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Статті в журналах з теми "Réseaux de réaction chimiques"
Philippot, Marine, Christine Bazin, Pascale Preynat-Boucher, Jean-Marc Giannoli, and Yves Perrodin. "Caractérisation de l’écotoxicité des rejets liquides des laboratoires de biologie médicale." Revue des sciences de l’eau 29, no. 3 (February 13, 2017): 303–14. http://dx.doi.org/10.7202/1038929ar.
Повний текст джерелаGelinas, P., J. Locat, and R. Drouin. "Performance des lieux d'enfouissement sanitaire de Laterrière et de Ste-Sophie, Québec, Canada." Revue des sciences de l'eau 2, no. 1 (April 12, 2005): 109–38. http://dx.doi.org/10.7202/705026ar.
Повний текст джерелаAgab, H., B. Abbas, H. El Jack Ahmed, and I. E. Maoun. "Premier cas d'isolement de Brucella abortus biovar 3 sur le dromadaire (Camelus dromedarius) au Soudan." Revue d’élevage et de médecine vétérinaire des pays tropicaux 47, no. 4 (April 1, 1994): 361–63. http://dx.doi.org/10.19182/remvt.9072.
Повний текст джерелаHenry, Jean-Pierre. "Épigénétique et vieillissement." médecine/sciences 39, no. 10 (October 2023): 732–37. http://dx.doi.org/10.1051/medsci/2023122.
Повний текст джерелаNouiri, Issam, and Féthi Lebdi. "Algorithme Génétique (AG) pour le choix optimal des stations d’appoint de chlore sur les réseaux d’eau potable." Revue des sciences de l'eau 19, no. 1 (March 20, 2006): 47–55. http://dx.doi.org/10.7202/012596ar.
Повний текст джерелаGuitonneau, S., S. Momege, A. Schafmeier, P. O. Viac, and P. Meallier. "Étude comparative de la dégradation du bromoxynil et du bromoxynil heptanoate par photolyse UV et par oxydation chimique (H²O²/UV ; O³ ; Cl²)." Revue des sciences de l'eau 8, no. 2 (April 12, 2005): 201–16. http://dx.doi.org/10.7202/705219ar.
Повний текст джерелаMELUCCI, Alberto. "Vie quotidienne, besoins individuels et action volontaire." Sociologie et sociétés 25, no. 1 (September 30, 2002): 189–98. http://dx.doi.org/10.7202/001495ar.
Повний текст джерелаALZOUMA, Gado. "Activisme politique et gouvernance au Niger : nature et formes de la répression numérique." Tic & société Vol. 18, N° 1 (2024): 119–48. http://dx.doi.org/10.4000/12nsi.
Повний текст джерелаDessureault, Christian. "L’émeute de Lachine en 1812 : la coordination d’une contestation populaire1." Revue d'histoire de l'Amérique française 62, no. 2 (June 17, 2009): 215–51. http://dx.doi.org/10.7202/037523ar.
Повний текст джерелаClonts, Charlène. "Annette Messager. Les mots, les images et l’humour." Women in French Studies 2024, no. 2 (2024): 147–65. https://doi.org/10.1353/wfs.2024.a946132.
Повний текст джерелаДисертації з теми "Réseaux de réaction chimiques"
Kurylo, Ievgen. "Surfaces actives pour l'activation contrôlable de la programmation moléculaire basée sur l'ADN en microfluidique." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1I073/document.
Повний текст джерелаLiving organisms perform complex information processing tasks with a help of intertwined chemical reaction networks (CRNs) and diffusion processes. These biological phenomena inspired scientists to design from the bottom-up dynamical systems with complex spatiotemporal behaviour. DNA provides a perfect solution for building these synthetic CRNs. Our research work focused on designing active surfaces with the aim to provide a convenient way to interact in microfluidics with the PEN toolbox (as an example of DNA-based CRNs) and explore the full potential of these novel biochemistry tools. We will study the step by step assembly and optimisation of the PEN toolbox parameters. Next, we will discuss the construction and characterisation of active surfaces, which provide loading and controllable release of DNA input, based on formation and electrochemical cleavage of gold-thiol bond. We will also provide a technological solution to integrate these surfaces and the PEN toolbox in microfluidics. We will show controllable triggering of basic activation and autocatalysis PEN toolbox modules. We will further apply our method for spatiotemporal control of autocatalytic CRNs, which have higher stability then simple autocatalytic module while still providing an exponential signal amplification contrary to the activation module. This approach allows us to investigate and optimise the parameters of our technology. Finally, we will discuss the construction of active surfaces with irreversibly bound DNA, which provides a higher level of the PEN toolbox spatiotemporal behaviour, based on electrical polarisation and tuning the shape of surface-attached DNA patterns
Hamoudi, Amine. "Réaction alcali-silice dans le béton : étude de la dégradation structurale comparée de composés SiO2 (silice amorphe, quartz, silex)." Thesis, Lille 1, 2009. http://www.theses.fr/2009LIL10113/document.
