TY JOUR TI Improving workflow shock- centrifugal grinder KW destruction grain KW mass element KW performance KW speed KW grinding KW active experiment. JO Actual directions of scientific researches of the XXI century: theory and practice AU Trufanov, V.. AU Druzhinin, R.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov