Academic literature on the topic 'Étude de vieillissement'
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Journal articles on the topic "Étude de vieillissement"
Bouisson, Jean. "Étude des stratégies de vieillissement." Psychologie clinique et projective 9, no. 1 (2003): 457. http://dx.doi.org/10.3917/pcp.009.0457.
Full textNoubicier, Agnès Florette, and Michèle Charpentier. "Vieillissement réussi : perception des femmes aînées immigrantes de l’Afrique noire à Montréal." Mosaïque 38, no. 2 (March 21, 2014): 277–95. http://dx.doi.org/10.7202/1024000ar.
Full textKirkland, Susan A., Parminder S. Raina, Christina Wolfson, Geoff Strople, Olga Kits, Steven Dukeshire, Camille L. Angus, et al. "Exploring the Acceptability and Feasibility of Conducting a Large Longitudinal Population-Based Study in Canada." Canadian Journal on Aging / La Revue canadienne du vieillissement 28, no. 3 (September 2009): 231–42. http://dx.doi.org/10.1017/s0714980809990043.
Full textNové-Josserand, L., G. Walch, P. Adeleine, and P. Courpron. "Étude du vieillissement naturel de l’épaule." Revue de Chirurgie Orthopédique et Réparatrice de l'Appareil Moteur 91, no. 6 (October 2005): 508–14. http://dx.doi.org/10.1016/s0035-1040(05)84440-x.
Full textCarlson, John C., and William F. Forbes. "The Free Radical Theory of Aging: A Critique and Unresolved Questions." Canadian Journal on Aging / La Revue canadienne du vieillissement 11, no. 3 (1992): 262–68. http://dx.doi.org/10.1017/s071498080001148x.
Full textWilson, Kimberley, Katherine Kortes-Miller, and Arne Stinchcombe. "Staying Out of the Closet: LGBT Older Adults’ Hopes and Fears in Considering End-of-Life." Canadian Journal on Aging / La Revue canadienne du vieillissement 37, no. 1 (January 16, 2018): 22–31. http://dx.doi.org/10.1017/s0714980817000514.
Full textMichon, Lucie. "Quelques remarques pour l’étude du vieillissement de la population du Québec." Cahiers québécois de démographie 6, no. 2 (October 28, 2008): 76–83. http://dx.doi.org/10.7202/600743ar.
Full textRoberge, Anne, and Denis Morin. "Évaluation du vieillissement de la population par l’indice de Coulson et l’âge médian." Cahiers de géographie du Québec 29, no. 78 (April 12, 2005): 383–403. http://dx.doi.org/10.7202/021741ar.
Full textChagneau, M. "Musicothérapie et vieillissement." European Psychiatry 29, S3 (November 2014): 667. http://dx.doi.org/10.1016/j.eurpsy.2014.09.062.
Full textRaina, Parminder S., Christina Wolfson, Susan A. Kirkland, Lauren E. Griffith, Mark Oremus, Christopher Patterson, Holly Tuokko, et al. "The Canadian Longitudinal Study on Aging (CLSA)." Canadian Journal on Aging / La Revue canadienne du vieillissement 28, no. 3 (September 2009): 221–29. http://dx.doi.org/10.1017/s0714980809990055.
Full textDissertations / Theses on the topic "Étude de vieillissement"
Ltifi, Mounir. "Étude expérimentale du vieillissement d'un sol argileux." Vandoeuvre-les-Nancy, INPL, 1998. http://www.theses.fr/1998INPL103N.
Full textJacquot, Charlotte. "Vieillissement des bio-polymères : étude structurale et fonctionnelle." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0293/document.
Full textToday's increased environmental concerns and the growing questions about disposal management are contributing to growth in biopolymer industry. These materials are used in various fields such as pharmaceutic, bioengineering or tissue engineering as cell support, food formulation or packaging. In spite of a positive perception of biopolymers to improve environmental issues, biopolymers properties remain unknown, even though their biodegradability is well documented. Here we consider the influence of aging in climatic chamber on different biopolymers (HPMC, Chitosan and PLA) and in to what extent it could modify their structure and properties. Moreover, considering the opportunity for theses materials to be used as food packaging, influence of microwave heating was also tested on chitosan films. The food consumption trends tend, indeed, to the development of ready-to-eat meal that is why it is crucial to investigate theses biopolymers behavior when used in microwave oven in food contact. The aim of this study is to bring new knowledge of theses materials and to guarantee an optimal and safe use as a food contact packaging. The results showed several deep modifications in the biopolymers structure such as chain scissions or crystallization. These modifications involved a decrease in the polymer's properties. Chitosan films, exposed to increasing microwave heating times, showed gradually increasing yellowing. Maillard neoformed compounds are responsible for this color change and could be deleterious for consumer safety because of the possibility of migration in case of food contact
Deroiné, Morgan. "Étude du vieillissement de biopolymères en milieu marin." Thesis, Lorient, 2014. http://www.theses.fr/2014LORIS354/document.
