共 50 条
- [33] ULTRA-VIOLET IRRADIATION OF AIR SUPPLIES (WITH SPECIAL REFERENCE TO ULTRA-VIOLET INTENSITY MEASUREMENTS) [J]. JOURNAL OF APPLIED CHEMISTRY, 1952, 2 (02): : 68 - 71
- [34] Critical electron energies in helium, and the extreme ultra-violet spectrum [J]. PHILOSOPHICAL MAGAZINE, 1923, 45 (268): : 786 - 798