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Journal of Radioanalytical and Nuclear Chemistry
Authors: K. Takamiya, T. Fukunishi, R. Tsujito, S. Fukutani, T. Takahashi, S. Shibata, and S. Uchida

Abstract  

The adsorption behavior of fission products to various soils was studied using a multitracer. The multitracer was prepared by neutron irradiation of 235U. Distribution coefficients of fission products were obtained for seventeen kinds of Japanese soils. It was found that zirconium, niobium, and rare earth elements show high distribution coefficients for all soil samples, however, elements like alkali metals show varied values.

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Journal of Radioanalytical and Nuclear Chemistry
Authors: K. Takamiya, R. Okumura, N. Abe, Y. Nakano, K. Miyata, S. Fukutani, A. Taniguchi, and H. Yamana

Abstract  

The new control system of pneumatic transportation apparatuses for neutron irradiation in Kyoto University Reactor (KUR) has been developed based on the TCP/IP network for the purpose of integrated management of the apparatus. The control system is comprised of PLCs, control PCs, database and web servers. Archiving logs of detailed information about irradiation enables the secure operation and management of the irradiation system. The information stored in the server can be referred by remote PCs and mobile phones through the internet. Combining the present facility with measurement and radiation management systems it can realize advanced INAA methods and secure managements of radioisotopes.

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