TY JOUR TI Temperature-entropy diagrams for calculating cycles of refrigerating machines using refrigerant mixtures KW refrigeration machine KW mixed refrigerants KW cycle KW diagrams KW comparison of results JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Bukin, V.. AU Ezhov, A.. AU Andreev, A.. PY 2020 IS PB Astrakhan State Technical University