The method that is used to analyse the poison gases in canister by neutron activity is proposed.Through theory analysis and experimental measurement, the feasibility for analysis of the poison gases in a canister by neutron activity has been demonstrated, and it is proved that the method itself do not result in radioactivity problem to use again the canister.%提出了用中子活化无损检测滤毒罐内化学毒物的方法,通过理论分析和实验测量,证明了用中子活化分析方法检测滤毒罐内化学毒物的可行性,并证明了这种检测方法不会给滤毒罐的使用带来放射性安全问题.
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