本文件定义了与颗粒和颗粒系统特性相关的术语。本文件包括粒度分析结果的表示、颗粒形状和形态的描述和定量表示、样品制备、比表面积和孔隙率表征以及沉降、分类、声学方法、激光衍射、动态光散射、，单粒子光相互作用方法、微分电迁移率分析、图像分析和其他尺寸范围从纳米到毫米的方法。

This document defines terms that are relevant to the characterization of particles and particulate systems. This document includes such fields as the representation of results of particle size analysis, the descriptive and quantitative representation of particle shape and morphology, sample preparation, specific surface area and porosity characterization and such measurement methods as sedimentation, classification, acoustic methods, laser diffraction, dynamic light scattering, single particle light interaction methods, differential electrical mobility analysis, image analysis and others in a size scale from nanometre to millimetre.