الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
 |  | from | 151 |  |  |
| | | from | 151 | | |
Abstract
The improvement and validation of the gamma non–destructive assay NDA) techniques to quantify the radioactivity of the gamma emitter’s estimation of their specific activities in samples containing measurable concentrations of them has been done especially after the advent of high-resolution gamma-ray spectrometric techniques.