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首页> 外文期刊>Radiation Protection Dosimetry >LEVELS OF THORON AND PROGENY IN HIGH BACKGROUND RADIATION AREA OF SOUTHEASTERN COAST OF ODISHA, INDIA
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LEVELS OF THORON AND PROGENY IN HIGH BACKGROUND RADIATION AREA OF SOUTHEASTERN COAST OF ODISHA, INDIA

机译：印度奥迪沙东南沿海高本底辐射区的苏伦和子代水平

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摘要

Exposure to radon, ~(222)Rn, is assumed to be the most significant source of natural radiation to human beings in most cases. It is thought that radon and its progeny are major factors that cause cancer. The presence of thoron, ~(220)Rn, was often neglected because it was considered that the quantity of thoron in the environment is less than that of radon. However, recent studies have shown that a high thoron concentration was found in some regions and the exposure to ~(220)Rn and its progeny can equal or several time exceed that of ~(220)Rn and its progeny. The results of thoron and its progeny measurements in the houses of high background radiation area (HBRA) of the southeastern coast of Odisha, India presented here. This area is one of the high background radiation areas in India with a large deposit of monazite sand which is the probable source of thoron. Both active and passive methods were employed for the measurement of thoron and its progeny in cement, brick and mud houses in the study area. Thoron concentration was measured using RAD-7 and Raduet. A CR-39 track detector was employed for the measurement of environmental thoron progeny, both in active and passive modes. Thoron and its progeny concentrations were found to be comparatively high in the area. A comparison between the results obtained with various techniques is presented in this paper.
机译：在大多数情况下，〜（〜222）Rn暴露是对人类自然辐射的最重要来源。人们认为ra及其后代是引起癌症的主要因素。经常忽略of（〜（220）Rn）的存在，因为人们认为环境中of的数量少于ra的数量。但是，最近的研究表明，在某些地区发现了较高的浓度，〜（220）Rn及其后代的暴露量可能等于或超过〜（220）Rn及其后代的暴露量。此处介绍了印度奥里萨邦东南海岸高本底辐射区（HBRA）房屋中的ron及其后代测量结果。该地区是印度高背景辐射地区之一，拥有大量的独居石沙，这可能是of的来源。研究区域的水泥，砖瓦房和泥房中都采用了主动和被动方法来测量及其子代的含量。浓度使用RAD-7和Raduet测量。 CR-39轨道检测器用于主动和被动模式下环境子体的测量。人们发现该地区的Thoron及其子代浓度较高。本文介绍了使用各种技术获得的结果之间的比较。

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  • 来源
    《Radiation Protection Dosimetry》 |2012年第3期|62-65|共4页
  • 作者

    R. C. Ramola; G. S. Gusain; B. S. Rautela; D. V Sagar; G. Prasad; S. K. Shahoo; T. Ishikawa; Y Omori; M. Janik; A. Sorimachi; S. Tokonami;

  • 作者单位

    Department of Physics, H.N.B. Garhwal University, Badshahi Thaul Campus, Tehri Garhwal 249199, India;

    Department of Physics, H.N.B. Garhwal University, Badshahi Thaul Campus, Tehri Garhwal 249199, India;

    Department of Physics, H.N.B. Garhwal University, Badshahi Thaul Campus, Tehri Garhwal 249199, India;

    Health Physics Unit (EAD, BARC), IRE, OSCOM, Matikhalo, Ganjam, Odisha 761 045, India;

    National Institute of Radiological Sciences, Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan;

    National Institute of Radiological Sciences, Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan;

    National Institute of Radiological Sciences, Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan;

    National Institute of Radiological Sciences, Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan;

    National Institute of Radiological Sciences, Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan;

    Institute of Radiation Emergency Medicine, Hirosaki University, Aomori 036-8564, Japan;

    Institute of Radiation Emergency Medicine, Hirosaki University, Aomori 036-8564, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
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