共 7 条
- [1] RIEMAN WJ, 1942, QUANTITATIVE ANAL
- [2] A MASS SPECTROMETER AND THE MEASUREMENT OF ISOTOPE EXCHANGE FACTORS [J]. CANADIAN JOURNAL OF RESEARCH SECTION B-CHEMICAL SCIENCES, 1945, 23 (01): : 40 - 47
- [4] THODE HG, 1938, J CHEM PHYS, V6, P296
- [5] THODE HG, 1945, COMMUNICATION 0516
- [6] On the chemical differences between nitrogen isotopes [J]. PHYSICAL REVIEW, 1936, 50 (06): : 575 - 575
- [7] Concentration of N-15 by chemical methods [J]. JOURNAL OF CHEMICAL PHYSICS, 1937, 5 (11) : 856 - 872