원문정보
보안공학연구지원센터(IJUNESST)
International Journal of u- and e- Service, Science and Technology
Vol.7 No.2
2014.04
pp.63-76
피인용수 : 0건 (자료제공 : 네이버학술정보)
초록
영어
Concentrations of natural radionuclides (226Ra, 232Th and 40K) content and its radiological hazards were presented in this paper for variety of commonly used building materials soil, sand, redbrick, clay brick, limestone and cement. Measurements were done by using gamma spectrometry (NaI (Tl) 3”x 3”). The radiation hazard indices like: Radium equivalent (Raeq), external hazard index (Hex), activity concentration index (Iex), the specific dose rates in door (D), and the annual effective dose (DE) due to gamma radiation were calculated and compared with internationally recommended values.
목차
Abstract
1. Introduction
2. Materials and Methods
2.1. Sample Description and Preparation
2.2. Instrumentation and Calibration
3. Results and Discussion
3.1. Activity Cncentrations
3.2. Radium Equivalent Activity
3.3. External Hazard Index (Hex)
3.4. Activity Concentration Index(I)
3.5. Dose Rate Indoor (D)
3.6. Annual Effective Dose Rate
4. Comparison of Results with Similar Studies in Other Countries
5. Conclusions
Acknowledgements
References
1. Introduction
2. Materials and Methods
2.1. Sample Description and Preparation
2.2. Instrumentation and Calibration
3. Results and Discussion
3.1. Activity Cncentrations
3.2. Radium Equivalent Activity
3.3. External Hazard Index (Hex)
3.4. Activity Concentration Index(I)
3.5. Dose Rate Indoor (D)
3.6. Annual Effective Dose Rate
4. Comparison of Results with Similar Studies in Other Countries
5. Conclusions
Acknowledgements
References
저자정보
참고문헌
자료제공 : 네이버학술정보