6.High mass resolution spectrometer for isotope seperator on line(ISOL) in(Beijing) radioactive ion-beam facilities(BRIF) project requires mass resolving power of(20 000).
13串列升级工程中的在线同位素离(ISOL)高质量仪要求20000的质量率。
7.The theory of medical microtron is introduced.The theory of medical runway microtron is expressed and its characteristics are compared with electron linear accelerator.