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  • Title: [Reconstruction of I-131 in milk and exposure doses to the thyroid gland of cattle after the Chernobyl AES].
    Author: Spirin EV.
    Journal: Radiats Biol Radioecol; 2002; 42(5):564-8. PubMed ID: 12449827.
    Abstract:
    Suggestions are made concerning the restoration of 131I content in cow milk of six districts in the Gomel region based on radiometric measurements of the overall activity of milk samples in the iodine period of the Chernobyl NPP accident, reconstruction of doses to thyroid of cattle and calculation of dose distribution among the live-stock by separation the function of activity changes in milk samples in time into the basic components formed by the contribution of 131I, 134Cs and 137Cs. The best approximation to the description of the function of milk activity variations was found to be achieved by the representation of forage activity changes as a sum of exponents with the half-life periods of 5 and 30 day with a partial contribution of 0.8 and 0.2. The calculations showed, that the average absorbed doses to the thyroid varied between 10 and 40 Gy.
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