共 50 条
- [21] Influence of sedimentary organic matter on dissolved fulvic acids in groundwater - Significance for groundwater dating with C-14 in dissolved organic matter [J]. ISOTOPES IN WATER RESOURCES MANAGEMENT, VOL 1, 1996, : 57 - 72
- [26] Biosynthetic production of C-13 and C-14 erythronolide labeled erythromycin A [J]. JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, 1997, 39 (01): : 59 - 67
- [27] SYNTHESIS OF C-14 AND C-13 LABELED CHLORINATED POLYCYCLIC PESTICIDES [J]. JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, 1979, 16 (02): : 295 - 306
- [28] C-14 AND C-13 LABELING OF 4-TERT-BUTYLANILINOCHLOROETHYLUREA [J]. JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, 1993, 33 (11): : 1079 - 1082
- [29] C-13 BREATH TEST AS EXTENTION OF C-14 BREATH TEST [J]. JOURNAL OF NUCLEAR MEDICINE, 1976, 17 (06) : 551 - 551
- [30] COMPARISON OF PYROLYSIS GC/MS AND C-13 NMR FOR CHARACTERIZATION OF NATURAL ORGANIC-MATTER AND ITS REACTIVITY WITH CHLORINE [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1995, 210 : 219 - ENVR