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LIAN Qi, CHANG Yong-fu, LI Qi, XIE Feng, LIU De-min(Northwest Institute of Nuclear Technology, P. O. Box 69-14, Xi'an 710024, China). Specific Activity Measurement of~(166)Ho~m Solution by 4πγ Counting Method[J]. Atomic Energy Science and Technology, 2003, 37(4): 306-306. DOI: 10.7538/yzk.2003.37.04.0306
Citation: LIAN Qi, CHANG Yong-fu, LI Qi, XIE Feng, LIU De-min(Northwest Institute of Nuclear Technology, P. O. Box 69-14, Xi'an 710024, China). Specific Activity Measurement of~(166)Ho~m Solution by 4πγ Counting Method[J]. Atomic Energy Science and Technology, 2003, 37(4): 306-306. DOI: 10.7538/yzk.2003.37.04.0306
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  • The paper describes the 4πγ counting method in radioactivity measurement. The efficiency function is calibrated by using single energy γ sources. A computer program calculating the total effciency is written, and the calculated166Hom effciency is 0.996 7. The relative combined standard uncertainty of the specific activity is 0.4% for the166Hom solution.
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