List of Articles Open Access Article Abstract Page Full-Text 1 - Estimating the Uncertainty of Wind Power Energy Based on the Probability Density Function Open Access Article Abstract Page Full-Text 2 - Design and analysis of pulse oximetry circuits Open Access Article Abstract Page Full-Text 3 - Design a robot arm to write English word Open Access Article Abstract Page Full-Text 4 - Optimal Determination of Location and Size of Active Harmonic Filters in Electric Energy Distribution Networks Open Access Article Abstract Page Full-Text 5 - Performance improvement of fast warning systems based on IoT (NB-IoT) technology using smart sensors network and the fifth generation GSM network (5G) Ali nazari Seyed Mohammad Ziazadeh