فهرس المقالات وحید نجاتی المقاله 1 - Experimental Investigation of the Magnetic Field Effect Using Fe3O4 Ferrofluid and the Study of the Ultrasonic Phenomenon in Solar Water Desalination Efficiency hamidreza goshayeshi kimya samadi Vahid Nejati Reza Saleh Issa Chaer Renewable Energy and Smart Systems , العدد 1 , السنة 1 , زمستان 2024 المقاله 2 - Leakage inspection of the stepped solar still using the magnetic particle testing method hamidreza goshayeshi kimya samadi Reza Saleh Vahid Nejati Renewable Energy and Smart Systems , العدد 2 , السنة 2 , پاییز-زمستان 2024