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International Journal of Radiation Research، جلد ۶، شماره ۲، صفحات ۵۹-۶۳

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عنوان انگلیسی Study of gamma exposure rate in Mysore and Chamaraj Nagar district, Karnataka, India
چکیده انگلیسی مقاله Background: Humans beings are continuously exposed to ionizing radiation from natural sources. The main contributors to natural radiation are high-energy cosmic radiation and radioactive nuclides that originates in the earth’s crust. Exposure to high levels of radiation can cause serious health effects. In this study an attempt has been made to monitor the levels of environmental background radiation (gamma) in temples, historical monuments, schools and colleges, hostels, wedding halls and theaters in Mysore and Chamaraj Nagar districts and assess the possible effects on environment and human health. Materials and Methods: Environmental radiation dosimeter is used to measure the outdoor and indoor radiation absorbed dose levels. The measurements were made 1 m above the ground level. Results: Inside the temples it varies from 122.7 to 231.4 nGy.h–1 with a median of 130.1 nGy.h–1 outside the temples it varies from 141.8 to 340.2 nGy.h–1 with a median of 216.2 nGy.h–1. In different types of buildings in indoor atmosphere it varies from 112.2 to 197.5 nGy.h–1 with a median of 127.0 nGy.h–1 and in outdoor atmosphere it varies from 140.9 to 298.4 nGy.h–1 with a median of 216.2 nGy.h–1. Conclusion: The indoor absorbed dose rate is higher than outdoors in all types of constructions. Indoor and outdoor environment of the temples has higher levels of radiation than the historical monuments and other public and private building in Mysore and Chamaraj Nagar districts. Use of additional granite materials inside or outside the building will enhance the absorbed radiation dose levels. The values observed in the study area are comparable with other values observed in different parts of the world.
کلیدواژه‌های انگلیسی مقاله Gamma radiation, dosimeter, Mysore.

نویسندگان مقاله k l sriharsha | k l sriharsha
1department of studies in environmental science, university of mysore, manasagangotri, mysore –570 006,karnataka, india


m raghavayya | m. raghavayya
1department of studies in environmental science, university of mysore, manasagangotri, mysore –570 006,karnataka, india


ناصررضا rajendra prasad | n r rajendra prasad
2department of environmental science, st. philomena’s college, mysore –570 015, karnataka, india


محمدصادق chandrahekara | m s chandrahekara
3department of studies in physics, university of mysore, manasagangotri, mysore –570 006, karnataka, india



نشانی اینترنتی http://www.ijrr.com/browse.php?a_code=A-10-1-273&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Radiation Biology
نوع مقاله منتشر شده تحقیق بدیع
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