多分散性

用纳米粒度仪测量粒度分布、多分散性和Zeta电位；

Its size distribution , polydispersity and Zeta potential were determined by nanoparticle size analyzer ;

为了在相对短的时间内得到高密度引发下的低多分散性指数（Polydispersityindex，PDI）聚合物刷，可调节聚合反应几率和活化/去活化过程发生的比率。

By modifying the polymerization rate and tuning activation / deactivation process , we can obtain the polymer brushes with low polydispersity index ( PDI ) in relatively short time .

多分散性两嵌段共聚物在选择性溶剂中自组装行为的MonteCarlo模拟

Monte Carlo Simulation of the Self-assembly Behavior of Polydisperse Diblock Copolymer in Selective Solvent

异相Ziegler-Natta催化剂的活性中心多分散性（Ⅱ）&4种活性中心的聚合动力学参数

Plurality of Active Centers on Heterogeneous Ziegler-Natta Catalysts ( ⅱ ) & Kinetic Parameters of Four Kinds of Active Centers

此外，GIF仿酶处理后，竹子木素分子量下降，多分散性提高。

The benzyl ring was opened ; the molecular weight of bamboo lignin was decreased and the polydispersity was increased after GIF biomimetic treatment .

利用多重MonteCarlo算法对13种典型工况进行数值模拟，考察不同类型的凝并核和冷凝/蒸发核对多分散性颗粒尺度分布时间演变的影响。

Multi-Monte Carlo method was used in the numerical simulation of 13 kinds of typical computational cases in order to investigate the influence of different coagulation kernel and condensation / evaporation kernel on the time evolution of particle size distribution ( PSD ) .

凝胶色谱分析表明，经过APMP法制浆后，竹材木素大分子结构被碎解，磨木木素分子量减小，多分散性增加；

By measuring the molecular weight distribution , it was found that after APMP pulping the macromolecule structure of bamboo lignin was broken down , and the average molecular weight of lignin decreased , also the polydispersity of it increased .

X-射线衍射结果显示纳米粒子晶形单一；激光散射测定结果显示纳米四氧化三铁粒子在苯乙烯中的团聚体粒径为165nm，多分散性为0.005，表明为单分散体系；

X-ray diffraction measurements indicate the nanoparticles were pure Fe_3O_4 . The results of laser scattering measurements shows that the nanoparticles are highly monodisperse and the average size is 165nm ( polydispersity 0.005 ) .

阴离子嵌段共聚的交联聚苯乙烯的网络链长多分散性与网络结构非均一性

Polydispersity of Network Chain Length and the Heterogeneity of the Anionic Block Copolymerized Styrene-Divinylbenzene Networks

秸秆分离木素经过漆酶处理后其聚合度和多分散性都降低。

The degree of polymerization and dispersion of separated straw lignin were reduced after laccase treatment .

使用多分散性粉尘，在实验室内测试了天然气用纤维过滤器的非稳态性能，以及各种操作参数对其性能的影响规律。

The dynamic performance during fibrous filter clogging and the effect of various parameters on filtration performance were investigated using polydisperse ashes .

基于矩方法将燃煤生成的典型多分散性颗粒系统分为粗颗粒和细颗粒两个模态，构造了较完整的颗粒物迁移过程的计算模型。

Based on the concept of the moment method , the poly-dispersed particulate matter ( PM ) generated during pulverized coal combustion was partitioned into fine-mode and coarse-mode .

胶乳加到高岭土悬浮液中能瓦解片状高岭土的聚集，提高了涂料的多分散性，同时增加了涂料的稳定性。

Addition of latex to a clay suspension can disrupt the platelet platelet association , also raises the polydispersity of a coating , at the meantime increases coating pigment stability .

分子量的多分散性意味着高、低分子量组分之间存在明显的相互作用，决定了聚丙烯材料最终的结晶形态。

The dispersion of molecular weight shows that the obvious mutual effect exists between the high and low molecular weight , it will determine the final crystalline morphology of PP materials .

由于平均场理论在反应体系中无法引入空间效应，超支化大分子的分子量、多分散性以及分子构象很难进行定量研究和预测。

The molecular weight , polydispersity and the molecular conformation of hyperbranched polymer are difficult to quantitatively analyze and predict by mean-field theory due to its inability in introducing the space effect .

由于高聚物分子量的多分散性，高分子量组分与低分子量组分之间存在的相互作用也是影响聚合物结晶行为的一个主要因素。

Because of the polydispersity of molecular weight , the interaction between high molecular weight components and low molecular weight of components is one of the main factors in affecting crystallization behavior of polymer .

它是一种感觉公害，具有局部性，多发性及分散性与瞬时性的特点。

And Noise pollution is localized , and the decentralized nature of multiple and instantaneous nature .

结果表明，低聚丙烯酸钠表面改性纳米氧化锌水分散性体系的稳定性比其它分散剂分散效果好的多，其水分散性体系的形貌为单包敷结构的珠链状纳米粒子；

The result show that the system 's stability of nanometer zinc oxide modified by Sodium low polyacrylate is better than other dispersing agents ' , and the appearance of dispersing water system is the single pack bead shape nanoparticles ;