Повний текст джерелаThe relationships between the structure and the physical and chemical properties are very important in materials. In particular, the degree of order, the crystal defects and the structural heterogeneities or chemical parameters appear to play a key role in the reactivity of materials. This work is devoted to the study of the reactivity of silica-based materials, and shows of the influence of ordering and crystallinity on the sensitivity to the alkali silica reaction. In this perspective, the reactivity of three different materials: silica glass, aggregates (Flint) and quartz was followed by various techniques. Quartz reacts very slowly whereas the silica glass reacts very quickly, the aggregate exhibiting an intermediate behavior. A closer analysis shows that the amorphous or poorly crystalline fraction of the aggregate reacts preferentially. The role played by these poorly crystalline fractions suggests the use of techniques sensitive to short and medium range order such as: X-ray absorption spectroscopy (XANES and EXAFS) and solid state NMR. Chemical maps obtained by electron microscopy (scanning or in transmission) or at the synchrotron, show that the potassium K+ is the first to diffuse and that penetration of calcium Ca++ is more sluggish in crystalline silica. Locally, silicon NMR analysis shows that depolymerization of the crystalline lattice allows further penetration of calcium. The micro-XANES reveals the presence of several environments around silicon atoms. One exhibits four oxygen first neighbours and the other has less than four oxygen atoms around the silicon. On the other hand, the EXAFS shows the absence of Ca or K in the second layer of neighbouring silicon atom absorber. These results help to advance the understanding of reaction mechanisms occurring in the aggregate altered by the reaction
Berthoumieux, Hélène. "Résonance en dynamique : caractérisation de réseaux de réactions et séparation." Phd thesis, Paris 6, 2008. https://tel.archives-ouvertes.fr/tel-00443988.
Повний текст джерелаRaux, Paul. "Circuit theory for thermodynamic engines in stationary nonequilibrium." Electronic Thesis or Diss., Université Paris Cité, 2024. http://www.theses.fr/2024UNIP7061.
Повний текст джерелаAs with the study of electronic circuits, the study of complex systems is often facilitated by breaking them down into simpler subsystems. Two sub-problems then arise: 1) the study of each sub-system separately; 2) the emergence of new behaviours when they are reassembled. The theory of non-equilibrium circuits is best understood for a single pair of current (electric) and conjugate thermodynamic force (voltage), as is the case in electronics. Each subsystem is then described by a current-voltage characteristic, summarised in the concept of scalar impedance. The current-voltage characteristic of the whole system is then obtained using the conservation laws within and at the interface of each subsystem (e.g. Kirchoff's laws). The aim of this thesis is to extend the results from steady state electronics to non-equilibrium steady state thermodynamic machines with an arbitrary number of conjugate currents and forces subject to different couplings (e.g. thermoelectric). To do this, we need to find tools for treating conservation laws within a complex network. The notion of scalar impedance must also be replaced by a matrix object, the non-equilibrium conductance matrix, to account for the coupling between the different types of currents flowing through the system. This manuscript is in three parts. In the first part, we review the state of the art in the algebraic treatment of thermodynamic converters. In the second part, we demonstrate the calculation of the non-equilibrium conductance matrix for chemical reaction networks and thermoelectric converters. Finally, in the last section, we demonstrate the resistance/conductance summation laws for series/parallel combinations
Bendaikha, Tahar. "Photopolymérisation réticulante de macromères multifonctionnels : comportement photochimique de réseaux polyacryliques tridimensionnels." Mulhouse, 1986. http://www.theses.fr/1986MULH0016.
Повний текст джерелаK/bidi, Fabrice. "Développements et tests de stratégies de gestion de l’énergie à l’échelle de micro réseaux avec stockage et production d’hydrogène." Thesis, La Réunion, 2019. http://www.theses.fr/2019LARE0031.
Повний текст джерелаWith the development of fuel cell (FC) and water electrolysis technologies, electrolytic hydrogen is becoming a pillar of the energy transition, a substitute for fossil resources and a tool for integrating intermittent renewable energy sources (RES). On the scale of isolated or islandable microgrids, this transition is based on the development of hybrid systems, coupling photovoltaic (PV) panels and electrolyzers for hydrogen production, storage systems - hydrogen (H2) tanks and batteries (Bat) - and FC for electricity production. This study presents control strategies for a PV-H2-Bat-FC system to optimize intermittent PV energy management while respecting the operating conditions of electrolyzers and FC. First, a MPPT (Maximum Power Point Tracking) control system is developed to ensure the operation of PV at maximum power, and a control strategy based on Model Predictive Control is implemented to define a current reference for the FC, the electrolyzer and the batteries. Secondly, IP controllers are used to regulate these currents. Thirdly, an optimization problem makes it possible to define a commitment plan to use the FC and the electrolyser taking into account energy supply, demand and stocks
Fourdan, franck. "Etude de réaction chimiques exothermiques autoalimentées dans l'environnement aérien." Aix-Marseille 3, 1992. http://www.theses.fr/1992AIX30017.
