共 11 条
- [1] Catalan M A., 1922, PHILOS T ROYAL SOC L, VA223, P127
- [3] KAYSER H, 1894, WIEDEM ANN, V52, P93
- [4] KAYSER H, 1944, TABELLE SCHWINGUNGSZ
- [5] ARC AND SPARK SPECTRA OF TECHNETIUM [J]. JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1950, 45 (06): : 476 - 489
- [6] MOORE CE, 1951, NBS467 CIRC, V2
- [7] PRODUCTION AND PROPERTIES OF A LONG-LIVED RADIO-ISOTOPE OF ELEMENT-43 [J]. PHYSICAL REVIEW, 1947, 72 (12): : 1270 - 1270
- [8] Noddack W, 1925, NATURWISSENSCHAFTEN, V13, P567
- [9] PARKER GW, 1948, CNL1 CLIN NAT LAB