Academic literature on the topic 'Structure ouverte de carbone'
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Journal articles on the topic "Structure ouverte de carbone"
Donnet, Jean-Baptiste, Christophe Le Moigne, Tong Kuan Wang, Michel Samirant, and André Eckhardt. "Structures ≪ type oignon ≫ et structure d'équilibre du carbone." Comptes Rendus de l'Académie des Sciences - Series IIC - Chemistry 1, no. 7 (July 1998): 431–34. http://dx.doi.org/10.1016/s1387-1609(98)80424-6.
Full textSchlosser, Jacques, Jean-Jacques Cordier, Raphaël Mitteau, and Alain Durocher. "Développement d'une liaison entre une briquette en composite carbone/carbone et une structure de refroidisseur en cuivre." Mécanique & Industries 6, no. 1 (January 2005): 117–25. http://dx.doi.org/10.1051/meca:2005012.
Full textMeunier, V., and P. Lambin. "Propriétés structurales des jonctions de nanotubes de carbone." Canadian Journal of Physics 77, no. 9 (February 1, 2000): 667–75. http://dx.doi.org/10.1139/p99-004.
Full textAmmar-Khodja, Isabelle, Céline Picard, Magali Fois, and Christian Marais. "Thermo-oxydation de composites carbone/époxy pleins et multitroués. Relation structure/endommagement/propriétés." Revue des composites et des matériaux avancés 18, no. 1 (March 26, 2008): 7–16. http://dx.doi.org/10.3166/rcma.18.7-16.
Full textLachapelle, Réjean. "Le concept de population stable ouverte : application à l’étude des variations de la structure démographique." Articles 19, no. 2 (March 25, 2004): 197–214. http://dx.doi.org/10.7202/010048ar.
Full textBIQUARD, OLIVIER. "PROLONGEMENT D’UN FIBRE HOLOMORPHE HERMITIEN A COURBURE Lp SUR UNE COURBE OUVERTE." International Journal of Mathematics 03, no. 04 (August 1992): 441–53. http://dx.doi.org/10.1142/s0129167x92000199.
Full textPantalacci, Jean-Pierre. "Les Scuole Grandi à Venise. Une structure institutionnelle ouverte à une « aristocratie » qui ne gouverne pas." Cahiers de la Méditerranée, no. 97/2 (December 15, 2018): 199–211. http://dx.doi.org/10.4000/cdlm.12130.
Full textLoubota Panzou, Grace Jopaul. "Biomasse et stocks de carbone en Afrique centrale : importance de l’allométrie des arbres." BOIS & FORETS DES TROPIQUES 343 (March 31, 2020): 85–86. http://dx.doi.org/10.19182/bft2020.343.a31853.
Full textBonnet, Marc. "Aux limites de la temporalité : l’archaïque et la mort." Filigrane 22, no. 1 (July 23, 2013): 53–67. http://dx.doi.org/10.7202/1017346ar.
Full textKolsi, Lioua, Hakan Oztop, Kaouther Ghachem, Mohammed Almeshaal, Hussein Mohammed, Houman Babazadeh, and Nidal Abu-Hamdeh. "Numerical Study of Periodic Magnetic Field Effect on 3D Natural Convection of MWCNT-Water/Nanofluid with Consideration of Aggregation." Processes 7, no. 12 (December 14, 2019): 957. http://dx.doi.org/10.3390/pr7120957.
Full textDissertations / Theses on the topic "Structure ouverte de carbone"
Mohammadhosseini, Ali. "A search for optimal structure of carbon-based porous adsorbents for hydrogen storage : numerical modeling approach." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4736.
