cadrul iradierii medicale: Topics by marzipan.ro

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Descamps, C The aim of this thesis, lead in the framework of an integrated European project entitled M. Diamond is a good candidate for the detection of high energy beams in medical fields. It can be used for passive dosimetry, as thermoluminescent dosimeters or for active dosimetry as ionisation chambers.

These two applications are presented here.

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Concerning the thermoluminescence, several impurities or dopants boron, phosphorus, and nitrogen have been incorporated in the diamond films during growth, in order to modify the material dosimetric properties and a detailed study of nitrogen-containing films is proposed. The second part presents the results obtained in active dosimetry.

Two guide lines were followed: the measurement set-up optimisation and the material modification. The first dosimetric studies under radiotherapy beams concerning nitrogen-containing polycrystalline diamond as well as high purity single crystal diamond are conclusive.

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When treated, teeth show both The second part deals with the nuclear accident at Fukushima: event sequence, situation of the nuclear industry in France after Fukushima, fuel cycle and future opportunities. The third part addresses health and environmental consequences.

Each part is completed by a large number of documents in which some specific aspects are more precisely reported, commented and discussed.

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