TY JOUR TI Diagnostics of the thermal state of the metal in the furnace chamber KW diagnostics of the thermal state KW temperature measurement KW thermal JO Actual directions of scientific researches of the XXI century: theory and practice AU Gnitiev, P.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov