共 50 条
- [2] SYNTHESIS OF N-15-LABELED UREA AND METHYLENEDIUREA JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, 1985, 22 (12): : 1251 - 1259
- [5] RECOVERY OF N-15-LABELED FERTILIZERS IN FIELD EXPERIMENTS SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1972, 36 (01): : 82 - +
- [10] GASTRIC-EMPTYING REGULATES THE KINETICS OF NITROGEN ABSORPTION FROM N-15-LABELED MILK AND N-15-LABELED YOGURT IN MINIATURE PIGS JOURNAL OF NUTRITION, 1994, 124 (10): : 1970 - 1977