本文探讨了在确保SIS(Safety Instrumented System,安全仪表系统)的安全完整性等级,并遵守SIS系统的安全生命周期标准的前提下,如何实现SIS与BPCS(Basic Process Control System,基本过程控制系统)共用同一台阀门、电动机泵或传感器。当...本文探讨了在确保SIS(Safety Instrumented System,安全仪表系统)的安全完整性等级,并遵守SIS系统的安全生命周期标准的前提下,如何实现SIS与BPCS(Basic Process Control System,基本过程控制系统)共用同一台阀门、电动机泵或传感器。当SIS和BPCS共享设备导致操作模式从较低需求转变为持续运行模式时,文中强调了相关组件的维护程序和策略必须相应调整的重要性。并进一步分析了在不同场景下SIS与BPCS共享设备的几种可行配置方案,并通过实例展示了信号连接的具体方法。展开更多
Dear Editor,Body protection compound (BPC) 157 is a stable gastric pentadecapeptide. Predrag Sikiric’s team has carried out many investigations of its cytoprotective effects in different organs and tissues (1, 2)Thei...Dear Editor,Body protection compound (BPC) 157 is a stable gastric pentadecapeptide. Predrag Sikiric’s team has carried out many investigations of its cytoprotective effects in different organs and tissues (1, 2)Their evidence indicates that BPC157 has potent cytoprotection in neural injury and gastrointestinal (GI) ulcers. Nevertheless.展开更多
文摘本文探讨了在确保SIS(Safety Instrumented System,安全仪表系统)的安全完整性等级,并遵守SIS系统的安全生命周期标准的前提下,如何实现SIS与BPCS(Basic Process Control System,基本过程控制系统)共用同一台阀门、电动机泵或传感器。当SIS和BPCS共享设备导致操作模式从较低需求转变为持续运行模式时,文中强调了相关组件的维护程序和策略必须相应调整的重要性。并进一步分析了在不同场景下SIS与BPCS共享设备的几种可行配置方案,并通过实例展示了信号连接的具体方法。
基金supported by a JMEY International collaboration Grant(020002015)
文摘Dear Editor,Body protection compound (BPC) 157 is a stable gastric pentadecapeptide. Predrag Sikiric’s team has carried out many investigations of its cytoprotective effects in different organs and tissues (1, 2)Their evidence indicates that BPC157 has potent cytoprotection in neural injury and gastrointestinal (GI) ulcers. Nevertheless.