| Co-Investigator(Kenkyū-buntansha) |
齊藤 敬 尚絅学院大学, 公私立大学の部局等, 准教授 (00343616)
上杉 正樹 金沢大学, 学内共同利用施設等, 研究員 (00622094)
小島 貞男 愛知医科大学, 医学部, 教授 (20126858)
村松 久和 信州大学, 教育学部, 教授 (40157798)
沖 雄一 京都大学, 原子炉実験所, 准教授 (40204094)
大槻 勤 京都大学, 原子炉実験所, 教授 (50233193)
横山 明彦 金沢大学, 物質化学系, 教授 (80230655)
大浦 泰嗣 首都大学東京, 理工学研究科, 准教授 (90291567)
吉村 崇 大阪大学, 学内共同利用施設等, 教授 (90323336)
二宮 和彦 大阪大学, 理学(系)研究科(研究院), 助教 (90512905)
本多 照幸 東京都市大学, 工学部, 教授 (30139414)
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| Budget Amount *help |
¥101,140,000 (Direct Cost: ¥77,800,000、Indirect Cost: ¥23,340,000)
Fiscal Year 2016: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2015: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2014: ¥29,640,000 (Direct Cost: ¥22,800,000、Indirect Cost: ¥6,840,000)
Fiscal Year 2013: ¥23,270,000 (Direct Cost: ¥17,900,000、Indirect Cost: ¥5,370,000)
Fiscal Year 2012: ¥25,610,000 (Direct Cost: ¥19,700,000、Indirect Cost: ¥5,910,000)
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| Outline of Final Research Achievements |
Large amounts of radioactive nuclides were released into the environment by the accident of FDNPP. Many researchers reported radioactivities in the environment and distribution of radioactive nuclides was investigated. However, trace nuclides such as Sr-90 and Pu isotopes have been very limited. Detail reactor circumstance (such as fuel temperature) and chemical forms of released nuclides can be investigated from these elements. In this work, we successfully developed a new rapid analysis methods for these nuclides and investigated distribution and time change of these nuclides for aerosol, seawater and soil samples. We also investigated absorption process of these nuclides for aerosols using aerosol generation system connected fission product generation chamber. From these studies, we discussed the detail reactor circumstance in the initial stage of the accident.
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