Search Results - "Howard, Carleton J"

Emissions of volatile organic compounds from cut grass and clover are enhanced during the drying process by de Gouw, Joost A., Howard, Carleton J., Custer, Thomas G., Fall, Ray

“…The release of volatile organic compounds (VOCs) by drying grass and clover leaves and stems was studied in the laboratory using proton‐transfer…”
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Proton-Transfer Chemical-Ionization Mass Spectrometry Allows Real-Time Analysis of Volatile Organic Compounds Released from Cutting and Drying of Crops by de Gouw, Joost A, Howard, Carleton J, Custer, Thomas G, Baker, Bradly M, Fall, Ray

“…The wounding and drying of plant material during crop harvest could be a significant source of volatile organic compounds (VOCs) that enter the atmosphere…”
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Do Hydrofluorocarbons Destroy Stratospheric Ozone? by Ravishankara, A. R., Turnipseed, Andrew A., Jensen, Niels R., Barone, Stephen, Mills, Michael, Howard, Carleton J., Solomon, Susan

“…Hydrofluorocarbons, many of which contain a CF$_3$ group, are one of the major substitutes for the chlorofluorocarbons and halons that are being phased out…”
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Rate Coefficients for the Reactions of Some C3 to C5 Hydrocarbon Peroxy Radicals with NO by Eberhard, Jürg, Howard, Carleton J

“…The rate coefficients for the gas-phase reactions of allyl-, tert-butyl-, cyclopentyl-, and 2-pentylperoxy radicals with NO have been measured at 297 ± 2 K in…”
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Gas-Phase Kinetics and Mechanism of the Reactions of Protonated Hydrazine with Carbonyl Compounds. Gas-Phase Hydrazone Formation:  Kinetics and Mechanism by Custer, Thomas G, Kato, Shuji, Bierbaum, Veronica M, Howard, Carleton J, Morrison, Glenn C

“…The gas-phase reactions of protonated hydrazine (hydrazinium) with organic compounds were studied in a selected ion flow tube−chemical ionization mass…”
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Measurement of the mass accommodation coefficient of ozone on aqueous surfaces by Utter, R. G, Burkholder, James B, Howard, Carleton J, Ravishankara, A. R

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Fast time response measurements of HNO3 in air with a chemical ionization mass spectrometer by Huey, L. Gregory, Dunlea, Edward J., Lovejoy, Edward R., Hanson, David R., Norton, Richard B., Fehsenfeld, Fred C., Howard, Carleton J.

“…A chemical ionization mass spectrometer has been developed for fast time response measurements of HNO3 in ambient air. The apparatus was characterized in an…”
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Selective detection of gas-phase aldehydes and ketones using protonated hydrazine by Morrison, Glenn C., Howard, Carleton J.

“…This article reports the results of the gas phase studies of protonated hydrazine, N 2H 5 +, reactions with different classes of organic compounds in a…”
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Direct Measurement of the Rate Coefficient for the CH2C(CH3)C(O)O2 + NO Reaction Using Chemical Ionization Mass Spectrometry by de Gouw, Joost A, Howard, Carleton J

“…In the troposphere, the CH2C(CH3)C(O)O2, or peroxymethacryl, radical is formed as an intermediate in the photooxidation of isoprene, one of the most important…”
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Reactions of SF6- and I- with Atmospheric Trace Gases by Huey, L. Gregory, Hanson, David R, Howard, Carleton J

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A Temperature-Dependent Kinetics Study of the CH3O2 + NO Reaction Using Chemical Ionization Mass Spectrometry by Villalta, Peter W, Huey, L. Gregory, Howard, Carleton J

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Gas-Phase Acidity of CF3OH by Huey, L. Gregory, Dunlea, Edward J, Howard, Carleton J

“…Ion−molecule reactions of CF3O-, CF3O, and CF3OH were studied using the flowing afterglow technique to evaluate the thermochemistry of CF3OH and related…”
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Reaction of Isopropyl Peroxy Radicals with NO over the Temperature Range 201−401 K by Eberhard, Jürg, Villalta, Peter W, Howard, Carleton J

“…The rate constant for the gas-phase reaction of isopropyl peroxy radicals with NO has been measured over the temperature range of 201−401 K using chemical…”
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Measurement of hydroxyl and hydroperoxy radical uptake coefficients on water and sulfuric acid surfaces by Hanson, David R, Burkholder, James B, Howard, Carleton J, Ravishankara, A. R

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Kinetic measurements using flow tubes by Howard, Carleton J

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Temperature Dependence of the Gas Phase Reactions of CF3O with CH4 and NO by Jensen, Niels R, Hanson, David R, Howard, Carleton J

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Kinetics of the Reactions of CF3O Radicals with CO and H2O by Turnipseed, Andrew A, Barone, Stephen B, Jensen, Niels R, Hanson, D. R, Howard, Carleton J, Ravishankara, A. R

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Reactions of CF3O- with Atmospheric Trace Gases by Huey, L. Gregory, Villalta, Peter W, Dunlea, Edward J, Hanson, David R, Howard, Carleton J

“…The rate coefficients and product yields for the reactions of CF3O- with ClONO2, HNO3, HCl, N2O5, SO2, HI, and H2O were measured at 295 K and ∼0.4 Torr using…”
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Kinetic study of the equilibrium HO2 + NO .dblarw. OH + NO2 and the thermochemistry of HO2 by Howard, Carleton J

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Kinetics and mechanisms of the reactions of methylthio, methylsulfinyl, and methyldithio radicals with ozone at 300 K and low pressures by Domine, Florent, Ravishankara, A. R, Howard, Carleton J

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