TY JOUR TI MOVING DUST PARTICLES IN A FALLING FLOW OF POLYFRACTION MATERIAL KW aspiration KW aerodynamics KW polydisperse material KW polyfractional material KW ejection of air KW dynamics of particles KW the removing dust ventilation JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Popov, E.N. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov