期刊
APPLIED RADIATION AND ISOTOPES
卷 67, 期 5, 页码 974-977出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2009.01.068
关键词
Foodstuff; Cs-137; Monitoring
This work presents the results of (CS)-C-137 content long-term monitoring (1986-2007) in selected groups of foodstuffs. The data in the period of 1992-2007 were roughly log-normally distributed (beef, pork, milk). The more detailed statistical evaluation in this period of time was performed. Maximum likelihood method was used for estimation of the mean values. Several methods for decreasing the detection limits of (CS)-C-137 (detector efficiency, sample preparation, counting containers) are listed and compared. (c) 2009 Elsevier Ltd. All rights reserved.
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