کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1739397 | 1521631 | 2007 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The transfer of 239/240Pu to cow milk
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
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چکیده انگلیسی
In summer 1993 we measured the transfer of 239/240Pu to milk from herbage from a pasture located 5 km from the Chernobyl nuclear power plant. In one treatment cows were allowed to graze freely on the pasture. In a second treatment, cows were fed herbage collected from the pasture in stalls. The milk transfer coefficient; Fm did not vary significantly between treatments and the mean value of 7.5 Ã 10â6 d lâ1 was higher than previously reported values. Despite many values of Fm for Pu in the literature we identified few relevant original data sets. Transfer coefficient values for Pu are only appropriate when used in conjunction with a specified time period or an appropriate model which allows for the biological half-life. We recommend for screening purposes an Fm value of 1 Ã 10â5 d lâ1 for Pu, with an order of magnitude lower value being appropriate for cows which are only exposed for one grazing season.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Environmental Radioactivity - Volume 98, Issues 1â2, NovemberâDecember 2007, Pages 191-204
Journal: Journal of Environmental Radioactivity - Volume 98, Issues 1â2, NovemberâDecember 2007, Pages 191-204
نویسندگان
B.J. Howard, N.A. Beresford, S. Gashchak, A. Arkhipov, R.W. Mayes, J. Caborn, G. Strømann, L. Wacker,