TY JOUR TI RESEARCH OF TECHNOLOGICAL PARAMETERS OF THE GRATED INSTALLATION KW sorting sieve KW common pine seeds KW rotational speed of the working body JO Actual directions of scientific researches of the XXI century: theory and practice AU Malyukov, S.V. AU Knyazev, A.V. AU Aksenov, A.A. PY 2020 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov