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NATURALLY OCCURRING RADIONUCLIDES AND SELECTED RARE EARTH ELEMENTS IN AIR PARTICULATES OF AN INDIAN HIGH RADIATION BACKGROUND AREA
https://repo.qst.go.jp/records/73129
https://repo.qst.go.jp/records/731299b1d383c-3d18-4aa1-b3cc-005b0c22c016
| Item type | 会議発表用資料 / Presentation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2019-01-04 | |||||
| タイトル | ||||||
| タイトル | NATURALLY OCCURRING RADIONUCLIDES AND SELECTED RARE EARTH ELEMENTS IN AIR PARTICULATES OF AN INDIAN HIGH RADIATION BACKGROUND AREA | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
| 資源タイプ | conference object | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
S.K.Sahoo
× S.K.Sahoo× S.Tokonami× T.Ishikawa× A.Sorimachi× Y.Omori× M.Hosoda× R.C.Ramola× サフー サラタ クマール× 石川 徹夫× 反町 篤行 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Naturally occurring radionuclides of terrestrial origin are present in the earth’s crust. In most places on the earth, the natural radioactivity varies only within narrow limits, but in some places there are wide deviations from normal levels because of abnormally high levels of radioactive minerals. The presence of thorium and uranium and their decay products in minerals such as monazites, ilmenite, rutile, silimanite and zircon result in enhanced natural background radiation fields in the deposit areas are widely known as high background radiation area (HBRA). Monazite is one of the principal sources of rare earth elements (REEs) and present in the continental crust. Thus it is necessary to facilitate data on HBRAs to predict radiation patterns in the environment to increase awareness. Radiological investigations have been carried out in the eastern coastal area of Odisha state, India to measure the extra terrestrial gamma dose rate, natural radionuclide (226Ra, 228Ac and 40K) concentration in selected surface soil samples. Based on thoron and its progeny measurements in the houses, air particulates were collected using cascade impactor. REEs, U and Th were measured from air particulates using an inductively coupled plasma mass spectrometry (ICP-MS) for a better understanding to trace the origin of sources. |
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| 会議概要（会議名, 開催地, 会期, 主催者等） | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 9th International Conference on High Level Environmental Radiation Areas-For Understanding Chronic Low-Dose-Rate Radiation Exposure Health Effects and Social Impacts (ICHLERA 2018) | |||||
| 発表年月日 | ||||||
| 日付 | 2018-09-27 | |||||
| 日付タイプ | Issued | |||||
