AmmoniaChromatography, High Pressure LiquidNitrosomonasCarbamoyl-Phosphate Synthase (Ammonia)NitrogenIonic LiquidsUreaHyperammonemiaGlutamate-Ammonia LigaseGlutamineChromatography, LiquidAmmonium ChlorideNitrogen RadioisotopesNitrificationLiquid CrystalsHydrogen-Ion ConcentrationGlutaminaseHepatic EncephalopathyManureAmino AcidsNitrosomonas europaeaGlutamate DehydrogenaseRumenPhenylalanine Ammonia-LyaseGillsQuaternary Ammonium CompoundsGlutamate SynthaseAcetyleneGlutamatesFatty Acids, VolatileMethionine SulfoximineArchaeaUreaseAcidosisNitrogen IsotopesOxidation-ReductionFish ProteinsMethylaminesAirBacteriaAnimal FeedOxidoreductasesUrea Cycle Disorders, InbornAminohydrolasesOncorhynchus mykissKetoglutaric AcidsPerseaNitrogen Compounds