辐射防护通讯
輻射防護通訊
복사방호통신
RADIATION PROTECTION BULLETIN
2014年
2期
20-23
,共4页
刘明健%罗明%闫学昆%谷铁男
劉明健%囉明%閆學昆%穀鐵男
류명건%라명%염학곤%곡철남
水中放射性%溴化镧探测器%效率刻度
水中放射性%溴化鑭探測器%效率刻度
수중방사성%추화란탐측기%효솔각도
Radioactivity in water%Lanthanum bromide detector%Efficiency calibration
针对水中放射性就地测量设备的效率刻度问题,提出一种用点源替代液体源进行效率刻度的方法。通过蒙卡计算,分别得到溴化镧探测器对点源和体源的光电峰计数概率,并建立起点源与体源效率刻度的对应关系,以便于在实际应用中简化水中放射性监测设备的效率刻度。
針對水中放射性就地測量設備的效率刻度問題,提齣一種用點源替代液體源進行效率刻度的方法。通過矇卡計算,分彆得到溴化鑭探測器對點源和體源的光電峰計數概率,併建立起點源與體源效率刻度的對應關繫,以便于在實際應用中簡化水中放射性鑑測設備的效率刻度。
침대수중방사성취지측량설비적효솔각도문제,제출일충용점원체대액체원진행효솔각도적방법。통과몽잡계산,분별득도추화란탐측기대점원화체원적광전봉계수개솔,병건립기점원여체원효솔각도적대응관계,이편우재실제응용중간화수중방사성감측설비적효솔각도。
To address the problems in efficiency calibration of in-situ radioactivity measuring equipment ,an approach to efficiency calibration was presented using point source in lieu of liquid volume source .Through Monte Carlo calculation , photoelectric count efficiency of lanthanum bromide detector to point and volume sources are obtained respectively and the relationship of calibration efficiency were established between point and volume sources for simplified use of efficiency calibration in practice .