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See detailDecontamination of Resistant Emerging Pathogens
Melin, Pierrette ULg

Conference (2007, December 11)

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See detailThe role of Constitutional Courts as positive framework-legislators
Behrendt, Christian ULg

Conference (2007, December 11)

Conference in comparative constitutional law given in 2007 at the Law Faculty of the Erasmus University of Rotterdam (Erasmus Law School), and exposing the results of my PhD research, published in 2006 ... [more ▼]

Conference in comparative constitutional law given in 2007 at the Law Faculty of the Erasmus University of Rotterdam (Erasmus Law School), and exposing the results of my PhD research, published in 2006, on the role of Constitutional Courts as framework-legislators. [less ▲]

Detailed reference viewed: 45 (0 ULg)
See detailNumerical and experimental characterization of flow in a radial flow cell with aspect ration one.
Detry, Jean; Jensen, B.; Koitzsch, R. et al

Conference (2007, December 10)

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See detailConciliation qualité de vie au travail et qualité de vie en général
Etienne, Anne-Marie ULg

Conference (2007, December 07)

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See detailRisque cardiovasculaires chez les jeunes étudiants
Krzesinski, Jean-Marie ULg

Conference (2007, December 07)

Detailed reference viewed: 2 (0 ULg)
See detailLes apories du matérialisme dialectique
Seba, Jean-Renaud ULg

Conference (2007, December 07)

Detailed reference viewed: 26 (1 ULg)
See detailSalt, hypertension and the kidneys
Krzesinski, Jean-Marie ULg

Conference (2007, December 07)

Detailed reference viewed: 2 (0 ULg)
See detailMeasured Correlations of Auroral Emissions from Jupiter and Saturn With Solar Wind Variations
Clarke, J. T.; Nichols, J.; Gérard, Jean-Claude ULg et al

Conference (2007, December 01)

An extended set of Hubble Space Telescope (HST) observations of the UV auroral emissions from Jupiter and Saturn has been carried out in three campaigns over Jan.-June 2007. This is by far the most ... [more ▼]

An extended set of Hubble Space Telescope (HST) observations of the UV auroral emissions from Jupiter and Saturn has been carried out in three campaigns over Jan.-June 2007. This is by far the most extensive series of remote high resolution imaging of planetary aurora to date, and provides new physical insight into the cause and effect relationships governing the controlling processes for the giant planet auroral emissions. Simultaneous in situ measurements of local solar wind and magnetospheric plasma conditions have been made during two of these campaigns by Cassini at Saturn in Jan. 2007 and by the New Horizons mission approaching Jupiter in Feb. 2007. The UV auroral emission brightness and distributions have also been compared with estimates of the solar wind conditions near each planet extrapolated from near-Earth measurements, which can be verified by comparison with Cassini and New Horizons in situ data. It has been found that there is a good correlation at both planets between total auroral power and solar wind dynamic pressure, at least for the major solar wind disturbances arriving at each planet. At the same time, the nature of the auroral brightenings differs between Jupiter and Saturn, and the source regions of auroral activity are quite different in the two magnetospheres. In this presentation, the HST and solar wind data and the nature of the correlations will be presented. The physical significance of the correlations will be discussed, based on the much denser set of measurements now available. [less ▲]

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See detailAuroral Movies and Spectroscopy from Cassini UVIS
Pryor, W. R.; West, R.; Stewart, I. et al

Conference (2007, December 01)

Cassini's Ultraviolet Imaging Spectrograph (UVIS) has completed three years of study of Saturn's atmosphere and auroras. Two long slit spectral channels are used to obtain EUV data from 56.3-118.2 nm and ... [more ▼]

Cassini's Ultraviolet Imaging Spectrograph (UVIS) has completed three years of study of Saturn's atmosphere and auroras. Two long slit spectral channels are used to obtain EUV data from 56.3-118.2 nm and FUV data from 111.5-191.3 nm. 64 spatial pixels along each slit are combined with slit motion to construct spectral images of Saturn. Auroral emissions are seen from electron-excited molecular and atomic hydrogen. In 2007 UVIS obtained data with the spacecraft well out of Saturn's ring plane, permitting us to create images, spectra, and at times movies. We will present an auroral movie from 2007-145 that has been processed to remove flat-fielding artifacts and deconvolved to remove scattering along the slit. The movie shows near co- rotation of N polar auroral features with the planet's rotation. An auroral oval is present. The oval appears doubled on the midnight side. Other images from this year show emissions inside the auroral oval. We will discuss these images and their spectra. Additional images and movies are planned in coming months. [less ▲]

