List of Articles Non-destructive tests Open Access Article Abstract Page Full-Text 1 - Evaluation of the Application of Non-Destructive Tests in Investigating the Defects of Gas Turbine Blades and Using Thermography Method as an Alternative Method R Hedayatnejad S Farhadi Open Access Article Abstract Page Full-Text 2 - Improvement of Industrial Radiography for Defect Detection of Oil and Gas Pipelines in Weld Regions by Image Processing Ali Reza Karimian Monir Torabian Mohammad Reza Yazdchi