The kinetics of transfer of labeled atoms by reaction.
D000641:Ammonia; D055598:Chemical Phenomena; D002621:Chemistry; D003903:Deuterium; D006859:Hydrogen; D007554:Isotopes; D007700:Kinetics; D008433:Mathematics; D009584:Nitrogen
D007554:Isotopes; D000641:Ammonia; D006859:Hydrogen; D003903:Deuterium; D009584:Nitrogen