NB/T 20233-2013.Requirements of cleaning and cleanliness for components in steam supplying system of PWR nuclear power plant. 1范围 NB/T 20233规定了压水堆核电厂核

NB/T 20236-013.Nondestructive testing of weld of containment steel lining for pressurized water reactor nuclear power plant. 1范围 NB/T 20236规定了压水堆核电厂反应

NB/T 20239-2013.The specification of draw-up commissioning program for PWR nuclear power plants. 1范围 NB/T 20239规定了压水堆核电厂调试大纲的基本内容和编写要求。 NB/T 20239适用于压

NB/T 20252-2013.Design criteria for engineered-safety-feature air cleaning units in PWR nuclear power plants. 1范围 NB/T 20252规定了压水堆核电厂专设安全设施空气净化装置与部件的设

NB/T 20226-2013.Qualification of class 1E transformers for nuclear power plants. 1范围 NB/T 20226规定了安装在核电厂反应堆安全壳外的新制造的安全级(1E级)变压器在设计基准工况下执行所需安全功能的要求。 NB

NB/T 20227-2013.Qualification of switchgear assemblies for class 1E applications in nuclear power plants. 1范围 NB/T 20227规定了安装在核电厂反应堆安全壳外的户内安全级成套开关设备鉴定

NB/T 20228-2013.Type testing of measuring sensors and transducers of safety important instrumentation and control system for nuclear power plants. 1范围

NB/T 20231-2013.Design criteria for engineered safety features of pressurized water reactor nuclear power plants. 1范围 NB/T 20231规定了压水堆核电厂专设安全设施(以下简称“专

NB/T 20222-2013.Ageing management guideline of steam generator in PWR nuclear power plants. 1范围 NB/T 20222规定了压水堆核电厂立式U形传热管自然循环蒸汽发生器(Steam Genarator,以下

NB/T 20223-2013.Maintenance guide for safety critical mechanical equipments of nuclear power plant. 1范围 NB/T 20223给出了压水堆核电厂安全重要机械设备的定义及相应设备的维修策略。 NB/T