查询词典 polymerization

Chemical modification was carried out by the radical polymerization of KH-570 and acrylate monomer.

改性后的树脂具有丙烯酸树脂和有机硅聚合物的优点。

Synthesis of super high molecular weight sodium polyacrylate by inverse suspension polymerization of acrylamide and sodium acrylate was studied.

以丙烯酸钠和丙烯酰胺为单体，采用反相悬浮聚合法制备了超高分子量的聚丙烯酸钠。

In addition, sVCAM-1 induced cell shape change and actin polymerization, which are necessary for cell movement.

此外，sVCAM-1能诱导细胞形态的改变和肌动蛋白的聚合，这些都是细胞运动的必要条件。

Anilido-imino nickel complex 1 {(C6H3Me2-2,6)N=CH-5-NO2-C6H3N (C6H3Me2-2,6)}NiBr was first synthesized, and its catalytic behavior toward polymerizations of norbornene and ethylene in the presense of methylaluminoxane were investigated in detail. The complex activated with methylaluminoxane exhibited high activities for norbornene polymerization.

首次合成了苯胺基亚胺镍配合物1{(C6H3Me2-2，6)N=CH-5-NO2-C6H3N(C6H3Me2-2，6)}NiBr，研究了其在助催化剂甲基铝氧烷的作用下对降冰片烯、乙烯的均聚以及对降冰片烯和乙烯的共聚的催化性能。

Or so. What's more, the theory of the films shaping and conducting is discussed. There are some key reactions such as alcoholysis reaction in the processing of Sol preparation, dehydration reaction and condensation polymerization when films are coated and consolidation in the process of desiccation and sinter.

左右。分析了溶胶-凝胶法制备薄膜的形成机理和导电机理，对薄膜形成过程进行分析，归纳出形成过程的化学反应主要有：溶胶制备中的醇解反应、浸渍提拉镀膜中的水解和缩聚反应以及干燥和热处理成膜中的聚合、分解与键合反应。

The influence of polymerization degree and alcoholysis degree of polyvinyl alcohol, the ratio of Span - 20 to Tween - 20, the amount of polyvinyl alcohol, the amount of water - soluble inhibitor, pretreatment and after - treatment processes and et al on the hydrophobic property and stability of the water -repellent is investigated.

研制了一种以聚乙烯醇、2种非离子表面活性剂——Span-20和Tween-20、水溶性缓蚀剂等为原料的水性憎水剂；考察了聚乙烯醇的聚合度和醇解度、2种非离子表面活性剂之间的配比、聚乙烯醇含量、乳化剂含量、水溶性缓蚀剂含量、预处理和后处理工序等因素对憎水剂憎水效果及稳定性的影响。

PVA-2080 is one of the important dispersing agents to produce loose polyvinyl chlorid. At present KH-20 is mainly imported from Japan to take the place of the traditional gelatin to produce high quality PVC in our country. In order to solve this problem, we exploit PVA-2080 to replace the foreign products. The experiment includes two steps of polymerization and a process of partial alcohlysis. After a number of trials, we get a product of white particles.Its average degree of alcoholysis is 80.77% and t...

聚乙烯醇- 2 0 80 (PVA - 2 0 80 )是生产疏松型聚氯乙烯的重要分散剂之一目前，国内主要依靠进口日本的KH - 2 0以代替传统的明胶来生产高质量的PVC产品为了解决这一问题，作者开发了PVA - 2 0 80 ，以代替国外进口本试验经过两步聚合和部分醇解等过程，通过正交试验优化试验条件，得到了外观为白色粉末状颗粒、平均聚合度为 2 0 4 2、醇解度为 80 。77%的产品经小釜应用试验，效果比较理想

The new catalyst for preparing base oil of lubricant by polymerization of α-alkene was studied.

对α-烯烃聚合制备润滑油基础油的新型催化剂进行了研究。

Multi-hydroxyl polymer,CXC-1,as an anti-sloughing agent for water base drilling fluids,is a yellowish liquid and is prepared by polymerization of alkylene oxides and polyhydroxylated compounds.

多羟基聚合物防塌剂 CXC-1是以环氧化物及多羟基化合物共聚而成的聚合物防塌剂，为淡黄色黏稠液体。

By adopting one step synthesizing method, the polymerization of directly aroma cyclizing of alkyne and nitrile is simple.

聚合反应通过炔腈直接芳环化，合成方法简单，采用一步法的合成方法，超支化聚合物显示出高亮度和高发光效率，具有耐高温，耐腐蚀，比重轻，强度高等特点，可望作为用于航天的高性能材料。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！