Comprehensive Review of the Investigation of Anthropogenic and Naturally Occurring Radionuclides in Different Parts of Bangladesh

International Journal of Advanced engineering, Management and Science Pub Date : 2018-07-01 DOI:10.22161/ijaems.4.7.1

M. Islam, H. Akhter, M. Begum, M. Kamal

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引用次数: 1

Abstract

Authors attempt to depict a survey of anthropogenic 137Cs and naturally occurring radionuclides (226Ra, 228Th, 232Th, 214Bi, 208TI, 40K) in undistributed soil, water, ship scrapped materials such as metal, rubber and foam and tree bark of ship breaking area, cynoglossids i.e. tongue soles and tea leaves collected from different parts of Bangladesh for detecting health hazards, environmental protection and radiation safety of the public. The assessment of such radionuclides in these samples is utmost important due to nuclear test and accident, fallout and disposal of radioactive wastes. These radiotracers have been investigated by using laboratory-based Gamma Spectrometry for Food and Environmental Samples. The observation of activity concentrations for 137Cs, 226Ra, 228Th,232Th, 214Bi, 208TI and 40K have been presented in Bq.Kg-1. The others radiological parameters such as gamma ray dose rate (nGyh-1), Radium Equivalent Dose (Raeq) Bq.Kg-1, Representative Level Index (lr) Bq.Kg-1 and Transfer Factor (TF) %. The Radiation Hazard Index (Hx) Bq.Kg-1 also has been presented.

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孟加拉国不同地区人为和自然发生的放射性核素调查的综合审查

作者试图描述在未分布的土壤、水、船舶报废材料(如金属、橡胶和泡沫)、船舶拆解区的树皮、舌底和从孟加拉国不同地区收集的茶叶中人为137Cs和自然发生的放射性核素(226Ra、228Th、232Th、214Bi、208TI、40K)的调查，以检测健康危害、环境保护和公众的辐射安全。由于核试验和事故、放射性废物的沉降和处置，对这些样品中的这种放射性核素进行评估是极其重要的。这些放射性示踪剂已经用实验室为基础的伽马光谱法对食品和环境样品进行了研究。Bq.Kg-1对137Cs、226Ra、228Th、232Th、214Bi、208TI和40K的活性浓度进行了观测。其他放射学参数如γ射线剂量率(nGyh-1)，镭当量剂量(Raeq) Bq。Kg-1，代表性水平指数(lr)Kg-1和传递系数(TF) %。辐射危害指数(Hx) Bq。Kg-1也被介绍过。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Advanced engineering, Management and Science

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