Effect of the Conditions of Synthesis and Modification with Graphene Oxide on the Properties of Activated Sunflower-Biomass-Derived Biochar. - Burakov, A. E.; Burakova, I. V.; Kuznetsova, T. S.; Badin, D. A.; Timirgaliev, A. N.; Yarkin, V. O.; Dyachkova, T. P. (Inorganic Materials, 2025)