TY CONF TI BIOENERGY AS A SECTOR OF ENERGY KW bioenergy KW wood KW environmental protection KW efficiency KW biomass JO INDUSTRIAL THERMAL POWER ENGINEERING AU Burmistrova, O.N. AU Chemshikova, Y.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov