List of Articles Harvester Open Access Article Abstract Page Full-Text 1 - Energy harvesting from diaphragm muscle using piezoelectric specification Sepehr khalafzadeh Farshad Pesaran Nabiollah Shiri Open Access Article Abstract Page Full-Text 2 - An Investigation into Resonant Frequency of Triangular V-Shaped Cantilever Piezoelectric Vibration Energy Harvester R Hosseini M Hamedi Open Access Article Abstract Page Full-Text 3 - The comparison of energy harvester performance of two degrees of freedom model in two different configurations with the base random excitation Amirheshmat Khedmati Bazkiaei Open Access Article Abstract Page Full-Text 4 - Finite element modeling of a pavement piezoelectric energy harvester Ehsan Latifi Pakdehi Ali Akbar Pasha Zanoosi Open Access Article Abstract Page Full-Text 5 - Changes in Soil Properties by Harvester Ant's Activity (Messor spp.) in Roodshoor Steppe Rangeland of Saveh, Iran Mahsa Ghobadi Mohammad Mahdavi DONAT AGOSTI Open Access Article Abstract Page Full-Text 6 - Effects of Harvester Ants’ Nest Activity (Messor spp.) on Structure and Function of Plant Community in a Steppe Rangeland (Case Study: Roodshoor, Saveh, Iran) Mahsa Ghobadi Donat Agosti Mohammad Mahdavi Mohammad Hassan Jouri Open Access Article Abstract Page Full-Text 7 - Choosing the best method of estimating reliability parameter for grain harvesting machines in Markazi province, Iran Mohammad Reza Vafaee hamid Mashhadi Meighani mortaza Almasi saeed Minaee