Rapid determination of ammonia nitrogen concentration in biogas slurry based on NIR transmission spectroscopy with characteristic wavelength selection
Zhiqiang Wang, Xuefeng Wang, Guang-Ping Zhong, Jinming Liu, Yong Sun, Cai Zhang
Topics & Concepts
BiogasPartial least squares regressionChemometricsSlurryNear-infrared spectroscopyResidualAnaerobic digestionMean squared errorSampling (signal processing)SpectroscopyWavelengthFeature selectionCoefficient of determinationBiological systemEnvironmental scienceMaterials scienceComputer scienceMathematicsChemistryAlgorithmStatisticsEnvironmental engineeringTelecommunicationsWaste managementOpticsEngineeringMethaneOptoelectronicsArtificial intelligencePhysicsMachine learningQuantum mechanicsDetectorBiologyOrganic chemistrySpectroscopy and Chemometric AnalysesWater Quality Monitoring and AnalysisSpectroscopy Techniques in Biomedical and Chemical Research