%0 Journal Article %T Determination of speed of movement of grain on a vertical surface of a disk and knife tooth in a shock and centrifugal grinder %A Trufanov, V.. %A Druzhinin, R.. %K destruction of grain, particle, the centrifugal force speed grinding. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov