TY JOUR TI MODELING OF THE STATE OF VAPOR-LIQUID EQUILIBRIUM OF HYDROCARBON MIXTURES BASED ON THE TWO-CONSTANT PENG-ROBINSON EQUATION KW hydrocarbon mixtures KW Peng-Robinson equations of state KW conditions of vapor-liquid cavity JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Kuzmin, A.A. AU Permyakov, A.A. AU Romanov, N.N. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia