Дисертації з теми "Etudes de population"
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Zhao, Wei. "Etudes pharmacocinétiques en pédiatrie : pré-requis, modélisation et analyse de la variabilité génétique et non-génétique." Paris 5, 2010. http://www.theses.fr/2010PA05P613.
The organ maturation, changes in body composition and ontogeny of metabolising enzymes and transporters are responsible for the developmental changes of pharmacokinetics in children. The objective of this thesis is to analyse the different steps of the pharmacokinetic studies in children (requirements, conduction and data analysis). The results will optimise drug use including therapeutic drug monitoring. The thesis includes studies concerning these different steps illustrated by examples 1) analytical requirements were demonstrated by the development of a highly sensitive analytical method of ciprofloxacin with micro-HPLC-MS, 2) the conduct and data analysis of classical pharmacokinetic studies were demonstrated with the example of antiretroviral drugs in HIV infected children, 3) the conduct and data analysis of population pharmacokinetic studies were illustrated by the use of immunosuppressants in renal transplant children. In addition, integration of pharmacogenetic variability was included in these studies. 4) the importance of population pharmacokinetic modelling for therapeutic drug monitoring was also demonstrated with two drugs frequently used in nephrology which are mycophenolate mofetil in patients with nephrotic syndrome and valganciclovir in cytomegalovirus infected patients. The thesis illustrates the different aspects of pharmacokinetic studies and primarily, modelisation in order to describe and explain pharmacokinetic variability in children and then optimise monitoring
Salama, Younes Sayed Ahmed Marei. "Etudes sociocognitives des besoins fondamentaux : échelles de mesure et application sociocognitive pour une population d'étudiant de l'université." Phd thesis, Université Rennes 2, 2011. http://tel.archives-ouvertes.fr/tel-00659689.
Salama, Younes Mareï. "Etudes sociocognitives des besoins fondamentaux : échelles de mesure et application sociocognitive pour une population d'étudiant de l'université." Thesis, Rennes 2, 2011. http://www.theses.fr/2011REN20052/document.
The main objective of this thesis was to explore the normative character of three needs known as fundamental: the need for cognitive, need to evaluate and need for closure. To achieve this goal, we initially needed a rigorous validation of the three scales usually used: Need for Scale Cognition, Need to Evaluate Scale and Need for Closure Scale. From this point of view, three distinct studies relative to this process of validation were carried out. A French version purified for each scale was established (part 2, chapters 1, 2 and 3).Then with the way in which that is carried out in work relating to the normatively of the internality, we had resorts to the Judges and identification paradigms to test our assumption of normatively of the needs in order to pose the first stakes of a socio-normative design of the needs. According to the Judges paradigm, the results obtained show that the individuals evaluate the individuals best expressing a strong adhesion with the needs to evaluate, of cognition or closure. On the other hand, if the identification paradigm confirms our assumptions of normatively of the needs to evaluate and cognition, it misses to give an obvious support for the assumption of normatively of the need for closure
Ameline, Anaïs. "Religion et discrimination : etudes psychosociales de l'islamophobie et de ses conséquences chez une population de confession musulmane." Thesis, Nantes, 2017. http://www.theses.fr/2017NANT2038/document.
This doctoral dissertation focuses on the question of discrimination on the grounds of belonging to the Muslim religion. Concretely, this academic work consists of two parts. The first part was aimed at proposing a reliable and valid francophone version of a scale of Islamophobia. To do so, three studies were carried out, each consisting of 104, 122 and 192 participants. The results confirm the two-dimensional structure of this scale. They also validate the fidelity and build validity of this tool. The discussion focuses on the theoretical and practical implications of this Islamophobia scale. The second part was devoted to the study of perceived discrimination and its consequences. Thus, 79 participants participated in the first study and 88 participants in the second study. The results of these two studies are mixed. Nevertheless, they reveal that participants who perceive discrimination in the media develop identification strategies to counteract the deleterious effects of this stigma. The discussion highlights the difficulty of studying perceived religious discrimination in view of the hostility towards Muslims and the relentless socio-political context surrounding this debate
Loiseau, Claire. "Réponses au stress environnemental et à la pression parasitaire en populations naturelles : approches physiologique et génétique : Etudes chez le moineau domestique Passer domesticus." Paris 6, 2007. http://www.theses.fr/2007PA066468.
CLARET, LAURENT. "Developpement d'une approche methodologique non-parmetrique pour la description de la variabilite des donnees physiopathologiques et pharmacocinetiques, issues des etudes de population au cours des phases du developpement d'un medicament." Aix-Marseille 2, 1995. http://www.theses.fr/1995AIX22967.
Doumic, Marie. "Etudes de modèles de croissance et fragmentation et applications en biologie." Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00844123.
Guicharnaud-Tollis, Michèle. "Littérature et société à Cuba (1810-1850) : images de la population de couleur." Bordeaux 3, 1987. http://www.theses.fr/1987BOR30016.
In foreign literature -european and north american- dealing with travel as in native fiction, the different images of the coloured population of cuba during the first half of the nineteenth century have been successively studied. When placed against the often quoted material from contemporary historians, the contribution made by the former allows us to qualify the official records, but also, through the description and the impressions of the colonial way of life, to isolate the various ambitions, not all of which were desinterested, for cuba at that time. Whether in the form of souvenirs of a private holiday or a report on a scientific or political expedition, such eye-witness accounts are invariably critical, stemming as they do from commentators particularly sensitive to the most glaring weaknesses of the spanish colonial system. To counterbalance this, and on the same subject, the native literature produced by a minority of enlightened creoles gives the inside view. First of all by letting themselves go towards an advanced form of cultural cubanization from 183740, then by turning to foreign models in scientific, technical and literary fields, the cuban intellectuals of that period marked their irrepressible desire, effectively and to varying degrees, to go through with their divorce from the metropolis. Writers of the domestic urban novel, as well as those of the rural one, show the emergence of an anti-slavery line of thought by their keen interest in the coloured population and the image it projects. This is evident as much from their efforts to encourage the growth of the white population as in their evocation of the horrors of slavery. The anti-slavery line of thought, thus sketched, stems from traditional christian humanism, but is corrected by the first evolu- tionist convictions, and is not without its contradictions and qualifications. Thus we can say that the cultural history of cuba, during the first half of the nineteenth century, allows us to grasp the evolution of ideas which, several years later, resulted in the abolition of slavery, and that the emancipation of the island was due to the most enlightened minds of t
Peyret, Guzzon Marine. "Etudes moléculaires de la diversité des communautés et populations de champignons mycorhiziens à arbuscules (Glomeromycota)." Thesis, Dijon, 2014. http://www.theses.fr/2014DIJOS065/document.
The arbuscular mycorrhizal symbiosis, which appeared at the same time as land plants, 460 million years ago, is a mutualistic beneficial association between most land plants, including those cultivated, and arbuscular mycorrhizal fungi (AMF). AMF, from the Glomeromycota phylum, are widespread soil microorganisms needing a photosynthetic host to complete their life cycle (obligate symbionts). The great potential of plant mineral nutrition improvement and crop production increased during this symbiosis, make AMF an asset in the context of an increase in the demand of world food crop production. The control of that symbiosis by ecology engineering in order to improve ecosystem services, especially in agroecosystems, needs to better understand the mechanisms regulating its dynamic. Therefore, we studied community and population diversity of AMF under influences of different agricultural practices at several spatial scales using genetic fingerprinting methods: high-throughput sequencing and restriction fragment length polymorphism. Results show that AMF diversity is structured by land use type (grassland vs. arable fields), cultural practices (soil disturbance, fertilizations, culturing systems) as well as environmental factors (e.g. soil pH). In conclusion, those different factors have to taken in account in AMF ecosystemic service managing
Chang, Jian. "Etudes cinétiques et modélisation de la croissance d'une population mixte sur substrat complexe par couplage d'un réacteur discontinu à un spectromètre de masse." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37612519v.
Chen, Min. "Influence des donneurs de méthyle et du métabolisme de l'homocystéine dans la physiopatholie des MICI : Etudes de population et modèle expérimental chez le raton carencé." Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10044/document.
Studies in populations from Central China and Lorraine showed a correlation between MTR, MTRR, MTHFR and hemorrhagic colitis and Crohn disease. In addition there was a correlation between MTRR and oxidative stress depending on superoxyde dismutase concentration and disease severity. Besides, Crohn disease was characterized by elevated homocysteine and decreased vitamin B12 linked to ileal resection and the effect of oxidative stress on MTRR capacity to reduce vitamin B12. On the other hand, in rats exposed to DSS, which is a potent inducer of inflammatory lesions in colonic mucosa, the extent of inflammation was aggravated by additional exposure to a diet deficient in methyl group donors. Unexpectedly, methyl group donor deficiency in rats did not yield any effect on apoptosis nor oxidative stress. However methyl group donor deficiency induced elevated expression of actors in the p38/cPLA2/COX2 pathway that leads to PGE2 production without affecting neither COX1 nor 5-LOX. These results uncover new pathophysiological events in inflammatory bowel disease (IBD). They depict intricated relationships in which the disease may cause malabsorption, and therefore a deficiency in methyl donors, oxidative stress decreases the capacity to reduce vitamin B12 in the digestive epithelium and methyl group donors deficiency exacerbates inflammatory mechanisms triggered by exposure to exogenous agents such as bacteria
Chen, Min Guéant Jean-Louis Peyrin-Biroulet Laurent. "Influence des donneurs de méthyle et du métabolisme de l'homocystéine dans la physiopatholie des MICI Etudes de population et modèle expérimental chez le raton carencé /." S. l. : Nancy 1, 2009. http://www.scd.uhp-nancy.fr/docnum/SCD_T_2009_0044_CHEN.pdf.
Ambroise, Corentin. "Structure-aware neural networks in the study of multi-modal population cohorts : an application to mental health." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST065.
It is currently acknowledged that relying solely on conventional classification strategies from a single data source is not effective to understand, diagnose or prognose psychiatric syndromes. The classification targets simply rely on clinician labels that alone do not express a very large variability. In 2009, the Research Domain Criteria (RDoC) recommended a more comprehensive approach to study psychiatric disorders by incorporating diverse data types that cover various levels of life organization (e.g., imaging, genetic, symptoms). The proposal suggests that a thorough description of a pathology requires consideration of multiple dimensions, which may be shared across different psychiatric syndromes and even contribute to non-pathological variability. Efficient frameworks for unsupervised learning, specifically designed for multivariate and multimodal approaches, are anticipated to offer methodologies for handling and integrating the kind of datasets advocated by the RDoC. Deep learning allows us to learn in multimodal settings with modality-specific structure and intermodality correlation structure.To model intra-modality structure, we use specific convolutional neural networks that enable to learn from cortical brain measures distributed across a spherical mesh and thus reveal original biomarkers. In this context, we propose 5 data augmentations and apply them in one of the many novel self-supervised learning schemes relying moslty on data augmentation. This work allows deep representation learning to properly initialize network on huge healthy patient cohorts and then transfer them to study clinical pathology of interest in smaller cohorts.On the other hand, we have identified multi-view variational auto encoders as good candidates to integrate multiple modalities. Moreover, we challenge the common assumption that neural networks are not interpretable. We use a digital avatar procedure as an interpretability module capable of reporting the inter-view relationships learned within a multi-view autoencoder. In particular, we integrate this procedure into a novel framework that combines multiple interpretations and utilizes stability selection to identify meaningful and reproducible associations between brain-imaging modalities and behaviour. We apply this framework to exhibit specific brain-behaviour associations present in the transdiagnostic cohort Healthy Brain Network (HBN). The identified brain-behaviour associations establish connections between regional cortical features from structural magnetic resonance imaging and electronic clinical record forms assessing psychiatric symptoms. We show this framework is able to find relevant and stable associations
MEMMI, MARC MARIE. "Etude genetique de la population corse et sa relation avec les populations euro-mediterraneennes." Corte, 1999. http://www.theses.fr/1999CORT3043.
