[PDF] Top 20 Kinetics of the gas-phase reactions of OH radicals with alkanes and cycloalkanes

... Because of significantly different temperature dependencies in the studies conducted, the recommended rate expression leads to a 298 K rate constant ∼10% higher than room temperature .... The ... Voir le document complet

... Chemical kinetics and photochemical data for use in strato- spheric modeling, ...P., and Sillesen, A.: Kinetics of the reaction of OH with ethane and ... Voir le document complet

... During the Cl atom reaction with CH 3 Cl OH radicals will eventually be generated from the HO 2 radicals and thereby influence the ...modelled the reac- ... Voir le document complet

... where alkanes were the dominant class of ...some reactions. T he rate coefficients for the reactions of alkanes with NO 3 radicals are relatively ... Voir le document complet

... Cl and CD 3 Cl with OH radicals and Cl atoms were studied in relative rate experiments at 298±2 K and 1013±10 ...mbar. The reactions were carried out in a smog ... Voir le document complet

... Gilbert and co-workers 5 applied variational transition state theory for a model metal surface system and predicted that, in some cases, entropic constraints associated with adsorption can dominate ... Voir le document complet

... characterized the volatile organic compounds (VOC) that evolved from OH oxidation of a BES film by coated-wall flow tube-CIMS 10 coupled to a PTR-MS, from which the results will only briefly ... Voir le document complet

... Photolysis of Cl 2 -O 2 mixtures at 181–200 K and with O 2 pressures of 20–53 ...Detection of Cl( 2 P 3/2 ) atoms. An equilibrium constant for the reaction of K p ... Voir le document complet

... Abstract. The distinguishing mechanism of formation of secondary organic aerosol (SOA) is the partitioning of semivolatile hydrocarbon oxidation products between the gas ... Voir le document complet

... which gas-phase reactions are suppressed, ...40% and high temperatures above 1200K. The catalytic CH 4 conversion increases with increasing fuel ...when the ... Voir le document complet

... number of product studies have been carried out at room temperature and atmospheric pressure of air (see Atkinson and Arey, 2003b, and references ...therein). The reaction ... Voir le document complet

... describing the data review process for our ...average of several studies if more than one determination was ...temperature, and where the temperature dependence can be described adequately by ... Voir le document complet

... as the theoretical rate calculations all find that water catalysis in the OH + CH 3 OH gas-phase reaction is insignificant at room ...about the origin of the ... Voir le document complet

... first and second generation metath- esis catalysts must dissociate a phosphine ligand to generate the active coordinatively-unsaturated 14 elec- tron ...result, the relative binding energy of ... Voir le document complet

... kinematics and dynamics 1. Introduction In recent years a growing number of organic molecules have been detected in space, in particular in the interstellar medium (ISM) thanks to advances in ... Voir le document complet

... fragments of the more complicated biochemical compounds. 1-8 The combination of mass spectrometry techniques and density functional theory calculations have proved to be a good ... Voir le document complet

... noted, the most important fundamental aspect of SOA formation is the equilibrium distribution of semivolatile oxidation products between the gas and particle ...data ... Voir le document complet

... summarizes the assigned chemical formulas for the product masses and associated error in calculated ...quantify the relative ionization ef- ficiencies for BES and particle-phase ... Voir le document complet

... Effect of lengthening the analysis period from successive hydrocarbon measurement points (1-point, top panel) to every fifth hydrocarbon measurement point (5-point, lower ...Scatter and noise are ... Voir le document complet

... by the excitation laser beam could also lead to artefact OH generation; however no signif- icant levels of OH were detected (<1×10 6 molecule cm − 3 ) at the start of each ... Voir le document complet