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Distributions and concentrations of radionuclides in giant butterbur after the Fukushima Nuclear power plant accident

https://repo.qst.go.jp/records/71266
https://repo.qst.go.jp/records/71266
c016d258-8182-42c9-8f5c-8163f94216f0
Item type 会議発表用資料 / Presentation(1)
公開日 2013-09-30
タイトル
タイトル Distributions and concentrations of radionuclides in giant butterbur after the Fukushima Nuclear power plant accident
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 Tagami, Keiko

× Tagami, Keiko

WEKO 700564

Tagami, Keiko

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Uchida, Shigeo

× Uchida, Shigeo

WEKO 700565

Uchida, Shigeo

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田上 恵子

× 田上 恵子

WEKO 700566

en 田上 恵子

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内田 滋夫

× 内田 滋夫

WEKO 700567

en 内田 滋夫

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抄録
内容記述タイプ Abstract
内容記述 Distributions of radiocesium (137Cs) and radioiodine (131I) in giant butterbur (Petasites japonicus) was studied to investigate translocation of these radionuclides. The concentration ratios (on dry weight basis) between petiole and leaf for the first samples (28 March 2011) showed about 0.2 for both isotopes, however, the ratio increased to ca 0.7 for 131I while that for 137Cs was ca. 0.4 by 5 May 2011. The newly emerged shoots showed the concentrations in between. For 137Cs, further monitoring was carried out and it was found that the concentration ratios increased to between 0.46-0.86 after 200 days or more from the first sampling date. The uptake process was mainly from soil after 210 days from the first sampling date, the concentration of radiocesium was usually low in petiole.
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 The fifth international symposium in the series of Asia-Pacific Symposium on Radiochemistry
発表年月日
日付 2013-09-27
日付タイプ Issued
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