TY JOUR TI THE STUDY BY GAS-LIQUID CHROMATOGRAPHY OF THE TOTAL CONTENT OF ALKANES, ARENES AND ISOPRENOID ALKANES IN PETROLEUM PRODUCTS BEFORE AND AFTER THEIR BURNOUT IN FIRES KW gas-liquid chromatography KW internal normalization method KW petroleum products KW temperature exposure JO Problems of risk management in the technosphere AU Yatsenko, L.A. PY 2024 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia