ISO 9276-5:2005的主要目标是为遵循对数正态概率分布的累积粒度分布的表示提供背景，作为一种可以明确检查使用粒度分布函数进行计算的方法。介绍了对数正态概率图版的设计，以及矩、中值直径、平均直径和体积比表面积的计算。对数正态概率分布通常适用于表示任何维度的累积粒度分布。 它们的特殊优势在于，累积分布（如数量、长度、面积、体积或质量分布）由平行线表示，所有平行线的位置都可以根据对任何一条线的位置的了解来确定。

The main objective of ISO 9276-5:2005 is to provide the background for the representation of a cumulative particle size distribution which follows a logarithmic normal probability distribution, as a means by which calculations performed using particle size distribution functions may be unequivocally checked. The design of logarithmic normal probability graph paper is explained, as well as the calculation of moments, median diameters, average diameters, and volume-specific surface area. Logarithmic normal probability distributions are often suitable for the representation of cumulative particle size distributions of any dimensionality. Their particular advantage lies in the fact that cumulative distributions, such as number-, length-, area-, volume- or mass-distributions, are represented by parallel lines, all of whose locations may be determined from a knowledge of the location of any one.