Full textThe main goal of research presented in this thesis has been a search for optimal carbon-based porous structure capable to achieve the hydrogen storage capacity defined by US Department of Energy (DOE) for mobile applications at room temperature by adsorption at medium-level pressures below 120 bars. The hydrogen is assumed to be stored in a tank filled with adsorbents to be used in transport application, mainly fuel-cell driven vehicles. The known carbon-based adsorbents have low storage capacity. Therefore in this work, I have defined the basic parameters which are responsible for the capacity deficiency of such materials. Special attention has been paid to local pore geometry of adsorbents. I have investigated the pore local structure of carbon-based adsorbents and I present the basis of design and hydrogen adsorption capacity in three-dimensional architecture of new carbon frameworks, a promising class of potential hydrogen storage materials that have not been studied so far. Apart from maximizing the density of hydrogen taken up by this family of structures, I have aimed at characterization of this new category of adsorbents. This is hoped to lead to a guidance how their physical properties can be designed, or `tuned', to optimize their storage properties, and the obtained results seem to achieve this aim and thus provide a good basis for future research
Baliteau, Sébastien. "Etude et réalisation d'un capteur potentiométrique à dioxyde de carbone en configuration ouverte." Université Joseph Fourier (Grenoble), 2005. http://www.theses.fr/2005GRE10113.
Full textSensors based on NASICON functions out of differential between an electrode sensitive to O2 and another sensitive to CO2 and O2. The response does not depend any more of the oxygen partial pressure. Each element of the sensor (reference electrode, solid electrolyte and sensing electrode) was separately studied with physical and electrical characterizations to select best materials. Screen-printing method was retained among several electrode deposit to test the influence on the response of the sensors. For the sensing electrode (Na2CO3/BaCO3), the compositions having a barium carbonate rate of 25% or 0% ended in satisfactory results on sensitivity. The influence of the reference electrode composition was studied for differents values of the Na2Ti3O7/Na2Ti6O13 ratio. Only the composition 55%-45% in mass gave place to a sensor with thermodynamic behavior, with experimental slopes and standard potentials close to the theoretical values until partial pressures of about 100 Pa. The oxygen has an influence on the response only for the low temperatures. An interference of the water vapor was observed on the standard potential value whatever the temperature, without modification of the sensitivity. The nitric oxyde did not change the response of the sensor. A model of response time limited by the gas diffusion in electrode material was proposed. The planar technology led to thermodynamic sensors only for partial pressure above 10-3 bar
Bageac, Daniel. "L'innovation ouverte dans un contexte organisationnel." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM1065.
Full textThis thesis studies the changes in the organizational structure determined by the implementation of open innovation. Specifically, we consider the changes in the deep and formal structure of a firm. We study these changes in nine firms by using primary data collected through semi-structured interviews and secondary data consisting of firms’ annual reports and journal articles. Our results consist of a new definition of inbound open innovation, a proposition of a contingency model of open innovation at firm level and a deep understanding of the way open innovation impacts the firm. The definition of inbound open innovation we propose emphasizes three main aspects : the integration the openness of innovation into the firm’s formal innovation strategy and the systematic and frequent use of collaborations with various actors in the innovation process
ZAMITI, MERIEM. "Structure optimale des reserves de change pour un petit pays a economie ouverte." Paris, EHESS, 1996. http://www.theses.fr/1996EHES0047.
Full textIn this study, we consider the problem of the selection of the optimal currency basket to wich a small country should peg its exchange rate. To analyze this problem requires the introduction of some optimality criterion wich we take to be the stabilization of the elasticity-weighted real effective exchange rate about its equilibrium. The analysis is based on the work of lipschitz and sundararajan (1980). However we revise and extend their analysis by taking into account the effects of the correlations between exchange rate and price mouvements on the stability of the real effective exchange rate. Moreover, after having analyzed the relevance of the purchasing power parity as a reference norm for the real exchange rate, we defined another norm relative to wich it would be better to stabilize the real effective exchange rate. We determined then the nominal exchange rate wich must be used to reach the real exchange rate target. The results show that lipschitz and sundararajan's solution is sub-optimal. It also show that a trade-weighted basket is not in general optimal. We described the conditions under wich a single currency peg is recommanded
Serpaggi, Fabien. "Composés de terres rares à charpente ouverte : synthèse hydrothermale, structure et propriétés optiques." Versailles-St Quentin en Yvelines, 1998. http://www.theses.fr/1998VERS0018.
