TY JOUR TI GRANULOMETRIC CHARACTERISTICS OF FIRE EXTINGUISHING POWDERS KW dry chemical KW granulometric composition KW the fire extinguisher JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) 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