Academic literature on the topic 'Bio-modélisation'
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Journal articles on the topic "Bio-modélisation"
Vescovi, Luc, Alain N. Rousseau, Alain Mailhot, and Jean-Pierre Villeneuve. "Modélisation hydro-bio-chimique du bassin versant de la rivière Saint-Charles." Water Quality Research Journal 34, no. 2 (May 1, 1999): 317–34. http://dx.doi.org/10.2166/wqrj.1999.015.
Full textVescovi, Luc, Alain Mailhot, Alain N. Rousseau, and Jean-Pierre Villeneuve. "Modélisation hydro-bio-chimique du bassin versant de la rivière Saint-Charles." Water Quality Research Journal 34, no. 2 (May 1, 1999): 335–60. http://dx.doi.org/10.2166/wqrj.1999.016.
Full textHamadou, O., A. Amadou Oumani, H. Yahou, B. Morou, and A. Mahamane. "Modélisation de la distribution spatiale de la girafe (Giraffa camelopardalis peralta, Linnaeus 1758) de l’Afrique de l’Ouest pour sa conservation au Niger." International Journal of Biological and Chemical Sciences 15, no. 6 (February 22, 2022): 2486–99. http://dx.doi.org/10.4314/ijbcs.v15i6.19.
Full textDes Aulniers, Luce. "La belle, la (dé-)possédée, la digne, l’inouïe." II. À la recherche de la signication sociale du mourir, no. 23 (November 10, 2015): 79–96. http://dx.doi.org/10.7202/1033996ar.
Full textDoffou, Sopie Cybèle, Kouassi Kouadio, and Hyppolite N’Da Dibi. "Effets des variations climatiques à l’horizon 2050 sur la distribution phytogéographique de Tieghemella heckelii Pierre ex A. Chev. (Sapotaceae) en Côte d’Ivoire." International Journal of Biological and Chemical Sciences 15, no. 2 (June 23, 2021): 679–94. http://dx.doi.org/10.4314/ijbcs.v15i2.23.
Full textWieber, Frédéric. "Racines scientifiques de la conception dite rationnelle de médicaments sur ordinateur : pour une histoire de la modélisation (bio)moléculaire." Philosophia Scientae, no. 12-2 (August 1, 2008): 93–109. http://dx.doi.org/10.4000/philosophiascientiae.109.
Full textFetita, C., J. Richeux, M. Maury, J. Flint, A. Didier, N. Aide, P. Y. Brillet, E. Bergot, J. F. Bernaudin, and A. Justet. "Modélisation du remodelage vasculaire post-COVID-19 à partir de l’analyse bio-informatique de scanner thoracique et de scanner thoracique non injecté." Revue des Maladies Respiratoires Actualités 15, no. 1 (January 2023): 5–6. http://dx.doi.org/10.1016/j.rmra.2022.11.009.
Full textBOUKINDA M., Morgan L. "Modélisation des efforts sur une structure de type Jacket colonisée par des bio-salissures pour le calcul en fiabilité. Optimisation des inspections/nettoyage." Revue Européenne de Génie Civil 10, no. 8 (September 2006): 992. http://dx.doi.org/10.1080/17747120.2006.9692873.
Full textAchari, Yannis, Francesca Ali, Amel Boudache, Philomène Bui-Xuan, Philippine Furgé, Juliana Labatte, and Raluca Stanciu. "L’actualité immunologique sous l’oeil critique des étudiants de Master 2." médecine/sciences 35, no. 4 (April 2019): 381–84. http://dx.doi.org/10.1051/medsci/2019070.
Full textNguimfack, Léonard, and Guy-Bertrand Ovambe Mbarga. "La résilience basée sur les signifiants culturels chez les soldats psychotraumatisés de guerre en Afrique : vers une modélisation en psychologie clinique." psychologie clinique, no. 50 (2020): 177–89. http://dx.doi.org/10.1051/psyc/202050177.
Full textDissertations / Theses on the topic "Bio-modélisation"
Jawad, Brahim. "Modélisation de l'électrolocation pour la bio-robotique." Phd thesis, Ecole des Mines de Nantes, 2012. http://tel.archives-ouvertes.fr/tel-00734819.
Full textHamdi, Mustapha. "Conception, modélisation et caractérisation de systèmes bio-nanorobotiques." Thesis, Orléans, 2009. http://www.theses.fr/2009ORLE2030.
Full textNanorobots represent a nanoscale devices where proteins such as DNA, carbon nanotubes could act as motors, mechanical joints, transmission elements, or sensors. When these different components were assembled together they can form nanorobots with multi-degree-of-freedom, able to apply forces and manipulate objects in the nanoscale world. In this work, we investigated the design, assembly, simulation, and prototyping of biological and artificial molecular structures with the goal of implementing their internal nanoscale movements within nanorobotic systems in an optimized manner. The thesis focuses, mainly on two approaches. The first one involves multiscale modeling tools (quantum mechanics, molecular dynamics, continuum mechanics) coupled to virtual reality advanced techniques. In order to design and evaluate the characteristics of molecular robots, we proposed interactive nanophysics-based simulation which permits manipulation of molecules, proteins and engineered materials in molecular dynamics simulations with real-time force feedback and graphical display. The second approach uses a novel co-prototyping methodology. The optimization of engineered nanorobotic device is coupled to experimental measurements and force field modeling algorithms
De, Vroey Laurent. "Modélisation des couches minces électriques dans les bio-microsystèmes." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2008. http://tel.archives-ouvertes.fr/tel-00762196.
