期间核查,顾名思义就是在2次校准之间对使用的仪器设备、参考标准、基准、传递标准或工作标准以及标准物质进行核查[1]。CNAS-CL01《检测和校准实验室能力认可准则》(等同采用ISO/IEC17025)中5.5和5.6条款中都提到了期间核 Period of verification, as the name suggests is that between the two calibration of the use of equipment, reference standards, benchmarking, delivery standards or standards of work and standard material verification [1]. CNAS-CL01 “Testing and Calibration Laboratory Accreditation Criteria” (equivalent to use ISO / IEC17025) in terms of 5.5 and 5.6 are mentioned in the period nuclear