drop size distribution 水滴大小分布 ; 粒径分布
cloud-drop size distribution 云滴粒径分布
drop-size distribution parameter 滴谱参数
fog drop size distribution 雾滴尺寸分布
fluid drop size distribution 流滴尺寸分布
The results showed that mass mean diameter (MMD), and drop size distribution parameter N changed with pressure drop, air velocity, and fuel viscosity.
结果表明，液雾的质量中间直径（MMD）和尺寸分布参数N将随着喷嘴压力降、空气流速、燃油性质而变化；
A distribution density function used to express the drop size distribution is obtained by means of mathematical statistics.
用数理统计的方法得到了描绘粒度分布的分布密度函数。
With the drop of concentration, the sphericity goes bad, particle size decreases and particle distribution becomes narrow.
结果表明：随母液固含量的降低，样品的粒径变小，粒径分布也更为均匀，但其球形度变差；
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