TY JOUR TI THE INFLUENCE OF NI/FE RATIO ON THE PROPERTIES OF CATALYSTS SYNTHESIZED BY THE SOL-GEL METHOD KW SOL-GEL METHOD KW NICKEL-IRON CATALYSTS KW COMPOSITION KW STRUCTURE KW γ-AL2O3 JO Herald of Technological University AU Zavarueva, V.A. AU Buzaev, A.A. AU Zaharkiva, A.M. AU Staricyna, D.N. AU Gandybina, S.V. AU Borilo, L.P. PY 2026 IS 29 PB Kazan National Research Technological University