分散相粒径和粒度分布 particle size and distribution
其数浓度粒径分布 number size distribution
粒径和密度分布 Size And Density Distribution
PCC较高的白度、适宜的微观粒径、相对较窄的粒度分布特性，对提高纸张质量有积极的意义。
High whiteness, appropriate particle size and narrow particle size distribution of the PCC will contribute to improve the quality of paper in a positive way.
实验结果表明，宽粒度分布物料的不同粒径粒子的运动路径不同，而造成了各自的平均循环停留时间不同。
The results show that the different motion tracks of different size particles of broad size materials lead to the different average circulation-time.
论文考察了反应物浓度、水热温度、水热处理时间等因素对产物粒度分布、粒径尺寸、形貌等的影响。
We found that the granularity, size and shape of the products were affected by the concentration of the reactants, the temperature and the time of the hydrothermal reaction.
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