TY JOUR TI DEVELOPMENT OF CHEMICAL AND OIL AND GAS ENGINEERING IN CONDITIONS OF IMPORT SUBSTITUTION KW import substitution KW mechanical engineering KW chemistry KW oil production KW oil and gas processing JO Modern Technologies and Scientific and Technological Progress AU Belik, O.D. AU Raskulova, T.V. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»