磨料是对粒度要求最严格的行业之一。用于磨料微粉粒度检验的最经典的仪器是显微镜。直到现在,我国仍有许多企业把它作为监控磨料粒度的主要手段。1997年我国磨料磨具标准化委员会按照等同采用国际标准的原则,分别对超硬和普通磨料粒度号的标注、表达和测量仪器都做了全面的修 Abrasive is one of the most demanding industries for particle size. The most classic instrument for abrasive particle size testing is the microscope. Until now, there are still many enterprises in our country regard it as the main measure to monitor the abrasive particle size. In 1997 China’s Abrasives Standardization Committee in accordance with the principle of equal use of international standards, respectively, on the hard and common abrasive particle size of the number of labeling, expression and measurement instruments have done a comprehensive repair