艾拉灾难后农业土壤中的自然伽马辐射水平检测以及与孟加拉国萨奇拉孙德尔班地区特定地区深层土壤伽马活动的比较

Q4 Health Professions

Iranian Journal of Radiation Research Pub Date : 2020-07-10 DOI:10.18869/ACADPUB.IJRR.18.3.397

S. Arafin, A. El-Taher, A. Hoque, M. Hoque, J. Ferdous, M. Abedi

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引用次数: 4

摘要

背景：本研究是在世界上最大的红树林Sundarban Rezion西南部Satkhira区的Shamnagar upazila采集的一些土壤样本上进行的，这些样本受到了自然灾害气旋Aila的影响。材料与方法：采用HPGeγ射线光谱法对土壤样品进行分析，测定陆地γ射线活性。目前研究中进行的测量表明，所有土壤样品中都含有原始放射性核素，即U、Th和K。结果与讨论：所获得的U、Th和K的平均活性浓度结果在UNSCEAR报告的17-60、11-64140-850 Bq.kg的世界平均值范围内。辐射剂量低于国际原子能机构建议的1mSvy的允许限值（2007年）。在本工作的光谱中没有发现来自衰变活性的Cs的峰值。结论：目前的工作将有助于提供这些特定地区的环境监测数据库。

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Natural gamma radiation level detection in agriculture soil after Aila disaster and comparison with deep soil gamma activity in a specific area of Sundarban region, Satkhira, Banglsdesh

Background: The present work was conducted on some soil samples collected from Shamnagar upazila of Satkhira district of south-west part of world largest mangrove forest Sundarban Rezion, Bangladesh which were affected by natural disaster cyclone Aila. Materials and Methods: The soil samples were analyzed to determine terrestrial γ-ray activity using HPGe γ-ray spectrometry. The measurements conducted in the current study showed that primordial radionuclides namely the U and Th and K are contained in all the soil samples. Results and Discussion: The obtained results of the average activity concentrations of U, Th and K were found to be within the range of the world average of 17-60, 11-64, 140-850 Bq.kg reported by UNSCEAR. The radiation dose is below the permissible limit of 1mSvy recommended by IAEA (2007). No peak of Cs from the decay activity was found in the spectrum in the present work. Conclusion: The present work will be useful in providing environmental monitoring data base of those particular areas.

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来源期刊

Iranian Journal of Radiation Research RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-

CiteScore

0.67

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Iranian Journal of Radiation Research (IJRR) publishes original scientific research and clinical investigations related to radiation oncology, radiation biology, and Medical and health physics. The clinical studies submitted for publication include experimental studies of combined modality treatment, especially chemoradiotherapy approaches, and relevant innovations in hyperthermia, brachytherapy, high LET irradiation, nuclear medicine, dosimetry, tumor imaging, radiation treatment planning, radiosensitizers, and radioprotectors. All manuscripts must pass stringent peer-review and only papers that are rated of high scientific quality are accepted.