By the mass-weighted average, the distribution function of volume, area and diameter for graphite particle were obtained.
通过质量加权平均，给出了石墨粉尘的体积、面积和直径分布函数。
Particle size distribution and average diameter are tested by small-angle X-ray scattering.
采用X光小角散射法测试其颗粒分布和平均粒度。
When the average diameter was different, the effective heat transfer coefficient decreased with increasing particle diameter.
当颗粒的粒径增大，有效传热系数降低；
X ray pattern of Cl element in the HBP/PP/PVC and PP/PVC blends were detected and vantage software was applied to calculate the average diameter and to make statistics of particle distribution.
通过X射线能谱微区分析得到了共混物中氯元素面分布图，对氯元素面分布进行了粒径分布统计和平均粒径计算。
Finally, the particle diameter distribution range of liquor of different varieties was obtained by average diameter analysis software.
最后通过平均粒径解析软件对白酒胶体颗粒进行了粒径统计，得到不同品种白酒的胶体粒径分布范围。
By experiment, the curves and equations of relationship between the heat transfer coefficient and parameters of average diameter, particle size distribution and particle speed are obtained.
用试验方法研究了固体粒子绕流园管的换热系数，得出了换热系数与固体粒子的平均直径、粒度分布、颗粒运动速度等参数的关系曲线和关系式。
By experiment, the curves and equations of relationship between the heat transfer coefficient and parameters of average diameter, particle size distribution and particle speed are obtained.
用试验方法研究了固体粒子绕流园管的换热系数，得出了换热系数与固体粒子的平均直径、粒度分布、颗粒运动速度等参数的关系曲线和关系式。
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