanthanide complexes as Methyl Methacrylate polymerization catalysts were also studied.

最后，本文还分别考察了烯丁基和烯丙基取代茂的稀土络合物对甲基丙烯酸甲酯的催化聚合反应。

Second, the polymerization behaviors of alkoxyl substituted Cp titanocene for styrene syndiotactic polymerization were investigated.

其次，本文研究了烷氧基取代的茂钛络合物对苯乙烯间规聚合的催化作用。

Mol〓 by examining the acid number of the system during polymerization. The monomer emulsion of St and CTUP was formed by adjusting pH to 8, and the self-emulsified emulsion polymerization was initiated by using KPS and sodium bisulphite.

以CTUP和St为单体，通过调节体系至弱碱性(pH=8)制成单体/水的乳化液，并在过硫酸钾-亚硫酸氢钠氧化还原体系的引发作用下进行自乳化乳液聚合。

According to the study on the polymerization catalyst,analysis of XRD and bromic bond,the condition of the polymerization process was further studied.

并根据新型聚合催化剂的研究和XRD、溴价分析，对聚合反应的工艺条件进行了考察。

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

摘 要：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。

This thesis illustrates polymerization of PGA by using Chloroacetic acid contract-synthesize polymerization with solvent.

本论文主要研究了溶液缩聚法合成聚羟基乙酸的实验方法。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。