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Slower CCN growth kinetics of anthropogenic aerosol compared to biogenic aerosol observed at a rural site
CCN growth kinetics anthropogenic aerosol biogenic aerosol
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2010/1/18
Growth rates of water droplets were measured with a static diffusion cloud condensation chamber in May–June 2007 at a rural field site in Southern Ontario, Canada, 70 km north of Toronto. The observat...
Near-future levels of ocean acidification do not affect sperm motility and fertilization kinetics in the oyster Crassostrea gigas
Near-future levels ocean acidification sperm motility and fertilization kinetics the oyster Crassostrea gigas
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2010/1/21
An increasing number of studies are now reporting the effects of ocean acidification on a broad range of marine species, processes and systems. Many of these are investigating the sensitive early life...
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...
Kinetics of CO oxidation over Pt-CeOx supported on air-oxidized activated carbon
Carbon monoxide oxidation kinetics Pt-ceria catalysts activated carbon supports PROX
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2010/4/8
Kinetics of low-temperature CO oxidation was studied under atmospheric pressure at 383 K in the initial rates region over 1wt%Pt-1wt%CeOx supported on air-oxidized activated carbon (AC2). Feed concent...
The kinetics of erythromycin fermentation an air-1ift bioreactor
erythromycin fermentation process control kinetics
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2009/10/29
Abstract：The kinetics of erythromycin fermentation in an air—lift bioreactor was studied．According to the kinetic equations．feeding strategies，the optimum process control parameters，the ratio of C／N(c...
Inter Hydrogen Bonded Complexes of Hexadecylaniline and Alkoxy Benzoic Acids : A Study of Crystallization Kinetics
16A+nBA Induced Smectic Phases Crystallization Kinetics Inter Hydrogen Bonding
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2010/7/8
Inter Hydrogen Bonded Complexes of Hexadecylaniline and Alkoxy Benzoic Acids : A Study of Crystallization Kinetics.
Cloud condensation nuclei measurements in the marine boundary layer of the Eastern Mediterranean: CCN closure and droplet growth kinetics
marine boundary layer Eastern Mediterranean CCN closure droplet growth kinetics
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2009/9/27
Measurements of cloud condensation nuclei (CCN) concentrations (cm−3) between 0.2 and 1.0% supersaturation, aerosol size distribution and chemical composition were performed at a remote marine s...
Nonextensive statistical mechanics applied to protein folding problem: kinetics aspects
Protein folding problem Stereo-chemical model Monte Carlo simulation q-Gaussian Protein folding time
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2010/7/5
The study focuses mainly kinetic aspects of the folding problem related with the protein folding time, represented in this work by the concept of first passage time (FPT). Many distinct proteins, whos...
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...
Relating CCN activity, volatility, and droplet growth kinetics of β-caryophyllene secondary organic aerosol
Relating CCN activity kinetics β-caryophyllene secondary organic aerosol
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2009/3/13
This study investigates the droplet formation characteristics of secondary organic aerosol (SOA) formed during the ozonolysis of sesquiterpene β-caryophyllene (with and without hydroxyl radicals prese...
Kinetics of the gas-phase reactions of OH radicals with alkanes and cycloalkanes
Kinetics gas-phase reactions OH radicals alkanes cycloalkanes
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2009/3/11
The available database concerning rate constants for gas-phase reactions of the hydroxyl (OH) radical with alkanes through early 2003 is presented over the entire temperature range for which measureme...
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...
Kinetics and mechanism of the uptake of N2O5 on mineral dust at 298 K
Kinetics mechanism N2O5 mineral dust
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2009/2/19
The heterogeneous reaction of N2O5 with mineral (Saharan) dust has been studied at T=298 K using a combination of Knudsen and DRIFTS cells for kinetic and product investigations, respectively. The ini...
Kinetics and mechanism of heterogeneous oxidation of sulfur dioxide by ozone on surface of calcium carbonate
Kinetics and mechanism heterogeneous oxidation sulfur dioxide calcium carbonate
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2009/1/12
Sulfate particles play a key role in the air quality and the global climate, but the heterogeneous formation mechanism of sulfates on surfaces of atmospheric particles is not well established. Carbona...
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 ...