| 1. | Editorial | |
| Pages 1-1 | ||
| 2. | Methods of Union Jack and XY-Grid in Surface Plate Measurements | |
| Pages 2-14 | ||
| Ahmed Mohamed ElMelegy | ||
| 3. | Effect of Back Pressure and Divergence Angle on Location of Normal Shock Wave | |
| Pages 15-31 | ||
| Fatma A-M Kassem; R. A. Shaalan Mohamed; Riham Hegazy; A. A. Saeed | ||
| 4. | Recent progress in acoustical materials and noise control approach | |
| Pages 32-41 | ||
| Tarek M. El-Basheer; hatem khalaf Mohamed | ||
| 5. | Facile route for synthesis of flame retardant, antibacterial and conductive fabrics | |
| Pages 42-56 | ||
| Asmaa M. Zakria; Nour F. Attia; Sally E. A. Elashery; Mohamed Nour; Nahed A. Abd El-Ghany | ||
| 6. | Error analysis and uncertainty evaluation for the determination of stress intensity factor by caustic | |
| Pages 57-65 | ||
| Riham Hegazy; Magdy I. Mohamed | ||
| 7. | Ultrasonic and Optical Investigation of Mercury Content Influence on Metrological Properties of Reference Alloy Materials | |
| Pages 66-86 | ||
| Mirham A. Y. Barakat; alshaimaa waheed Abdallah | ||