TY JOUR TI THEORETICAL BACKGROUND OF INCREASING THE SEPARATING SYSTEM OF A ROOT HARVESTING MACHINE WITH THERMAL ENERGY OF THE EXHAUST GAS SYSTEM KW theoretical research KW root crops KW sugar beet KW exhaust gases KW separation system JO Vestnik of Kazan State Agrarian University AU Dorohov, A.S. AU Aksenov, A.G. AU Sibirev, A.V. AU Mosyakov, M.A. AU Sazonov, N.V. PY 2021 IS 16 PB Kazan state agrarian University