TY JOUR TI SOME ASPECTS OF THE SITUATION IN THE ASSESSMENT OF CHEMICAL DISASTER ON THE MOBILITY OF CHEMICALLY DANGEROUS OBJECTS KW ammonia KW chemically dangerous object KW under abnormal condition-chemically dangerous substance KW height of the liquid spilled JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Doroshenko, I.V. AU Zaborsky, B.V. PY 2016 IS 2016 PB Saint-Petersburg University of State Fire Service of Emercom of Russia