%0 Journal Article %T EFFECT OF METAL OXIDE COAL ADDITIVES ON CRACKING OF EXTRA-VISCOUS OIL IN SUBCRITICAL AQUEOUS FLUID %A Zayceva, E.G. %A Antonova, M.Y. %A , .. %A Davletshin, A.R. %A , .. %K EXTRA-VISCOUS OIL, LOW-TEMPERATURE CRACKING, COAL ADDITIVE, ASPHALTENES, SARA ANALYSIS, DEGREE OF TRANSFORMATION, METAL OXIDE CATALYSTS %J Herald of Technological University %D 2025 %N 28 %P 5 %I Kazan National Research Technological University