Milling is commonly used for particle-size reduction and control of particle-size distribution (PSD) for crystalline solids.
In the dialog, you must specify a shape parameter for the lognormal or Weibull distribution. The normal QQ plot can also be generated with the graphs options dialog. As described later in this chapter ...
Specify shape parameter for the beta or gamma distribution ALPHA= Specify shape parameter for the beta distribution BETA= Specify shape parameter for the Weibull distribution or for distribution ...