在HIMM医用重离子加速器(Heavy Ion Medical Machine)中,回旋加速器的连锁保护功能针对离子源、高频、真空、电源、冷却水等子系统的连锁要求,设计实现了设备+PLC+软件三层结构的连锁系统,并保证连锁功能在系统断电、线缆连接故障、数...在HIMM医用重离子加速器(Heavy Ion Medical Machine)中,回旋加速器的连锁保护功能针对离子源、高频、真空、电源、冷却水等子系统的连锁要求,设计实现了设备+PLC+软件三层结构的连锁系统,并保证连锁功能在系统断电、线缆连接故障、数据传输异常等情况下的正常工作。连锁系统可实现硬连锁毫秒级、软连锁次秒级别的反应速度。整体功能在回旋调试过程中得到验证,保障了整个加速器的顺利供束。展开更多
It is generally believed that there is no dose-rate sparing effect for mammalian cells exposed to high-LET heavy ion beams. To clarify this ambiguity, human salivary gland (HSG) cells were irradiated with carbon ion b...It is generally believed that there is no dose-rate sparing effect for mammalian cells exposed to high-LET heavy ion beams. To clarify this ambiguity, human salivary gland (HSG) cells were irradiated with carbon ion beams supplied by the Heavy Ion Medical Accelerator in Chiba (HIMAC), Japan at a low dose rate of 0.展开更多
文摘在HIMM医用重离子加速器(Heavy Ion Medical Machine)中,回旋加速器的连锁保护功能针对离子源、高频、真空、电源、冷却水等子系统的连锁要求,设计实现了设备+PLC+软件三层结构的连锁系统,并保证连锁功能在系统断电、线缆连接故障、数据传输异常等情况下的正常工作。连锁系统可实现硬连锁毫秒级、软连锁次秒级别的反应速度。整体功能在回旋调试过程中得到验证,保障了整个加速器的顺利供束。
文摘It is generally believed that there is no dose-rate sparing effect for mammalian cells exposed to high-LET heavy ion beams. To clarify this ambiguity, human salivary gland (HSG) cells were irradiated with carbon ion beams supplied by the Heavy Ion Medical Accelerator in Chiba (HIMAC), Japan at a low dose rate of 0.
