%0 Journal Article %T COMPARISON OF EFFICIENCY OF NATURAL AND SYNTHETIC IMPREGNATING COMPOSITIONS FOR BIRCH WOOD %A Belchinskaya, L.I. %A Dmitrenkov, A.I. %A Zhuzhukin, K.V. %K древесина, пропитка, гидрофобизация, антисептирование, отходы, растительные масла, моторное масло %J Actual directions of scientific researches of the XXI century: theory and practice %D 2020 %N 8 %P 5 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov