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Enrichment of natural radium isotopes in the southern South China Sea surface sediments
https://doi.org/10.15083/00040687
https://doi.org/10.15083/00040687e02f6b70-bdd1-43de-8507-e697d27788b3
名前 / ファイル | ライセンス | アクション |
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CMS340125.pdf (869.5 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-05-25 | |||||
タイトル | ||||||
タイトル | Enrichment of natural radium isotopes in the southern South China Sea surface sediments | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | 228Ra | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | 226Ra | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Activity ratio | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Distribution | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Surface marine sediment | |||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15083/00040687 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Mohamed, Che Abd. Rahim
× Mohamed, Che Abd. Rahim× Mahmood, Zal Uyun Wan× Ahmad, Zaharudin× Ishak, Abd. Kadir |
|||||
著者所属 | ||||||
著者所属 | Marine Ecosystem Research Centre (EKOMAR), Faculty of Science and Technology, Universiti Kebangsaan Malaysia | |||||
著者所属 | ||||||
著者所属 | School of Environmental & Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia | |||||
著者所属 | ||||||
著者所属 | Malaysian Nuclear Agency | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Surface sediment samples were collected at 31 stations in the east and west coasts of Peninsular Malaysia on August 2003 and February 2004, respectively for determine the level of natural radium isotopes. The concentration levels of 228Ra and 226Ra varied at east coast of Peninsular Malaysia with ranging from 64 to 145 Bqkg(-1) dry and 22 to 124 Bqkg(-1) dry, respectively. Meanwhile, in the west coast stations were ranging from 35 to 65 Bqkg(-1) dry for 228Ra and 22 to 36 Bqkg(-1) dry for 226Ra. The statistical analysis with an ANOVA at 95% confidence level was also proved that the concentration level of radium at sampling stations was different between east and west coast regions. These probably related to the sources of radium which is discharge from the neighboring countries and western Pacific region during monsoon seasons. The distribution ratios of 228Ra/226Ra were slightly higher than the natural value and fluctuated in the east and west coasts of Peninsular Malaysia with an average about 1.8. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Proceedings of 4th JSPS-VAST Joint Seminar on 'Coastal Marine Science', Hai Phong, Viet Nam, 26-28 October 2009 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Ocean Pollution | |||||
書誌情報 |
Coastal marine science 巻 34, 号 1, p. 165-171, 発行日 2010-08-20 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13493000 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11957899 | |||||
日本十進分類法 | ||||||
主題 | 452 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo | |||||
出版者別名 | ||||||
東京大学大気海洋研究所国際沿岸海洋研究センター |