With the increasing of the concentration, the particle diameter decreased.

并且随前驱体中反应物浓度增大，晶粒粒径减小。

The particle mass concentration rises with the increase of particle diameter.

飞灰质量浓度随着颗粒粒径的增大而增加。

The pneumatic conveying experiments for sand with average particle diameter 0.

在水平T型分支管道中，用压缩空气对平均粒径分别为0。

With the increasing of particle diameter, pyrolysis time and char yield also increased.

随着颗粒直径的增加，热解时间逐渐增大，炭产量增加；

The result gave the optimal filter particle diameter, layer thickness and filtration velocity.

根据实验结果，确定了最佳的过滤介质粒径、过滤层厚度和过滤速度。