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液闪 TDCR 测量装置研制 预览 被引量:1

Development of TDCR Liquid Scintillation System
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摘要 介绍了新建液闪活度绝对测量装置,该装置应用液闪三管两管符合比(TDCR)测量原理对β放射性核素活度进行测量。装置由3个光电倍增管及自制的散焦分压线路组成。通过改变光电倍增管的聚焦来改变探测效率,测量了3 H放射源活度并进行了不确定度分析及讨论,TDCR测量结果与标定值在0.9%内符合,合成标准不确定度为0.6%(k=1)。 The liquid scintillation counting system recently constructed for absolute activity measurement was introduced ,and it uses TDCR method to measure activity ofβnuclide .The system is equipped with three PM Ts connected to a de‐focusing voltage divider base developed by ourselves .After varying the efficiency by de‐focusing of the PM tube ,the activity of the 3 H source was determined .The analysis of uncertainty and discussion of measurement result were given .The activity determined with TDCR is in agreement with certified value within the range of 0.9% .The combined uncertainty of results is 0.6% (k=1) .
作者 吕晓侠 陈细林 姚顺和 LV Xiao-xia,CHEN Xi-lin,YAO Shun-he (China Institute of Atomic Energy, P. O. Box 275-20, Beijing 102413, China)
出处 《原子能科学技术》 EI CAS CSCD 北大核心 2014年第11期2133-2136,共4页 Atomic Energy Science and Technology
基金 国防军工计量十一五科研计划项目资助(J0120L0C001)
关键词 液闪 活度 不确定度 liquid scintillation activity uncertainty
作者简介 吕晓侠(1973-),女,山西古县人,副研究员,博士,电离辐射计量专业
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  • 1MALONDA G A, GARCIA-TORANO E. Eval- uation of counting efficiency in liquid scintillation counting of pure beta-ray emitters[J]. Appl Ra diat Isot, 1982, 33(1): 249-252. 被引量:1
  • 2BOUCHARD J, CASSETTE P. MAC3: An electronic module for the processing of pulses de- livered by a three photo multiplier liquid scintilla tion counting system[J]. Appl Radiat Isot, 2000, 52(3), 669-672. 被引量:1
  • 3RAZDOLESCUA A C. The IFIN-HH triple co incidence liquid scintillation counter [J]. Appl Radiat Isot, 2006, 64(10-11): 1 510-1 514. 被引量:1
  • 4NAHLE O, KOSSERT A, CASSETTE P. Ac- tivity standardizationof 3H with the new TDCR system at PTB[J]. Appl Radiat Isot, 2010, 68 (12): 1 534-1 536. 被引量:1
  • 5ZIMMERMAN B E, COLLE R, CESSNA J T. Construction and implementation of the NIST tri pie to double coincidence ratio (TDCR) spec- trometer[J]. Appl Radiat Isot, 2004, 60(204): 433-438. 被引量:1
  • 6JOHANSSON L C, SEPHTON J P. Validation of a new TDCR system at NPL[J]. Appl Radiat Isot, 2010, 68(7-8): 1 537-1 539. 被引量:1

同被引文献5

  • 1Broda R. A review of the triple - to - double coinci-dence ratio(TDCR) method for standardizing radionu- clides[ J]. Appl Radiat Isot ,2003 ,58 :585 - 594. 被引量:1
  • 2Razdolescua A C. The IFIN - HH triple coincidence liquid scintillation counter [ J ]. Appl Radiat Isot, 2006,64(10) :1510 - 1514. 被引量:1
  • 3Nahle O, Kossert A, Cassette P. Activity standardiza- tionof 3H with the new TDCR system at PTB[J]. Ap- pl Radiat Isot,2010,68(12): 1534- 1536. 被引量:1
  • 4Zimmerman B E, Colle R, Cessna J T. Construction and implementation of the NIST triple - to - double coincidence ratio (TDCR) spectrometer [ J ]. Appl Radiat Isot,2004,60 (204) :433 - 438. 被引量:1
  • 5Johansson L C,Sephton J P. Validation of a new TD- CR system at NPL[ J ]. Appl Radiat Isot,2010,68 (7 -8) :1537 - 1539. 被引量:1

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