Letteratura scientifica selezionata sul tema "Transport de l'eau"
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Articoli di riviste sul tema "Transport de l'eau":
Mathier, L., e A. G. Roy. "Hydrogrammes de ruissellement superficiel et transport des sédiments en milieu agricole". Revue des sciences de l'eau 5, n. 1 (12 aprile 2005): 1–21. http://dx.doi.org/10.7202/705117ar.
Mlayah, Ammar, Eduardo Anselmo Ferreira Da Silva, Nouri Hatira, Salah Jellali, Fethi Lachaal, Abdelkrim Charef, Fernando Noronha e Chedly Ben Hamza. "Bassin d'oued Serrat : terrils et rejets domestiques, reconnaissance des métaux lourds et polluants, impact sur les eaux souterraines (nord-ouest de la Tunisie)". Revue des sciences de l’eau 24, n. 2 (4 ottobre 2011): 159–75. http://dx.doi.org/10.7202/1006109ar.
Lévi, Y., G. Randon, C. Denojean, A. Pagliardini, G. Vajente e H. Champsaur. "Etude d'un réseau à très faible teneur en matière organique biodégradable : le réseau de la ville de Nice". Revue des sciences de l'eau 5 (12 aprile 2005): 225–43. http://dx.doi.org/10.7202/705162ar.
Villeneuve, J. P., P. Hubert, A. Mailhot e A. N. Rousseau. "La modélisation hydrologique et la gestion de l'eau". Revue des sciences de l'eau 11 (12 aprile 2005): 19–39. http://dx.doi.org/10.7202/705327ar.
Banton, O., P. Lafrance e J. P. Villeneuve. "Délimitation des périmètres de protection des puits de pompage en zone agricole à l'aide de la simulation mathématique". Revue des sciences de l'eau 5, n. 2 (12 aprile 2005): 211–27. http://dx.doi.org/10.7202/705129ar.
Guiza, Sami, e Mohamed Bagane. "Étude cinétique de l’adsorption du rouge de Congo sur une bentonite". Revue des sciences de l’eau 26, n. 1 (18 marzo 2013): 39–50. http://dx.doi.org/10.7202/1014918ar.
Barré, Nicolas, G. I. Garris e Rosalie Aprelon. "Acaricides pour l’éradication de la tique Amblyomma variegatum dans les Antilles". Revue d’élevage et de médecine vétérinaire des pays tropicaux 46, n. 1-2 (1 gennaio 1993): 349–54. http://dx.doi.org/10.19182/remvt.9391.
Padilla, Francisco, e Pierre Gélinas. "Un modèle pour l'infiltration dans les sols gelés tenant compte de la qualité de l'eau". Canadian Journal of Civil Engineering 15, n. 2 (1 aprile 1988): 263–71. http://dx.doi.org/10.1139/l88-034.
Schweich, D., M. Sardin e M. Jauzein. "Du mouvement de l'eau au transport de solutes; un probleme de physico-chimie". Bulletin de la Société Géologique de France IV, n. 5 (1 settembre 1988): 879–86. http://dx.doi.org/10.2113/gssgfbull.iv.5.879.
Es-Sette, Btissame, Youssef Ajdor, Fatiha Zidane, Abdelbassit Fakhraddine e Ali Foutlane. "Évolution des métaux traces dans les eaux de l'oued Sebou en période humide — Approche par modélisation mathématique". Water Quality Research Journal 40, n. 2 (1 maggio 2005): 222–32. http://dx.doi.org/10.2166/wqrj.2005.025.
Tesi sul tema "Transport de l'eau":
Bergin, Gaëtan. "Prévision de la solubilité des hydrocarbures dans l'eau en fonction de la température et de la pression". Clermont-Ferrand 2, 2002. http://www.theses.fr/2002CLF21335.
Boursiac, Yann. "Mécanismes de régulation du transport d'eau dans la racine d'Arabidopsis thaliana : effets d'un traitement par le sel et le péroxyde d'hydrogène sur la fonction des aquaporines". Montpellier 2, 2005. http://www.theses.fr/2005MON20194.
Water uptake by roots plays a central role in the regulation of plant water status. The root water permeability (root hydraulic conductivity; Lpr) is regulated by many environmental conditions such as drought or nutrient deficiency. At the molecular level, water channels named aquaporins contribute to a large part of the overall Lpr (> 70% in Arabidopsis thaliana). However, the mechanisms for aquaporin regulation in plants and their role in the modulation of Lpr by environmental stresses are still poorly understood. The aim of this thesis was to unravel novel molecular and cellular mechanisms of aquaporin regulation in the context of water transport modulation in the root of Arabidopsis. For this, Lpr regulation was studied in two distinct physiological situations, salt stress (NaCl) and exposure of roots to reactive oxygen species (ROS). Here we show that a salt treatment (100 mM NaCl) can inhibit Lpr by 35% in 40 min and by up to 70% after 3 h. Aquaporins expression was regulated in parallel to this at, at least, three levels : the abundance of transcripts and proteins and the subcellular localisation of the latter. Whereas these mechanisms may explain the long term (> 4 h) regulation of Lpr by salt, other types of regulation, by post-translational modifications for instance, might be involved in the early response (< 2 h) of the root. In another study, hydrogen peroxide (H2O2) and other ROS were identified as powerful inhibitors of Lpr by up to 80% in a few minutes. Unexpectedly, the action of ROS on the aquaporin activity was not mediated by a direct oxidation gating mechanism, but rather involved the activation of signalling pathways in which external calcium and protein kinases played an important role. From this and other works, we conclude that, as central molecules in the response of plants to environmental stresses, H2O2 and other ROS could be major regulators of Lpr. In conclusion, this work uncovered signalisation pathways and multiple levels for regulation of aquaporin expression which contribute to a chain of events from the perception of environmental stress to the molecular regulation of root water transport
Badamtchian, Chahram. "L'Eau, l'industrie et le transport fluvial dans les vallées de la Seine et de l'Oise". Paris 1, 1985. http://www.theses.fr/1985PA01A020.
Ngo, Van Viet. "Modélisation du transport de l'eau et des polluants dans les sols contaminés des friches industrielles". Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL101N/document.
Preferential flow and nonequilibrium transport are probably the most frustrating in terms of hampering accurate predictions of contaminant transport through the vadose zone. The mathematical description of preferential flow and nonequilibrium transport needs many parameters that are not measurable. Therefore, the inverse method is a promising way to estimate model parameters. The main objectives of this work are to (i) study the water flow using the uniform flow and dual-porosity models, tracer and contaminant transport using the uniform transport model and/or physical and chemical nonequilibrium transport models, (ii) investigate parameter estimability and correlations between different parameters, and (iii) optimize the hydraulic properties and solute transport parameters. The results concerning the water flow in the bare field lysimeter show that daily data contained much more information than hourly data, daily pressure heads contained more information than daily water contents; the correlations between different parameters hamper the optimization results strongly. Basing on the tracer concentrations in the leaching solution of the lysimeter, the first-order rate water transfer coefficient was not estimable since this parameter was highly correlated with the solute transfer coefficient. PAH concentrations in the leaching solution of the contaminated soil column under saturated and nonsaturated flow conditions show that when the degree of chemical nonequilibirum transport is high, the solute leaching of the nonsaturated column contained more information than those of the saturated column. In addition, the fraction of sites with instantaneous sorption and the linear adsorption distribution coefficient always showed a very strong correlation, they were impossible to optimize simultaneously
Marly, Xavier. "Transport d'un micro-organisme en milieu poreux saturé : cas d'un colloïde biologique : cryptosporidium parvum". Vandoeuvre-les-Nancy, INPL, 2001. http://docnum.univ-lorraine.fr/public/INPL_T_2001_MARLY_X.pdf.
Alboin, Clarisse. "Deux outils mathématiques pour modéliser l'écoulement et le transport de polluants dans un milieu poreux fracturé". Paris 9, 2000. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2000PA090024.
Rodrigues, Olivier. "Les aquaporines de la cellule de garde d'Arabidopsis thaliana : rôles dans le transport de l'eau et du peroxyde d'hydrogène". Thesis, Montpellier, SupAgro, 2014. http://www.theses.fr/2014NSAM0041.