Full textBendiab, Nedjma. "Structure et vibrations des nanotubes de carbone intercalés." Montpellier 2, 2003. http://www.theses.fr/2003MON20050.
Full textMusadji, Neil-Yohan. "Structure et dynamique du carbone mobile dans le sol." Thesis, Poitiers, 2013. http://www.theses.fr/2013POIT2329/document.
Full textOrganic matter (OM) content influences soil physical and chemical properties and its microbial activity. OM, particulate or dissolved, plays a key role on climate changes. Exogenous organic matter amendments are used to tackle the various problems associated with the decrease in soil carbon content. Dissolved Organic Carbon (DOC), involved in main mechanisms of preservation and / or degradation of organic matter is however only scarcely taken into account in the study of such amendments. The main objective of this study was to better characterize the DOM present in the surface horizons of a soil. The percolating waters collected from 2006 amended plots (150 t/ha of green waste and bio-waste compost) and reference plots are characterized by global and molecular techniques (fluorescence spectroscopy, size exclusion chromatography, themochemolysis, GC/MS). Size and polarity of DOM molecules change depending on seasons and depths. These analyses reveal exogenous organic carbon sequestration. DOM study is thus part of the quality soil indexes
Zambon, Adrien. "Modèles chimiques du nitrure de carbone graphitique : lien structure-propriétés." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAV024/document.
Full textGraphitic carbon nitride (gCN) is an organic semi-conductor which has lately attracted a lot of attention when its photocatalytic properties were highlighted for water splitting. It has been recently shown to be based on the heptazine core, but its three-dimensional structure remains elusive. This is first due to its poor solubility which prevents the use of classical characterization techniques, and second to the fact that changes in synthesis experimental conditions (precursors, temperature…) yield different materials. The synthesis of tailored and well-defined molecular models would therefore certainly be of great interest to better understand the structure-properties relationship of this material. This is the aim of the work presented in this manuscript. The reactivity of cyameluryl chloride, a monomeric precursor, has been studied, and a protocol for a quantitative selective substitution by aliphatic secondary amines has been determined. The use of deprotonation by a strong base or thermal treatment yielded two dimers and one linear trimer. The oligomers have been characterized by several technique (X-ray diffraction, NMR, IR, UV-vis absorption, emission, electrochemistry), and the obtained data were in close agreement to the ones observed in DFT. As a rule of thumb, a decrease of the electronic transition energies is observed for an increasing chain length. The application of extrapolation methods to the experimental data suggests that oligomers are relevant molecular models for gCN
Vallerot, Jean-Marie. "Matrice de pyrocarbone : propriétés, structure et anisotropie optique." Bordeaux 1, 2004. http://www.theses.fr/2004BOR12875.
Full textPopescu, Virgil. "Modelisation et conception de matrices de melangeurs en structure ouverte destinees a l'imagerie focale millimetrique et submillimetrique." Paris 6, 1996. http://www.theses.fr/1996PA066667.
Full textBooks on the topic "Structure ouverte de carbone"
L, Gholz Henry, Linder Sune, and McMurtrie R. E, eds. Environmental constraints on the structure and productivity of pine forest ecosystems: A comparative analysis. Copenhagen, Denmark: Munksgaard International, 1994.
Find full textBook chapters on the topic "Structure ouverte de carbone"
LIU, Yu, Delong HE, Ann-Lenaig HAMON, and Jinbo BAI. "Interface et interphase entre matrice époxyde et nanorenforts à base de carbone dans les nanocomposites." In Nanocomposites, 147–65. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9031.ch5.
Full textDEL MAR SAAVEDRA RIOS, Carolina, Adrian BEDA, Loic SIMONIN, and Camélia MATEI GHIMBEU. "Le carbone dur pour les batteries Na-ion : de la synthèse aux performances et mécanismes de stockage." In Les batteries Na-ion, 123–74. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9013.ch3.
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