TY JOUR TI INCREASING THE EFFICIENCY OF THE MATERIAL CLASSIFICATION PROCESS IN CLASSIFYING BALL MILLS PARTITION KW software environment KW digital model KW particle size KW particle fractions KW undersize product KW graphical dependencies JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Khanin, S.I. AU Zybin, R.V. AU Mordovskaya, O.S. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov