List of articles (by subject) Smart buildings and renewable energies Open Access Article Abstract Page Full-Text 1 - Investigating the Failure Rate and Restoration Time of Medium-Voltage Distribution Network to Use in Reliability Studies(Case Study) Masoud Hossein-zadeh Moghadam Kafash Hossein Afrakhte Open Access Article Abstract Page Full-Text 2 - Design of a Sample & Hold Circuit Using a Two-Stage Class-AB operational transconductance amplifier shahrbanoo ghorbanzadeh Open Access Article Abstract Page Full-Text 3 - Study the function of “cool roof covering” for schools in mostly hot or moderate climates shokouh sadat asadollahi mansoureh tahbaz