TY JOUR TI Changes in the physicochemical and dispersion properties of petroleum products over time during magnetic treatment KW petroleum dispersed systems KW magnetic treatment KW relaxation time KW dispersion JO Oil and gas technologies and environmental safety AU Pivovarova, N.. AU Galimzyanova, D.. AU Salnikova, T.. AU Kabdulova, A.. AU Lazyan, N.. AU Tatzhikov, A.. PY 2025 IS 2025 PB Astrakhan State Technical University