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Academic literature on the topic 'Développement spatiotemporel'
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Journal articles on the topic "Développement spatiotemporel"
Dechaïcha, Assoule, and Djamel Alkama. "DÉTECTION DU CHANGEMENT DE L’ÉTALEMENT URBAIN AU BAS-SAHARA ALGÉRIEN : APPORT DE LA TÉLÉDÉTECTION SPATIALE ET DES SIG. CAS DE LA VILLE DE BISKRA (ALGÉRIE)." Revue Française de Photogrammétrie et de Télédétection, no. 222 (November 26, 2020): 43–51. http://dx.doi.org/10.52638/rfpt.2020.486.
Full textYao, Marcel Konan, Djedro Clément Akmel, Kouamé Lazare Akpetou, Albert Trokourey, Kouassi Benjamin Yao, and Nogbou Emmanuel Assidjo. "Modélisation de l'évolution spatiotemporelle du phosphore minéral dans une baie lagunaire hypereutrophe tropicale : la baie lagunaire de Tiagba (Côte d'Ivoire)." Revue des sciences de l’eau 30, no. 3 (March 28, 2018): 247–58. http://dx.doi.org/10.7202/1044250ar.
Full textLaliberté, Jérôme, and Martin-Hugues St-Laurent. "Détermination des facteurs spatiotemporels expliquant le risque de collision routière avec des cervidés sur l’autoroute Claude-Béchard (85) au Témiscouata." Le Naturaliste canadien 143, no. 1 (November 28, 2018): 40–47. http://dx.doi.org/10.7202/1054116ar.
Full textBriquet-Duhazé, Sophie. "Le développement professionnel des professeurs des écoles novices dans et par l’enseignement de la lecture au Cours préparatoire : analyse spatiotemporelle." Repères, no. 51 (September 4, 2015): 95–114. http://dx.doi.org/10.4000/reperes.896.
Full textBakour, Mohammed, and Tahar Baouni. "Étalement urbain et dynamique des agglomérations à Alger : quel rôle pour la promotion administrative ?" Cahiers de géographie du Québec 59, no. 168 (August 10, 2016): 377–406. http://dx.doi.org/10.7202/1037255ar.
Full textBuffin-Bélanger, Thomas, and André G. Roy. "Vers l’intégration des structures turbulentes de l’écoulement dans la dynamique d’un cours d’eau à lit de graviers." Géographie physique et Quaternaire 54, no. 1 (October 2, 2002): 105–17. http://dx.doi.org/10.7202/004776ar.
Full textOuni, E., C. Bouzin, M. M. Dolmans, E. Marbaix, S. Pyr dit Ruys, D. Vertommen, and C. A. Amorim. "Spatiotemporal changes in mechanical matrisome components of the human ovary from prepuberty to menopause." Human Reproduction 35, no. 6 (June 1, 2020): 1391–410. http://dx.doi.org/10.1093/humrep/deaa100.
Full textYounes, Y., X. F. Garcia, and J. Gagneur. "Étude de l'impact des activités touristiques sur la qualité de l'eau et l'organisation des peuplements macrobenthiques au sein des cours d'eau de la Principauté d'Andorre." Revue des sciences de l'eau 15, no. 1 (April 12, 2005): 421–24. http://dx.doi.org/10.7202/705463ar.
Full textDissertations / Theses on the topic "Développement spatiotemporel"
Hachem, Sabira. "Profil spatiotemporel d'expression de la protéine S100B dans le lignage oligodendrocytaire et dans le cervelet au cours du développement." Montpellier 1, 2005. http://www.theses.fr/2005MON1T005.
Full textGouelle, Arnaud. "Développement d’un score de stabilité chez les personnes présentant des pathologies d’origine neurologique entraînant des troubles de la marche et/ou de l’équilibre." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA113006/document.
