TY JOUR TI ANALYSIS OF CAUSES AND CIRCUMSTANCES OF ACCIDENTS INVOLVING FLAMMABLE GASES AT HAZARDOUS PRODUCTION FACILITIES OF THE RUSSIAN FEDERATION IN 2014–2024 KW accident statistics KW ignition source KW gas-air mixture explosion KW unified gas supply system KW «fire triangle» JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Osipchuk, V.I. AU Doroshkevich, A.S. AU Ivakhnyuk, S.G. AU Basova, E.A. PY 2025 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia