TY JOUR TI IMPROVEMENT OF PLANT RAW MATERIAL DEHYDRATION TECHNOLOGIES KW energy management KW food raw materials KW energy efficiency KW drying KW evaporation KW electromagnetic field KW dehydration KW vacuum evaporation unit JO Bulletin of KSAU AU Gavrilov, A.V. PY 2026 IS 0 PB Krasnoyarsk State Agrarian University