《GB/T 13221-2026 粉末粒度分布的测定 声波筛分法和X射线小角散射法》标准查询解读、电子版标准下载
GB/T 13221-2026
即将实施
粉末粒度分布的测定 声波筛分法和X射线小角散射法
Determination of powder particle size distribution—Methods of sieve classification with sonic wave and small angle X-ray scattering