TY JOUR TI The Improvement of Hazardous Chemicals Transportation Methods by Motor Vehicles KW Emergency hazardous chemicals (AHS) KW transportation of AHS KW equivalent valve diameter KW tank car KW orifice of the inlet relief valve JO Proceedings of Petersburg Transport University AU Asmankin, E.G. AU Shkuratov, S.O. AU Zubkova, E.M. AU Smygalin, V.V. AU Hleborodov, A.N. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"