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See detailTitan Airglow Spectra from Cassini UVIS
Ajello, J. M.; Gustin, Jacques ULg; Stevens, M. et al

Conference (2007, December 01)

We present the first UV airglow observations of Titan's atmosphere by the Ultraviolet Imaging Spectrograph (UVIS) on Cassini. The known UV emissions of Titan have been examined with higher spectral ... [more ▼]

We present the first UV airglow observations of Titan's atmosphere by the Ultraviolet Imaging Spectrograph (UVIS) on Cassini. The known UV emissions of Titan have been examined with higher spectral resolution (0.4 nm FWHM) by the Cassini UVIS than in the past by the Voyager Ultraviolet Spectrometer (UVS) (3.0 nm FWHM). The UVIS observations, confirming Voyager UVS results, have shown that molecular nitrogen is the major constituent of the upper atmosphere of Titan. Using one spectral channel in the EUV from 56--118 nm and one in the FUV from 112--191 nm, the UVIS observed the disk on 13 December, 2004. The combined EUV and FUV spectral region is a probe of the stratosphere-mesosphere-thermosphere-exosphere region from about 300--2000 km. The EUV spectrum consists of three band systems of N2 (b {1}Πu, b' {1}Σu+, c{4'} {1}Σ{u+}--X {1}Σ{g+}), while the FUV spectrum consists of one N2 (a {1}Πg--X {1}Σ{g+}). The UVIS observations reveal that the c{4'}(0)--X(0) vibrational band near 95.8 nm is suppressed, and that N \sc{i} multiplets near 95.32 and 96.45 nm are present instead. Magnetospheric particle excitation is weak on this orbit, since the nightside EUV spectrum shows no observable N2 emission features and only H Lyman-β. The absence of significant darkside emission demonstrates that nitrogen emissions are predominantly excited on this orbit by photoelectrons near 900 km in the thermosphere. Above 145 nm most of the observed signal is due to sunlight reflected by N2 in the Titan mesosphere-stratosphere and modified by aerosol and hydrocarbon absorption. Mixing ratios of C2H2, C4H2, C2H4 and tholins have been derived from the reflected sunlight emission between 145 and 190 nm, using a Rayleigh scattering model. Assuming that the energy deposition at these wavelengths occurs near 300 km, these mixing ratios are in good agreement with recent photochemical models and previous Voyager observations in the IR. We also present the first geometric albedo measurement of Titan from 150--190 nm. [less ▲]

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See detailFaisabilité de la mise en place d’un outil de mesure de la charge de travail des magistrats destiné au siège : conclusions d’une recherche.
Delvaux, David ULg

Conference (2007, December)

Présentation des résultats d'une recherche mandatée par la Politique Scientifique Fédérale et le Ministère de la Justice et intitulée: "Etude de faisabilité de la mise en place d'un outil de mesure de la ... [more ▼]

Présentation des résultats d'une recherche mandatée par la Politique Scientifique Fédérale et le Ministère de la Justice et intitulée: "Etude de faisabilité de la mise en place d'un outil de mesure de la charge de travail destiné au siège". [less ▲]

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See detailApplication de la GnRH au traitement de l'infertilité chez la vache
Hanzen, Christian ULg

Conference (2007, December)

Detailed reference viewed: 75 (8 ULg)
See detailLa Culture céramique de Terqa au troisième millénaire
Mas, Juliette ULg

Conference (2007, December)

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See detailApplication du protocole Ovsynch au traitement du kyste ovarien chez la vache
Hanzen, Christian ULg

Conference (2007, December)

Detailed reference viewed: 109 (4 ULg)
Peer Reviewed
See detailLactation effect on the trace element dynamics in northern elephant seals (Mirounga angustirostris)
Habran, Sarah ULg; Debier, Cathy; Lepoint, Gilles ULg et al

Conference (2007, November 30)

Northern elephant seals, Mirounga angustirostris, are exceptional mammals: females fast entirely during nursing while their pups may quadruple in weight over the 25-day suckling period. Females thus lose ... [more ▼]

Northern elephant seals, Mirounga angustirostris, are exceptional mammals: females fast entirely during nursing while their pups may quadruple in weight over the 25-day suckling period. Females thus lose approximately a third of body mass and produce energy-rich milk with a high fat content. Stable carbon and nitrogen isotope ratios (d13C and d15N used as diet markers) and total mercury concentrations (Hg) were measured in tissues (blood cells, serum, full blood, milk and blubber) from 20 mother-pup pairs on days 4 and 21 of lactation. A systematic difference was observed between isotopic values in blood cells and serum of the mothers, linked to diet and distinct biochemical composition between blood components. d13C differed between inner and outer blubber layers and were similar between inner blubber and milk. High Hg concentrations (up to 350 ng.g-1ww at the beginning of lactation) were found in the blood of mother elephant seals linked to their high d15N values in blood cells. Hg transfer through placenta and milk was observed between mothers and pups. A significant increase of blood Hg concentration in mothers (+285 ng.g-1ww) and a decrease in pups (-93 ng.g-1ww) were observed between days 4 and 21 of lactation. Both processes were explained by a remobilization of proteins and lipids during fasting and milk production in mothers and by a dilution of Hg in pups due to their high mass increase during this period. This study confirms that lactation modifies stable nitrogen isotope ratios in tissues, as well as mercury levels in blood from mothers and pups, and highlights the existence of a transplacental and transmammary transfer of mercury in northern elephant seals. Therefore, physiological processes and body condition should be considered carefully when interpreting stable isotope ratios and Hg concentrations in the framework of biomonitoring. [less ▲]

Detailed reference viewed: 82 (21 ULg)
See detailThe Definition of the Concept of Tax
Bourgeois, Marc ULg

Conference (2007, November 29)

Detailed reference viewed: 12 (2 ULg)
Peer Reviewed
See detailLateral-torsional buckling of Stainless steel I-beams in case of fire
Vila Real, Paulo; Lopes, Nuno; Da Silva, Luis et al

Conference (2007, November 27)

Detailed reference viewed: 13 (0 ULg)
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See detailPrinciples of European Contract Law and Consumer Construction Law
Kohl, Benoît ULg

Conference (2007, November 27)

Detailed reference viewed: 12 (0 ULg)
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See detailA dynamic model of an experimental bloom of coccolithophores Emiliania huxleyi
Joassin, Pascal ULg; Borges, Alberto ULg; Chou, Lei et al

Conference (2007, November 27)

A dynamic model has been developed to represent biogeochemical events observed during an experimentally induced bloom of coccolithophores Emiliania huxleyi. This bloom occurred in a mesocosm experiment ... [more ▼]

A dynamic model has been developed to represent biogeochemical events observed during an experimentally induced bloom of coccolithophores Emiliania huxleyi. This bloom occurred in a mesocosm experiment (Bergen 2001 experiment) during which ecosystem development was followed over a 23-days period through changes of the stocks of inorganic nutrients (nitrate, ammonium and phosphate), dissolved inorganic carbon and pCO2, O2 concentration, pigments, particulate organic carbon and nitrogen, dissolved organic carbon, the production of Transparent Exopolymeric Particles (TEP), primary production, alkalinity, calcification and particulate inorganic carbon. The dynamic model is based on unbalanced algal growth and balanced growth for bacteria as described in Van den Meersche et al. (2004). In addition, in order to adequately reproduce the observations, the model has been extended by including an explicit description of calcification, T.E.P production and an enhanced mortality due to viruses. This last process, based on a critical promiscuity between cellular hosts and viral agents, successfully contributed to reproduce the bloom extinction as observed in the mesocosm experiment. This model will be implemented in a coupled physical-biogeochemical model of the Black Sea ecosystem in the framework of the EU Sesame project and in the Gulf of Biscay in the frame of the Belgian PEACE project. [less ▲]

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See detailTable ronde : «Mort et résurrection de la moelle spinale».
Martin, Didier ULg

Conference (2007, November 25)

Detailed reference viewed: 1 (1 ULg)
Peer Reviewed
See detailComment mourir et comment ressusciter ?
Martin, Didier ULg

Conference (2007, November 25)

Detailed reference viewed: 4 (1 ULg)
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See detailAnalysis of ordinal longitudinal data
Donneau, Anne-Françoise ULg

Conference (2007, November 24)

Detailed reference viewed: 11 (4 ULg)
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See detailSurface properties and morophology study of membranes for bone tissue regeneration
Borget, P; Grandfils, Christian ULg; Köttgen, Cindy et al

Conference (2007, November 16)

Detailed reference viewed: 11 (0 ULg)
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See detailL’évaluation du système de formation
Husson, Jean-François ULg

Conference (2007, November 16)

This contribution was an overview of various evaluation schemes regarding training in various European countires (mainly Britain, The Netherlands and Belgium).

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See detailLes professionnels du conseil : accomplissement pratiques des politiques de l’autocontrainte
Draelants, Hugues; Orianne, Jean-François ULg

Conference (2007, November 15)

Detailed reference viewed: 3 (1 ULg)
See detailet paroles des travailleurs migrants dans le Delta de la Rivière des Perles
Florence, Eric ULg

Conference (2007, November 15)

Detailed reference viewed: 6 (0 ULg)
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See detailSurface water protection against diffuse crop protection products release: results of SWAP-CPP project on potatoes (Belgium)
Maugnard, Alexandre; Bodson, Bernard ULg; Goffart, Jean-Pierre et al

Conference (2007, November 15)

Detailed reference viewed: 16 (4 ULg)
See detailConcevoir des espaces publics durables
Reiter, Sigrid ULg

Conference (2007, November 15)

Detailed reference viewed: 51 (2 ULg)
See detailNouvelles directives de l'hypertension artérielle
Krzesinski, Jean-Marie ULg

Conference (2007, November 13)

Detailed reference viewed: 1 (0 ULg)
Peer Reviewed
See detailAssessing the impact of fungal diseases management on crops and environment. Using dynamic models in the case of foliar diseases in wheat
Bancal, Marie-Odile; Roche, Romain; Gabrielle, Benoit et al

Conference (2007, November 13)

Detailed reference viewed: 12 (0 ULg)
See detailLes nouveaux enjeux intellectuels et politiques des sciences sociales
Strivay, Lucienne ULg

Conference (2007, November 12)

Detailed reference viewed: 7 (1 ULg)
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See detailAnalytique versus dialectique
Leclercq, Bruno ULg

Conference (2007, November 09)

Detailed reference viewed: 9 (0 ULg)
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See detailTrois vieux
Moreno, Paola ULg

Conference (2007, November 05)

Detailed reference viewed: 19 (1 ULg)
See detailTable ronde: Office based procedures in laryngology
FINCK, Camille ULg

Conference (2007, November)

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See detailLe pilotage et la mesure de l’empreinte sociétale de l’entreprise grâce à la Balanced ScoreCard : entre adaptation et évolution radicale du modèle de Kaplan et Norton
Crutzen, Nathalie ULg; Van Caillie, Didier ULg

Conference (2007, November)

Vu l’intérêt croissant porté par les entreprises aux aspects sociaux et environnementaux, la présente communication propose une revue des principales contributions montrant l’importance et les enjeux de ... [more ▼]

Vu l’intérêt croissant porté par les entreprises aux aspects sociaux et environnementaux, la présente communication propose une revue des principales contributions montrant l’importance et les enjeux de la prise en compte des dimensions sociales et environnementales (de la RSE) dans les systèmes de contrôle de gestion des entreprises. Plus spécifiquement, face aux limites de nombreux outils pour piloter et mesurer adéquatement l’empreinte sociétale des entreprises, ce papier met en évidence les avantages présentés par la Balanced ScoreCard (BSC), un outil de contrôle de gestion développé par Kaplan et Norton (1992) et mondialement connu, pour prendre en compte ces nouvelles dimensions. Cette communication expose ensuite comment cet outil peut éventuellement être adapté afin de prendre en compte ces nouveaux impératifs (sociaux et environnementaux) dans le système de contrôle de gestion traditionnel de l’entreprise. Deux possibilités sont particulièrement envisagées : le découplage ou l’intégration des aspects sociétaux aux aspects traditionnels. Une analyse critique des principaux enseignements des recherches précédentes ainsi que des différentes possibilités d’adaptation de la BSC clôture finalement ce papier. [less ▲]

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See detailModalités d’interaction sur interface gestuelle : première évaluation des usages spontanés
Vandamme, Jean-François; Safin, Stéphane ULg; Leclercq, Pierre ULg

Conference (2007, November)

Detailed reference viewed: 75 (1 ULg)
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See detailEquating the Chilean university entrance exam
Magis, David ULg; Janssen, Rianne; San Martin, Ernesto et al

Conference (2007, November)

Detailed reference viewed: 7 (0 ULg)
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See detailContribution à la gestion intégrée des eaux et des sols à travers l'application du contrat de rivière Sourou au Burkina Faso.
Rosillon, Françis ULg

Conference (2007, November)

Inspired from the experience of river contract in Wallonia (Belgium), the implementation of a first river contract has been initiated in a West-African country, Burkina Faso, since 2003. In the program of ... [more ▼]

Inspired from the experience of river contract in Wallonia (Belgium), the implementation of a first river contract has been initiated in a West-African country, Burkina Faso, since 2003. In the program of actions approved by the river committees in December 2005, the protection of water resources and grounds was taken into account. The first realized actions contributed to slow down the degradation of the ecosystems by recreating a space buffer between the river and the cultivated zones. A first project of restoration of the gallery forest alongside the stream was implemented to fight against desertification. This project arouses a strong mobilization of the local actors and demonstrates that such a contractual tool of participative management can make an interesting contribution in favour of an integrated management of waters and grounds. In a river contract, these two resources are associated in a common reflection which transcends still too often sector-based policies. [less ▲]

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See detailCHANGING FAN CULTURE
Comeron, Manuel ULg

Conference (2007, November)

Sport competitions are not just a game; they should be a celebration of social links and understanding among different cultures and traditions. Therefore it is important to ensure that they take place ... [more ▼]

Sport competitions are not just a game; they should be a celebration of social links and understanding among different cultures and traditions. Therefore it is important to ensure that they take place peacefully and in a secure and safe environment. In many cases, the most violent incidents have an international dimension, since large numbers of supporters cross national borders to attend major events. A stronger cooperation between the various communities for the prevention of incidents requires a more structured dialogue between all the stakeholders, including national and local governments, law enforcement agencies, judicial authorities, sport organisations e.g. clubs, supporters’ associations etc. The goal is to deliver a multidisciplinary approach that shares best practice across Europe, and improves day-to-day cooperation between all the actors. [less ▲]

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See detailNovel pH or thermosensitive block copolymers for triggered drug-delivery systems
Jérôme, Christine ULg

Conference (2007, October 30)

Over the last decade, polymer micelles and nanoparticles have attracted an increasing interest as efficient drug delivery systems. Polymer micelles from amphiphilic block copolymers are supramolecular ... [more ▼]

Over the last decade, polymer micelles and nanoparticles have attracted an increasing interest as efficient drug delivery systems. Polymer micelles from amphiphilic block copolymers are supramolecular core-shell type assemblies of some tens of nanometers in diameter. They are highly stable in aqueous solution because of their low intrinsic critical micelle concentration, which prevents their dissociation upon dilution in the blood stream after intravenous injection. The combination of poly(ethylene oxide) (PEO) with hydrophobic aliphatic polyesters, such as poly(ε-caprolactone) (PCL) or polylactide (PLA), allows to prepare stealthy drug nanocarriers (thanks to PEO), which are biodegradable and biocompatible and capable of encapsulating a hydrophobic drug (due to the aliphatic polyester). In this field, the inclusion of an additional pH-responsive block in the supramolecular assembly is a promising strategy to improve the targeting of tumor tissues by taking advantage of the lower pH at the vicinity of tumor cells. A variety of novel amphiphilic and pH-sensitive copolymers have been synthesized and tested as building blocks for the design of smart nanocarriers able to expose selectively the targeting unit at the vicinity of tumor. Various macromolecular architectures combining PEO, PCL and P2VP have been accordingly synthesized such as linear and star shape di- and triblock copolymers. Their (co)-micellization has been studied in terms of size, particle shape (DLS, TEM) and stealth behavior. Besides, thermo-responsive copolymers combining PEO, polyacrylic acid and poly-N-isopropyl-acrylamide have been synthesized and found efficient in stabilizing stealthy magnetic nanoparticles promising for thermally triggered release of drugs during hyperthermia. [less ▲]

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See detailQuelques idées saussuriennes chez Jorge Luis Borges
Sofia, Estanislao ULg

Conference (2007, October 30)

Detailed reference viewed: 20 (2 ULg)
See detailL'impact de la production de viande traditionnelle sur l'environnement
Beckers, Yves ULg

Conference (2007, October 27)

Detailed reference viewed: 40 (7 ULg)
See detailLe catholicisme baroque : historiographie et nouveaux enjeux
Delfosse, Annick ULg

Conference (2007, October 26)

Detailed reference viewed: 15 (2 ULg)
See detailAby Warburg, science du détail et éléments secondaires
Hagelstein, Maud ULg

Conference (2007, October 25)

C’est à l’historien de l’art juif allemand Aby Warburg (1866-1929) que l’on prête généralement la formule : « Le bon Dieu niche dans les détails » (Der liebe Gott steckt im Detail) . Au vu de ses ... [more ▼]

C’est à l’historien de l’art juif allemand Aby Warburg (1866-1929) que l’on prête généralement la formule : « Le bon Dieu niche dans les détails » (Der liebe Gott steckt im Detail) . Au vu de ses multiples implications pour la théorie de l’art, le trait d’esprit semble n’avoir rien perdu de son actualité. Aussi s’agira-t-il d’entreprendre ici une réflexion sur la portée méthodologique de l’attention extrême que le travail de Warburg réserve aux détails. Par « détails », on peut entendre aussi bien les éléments singuliers se découpant au sein des œuvres que, de manière plus générale, les aspects secondaires (ou jugés tels) de la culture. Warburg accorde le même soin aux détails de l’image qu’aux détails de l’histoire. Parmi d’autres innovations, l’apport majeur de l’historien de l’art hambourgeois a peut-être été d’ouvrir la sphère des Beaux-Arts à son « dehors », à une série d’objets théoriques habituellement laissés de côté en raison de leur insignifiance supposée. Pour Warburg, une œuvre d’art reste illisible sans l’effort qui consiste à la replacer dans le tissu culturel dont elle a émergé. Il ne négligeait aucun document : lettres, actes de naissance, contrats, bons de commande, testaments, horoscopes, etc. Gertrud Bing, qui fut son assistante, confirmait d’ailleurs sa manière inimitable de faire parler les documents apparemment anodins. La lecture des images elles-mêmes faisait l’objet d’une généreuse méticulosité. Dès sa dissertation de 1893, consacrée à deux œuvres majeures de Botticelli (La Naissance de Vénus et Le Printemps), Warburg accorde un vif intérêt à la représentation des éléments secondaires (chevelures, drapés, etc.) et du mouvement qui les traverse. À partir de cette analyse « locale » de l’œuvre botticellienne, il développe déjà l’un des points essentiels de sa vision de l’histoire et de la culture. On tentera donc de montrer en quoi le détail constitue chez Warburg un passage obligé vers l’élaboration d’une théorie générale, tout en la menaçant toujours. [less ▲]

Detailed reference viewed: 17 (4 ULg)
See detailLa procalcitonine: un marqueurs d'infection bactérienne
Chapelle, Jean-Paul ULg

Conference (2007, October 25)

Detailed reference viewed: 29 (2 ULg)
See detailFood Chain Security and Vulnerability: Belgian Case Study
Brunet, Sébastien ULg; Fallon, Catherine ULg

Conference (2007, October 25)

Detailed reference viewed: 12 (2 ULg)
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See detailNatural and projectively equivariant quantizations
Radoux, Fabian ULg

Conference (2007, October 21)

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See detailMondialisation et déclin de la puissance de l'Etat
Pâques, Michel ULg

Conference (2007, October 19)

La souveraineté de l'Etat lui donne la puissance de régler toute question dans la sphère étatique et de corriger le jeu des forces du marché au profit d'autres intérêts. L'absence de souveraineté à l ... [more ▼]

La souveraineté de l'Etat lui donne la puissance de régler toute question dans la sphère étatique et de corriger le jeu des forces du marché au profit d'autres intérêts. L'absence de souveraineté à l'échelle mondiale empêche le réglement équivalent des questions qui échappent au cadre étatique. La mondialisation d'une question entraîne une difficulté de réglementation et de correction des forces du marché au profit d'autres intérêts. La mondialisation et le déclin de la puissance de l'Etat sont liés. [less ▲]

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See detailLinearizing Option Returns for Portfolio and Risk Management
Bodson, Laurent ULg; Hübner, Georges ULg

Conference (2007, October 18)

This paper proposes a method to deduce the first four moments and the co-moments (with any other asset) of an option return. We consider the dynamics of an option-replicating portfolio of four basic ... [more ▼]

This paper proposes a method to deduce the first four moments and the co-moments (with any other asset) of an option return. We consider the dynamics of an option-replicating portfolio of four basic assets: the underlying, two long-term options and a zero coupon bond. This approach allows us to capture the moments up to order four of the underlying and to linearize the option return. A numerical example illustrates some of the features and applications of this model. [less ▲]

