- 中文核心期刊
- 中国科技核心期刊
- CSCD
- ISSN 1007-6336
- CN 21-1168/X
| Citation: |
WEI Ji-fang, WANG Rong-yuan, WANG Wei, ZHANG Xin-xing, DENG Chun-mei, YAO Hai-yan, DING Kai, ZHANH Meng-meng. Study on efficiency calibration of 137Cs γ-spectrum analysis in seawater[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2019, 38(3): 342-346, 352. DOI: 10.12111/j.mes20190304
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Based on the LabSOCS software, studies on the detector efficiency calibration of the 137Cs γ-spectrum analysis in the seawater were performed under different aspects of sample compositions, relative geometric positions to the detector, masses and densities.The results revealed that the effects brought by sample compositions and relative positions to the detection efficiency could be ignored.A unit duality quadratic polynomial was employed to describe the relationship between detection efficiency and sample mass as well as density, and the result showed that the multiple correlation coefficient could reach as high as 0.99946.These results have replenished theoretical basis for the 137Cs γ-spectrum analysis in the seawater.
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