List of Articles انرژی ویژه Open Access Article Abstract Page Full-Text 1 - Introducing a Model for Road headers' Performance Prediction Based on the Specific Energy and the Angle between Tunnel Axis and the Planes of Weakness Arash Ebrahimabadi Open Access Article Abstract Page Full-Text 2 - Investigation of energy absorption in shock absorbers of grooved circular using response surface شیما شهروی محمد جواد رضوانی علی جهان Open Access Article Abstract Page Full-Text 3 - Numerical simulation of energy absorbing bumpers two cylindrical tube filled with polyurethane foam mohammadreza RezaeiAbadeh Mohammad Javad Rezvani Open Access Article Abstract Page Full-Text 4 - Numerical investigation of energy absorption semi apical angel in conical grooved tubes under dynamic axial load and comparing quasi-static and dynamic loading Nima Asadi Dehmirahmadi Mohammad Javad Rezvani Open Access Article Abstract Page Full-Text 5 - بررسی اثر آغازگر کمانشی در جذب انرژی لولههای جدار نازک استوانهای با استفاده از شبیهسازی عددی فائزه عبدالهی محمد جواد رضوانی Open Access Article Abstract Page Full-Text 6 - Comparison of energy input, output and global warming potential of rapeseed and rainfed barely in Golestan province (Aqqala) M.T Feyzbakhsh عفت Parvar Open Access Article Abstract Page Full-Text 7 - The Comparative Study of ADI Machinability with 42CrMo4 Steel in Turning Process M. SH H. عباسی ایروانلو H. عیوضی باقری A. جعفری