TY JOUR TI The equations of motion particles in the bed KW screen KW separation KW segregation KW immersion KW strength KW coefficient of friction. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kutishchev, D.. AU Bykov, V.. AU Sviridov, V.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov