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兰州重离子加速器冷却储存环超高真空样机日前经过成果鉴定,真空度达到5×10~(-10)Pa,超过了1×10~(-9)Pa 的设计指标,这在我国同类大型真空系统中为首例,创造了我国同类大型真空系统的最高指标。该项成果是由中国科学院近代物理研究所高级工程师杨晓天领导的课题组完成的,他们采用超高真空清洗、先进的高温真空除气及在线烘烤相结合的工艺,使材料出气
Lanzhou heavy ion accelerator cooling storage ring ultrahigh vacuum prototype has been identified by the results, the vacuum reaches 5 × 10 ~ (-10) Pa, exceeding the 1 × 10 ~ (-9) Pa design specifications, which in our country similar large vacuum The first case in the system created the highest indicator of a similar large-scale vacuum system in our country. This achievement was accomplished by a research group headed by Yang Xiaotian, a senior engineer at the Institute of Modern Physics, Chinese Academy of Sciences. They used ultra-high vacuum cleaning, advanced high-temperature vacuum degassing and on-line baking to make the material vent