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马来西亚砂拉越美里市典型城市住宅地面伽马辐射剂量率的微观测绘。

Micro-mapping of terrestrial gamma radiation dose rate in typical urban homes in Miri City (Sarawak, Malaysia).

作者信息

Dodge-Wan Dominique, Viswanathan Prasanna Mohan, Seow Sheng Qin

机构信息

Department of Applied Sciences, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009 Miri, Sarawak Malaysia.

出版信息

J Radioanal Nucl Chem. 2023;332(6):2177-2193. doi: 10.1007/s10967-023-08838-z. Epub 2023 Mar 8.

DOI:10.1007/s10967-023-08838-z
PMID:37193350
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9994391/
Abstract

Micro-mapping of terrestrial gamma radiation dose (TGRD) at meter grid spacing in and around four urban homes in Miri City shows rates ranging from 70 to 150 nGy/h. Tiled surfaces (floors and walls) vary between properties and have a clear and significant influence on TGRD which is highest in kitchens, washrooms and toilets. Application of a single indoor value for annual effective dose (AED) may lead to underestimations of up to 30%. The AED is unlikely to exceed 0.8 mSv in homes of this type in Miri, which is within recommended guidelines.

摘要

在美里市四个城市家庭及其周边以米网格间距对陆地伽马辐射剂量（TGRD）进行的微观测绘显示，剂量率范围为70至150纳戈瑞/小时。不同房产的瓷砖表面（地板和墙壁）存在差异，且对TGRD有明显且显著的影响，在厨房、洗手间和卫生间中TGRD最高。采用单一的室内年有效剂量（AED）值可能导致高达30%的低估。在美里这种类型的家庭中，AED不太可能超过0.8毫希沃特，这在推荐指南范围内。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/41c9b2177635/10967_2023_8838_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/931c95b371ca/10967_2023_8838_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/961dea58b6e5/10967_2023_8838_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/2fa7158753e3/10967_2023_8838_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/bf4d8dc3455e/10967_2023_8838_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/892d2ac8c553/10967_2023_8838_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/e1484f0dd5f7/10967_2023_8838_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/1cc61384d65a/10967_2023_8838_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/41c9b2177635/10967_2023_8838_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/931c95b371ca/10967_2023_8838_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/961dea58b6e5/10967_2023_8838_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/2fa7158753e3/10967_2023_8838_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/bf4d8dc3455e/10967_2023_8838_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/892d2ac8c553/10967_2023_8838_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/e1484f0dd5f7/10967_2023_8838_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/1cc61384d65a/10967_2023_8838_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b717/9994391/41c9b2177635/10967_2023_8838_Fig8_HTML.jpg

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