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Diffusion Length of Radon in Building Materials
http://hdl.handle.net/20.500.12678/0000005253
http://hdl.handle.net/20.500.12678/000000525367423987-f4ca-4943-90eb-1b1fa95bf707
536d1d49-d935-4fda-a62e-557d33c89059
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Journal article | ||||||
Upload type | ||||||
Publication | ||||||
Title | ||||||
Title | Diffusion Length of Radon in Building Materials | |||||
Language | en | |||||
Publication date | 2019 | |||||
Authors | ||||||
Khin Swe Oo | ||||||
Tin Nilar Soe | ||||||
Description | ||||||
The present work aims to find out the diffusion coefficients and diffusion lengths in some brick samples. The diffusion coefficients and diffusion lengths have been calculated using solid state nuclear track detectors (LR-115). The diffusion lengths varied from 55.4×10-3m to 924.8×10-3 m. The calculated values of radon concentration of brick samples varied from 30 ± 18.1467 Bqm-3 to167 ± 37.0239 Bqm-3 . The diffusion coefficients varied from 0.0065×10-6 m 2 s -1 to 1.79×10-6 m 2 s -1 . The annual effective doses varied from 0.52 ± 0.3121mSvyr-1 to 2.87 ± 0.6368mSvyr-1 . The value of annual effective dose was recommended by International Commission on Radiological Protection Publication (ICRP) is 5 mSvyr-1 . This study reveals that there is no serious radiation health hazard to the public using the brick samples. |
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Keywords | ||||||
solid state nuclear track detectors(SSNTD), diffusion lengths | ||||||
Journal articles | ||||||
1 | ||||||
Yangon University of Education Research Journal | ||||||
205-213 | ||||||
Vol.9 |