摘要
本工作研制建立1套气体放射性活度绝对测量装置———内充气正比计数管系统。对该系统的坪特性、本底、死时间、端效应和壁效应等性能进行了测试。在此基础上,采用该系统对放射性气体87Kr的放射性活度浓度进行了绝对测量,测得值为40.64(1±0.9%)Bq/mL。
A internal gas proportional counting system for absolute measurement of gas radioactivity was established. The performances of the system, such as plateaus, background, deadtime, end effect and wall effect were well tested. Then the activity concentration of 87^ Kr was measured absolutely to be 40.64 （1±0.9 %） Bq/mL by this equipment.
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
2006年第4期443-446,共4页
Atomic Energy Science and Technology
