TY JOUR TI METHOD OF ASSESSMENT DISPENSERS USED IN ACCIDENTAL CHEMICAL HAZARDS AND FIRES-, EXPLOSIVES KW spray KW water curtain KW efficiency applications KW involving air KW emergency JO Problems of risk management in the technosphere AU Savelyev, D.V. AU Basharichev, A.V. AU Bulva, A.D. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia