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Academic literature on the topic 'Corrélation asymétrique'
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Journal articles on the topic "Corrélation asymétrique"
Farghal, Mohammed. "Evaluativeness parameter and the translator from English into Arabic and vice-versa." Babel. Revue internationale de la traduction / International Journal of Translation 37, no. 3 (January 1, 1991): 138–51. http://dx.doi.org/10.1075/babel.37.3.03far.
Full textMarty, C., and E. Beall. "Modalités spatio-temporelles de la dispersion d'alevins de saumon atlantique (Salmo salar L.) à l'émergence." Revue des sciences de l'eau 2, no. 4 (April 12, 2005): 831–46. http://dx.doi.org/10.7202/705057ar.
Full textde Bonis, Monique, Paul de Boeck, and Marie-Odile Lebeaux. "Problèmes méthodologiques posés par la classification des formes de schizophrénie: recherche de corrélations ou de relations d'appartenance?" Psychiatry and Psychobiology 2, no. 3 (January 1, 1987): 174–87. http://dx.doi.org/10.1017/s0767399x00004260.
Full textDelalu, H., and A. Marchand. "Modélisation générale des processus réactionnels intervenant au cours de la synthèse de la diméthylhydrazine asymétrique par le procédé Raschig. Quantification des produits de dégradation (hydrazone). II. Corrélations physiques entre l'état initial et l'état final. Optimisation dans des conditions de concentrations industrielles." Journal de Chimie Physique 88 (1991): 115–27. http://dx.doi.org/10.1051/jcp/1991880115.
Full textDissertations / Theses on the topic "Corrélation asymétrique"
Alame, Mohamad. "Tentative de corrélation structure-énantiosélectivité et effet de pression en hydrogénation asymétrique." Lyon 1, 2007. http://www.theses.fr/2007LYO10016.
Full textThe enantioselectivity of catalytic asymmetric hydrogenations can be largely influenced by the hydrogen concentration in the catalytic liquid phase, with generally, a negative impact on enantiomeric excess (ee). In this thesis, we showed, on a large number of chiral diphosphine (56) and three prochiral substrates of acylaminoacrylate ester, that the conclusion of a negative effect of the hydrogen pressure generally admitted in the bibliography is wrong. Indeed, on the basis of 168 studied catalytic systems (diphosphine/substrate), an equivalent distribution of negative effects (28%) and beneficial effects (29%) is observed. In addition, the electronic effects were also studied on a restricted family of diphosphines of the BINAP type by substitution on the binaphtyl group in 5,5' and 4,4' position or para of the phenyls groups carried by phosphorus. The majority of these derivatives of the BINAP had to be synthesized. In particular a new method for the synthesis of derived 5,5' (Me, COOH, Ph) was developed and a new strategy of synthesis in ionic liquid medium was designed for the preparation of the 4,4'derivatives. In the case of para derivatives position, a clear correlation between enantiomeric excess and the HAMMETT constant for all the substituents (Me, H, NH2, +NMe3, OMe, OH, O-) is obtained. The enantioselectivity can thus be tuned, from +57 to -34 %
Kadmiri, Othman. "Estimation et validation de modèles GARCH asymétriques en puissance multivariés à corrélations conditionnelles." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCD076.
Full textThis thesis present some contributions to the financial series modelling, especially in the deve- lopment of models extensions and in the development of tools useful for the models validation. All the results are illustrated by simulations and applications to real datas. The results are based on the Quasi-Maximum Likelihood estimation and on the Portmanteau test for the validation of models. In the univariate case, we propose an extension of Portmanteau test for the GARCH model with threshold and power transformation, when the power is unknown and must be estimated simulta- neously with others parameters. An extension of this model is done in the multivariate case, taking into account that the conditional correlation is constant in time.We developed the estimation process of the CCC-APGARCH model in the cases where the power is known and unknown. The asymptotic properties of the Quasi-Maximum Likelihood estimator are established in the both cases and used to extend the Portmanteau test for this model
Tsafack, Kemassong Georges Desire. "Asymmetric dependence modeling and implications for international diversification and risk management." Thèse, 2007. http://hdl.handle.net/1866/2157.
Full textBriand, Marie-Michèle. "Asymétries à la marche chez les adolescents atteints de scoliose idiopathique." Thèse, 2009. http://hdl.handle.net/1866/3468.
Full textIdiopathic scoliosis is a tridimensional deformation of the spine and of the rib cage. The cause of this pathology is still unknown but its consequences affected different structures including vertebras and spinal muscles. These structures are essential in locomotion activities and this is why it is important to understand well consequences of having a scoliosis on walking. Ten control subjects and nine scoliotic subjects were asked to do ten walking trials at natural speed on a ten-meter walkway with two embedded force-plates. A 3D system (VICON) was also used to record kinematics of 30 body markers. Total, minimal and maximal range of motion (ROM) of pelvic and shoulder rotations, coefficients of variation and correlation were points of interest of this study. Student tests were used to compare groups. No statistically significant difference was observed between group’s total ROM in any planes but some differences were noticed between minimal ROM in coronal plane for pelvis and shoulders. That suggests an asymmetric rotation during natural speed walking in scoliotic group.