Academic literature on the topic 'Surface ouverte'
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Journal articles on the topic "Surface ouverte"
Meilliez, Francis, and Jean-Jacques Belin. "Territoire et matériaux, géologie et histoire : visite en pays de Pévèle." Annales de la Société géologique du Nord - (2e Série), Tome 29, no. 29 (December 1, 2022): 121–32. http://dx.doi.org/10.54563/asgn.1932.
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 textBROOKES, IAN A. "LETTRE OUVERTE AUX SPECIALTIES DE LA GEOCRAPHIE PHYSIQUE TRAVAILLANT AU CANADA." Canadian Geographer/Le Géographe canadien 31, no. 4 (December 1987): 340–41. http://dx.doi.org/10.1111/j.1541-0064.1987.tb01659.x.
Full textGiband, David. "Gérard Soutadé, Quand la terre s’est ouverte en Roussillon. L’aiguat – octobre 1940." Sud-Ouest européen, no. 30 (December 1, 2010): 140. http://dx.doi.org/10.4000/soe.1330.
Full textRoch, Alexandra. "Penser le legs du marronnage à la Martinique au 21ème siècle." Recherches Francophones: Revue de l'Association internationale d'étude des littératures et des cultures de l'espace francophone (AIELCEF) 2, no. 1 (June 30, 2022): 24–41. http://dx.doi.org/10.26443/rcfr.v2i1.381.
Full textSellier, Dominique. "Le felsenmeer du mont Gausta (Telemark, Norvège) : environnement, caractères morphologiques et significations paléogéographiques." Géographie physique et Quaternaire 49, no. 2 (November 30, 2007): 185–205. http://dx.doi.org/10.7202/033036ar.
Full textKyale, Daniel, Shadrack Ngene, and John Maingi. "Biophysical and human factors determine the distribution of poached elephants in Tsavo East National Park, Kenya." Pachyderm 49 (June 30, 2011): 48–60. http://dx.doi.org/10.69649/pachyderm.v49i.250.
Full textBertran, Pascal, Bernard Francou, and Pierre Pech. "Stratogenèse associée à la dynamique des coulées à front pierreux en milieu alpin, La Mortice, Alpes méridionales, France." Géographie physique et Quaternaire 47, no. 1 (November 23, 2007): 93–100. http://dx.doi.org/10.7202/032933ar.
Full textPumain, Denise. "Jensen P. (2018). Pourquoi la société ne se laisse pas mettre en équations. Paris : Le Seuil, coll. « Science ouverte », 336 p." L’Espace géographique Tome 48, no. 1 (May 16, 2019): IV. http://dx.doi.org/10.3917/eg.481.0090d.
Full textAllard, Michel. "L’anse aux Canards, île d’Orléans, Québec : évolution holocène et dynamique actuelle." Géographie physique et Quaternaire 35, no. 2 (February 1, 2011): 133–54. http://dx.doi.org/10.7202/1000433ar.
Full textDissertations / Theses on the topic "Surface ouverte"
Bahrim, Bogdana Mioara. "Transfert de charge dans les collisions atome-surface métallique : application aux systèmes à couche ouverte." Paris 11, 1996. http://www.theses.fr/1996PA112236.
Full textLaroussi, Myriam. "Modélisation du comportement des mousses solides à porosité ouverte : une approche micromécanique." Phd thesis, Ecole des Ponts ParisTech, 2002. http://tel.archives-ouvertes.fr/tel-00005743.
Full textCe travail est dédié à létude de lorigine de la phase de plateau dans le cas des mousses élastiques à porosité ouverte. Celle-ci est attribuée au flambement élastique des arêtes des cellules. Létude repose sur la théorie de lhomogénéisation non convexe. En effet, on modélise la mousse par une microstructure tridimensionnelle périodique en prenant en compte les non-linéarités géométriques.
Dans un premier abord, on étudie deux cas de chargement en grandes transformations : une compression uniaxiale et une déformation uniaxiale (ou compression oedométrique). Les calculs sont faits sur des cellules détude de plus en plus grandes. Dans le cas de cellules détude pas « suffisamment grandes », on introduit une imperfection dans la position des nuds pour initier le flambement.
Ensuite, on applique des chargements multiaxiaux pour déterminer une surface de charge dans lespace des contraintes, marquant la limite de passage de la phase élastique initiale à la phase de plateau. La surface de charge, dite micro, est obtenue en considérant des variations du déplacement périodiques sur des cellules détude de plus ne plus grandes. Cest une surface de charge du type Drucker-Prager modifiée. On introduit également une nouvelle surface de charge, dite mixte, plus aisée à calculer et qui coïncide avec la surface micro dans le cas étudié.
Enfin, pour valider les résultats numériques, on réalise une étude expérimentale sur une mousse de caril.
Dari, Carolina. "New innovative methods for cleaning surfaces using foams based on bio-based surfactants." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILR038.
