Academic literature on the topic 'Réactions élémentaires'
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Journal articles on the topic "Réactions élémentaires":
Domingues de Almeida, José. "Réactions à la réaction. Brèves considérations sur le sens de l'épiphrase dans Les particules élémentaires de Michel Houellebecq." Çédille 3 (April 1, 2007): 179. http://dx.doi.org/10.21071/ced.v3i.5365.
Baroni, Raphaël. "Comment débusquer la voix d’un auteur dans sa fiction ? Une étude de quelques provocations de Michel Houellebecq." Arborescences, no. 6 (September 23, 2016): 72–93. http://dx.doi.org/10.7202/1037505ar.
Cosman, H. H. "Drugs and Aging, by William A. McKim and Brian L. Mishara, Butterworths Perspectives on Individual and Population Aging Series, Butterworth, 1987, $15.50, ISBN 0-409-89517-3." Canadian Journal on Aging / La Revue canadienne du vieillissement 8, no. 3 (1989): 308–9. http://dx.doi.org/10.1017/s0714980800008977.
Kalogirou, Jina. "L’enseignement des grands auteurs dans les écoles élémentaires de la Grèce : lecture et réaction." Repères 32, no. 1 (2005): 115–22. http://dx.doi.org/10.3406/reper.2005.2689.
DANDURAND, Pierre. "Pouvoir et autorité du professeur de l’enseignement public québécois." Sociologie et sociétés 2, no. 1 (September 30, 2002): 79–106. http://dx.doi.org/10.7202/001168ar.
Sanna, Fransesca. "La famille et l’OST: effets divergents de la rationalisation dans l’industrie 53 minière de l’Europe du Sud pendant l’entre-deux-guerres." Historical Review/La Revue Historique 15, no. 1 (May 20, 2019): 52. http://dx.doi.org/10.12681/hr.20445.
Marty, François. "Traumatisme et névrose de l’adolescence." Perspectives Psy 60, no. 1 (January 2021): 19–26. http://dx.doi.org/10.1051/ppsy/2021601019.
Solastiouk, B., A. Merlin, and X. Deglise. "Processus élémentaires en solution: Apports et limites de la théorie du complexe activé dans le cas d'un prééquilibre rapide d'échange protonique entre réactifs." Canadian Journal of Chemistry 71, no. 3 (March 1, 1993): 294–302. http://dx.doi.org/10.1139/v93-043.
Branchu, P., L. Bergonzini, M. Benedetti, J. P. Ambroisi, and J. Klerkx. "Sensibilité à la pollution métallique de deux grands lacs africains (Tanganyika et Malawi)." Revue des sciences de l'eau 18 (April 12, 2005): 161–80. http://dx.doi.org/10.7202/705582ar.
Abdelnour, Yolande. "Concept innovant de l'Interface à Collision et Réaction (CRI) pour la gestion des interférences polyatomiques en ICP-MS. Application au dosage multi élémentaire dans les matrices biologiques." Annales de Toxicologie Analytique 19, no. 1 (2007): 97–101. http://dx.doi.org/10.1051/ata:2007014.
Dissertations / Theses on the topic "Réactions élémentaires":
Peuch, Vincent-Henri. "Modélisation et simulation d'étapes élémentaires impliquées dans des réactions catalytiques." Lyon, École normale supérieure (sciences), 1996. http://www.theses.fr/1996ENSL0024.
Reignier, Denis. "Contributions théoriques à l'étude de quelques réactions élémentaires à trois atomes." Bordeaux 1, 2001. http://www.theses.fr/2001BOR12314.
Zhang, Cuihong. "Étude expérimentale des réactions élémentaires d'importance atmosphérique : la réactivité des radicaux peroxyles." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR090.
Peroxy radicals are important intermediates in atmospheric chemical reactions and play an important role in atmospheric radical chain reactions. Kinetics and product information of radicals are key parameters in global atmospheric model simulation, and are of great significance for understanding scientific questions such as atmospheric oxidation capacity, photochemical pollution, and secondary organic aerosol formation. Ethane is one of the most abundant non-methane hydrocarbons in the atmosphere, its oxidation reaction generates the ethyl peroxy radical C2H5O2. However, in the literature there are still insufficient information and inconsistent measurement results in its self- and cross-reaction kinetics. Accurately measuring the rate constant and product branching ratio of C2H5O2 will help to understand the C2H5O2 chemistry in low NOx environments and its contribution to formation of OVOCs and secondary organic aerosol in the atmosphere.Absorption spectroscopy and photoionization mass spectrometry (PIMS) have been used to study the kinetics and products of C2H5O2. Based on dual-path cavity ringdown spectroscopy (CRDS), the self- and cross- reaction of C2H5O2 radicals have been studied, and the rate constant and branch ratio has been obtained. Based on PIMS, and synchrotron radiation photoelectron photoion coincidence spectroscopy (PEPICO), the products were detected
Madelaine, Guillaume. "Simplifications exactes et structurelles de réseaux de réactions biologiques." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10015/document.
