List of Articles نیروی پسماندزدا Open Access Article Abstract Page Full-Text 1 - Substitution of Zinc Cation in Nickel Ferrite Synthesized by Sol-Gel Method and Evaluation of its Effect on Microwave Absorption, Structural and Magnetic Properties Shirin Tahmasebi Reza Ebrahimi-Kahrizsangi Ali Ghasemi Ebrahim Ghasemi