搜索结果: 1-9 共查到“大气化学 Kinetics”相关记录9条 . 查询时间(0.079 秒)
Different photolysis kinetics at the surface of frozen freshwater vs. frozen salt solutions
Different photolysis kinetics frozen freshwater frozen salt solutions
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2010/11/30
Reactions at air-ice interfaces can proceed at very different rates than those in aqueous solution, due to the unique disordered region at the ice surface known as the quasi-liquid layer (QLL) . The p...
Heterogeneous reactions of carbonyl sulfide on mineral oxides: mechanism and kinetics study
carbonyl sulfide mineral oxides mechanism and kinetics study
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2010/11/29
The heterogeneous reactions of carbonyl sulfide (OCS) on the typical mineral oxides in the mineral dust particles were investigated using a Knudsen cell flow reactor and a diffuse reflectance UV-vis s...
Water-soluble SOA from Alkene ozonolysis: composition and droplet activation kinetics inferences from analysis of CCN activity
Water-soluble SOA droplet activation kinetics inferences CCN activity
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2010/2/21
Cloud formation characteristics of the water-soluble organic fraction (WSOC) of secondary organic aerosol (SOA) formed from the ozonolysis of alkene hydrocarbons (terpinolene, 1-methlycycloheptene and...
Kinetics and mechanisms of heterogeneous reaction of NO2 on CaCO3 surfaces under dry and wet conditions
heterogeneous reaction CaCO3 surfaces dry wet
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2010/2/1
With increasing NO2 concentration in the troposphere, the importance of NO2 reaction with mineral dust in the atmosphere needs to be evaluated. Until now, little is known about the reaction of NO2 wit...
Sensitivity of polar stratospheric ozone loss to uncertainties in chemical reaction kinetics
polar stratospheric ozone uncertainties chemical reaction kinetics
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2009/11/19
The impact and significance of uncertainties in model calculations of stratospheric ozone loss resulting from known uncertainty in chemical kinetics parameters is evaluated in trajectory chemistry sim...
Organic nitrate and secondary organic aerosol yield from NO3 oxidation of β-pinene evaluated using a gas-phase kinetics/aerosol partitioning model
Organic nitrate secondary organic aerosol gas-phase kinetics/aerosol partitioning model
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2009/3/13
The yields of organic nitrates and of secondary organic aerosol (SOA) particle formation were measured for the reaction NO3+β-pinene under dry and humid conditions in the atmosphere simulation chamber...
Ozone decomposition kinetics on alumina: effects of ozone partial pressure, relative humidity and repeated oxidation cycles
Ozone decomposition kinetics alumina ozone partial pressure relative humidity repeated oxidation cycles
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2009/3/3
The room temperature kinetics of gas-phase ozone loss via heterogeneous interactions with thin alumina films has been studied in real-time using 254nm absorption spectroscopy to monitor ozone concentr...
The heterogeneous chemical kinetics of N2O5 on CaCO3 and other atmospheric mineral dust surrogates
heterogeneous chemical kinetics N2O5 CaCO3 atmospheric mineral dust surrogates
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2009/1/6
Uptake experiments of N2O5 on several mineral dust powder samples were carried out under continuous molecular flow conditions at 298±2 K. At [N2O5]0=(4.0±1.0)×1011 cm−3 we have found γss values ...
Daytime tropospheric loss of hexanal and trans-2-hexenal: OH kinetics and UV photolysis
tropospheric loss hexanal trans-2-hexenal OH kinetics UV photolysis
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2008/12/4
The ultraviolet (λ=250–370 nm) photolysis and the OH-initiated oxidation of hexanal and trans-2-hexenal, which are relevant atmospheric processes, have been investigated at room temperature and as a f...