共 50 条
- [1] Measurement of supervoltage X-rays with the free-air ionization chamber [J]. JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1938, 21 (01): : 19 - 44
- [5] Diaphragm correction factors for free-air chamber standards for air kerma in x-rays [J]. PHYSICS IN MEDICINE AND BIOLOGY, 2009, 54 (09): : 2737 - 2745
- [6] AN AIR IONIZATION CHAMBER FOR SOFT X-RAYS [J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1949, 20 (12): : 903 - 907
- [7] Characterization of a free air ionization chamber for low energy X-rays [J]. 8TH BRAZILIAN CONGRESS ON METROLOGY (METROLOGIA 2015), 2016, 733
- [8] NBS FREE-AIR CHAMBER FOR MEASUREMENT OF 10 TO 60 KV X RAYS [J]. JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION C-ENGINEERING AND INSTRUMENTATION, 1965, C 69 (01): : 39 - +
- [9] THE NEW NPL STANDARD FREE-AIR IONIZATION-CHAMBER FOR X-RAYS GENERATED AT UP TO 50KV [J]. PHYSICS IN MEDICINE AND BIOLOGY, 1980, 25 (05): : 949 - 949