Повний текст джерелаFélix, Didier. "Réaction d'allyltitanation : synthèses organiques régio-et stéréosélectives." Dijon, 1997. http://www.theses.fr/1997DIJOS038.
Повний текст джерелаStockinger, Claudius. "Study and analysis οf Sοοt Filter Regeneratiοn by using the Lattice Bοltzmann Μethοd". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR07.
Повний текст джерелаThe control of the emission of carbon black is an important task in many fields of application, with the transport sector being one of the most important domains. Diesel engines, still being extensively used worldwide, are one of the main contributors to the anthropogenic emission of carbon black. In order to counteract the detrimental effect of carbon black on human health, exhaust gas treatment has been the focal point of research for many decades.State of the art soot filters use a ceramic honey-comb structure, acting as wall flow filters. These filters require periodic regeneration once a critical filter back-pressure is reached. Regeneration is conduced either as active regeneration at elevated temperatures (>600 °C) or continuously, as passive regeneration at temperatures starting from 300 °C. The necessary exhaust gas temperature of active regeneration results in a fuel penalty, making the precise control of the regeneration process imperative. Previous works suggested that the mesoscopic morphology of soot and its evolution during soot combustion influence the reactivity, thus affecting the regeneration process. Hence, the control of the regeneration system requires precise knowledge of the physical and chemical phenomena at hand, necessitating simulations of the regeneration process.In this thesis, a simulation framework to model gas flow, consisting of the different reactive species, taking into account solid-gas interactions, is created. Furthermore, conjugate heat transfer, heterogeneous reactions and the release of reaction heat at the interface between the solid and gas phases is treated. For this purpose, the lattice Boltzmann method (LBM), due to its mesoscopic nature, is chosen as an excellent tool to model the heterogeneous combustion on the pore scale. Within this thesis, a LBM framework is created and appropriate methods to model soot combustion are chosen and extensively validated. A procedure to use focused ion beam scanning electron microscopy (FIB-SEM) data of realistic soot samples for the combustion simulation is implemented. Furthermore, the combustion regimes are analysed based on variation of Péclet number, Damköhler number, and oxygen mass fraction in the inlet gas stream. Simulations with realistic soot geometries are performed and the results are compared with experimental results. It is found that the evolution of the specific reactive surface, as received from LBM simulations, is not comparable to the experimental results. Transmission electron microscopy (TEM) analysis and Raman spectra of the soot before and after combustion experiments revealed that combustion affects the primary particles on the nano-scale. For this reason, a separate model to describe the heterogeneous primary particles and their combustion was created. Subsequently, first simulations with scale-coupling were conducted, by connecting the mesoscopic LBM simulations with the primary particle design on the nano-scale. It is shown that a more realistic increase in specific surface could be achieved in simulations by coupling the mesoscopic LBM model with a nano-scale primary particle model
Hong, Xiang. "Nouveaux catalyseurs hétérogènes chiraux pour le dédoublement cinétique hydrolytique des époxydesTERMINAUX." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00770302.
Повний текст джерелаКниги з теми "Réseaux de réaction chimiques"
Chang, Raymond. Chimie des solutions. 3rd ed. Montréal: Chenelière/McGraw-Hill, 2009.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: Sciences de l'activité physique pse4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: Technologie de l'information en affaires btx4e cours préemploi. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: Études informatiques ics4m cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: Mathématiques de la technologie au collège mct4c cours précollégial. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: Sciences snc4m cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: English eae4e cours préemploi. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаOntario. Esquisse de cours 12e année: Le Canada et le monde: une analyse géographique cgw4u cours préuniversitaire. Vanier, Ont: CFORP, 2002.
Знайти повний текст джерелаЧастини книг з теми "Réseaux de réaction chimiques"
FAGES, François, and Franck MOLINA. "La cellule, un calculateur analogique chimique." In Approches symboliques de la modélisation et de l’analyse des systèmes biologiques, 255–74. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9029.ch7.
Повний текст джерела"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.
Повний текст джерела"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.
Повний текст джерела"Chapitre 7 Diffusion et réaction élémentaire en solution." In Cinétique et dynamique des réactions chimiques, 175–218. EDP Sciences, 2020. https://doi.org/10.1051/978-2-7598-1296-7.c009.
Повний текст джерелаDE’ FAVERI TRON, Alvise. "La détection d’intrusion au moyen des réseaux de neurones : un tutoriel." In Optimisation et apprentissage, 211–47. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9071.ch8.
Повний текст джерела