caa a22 4500 469110678 CHVBK 20180323133110.0 cr unu---uuuuu 170328e19921201xx s 000 0 eng 10.1007/BF02034811 doi (NATIONALLICENCE)springer-10.1007/BF02034811 On-line method for measurement of the dispersion coefficient of radionuclide migration using a column method [Elektronische Daten] [Wen-Chung Liu, Jiunn-Guang Lo, Chao-Ming Tsai] An on-line method to obtain breakthrough curves from a conservative tracer generated in crushed rock columns has been introduced. The breakthrough curve can be used to evaluate some important hydrologic parameters for studying radionuclide migration in groundwater system. These parameters include the dispersion coefficient, average flow yelocity, effective porosity, and retardation factor of the columns tested. A conservative radiotracer,131I, was used to generate the breakthrough curves, and linear regression analysis was applied to obtain the optimum value of dispersion coefficient. The effects of the injected volume of radioactive tracer, average flow velocity, and effective diameter of packed material on the dispersion coefficient as well as the stability of the packed material, and their in-situ application are discussed. Akadémiai Kiadó, 1992 Liu Wen-Chung Institutwe of Nuclear Science, National Tsing Hua University, 30043, Hsinchu, Taiwan (ROC aut Lo Jiunn-Guang Institutwe of Nuclear Science, National Tsing Hua University, 30043, Hsinchu, Taiwan (ROC aut Tsai Chao-Ming Radwaste Administration, Atomic Energy Council 65, Lane 144, Keelung Road Sec. 4, 10772, Taipei, ROC aut Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 163/2(1992-12-01), 373-384 0236-5731 163:2<373 1992 163 10967 https://doi.org/10.1007/BF02034811 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02034811 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Liu Wen-Chung Institutwe of Nuclear Science, National Tsing Hua University, 30043, Hsinchu, Taiwan (ROC aut NATIONALLICENCE 700 1- Lo Jiunn-Guang Institutwe of Nuclear Science, National Tsing Hua University, 30043, Hsinchu, Taiwan (ROC aut NATIONALLICENCE 700 1- Tsai Chao-Ming Radwaste Administration, Atomic Energy Council 65, Lane 144, Keelung Road Sec. 4, 10772, Taipei, ROC aut NATIONALLICENCE 773 0- Journal of Radioanalytical and Nuclear Chemistry Kluwer Academic Publishers 163/2(1992-12-01), 373-384 0236-5731 163:2<373 1992 163 10967 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer