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电子直线加速器辐射环境监测与评价

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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.
Monitoring and Evaluation of Radiation Environment of Electron Linear Accelerator
Taking three types of electron linear accelerators of medical radiation therapy,cargo/vehi-cle 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 monito-ring,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 be-low the standard limits,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.

Radiation monitoringRadiation safetyElectron linear acceleratorRadiation dose rate

时劲松、张金帆、黄仲明、陶扬

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广东省深圳生态环境监测中心站,广东 深圳 518049

鹏辐生态环境技术(深圳)有限公司,广东 深圳 518000

辐射监测 辐射安全 电子直线加速器 辐射剂量率

国家自然科学基金资助项目生态环境部核与辐射安全监管基金资助项目深圳市科技创新委员会基础研究面上基金资助项目

NSFC11375182环办核设函[2021]239号JCYJ2021032414081203

2024

环境监测管理与技术
江苏省环境监测中心,南京市环境监测中心站

环境监测管理与技术

CSTPCD北大核心
影响因子:1.086
ISSN:1006-2009
年,卷(期):2024.36(4)
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