Comparative analysis of air absorbed dose rate with different gamma radiation dose rate instrument
10.13491/j.issn.1004-714X.2021.02.008
- VernacularTitle:不同γ辐射剂量率仪空气吸收剂量率测量比对分析
- Author:
Longsheng CAO
1
;
Xun DIN
1
;
Yang YANG
1
;
Lei ZENG
1
;
Chenjian HU
1
;
Anbiao LVU
1
;
Yuhang LIAO
1
Author Information
1. Zhe Jiang Province Environmental Radiation Monitoring Center, State Environmental Protection Key Laboratory of Environmental Radiation Monitoring, Zhe Jiang Province Key Laboratory of Environmental Radiation Safety Monitoring, Hangzhou 310012 China.
- Publication Type:RadiationMonitoring/OriginalArticles
- Keywords:
γ Radiation Air Absorbed Dose Rate;
Cosmic Ray Response;
Intercomparison
- From:
Chinese Journal of Radiological Health
2021;30(2):159-164
- CountryChina
- Language:Chinese
-
Abstract:
Objective In order to test and improve the monitoring technical level and ability of radiation environmental monitoring network in Zhejiang Province, ensure the accuracy and reliability of monitoring data and information, and obtain the cosmic ray response values of instruments and equipment in this year. Methods In September 2018，an intercomparison meeting of environmental gamma radiation air absorbed dose rate within the radiation environmental monitoring network of Zhejiang province was held in Ningbo，which was organized by Zhejiang Province Radiation Environmental Monitoring Center.A total of 33 sets of instruments from 15 member units participated in the intercomparison measurements at 5 environmental measuring points, and the comparison results were evaluated by the Z score values. Results It was found that the |Z| of all measurement results were less than or equal to 2, and the evaluation results were satisfactory and acceptable. Conclusion The measured data of scintillation counters have relatively wider dispersion，and the high pressure ionization chambers have bigger response valuetocosmic ray. The measurement results of the two kinds of instruments keep a good linearity except for the measurement points of cosmic ray response.
