addition polymer

The relationship between Guan distribution and Poisson distribution of molecular weight of polymers has been given by moment analysis , which is the first step for inferring the polymerization mechanism from molecular weight distribution of addition polymer .

本文通过矩数分析给出了Poisson分布与三参数指数型分布的关系.这是由加聚物买验分布推断反应机理的初步尝试。

Addition of polymer can improve the stability , rheologic property and fluid loss characteristics of the foam .

聚合物的加入增强了泡沫流体的稳定性、流变性和失水性。

In the great majority of cases , addition of polymer ( HPAM ) will cause an insignificant rise in the IFT .

聚合物HPAM大多数情况下都使界面张力略有升高。

The results indicate that in addition to polymer surface structure and proper additives , temperature variation is another key factor for heterogeneous nucleation and growth of calcium carbonate crystals .

研究结果表明，除高分子薄膜的表面结构、晶体培养液选用的添加剂等影响因素之外，适当温度的波动也是导致碳酸钙晶体异相成核的关键因素。

The structure was improved because of addition of polymer to cement mortars . The development of little crackle was effective prevented , and the holes and chink were packed and closed .

改善了砂浆结构，有效的阻止了微裂纹的发展，填充和封闭了孔洞和缝隙，改善了砂浆的性能。

The removal efficiency of the particles , which sizes are equal to pathogenic protozoan , is increased with enhanced coagulation and addition of polymer filtration aid to improve hygienic safety of filtered water .

强化混凝、投加助滤剂能显著提高与病原原生动物尺寸相当的颗粒的去除率，从而提高滤后水的卫生安全性；

In addition , polymer microporous filter media can be easily carried out planing , sawing , turning , welding and other re-processing , and the installation and maintenance is more easy and convenient .

另外，高分子微孔过滤介质可以很容易进行刨、锯、车、焊等再加工，安装与维修较轻松方便。

On the other hand , as a result of the addition of polymer , the system has a high viscidity , and it can get an advantageous mobility ratio , consequently it enhance producible oil index largely .

同时，由于聚合物的加入，这种体系又具有较高的粘度，可获得有利的流度比，从而大幅度地提高原油采收率。

The results show that by addition of polymer the workability of concrete is improved and the flexural strength and the compressive strength of porous concrete are increased obviously . But , for the permeability coefficient there is very little influence .

结果表明，聚合物的加入，可有效改善透水性混凝土的新拌性能，显著提高透水性混凝土的抗折强度和抗压强度，但对透水系数的影响较小。

In the microscopic aspect , continuous polymeric membrane is formed in the concrete after the addition of polymer , and the pores are refined , and dense spatial wire mesh-like skeleton structure is formed , so the macroscopic properties of the self-compacting concrete are improved .

微观结构表明，聚合物加入后形成连续的聚合膜，细化了孔隙，形成密实空间丝网状骨架结构，从而改善了自密实混凝土的宏观性能。

The addition of the polymer to the self-compacting concrete improves the flexibility , interfacial bond property , and durability of the self-compacting concrete .

聚合物掺入可以改善了自密实混凝土的柔韧性，增加了界面粘结性能，提高了耐久性。

The addition of appropriate polymer that was miscible with the PMMA shell of the MBS impact modifier but which could also reacted with the nylon & 6 matrix could offered solution .

而加入可以与MBS外壳相容也可以与尼龙6基体发生化学反应的适当聚合物可以解决这个问题。

Surface grafting with strong chemical bond between polymer chains and inorganic particles can effectively solve this problem ; in addition , the polymer chains with appropriate thickness grafted in the nano-particles can serve as interfacial buffer layer .

表面聚合物接枝通过使高分子链与无机粒子之间产生强的化学键结合，能有效地解决这一问题，同时接枝上的适当厚度的高分子链还能够充当界面缓冲层的作用。

The magnetic powder for dry-pressed anisotropic permanent magnetic strontium ferrite was treated by premagnetization , mechanical dispersion together with the addition of melted polymer , and the effect of ferrite particle state on the properties of magnet was studied .

采用预磁化、机械分散和熔融聚合物黏合剂处理铁氧体磁粉，研究了粉体颗粒状态对干压各向异性锶铁氧体磁性能的影响。

In addition , the magnetic polymer microspheres can also be carried out on the surface fluorescent microspheres .

另外，还可将磁性高分子微球进行表面荧光化，实现磁性分离技术与荧光标记联用，在分离同时具有荧光示踪标记功能。