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| 电子直线加速器辐射环境监测与评价 |
| Monitoring and Evaluation of Radiation Environment of Electron Linear Accelerator |
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| DOI： |
| 中文关键词: 辐射监测 辐射安全 电子直线加速器 辐射剂量率 |
| 英文关键词: Radiation monitoring Radiation safety Electron linear accelerator Radiation dose rate |
| 基金项目:国家自然科学基金资助项目（NSFC11375182）；生态环境部核与辐射安全监管基金资助项目（环办核设函〔2021〕239号）；深圳市科技创新委员会基础研究面上基金资助项目（JCYJ2021032414081203） |
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| 中文摘要: |
| 以医用放射治疗、货物/车辆安全检查、工业辐照3类电子直线加速器作为研究对象，通过辐射环境剂量率监测，掌握不同类型加速器周围和不同关注点位的辐射环境状况，对监测数据做单因素方差分析和Bonferroni相关性分析。结果表明，虽然3类电子直线加速器的辐射环境监测剂量率数据均低于相关标准限值，但安全检查类电子直线加速器出入口及其侧防护墙位置与其他类关注点位的周围剂量当量率水平有显著差异。 |
| 英文摘要: |
| Taking three types of electron linear accelerators of medical radiation therapy， cargo/vehicle safety inspection and industrial irradiation as the research objects， the radiation environmental conditions around different types of accelerators and different sensitive sites were studied through radiation dose rate monitoring， and one way ANOVA and Bonferroni correlation analysis were performed on the monitoring data. The results showed that although the radiation dose rates of the three types of electron linear accelerators were all below the standard limits， 〖JP2〗the surrounding does equivalent rates of security inspection electron linear accelerators were significantly different at their entrances and exits and side protective wall positions, and other sensitive sites. |
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