共 50 条
- [34] HIGH-FIELD N-15 NMR ANALYSIS OF N-15 LABELED DNA IN SOLUTION [J]. BIOPHYSICAL JOURNAL, 1987, 51 (02) : A77 - A77
- [35] EXAMPLES OF THE APPLICATION OF N-15 TRACER TECHNIQUE IN FERTILIZATION RESEARCH THROUGH EMISSION-SPECTROMETRIC ANALYSIS [J]. ISOTOPENPRAXIS, 1979, 15 (2-3): : 62 - 65
- [37] N-15 ISOTOPE SHIFTS OF THE VIBRATIONAL FREQUENCIES OF DL-ALANINE [J]. SPECTROCHIMICA ACTA, 1961, 17 (06): : 634 - 641
- [39] MEETING FOR METHODS OF MASS-SPECTROMETRIC ISOTOPE ANALYSIS [J]. PTB-MITTEILUNGEN, 1979, 89 (01): : 38 - 38
- [40] DETERMINATION OF N-15 AND TOTAL NITROGEN BY COUPLING OF AN EMISSION SPECTROMETRIC N-15-ANALYZER WITH AN AUTOMATIC N-ANALYZER [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1981, 307 (05): : 385 - 388