摘要
在小型氡混合室对抓取测量、连续测量和累积测量三种方法及仪器测量结果进行了比较。与优化五段法相比,对于222Rn平衡当量浓度,BWLM连续测量仪和24 h累积探测器测量结果分别高出其31%和29%,Wlx仪偏低20%左右;对于220Rn平衡当量浓度,FJ414-142低本底闪烁探测器和KF-602D氡子体测量仪的测量结果分别偏高86%和18%,BWLM连续测量仪和24 h累积探测器测量结果分别偏高28%和36%,Wlx仪偏低5%左右。对于这几种方法和仪器测量数据之间的差异,须进一步研究。
In this paper,comparisons were made among three methods of measurement（grab measurement,continuous measurement and integrating measurement） and also measurements of different instruments for a radon/thoron mixed chamber.Taking the optimized five-segment method as a comparison criterion,for the equilibrium-equivalent concentration of 222 Rn,measured results of BWLM and 24 h integrating detectors are 31% and 29% higher than the criterion,the results of Wlx, however,is 20% lower;and for 220 Rn progeny,the results of FJ414-142,KF-602D,BWLM and 24 h integrating detector are 86%,18%,28% and 36% higher than the criterion respectively,except that of WLx,which is 5% lower.For the differences shown,further research is needed.
出处
《辐射防护》
CAS
CSCD
北大核心
2012年第1期53-59,64,共8页
Radiation Protection
关键词
222Rn子体
220Rn子体
抓取测量
连续测量
累积测量
222 Rn progeny
220 Rn progeny
grab sample measurement
continuous measurement
integrating measurement
