TY JOUR TI THE METHOD OF CONTROLLING THE FLOW OF MATERIAL AND AIR IN PNEUMOSEPARATION CHANNEL WINNOWING MACHINE KW pneumatic separation channel KW grain KW ultrasound KW microcontroller KW automatic control. JO Vestnik of Kazan State Agrarian University AU Volhonov, M.S. AU Zimin, I.B. AU Maksimov, I.I. AU Yunusov , G.. AU Dzhabbarov, I.A. AU Dermenzhi, A.V. PY 2018 IS 13 PB Kazan state agrarian University