Dellicour, Simon. "Etude de l'histoire évolutive d'insectes phytophages: approche phylogéographique et développements méthodologiques." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209374.
Montecino, Rodriguez Encarnación M. "Etudes des mutations Ipr et gld induisant un syndrome autoimmun dans le contexte génétique murin C57BL/6 : transfert du syndrome par greffe de cellules hématopoiétiques dans des receveurs irradiés subléthalement : analyse du rôle de la population cellulaire T Ipr dans la pathologie autoimmune Ipr /." [S.l.] : [s.n.], 1990. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.
PAPERNOT, GUY. "Analyse cranio-faciale d'une population d'esquimaux en orientation vestibulaire." Paris 5, 1988. http://www.theses.fr/1988PA05M134.
BAR, MARCEL. "Etude epidemiologique d'une population de toxicomanes hospitalises." Lille 2, 1989. http://www.theses.fr/1989LIL2M340.
Massarin, Sandrine. "Etude des effets de l'uranium sur le budget énergétique et la dynamique de population de Daphnia magma." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX22134/document.
This work aimed to study effects of uranium on energy budget and population dynamicsin Daphnia magna a representative microcrustacean of freshwater ecosystems. An experimentalstudy of uranium toxicity on physiology (nutrition, respiration) and life history (survival, growthand reproduction) of D. magna was carried out, based on exposures over one, two or threesuccessive generations (F0, F1 and F2) started with neonates from 1st or 5th brood, at 0, 10, 25and 75 μgU.L-1. Results showed that toxic effects increased across generations (partially due todaphnid exposure during embryogenesis) and that individuals from 1st brood were moresensitive than individuals from 5th brood. Significant reductions in assimilation rates, measuredusing a radiotracing method with 14C-labelled food, allowed us to identify an effect onassimilation as the mode of action for uranium, in agreement with important damages in theintegrity of intestinal epithelium observed by optic microscopy. Integrating results in a dynamicenergy budget model (DEBtox) yielded estimated no effect concentrations (NEC) of 9.37, 8.21and 2.31 μgU.L-1 above which organism functions were altered in generations F0, F1 and F2,respectively. Combining DEBtox with matrix models allowed us to extrapolate consequences onasymptotic population growth rate (λ), a relevant endpoint in an ecological context. Simulationspredicted an increase in uranium impact across generations with reduction of λ in F0 andpopulation extinctions at 51-59 μgU.L-1 in F1 and 39-41 μgU.L-1 in F2. Simulations emphasizedthe importance of considering the most sensitive individuals while determining populationresponse
Pierre, Marguerite. "Etude de populations stellaires jeunes extragalactiques." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37600409k.
Massot, Bérangère. "ETUDES DE POPULATIONS LYMPHOCYTAIRES T NATURELLES : iNKT17 et Th17." Phd thesis, Paris 5, 2012. http://tel.archives-ouvertes.fr/tel-00738051.
Chiaroni, Jacques. "ETUDE ANTHROPOGENETIQUE DE LA POPULATION COMORIENNE DE MARSEILLE." Phd thesis, Université de la Méditerranée - Aix-Marseille II, 2003. http://tel.archives-ouvertes.fr/tel-00011766.
GASTINEAU, CLAIRE. "Etude l'inversion de population par passage adiabatique rapide." Paris 11, 1995. http://www.theses.fr/1995PA112417.
Chiaroni, Jacques. "Etude anthropogénétique de la population comorienne de Marseille." Aix-Marseille 2, 2003. http://www.theses.fr/2003AIX20690.
