تصفح Environmental Science Center حسب الموضوع "NO-to-NO2 ratio"
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BTEX, nitrogen oxides, ammonia and ozone concentrations at traffic influenced and background urban sites in an arid environment
( Elsevier , 2019 , Article)Spatial distribution of key air pollutants were studied in Doha, Qatar, over the course of two monitoring campaigns in early spring, 2016. Time-weighted averages of BTEX components (benzene, toluene, ethyl-benzene, ...