查询词典 polymerization

Polyaspartic acid was synthesized with maleic anhydride and salvolatile as raw material by the method of thin layer polymerization.

以马来酸酐和碳酸铵为原料，通过薄层聚合制备了聚天冬氨酸，研究了反应物配比、聚合时间及反应温度等因素对聚合物产率、相对分子质量的影响；考察了聚合物用量及相对分子质量对阻垢性能的影响。

As for PAn-based composites, the influences of the kinds of oxidant, the amount of hydrochloric acid and barbon black on conductivity were investigated, Li/PAn button-type secondary batteries were assembled with PAn-based composites which were synthesized by chemical oxidative polymerization and used as cathode, the influences of the kinds of oxidant, synthesized technics, conducting carbon black added mode and PAn/metal oxide composites used as cathode on the properties of these batteries were studied.

对于聚苯胺基复合材料体系，研究了氧化剂种类、盐酸用量、炭黑用量对复合材料电导率的影响；以化学法制备的聚苯胺基复合材料作正极组装了Li/PAn二次扣式电池，探讨了氧化剂种类、聚合工艺、导电剂的加入方式以及PAn与金属氧化物复合后作电池正极的性能。

Air Stone has "Asia Outdoor" close cooperation, China will soon spread outside the field of high-end summit - held in Changsha on the 25th of this month's "spread the Seventh China Outdoor Conference" once again showed in the polymerization of insight throughout the people in, through the forum to promote cooperation agreement with China's outdoor advertising refueling.

据悉，航美金石已与《亚洲户外》密切合作，即将在中国户外传播领域高端峰会——本月25日在长沙召开的&第七届中国户外传播大会&再次精彩亮相，聚合各地有识之士，通过座谈促进紧密合作协议，一起为中国户外广告加油。

College of Chemical Engineering, Guizhou University, Guiyang Guizhou 550003, ChinaAbstract:In the course of polymerization of tung oil modified phenol aldehyde resin, by adding some SiO2 nanometer particles which have been scattered, compound modified heat-curable NTPF was made.

在桐油改性酚醛树脂的聚合过程中，添加经过分散的SiO2纳米粒子，制备成复合改性的热固性NTPF，经过SETARAMTG-DSC92-16热分析仪测试NTPF的耐热性有明显的提高。

The effect of impurities in DMDAAC monomer solution, such as NaCl, allyl chloride, allyl alcohol, allyl aldehyde, active carbon, low molecular polymer of DMDAAC, yellow residua, Fe~(3+), Fe~(2+), Cu~(2+), on the polymerization reactivity of preparing PDA with 30％cationicty was researched in this paper.

本文研究了二甲基二烯丙基氯化铵单体溶液中氯化钠、烯丙基氯、烯丙醇、烯丙醛、活性炭、低分子聚合物、黄色物质、Fe~(3+)、Fe~(2+)、Cu~(2+)等杂质对合成阳离子度为30％PDA的聚合反应性能的影响。

Three initiators, ammonium persulfate / DMA, ammonium persulfate / urea / ammonia liquor, ammonium persulfate / triethanol amine were applied to the polymerization at 50癈, 55 癈 and 60癈, and the influence of ratio oxidant / reductant on reaction rate and molecular weight of polymer were studied.

本文研究了过硫酸铵／DMA、过硫酸铵／氨水／尿素、过硫酸铵／三乙醇胺三种引发体系在50、55、60℃下，不同氧化剂、还原剂配比条件对反应速率、分子量的影响。

Taxol to be from the yew bark extract anticancer drug induce and promote tubulin polymerization and depolymerization and prevent stable microtubules, inhibit cell proliferation and mitosis.

紫杉醇本品是从红豆杉树皮中提取的抗癌药，通过诱导和促进微管蛋白聚合，防止解聚和稳定微管，抑制了细胞有丝分裂和增殖。

Key words:big space; composite box; net beam ceiling; rib beam; board uniting with beam; polymerization cement slurry

关键词］大空间；叠合箱；网梁楼盖；肋梁；梁板合一；聚合水泥浆

A novel label adhesive with good performance for labeling beer bottle was prepared by using acrylic acid,styrene, butyl acrylate as functional monomers grafted to polyvinyl alcohol by emulsion polymerization,neutralizing carboxyl with NaOH and ZnO.

通过乳液聚合把丙烯酸、苯乙烯、丙烯酸丁酯单体接枝到聚乙烯醇上，用ZnO和NaOH中和增稠，制备了一种综合性能优良的新型啤酒贴标粘合剂。

Several kinds of electrical capacity coupling plasma-discharge apparatuses for induced-polymerization process had been designed to study the influence of structure parameters of the equipment on discharge performance.

自制了用于引发聚合过程的电容耦合等离子体放电装置，通过对放电装置结构的研究发现，比较理想的结构参数为：反应室直径为70mm，反应室长度为31cm，两块电极的位置应尽可以靠近。

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！