فهرس المقالات Fe3O4-chitosan Nanocomposite حرية الوصول المقاله صفحة الملخص نص كامل 1 - Experimental Investigation of Fe3O4-Chitosan Nanocomposite as a Nano-Demulsifier for Water in Crude Oil Separation Zahra Hasanshahi Payam Parvasi Mohamad Mahdi Zerafat Samad Sabbaghi 10.22034/jna.2020.1903517.1218