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水生生物学期刊

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ISSN 打印: 0018-8166

ISSN 在线: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Dynamics of the Formation of Irradiation Dose in Freshwater Fish after Single Influx of 90Sr and 137Cs into a Water Body

卷 51, 册 1, 2015, pp. 98-105
DOI: 10.1615/HydrobJ.v51.i1.90
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摘要

Dynamics of the formation of irradiation dose in fish after single influx of 90Sr and 137Cs into a water body were studied by the method of mathematical simulation. The dose rate of fish irradiation formed by 90Sr depends on its content in the organism, whereas that of 137Cs − on the concentration of this radionuclide in the water, bottom sediments, and fish organism. Under given conditions, the dose rate of fish irradiation formed by 90Sr will increase for 33 months. Its maximal values will be registered almost throughout the year. After 10 years, the dose rate of fish irradiation will be 2.4 times lower than its maximal value. The dose rate offish irradiation formed by 137Cs will increase for 4−5 months. After two years, the rate of the integral dose will be 8.2 times lower than its maximal value.

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