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。
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；
It has known by analysis of pressure drop fluctuation that quality of fluidization can be improved with wider size distribution particle.
对流化床压降脉动的分析可知，采用具有较宽粒度分布的大颗粒物料，有利于改善流化床的流化质量。
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；
The size distribution and the velocity distribution in the separators and analyzed in order to decrease the pressure drop and increase the separation efficiency.
分离器内部的各种设计 （如上导流锥高度的确定 ，下导流锥的倾角 ，排气管高度等 ）均为提高气固分离器的效率和降低阻力。
The size distribution and the velocity distribution in the separators and analyzed in order to decrease the pressure drop and increase the separation efficiency.
分离器内部的各种设计 （如上导流锥高度的确定 ，下导流锥的倾角 ，排气管高度等 ）均为提高气固分离器的效率和降低阻力。
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