Polycyclic aromatic hydrocarbon analysis. Combined gas chromatograph and mass selective detector (GC/MSD) being used for analysis of polycyclic aromatic hydrocarbons (PAHs) in samples of UK air. This analysis is part of the DEFRA (Departmentfor Environment Food and Rural Affairs) air quality network. Photographed in 2015, at the National Physical Laboratory, Teddington, UK.
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TOP16651684
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達志影像
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RM
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201521stcenturyairqualityanalysisanalyticalatmosphereatmosphericbritainbritishdefradepartmentforenvironmentfoodandruralaffairsenglandenglishenvironmentalsamplesenvironmentalscienceeuropeeuropeangaschromatographgcgc/msdlablaboratorylondonmassselectivedetectormsdnationalphysicallaboratoryno-onenobodynplpahpahsphysicspollutionpolycyclicaromatichydrocarbonpolycyclicaromatichydrocarbonsresearchteddingtonukunitedkingdom
201521staffairsairanalysisanalyticalandaromaticaromaticatmosphereatmosphericbritainbritishcenturychromatographdefradepartmentdetectorenglandenglishenvironmentenvironmentalenvironmentaleuropeeuropeanfoodforgasgcgc/msdhydrocarbonhydrocarbonskingdomlablaboratorylaboratorylondonmassmsdnationalno-onenobodynplpahpahsphysicalphysicspollutionpolycyclicpolycyclicqualityresearchruralsamplesscienceselectiveteddingtonukunited