Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Georges Le Bras"'
Publikováno v:
Journal of Physical Chemistry A
Journal of Physical Chemistry A, 2010, 114 (2), pp.956-964. ⟨10.1021/jp910003a⟩
Journal of Physical Chemistry A, American Chemical Society, 2010, 114 (2), pp.956-964. ⟨10.1021/jp910003a⟩
Journal of Physical Chemistry A, 2010, 114 (2), pp.956-964. ⟨10.1021/jp910003a⟩
Journal of Physical Chemistry A, American Chemical Society, 2010, 114 (2), pp.956-964. ⟨10.1021/jp910003a⟩
International audience; The branching ratio β = k1b/k1a for the formation of ethyl nitrate, C2H5ONO2, in the gas-phase C2H5O2 + NO reaction, C2H5O2 + NO → C2H5O + NO2 (1a), C2H5O2 + NO → C2H5ONO2 (1b), was determined over the pressure and temper
Publikováno v:
Journal of Physical Chemistry A
Journal of Physical Chemistry A, American Chemical Society, 2007, 111 (37), pp.9047-9053. ⟨10.1021/jp074117m⟩
Journal of Physical Chemistry A, 2007, 111 (37), pp.9047-9053. ⟨10.1021/jp074117m⟩
Journal of Physical Chemistry A, American Chemical Society, 2007, 111 (37), pp.9047-9053. ⟨10.1021/jp074117m⟩
Journal of Physical Chemistry A, 2007, 111 (37), pp.9047-9053. ⟨10.1021/jp074117m⟩
A high-pressure turbulent flow reactor coupled with a chemical ionization mass-spectrometer was used to determine the branching ratio of the HO(2) + NO reaction: HO(2) + NO --OH + NO(2) (1a), HO(2) + NO --HNO(3) (1b). The branching ratio, beta = k(1b
Autor:
Véronique Daële, Abdelwahid Mellouki, Ian Barnes, Howard Sidebottom, Anne-Louise Holloway, Georges Le Bras, Jack Treacy
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 176:183-190
The kinetics of the reaction of OH radicals with 2,4-pentanedione and 3-methyl-2,4-pentanedione have been investigated in the gas-phase using a pulsed laser photolysis-laser induced fluorescence (PLP-LIF) technique. Hydroxyl radicals were generated f
Publikováno v:
Atmospheric Research. 74:477-505
The development of environmental policies to reduce the ozone levels around large agglomerations requires a good understanding of the development of ozone episodes. In particular, it is necessary to know the location and photochemical activity of the
Publikováno v:
Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2005, 7 (2), pp.334-341. ⟨10.1039/b414217a⟩
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2005, 7 (2), pp.334-341. ⟨10.1039/b414217a⟩
The reaction of HO2 with toluene and kerosene flame soot was studied over the temperature range 240–350 K and at P = 0.5–5 Torr of helium using a discharge flow reactor coupled to a modulated molecular beam mass spectrometer. A flat-flame burner
Publikováno v:
The Journal of Physical Chemistry A. 108:10807-10817
The reaction of NO 2 with toluene, kerosene, and hexane flame soot was studied over the temperature range 240-350 K using a low-pressure (a few Torr) flow reactor coupled to a modulated molecular beam mass spectrometer. Aflat-flame burner was used fo
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 168:103-108
The kinetics and mechanism of the reaction of nitrous acid (HONO) with F atoms have been studied using the mass spectrometric discharge-flow method at 298 K and at a total pressure of 130 Pa of helium. The rate coefficient of the reaction F+HONO→pr
Temperature Dependence of the Rate Constant for the Reaction F(2P) + Cl2 → FCl + Cl at T = 180−360 K
Autor:
Douglas A. Dalton, Yuri Bedjanian, F. L. Nesbitt, Regina J. Cody, Georges Le Bras, Véronique Riffault
Publikováno v:
Journal of Physical Chemistry A
Journal of Physical Chemistry A, American Chemical Society, 2004, 108 (10), pp.1726-1730. ⟨10.1021/jp030469r⟩
Journal of Physical Chemistry A, American Chemical Society, 2004, 108 (10), pp.1726-1730. ⟨10.1021/jp030469r⟩
The absolute rate constant for the reaction F(2P) with Cl2 has been measured using the discharge flow kinetics technique coupled to mass spectrometric detection at T = 180−360 K and 1 Torr He nominal pressure. Experiments were performed at NASA God
Autor:
Christian Vovelle, Yuri Bedjanian, Jean-Louis Delfau, Stéphane Lelièvre, Nicolas Pouvesle, Georges Le Bras
Publikováno v:
Phys. Chem. Chem. Phys.. 6:1181-1191
The reaction of ozone with toluene and kerosene flame soot was studied over the temperature range 240 to 350 K using a low pressure (a few Torr) flow reactor coupled to a modulated molecular beam mass spectrometer. A flat-flame burner was used for th
Presented here are authoritative and up-to-date assessments of the homogenous and heterogenous chemical and physical processes occuring in the troposphere and stratosphere, especially during the'ozone hole'event. The book begins with an overview of a