System biology aims at understanding and analyzing biological systems using mathematical and computational models. The explosion of the number of experimental data leads to larger and larger models. In order to be able to easily analyze them and quickly simulate them, it is necessary to be able to simplify them. In this thesis, we propose simplification methods for biochemical reaction networks. These methods are sufficiently rich to be able to simplify an important number of networks from biological applications. They are contextual, allowing to consider a network as a sub-module of a larger model, and to simplify it without modifying the behavior of the global model. Finally, our simplifications are sound, meaning that they preserve the semantics of the networks. Firstly, we are interested in a non deterministic semantics, based on the capability to converge to some attractors of the network. Then we study some simplifications for the deterministic semantics, allowing for instance to remove intermediate species at steady-state. Finally, we are interested by the confluence of this simplification, as well as the relation between the elimination of intermediate species and the computation of the elementary modes of a network
Bonard, Amélie. "Etude cinétique de réactions élémentaires d'intérêt pour la combustion : application aux réactions du radical OH avec des éthers et des acétals." Orléans, 2000. http://www.theses.fr/2000ORLE2029.
Dusanter, Sebastien. "Application des diodes laser infrarouges accordables à deux problématiques : la métrologie de polluants : la cinétique des réactions élémentaires." Lille 1, 2002. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2002/50376-2002-247.pdf.
Javoy, Sandra. "Détermination de constantes de vitesse de réactions chimiques élémentaires importantes dans la combustion de l'hydrogène en régime d'écoulement supersonique." Orléans, 2001. http://www.theses.fr/2001ORLE2037.
Paul, Jean-François. "Etapes élémentaires de réactions catalytiques sur les métaux du groupe 10 : étude quantique de la chimisorption et de la transformation de fragments organiques." Lyon 1, 1996. http://www.theses.fr/1996LYO10037.
Morin, Mathieu. "Gazéification de la biomasse en double lit fluidisé circulant : étude des réactions élémentaires de gazéification et de combustion du char et de reformage des goudrons." Thesis, Toulouse, INPT, 2017. http://www.theses.fr/2017INPT0089/document.
The thermochemical conversion of biomass at high temperature (>700°C) in Fast Internally Circulating Fluidized Bed (FICFB) is a promising alternative route to fossil fuels (oil, coal) to produce syngas which can be used in several applications. The aim of the present work is to develop methodologies as well as theoretical and experimental tools for determining the intrinsic kinetic of biomass transformations (biomass pyrolysis, char gasification and combustion, cracking and reforming of tars). Firstly, a fluidized bed reactor has been designed and built at the Laboratory of Chemical Engineering (LGC). This reactor can operate for temperatures between 20 and 1000°C with a well-defined gas supply (N2, O2, H2, H2O and tars). A sampling and analysis gas system enables the continuous quantification of the non-condensable gases and tars molar fractions. A hydrodynamic and thermal study enabled the determination of the operating conditions for each experimental study. Secondly, the char gasification and combustion was performed in the fluidized bed reactor. The influence of the operating conditions (temperature and compounds partial pressure) led to the modelling of the different solid transformation kinetics. Besides, in the case of char combustion, a reaction scheme was proposed and the kinetic obtained in the fluidized bed was compared to that obtained in a thermogravimetric analyzer. Finally, a study on the tar reforming in a fluidized bed reactor highlighted the effect of the reactive atmosphere on the reaction scheme of toluene conversion over olivine and char
Martin, Ludovic. "Contribution théorique à l'étude de la réactivité élémentaire gaz/surface d'intérêt en rentrée atmosphérique." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13823/document.
During an atmospheric re-entry, the thermal shields of spacecrafts undergo an important heating, a significant fraction (~30%) of which is due to the chemical reactions at their surface. This thesis is a contribution to the understanding of this heterogeneous reactivity, catalycity, with the tools of theoretical chemistry. A method to build a global potential energy surface is developed and applied to the study of elementary processes dynamics (dissociative molecular adsorption, atomic absorption, Eley-Rideal recombination …) for the N,N2/W(100,110) and O,O2/Cu(100) chemical systems. These approaches are then coupled with a kinetic model quantifying catalycity
Book chapters on the topic "Réactions élémentaires":
"Chapitre 7 Diffusion et réaction élémentaire en solution." In Cinétique et dynamique des réactions chimiques, 175–218. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1812-9-009.
"Chapitre 7 Diffusion et réaction élémentaire en solution." In Cinétique et dynamique des réactions chimiques, 175–218. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1812-9.c009.
"4 Modèles élémentaires d’évolution avec contre-réaction." In Fission nucléaire, réaction en chaîne et criticité, 29–40. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2000-9-007.
"3 Modèles élémentaires d’évolution sans contre-réaction." In Fission nucléaire, réaction en chaîne et criticité, 19–28. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2000-9-006.
"3 Modèles élémentaires d’évolution sans contre-réaction." In Fission nucléaire, réaction en chaîne et criticité, 19–28. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2000-9.c006.
"4 Modèles élémentaires d’évolution avec contre-réaction." In Fission nucléaire, réaction en chaîne et criticité, 29–40. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2000-9.c007.