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See detailUsing survey data to resolve the exchange risk exposure puzzle
Muller, Aline ULg; Jongen, Ron; Verschoor, Willem

Conference (2007, October 17)

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See detailQualitative Spatio-Temporal Reasoning & Spatial Database Design
Donnay, Jean-Paul ULg; Hallot, Pierre ULg; Laplanche, François

Conference (2007, October 17)

Detailed reference viewed: 54 (16 ULg)
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See detailAdaptation du Voice Handicap Index à la voix chantée
Morsomme, Dominique ULg; Gaspar, Martine; Jamart, Jacques et al

Conference (2007, October 16)

Le V.H.I. de Jacobson et al. ne traduit pas les difficultés éprouvées par le chanteur. L’étude présentée ici est l’aboutissement de 5 travaux visant à l’adaptation de l’index à la voix chantée. Chaque ... [more ▼]

Le V.H.I. de Jacobson et al. ne traduit pas les difficultés éprouvées par le chanteur. L’étude présentée ici est l’aboutissement de 5 travaux visant à l’adaptation de l’index à la voix chantée. Chaque étude a évalué la fiabilité et la cohérence des items. Morsomme et Gaspar ont proposé une nouvelle version dont les items ont été reformulés dans le but de rendre cet outil accessible à tous les chanteurs dysodiques ou non. Nous avons évalué la fiabilité et la cohérence interne de cette dernière mouture, sur une population de 192 chanteurs classiques et 27 non chanteurs. Pour la validation de l’échelle, la comparaison des scores moyens aux deux tests montrent que les résultats du retest est significativement inférieurs pour la sous échelle fonctionnelle (p=0.013) et le score global (p=0.006). Nous observons une bonne stabilité test/retest (ICC: E Fonctionnelle:0.869, E Emotionnelle: 0.846, E Physique: 0.85, Score Global: 0.878/ Rho de Spearman F: 0.855, E: 0.834, P: 0.858, G: 0.886). La cohérence interne de chaque sous échelle (Cronbach’s alpha) est bonne (>0.80). Les corrélations entre les 3 sous échelles sont assez élevées (FvsE: 0,613 /EvsP: 0,737/ FvsP: 0,693). Chaque sous échelle mesure une dimension particulière tout en restant homogène entre-elles. La différence test-retest entre les chanteurs et les contrôles est non significative. Au test de Levene le groupe contrôle a une plus grande variabilité de réponses pour le score globale (p=0.02), les E fonctionnelle (p<0 .001) et physique (p=0.009). Trois variables font augmenter significativement les résultats: être soliste (F:p=0.046; E: p=0.002; P: p=0.056; G: p=0.006), être amateur (F:p<0.001; E: p=0.019; P: p<0.001; G: p=0.001), et avoir une plainte vocale (F, E, P et G: p<0.001). En conclusion, le V.H.I. adapté aux chanteurs se révèle fiable, valide et adapté à la population de chanteurs classiques. [less ▲]

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Conference (2007, October 13)

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Conference (2007, October 13)

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Conference (2007, October)

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Conference (2007, October)

This study explains the potential and the limits of a field ASD spectrometer and a CASI airborne instrument to assess the Soil Organic Carbon, in the context of soil carbon mapping.

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Conference (2007, October)

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See detailLandscape and participation: construction of a PhD research problem and an analysis method. Towards the comparative analysis of participatory processes of landscape management projects design on a local scale in the Walloon region (Belgium)
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Conference (2007, October)

A preliminary reflection to the definition of a PhD research problem on the concepts of participation, landscape and project, led the student to be interested in the participatory processes of landscape ... [more ▼]

A preliminary reflection to the definition of a PhD research problem on the concepts of participation, landscape and project, led the student to be interested in the participatory processes of landscape management projects design, and in the inhabitants landscapes representations. The method includes the comparative analysis of local processes of projects design, and the direct observation of two Walloon landscape management projects design (investigation conducted with stakeholders implied in the project design and among inhabitants, direct observation, organisation of participative meeting-debates. Fitting her research approach within the field of the territorial participative research-action, the PhD student assumes that the participation of the territorial actors and the population can “feed” the scientific research as well as territorial action. She reconsiders moreover some difficulties encountered in her research. [less ▲]

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