IEC 60951-4-2009
核电站.重要安全性仪器仪表.事故及事故后环境的辐射监测.第4部分:流程中放射能的线内或线上监控设备
Nuclear power plants - Instrumentation important to safety - Radiation monitoring for accident and post accident conditions - Part 4: Equipment for continuous in-line or on-line monitoring of radioactivity in process streams