Full textKornprobst, Pierre. "Contributions en modélisation de la vision algorithmique et bio-inspirée." Habilitation à diriger des recherches, Université de Nice Sophia-Antipolis, 2007. http://tel.archives-ouvertes.fr/tel-00457491.
Full textRolland, Antoine. "Bio-bitumes obtenus pas Liquéfaction Hydrothermale : approche expérimentale et modélisation." Thesis, Nantes, 2020. http://www.theses.fr/2020NANT4040.
Full textA process for the production of biobased bituminous binders by hydrothermal conversion of microlagal biomass is investigated in perspective of the post petroleum era. The hydrothermal liquefaction (HTL) process used is characterized by a moderate temperature of 260°C, resulting in a subcritical state of the water media. An instrumented reactor, thermally controlled, has been developed. It allows studying the impact of both the residence time and the heating and cooling steps on the formation process of biobitumen. Its composition results from a hydrothermal carbonization (HTC) step during heating, followed by a liquefaction step during the isotherm at 260°C. The rheological properties of the hydrophobic material obtained are strongly influenced by the fraction of solid residues. These later partially consist of minerals presumably coming from the microalgae cultivation media. With a view to model the thermokinetics of the process, an energy balance allowed estimating the exothermic reaction enthalpy form measurements made on the reactor. Concurrently, the concept of reaction ordinate allowed comparing the processing conditions leading to biobitumen, to those leading to biochar by HTC, biocrude by HTL, but also to petroleum and pyrobitumen formed by the geological processes that inspires HTL
Belghiti, Moulay Tayeb. "Modélisation et techniques d'optimisation en bio-informatique et fouille de données." Thesis, Rouen, INSA, 2008. http://www.theses.fr/2008ISAM0002.
Full textThis Ph.D. thesis is particularly intended to treat two types of problems : clustering and the multiple alignment of sequence. Our objective is to solve efficiently these global problems and to test DC Programming approach and DCA on real datasets. The thesis is divided into three parts : the first part is devoted to the new approaches of nonconvex optimization-global optimization. We present it a study in depth of the algorithm which is used in this thesis, namely the programming DC and the algorithm DC ( DCA). In the second part, we will model the problem clustering in three nonconvex subproblems. The first two subproblems are distinguished compared to the choice from the norm used, (clustering via norm 1 and 2). The third subproblem uses the method of the kernel, (clustering via the method of the kernel). The third part will be devoted to bioinformatics, one goes this focused on the modeling and the resolution of two subproblems : the multiple alignment of sequence and the alignment of sequence of RNA. All the chapters except the first end in numerical tests
Dortel, Emmanuelle. "Croissance de l'albacore (Thunnus albacares) de l'Océan Indien : de la modélisation statistique à la modélisation bio-énergétique." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20035/document.
Full textSince the early 1960s, the growth of yellowfin has been enjoyed a particular attention both in the research field and for fisheries management. In the Indian Ocean, the management of yellowfin stock, under the jurisdiction of the Indian Ocean Tuna Commission (IOTC), suffers from much uncertainty associated with the growth curve currently considered. In particular, there remain gaps in our knowledge of basic biological and ecological processes regulating growth. Their knowledge is however vital for understanding the stocks productivity and their resilience abilities to fishing pressure and oceanographic changes underway.Through modelling, this study aims to improve current knowledge on the growth of yellowfin population of the Indian Ocean and thus strengthen the scientific advice on the stock status. Whilst most studies on yellowfin growth only rely on one data source, we implemented a hierarchical Bayesian model that exploits various information sources on growth, i.e. direct age estimates obtained through otolith readings, analyzes of modal progressions and individual growth rates derived from mark-recapture experiments, and takes explicitely into account the expert knowledge and the errors associated with each dataset and the growth modelling process. In particular, the growth model was coupled with an ageing error model from repeated otolith readings which significantly improves the age estimates as well as the resulting growth estimates and allows a better assessment of the estimates reliability. The growth curves obtained constitute a major improvement of the growth pattern currently used in the yellowfin stock assessment. They demonstrates that yellowfin exhibits a two-stanzas growth, characterized by a sharp acceleration at the end of juvenile stage. However, they do not provide information on the biological and ecological mechanisms that lie behind the growth acceleration.For a better understanding of factors involved in the acceleration of growth, we implemented a bioenergetic model relying on the principles of Dynamic Energy Budget theory (DEB). Two major assumptions were investigated : (i) a low food availability during juvenile stage in relation with high intra and inter-specific competition and (ii) changes in food diet characterized by the consumption of more energetic prey in older yellowfin. It appears that these two assumption may partially explain the growth acceleration
Nait, Saidi Chourouk. "Modélisation de la conversion thermique de carburants verts de type bio-huiles." Thesis, Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAE010.
