TY CONF TI DEVELOPMENT OF A METHOD FOR ASSESSING THE CONDITION OF HYDRAULIC OIL BASED ON ITS THERMOPHYSICAL PROPERTIES KW hydraulic drive KW hydraulic oil KW mechanical impurities KW oxidation KW temperature KW and thermal diagnostics JO MODERN SYSTEMS AND TECHNOLOGIES IN TRANSPORT: PROBLEMS AND PROSPECTS - 2025 AU Vernigora, E.R. AU Ivannikov, V.A. AU Kruhmalev, S.N. AU Matyashov, A.E. AU Seredin, G.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov