TY JOUR TI MODULAR PLANT FOR THE PRODUCTION OF MEDICINAL MIXED FEEDSAND PREMIXES IN FARMS KW modular installation KW ball mixer KW spherical screen KW fractional composition of grinding KW convective and diffusion mixing JO Vestnik of Kazan State Agrarian University AU Syrovatka, V.I. AU Didmanidze, O.N. AU Parlyuk, E.P. AU Obuhov, A.D. AU Zhdanova, N.V. PY 2021 IS 16 PB Kazan state agrarian University