China Institute of Atomic Energy, Beijing 102413, China;
China Institute of Atomic Energy, Beijing 102413, China;
China Institute of Atomic Energy, Beijing 102413, China;
China Institute of Atomic Energy, Beijing 102413, China;
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China;
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China;
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China;
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China;
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China;
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China;
small angle x-ray scattering; supercritical fluid; anti-solvent process; polystyrene;