Search Results - "Krim, Lahouari"

A possible answer to the mysterious non-detection of hydroxylamine in space: the thermal desorption mechanism by Jonusas, Mindaugas, Krim, Lahouari

“…The presence of NH2OH, one of the main precursors in the formation of amino-acids, on dust grain mantles, may be the most obvious elucidation for the creation…”
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N + H surface reaction under interstellar conditions: Does the NH/NH2/NH3 distribution depend on N/H ratio? by Jonusas, Mindaugas, Leroux, Killian, Krim, Lahouari

“…Astronomical observations have already reported that the abundances of NH, NH2, and NH3 cannot be explained with gas phase chemistry modeling and depend…”
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Production and isolation of OH radicals in water ice by Zins, Emilie-Laure, Joshi, Prasad Ramesh, Krim, Lahouari

“…OH radicals may play an important role in reactions that take place on interstellar icy grain surfaces, due to their high reactivity. Unfortunately, laboratory…”
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An FTIR study on the catalytic effect of water molecules on the reaction of CO successive hydrogenation at 3K by Pirim, Claire, Krim, Lahouari

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Femtosecond electronic relaxation of excited metalloporphyrins in the gas phase by Sorgues, Sébastien, Poisson, Lionel, Raffael, Kevin, Krim, Lahouari, Soep, Benoit, Shafizadeh, Niloufar

“…A systematic study of the ultrafast decay of metalloporphyrins containing various transition metals with partially filled 3d shells and zinc (3d filled) is…”
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Thermal and photochemical study of CH3OH and CH3OH–O2 astrophysical ices by Leroux, Killian, Krim, Lahouari

“…ABSTRACT Methanol, which is one of the most abundant organic molecules in the interstellar medium, plays an important role in the complex grain surface…”
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Formation of doubly and triply bonded unsaturated compounds HCN, HNC, and CH2NH via N + CH4 low-temperature solid state reaction: from molecular clouds to solar system objects by Mencos, Alejandro, Krim, Lahouari

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The catalytic role of water in the photochemistry of ammonia ice: from diluted to concentrated phase by Jonusas, Mindaugas, Krim, Lahouari

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Isomerization and fragmentation of acetonitrile upon interaction with N( 4 S) atoms: the chemistry of nitrogen in dense molecular clouds by Mencos, Alejandro, Krim, Lahouari

“…We experimentally show that the reaction between ground state nitrogen atoms N(4S) and acetonitrile CH^sub 3^CN can lead to two distinct chemical pathways that…”
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Hydrogen addition reactions of a three-membered ring in the solid-state: c-C 3 H 2 O by Ibrahim, Mohamad, Guillemin, Jean-Claude, Krim, Lahouari

“…Due to the relatively high abundance of hydrogen radicals in the interstellar medium, the Haddition reaction of unsaturated organic molecules in the solid…”
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The impact of fossil jet fuel emissions at altitude on climate change: A life cycle assessment study of a long-haul flight at different time horizons by Gaillot, Tiphaine, Beauchet, Sandra, Lorne, Daphné, Krim, Lahouari

“…Air traffic has increased by about 60% between 2011 and 2019 and climate forcers from aviation have also increased, resulting in a strong impact on climate…”
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The chemical stability of CH3OH on cold interstellar grains: heat-induced dehydrogenation processes of methanol by Nourry, Sendres, Krim, Lahouari

“…In interstellar media, stable hydrogen-containing molecules, like CH3OH, may be easily dissociated following irradiation by energetic cosmic rays, to form…”
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Hydrogen addition reactions of a three-membered ring in the solid state: c-C3H2O by Ibrahim, Mohamad, Guillemin, Jean-Claude, Krim, Lahouari

“…Abstract Due to the relatively high abundance of hydrogen radicals in the interstellar medium, the H-addition reaction of unsaturated organic molecules in the…”
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Isomerization and fragmentation of acetonitrile upon interaction with N( super( 4)S) atoms: the chemistry of nitrogen in dense molecular clouds by Mencos, Alejandro, Krim, Lahouari

“…We experimentally show that the reaction between ground state nitrogen atoms N(4S) and acetonitrile CH sub( 3)CN can lead to two distinct chemical pathways…”
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Hydrogenation of glycolaldehyde to ethylene glycol at 10 K by Leroux, Killian, Guillemin, Jean-Claude, Krim, Lahouari

“…ABSTRACT Glycolaldehyde, the simplest sugar, is a complex organic molecule detected in many regions of the interstellar medium (ISM). Although its synthetic…”
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VUV photopolymerization of ketene under interstellar conditions: from the dilute phase to the condensed phase by Ibrahim, Mohamad, Guillemin, Jean-Claude, Krim, Lahouari

“…ABSTRACT The photodecomposition of ketene under interstellar conditions and how the resulting photofragments may recombine in the 3–300 K temperature range…”
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The chemical stability of CH^sub 3^OH on cold interstellar grains: heat-induced dehydrogenation processes of methanol by Nourry, Sendres, Krim, Lahouari

“…In interstellar media, stable hydrogen-containing molecules, like CH...OH, may be easily dissociated following irradiation by energetic cosmic rays, to form…”
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The chemical stability of CH 3 OH on cold interstellar grains: heat-induced dehydrogenation processes of methanol by Nourry, Sendres, Krim, Lahouari

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The chemical stability of CH sub( 3)OH on cold interstellar grains: heat-induced dehydrogenation processes of methanol by Nourry, Sendres, Krim, Lahouari

“…In interstellar media, stable hydrogen-containing molecules, like CH...OH, may be easily dissociated following irradiation by energetic cosmic rays, to form…”
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Diffusion and reactivity of ground-state nitrogen atoms N(4S) between 3 and 15 K: application to the hydrogen abstraction reaction from methane under non-energetic conditions by Nourry, Sendres, Krim, Lahouari

“…We have characterized the ... reaction in solid phase, at very low temperature, under non-energetic conditions and where the CH4 and N reactants are in their…”
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