List of Articles Open Access Article Abstract Page Full-Text 1 - Biomass Gasification Systems and Different Types of Gasifiers, Effective Parameters on Gasification Process Efficiency: An Overview Mehrdad Kordi Seyyed Masoud Seyyedi 20.1001.1.26764342.2021.4.2.1.4 Open Access Article Abstract Page Full-Text 2 - General Chemotherapy Protocols Amine Moustafid 20.1001.1.26764342.2021.4.2.2.5 Open Access Article Abstract Page Full-Text 3 - Feasibility Study of Solar Water Heater System and Ambient Heating for the Laboratory Complex of Ahvaz Branch of Islamic Azad University with Valentin T*SOL Software Pouyan Ghanbari 20.1001.1.26764342.2021.4.2.3.6 Open Access Article Abstract Page Full-Text 4 - A Topology of Class-AB OTA with Increased DC-Gain and Slew-Rate Shahrbanoo Ghorbanzadeh Hadi Dehbovid Alireza Ghorbani Mehdi Abedi Pahnekola 20.1001.1.26764342.2021.4.2.4.7 Open Access Article Abstract Page Full-Text 5 - Intelligent and Optimal Control of Air Conditioning Systems by Achieving Comfort and Minimize Energy Yazdan Daneshvar Majid Sabzehparvar Seyed Amir Hossein Hashemi 20.1001.1.26764342.2021.4.2.5.8 Open Access Article Abstract Page Full-Text 6 - Improvement of Power System Stability with Salp Swarm Algorithm and Fuzzy Type II Payam Rokni Nakhi Salman Amirkhan Javad Safaei Kuchaksaraei Fatemeh Hamedani 20.1001.1.26764342.2021.4.2.6.9 Open Access Article Abstract Page Full-Text 7 - Heartbeat ECG Tracking Systems Using Observer Based Nonlinear Controller Mina Ali Akbar Semnani Ahmadreza Vali Seyed Mahdi Hakimi vahid behnamgol 20.1001.1.26764342.2021.4.2.7.0 Open Access Article Abstract Page Full-Text 8 - Optimization of Energy for Tracking of the Magnetic Levitation Ball Using the SDRE Technique Seyyed Mostafa Ghadami 20.1001.1.26764342.2021.4.2.8.1 Open Access Article Abstract Page Full-Text 9 - A Comparison of Several Nonparametric Fuzzy Regressions with Trapezoidal Data T. Razzaghnia S. Danesh A. Maleki 20.1001.1.26764342.2021.4.2.9.2 Open Access Article Abstract Page Full-Text 10 - Reduce Energy Consumption by Optimizing Temperature and Enforcing Smart Rules in Residential Buildings Yazdan Daneshvar Majid Sabzehparvar Seyed Amir Hossein Hashemi 20.1001.1.26764342.2021.4.2.10.3 Open Access Article Abstract Page Full-Text 11 - Improvement of Power Quality in Four-Wire Distribution Systems Salman Amirkhan Hassan Pourvali Souraki masoud radmehr 20.1001.1.26764342.2021.4.2.11.4 Open Access Article Abstract Page Full-Text 12 - Finite Time Back-Stepping Algorithm to Control Permanent Magnet Synchronous Motor Speed Nazanin Seyed Gogani vahid behnamgol Seyed Mahdi Hakimi Ghasem Derakhshan 20.1001.1.26764342.2021.4.2.12.5