Auswahl der wissenschaftlichen Literatur zum Thema „Prédiction de contacts“
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Zeitschriftenartikel zum Thema "Prédiction de contacts"
Normandeau, Sylvie, und Isabelle Nadon. „La participation des parents à la vie scolaire d’enfants de deuxième année“. Articles 26, Nr. 1 (17.10.2007): 151–72. http://dx.doi.org/10.7202/032032ar.
Der volle Inhalt der QuelleTremblay, Richard E., Lise Desmarais-Gervais, Marc LeBlanc und Alexandre Schwartzman. „La prédiction des contacts avec le tribunal de la jeunesse : utilisation de l’évaluation du comportement par les pairs au début de l’école primaire“. Criminologie 19, Nr. 2 (16.08.2005): 33–48. http://dx.doi.org/10.7202/017239ar.
Der volle Inhalt der QuelleFouvry, S., Ph Kapsa und L. Vincent. „Prédiction de l’amorçage dans un contact soumis à la sollicitation de fretting“. Revue de Métallurgie 96, Nr. 9 (September 1999): 1131–42. http://dx.doi.org/10.1051/metal/199996091131.
Der volle Inhalt der QuelleRousseau, Clément, Marcel Lacroix und Martin Désilets. „Prédiction par transfert inverse d’un champ de conductance thermique de contact dans un mur de réacteur métallurgique“. Mechanics & Industry 15, Nr. 4 (2014): 331–42. http://dx.doi.org/10.1051/meca/2014020.
Der volle Inhalt der QuelleFerchichi, M., H. Daghfous, A. Ben Mansour, O. Naffati, S. Bel Hadj, S. Ben Saad und F. Tritar. „Les facteurs prédictifs de multirésistance chez les contacts familiaux de patients atteints de tuberculose multirésistante“. Revue des Maladies Respiratoires Actualités 13, Nr. 1 (Januar 2021): 233. http://dx.doi.org/10.1016/j.rmra.2020.11.524.
Der volle Inhalt der QuelleMillaud, Frédéric. „L'homicide chez le patient psychotique: une étude de 24 cas en vue d'une prédiction à court terme“. Canadian Journal of Psychiatry 34, Nr. 4 (Mai 1989): 340–46. http://dx.doi.org/10.1177/070674378903400415.
Der volle Inhalt der QuelleKawazoe, Y., und D. Suzuki. „Prédiction d'impact entre la balle et la raquette en termes de forces de contact, temps de contact, coefficients de restitution et sensations en tennis de table“. Les Cahiers de l'INSEP 35, Nr. 1 (2005): 249–50. http://dx.doi.org/10.3406/insep.2005.1860.
Der volle Inhalt der QuelleHAMLAT, Smail. „Apport de la mécanique du contact pneu-chaussée dans la prédiction de l'évolution de la texture de surface d'un revêtement routier“. Revue Européenne de Génie Civil 10, Nr. 8 (September 2006): 1010. http://dx.doi.org/10.1080/17747120.2006.9692890.
Der volle Inhalt der QuelleSchmitt, D. „Cellules dendritiques et allergie cutanée : la cellule de Langerhans dans l'allergie de contact et les tests prédictifs in vitro“. Revue Française d'Allergologie et d'Immunologie Clinique 37, Nr. 3 (Mai 1997): 243–52. http://dx.doi.org/10.1016/s0335-7457(97)80156-6.
Der volle Inhalt der QuelleOmar, A., C. Galarraga, Néjib Khouri, Vincent Vigneron, Bernadette Dorizzi und Eric Desailly. „Machine learning et chirurgie neuro-orthopédique – prédiction de la flexion du genou et de l’antéversion du bassin postopératoires au contact initial chez les enfants atteints de paralysie cérébrale“. Revue de Chirurgie Orthopédique et Traumatologique 101, Nr. 7 (November 2015): S159. http://dx.doi.org/10.1016/j.rcot.2015.09.053.
Der volle Inhalt der QuelleDissertationen zum Thema "Prédiction de contacts"
Coulon, Sandrine. „Prédiction de la durée de vie des contacts ponctuels lubrifiés en présence d'indentations“. Lyon, INSA, 2001. http://www.theses.fr/2001ISAL0038.
Der volle Inhalt der QuelleThe purpose of this work is to predict the rolling contact fatigue (RCF) life reduction and analyze the failure process for lubricated indented point contacts. A first part studies the influence of a dent on the pressure and stress field from a numerical and analytical point of view. An analytical relation of the pressure peak versus two geometric dent parameters is obtained: slope, ratio between the dent depth over the dent diameter, and shoulder radius of curvature. The stress analysis leads to a damage criterion. Based on a local approach, the endurance limit criterion is representative of the contact severity. Complemented with a stressed volume analysis, a damaged risk is defined. Finally, a damage risk abacus as a function of the two parameters mentioned previously is presented. The results predicted with these two criteria are compared to RCF tests performed on a two disk-machine. A second part is dedicated to the damage process and its analysis. Two kinds of defects are studied, artificial ones made with a Rockwell penetrator, and natural ones obtained from solid particles passing through the contact. Whatever the considered dent, the plastic deformation due to the over rolling occurs in the very first cycles, quickly leading to a stabilized geometry. Depending on the test conditions (load, speed, slide to roll ratio), geometric and hydrodynamic damage effects are identified. The analysis of the direction of the crack propagation is studied using cross-sections. This work represents a step forward in the prediction and understanding of the influence of solid particle contamination on fatigue life
Allain, Fabrice. „Calcul efficace de la structure des protéines à partir de contacts évolutifs“. Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066366/document.
Der volle Inhalt der QuelleStructural prediction methods provide a relatively effective alternative to experimental approaches to provide a first insight into native folding of a protein. The gap between the number of structures and protein sequences available in databases has steadily increased since the advent of high throughput sequencing technologies. This strong growth of genomic information helped bring to light prediction tools using coevolutionary data. Conservation of a specific function implies strong restraints on interacting residues involved in the folding and function. Once detected, these interactions can help to model the conformation of a protein. Some important aspects needs to be improved during the modelling process including the detection of false positive among the predicted contacts. Limitations in the field are similar to those encountered in nuclear magnetic resonance spectrometry structure determination where data integration is a clearly established and largely automated process. The Ambiguous Restraints for Iterative Assignment (ARIA) software uses the concept of ambiguous distance restraints and follows an iterative process to assign and refine the list of nearby nuclei in space to compute a set of structural models in accordance with the data. This work aims to adapt this approach to de novo predict the structure of a protein using evolutionary information
Allain, Fabrice. „Calcul efficace de la structure des protéines à partir de contacts évolutifs“. Electronic Thesis or Diss., Paris 6, 2017. http://www.theses.fr/2017PA066366.
Der volle Inhalt der QuelleStructural prediction methods provide a relatively effective alternative to experimental approaches to provide a first insight into native folding of a protein. The gap between the number of structures and protein sequences available in databases has steadily increased since the advent of high throughput sequencing technologies. This strong growth of genomic information helped bring to light prediction tools using coevolutionary data. Conservation of a specific function implies strong restraints on interacting residues involved in the folding and function. Once detected, these interactions can help to model the conformation of a protein. Some important aspects needs to be improved during the modelling process including the detection of false positive among the predicted contacts. Limitations in the field are similar to those encountered in nuclear magnetic resonance spectrometry structure determination where data integration is a clearly established and largely automated process. The Ambiguous Restraints for Iterative Assignment (ARIA) software uses the concept of ambiguous distance restraints and follows an iterative process to assign and refine the list of nearby nuclei in space to compute a set of structural models in accordance with the data. This work aims to adapt this approach to de novo predict the structure of a protein using evolutionary information
Muscat, Maureen. „Machine learning and co-evolution methods for protein-protein interactions“. Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS507.
Der volle Inhalt der QuelleIn this thesis, we focus on the use of machine learning to solve the problem of the prediction of protein-protein interactions (PPI). The study of PPI is a central problem in biology, as proteins interact with each other to form complex networks that carry out the biological functions of cells. Experimental techniques to determine when and how proteins interact are very costly and time-consuming, so there is a great need for computational methods that can predict PPIs. We will explore the use of machine learning based on coevolution and deep learning for PPI prediction. Coevolutionary methods such as Direct Coupling Analysis have been used successfully for a number of different tasks, such as the prediction of intra-protein contacts, inter-protein contacts, and the prediction of mutational landscape. During my Ph.D., I developed a supervised machine learning algorithm to predict inter-domain and inter-protein contact maps called FilterDCA. The aim was to add some supervision, using typical contact patterns, while keeping the tool interpretable. I have also worked on PPIs in the SARS-CoV2 virus and on a multi-protein complex present in some bacteria membranes
Laporte, Julie. „Etude et modélisation de l'endurance électrique de micro-contacts soumis à des sollicitations de fretting-usure : caractérisation de nouveaux dépôts base Argent“. Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEC034/document.
Der volle Inhalt der QuelleAdvanced instrumentation in mechanical systems (aeronautical, automobile etc…) goes hand in hand with an ever increased use of electrical connectors. However, the unfavorable operating environment (chemical attack and vibrational loads) causes more or less severe degradation of electrical contacts, which in turn perturbs their electrical conductivity. Gold plating is usually applied in electrical contacts in order to limit damage and to ensure connector stability. However, economic constraints and the high cost of gold require cheaper alternatives. Amongst conductive metals, silver is the best candidate. Hence, the purpose of this PhD project is to investigate the electrical response and the degradation of silver coatings when subjected to fretting loadings. The study is divided into three main research axes. The first axis consists in realizing a complete study of a homogeneous silver/silver contact in order to identify the degradation mechanisms that are responsible for the electrical failure, both in fretting loadings and reciprocating sliding. It was possible to formalize a predictive model, using an energy density approach, allowing to extrapolate the lifetime of the contact as a function of various loading parameters. A complementary study also showed the impact of a corrosive sulfur atmosphere on these electric contacts. As part of the second research axis, an investigation of the tribological and electrical behavior of novel silver-based materials, solely synthesized as a gold replacement, was performed. The analysis of these homogeneous contacts allowed to explain the degradation mechanism and the mechanical behavior of these contacts when subjected to a wet environment. In the last research axis a study was led on the same silver-based materials but in a heterogenous configuration against a gold coating in order to identify the tribological and electrical behavior of these contacts when composed by materials with similar or opposite properties
Parent, Marie-Océane. „Prédiction de la stabilité en contact rotor-stator dans les turboréacteurs d'avion“. Thesis, Ecully, Ecole centrale de Lyon, 2015. http://www.theses.fr/2015ECDL0004/document.
Der volle Inhalt der QuelleThis work aims to predict the dynamic stability of a turbofan engine submitted to light contacts between blade tips and casing. Reducing the clearance between the rotating blades and the casing improves indeed the performances of turbomachines ; however, it also increases the possible contacts between rotating and stationary parts, which can cause unstable dynamic behavior. The approach is based on a hybrid model which introduces a simplified bladed wheel and a flexible casing to a rotor-shaft model. A 3D contact formulation has also been implemented ; it considers the model kinematic and introduces the local geometry of the contact area. The model behavior with blade-to-casing contacts is analyzed through two approaches : the first one assumes permanent contacts while the other one allows contact intermittence. The results highlight the importance of couplings in the outbreak of unstable phenomena and the relevance of the 3D contact formulation in predicting the stability of the system
Legrand, Mathias. „Modèles de prédiction de l'interaction rotor/stator dans un moteur d'avion“. Phd thesis, Ecole centrale de nantes - ECN, 2005. http://tel.archives-ouvertes.fr/tel-00011631.
Der volle Inhalt der QuelleFourty, Guillaume. „Recherche de contraintes structurales pour la modélisation ab initio du repliement protéique“. Paris 7, 2006. http://www.theses.fr/2006PA077101.
Der volle Inhalt der QuelleUnderstanding the protein folding process and predicting protein structures from sequence data only remain two challenging questions for structural biologists. In this work, we first observe highly frequent proximities between N- and C-termini of protein domain, probably reflecting early stages of folding. Then we address the problem of polymer folding on regular lattices. We enumerate Hamiltonian Orbits and Cyclic Hamiltonian Orbits on n x n square lattices to evaluate the conformational space reduction associated to the termini contact constraint. Exhaustive Exploration of those maximally compact structures provides a baseline for minimum search algorithm in the HP- folding problem. Finally, we study multiple alignments at low sequence identity and introduce topohydrophobicity, a measure of topohydrophobicity conservation. We use it through decision tree to predict structural features such as Central/Edge position of beta strands in beta sheets and solvent accessibility (RAPT - Relative Accessibility Prediction Tool). These data can be used in ab initio prediction procedures of protein structures
Degré, Fabien. „Prédiction numérique des caractéristiques d'une pièce traitée par galetage : application au secteur du décolletage“. Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00729061.
Der volle Inhalt der QuelleCaignot, Alain. „Prédiction par essais virtuels de l'amortissement dans les structures spatiales“. Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2009. http://tel.archives-ouvertes.fr/tel-00422291.
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