The Comorian population is considered as a blend of influences from African Bantus, Arabs and may be Austronesians. The aim of the present study was to assess the genetic structure of the current Comorian population according to six major blood group systems, HLA-DR-B1 and KIR genes polymorphism. A total of 164 unrelated individuals from Grande Comore Island, living in Marseilles, were studied. Findings based on analysis of genetic frequencies and distances and calculation of admixture with other populations indicated that African Bantus had made the main contribution to the gene pool (50 à 60%). The contribution from the Arabian Peninsula was smaller (30%) and the one from Southeastern Asia was very low. The major Bantu contribution was commensurate with the Bantu cultural influence. The contribution from Arabic peninsula seemed in relation to its permeating religious and linguistic influence. As on the language, the Indonesian impact on the Comorian gene pool was very small. Finally, this study, revealing the possible phenotypic gap between migrant population and blood donnors, emphasizes the need of specific awareness campaigns about blood donation
Odabachian, Morgane. "Etude des populations égyptiennes anciennes et actuelles." Aix-Marseille 1, 2008. http://www.theses.fr/2008AIX11026.
Befene-Bibang, Félix. "Etude urbaine d'Oyem : Ville du nord-Gabon." Bordeaux 3, 1992. http://www.theses.fr/1992BOR30030.
Oyem, a northern gabonese town is located in woleu-ntem province it stratches over 1,300 hectares on an area of hills, ridges and streams. It is a former military post founded in 1904 and became town in 1962. Oyem has 18 districts now. The city center is not only the administrative center, but also the commercial and the residential one. The working-class districts made up of former traditional villages, are areas of anarchic land occupations and precarious buildings. Telephone, electricity and water networks are deficient there. Public high way is defective ans social equipments are not sufficient. All these problems require for oyem a plan of land occupation, a guiding urban planing with appropriated financial means. This town has 18,000 inhabitants. The native fang represent 83% of the population. The whole population is composed of 63% of teen-agers, 52% of women and 10% of unemployed people. Woleu-ntem agricultural area produces 110,000 tons of supplies and 3,500 tons of cocoa and coffee a year. Small and middle-size industries, trades and transportations are underdeveloped and not well organized. Thanks to its services and administrative equipments, oyem is the county-town of the whole northern gabon
Laporte-Simitsidis, Silvy. "Regroupement de données issues de différentes études en pharmacocinétique et prise en compte de la variabilité inter-étude." Lyon 1, 2000. http://www.theses.fr/2000LYO1T029.
Akakpo, Roland. "Etude de la domestication et de l’adaptation de l’igname (Dioscorea spp) en Afrique par des approches génomiques." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS124.
Yam (Dioscorea spp) is a major staple for more than 100 million people in Africa. The main objectives of the present PhD project were to study yam genomic diversity, its domestication, and to characterize the genomic determinism of its adaptation to different climatic zones. We investigated the genetic basis of yam domestication in a comparative genomic approach between the cultivated species D. rotundata and two wild close relatives D. praehensilis and D. abyssinica, by exploiting NGS sequencing data. We demonstrated that genes from the starch biosynthesis were selected during yam domestication. Genes related to tuber morphology or phototropism ability, as well as genes of the NADH dehydrogenase complex were also under selection. The same NADH-DH complex was also identified when assessing adaptation to climate variability. We also created the first de novo database of yam transposable elements (TEs). The study we performed on these repeat elements (REs) highlighted a strong correlation between the variability in relative abundances of numerous REs and climatic variability. Finally, we were able to propose an hypothesis on the origin of the cultivated yam D. rotundata. Our hypothesis identifies the origin of yam in the forest areas, with the species D. praehensilis as the putative progenitor. Our results question the generally admitted hypothesis of savannah origins for crops and agriculture in Africa
Rhoné, Bénédicte. "Etude de mécanismes génétiques impliqués dans l'adaptation climatique de populations expérimentales de blé tendre." Phd thesis, AgroParisTech, 2008. http://pastel.archives-ouvertes.fr/pastel-00003822.
DZIURA, JEAN-JACQUES. "Etude d'une population d'anthraco-silicotiques suivis en consultation d'expertise." Lille 2, 1989. http://www.theses.fr/1989LIL2M062.
