Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
cooling-storage-ring; ultra-high vacuum system; vacuum degassing; bake-out;