List of Articles ایستگاه تقلیل فشار گاز Open Access Article Abstract Page Full-Text 1 - Experimental Study of the Effect of Using Fin on the Fire Tube of Gas Pressure Reduction Station Heater on Thermal Efficiency and and Reducing the Emission of Greenhouse Gas Saeed Rastegar Hadi Kargarsharifabad Nader Rahbar Mohammad Behshad Shafii, 10.22034/jest.2020.51771.5041 Open Access Article Abstract Page Full-Text 2 - Study and conducting appropriate approaches for noise reduction and presenting an equation with plans for predicting noise reduction (case study: tune boundary stations in Semnan province) Ehsan Jamshidi alireza arghavan sadegh tarahomi