Fadier-Salice, Gwenaëlle. "Etude des fonctions exécutives sur une population de seniors." Rennes 2, 2004. http://www.theses.fr/2004REN20005.
Actually, the executive functions have got an increased central role in the models of cognition (system attentionnel of supervision; Norman and Shallice, 1980 or central executive of the working memory ; Baddeley, 1986). The efficacity of these high level cognitive processes, whose principal function is the adaptation to the novelty, classically reserved for the frontal lobes (Stuss, 1992), decreases with the age. The performance evaluation to 11 executive tasks of a sample of 94 old people from 45 to 98 years confirms the deterioration of the executive performances with the age, and shows a modest stability of those between the two occasions of measurement. Although empirically different, the executive processes of planning, cognitive inhibition, cognitive flexibility are correlated, and in relation to general intellectual efficiency. We defend the idea of a de-differentiation of the cognitive processes at the old people (Li, 2002). The negative effect of the age on the efficacity of a general cognitive system which one would measure various components would be mitigated by a significant level of schooling
FLOER, ROGUET MARIE-THERESE. "Etude isoenzymatique d'une population de phlebotomus ariasi tonnoir, 1921." Strasbourg 1, 1991. http://www.theses.fr/1991STR15015.
Eraud, Marie Bigot-Corbel Edith. "Etude comparative des lipoparticules LpB:E et LpB:CIII d'une population de pontés coronariens et d'une population témoin." [S.l.] : [s.n.], 2005. http://theses.univ-nantes.fr/thesemed/SPEeraud.pdf.
Bommier, Claire. "Contribution à l'étude d'une population congolaise : les Yaka (Zai͏̈re) : caractères morphologiques et anthropométriques." Paris 5, 1990. http://www.theses.fr/1990PA05M127.
Dzia, Lepfoundzou Amélia Flore. "Etude anthropobiologique de quatre populations du Congo Brazzaville." Aix-Marseille 2, 2007. http://www.theses.fr/2007AIX20706.
Marchand, Cécile. "Etude du statut martial dans une population de sujets hyperlipidémiques." Paris 5, 1996. http://www.theses.fr/1996PA05P002.
Nogues, Jacques. "Etude auxologique de caractère statique d'une population de 300 enfants." Montpellier 1, 2000. http://www.theses.fr/2000MON11002.
RAYBAUD, FLORENCE. "Troubles du rythme du sujet age : etude d'une population hospitalisee." Nice, 1991. http://www.theses.fr/1991NICE6839.
De, Jode Aurélien. "Etude de la biodiversité des habitats coralligènes et de l'influence des facteurs environnementaux par des approches génétiques : des populations d'espèces ingénieures aux communautés." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0571/document.
Biodiversity encompasses the diversities of all the living elements from the molecules to the biosphere and several levels of biodiversity can be distinguished. Coralligenous habitats are emblematic calcareous biogenic constructions of the Mediterranean Sea mainly built by calcareous red algae and consolidated by calcareous skeletons built by several mine invertebrates. The complex three-dimensional structure shelters for a huge variety of species, and coralligenous habitats are considered to be one of the biodiversity hotspot of the Mediterranean Sea. The study of the genetic diversity of a engineering calcareous red algae, by capture sequencing, revealed that this nominal species is actually composed of eight cryptic species which relative abundances vary among localities and depth. This approach also showed that genetic diversity in the most abundant cryptic species, is shaped by neutral processes of drift and migration strongly influenced by oceanic currents in Marseilles area. The species diversity in communities was studied using a metabarcoding approach. It revealed the high diversity found in these habitats and the important effect of environmental variables on the species communities composition. The comparison between both level of diversities established that that genetic diversity and species diversity are positively correlated for the alpha component of diversity and uncorrelated for the beta component.These work contribute to improve our knowledge of the biodiversity and ecological functioning of these habitats. Some of the methods developments and tuning implemented during this study could be used in monitoring applications of these habitats
HENON, NICOLAS. "Longevite familiale et sporadique (etude de 19 marqueurs polymorphes dont 14 sont localises dans le complexe majeur d'histocompatibilite, dans deux populations longevives comparees a une population temoin)." Paris 7, 1998. http://www.theses.fr/1998PA077325.
