共 50 条
- [43] SPIN-SPIN COUPLINGS IN DOUBLY N-15 LABELED UREA AND 1,3-DIMETHYLUREA [J]. ORGANIC MAGNETIC RESONANCE, 1976, 8 (07): : 384 - 386
- [45] N-15 ABUNDANCE OF FORESTS IS CORRELATED WITH LOSSES OF NITROGEN [J]. PLANT AND SOIL, 1993, 157 (01) : 147 - 150
- [46] UREA UTILIZATION IN GROWING LAMBS .6. N BALANCES WITH N-15 UREA [J]. ARCHIV FUR TIERERNAHRUNG-ARCHIVES OF ANIMAL NUTRITION, 1988, 38 (01): : 53 - 65
- [47] Effects of Different Fertilization Practice on Use Efficiency and Gaseous Losses of Labeled Fertilizer 15N [J]. PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL II, PTS A AND B, 2009, : 1919 - 1922
- [50] NMR SPECTROSCOPIC STUDIES OF N-15 LABELED PHENYLAMIDOCHLOROCYCLOTETRAPHOSPHAZENES [J]. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1983, 504 (09): : 138 - 146