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
- NUCLEAR TECHNIQUES
- Vol. 45, Issue 10, 100502 (2022)
Fig. 1. In situ objects counting system
Fig. 2. Ring collimator
Fig. 3. Diagram showing steel box measurement using ISOCS
Fig. 4. The decay of the γ ray through the absorber
Fig. 5. Simulation curve interface for the efficiency calibration without a radioactive source
Fig. 6. Geometry information for steel box
Fig. 7. Using ISOCS for efficiency calibration
Fig. 8. Schematic diagram of simulation volume source efficiency calibration with point source
Fig. 9. Diagram showing the distribution of the standard radioactive 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
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