Neutron dosimetry in theIin vivo/Imeasurement ofintrathyroidal iodine in man by activation analysis

K Boddy; J A Dennis; R C Lawson

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Neutron dosimetry in theIin vivo/Imeasurement ofintrathyroidal iodine in man by activation analysis

机译：Neutron dosimetry in theIin vivo/Imeasurement ofintrathyroidal iodine in man by activation analysis

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A collimated beam of neutrons from a reactor was used to irradiate thethyroid, inducingl28I which can be detected by external counting. Neutron dosimetrystudies have been carried out with the unmodified beam and also using a boron filterto absorb incident thermal neutrons. Five methods were used to provide doseestimates and the results were in reasonable agreement, giving for a clinical examination at 20 kw reactor power a mean dose-equivalent and standard error of 20.41.1rem for the filtered beam, and 24.11.2 rem for the unmodified beam due to neutronsat the thyroid. The concurrent-ray dose is 2.10.2 rem. The dose to the eyesand gonads is less than 1 of the thyroid dose.

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《physics in medicine and biology》 |1969年第3期|471-480|共页
作者
K Boddy; J A Dennis; R C Lawson;
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Scottish Research Reactor Centre, East Kilbride, Glasgow, UK;

Health Physics and Medical Division, U.K.A.E.A., Harwell, UK;

U.K.A.E.A., Chapelcross Works, Annan, Dumfriesshire, UK;

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Neutron dosimetry in theIin vivo/Imeasurement ofintrathyroidal iodine in man by activation analysis

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