查询词典 monomer

The photostationary state time of monomer is less than the polymers, both of the monomer's cis% and Kp are more than the polymer's, and the Kp of HBPAZO-G0 is more than other polymers'.

加入B3核后，HBPAZO支化度增大，反—顺光异构化的空阻加大，HBPAZO-G0的Kp大于其它聚合物。

Through analysis of stage head, the influence factors sequently is: the dosage of initiation agent, the ratio of monomer to starch, the crossing agent, the ration of each monomer.

通过极差分析得出各因素对反应影响的主次：引发剂用量，淀粉与单体比，交联剂用量，单体比。

The results indicated that both the monomer and polymer silicic acids mainly reacted with the monomer aluminum to form soluble aluminosilicates.

结果表明：单体硅酸和聚硅酸主要与溶液中的单核铝反应生成溶解性硅铝酸盐。

A C-C bond type radical initiator i.e. 1,1,2,2-tetraphenyl-1,2-ethanediol and a S-S bond type thermal iniferter, i.e., tetraethyl thiuram disulfide were used to consist of new reverse ATRP initiation systems TPED/FeCl3/PPh3 and TD/FeCl3/PPh3, respectively."Living"/controlled polymerizations of a polar monomer MMA and a non-polar monomer St were investigated with the initiation systems as well as other new initiation systems; behavior of vinyl polymerization with a new asymmetrical C-C bond type thermal monomeric iniferter was studied also.

前者选用C-C键型的自由基聚合引发剂1，1，2，2-四苯基-1，2-乙二醇、S-S键型的热iniferter二硫化四乙基秋兰姆组成新引发体系TPED/FeCl3/PPh3、TD/FeCl3/PPh3，研究这些引发体系引发MMA、 St聚合的&活性&/控制聚合行为，同时研究一些其他新引发体系；后者合成了一种新的非对称C-C键型热引发转移终止剂，并研究其自由基聚合规律。

It has also been found that acidic medium is necessary for the formation of protonated monomer and dimer. The stability of the dimer of the tungstophosphate is lower; a pure monomer can be obtained by treating the mixture with a base (Bu4NOR). However, the dimer of tungstosilicate is stable under the same condition.

实验结果还表明，酸性介质是生成质子化单体和二聚体的必要条件，且钨磷酸盐二聚体的稳定性较低，用碱(Bu4NOH)处理合成产物可得纯的钨磷酸盐单体，而相同条件下钨硅酸盐的二聚体却比较稳定。

The relationship of the amounts of emulsifier, organosilicon monomer (D4) and initiator with the ratio of fluorescence intensity between first vibronic peak of pyrene (λ= 373 nm) and third vibronic peak of pyrene (λ=384nm)Ⅰ1/Ⅰ3 were discussed during the emulsion polymerization process, in which pyrene was used as fluorescence probe. The polymerization behavior of the organosilicon-acrylate latex with core-shell structure was investigated in line with the relationship of monomer conversion and development of morphology in latex particles with the value of Ⅰ1/Ⅰ3 for probe pyrene during the polymerization process.

以芘为荧光探针，探讨了有机硅-丙烯酸酯核壳乳液聚合过程中，芘的第一振动峰(373nm处)与第三振动峰(384nm处)荧光强度的比值Ⅰ1/Ⅰ3与乳化剂、有机硅单体（D4）和引发剂用量之间的关系，并结合聚合过程中探针芘的Ⅰ1/Ⅰ3 峰值与单体转化率及乳胶粒形态演变之间的关系，研究了核壳结构有机硅-丙烯酸酯乳液的聚合行为。

While other reaction conditions were setted, viscosity and yield of the product P were determined by Ubbelohde viscosity meter in different temperature;By parity of reasoning,viscosity and yield of the product P were determined in different initiator concentration、monomer concentration and monomer ratio.

固定其它反应条件不变，用乌氏粘度计测定了在不同引发剂浓度下产物P的特性黏度及产率；以此类推，测定了在不同单体浓度、单体配比条件下产物P的特性黏度及产率。

The effects of the crosslinking agent concentration, the neutralization degree of monomer and the composition of the copolymerized monomer on the hydrogel strength were investigated.

结果表明，树脂的交联密度是影响凝胶强度的最主要因素；而树脂的饱和吸水性对凝胶强度有一定的抑制作用。

As some of the monomer emulsion added diffuses into the particles and another nucleates to form new particles, there are two phases also and the monomer droplet seldom exists even though at the initial stage.

单体的不断加入和聚合，使单体在两相中分配未达到平衡，本文引入动态分配系数△Z，提出了校正的热力学关系式，用于各相单体分配的计算，结果与实验值很好地符合。

The present invention discloses nanometer composite polyester material prepared through polymerizing monomer 1, monomer 2 and nanometer particle.

本发明公开的聚酯纳米复合材料是将合成聚酯的单体1和单体2以及纳米粒子的前驱体一起聚合反应而成。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新