فهرس المقالات mahmood mahdinia المقاله 1 - Investigation efficiency of nano photocatalytic compound of TiO2 and rice husk silica in removal of reactive red 198 dye from synthetic aqueous solutions Abdollrahman Mahmoodi Seyed Mahmood Mehdinia Ayat Rahmani Hamidreza Nassehinia Iranian Journal of Catalysis , العدد 1 , السنة 10 , زمستان 2020