AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceHealth CareGeographicals
Positron-Emission TomographyOtoacoustic Emissions, SpontaneousTomography, Emission-ComputedVehicle EmissionsFluorodeoxyglucose F18NitrogenRadiopharmaceuticalsTomography, Emission-Computed, Single-PhotonDietFoodGreenhouse EffectNutritive ValueAnimal Nutritional Physiological PhenomenaFluorine RadioisotopesNutritional Physiological PhenomenaEnergy IntakeSpectrometry, FluorescenceSoilCarbonPhosphorusBiomassNutritional RequirementsDigestionCarbon FootprintAnimal FeedFertilizersMethaneAir PollutantsManureAtmosphereGlucoseEnvironmental MonitoringEcosystemMultimodal ImagingDietary ProteinsMicronutrientsCarbon RadioisotopesEutrophicationBrainTomography, X-Ray ComputedMineralsEatingVolatilizationPentanesCulture MediaDiet SurveysAmmoniaNutrition PolicyTime FactorsCarbon DioxideEnergy MetabolismDenitrificationModels, BiologicalFluorescent DyesDiet RecordsVitaminsNutritional StatusFluorescenceGasolineFossil FuelsDietary CarbohydratesFood AnalysisAgricultureNutrition AssessmentSpectrometry, X-Ray EmissionPlant RootsNitrous OxidePower PlantsVolatile Organic CompoundsCoalAmino AcidsDietary SupplementsLuminescencePhytoplanktonSensitivity and SpecificityDietary FiberFood HabitsCerebrovascular CirculationLuminescent MeasurementsGasesNitrogen CycleMagnetic Resonance ImagingDietary FatsReproducibility of ResultsModels, TheoreticalPlant LeavesOrganotechnetium CompoundsAir PollutionTrace ElementsTreesImage Processing, Computer-AssistedWaterSwineCrops, AgriculturalTemperatureCochleaEnergy-Generating ResourcesConservation of Energy ResourcesRuminantsRadioactive Tracers