polydispersity

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).

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；

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measurement of molecular weight and polydispersity of polymers by gpc

GPC测定聚合物分子量及分子量分布

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The generated polymers exhibit good solubility in water, controlled molecular weights and narrow polydispersity.

这类高分子具有良好的水溶性, 展现出分子量高度可控性和窄的分子量分布.

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Determination of sample polydispersity through the study of peak broadening effect in thermal fff

用逆流法研究热场流分级中峰加宽效应和测定分子量分布

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thus, the polymers were of low polydispersity and the degree of polymerization could be precisely adjusted.

因此，聚合物低多分散和聚合度可精确调整。

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this drawing of a gpc chart is to represent polydispersity of unreacted polyether and siloxane

上面的GPC图显示的是未反应的聚醚和硅氧烷的分散性

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the influence of phase elasticity on polydispersity of multiple emulsions;

介质弹性对多重乳液分散度的影响

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living copolymerization is the ideal way to synthesis the copolymer with low polydispersity, and to control the copolymer molecules weight.

活性聚合可以得到分子量分布极窄的聚合物，是控制聚合物分子量最理想的方法。

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the effect of heating time and desalting process on the diameters of nano-alumina and their polydispersity

加热与脱盐对纳米氧化铝粒度及分布的影响

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a little about average molecular weight and polydispersity of polymer in teaching

有关聚合物平均分子量和分子量多分散性的教学点滴

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the particle diameter and its polydispersity were determined with laser dynamic light-scattering method.

采用激光动态光散射法检测粒度与粒度分布。

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a low molecular weight brominated polystyrene is prepared based on low molecular weight and small polydispersity polystyrene.

以低相对分子质量、相对分子质量分布窄的聚苯乙烯为原料，合成低相对分子质量溴化聚苯乙烯；

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