研究目的
To characterize the archival quality of the alanine dosimeter and examine the environmental influence quantities on the stability of both pellet and film commercial dosimeters.
研究成果
The alanine dosimeter demonstrated exceptional stability in the short term and was relatively insensitive to common influence quantities. The long-term data revealed a complex dose-dependent response trend, suggesting that response adjustments based on assumptions of a uniform decay profile could introduce errors.
研究不足
The study does not capture potential laboratory environmental influences such as temperature, relative humidity, and ambient light for the long-term temporal study. The applicability of findings to present-day commercial dosimeters and measurement practices in a metrology laboratory setting remains unknown.
1：Experimental Design and Method Selection:
The study involved measuring the alanine pellet dosimeter response up to seven years post-irradiation and examining the effects of environmental influence quantities on the short-term stability of both pellet and film commercial dosimeters.
2：Sample Selection and Data Sources:
Alanine pellet dosimeters (Lot T030901) and alanine film dosimeters (Lot B339) were used.
3：List of Experimental Equipment and Materials:
Bruker Biospin ECS106 and EMX EPR spectrometers, Gammacell 220 60Co irradiators.
4：Experimental Procedures and Operational Workflow:
Dosimeters were irradiated and their responses measured over time under both protected and unprotected conditions.
5：Data Analysis Methods:
The EPR response was corrected for dosimeter mass and normalized to an in situ ruby reference standard.
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