As expected, in considered samples the PAHs from
naphtalenes to pyrenes were prevailing.
Results of the uncertainties in the emission rates (hot+cold) for the different types of roads 90% probability range of the emission estimates [%]* Pollutant Urban streets Interurban road Highways (-) (+) (-) (+) (-) (+) PM -28.1 44.7 -11.6 30.9 -15.7 8.8 Acetaldehyde -24.7 50.7 -16.3 28.1 -2.0 1.7 Acrolein -26.6 53.2 -14.9 25.3 -2.0 1.7 Benzene -22.6 43.4 -23.7 40.2 -5.3 6.1 1,3-butadiene -33.2 70.4 -21.3 36.5 -3.0 3.5 Formaldehyde -36.8 65.7 -16.7 28.6 -2.1 2.0
Naphtalene -0.7 0.6 -0.7 0.6 -0.8 0.7 Notes: (-) = ((5th percentile-mean) / mean) x 100; (+) = ((95th percentile-mean) / mean) x 100
The typical coupling constants (8, 7, and 1.3 Hz) indicated a
naphtalene ring system.
The influence of a superplasticiser on mix air-entrainment (Mosquet 2003) New Generation SP type LS SNF SMF Superplasticisers PCP AAP Air-content ++ + 0 ++ ++ Here: LS--lignosulfian; SNF--sulfonated
Naphtalene Formal-dehyde Condensate; SMF--Sulfonated Melanine Formaldehyde Condensate; PCP--PolyCarboxylate Polyoxyethylene, AAP--Amino Phosphonate Polyoxyethylene; ++ means high influence, + means medium influence, 0 means no influence.
Danso KE, Ayeh KO, Oduro V, Amiteye S, Amoatey HM (2008) Effect of 6-Benzylaminopurine and
Naphtalene Acetic Acid on In vitro production of MD2 pineapple planting materials.
Purification and characterization of a novel
naphtalene dioxygenase from Rhodococcus sp.