م مقاله کنفرانسی سال ۱۴۰۰ ۸۳۱ مشاهده Fabrication and evaluation of polyacrylic acid/TiO2 nanocomposite hydrogels for removing methylene blue pigment from aqueous solution Polyacrylic acid/guar gum/Titanium dioxide PAA/GG/TiO2 hydrogels were fabricated according to the centra…