TY JOUR TI METHOD AND RESULTS OF THE DISTRIBUTION OF PARTICLES OF FIRE EXTINGUISHING POWDERS IN THE FLOW OF AEROSOL KW fire extinguishing agent KW distribution of mass of particles KW of non-stationary gas flow KW a fire extinguisher JO Problems of risk management in the technosphere AU Sytdykov, M.R. AU Kozhevin, D.F. AU Poliakov, A.S. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia