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。

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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。

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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。

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