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Report No.

Studies on Data Base Management for Nuclide Migration and Improvement of Individual Models (II)

Tsujimoto, Keiichi*; Miura, Fusae*; Morooka, Koichi*; Ueda, Shinzo*

Methods of management of database which was based on understanding of phenomena, reliable, and closely related with performance assessment were studied on parallel with researches for individual model improvement by means of column experiment, and analysis code development for colloids.For nuclide transport database, the basic data development method was examined in order to improve the credibility of the data stored in the database.For the analysis and code development for colloid transport, user interface of the colloid transport analysis code, COLFRAC-MRL code, that was developed in the last year, was developed. The dose analysis based on the nuclide transport analysis with considering colloids are executed by using COLFRAC-MRL code. The effect of chemical equilibrium and kinetics model for nuclide sorption on colloids are evaluated in the analysis.The standard measurement method was examined and data was obtained by the experiments for distribution coefficient of nuclide and colloids, which is the important parameter for safety performance assessment of high-level radioactive waste.



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