List of Articles Open Access Article Abstract Page Full-Text 1 - Analysis and modeling of parallel FACTS devices with the aim of improving voltage stability under possible fault conditions Hani shahnazari Hadi Shahnazarisani Open Access Article Abstract Page Full-Text 2 - Internet data transmission through distribution lines (IPL) Bahareh Ranjbar Rahman Dashti Open Access Article Abstract Page Full-Text 3 - Protection of centrifugal compressors by using fuzzy control of anti-surge valve and compressor speed (speed) in combination hossein karimzadeh Ali Rafiee Alireza Malahzadeh Open Access Article Abstract Page Full-Text 4 - Examining the implementation of the minimum access right in Windows office systems Mohsen Gholami Maryam Kaveh Open Access Article Abstract Page Full-Text 5 - Provide steganography using the recursive method in JPEG images seyed ali akbar hashemi Alireza Malahzadeh Hamid Dehghani Open Access Article Abstract Page Full-Text 6 - Analysis and simulation of multi-antenna techniques in WiMAX networks Alireza Malahzadeh seyed ali alavian mohammad abanjo