Search results for "champ"
showing 10 items of 249 documents
Création de champs de potentiel et simulation d'itinéraires à partir de l'enquête ménages-déplacement
2008
Rosé des Riceys. Tradition et exception en Champagne
2018
International audience
Hyperspectral near-field imaging : development and applications to nanophotonics devices
2013
The scanning near-field optical microscopy (SNOM) is used to analyze optical phenomena at the sub-wavelength scale such as light localization and propagation in photonic crystals or plasmonic devices. In any case, SNOM experiments rely on the positioning of a local probe in the optical near field of a given structure and on the detection of the surrounding evanescent waves. Depending on the nature of the probe or on the optical detection method, the detected physical properties are the spatial distributions of the amplitude and phase or the intensity of the electric and magnetic components of the probed field. We present here the implementation of an innovative hyperspectral near-field imag…
Microfibres for nonlinear optics
2011
In this thesis, I present my works on the fabrication, the characterization and the use of optical microfibres. Microfibres are optical fibres drawn down to sub-wavelength diameters by a temperature controlled process. Due to their small dimensions, microfibers have very special properties such as a high confinement of the electromagnetic field, a enhanced non-linear coefficient and a large evanescent tail. These properties are studied in the first chapter, after which a description of the techniques used for the drawing and manipulation of the microfibres is given. Next, we present our experiments on non-linear effects in silica microfibres. In particular, we show that it is possible to ge…
La mycorhize : une alliance plante-champigon. Effets bénéfiques sur les produits du terroir
2013
Assessment of the impact of the cultivation of different cultivars of maize, including Bt-maize varieties, on soil- and plant-associated microbial an…
2008
communication orale invitée; We will present a synthesis of the results of our study aiming at evaluating the impact of the cultivation of different maize genotypes (Monumental, DKC3420, DK315, DKC5143, DKC5783) and of corresponding Bt-maize genotypes tolerant to the pyrale production (Mon810, TXP138-F, DKc3946, DK5018, DKc5783Bt), on soil microflora. This analysis has been conducted on three compartments: the soil, the rhizosphere (defined as the soil in contact with the root) and the root (colonisation by arbuscular mycorrhizal fungi).This study has been performed in a greenhouse experiment settled to estimate the impact produced by the cultivation of the different maize genotypes on: (i)…
L'origine de toutes les altérations superficielles du tubercule de pomme de terre est-elle vraiment infectieuse?
2009
SPE communication orale, résumé; Deux essais en sol stérile testant le pouvoir pathogène des souches le plus fréquemment isolées et inoculées seules, et un essai en hydroponie testant l'effet de co-inoculations de 2 souches sur l'apparition des altérations ont été mis en place.
L’eau, l’écrit et la société. Étude statistique sur les champs sémantiques dans les bases de données [CBMA]
2010
Intitulé « L’eau, l’écrit et la société. Étude statistique sur les champs sémantiques dans les bases de données [CBMA] », ce mémoire de master partait du constat que les chartes contiennent un nombre extrêmement important de termes relatifs à la description et donc, par extension, à la perception du monde par les médiévaux. Or, ces formules, plus ou moins stéréotypées, n’ont presque jamais été considérées comme des informatrices potentielles en ce qui concerne ce lien entre l’homme médiéval et le mundus, i.e. la Création qui l’entoure. Néanmoins, dès l’orée de l’étude, il est rapidement apparu qu’une telle recherche ne pouvait faire abstraction de plusieurs problématiques plus traditionnell…
The Role of Financial and Managerial Variables on the Policy towards Home-grown Players in English Soccer
2012
The training and development of young players both as athletes and individuals is one of the task soccer governing bodies assign to professional soccer team in order to fully exploit the social aspects of sport activities. Recently UEFA imposed new rules to improve the use of home-grown players. We analyze a panel data of English Premier and Championship league clubs for the seasons 2001-02 to 2005-06 in order to understand what clubs characteristics lead to the employment of young players in the team during official matches. Sport commercialization and the employment of star players have been considered harmful to this role. Our findings suggest that, counter-intuitively, economic and comm…
Tactical Analysis of the Winners' and Non-Winners' Performances in a Taekwondo University Championship
2014
The purpose of this study was to identify tactical characteristics of successful athletes who competed in a National University Championship. Results from the study allow taekwondo coaches and competitors to orient their training towards evidence-based practice to achieve success in competitions. Overall, taekwondo athletes performed more attacks than counterattacks. However, winners performed more counterattacks than non-winners. Moreover, winners performed more anticipatory counterattacks (ANC) and less indirect attacks (INA) than non-winners. Lastly, the order of the performance of the actions for non-winners was by decreasing frequency direct attack (DIA), INA, posterior counterattack …