Full textIn the food industry, surfaces contaminated with microorganisms are a major cause of cross-contamination, resulting in foodborne illness and food waste. Despite thorough cleaning efforts, foodborne illness rates are rising, suggesting current practices are insufficient. Traditional cleaning methods also consume large amounts of water, energy, and chemicals, raising sustainability and environmental concerns. The industry is exploring more sustainable alternatives, such as dry-cleaning methods, eco-friendly products, and advanced control systems, to reduce resource consumption while maintaining hygiene standards. One promising alternative for cleaning closed surfaces is the use of foam, a method already used for open surfaces. Foam cleaning can potentiallyreduce water, energy, and chemical consumption. The aim of this thesis is to study the links between foam properties and removal of microorganisms from both open and closed surfaces, and explores innovative cleaning techniques to develop more sustainable and efficient methods for the food industry.The first part is dedicated to the cleaning of open surfaces, i.e., static foam cleaning. Here we study the removal of hydrophilic and hydrophobic Bacillus subtilis spores from stainless steel surfaces by using foams. The model foams are formulated with bio-based surfactants (10-hydroxystearic acid and sodium cocoyl isethionate). The relationship between bubbles size and foam liquid fraction and the decontamination efficiency is investigated to determine the mechanisms of foam action. Foams themselves can decontaminate surface soiled with spores, most probably by wiping and imbibition mechanisms. Foams with smaller bubbles size have the highestdecontamination efficiency. Under the conditions studied, the liquid fraction is not the main parameter governing the decontamination efficiency.The second part is dedicated to the cleaning of closed surfaces, i.e., foam flow cleaning. Here we study the efficiency of foam flow formulated with a model surfactant (Sodium dodecyl sulfate) in comparison with foam flow formulated with bio-based surfactants (alkyl polyglucosides) to remove hydrophilic spores from pipes. We demonstrate similar efficiency for short cleaning times). In addition, through a life cycle assessment we demonstrate the reduction of several environmental impacts with the use of bio-based surfactant compared to the model surfactant.The third part is dedicated to the stabilization of water-in-water emulsions and the production of a foamulsion based ont these emulsions. We study the stabilization of PEG-in-Dextran emulsions with lamellar gel networks based on alkyl polyglucosides and fatty alcohols. We show that highly stable emulsions are obtained over a long period of time for specific formulation conditions. We also demonstrate for the first time the production of a foamulsion based on water-in-water emulsions
Biquard, Olivier. "Fibrés holomorphes et connexions singulières sur une courbe ouverte." Palaiseau, Ecole polytechnique, 1991. http://www.theses.fr/1991EPXX0021.
Full textMezouari, Abderrahmane. "Etude d'un resonateur electromagnetique ouvert a ondes de surface." Clermont-Ferrand 2, 1987. http://www.theses.fr/1987CLF2S882.
Full textMezouari, Abderrahmane. "Etude d'un résonateur électromagnétique ouvert à ondes de surface." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37607990b.
Full textMéheust, Yves. "Écoulements dans les Fractures Ouvertes." Phd thesis, Université Paris Sud - Paris XI, 2002. http://tel.archives-ouvertes.fr/tel-00008477.
Full textBeudaert, Xavier. "Commande numérique ouverte : interpolation optimisée pour l'usinage 5 axes grande vitesse des surfaces complexes." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2013. http://tel.archives-ouvertes.fr/tel-00918816.
Full textBammou, Lahcen. "Instabilité thermoconvective d'un écoulement Poiseuille-Rayleigh-Bénard-Marangoni en canal ouvert à surface libre." Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3030/document.
Full textSeveral studies both numerical and experimental have reported the presence of thermal instabilities in liquid films uniformly heated from below for specific boundary conditions and flows. The presence of these instabilities modifies the associated heat transfer. The subject of this PhD thesis is to study numerically the instability of three-dimensional laminar mixed convection within a liquid flowing on a horizontal channel heated uniformly from below. The upper surface is free and assumed to be flat. The variations of the surface tension with the temperature (Marangoni effect or thermocapillary effect) are taken into account. Although of great interest for many industrial applications, this problem has received little attention from an academic point of view. In this configuration, several types of thermoconvective structures may appear. When the strength of the buoyancy, thermocapillary effects and forced convective currents are comparable, the results show the development of instabilities in the form of steady longitudinal convective rolls similar to those encountered in the Poiseuille-Rayleigh-Bénard flow. To our knowledge, this is the first time that the Poiseuille-Rayleigh-Bénard flow associated to the Marangoni effects has been investigated. The number and spatial distribution of the convective rolls along the channel depend on the flow conditions. We propose a numerical study on the flow conditions that could lead to thermal instabilities with an evaluation of their effect on the heat transfer. The coupled Navier-Stokes and energy equations are solved numerically by the finite volume method taking into account the thermocapillary effects. The results presented concern the influence of several control parameters (the Reynolds, Rayleigh, Biot and Marangoni numbers and the aspect ratio of the channel) on the flow patterns and heat transfer characteristics. In the second part of this work, complimentary to the first, a linear stability analysis of a horizontal liquid film flowing in an open channel, with infinite lateral extension and uniform heating from below, is carried out. An eigenvalue problem is obtained in the course of this analysis which is solved numerically using the Chebyshev collocation spectral method. The stability diagrams determining the threshold parameters leading to thermoconvective instabilities were obtained and analyzed as well as the associated spatial patterns
Danilo, Céline. "Évaluation des courants de surface océanique au moyen d'un radar à ouverture synthétique." Phd thesis, Université de Bretagne occidentale - Brest, 2009. http://tel.archives-ouvertes.fr/tel-00560597.
Full textBooks on the topic "Surface ouverte"
Continuous Surface Mining2nd Intl. Taylor & Francis, 1988.
Find full textOff Highway Haulage in Surface Mining. Taylor & Francis, 1989.
Find full textRotary drilling and blasting in large surface mines. Leiden, The Netherlands: CRC Press/Balkema, 2011.
Find full textBook chapters on the topic "Surface ouverte"
Coqueugniot, Hélène. "Paléo-imagerie par rayons X : une méthode d’exploration transdisciplinaire, de l’archéologie à la chirurgie Hélène." In Regards croisés: quand les sciences archéologiques rencontrent l'innovation, 139–56. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.3794.
Full textReports on the topic "Surface ouverte"
Snyder, D. B., A. Vaillancourt, B. A. Kjarsgaard, G. Savard, and E. A. de Kemp. 3-D mantle structure of the Superior Craton. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/p8zz9che61.
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