%0 Journal Article %T To determine the thickness of the layer of cleaned material on the sieve %A Bykov, V.. %A Kutishchev, D.. %K separation, flat screen, granular medium. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov