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Academic literature on the topic 'Paramètres polaires'
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Journal articles on the topic "Paramètres polaires"
Baudu, Michel, Gilles Guibaud, David Raveau, and Pierre Lafrance. "Prévision de l'adsorption de molécules organiques en solution aqueuse en fonctions de quelques caractéristiques physico-chimiques de charbons actifs." Water Quality Research Journal 36, no. 4 (November 1, 2001): 631–57. http://dx.doi.org/10.2166/wqrj.2001.034.
Full textJestaz, David, and Olivier Passet. "La flexibilité comparée des marchés du travail américain et japonais." Revue de l'OFCE 63, no. 4 (November 1, 1997): 143–94. http://dx.doi.org/10.3917/reof.p1997.63n1.0143.
Full textSapte, E., P. Bordei, C. Cristache, and S. Vandra. "Corrélations entre les aspects morphologiques et les paramètres hémodynamiques au niveau de l’artère polaire supérieure du rein." Morphologie 91, no. 293 (July 2007): 133. http://dx.doi.org/10.1016/j.morpho.2007.09.128.
Full textDissertations / Theses on the topic "Paramètres polaires"
Bonan, Bertrand. "Assimilation de données pour l'initialisation et l'estimation de paramètres d'un modèle d'évolution de calotte polaire." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00930097.
Full textKilic, Lise. "Estimation des paramètres de surface des océans et de la banquise à partir d’observations micro-ondes basses fréquences." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS167.
Full textThe oceans and sea ice play an important role in the climate and weather system. A future low-frequency passive microwave satellite mission designed to observe the polar regions is currently under study at the European Space Agency for the expansion of the Copernicus programme. Passive microwave satellite observations provide all-weather observation of the Earth surface, both day and night. In this thesis, we are interested in estimating ocean and ice surface parameters from low-frequency passive microwave satellite observations. The objective is to develop new methods for estimating these parameters that are more efficient and adapted to the future passive microwave satellite mission CIMR (Copernicus Imaging Microwave Radiometer). The first part of the thesis deals with the estimation of ocean parameters such as sea surface temperature, salinity and ocean wind speed. The second part deals with the estimation of sea ice parameters such as sea ice concentration, snow depth and snow-ice interface temperature. Finally, with the methods developed in this thesis, the performances of the CIMR mission are evaluated and compared with the current missions
Borsenberger, Marc. "Contribution à l’identification de l’interaction paramètres procédés – propriétés d’emploi des produits : Application au forgeage et aux propriétés électromagnétiques d’une roue polaire d’alternateur." Thesis, Paris, ENSAM, 2018. http://www.theses.fr/2018ENAM0015.
Full textThe design of electrical machines aims to integrate the impact of the manufacturing process in order to optimize the conversion from mechanical to electrical energy, with the consideration of the electromagnetic properties of the machine components. The interactions between processes, electromagnetic properties and other material properties have been well studied in the case of the steel laminations, regarding their wide use in electrical engineering and the current standards of magnetic characterization devices. However, the claw pole alternator used in automotive industry has a rotor with massive components for the mechanical-to-electrical energy conversion. These components, called claw poles, are manufactured with forging operations whose impact on the machine performance is yet not well determined. The new challenges brought by this kind of work pieces led, in the frame of the current study, to the development of a specific methodology involving: identification of the link process – product, designing of a magnetic characterization device specific for representative samples as well as the establishment of behavior laws regarding relevant material parameters. The results, in accordance with the literature, have shown a strong influence of plastic strain and grain size on magnetic properties. Once these modified properties integrated in the electromagnetic model of the claw pole alternator, a significant decreased of the output current is eventually observed
Lukowicz, Thomas. "Synergistic solubilisation of fragrances in binary surfactant systems and prediction of their EACN value with COSMO-RS." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10090/document.
Full textSolvo-surfactants are a relatively new class of amphiphiles, which exhibit properties of both, surfactants and solvents. They are able to form aggregates, wherein they can solubilise hydrophobic compounds. Furthermore they exhibit volatile characteristics, which make them interesting for applications where volatility is a key factor, such as aqueous fragrance solubilisations. In a solvo-surfactant/oil/water (SOW) system, the phase behaviour is strongly influenced by the hydrophobicity of the oil. Therefore the equivalent alkane carbon number (EACN) of several polar oils, such as dialkylethers, 2-alkanones, 1-chloroalkanes etc. was determined and the decrease in EACN with respect to n-alkanes was related to its functionalization, as well as rationalised with the effective packing parameter for each corresponding type of oil. The EACN of all 94 oils were then used in a multilinear regression analysis, based on COSMO-RS -moments, in order to establish a QSPR model, which is able to predict the EACN of any hydrocarbon oil. The influence of ionic surfactants was finally investigated in a SOW system, with various oils of different EACN. It was found that the ionic surfactant increases strongly the temperature stability of the (pseudo-)ternary system, as well as the efficiency to solubilise the oil. However the efficiency undergoes a maximum for a certain molar fraction of ionic surfactant, since the latter prevents the system to inverse. Thus a bicontinuous microemulsion cannot be formed, which is known to solubilise high amounts of oil and water
Duluc, Jean-Baptiste. "Contribution à l'étude des paramètres technologiques et du modèle de transistor bi-polaire : application au contrôle du procédé de fabrication et à la conception des circuits intégrés." Bordeaux 1, 1999. http://www.theses.fr/1999BOR10508.
Full textMondet, Jean. "Etude des paramètres de surface de la calotte polaire antarctique, dans les domaines spectraux du visible et du proche infrarouge, à partir des données de l'instrument de télédétection POLDER." Phd thesis, Grenoble 1, 1999. http://tel.archives-ouvertes.fr/tel-00766029.
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