查询词典 polymer

The applied force is greater than the cohesion between the polymer molecules, so you can make the polymer molecular separation and dissolved in a solvent.

此作用力大于高聚物分子间的内聚力，故可以使高聚物分子彼此分离而溶解于溶剂中。

At first, the luminescence properties of conjugated polymer thin films and molecularly doped polymer films are experimentally studied.

对聚合物薄膜的基本光学特性的研究是利用其设计薄膜器件的基础。

The property of the monomolecular catalyst and the polymer effect can becombined via binding the monomolecular catalyst in the polymer.

以苯乙烯为底物，反应条件下环氧化ee值可达60％，这是迄今为止非酶催化剂得到的最好结果。

In this paper, the relations between the transparence of polymer film and polymer structure, phase, and movability of photon have been studied by using stable and unstable scattering rates under different boundary conditions.

利用在给定一系列边界条件下的稳定，非稳定散射研究聚合物薄膜透光性与物质的结构、相态、光子运动等物理性能的关系，为工农业和先进技术合理选用聚合物质薄膜，提供了重要的理论和应用价值。

N High polymer resin coded disk, high polymer resin optics primary device

n 高分子树脂码盘、高分子树脂光学元器件

The results show that the texture of monomer and polymer are the type of nematic liquid crystalline, and the polymer has good liquid crystal performance in a wide temperature range.

结果表明，单体和聚合物均呈现向列型液晶织态结构，聚合物在较宽的温度范围内有很好的液晶性。

It is found that with the increase of solvent/polymer interaction parameterx_(23 or nonsolvent/polymer interaction parameterx_(13 the miscibility gap decreaseses.The effect of nonsolvent/solvent interaction parameterx_(12 on the binodal curve is relatively complicated.

2通过考察相互作用参数对三元体系相图的影响，发现随着溶剂/聚合物之间相互作用参数x_(23)或者非溶剂/聚合物之间相互作用参数x_(13)的增加，均相区减小。

While, for a higher polymer concentration, due to its high viscosity, the infiltration rate of nonsolvent is reduced and the phase separation occurs by the mechanism of nucleation-and-growth of polymer-poor phase.

然而高浓度之高分子溶液，因黏度高，故而减缓非溶剂渗入之速率，导致相分离机制系以高分子贫相成核成长之方式进行。

Using the method of tosylation, tosylate terminated epichlorohydrin polymer as intermediate was synthesized by PECH and 4-toluenesulfonylzchloride in pyridine,azido terminated glycidyl azide polymer was obtained by the reaction of intermediate and sodium azide.

采用磺酸酯法，首先PECH与对甲苯磺酰氯在吡啶介质中反应形成端磺酸酯基氯化聚醚中间体，然后中间体经叠氮化作用形成端基为叠氮基的叠氮缩水甘油醚聚合物。

This invention carrying through alcoholysis of common gloss polyester chip, getting low-molecular polymer of polytetramethylene terephthalate, using this low-molecular polymer as pregnant liquor, doing esterification reaction and polycondensation reaction of PTA and hybrid diatomic alcohol in normal pressure, getting the modified copolyester product which has inherent viscosity of 0. 65-0. 85dl/g, fine pellucidity and is suitable in the application of engineering plastics.

本发明是通过对普通大有光聚酯切片进行醇解，得到对苯二甲酸乙二酯低聚物，以此低聚物为母液，在常压下使PTA与混合二元醇进行酯化反应和缩聚反应，制备得到了特性粘数在0.65-0.85dl/g且具有良好透明性的适用于工程塑料领域应用的改性共聚酯产品。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。