TY JOUR TI DETERMINATION OF INFLUENCE OF ELECTROMAGNETIC INDUCTOR FREQUENCY ON ELECTRIC HEATER FOR FAT CLARIFYING KW beekeeping KW bees KW wax KW wax-melter KW wax clarifying KW induction JO Bulletin Samara State Agricultural Academy AU Kirov, Y.A. AU Mashkov, S.V. AU Kudryakov, E.V. AU Syrkin, V.A. PY 2021 IS 6 PB Samara State Agrarian University