Full textMany pathologies affect balance control during gait. Traumatic, neurological or age-related disorders can all limit more or less the stability, which is the capacity of subjects to recover from perturbations, and can lead to falls. For children, the stability is related to the developmental stages and its interpretation requires differentiating what pertains to the developmental instability and to the pathological instability. Instrumented movement analysis allows a reliable and precise recording of the gait parameters. Indexes were developed to improve the clinical evaluation of the patients walking but no one of them quantifies the stability feature.This thesis led to the production of a score quantifying the stability through variability of the spatiotemporal parameters, recorded by an electronic walkway system. The score, called Gait Variability Index (GVI), has been applied to asymptomatic and pathological populations, representative of the various ages of life: children, adults and elderly persons. Results for patients affected by cerebral palsy, Friedreich’s ataxia or after stroke demonstrate that the GVI is a coherent tool for the evaluation of instability. Beyond the clinical interest, it opens various studies perspectives in gait analysis, and is thought-provoking about the disruptive or regulating nature of variability
Sammari, Hédia. "Développement d’une méthode d’automate cellulaire basé sur une tessellation irrégulière et hiérarchique pour la simulation des processus spatiotemporels." Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25793.
Full textGeographic information systems (GIS) are widely used to represent, manage and analyse spatial data in many disciplines including geosciences, agriculture, forestry, meteorology and oceanography. However, despite recent advances in GIS technologies, they are still limited when it comes to representation and simulation of spatiotemporal processes. This research work, deals with a theoretical, conceptual and practical framework which aims to improve the representation of dynamic continuous processes. It aims especially to improve GIS capabilities by developing a CA based on a hierarchical irregular tessellation which is able to take into account the main characteristics of these processes. The exploration of the cellular automata potential to simulate and represent dynamic continuous processes regarding their irregular and hierarchic characteristics is the subject of this work where an application in the hydrologic field is established. Our specific objectives are 1) to build an irregular and hierarchic grid that can be used to represent spatiotemporal processes, 2) to simulate those processes with a cellular automata operating on this grid. We give details about the irregular geometric grid based on a Voronoï Diagram, the characteristics of a specific oriented neighbourhood and the transition rules that are governing the cells update. In addition, we discuss the hierarchical perspective of the build lattice that is essential for easy move between different spatial scales. We explain our methodology of data selection in order to generate the spatial levels of representation by demonstrating the used selection algorithms. This facilitates the representation of spatial dynamic phenomena and contributes to the better understanding of the complex behaviour of the whole system at different levels of details. We also present the data structures and general functioning of the whole simulation system. We finally, validate our framework by simulating the water flow process in a specific watershed in the region of Montmorency Forest of Quebec where in situ data are available. To validate our simulation results we compare them with measured data.
Mancini, Laure. "Spatiotemporal control of Neural Stem Cell decisions in the adult zebrafish telencephalon." Electronic Thesis or Diss., Sorbonne université, 2020. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2020SORUS154.pdf.
Full textIn some regions of the adult vertebrate brain, Neural Stem Cells (NSCs) generate fully functional neurons. NSCs are found mostly in quiescence, but can shuttle from quiescence to activation (division). At the population level, the proportion of NSCs dividing at a given time remains constant throughout adulthood and perturbations of NSC activation rate correlate with pathological situations. Also, the spatiotemporal distribution of NSC activation events is expected to impact the homogeneous maintenance of the NSC pools and the locations of neuronal production. What controls the rate and spatiotemporal distribution of NSC activation events remain poorly understood. The adult zebrafish telencephalon is a good model to address these questions. The telencephalon hosts many NSCs and it allow the recording of their behaviors over weeks thanks to an intravital imaging procedure. In this thesis, we have used this model to study the regulation of adult NSCs behaviors from two perspectives. First, we assessed the existence of non-cell-autonomous mechanisms controlling the quiescence-activation balance of the NSC population in space and time. Second, we investigated the relevance of intrinsic heterogeneities on individual NSC behaviors. This work highlighted (i) the importance of NSC geometry for their fate decisions during activation and (ii) the role of their differentiated progeny to locally exert a delayed inhibition, via Notch signaling, to prevent neighboring NSC activation. Using modeling we also show how the lineage-related inhibition maintains NSCs with specific spatiotemporal correlations and can spatially homogenize the distribution of adult-born neurons
Abdoun, Oussama. "Analyse spatiotemporelle de données MEA pour l'étude de la dynamique de l'activité de la moelle épinière et du tronc cérébral immatures chez la souris." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR15266/document.
