TY JOUR TI ESTIMATION OF THE THERMODYNAMIC EQUILIBRIUM OF NON-IDEAL SOLUTIONS FROM SURFACE TENSION DATA KW activity coefficients KW Margulis model KW surface tension JO Modern Technologies and Scientific and Technological Progress AU Semenov, I.A. AU Shefer, P.P. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»