TY JOUR TI IMPROVEMENT OF METHODS OF LIQUIDATION OF CONSEQUENCES OF ACCIDENTS WITH DEPRESSURIZATION OF AMMONIA TANKS DURING THEIR TRANSPORTATION BY MOTOR TRANSPORT KW emergency chemical hazardous substance KW accident localization KW water cut-off curtain KW thermal curtain KW unmanned aerial vehicle JO Problems of risk management in the technosphere AU Savchuk, O.N. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia