Estimation of dosimetric parameters from inhaled activity distribution in human body.

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概要

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• A method is proposed to estimate parameters for dose calculation from inhaled activity distribution in the human body.<BR>Inhalation of <SUP>60</SUP>Co aerosols is simulated by the metabolic model proposed in ICRP Publi-cation 30. The ranges of parameters for dose calculation are as follows : particle size 1 to 20 μm ; inhalation class Y; time after inhalation 1 to 90 d. The ratio of radionuclide retentions in the lower to upper bodies, divided by the diaphragm, is used as the index of activity distribution in the body. The results of computer simulations show that the retained activity ratio is valid to estimate intervals of possible values of particle size and time after inhalation.

• 一般社団法人 日本原子力学会の論文

著者

• Fujii Masaaki

  Energy Research Laboratory Hitachi Ltd.

• Maruyama Takashi

  National Institute Of Information And Communications Technology

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