Full textPollution of nature by plastics is a major environmental problem and better management of the lifetime of polymers is a major challenge for the future. In recent years, bio-based and biodegradable polymers, such as polylactide (PLA), or polyhydroxyalkanoates (PHA) have appeared as an alternative solution in order to solve these problems. One of the limits remains the relative lack of knowledge of their lifetime and degradation behaviour in aqueous environments, and more specifically in the marine environment. In this study natural and accelerated ageing tests were performed under several conditions, distilled water, filtered and renewed seawater and natural seawater, at different temperatures, in order to decouple enzymatic and hydrolytic mechanisms. The aim of this study is to establish a baseline on degradation mechanisms and kinetics, in order to make lifetime predictions of biopolymer behaviour in seawater.Degradation phenomena have been identified. Biodegradation tests were also performed in a marine environment by following the release of CO2. Then, lifetime predictions of the properties of these biopolymers at seawater temperature were made using two different approaches
Marchalot, Julien. "Étude du vieillissement d’une mousse bidimensionnelle dans un système microfluidique." Cachan, Ecole normale supérieure, 2009. http://www.theses.fr/2009DENS0017.
Full textArnaud, Laurence. "Vieillissement normal et pathologique : étude des variations stratégiques en arithmétique." Aix-Marseille 1, 2005. http://www.theses.fr/2005AIX10091.
Full textHoarau, Martine. "Apprentissage implicite et vieillissement : étude de l'acquisition incidente de règles." Montpellier 3, 2003. http://www.theses.fr/2003MON30003.
Full textIn this study, we compared old and young subjects performance in implicit and explicit learning conditions. We presented tasks which differ in the nature of the material (verbal vs visuo-spatial) and the level of processing (associative vs inferential) required to perform the tasks. First, the hypothesis of the reduction of attentional resources with age suggest that the elderly subjects (i) would perform better in implicit than in explicit learning condition and (ii) would perform better the associative than the inferential tasks. Second, the hypothesis of a decline of visuospatial abilities and a preservation of verbal abilities with age suggest that the elderly would perform better the verbal than the visuospatial tasks. The results indicate the effects of the nature of the material and of the level of processing, but no effect of the learning condition. Theses results suggest that aging leads both to the deficit of global resources and to the decline of specific type of processing
Safari, Mohammadhosein. "Vieillissement des batteries à ions lithium : étude expérimentale et modélisation." Amiens, 2011. http://www.theses.fr/2011AMIE0106.