Stomatal movements in response to changing environmental conditions are crucial for controlling the plant water status and protecting plants against pathogens. Abscisic acid (ABA) or Pathogen-Associated Molecular Patterns (PAMPs) such as the flg22 peptide, induce, via hydrogen peroxide (H2O2), signaling networks that lead to stomatal closure. Although stomatal movements involve marked water fluxes and changes in cell volume, the role of membrane water channels (aquaporins, AQP) has remained hypothetical. Functional assays in epidermal peels showed that Arabidopsis thaliana pip2;1 plants invalidated for plasma membrane AQP PIP2;1 have a defect in stomatal closure in response to ABA and flg22, but normal responses to dark, light or carbon dioxide. Guard cell protoplasts from wild-type plants showed a two-fold increase in osmotic water permeability (Pf) in response to ABA which was fully abrogated in pip2;1 plants. Plants expressing a H2O2 sensitive probe (HyPer) revealed an accumulation of H2O2 in guard cells of wild-type plants in response to ABA and flg22, which was abolished in pip2;1 plants. OST1 (SnRK2.6), a protein kinase closely linked to ABA receptors, was able to phosphorylate, in vitro and at Ser121, a cytosolic peptide of PIP2;1. SnRK2.6 also enhanced PIP2;1 water transport activity after co-expression in Xenopus oocytes. Expression in pip2;1 plants of a phosphomimetic (Ser121Asp) or a phosphodeficient form (Ser121Ala) of PIP2;1 allowed to demonstrate that the increase in guard cell protoplast Pf, the intracellular accumulation of H2O2 and stomatal closure induced by ABA and flg22 require the phosphorylation of PIP2;1 at Ser121. This work provides the first direct genetic and physiological evidence for aquaporin function in guard cells. We propose that PIP2;1 plays both a hydraulic and signaling role in guard cells, by facilitating the transport of water and H2O2 across the guard cell plasma membrane. PIP2;1 phosphorylation at Ser121, by SnRK2.6 in particular, would be required in this context
Peyrard, Dimitri. "Un modèle hydrobiogéochimique pour décrire les échanges entre l'eau de surface et la zone hyporhéique de grandes plaines alluviales". Toulouse 3, 2008. http://thesesups.ups-tlse.fr/549/.
The hyporheic zone is a bioreactor which can influence the biogeochemical functioning of fluvial hydrosystems. In this work, quantification of its role on water and solutes fluxes in hydrosystem of large alluvial floodplains was made by modelling approach. The proposed model was applied and validated using data previously measured on experimental sites of Freienbrink (Germany), Hers and Garonne (France). The complete model consists of two additional components: a hydrodynamic component (horizontal 2D Saint Venant equations for river flow and 2D Dupuit equations for hyporheic zone flow) coupled with a reactive solute-transport component for dissolved forms of mineral nitrogen and organic matter. The conclusions highlight the importance of transient exchanges between stream and hyporheic zone which facilitate water storage and denitrification processes activation
PERRIER, SEBASTIEN. "La monensine, ionophore cationique d'origine bacterienne : transport en systeme polyphase, solubilisation de ses sels d'ammonium quaternaire dans l'eau". Clermont-Ferrand 2, 1995. http://www.theses.fr/1995CLF21682.
Bedet, Jérôme Moyne Christian Mutzenhardt Pierre. "Caractérisation du transport de l'eau dans les piles à combustible par Imagerie et Spectroscopie de Résonance Magnétique nucléaire". S. l. : S. n, 2007. http://www.scd.uhp-nancy.fr/docnum/SCD_T_2007_0120_BEDET.pdf.
Libri sul tema "Transport de l'eau":
Maestu, Josefina. Water trading and global water scarcity: International experiences. Abingdon, Oxon: Routledge, 2013.
EMSteps e Achim Schuck. EMSteps #12 Transport sur l'eau et dans l'air: Notices de construction pour briques à picots. CreateSpace Independent Publishing Platform, 2017.
Icold, Cigb Cigb. Dams and Water Transfers - an Overview / Barrages et Transferts d'Eau - Aperçu. Taylor & Francis Group, 2021.
Icold, Cigb Cigb. Dams and Water Transfers - an Overview / Barrages et Transferts d'Eau - Aperçu. Taylor & Francis Group, 2021.
Icold, Cigb Cigb. Dams and Water Transfers - an Overview / Barrages et Transferts d'Eau - Aperçu. Taylor & Francis Group, 2021.
Maestu, Josefina. Water Trading and Global Water Scarcity: International Experiences. Taylor & Francis Group, 2012.
Maestu, Josefina. Water Trading and Global Water Scarcity: International Experiences. Taylor & Francis Group, 2012.
Maestu, Josefina. Water Trading and Global Water Scarcity: International Experiences. Taylor & Francis Group, 2017.
Schuermans, Joël, Mouton Résilient e Fernando Aguirre. Résilience! l'eau - Manuel Pratique: Comment Collecter, Gérer, Transporter, Stocker, Filtrer et Purifier L'Eau. Independently Published, 2021.
Charlie Brown: L'encyclopédie : [Les transports] : les avions et les aviateurs, les véhicules à roues, les bateaux qui vont sur l'eau. [Paris]: Dargaud, 1993.
Rapporti di organizzazioni sul tema "Transport de l'eau":
Banque Interaméricaine de Développement rapport annuel 2009: Bilan de l'année. Inter-American Development Bank, febbraio 2010. http://dx.doi.org/10.18235/0005829.