NUCLEAR TECHNIQUES, Volume. 45, Issue 10, 100502(2022)

Study on approach for measurement of radioactive waste in steel box based on ISOCS

Peng NIE*, Jin LU, Yaping GUO, Ren REN, and Lijun ZHANG
Author Affiliations
  • China Institute of Atomic Energy, Beijing 102413, China
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    Figures & Tables(10)
    In situ objects counting system
    Ring collimator
    Diagram showing steel box measurement using ISOCS
    The decay of the γ ray through the absorber
    Simulation curve interface for the efficiency calibration without a radioactive source
    Geometry information for steel box
    Using ISOCS for efficiency calibration
    Schematic diagram of simulation volume source efficiency calibration with point source
    Diagram showing the distribution of the standard radioactive source
    • Table 1. Comparison between measured (average over 6 positions in a steel box) and standard values for a 137Cs and a 60Co source

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      Table 1. Comparison between measured (average over 6 positions in a steel box) and standard values for a 137Cs and a 60Co source

      序号Serial number源位置Source position

      137Cs放射性活度

      Radioactivity of 137Cs / Bq

      60Co放射性活度

      Radioactivity of 60Co / Bq

      1位置1 Position 12.22×1072.06×104
      2位置2 Position 22.04×1072.59×104
      3位置3 Position 31.93×1081.94×105
      4位置4 Position 42.00×1081.81×105
      5位置5 Position 51.05×1083.73×105
      6位置6 Position 61.55×1083.88×105
      平均测量值Average values1.16×1081.97×105
      活度标准值Standard value of activity9.01×1071.51×105
      相对偏差Relative deviation28%30%
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    Peng NIE, Jin LU, Yaping GUO, Ren REN, Lijun ZHANG. Study on approach for measurement of radioactive waste in steel box based on ISOCS[J]. NUCLEAR TECHNIQUES, 2022, 45(10): 100502

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    Paper Information

    Category: Research Articles

    Received: Mar. 29, 2022

    Accepted: --

    Published Online: Nov. 4, 2022

    The Author Email:

    DOI:10.11889/j.0253-3219.2022.hjs.45.100502

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