Full textProduction of bio-oils through thermochemical biomass conversion is a promising process for biorefining. While gas phase kinetics of bio-oil conversion has been improving, its liquid phase reactivity is currently poorly understood. The aim work of my thesis is about the understanding of detailed kinetics mechanism of biomass thermochemical decomposition at low temperature range in the liquid phase. As mentionned by Basu (June 2010); Nakamura et al. (2007a,b); Kawamoto (2017) a liquid phase is observed during the initial stage of biomass pyrolysis. In this study, we will try to model the initial stage of biomass pyrolysis. To our knowledge, no modelling study of the rate of reactions in the liquid phase has been proposed for biomass pyrolysis. The investigation of liquid phase reactions of such complex systems requires a good knowledge of solvent effects. We compared the prediction capabilities of COSMO-SAC with those of the Abraham solvation model, by considering the COMPSOL database of Moine (2017) as the reference data. We then proposed a re-parametrization of these COSMO-SAC models that leads to much better predictions, and extended these models to CPCM cavities(Nait Saidi et al. (2020)). Predictive methods based on ab initio calculations can be very accurate for predicting gas phase thermochemical properties and are usually more versatile than group contribution methods. An extension of Paulechka and Kazakov (2017) ab initio prediction method of enthalpies of formation was proposed in this study (Mielczarek et al. (2019)) and used for biomass compounds. We then used Reaction Mechanism Generator (RMG) to investigate the possible reaction mechanism of different Tar surrogate compounds of biomass decomposition. The surrogate compounds that we chose are Creosol, guaiacol and methoxy vinylphenol to model the lignin. This work can be considered as an extension of the gas phase reaction mechanism of pyrolysis proposed by Ranzi(2017a,b) taking in consideration the primary tar recombination/polymerisation reaction that occur in the temperature range 100°C to 300°C.To model the kinetics of the key reaction, we investigated the transitional state using Gaussian 09 and ORCA. We then estimated the kinetics parameters using Transitional State Theory with Kisthelp tool (Canneauxet al. (2014)) and liquid phase kinetics approach based on the gas phase kinetics and solvation free energies correction (Jalan et al. July 2013)
Robles, Rodriguez Carlos Eduardo. "Modélisation et optimisation de la production de bio-lipides par les levures oléagineuses." Thesis, Toulouse, INSA, 2016. http://www.theses.fr/2016ISAT0044/document.
Full textThis PhD thesis aims at optimizing lipid accumulation by oleaginous yeast, and most particularly by the yeast Yarrowia lipolytica from glucose. This optimization is addressed from a mathemantical point of view based on automatic control laws, where model-based control strategies are proposed. The bibliographic review compiles and evaluates previous works to identify the different existing methodologies to attain the optimization, which is divided in three main axes: modeling, control strategies, and monitoring. In this context, five different models are proposed to describe lipid accumulation. The first model is based on Monod and inhibition kinetics (unstructured), and the second on the Droop quota model (quota) previously used for microalgae. The last three are dynamic metabolic models that combine kinetics with metabolic models based on the stoichiometry of metabolism. These three models used a reduced metabolic network decomposed into elementary flux modes. The five models were successfully calibrated and validated with different experimental data. Nonetheless, the dynamic metabolic models presented highlighting features such as the description of metabolic shifts. Two approaches of multi-objective control strategies aiming at maximizing lipid productivity and lipid content fraction were proposed. In the first, the two objectives were weighted by static calculation of Pareto fronts, and integrated to the control strategy by dynamic optimization algorithms with a dynamic metabolic model. The second strategy used a constant weighed objective function solved by piecewise linear functions by integrating the quota model. The simulation results of the optimization attained lipid contents between 0.21 – 0.26 gLIP.gX-1 and productivities between 0.78 – 1.02 g.(L-h)-1 shortening the culture time to 20 h. Soft-sensors were developed by correlating on-line measurements (i.e. pO2 and the added base for pH) through support vector machines in order to overcome the lack of measurements. The perspective is to experimentally validate the control strategies
Mahiané, Séverin Guy. "Modélisation (Bio) Mathématique des interactions HSV-2/VIH à partir de données expérimentales." Paris 11, 2010. http://www.theses.fr/2010PA11T026.
Full textConference papers on the topic "Bio-modélisation"
PACITTO, Jean-Louis. "Littoral résilient. L'approche d'une modélisation territoriale bio-inspirée." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2016. http://dx.doi.org/10.5150/jngcgc.2016.065.
Full textBoukinda, M., Franck Schoefs, and Michel Bélorgey. "Modélisation probabiliste des efforts de houle sur une structure offshore en présence de bio salissures." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.014-b.
Full textCatros, S. "A quoi servent les Bio-Imprimantes 3D ?" In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601012.
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