List of Articles لوله Open Access Article Abstract Page Full-Text 1 - Medial-axis Enhancement of Tubular Structures and its Application in the Extraction of Portal Veins amirhossein forouza reza aghaeizade youshi sato masa houri Open Access Article Abstract Page Full-Text 2 - Reinforcement of the central axis of tubular structures and its application in extracting the central axis of the portal vein amirhossein forouza reza aghaeizade یوشی¬نبو ساتو ماساتوشی هوری Open Access Article Abstract Page Full-Text 3 - Aggregate Production Planning Of L.M.I Corporation Using Grey Goal Programming Approach سید محمدعلی خاتمی فیروزآبادی وحید پیری Open Access Article Abstract Page Full-Text 4 - Design and Implementation of Two Pipeline Architectures for Computing High-Order Moments of Grey-Level Images M. Monajati E. Kabir Open Access Article Abstract Page Full-Text 5 - A New High Speed Easily Expandable Digital Multiplication Algorithm without Pipeline ebrahim hosseini Morteza Mousazadeh Open Access Article Abstract Page Full-Text 6 - Determination of In-situ stress in the Marun oilfield’s failure wells میثم فارسی مدان مرتضی احمدی کاوه آهنگری جاسم دشت بزرگی Open Access Article Abstract Page Full-Text 7 - Effect of multi-walled carbon nanotubes to improve hydrocarbon wells annular clearance space Mohammad سلیمانی سعیده رعیت دوست Open Access Article Abstract Page Full-Text 8 - Introduction and technical and economic evaluation of preparation and installation of GRP pipes amene fatehi yaghob zoalfeghary Open Access Article Abstract Page Full-Text 9 - Investigation of corrosion of metals in oil pipes: a case study of Gachsaran Oil Company Omid Fard ali aram Open Access Article Abstract Page Full-Text 10 - - Amirhosein Yazdanbakhsh Open Access Article Abstract Page Full-Text 11 - Modeling the behavior of polymer matrix composite pipes carrying fluid exposed to hydrocarbon fire Alireza Rahimi Ehsan Selahi