Full textThe focus of this dissertation is on aging and life prediction of lithium-ion batteries under different modes of operation. To this end, two different approaches are demonstrated in this thesis: the application of an empirical methodology derived from concepts used in mechanical fatigue and analysis of experimental aging data assisted by physics-based simulation. In a physics-based model, the behavior of the cell is described using a set of relevant governing equations. The cell performance can readily be simulated under different modes of operation and moreover, the explicit inclusion of aging phenomena in the set of governing equations might be used to simulate the performance fade of the cell. An originality of our work is to evaluate the prediction capability of the empirical approach using such a physics-based model of a graphite/LiCoO2 cell experiencing a single source of aging [i. E. , the growth of a solid electrolyte interphase (SEI) at the graphite electrode] as a dummy battery. We show that the empirical Palmgren-Miner rule (PM), well-known in the field of mechanical fatigue, is a valid and accurate damage-accumulation law for our case study. Additionally, we propose and validate another relationship for the loss accumulation over time. We demonstrate that the two developed methodologies can successfully predict the life of the cell under a given complex current profile with slightly better prediction ability for the case of the PM rule. The power of simulation-based analysis in aging study of Li-ion batteries is demonstrated for analyzing experimental aging data of a commercial graphite/LiFePO4 cell. Performance decay of this cell during either open-circuit-potential storage or under cycling conditions at 25 and 45°C during one year is monitored by non-destructive electrochemical techniques and is analyzed with the aid of post-mortem analyses and simulations of the cell performance over the course of aging. Data analysis reveals that the aging manifests itself more in terms of capacity loss rather than in terms of impedance increase, regardless of cycling or storage conditions and of temperature. The capacity fade is larger at 45 than at 25°C, regardless of cycling or storage conditions, and at a same temperature, cycling conditions are always more detrimental to capacity fade than storage conditions. An in-depth understanding of capacity-loss mechanism under both storage and cycling conditions is gained by refining some parameters of a mathematical model of the cell at different extents of aging. To do so, first, a simple while accurate model of the cell (without aging) is developed and validated that is able to properly account for the experimental charge/discharge (from C/10 to 1C) and path-dependence effects of the cell. In this model, the LiFePO4 electrode is treated based on a resistive-reactant concept with multiple particles whereas a single-particle approach is used to model the graphite electrode. The simulation-based analysis of the aging data reveals that the capacity fade during cell storage only results from the loss of cyclable lithium because of side reactions whereas the loss of graphite active material is an additional source of aging for the cells under cycling conditions. A simple kinetic analysis of electrode/electrolyte interactions is provided for the cells under storage conditions. Moreover, the growth of SEI at the graphite electrode under storage conditions is simulated in order to refine the solvent-reduction kinetic parameters and solvent diffusion coefficient in the SEI layer. From the analysis, it is shown that the SEI growth during storage is under mixed kinetic/diffusion control
Morissette-Thomas, Vincent. "Étude du vieillissement et des systèmes biologiques: une approche multidimensionnelle." Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/8179.
Full textRoy-Bellavance, Catherine. "Génétique du vieillissement : étude du rôle du gène R148.3 dans le processus de vieillissement chez l'organisme modèle Caenorhabditis elegans." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/31688.
Full textWe are currently witnessing the global aging of the population. In almost every country, the age group of 60 and over is growing faster than any other group. The WHO estimates that by 2050, more than 1 in 5 people will be 60 years or older. Aging is characterized by a gradual loss of function of many physiological processes. This biological process affects each species and each individual independently. Many factors, both individual (behavior, genetics, disease) and environmental (geographical location, socio-economic, pollution) will influence aging. Aging is also an important risk factor for the development of many diseases such as type 2 diabetes, atherosclerosis and cardiovascular diseases. It has already been reported in the literature that modulation of a single gene can influence, both positively and negatively, the aging process of an individual. Genes with effects on this process are usually genes that play an important role in a signalling pathway, and therefore are often conserved across evolution. The work described in this thesis shows the involvement of the R148.3 gene in the aging process of the nematode C. elegans. This gene appears to be involved in various metabolic pathways that may impact on long-term health of nematodes. R148.3 appears to regulate lipid metabolism and fat depots, as well as the resistance to stress. Inactivation of this gene causes adverse effects that lead to rapid degradation of several metabolic functions and the premature death of worms. The results obtained in this study confirm the link between R148.3 and healthy aging control in C. elegans. The next steps in this research would be to demonstrate these functions in mammals.
Beauguitte, Dimitri. "Étude du vieillissement électrique du polyéthylène téréphtalate pour applications haute tension." Montpellier 2, 2009. http://www.theses.fr/2009MON20189.
Full textIn most high voltage gas insulated switchgears (GIS), electrical conductors are maintained by insulating materials based on epoxy resin. Due to economical and environmental problems (difficulties to recycle), these materials are subject to be replaced by thermoplastic polymers. This study focuses on the analysis of dielectric properties and behaviour of polyethylene terephtalate, intended to be used in GIS and other high voltage applications. Several properties of thick PET layers at initial state (breakdown strength, resistivity, dielectric constant, loss factor, resistance to partial discharges, conduction properties) are studied at different temperatures. An accelerated electrothermal ageing study undertaken under ac field (50 Hz) is presented in order to approach the limits of use of the materials and to evaluate its long term behaviour
Books on the topic "Étude de vieillissement"
Payette, Hélène. La Cohorte québécoise pour l'étude de la nutrition et du vieillissement réussi: Étude pilote : rapport final. Sherbrooke, Qué: Réseau de recherche en géronto-gériatrie du Québec, Axe nutrition et vieillissement réussi, 2001.
