List of articles (by subject) Renewable Energies Modeling Open Access Article Abstract Page Full-Text 1 - Harmonic modelling of controlled converters using averaged differential equation method atila eskandarnezhad Nowruz Abdollahi Open Access Article Abstract Page Full-Text 2 - 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 Open Access Article Abstract Page Full-Text 3 - Leakage inspection of the stepped solar still using the magnetic particle testing method hamidreza goshayeshi kimya samadi Reza Saleh Vahid Nejati