Full textImmature neural networks generate a peculiar type of activity that persists even in the absence of electrical inputs and was termed for this reason “endogenous”or “spontaneous”. This activity is ubiquitous and was found involved in a wide range of developmental events. In vitro, it can be observed as calcium or electrical waves propagating over great distances, often invading the whole preparation,but its dynamics remain poorly described. In order to somewhat fill this gap,we used multielectrode arrays (MEAs) to characterise the spontaneous rhythmic activity in the mouse developing spinal cord, in both acute and cultured isolated hindbrain-spinal cord preparations.To extract relevant information from the massive amounts of data yielded by MEA recordings, adapted analysis tools are needed. Thus, we have developedmethods for the detection, classification and mapping of spatiotemporal patternsof activity in multichannel data. Our mapping approach is based on the thin plates pline interpolation and includes the possibility to combine maps of activity with anatomical or stained data for multimodal imaging.These methods allowed us to analyse in great detail the evolution of spontaneousactivity at early stages (E12.5–E15.5). In addition, we have localised theinitiation site of E14.5 activity in the medulla and shown that it matches a densemidline population of serotoninergic neurons, suggesting a new role for 5-HTpathways in the maturation of spinal networks. Finally, we have recorded andtracked spontaneous limb movements of E14.5 embryos and found that features of motility were consistent with patterns of spinal activity
Gouelle, Arnaud. "Développement d'un score de stabilité chez les personnes présentant des pathologies d'origine neurologique entraînant des troubles de la marche et/ou de l'équilibre." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00659167.
Full textHassouna, Mohammad. "Développement et validation des méthodes spectroscopiques d'absorbance UV et de fluorescence appliquées à la caractérisation spatiotemporelle de la matière organique du sol extractible à l'eau (MOEE)." Aix-Marseille 1, 2006. http://theses.univ-amu.fr.lama.univ-amu.fr/2006AIX11042.pdf.
Full textMargoto, Jean-Baptiste. "Développement de dispositifs de diagnostics ultra-haute dynamique mono-coup avec une grande excursion temporelle et caractérisation spatio-temporelle au foyer de lasers femtosecondes ultra intenses." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLX107.
Full textThis thesis has been carried out in the framework of the international development of high peak power ultrafast laser sources (TW to PW) that push forward the limits in terms of focused light intensity on target (>10^19 W/cm²). The chirped-pulse amplification (CPA) technique commonly used to amplify femtosecond laser pulses introduces spatio-temporal couplings (STC) in the event of imperfect alignment in the stretcher or compressor elements inside the amplification chain. These STC greatly reduce the peak power at focus. Controlling the temporal contrast of the pulse over several tens of picoseconds and with a high dynamic range is necessary in order to accurately know the laser-matter interaction conditions during experiments.Several techniques for spatio-temporal characterization of femtosecond pulses were studied during this thesis. The TERMITES technique showed its limits due to the experimental conditions inherent to TW and PW lasers (shot-to-shot and pointing fluctuations) and the maximum intrinsic dynamic range.The second technique is the extension of the Self-Referenced Spectral Interferometry with extended time excursion (SRSI-ETE) that aims at characterizing in single-shot both the spatio-temporal shape (in one transverse dimension) and the temporal contrast of the incident pulse. This technique is based on the spatio-temporal filtering by the cross-polarized wave (XPW) generation. Filtering is only effective for weak distortions and experimental measurements could not reconstruct the spatio-temporal shape of the pulse at the compressor output. However, the single-shot measurement of the temporal contrast of the pulse on ±37 ps and a dynamic range of 10^8 were validated by comparing results with a third order autocorrelator.The novel proposed technique, named CROISSANT, relies on the observation of the spatio-spectral intensity of the XPW pulse. Experimental results could characterize in a single laser shot the spatio-temporal shape of the pulse with high sensitivity. The method for identifying the specific STC and its correction method is given for both first- and second-order STC
Parfait, Gisèle. "Influence de l'association mai͏̈s (zea mays) / haricot (phaseolus vulgaris) sur la fructification du haricot et les attaques d'une bruche spécialiste du phaseolus vulgaris, acanthoscelides obtectus." Pau, 1986. http://www.theses.fr/1986PAUU3011.
Full textLandry, Sarah. "Favoriser le développement spatiotemporel en maternelle 5 ans par des activités ludiques d'apprentisage liées au domaine des arts." Thèse, 2006. http://hdl.handle.net/1866/17683.
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