| 1. | Editorial | |
| Pages 1-1 | ||
| 2. | 01 Development and Performance Evaluation of the NIS-Watt Balance Prototype | |
| Pages 2-9 | ||
| Sayed Emira; E. R. Shaaban; M. M. Rashad; Shaker A. Gelany | ||
| 3. | 02 Assessment of LED Lamp Performance Stability throughout Operational Periods | |
| Pages 10-22 | ||
| E. M. El-Moghazy; F. M. Sharkawy | ||
| 4. | 03 Monte Carlo Validation Approach for Evaluating the Uncertainty of Identical Force Intervals | |
| Pages 23-38 | ||
| Ahmed A. Hawam; Ibrahim S. El-Deeb; K. M. Khaled; Mohamed ElWakil | ||
| 5. | 04 Effect of ionizing and non-ionizing radiation fields on the structural properties of rats RBCs for the evaluation of the radiation hazards (in vivo study) | |
| Pages 39-54 | ||
| Eman Sayed; Reham Hamdy | ||
| 6. | 05 Performance Verification and validation of Biological Safety Cabinets or Small Clean Areas | |
| Pages 55-68 | ||
| Khaled E Elnagar | ||