mean particle size

• 平均粒度

mean particle size的用法和样例：

例句

1. The results indicated that ultrasonic treatment could increase the solubility and decrease the particle size of dyes.
   结果表明，在超声波处理条件下，染料的溶解度增加，平均粒度下降。
2. Index based on coal properties shows that coal properties principally affect the forming of big FA and the average volume size of FA, and less to small FA.
   飞灰粒度特性综合指数表明，煤质主要影响到粗粒度飞灰的形成及飞灰的体积平均粒度，而对细粒度飞灰的形成影响很小。