CAJ | 학술논문

随着我国核设施的大力建设，环境辐射的长期连续监测愈来愈重要。针对国内环境γ辐射监测的需求，基于高气压电离室，设计了微弱电流测量电路，搭建了环境γ辐射连续监测系统，并测试了该系统的量程、温度系数、分辨率、稳定性等指标。测试结果表明该系统在室外环境下，工作稳定可靠，具有很低的温度系数，可用于常规和核事故情况下的γ辐射本底监测。
수착아국핵설시적대력건설，배경복사적장기련속감측유래유중요。침대국내배경γ복사감측적수구，기우고기압전리실，설계료미약전류측량전로，탑건료배경γ복사련속감측계통，병측시료해계통적량정、온도계수、분변솔、은정성등지표。측시결과표명해계통재실외배경하，공작은정가고，구유흔저적온도계수，가용우상규화핵사고정황하적γ복사본저감측。
According to the requirements of the civil environmental γradiation monitoring , we designed an envi-ronmental γradiation monitor system based on the high pressure ionization chamber and the ultra low current measurement circuit , and tested its dynamic range , temperature coefficient , resolution and reliability .The γradiation monitor system can work reliably in outdoor environment , and can be used to monitor γradiation level at both normal and accidental situations .