Find full textDesrosiers, Johanne. Le vieillissement de la performance des membres supérieurs des personnes de 60 ans et plus: Étude longitudinale : projet PNRDS #6605-4651-403. Sherbrooke, Qué: Centre de recherche en gérontologie et gériatrie, 1997.
Find full textConseil sur le vieillissement d'Ottawa-Carleton. Violence et négligence envers les personnes âgées: Rapport d'une étude menée par le Comité spécial sur la violence et la négligence envers les personnes âgées du Conseil sur le vieillissement d'Ottawa-Carleton. Ottawa, Ont: Conseil sur le Vieillissement d'Ottawa-Carleton, 1987.
Find full textContinuity and adaptation in aging: Creating positive experiences. Baltimore, MD: Johns Hopkins University Press, 1999.
Find full textAnthony, Chiriboga David, ed. Change and continuity in adult life. San Francisco: Jossey-Bass Publishers, 1990.
Find full textVaillant, George E. Aging well: Surprising guideposts to a happier life from the landmark Harvard study of adult development. Boston, MA: Little, Brown and Company, 2002.
Find full textBarbara, LeRoy, ed. Women with disabilities aging well: A global view. Baltimore, MD: Paul H. Brookes Pub., 2004.
Find full textAging with grace: What the nun study teaches us about leading longer, healthier, and more meaningful lives. New York: Bantam Books, 2001.
Find full textBook chapters on the topic "Étude de vieillissement"
"Faire face au vieillissement démographique." In Études économiques de l'OCDE : France, 121–43. OECD, 2007. http://dx.doi.org/10.1787/eco_surveys-fra-2007-6-fr.
Full text"Les conséquences économiques du vieillissement." In Études économiques de l'OCDE : Finlande 2014, 53–84. OECD, 2015. http://dx.doi.org/10.1787/eco_surveys-fin-2014-5-fr.
Full text"Priorités budgétaires en prévision du vieillissement." In Études économiques de l'OCDE : Finlande, 175–217. OECD, 2005. http://dx.doi.org/10.1787/eco_surveys-fin-2004-6-fr.
Full text"Faire face au vieillissement de la population." In Études économiques de l'OCDE : Pays-Bas 2002, 131–66. OECD, 2003. http://dx.doi.org/10.1787/eco_surveys-nld-2002-7-fr.
Full text"Vieillissement, réforme des pensions et finances publiques à long terme." In Études économiques de l'OCDE : Finlande, 45–61. OECD, 2004. http://dx.doi.org/10.1787/eco_surveys-fin-2003-4-fr.
Full text"Les dépenses sociales publiques dans le contexte d'un vieillissement démographique rapide." In Études économiques de l'OCDE : Corée, 111–62. OECD, 2008. http://dx.doi.org/10.1787/eco_surveys-kor-2007-7-fr.
Full text"Faire face à la crise de l'emploi et anticiper le vieillissement." In Études économiques de l'OCDE : Finlande, 87–113. OECD, 2010. http://dx.doi.org/10.1787/eco_surveys-fin-2010-6-fr.
Full text"S'adapter aux nouveaux termes de l'échange, au vieillissement et au changement climatique." In Études économiques de l'OCDE : Canada, 21–44. OECD, 2008. http://dx.doi.org/10.1787/eco_surveys-can-2008-3-fr.
Full text"Réformer le marché du travail pour faire face à un dualisme grandissant et au vieillissement démographique." In Études économiques de l'OCDE : Japon, 187–207. OECD, 2008. http://dx.doi.org/10.1787/eco_surveys-jpn-2008-8-fr.
Full text"Réformer le système fiscal afin de favoriser la croissance économique et de faire face au rapide vieillissement démographique." In Études économiques de l'OCDE : Corée, 63–103. OECD, 2010. http://dx.doi.org/10.1787/eco_surveys-kor-2008-6-fr.
Full textConference papers on the topic "Étude de vieillissement"
Assaud, Loïc. "Le stockage de l'énergie électrique dans les batteries à ions lithium. Une histoire d'interfaces." In MOlecules and Materials for the ENergy of TOMorrow. MSH Paris-Saclay Éditions, 2021. http://dx.doi.org/10.52983/ohqv8601.
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