Smirani, Nadia. "Etude cinétique du procédé de granulation humide en mélangeur à haut cisaillement." Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL021N/document.
In this study of wet granulation process, we are especially interested in binder liquid distribution as a mean to deduce final granule properties. Then, a tracer method is developed to study binder liquid distribution kinetics during granulation process. Granulation experiments are carried out in high shear mixer Mi-Pro using pharmaceutical excipients. The beginning of the process is characterized by heterogeneous binder liquid distribution. Then, liquid redistribution phenomenon is observed according to a first order model. Granule properties (size, porosity, microscopic observation) are found to be similar when binder liquid is homogeneously distributed among different granule classes. Finally operating conditions influence (speed rate, flow rate and wetting criterion) are discussed. In addition, population balances are used as a tool to model experimental results. Agglomeration kernels are presented depending on particle size and binder liquid ratio. Although experimental results could be satisfactorily modelled, population balances show some limitations related to the difficulty of integrating all the study data
Gallois, Valérie. "Etude de populations lymphocytaires tγð exprimant un répertoire restreint". Paris 7, 2001. http://www.theses.fr/2001PA077267.
Derridj, Arezki. "Etude des populations de Cedrus atlantica M. En Algérie." Toulouse 3, 1990. http://www.theses.fr/1990TOU30113.
Baki, Aubineau Nora. "Etude hémotypologique des populations Anga en Papouasie Nouvelle-Guinée." Paris 5, 1986. http://www.theses.fr/1986PA05H044.
Hemotypology consists of the study of gene frequency variation observed in a population or a group of populations. Our work focuses on the anga group living in Papua New Guinea, they are up to now a rare and a perfect isolate. The four main points of our research are : the ethnological and ecological study of the Anga. The hematological study of abo, rhesus, mnss, duffy, kidd and p systems. We have describe a genetic individual profile and a genetic tribal profile. The statistical analysis allowed us to classify the tribes between themselves and to point out particular relations between some of them and to place the Anga people in the pacific context
Lemeunier, Nadège. "Douleurs lombaires dans la population générale : évolution et classification." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA113001/document.
The aim of this thesis is to study if there is information gathering method, other than that commonly used to better describe the natural history of non-specific low back pain. For this, a literature review was performed and a prospective study in the Danish general population was analyzed. Two methods of gathering information are used to characterize this course: the usual method by questionnaires, classifying low back pain based on the total number of days with pain in one year, and a new SMS-Track method taking into account the duration and rhythm of painful episodes in a year. The results of the literature review and analysis of data on the Danish general population go in the same direction. The course of low back pain is fairly stable, especially for those who do not have pain at baseline. Both classification systems, respectively from the two methods of collection, divide individuals into different groups. In addition, associations of these groups with bio-psychosocial variables are not the same, differentiating clinically the groups of each classification. SMS-Track method provide more detailed information on the rhythm of low back pain over time and seems more appropriate to characterize the course of a recurring condition such as non-specific low back pain. These results now predict the natural history of low back pain and will facilitate the study of individual course patterns to improve the diagnosis, which remains, for now, a diagnosis of exclusion
Feillet, François. "Etude du bilan lipidique dans une population marastique du nord mauritanien." Nancy 1, 1990. http://www.theses.fr/1990NAN11079.
Dubois, Séverine. "Etude des déterminants génétiques de l'obésité humaine dans la population française." Paris 7, 2002. http://www.theses.fr/2002PA077246.
DAMEN, PATRICK. "Etude de la serologie anticytomegalovirus d'une population de donneurs de sang." Lille 2, 1989. http://www.theses.fr/1989LIL2M368.
ROBIN, LABADENS MARIE-CLAIRE, and DUFOUR Sylvie SUKNO. "Neurodeveloppement et insuffisance renale chronique : etude d'une population de 45 enfants." Lille 2, 1990. http://www.theses.fr/1990LIL2M297.
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