TY CONF TI MATHEMATICAL MODELING OF WOOD COMPOSITE MATERIAL IN WOODWORKING INDUSTRY KW waste KW model KW sawdust KW spill KW shaving KW polymer KW sand KW properties JO Ecological and resource-saving technologies in science and technology AU Korotkaya, A.V. AU Dovgal', V.A. AU Storodubtseva, T.N. PY 2022 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov