TY JOUR TI EVOLUTION OF VERTICAL MILLS OF DYNAMIC SELF-REFINING KW mill KW self-grinding KW body KW rotor KW drum column material KW kinematic mismatch KW in-trim groups KW circulating power KW interaction intensity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Ostanovskiy, A.A. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov