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See detailQuality control of particulate materials through image analysis.
Pirard, Eric ULiege

in Optics and Industrial Vision (2004)

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See detailMultiradial Image Analysis in Optical Reflected Light Microscopy
Pirard, Eric ULiege; Lebichot, Sophie

in XIIIth European Congress for Microscopy (2004)

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See detailAnalisis Mineralogico Cuantitativo
Pirard, Eric ULiege

in XVI Congreso Geologico Boliviano (2004)

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See detailCartografia Preliminar de los minerales evaporiticos del salar de Coipasa utilisando imagenes Aster
Caceres, Fernando; Gutierrez, Jorge; Pirard, Eric ULiege

in Conferencia Nacional de Valorizacion de los Salares (2004)

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See detailMonitoring color alteration of ornamental flagstones using digital image analysis.
Lebrun, Vincent; Toussaint, Caroline; Pirard, Eric ULiege

in Prykryl, R. (Ed.) Dimension Stone (2004)

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See detailCartografía de Minerales Evaporiticos Utilizando Imágenes Satelitales de los Salares de Sud Lipez (Bolivia)
Caceres, Fernando; Ali-Ammar, Hamid; Pirard, Eric ULiege

in XVI Congreso Geologico Boliviano (2004)

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See detailComposite columns to mitigate soft storey in reinforced concrete structures submittes to earthquake.
Plumier, André ULiege; Stoychev, L.; Doneux, C.

in Proceedings of the Colloquium recent Advances and New Trends in Structural Design (2004)

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See detailShake Table Test and Seismic Performance Evaluation of Bracing Members
Elghazouli, A.; Broderick, B.; Goggins, J. et al

in Proceedings of the 13th World Conference on Earthquake Engineering (2004)

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See detailRenormalization in effective theories: Prescriptions for kaon-nucleon resonance parameters
Semenov-Tyan-Shanskiy, Kirill ULiege

in Lipatov, L.; Kim, V. (Eds.) Proceedings of First International Workshop, Hadron Structure and QCD, from low to high energies, Repino, St. Petersburg, Russia, 18-22 May 2004 (2004)

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See detailAn immunohistochemical study of canine nasal aspergillosis.
Peeters, Dominique ULiege; day, M. J.; Moore, Peter et al

in Proceedings of The 14th Annual Congress of the ECVIM-CA (2004)

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See detailAn immunohistochemical study of eosinophilic bronchopneumopathy in dogs.
Peeters, Dominique ULiege; Day, M. J.; Clercx, Cécile ULiege

in Proceedings of the 14th Annual Congress of the ECVIM-CA (2004)

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See detailFacies and environments of the Middle Frasnian platform in Belgium
Da Silva, Anne-Christine ULiege; Boulvain, Frédéric ULiege

in Abstract book - 23th IAS meeting, Coimbra, Portugal (2004)

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See detailLa philosophie de la réparation et le système pénal", Actes du Forum « La justice réparatrice à l’épreuve du carcéral
Dubois, Christophe ULiege

in Actes du colloque "La justice réparatrice à l'épreuve du carcéral" (2004)

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See detailRecent state of the Aral sea from regular satellite observations. 35th COSPAR Scientific Assembly
Stanichny, Sergey ULiege; Davidov, A.; Djenidi, Salim ULiege et al

in 35th COSPAR Scientific Assembly (2004)

The Aral Sea disaster is one of the most significant examples of ecological catastrophe caused by mismanagement of water resources. Aral sea level dropped on 22 meters for the last 35 years. The sea ... [more ▼]

The Aral Sea disaster is one of the most significant examples of ecological catastrophe caused by mismanagement of water resources. Aral sea level dropped on 22 meters for the last 35 years. The sea separated in to two independent parts , the Large Sea(Southern) and the Small Sea (Northern), loosing more than 90% of its original water masses. After the collapse of the former Soviet Union, satellite retrieved data became the main source of information on this perishing system. Regular observations from AVHRR, SeaWiFS, MODIS and ASTER satellite sensors were used for our investigations. Sea surface temperature (SST) data of the AVHRR sensor and digital bottom map topography were used for sea level drop calculations. The Sea level defined as the digital map isobate corresponds quite well to the satellite derived coastline for the Eastern part of the Large Sea with a bottom slope of ˜ 0.00015. For the period 1989-2002 the sea level of the Large Sea dropped on 9.2 meters. However in 2003 the sea level remained stable. This stabilisation was due to an increase of water output of the rivers Amu--Darya and Syr-Darya in 2003. High resolution ASTER data showed that the main amount of Syr-Darya waters is discharged into the Large Sea. The dried bottom area now covers more than 45000 km2. On the base of AVHRR-SST data the temperature regime for different parts of the Aral Sea was calculated for the years 2002-2003. The annual amplitude of the SST variation reaches 37° C for the open waters. The observed minimum freezing point was -7° C due to very high salinity. Estimations from satellite retrieved freezing points show an increase of salinity up to 10% in the Eastern part of the Large Sea. It is almost paradox that on satellite images the ice appears warmer than the water. Strong variations of the water temperature (up to 5° C) within a few days could be observed from April to August and could be related to wind induced mixing. SeaWiFS ocean colour data were used for the investigation of the optical properties of the water in different parts of the Aral Sea for the years 2002-2003. A significant relation of optical properties with wind and temperature was obtained. Strong changes of the thermal regimes of the Sea can cause variations in local climatic conditions: The analysis of AVHRR NDVI - data for the surrounding areas demonstrated a shift in the annual vegetation cycle. In addition phenomena like: salt storms, wind driven tides, sources of groundwater, eddies and frontal structures as well as ice coverage of the Aral Sea were demonstrated on satellite images. [less ▲]

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See detailGaseous emissions in the raising of weaned pigs on fully slatted floor or on straw-bases deep litter
Nicks, Baudouin ULiege; Laitat, Martine ULiege; Farnir, Frédéric ULiege et al

in Clement, G.; Madec, F. (Eds.) Proceedings of the in- between congress of the International Society for Animal Hygiene (2004)

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See detailCaractérisation pédologique des berges sensibles: problématique de l'accès du bétail aux cours d'eau
Leboeuf, Dimitri; Marcoen, Jean Marie ULiege; Bock, Laurent ULiege

in Monitoring et gestion physique des cours d'eau wallons. (2004)

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See detailManuel de projet. Choix des filières de traitements des eaux urbaines résiduaires et systèmes d’infiltration d’eaux usées épurées et d’eaux pluviales.
Grela, R.; Lemineur, M.; Wauthelet, M. et al

in Etude de méthodes et d’outils d’aide à la décision pour la planification et la mise en oeuvre de systèmes d’épuration individuelle ou groupée », (2004)

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See detailThe nitrogen isotope ratio in a few Oort Cloud comets
Jehin, Emmanuel ULiege; Arpigny, Claude ULiege; Manfroid, Jean ULiege et al

in 35th COSPAR Scientific Assembly (2004)

In the past few years, high-resolution (R ˜ 70,000) and high quality spectra of the CN B^2Sigma^+ - X^2Sigma^+ (0,0) band (at 388 nm) of several Oort Could comets have been collected by our team in ... [more ▼]

In the past few years, high-resolution (R ˜ 70,000) and high quality spectra of the CN B^2Sigma^+ - X^2Sigma^+ (0,0) band (at 388 nm) of several Oort Could comets have been collected by our team in different observatories and have allowed the first optical detections of [SUP]12[/SUP]C[SUP]15[/SUP]N. Observations with first class spectrographs on large 8m telescopes, such as UVES at the ESO VLT, have shown that such very efficient equipment are able to provide isotopic ratios for comets as faint as m_r ˜ 9 (heliocentric magnitude), opening up the possibility of carrying out a systematic analysis over a significant sample of comets. While the measured [SUP]12[/SUP]C/[SUP]13[/SUP]C isotope ratios in the different comets are in good agreement with the Solar system value (89), the derived [SUP]14[/SUP]N/[SUP]15[/SUP]N ratios are only about half the value in Earth's atmosphere (272), indicating an excess of [SUP]15[/SUP]N by a factor of about 2 with respect to the "cosmic" value. It is striking to note that the optical determinations of [SUP]14[/SUP]N/[SUP]15[/SUP]N in the different comets are consistent with each other (140 � 30), but not with the ratios derived for comet Hale-Bopp from sub-millimeter measurements on HCN, generally believed to be the main parent of CN. This discrepancy could indicate the existence of (an) other unknown parent(s) of CN, with an even higher [SUP]15[/SUP]N excess. Organic compounds like those found in interplanetary dust particles (IDPs) are good candidates. Further determinations from HCN are now badly needed in other comets. Obtaining the value of the N isotopic ratio in Jupiter-family short-period comets would be of great significance in view of their presumed different place of birth. Much is also expected in this respect, as in many others, from several space missions such as Deep Impact, Stardust, and Rosetta. [less ▲]

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See detailDrying up of a natural spring for ensuring stability of an artificial slope: is it sustainable development ?
Dachy, Marie; Sage, Sandrine; Dassargues, Alain ULiege

in Hack, R.; Azzam, R.; Charlier, Robert (Eds.) Engineering geology for infrastructure planning in Europe (2004)

Near a small city of the Belgian ‘Ardennes’ (East of Belgium), modification of a natural slope for extension of industrial activities has required an extensive drainage in a weathered zone composed of ... [more ▼]

Near a small city of the Belgian ‘Ardennes’ (East of Belgium), modification of a natural slope for extension of industrial activities has required an extensive drainage in a weathered zone composed of colluvium and weathered claystones and quartzites. After a few days, the drain at the foot of the artificial slope was producing about 1000 m3/day while a natural spring located at a 200 m distance on the hillside was completely dried up. This spring was used for drinking water by the local community. A shallow geophysical prospection by refraction seismics and 2D geoelectrical tomography, associated to geological, morphostructural and hydrogeological observations have lead to a clear understanding of (1) the spring occurrence; (2) the feeding conditions of the spring and consequently (3) the ‘lateral’ hydraulic impact of the drain. In the hill, the bedrock is changing from quartzites (uphill) to claystones (downhill) inducing changes in hydraulic conductivity and thickness of the overlying weathered zone. On the basis of these hydrogeological conditions, associated to the specific topographic conditions, different possible remediation schemas have been proposed to the decision makers. Unfortunately, the full restoration of the natural spring appears to be one of the most technically and financially difficult option …while it is surely the most suitable in the name of a sustainable development. [less ▲]

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See detailMaintien et stratégies de renforcement de la motivation des étudiants dans l'enseignement à distance
Mignon, Jacques ULiege; Closset, Jean-Louis ULiege

in Actes du 21e congrès de l’Association internationale de pédagogie universitaire (AIPU) (2004)

L'exploitation des nouvelles technologies dans la mise sur pied d'un enseignement à distance s'accompagne nécessairement d'une réflexion pédagogique structurée. Cette réflexion fait souvent fi de la mise ... [more ▼]

L'exploitation des nouvelles technologies dans la mise sur pied d'un enseignement à distance s'accompagne nécessairement d'une réflexion pédagogique structurée. Cette réflexion fait souvent fi de la mise en oeuvre de véritables stratégies motivationnelles. Pourtant, lorsqu'on demande à un enseignant pourquoi il souhaite mettre un cours en ligne, il invoque souvent le fait de chercher à motiver ses étudiants. Nous distinguerons ici le maintien de la motivation, du renforcement de la motivation des étudiants. Les risques de démotivation et d'abandon sont très nombreux dans l'enseignement à distance, même avec le soutien des nouvelles technologies. Il est donc essentiel de veiller à maintenir constamment la motivation initiale de l'apprenant. Si le maintien de cette motivation fait appel à des moyens, des trucs, des recettes de tutorat, il n'en va pas de même du renforcement de la motivation. En effet, il s'agit ici de mettre au point, dès la phase de conception du cours, de véritables stratégies motivationnelles. Quels sont les risques de démotivation des étudiants ? Comment les éviter ? Quelles bases théoriques peuvent nous guider dans notre mise au point des stratégies motivationnelles ? Quelles pistes motivationnelles le concepteur peut-il emprunter, et dans quelles perspectives ? Sur base des théories de la motivation, notre recension des données bibliographiques vise à préciser les questions que doivent se poser les concepteurs de cours à distance. De même, elle débouche, pour chaque question, sur des pistes concrètes à explorer. [less ▲]

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See detailStructural investigations of HSS rolls for hot strip mill
Lecomte-Beckers, Jacqueline ULiege; Tchuindjang, Jérôme Tchoufack ULiege; Ernst, R. et al

in Proceedings of the 41st Rolling Seminar Processes, Rolled and Coated Product (2004)

High Speed Steel (HSS) cast rolls are used in front finishing stands of hot strip mills (HSM). Good wear resistance and hardness at high temperatures, are defining features of HSS. Previous experience has ... [more ▼]

High Speed Steel (HSS) cast rolls are used in front finishing stands of hot strip mills (HSM). Good wear resistance and hardness at high temperatures, are defining features of HSS. Previous experience has shown that HSS rolls containing mainly hard MC carbides have a high friction coefficient, which is detrimental for the rolling power consumption and for the strip surface quality. On the other hand, HSS rolls containing eutectic rod shaped carbides are brittle and more susceptible to spalling. To overcome these problems, a suitable grade, called HSS7, that gives the best compromise between a low friction coefficient and a high crack propagation and wear resistance was developed. That alloy contains well-dispersed hard VC carbides improving wear, and non-interconnected eutectic carbides of the M2C and M7C3 type, hindering crack propagation. All the metallurgical factors affecting the performance and damage of under rolling condition in front finishing stands are reviewed: wear resistance, friction coefficient, resistance to rolling incident, and oxide film formation. The effect of nature, morphology and amount was for each of the carbides studied and connected to the factor affecting the behaviour of the new grade developed. Different techniques are used such as: differential thermal analysis, optical and electron scanning microscopy and image analysis. A correlation with mechanical properties was also performed. [less ▲]

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See detailMelting and crystallisation behaviour of multi-component Fe-C-Cr-X alloys : microstructural aspects
Tchuindjang, Jérôme Tchoufack ULiege; Lecomte-Beckers, Jacqueline ULiege

in Proceedings of the 13th European Microscopy Congress (2004)

Studied materials are of the Fe-C-Cr-X multi-component system where X represents a group of strong carbides formers as Mo, V, or Nb. These alloys are used for wear components. Differential Thermal ... [more ▼]

Studied materials are of the Fe-C-Cr-X multi-component system where X represents a group of strong carbides formers as Mo, V, or Nb. These alloys are used for wear components. Differential Thermal Analysis (DTA) was used to determine the melting and solidification behaviour of these materials. Raw material has a thermomecanical history that involved casting, heat treating and hot forming, which could be investigated by the melting sequence of the DTA trial. [less ▲]

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See detailMesoscopic model of intergranular cracks in low carbon steel during cooling of continuous casting
Castagne, S.; Pascon, Frédéric ULiege; Lecomte-Beckers, Jacqueline ULiege et al

in Lamberigts, M. (Ed.) Proceedings of the 2nd international conference of thermomechanical processing of steels (TMP 2004) (2004)

This paper addresses the problem of transverse cracking during the continuous casting of low carbon steel. The damage mechanisms occurring at high temperature during this process are identified and a ... [more ▼]

This paper addresses the problem of transverse cracking during the continuous casting of low carbon steel. The damage mechanisms occurring at high temperature during this process are identified and a numerical approach for the modelling of these phenomena at the grain scale is proposed. Experiments allowing the identification of the model’s parameters are described. Finally, the first results obtained with the model are presented. [less ▲]

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See detailSpace Geodesy at the Royal Observatory of Belgium
Beuthe, Michaël; Bruyninx, Carine; Carpentier, Georges et al

in COSPAR report Period 2002-2003 (2004)

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See detailUn système d'indicateurs d'équité des systèmes éducatifs européens : un outil d'analyse des politiques d'éducation et de formation en Communauté française de Belgique
Nicaise, Julien; Straeten, Marie-Hélène; Baye, Ariane ULiege et al

in Actes du troisième congrès des chercheurs en éducation (2004)

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See detailA qui profite la justice ? Normes, sentiments et critères de justice des élèves et enseignants de 2e année de l'enseignement secondaire en Communauté française de Belgique
Baye, Ariane ULiege

in Actes du 3e congrès des chercheurs en éducation, Université Libre de Bruxelles, 16-17 mars 2004 (2004)

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See detailEvaluer et comparer l'équité des systèmes éducatifs grâce à un système d'indicateurs
Baye, Ariane ULiege; Nicaise, Julien

in Actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2003 (2004)

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See detailAn investigation on the use of GBT for the study of profiles with branched cross section
Degée, Hervé ULiege; Boissonnade, N.

in Proceedings of the Fourth International Conferences on Coupled Instabilities in Metal Structures (2004)

This paper presents a formulation allowing the application of generalised beam theory (GBT) to the analysis of thin-walled members with branched open cross section. It is then applied to a simple example ... [more ▼]

This paper presents a formulation allowing the application of generalised beam theory (GBT) to the analysis of thin-walled members with branched open cross section. It is then applied to a simple example and compared with results obtained by the use of classical FE-models (beam elements or shell elements). [less ▲]

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See detailStructural optimisation of steel frames for industrial applications
Mathonet, V.; Degée, Hervé ULiege; Habraken, Anne ULiege et al

in Proceedings of the Inverse Problems Design and Optimization Symposium (2004)

The paper reports the first results of a work carried out in close collaboration between Astron Buildings SA, a manufacturer of industrial steel buildings, and different groups of civil engineers and ... [more ▼]

The paper reports the first results of a work carried out in close collaboration between Astron Buildings SA, a manufacturer of industrial steel buildings, and different groups of civil engineers and mathematicians of the University of Liège to develop an automatic design method for structures with tapered members. This research aims at improving the current method of trialerror followed by experienced engineers to optimize the frames constrained by a chosen national construction code and the technological constraints of the producer. The main benefit of this collaboration arises through the application of a mathematical algorithm based on the sequential quadratic programming method (SQP) in order to reduce, in the first step, the weight of the building, under the great number of constraints. The second step, not yet started, will be devoted to the minimization of the real cost of the frame. This report introduces the first results of this industrial application. [less ▲]

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See detailIntraplate deformations measured using an absolute gravimeter across the Ardenne and the Roer Graben (North-Western Europe)
Van Camp, Michel; Camelbeek, Thierry; Warnant, René ULiege

in Meurers, B.; Pail, R. (Eds.) Proceedings of the 1st Workshop on International Gravity Field Research (2004)

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See detailEUREF Related Activities in Belgium
Bruyninx, Carine; Carpentier, Georges; Lejeune, Sandrine et al

in Torres, J.; Hornik, H. (Eds.) EUREF Publication No. 13 (2004)

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See detailLandscape metrics for the evaluation of trend reliability in remote sensing imagery.
Bogaert, Jan ULiege

in Abstracts of the Second International SPOT/VEGETATION Users Conference (2004)

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See detailEffects of atmospheric turbulence on the GENIE nulling interferometer
Absil, Olivier ULiege

in Aime, Claude; Soummer, Rémi (Eds.) Astronomy with High Contrast Imaging II (2004)

Two competitive design studies for the Ground-based European Nulling Interferometer Experiment (GENIE) have recently been initiated by the European Space Agency and the European Southern Observatory. A ... [more ▼]

Two competitive design studies for the Ground-based European Nulling Interferometer Experiment (GENIE) have recently been initiated by the European Space Agency and the European Southern Observatory. A major issue in these studies is the influence of atmospheric turbulence on the performance of the instrument, and how atmospheric effects can be compensated in order to reach the goal performance (detection of faint exozodiacal clouds). In this paper, we review the main atmospheric processes affecting a nulling interferometer and discuss possible ways to reduce them by means of real-time control systems. Preliminary performance estimates of GENIE are then presented. The effects of the thermal background and its fluctuations (Absil & Bakker 2004) are not considered here. [less ▲]

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See detailSoil variability measured by a soil strenght sensor: within-field variability and similarity between fields
Hanquet, Bernard; Ndao, Tanor; Verbrugge, Jean-Claude et al

in Book of Abstracts (2004)

Many sensing methods for soil physical properties determination are developed to replace time-consuming and expensive soil sampling and analysis. Within this scope, sensors to measure soil strength are ... [more ▼]

Many sensing methods for soil physical properties determination are developed to replace time-consuming and expensive soil sampling and analysis. Within this scope, sensors to measure soil strength are developed in several laboratories. They are generally coupled to DGPS positioning systems to produce maps, showing within-field soil variability. In this study, besides the within-field variability, the sensor was used with another objective: the aim was to appraise the similarity of soil strength between different fields located in silty areas, in Belgium. [less ▲]

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See detailLes paramyxovirus des mammifères marins
Jauniaux, Thierry ULiege

in proceeding of the conference (2004)

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See detailDermatophytosis: efficacy of commercial vaccines?
Mignon, Bernard ULiege

in Proceedings of the 5th World Congress of Veterinary Dermatology (2004)

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See detailLandscape pattern analysis using independent pattern components and landscape transformation processes.
Bogaert, Jan ULiege

in The 19th Annual Symposium of the IALE US regional association. (2004)

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See detailEcoles sanctuaires, écoles ghettos : quel rôle joue l'origine socioculturelle et ethnique dans les différences de performances entre établissements ?
Monseur, Christian ULiege; Lafontaine, Dominique ULiege

in Actes du 3e congrès des chercheurs en éducation, Bruxelles, 16-17 mars 2004 (2004)

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See detailSatellite data for local investigation in coastal zones: case study for Tangier area (Morrocco)
Tigny, Vincent; Elabdellaoui, Jamal; Stanichny et al

in 35th COSPAR Scientific Assembly (2004)

Recent operative satellite multispectral sensors like MERIS, MODIS with more traditional AVHRR and SeaWiFS and high resolution ASTER and ASAR give an unique opportunity for investigation of the marine ... [more ▼]

Recent operative satellite multispectral sensors like MERIS, MODIS with more traditional AVHRR and SeaWiFS and high resolution ASTER and ASAR give an unique opportunity for investigation of the marine processes with spatial scale from few hundred meters and temporal variability from few hours. In addition to this, QuikScat wind data helps to better understand an eventual forcing variation. One of the most important processes in coastal area is water (and probable pollutants) transport and mixing. Optical and thermal properties of the water or surface roughness peculiarities can be used as tracers or markers on subsequent images for the estimation of the currents structure and pollution displacement in ocean upper layer. Such kind of investigation is subject to significant interest near the ports and cities surroundings due to strong anthropogenic impact. Processes for the Tangier bay area were investigated by the means of the above-mentioned satellite data coupled with CTD and ADCP field measurements (August 2003). This analysis shown the strong influence of the mesoscale processes like eddies and wind driven upwelling on the currents patterns in the coastal zone. On the basis of the ASTER and ASAR data we estimated typical pollutions pathways. MODIS (Aqua and Terra ) and MERIS data were used for investigation of the variations of the water optical properties on time scale from few hours. This scale is important according to the typical 12 hours tidal motions in Tangier bay area Mutual analyses shown that mixing on Camarinal sill play a significant role in exchange processes in Tangier bay . AVHRR SST data set were analyzed together with QuikScat wind data. This analysis shown that Westward winds caused coastal upwelling phenomena with temperature difference up to 10° C. Quikscat spatial wind variability was also compared with NCEP wind data in nearest point --6W, 36N. Animations for different seasons, on the basis of subsequent thermal AVHRR images, highlighted the variability of regional dynamics. In addition, SeaWiFS time series images were processed, analyzed and compared with MODIS and MERIS data. Multispectral and multisensors approach for Tangier coastal areas study shown high efficiency at that scale, and can obviously be used for other regions. [less ▲]

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See detailThe agricultural area survey as a tool for implementing the European Nitrates Directive in the Walloon Region of Belgium.
Vandenberghe, Christophe ULiege; Mohimont, A. C.; Garot, T. et al

in Hatch, D. J.; Chadwick, D. R.; Jarvis, S. C. (Eds.) et al Controlling nitrogen flows and losses. (2004)

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See detailCorrespondences between the conception principles of sustainable public spaces and the criteria of outdoor comfort
Reiter, Sigrid ULiege

in de Wit, M. H. (Ed.) Plea 2004 - Proceedings of the 21th International Conference on Passive and Low Energy Architecture (2004)

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See detailEffects of somatic growth, sex and circadian rhythm on respiratory parameters assessed by whole body barometric plethysmography in healthy cats
Leemans, J.; Kirschvink, N.; Delvaux, François ULiege et al

in 14th ESVIM Meeting - Barcelona - Espagne (2004)

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See detailTraining-induced changes in aerobic capacity assessed by VO2max and echocardiography in standardbred horses
Art, Tatiana ULiege; De Moffarts, Brieuc; Sandersen, Charlotte ULiege et al

in Lindsey, A. Abeyasekere; Frances, J.Barr (Eds.) Handbook of the 43rd Congress of the British Equine Veterinary Association (2004)

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See detailCour d'arbitrage et droit judiciaire privé
Abu Dalu, Firass ULiege

in La Cour d'arbitrage: un juge comme les autres? (2004)

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See detailRadiographic signs induced by bronchoalveolar lavage in cats
Bernaerts, Frederique ULiege; Kirschvink, N.; Leemans, J. et al

in 14th ESVIM Meeting - Barcelona - Espagne - Septembre 2004 (2004)

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See detailSpatial pattern change in plant communities following extreme events: consequences for re-colonisation and alien plant invasion. Verhandlungen der Gesellschaft für Ökologie, Band 34, Eco-complexity and dynamics of the cultural landscape,
Nijs, I; Li, Z Q; Bogaert, Jan ULiege

in Otte, A; Simmering, D; Eckstein, L (Eds.) et al Eco-complexity and dynamics of the cultural landscape, (2004)

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See detailLes productions animales dans les pays candidats
Burny, Philippe ULiege

in CRA (Ed.) Neuvième Carrefour des Productions Animales "L'impact de l'ouverture à l'Est sur les productions animales des pays de l'Ouest de l'Europe", Gembloux, 21-01-2004 (2004)

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See detailExperimental characterization of hafting traces and their recognition in archaeological assemblages
Rots, Veerle ULiege; Vermeersch, Pierre M.

in Walker, E. A.; Wenban-Smith, F.; Healy, F. (Eds.) Lithics in Action. Papers from the Conference Lithic Studies in the Year 2000 (2004)

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See detailNumerical simulation of tissue differentiation around loaded implants in a bone chamber
Geris, Liesbet ULiege; Vander Sloten, Jos

in In Proceedings of the Mini-Symposium Biomécanique de l'appareil locomoteur (2004)

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See detailApplication of different mathematical models for the prediction of bone regeneration in an in vivo bone chamber
Van Oosterwyck, Hans; Geris, Liesbet ULiege; Gerisch, A. et al

in Lecture notes of workshop Numerical models of bone adaptation and repair (2004)

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See detailFinite-element simulations of cup drawing using the taylor and the lamel model
Van Bael, A.; He, S.; Van Houtte, P. et al

in Stören, Sigurd (Ed.) Proceedings of the 7th ESAFORM conference on Materials Forming (2004)

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See detailFinite element prediction of the swift effect based on Taylor-type polycrystal plasticity models
Duchene, Laurent ULiege; Delannay, L.; Habraken, Anne ULiege

in Stören, Sigurd (Ed.) Proceedings of the 7th ESAFORM conference on Materials Forming (2004)

This paper describes the main concepts of the stress-strain interpolation model that has been implemented in the non-linear finite element code Lagamine. This model consists in a local description of the ... [more ▼]

This paper describes the main concepts of the stress-strain interpolation model that has been implemented in the non-linear finite element code Lagamine. This model consists in a local description of the yield locus based on the texture of the material through the full constraints Taylor’s model. The prediction of the Swift effect is investigated: the influence of the texture evolution is shown up. The LAMEL model is also investigated for the Swift effect prediction. [less ▲]

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See detailDeep drawing process with different elasto-plastic law
de Montleau, P.; Duchene, Laurent ULiege; Bouvier, S. et al

in Stören, Sigurd (Ed.) Proceedings of the 7th ESAFORM conference on Material Forming (2004)

Recently, a combination of a texture based yield locus and of the Teodosiu's hardening model has been implemented in the Finite Element code LAGAMINE of the department M&S of the University of Liège. The ... [more ▼]

Recently, a combination of a texture based yield locus and of the Teodosiu's hardening model has been implemented in the Finite Element code LAGAMINE of the department M&S of the University of Liège. The yield locus is able to take into account the texture updating during a FE simulation. The texture evolves with respect to the crystalographic rotations due to the plastic deformations. Two hardening models are considered: the classical Swift istropic hardening model and the Teodosiu's hardening model that is a physically-based microstructural model. It takes into account intergranular heterogeneity due to the evolution of dislocation structures, that affects the isotropic and the kinematic hardening. The aim of the paper is to compare the influence of the hardening with the influence of the yield shape updating due to the texture evolution, on the final plastic anisotropy, for a deep drawing simulation. The tests are performed for the steel FeP06t that presents a non negligible initial anisotropy. [less ▲]

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See detailDeep drawing simulations with different polycrystalline models
Duchene, Laurent ULiege; de Montleau, P.; Bouvier, S. et al

in Gosh, Somnath; Castro, Jose M.; Lee, June K. (Eds.) Materials Processing and Design: Modeling, Simulation and Applications (NUMIFORM 2004) (2004)

The goal of this research is to study the anisotropic material behavior during forming processes, represented by both complex yield loci and kinematic-isotropic hardening models. A first part of this ... [more ▼]

The goal of this research is to study the anisotropic material behavior during forming processes, represented by both complex yield loci and kinematic-isotropic hardening models. A first part of this paper describes the main concepts of the ‘Stress-strain interpolation’ model that has been implemented in the non-linear finite element code Lagamine. This model consists of a local description of the yield locus based on the texture of the material through the full constraints Taylor’s model. The texture evolution due to plastic deformations is computed throughout the FEM simulations. This ‘local yield locus’ approach was initially linked to the classical isotropic Swift hardening law. Recently, a more complex hardening model was implemented: the physically-based microstructural model of Teodosiu. It takes into account intergranular heterogeneity due to the evolution of dislocation structures, that affects isotropic and kinematic hardening. The influence of the hardening model is compared to the influence of the texture evolution thanks to deep drawing simulations. [less ▲]

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See detail“Rendre à l’événement sa brutale fraîcheur”. Roman et événement chez Jean-Paul Sartre
Denis, Benoît ULiege

in Alexandre, Didier; Frédéric, Madeleine; Parent, Sabrina (Eds.) et al Que se passe-t-il ? Événements, sciences humaines et littérature (2004)

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See detailNonlinear energy pumpin: A new paradigm for vibration isolation
Vakakis, Alexander F.; McFArland, D. Michael; Kerschen, Gaëtan ULiege et al

in 3rd China-Japan US Symposium on Health Mondial and Control of Structures, Dalian, 2004 (2004)

We discuss passive nonlinear energy pumping from a linear (main) mechanical structure to a weakly coupled, local, passive nonlinear energy sink (NES). We show that the NES can be designed to effectively ... [more ▼]

We discuss passive nonlinear energy pumping from a linear (main) mechanical structure to a weakly coupled, local, passive nonlinear energy sink (NES). We show that the NES can be designed to effectively absorb vibrational energy from the main structure in a one-way, irreversible fashion. We demonstrate the occurrence of pumping cascades, where an appropriately designed NES passively extracts energy sequentially from a number of modes of the main (linear) structure, interacting individually with each mode before moving to the next. Experimental results confirm our theoretical findings. The applications of the nonlinear energy pumping phenomenon to the problem of vibration and shock isolation will be discussed. [less ▲]

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See detailFast 3D finite element - boundary element analysis of induction heaters with passive and active shielding
V Sabariego, Ruth ULiege; Sergeant, Peter; Gyselinck, Johan et al

in Proceedings of Progress in Electromagnetics Research Symposium (PIERS2004) (2004)

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See detailPregnancy-associated glycoproteins (PAG) in postpartum cows, ewes, goats and their offspring
Haugejorden, G.; Dahl, E.; Karlberg, K. et al

in Proceedings of the 15th International Congress on Animal Reproduction (2004)

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See detailLa Femme et le cloître à l’époque moderne. Bilan historiographique et perspectives de recherches
Henneau, Marie-Elisabeth ULiege

in Leduc, Guyonne (Ed.) Nouvelles sources et nouvelles méthodologies de recherche dans les études sur les femmes (2004)

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See detailKidding and embryo survival rate after traditional or direct transfer of frozen/thawed goat embryons
Baril, G.; Pougnard, J. L.; Leboeuf, B. et al

in Proceedings of the 15th International Congress on Animal Reproduction (2004)

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See detailDifférences liées au sexe : l'école en relation avec son environnement
Lafontaine, Dominique ULiege; Blondin, Christiane ULiege

in Actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2003 (2004)

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See detailOn the determination of local buckling modes for the design of thin walled members
Rossi, Barbara ULiege; Rondal, Jacques ULiege

in International Conference on Coupled instabilities in metal structures: CIMS2004, Rome 27-29 September 2004 (2004)

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See detailEvaluation et correction du stress oxydant
de Moffarts, Brieuc; Kirschvink, Nathalie; Lekeux, Pierre ULiege

in XXIème Journée d’Etude de la Belgian Equine Practitioners Society (BEPS) (2004)

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See detailLe sang, l’argent, l’information : allégorie des réseaux de communication dans Le Comte de Monte-Cristo
Durand, Pascal ULiege

in IVe Actas do Congresso internacional da Associaçao Portuguesa de Literatura Comparada (2004)

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See detailMusiques et littérature africaines-américaines
Sacré, Robert ULiege

in Demeuldre, Michel (Ed.) Sentiments Doux-amers dans les Musiques du Monde . Délectations Moroses dans les blues, fado,tango, flamenco, rebetiko, p'ansori,ghazal,... (2004)

La tradition orale, la culture populaire et les musiques vocales pratiquées dans leurs communautés sont très présentes dans l'oeuvre des écrivains africains-américains en général et par exemple, dans " A ... [more ▼]

La tradition orale, la culture populaire et les musiques vocales pratiquées dans leurs communautés sont très présentes dans l'oeuvre des écrivains africains-américains en général et par exemple, dans " A Lesson before Dying" de Ernest GAINES. [less ▲]

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See detailInvestigating relationships between Landsat ETM+ data and LAI in a semi-arid grassland of northwest China
Lu, L; Li, X; Ma, M G et al

in Geoscience and Remote Sensing Symposium, 2004. Proceedings IGARSS '04. (2004)

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See detailApproche clinique de l’anémie
Amory, Hélène ULiege; Gabriel, B

in Proceedings of the Annual meeting of the French Equine Veterinary Association (AVEF) (2004)

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See detailGrass disease et Equine motor neurone disease
Amory, Hélène ULiege

in Proceedings of 2ème Journée Toulousaine de Médecine Equine (2004)

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See detailSession anémie : illustration par une revue de cas cliniques
Amory, Hélène ULiege; Pringle, J

in Proceedings of the Annual meeting of the French Equine Veterinary Association (AVEF) (2004)

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See detailCerebrospinal fluid level of protein S100 beta in healthy horse : a preliminary study
Lopez, D; De Moffarts, Brieuc; Delguste, Catherine ULiege et al

in Tierärztliche Praxis Kleintiere (2004)

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See detailA case of Vitamin K3 induced renal toxicosis in a horse
Sandersen, Charlotte ULiege; Cassart, Dominique ULiege; Bertrand, P et al

in Tierärztliche Praxis Kleintiere (2004)

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See detailLa piroplasmose: une réalité belge ?
Mantran, A; Votion, Dominique ULiege; Amory, Hélène ULiege

in Proceedings of the 21th Annual Congress of the Belgian Equine Practitioners Society (BEPS) (2004)

Detailed reference viewed: 31 (13 ULiège)
See detailDifferential diagnosis of cardiac murmurs in horses
Amory, Hélène ULiege

in Proceedings of the 12th Moscow International Veterinary Congress (2004)

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See detailAuscultation of cardiac murmurs in horses
Amory, Hélène ULiege

in Proceedings of 12th Moscow International Veterinary Congress (2004)

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See detailTroubles proprioceptifs spécialisés : Syndrome cerebelleux et vestibulaire
Amory, Hélène ULiege

in Proceedings of 2ème Journée Toulousaine de Médecine Equine (2004)

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See detailTroubles nerveux accompagnant les maladies organiques ou métaboliques
Amory, Hélène ULiege

in Proceedings of 2ème Journée Toulousaine de Médecine Equine (2004)

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See detailMetodologia documentaria e insegnamento a distanza (traduit du français par Massimo Borghese)
Pochet, Bernard ULiege

in Lombello Soffiato, Donatella; Lo Brano, Ademario (Eds.) Inciampare nel problema. Il Processo di ricerca dell'informazione nella biblioteca scolastica multimediale (2004)

During this presentation, we will mainly describe the information literacy courses at the University of Gembloux in Belgium (FUSAGx) and its gradual transformation of from presential education to distance ... [more ▼]

During this presentation, we will mainly describe the information literacy courses at the University of Gembloux in Belgium (FUSAGx) and its gradual transformation of from presential education to distance learning. The process is far from over, but some lessons can already be drawn from this 3 years experience's. [less ▲]

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See detailNivelles et Namur : deux maisons francophones d’Annonciades aux Pays-Bas méridionaux (17e-18e s.)
Henneau, Marie-Elisabeth ULiege

in Dinet, Dominique; Moracchini, Pierre; Portebos, Marie-Emmanuel (Eds.) Jeanne de France et l'Annonciade (2004)

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See detailLes évaluations externes organisées en Communauté française de Belgique : quelques questionnements autour des notions de qualité, de pertinence sociale et d'équité
Fagnant, Annick ULiege; Demonty, Isabelle ULiege

in Evaluation entre équité et efficacité, Actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2003. Les cahiers du Service de Pédagogie expérimentale, 15/16 (2004) (2004)

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See detailDoppler echocardiographic repercussions of a 12 week treadmill training period in Standardbreds
Amory, Hélène ULiege; De Moffarts, Brieuc; Art, Tatiana ULiege et al

in 43rd Congress of the British Equine Veterinary Association (2004)

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See detailCompromiso motor y participation en actividades fisicas y desportivas extraescolar: comparacion del alumnado en relacion con su habilidad
Piéron, Maurice; Cloes, Marc ULiege

in Gonzalez Valeiro, M. A.; Sanchez Molina, J. A.; Gomez Varela, J. (Eds.) Preparacion professional y necesidades socials (Educacion fisica, deporte, ocio, tercera edad, salud...). Proceedings of the AIESEP International Congress La Coruña 2002 (2004)

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See detailDerivation of the rotational frequency of massive stars from seismic studies
Aerts, C.; Scuflaire, Richard ULiege; Thoul, Anne ULiege

in Stellar Rotation. 215 (2004)

In this contribution we review the current status of the determination of the rotational frequency in non-radially pulsating B stars, i.e. beta Cep stars and slowly pulsating B stars. Considerable ... [more ▼]

In this contribution we review the current status of the determination of the rotational frequency in non-radially pulsating B stars, i.e. beta Cep stars and slowly pulsating B stars. Considerable progress is currently being made in the understanding of the non-radial oscillations of main-sequence B Stars by means of high-temporal, high-spatial resolution spectroscopic time series. This has led to the detection of frequency multiplets, which are interpreted as rotationally splitted non-radial modes and which allow an accurate determination of the surface rotational frequency in some stars. We outline how our future goal, i.e. the derivation of the internal rotation frequency, can be achieved. [less ▲]

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See detailA hydrographic and biochemical climatology of the Mediterranean and the Black Sea: some statistical pitfalls
Rixen, Michel; Beckers, Jean-Marie ULiege; Maillard, Catherine

in Vandenberghe, E.; Brown, M.; Costello, M.J (Eds.) et al IOC Workshop Report 188 (2004)

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See detailPositive and negative aspects of « Sport + Studies Programmes » organized at secondary school level, perceived by athletes and their classmates
Cloes, Marc ULiege; Schelings, Virginie; Ledent, Maryse et al

in Gomez, Varera; Gonzalez, Valeiro; Sanchez, Molina (Eds.) Preparacion professional y necesidades socials (Educacion fisica, deporte, ocio, tercera edad, salud...). Proceedings of the AIESEP International Congress (2004)

In many sports, top level athletes have experienced years of hard practice. Training must be intensive and abide to high quality criteria. Today, promising teenagers are enrolled in sport programmes ... [more ▼]

In many sports, top level athletes have experienced years of hard practice. Training must be intensive and abide to high quality criteria. Today, promising teenagers are enrolled in sport programmes. However, the success of sport careers is so hazardous that it is necessary to guarantee the best school preparation to youths following their way to top level sport ... [less ▲]

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See detailA Set of Equity Indicators of the European Education Systems A synthesis
Demeuse, Marc; Baye, Ariane ULiege; Straeten, Marie-Hélène et al

in Moreno Herrera, L.; Francia, G. (Eds.) Educational Policies. Implications for Equity, Equality and Equivalence (2004)

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See detailMotivation in the Gym: A Qualitative Approach
Cloes, Marc ULiege

in Chin, M. K.; Hensley, L. D.; Cote, P. (Eds.) et al Global Perspectives in the Integration of Physical Activity, Sports, Dance, and Exercise Science in Physical Education: From Theory to Practice (2004)

Students’ motivation is a major concern of physical education teachers as well as it interest the others educators. Understanding of that complex variable increased during the last two decades. In the ... [more ▼]

Students’ motivation is a major concern of physical education teachers as well as it interest the others educators. Understanding of that complex variable increased during the last two decades. In the physical education domain, many studies were focused on isolated variables related to motivation and on their relationship with pupils’ behaviours. More recently, qualitative researches were conducted to enter in the class specificity and to integrate the complexity and diversity of the variables that influence students’ motivations. Combining questionnaires interviews and observation, some researchers have confirmed that student’s motivation depends on a package of dispositional as well as individual and collective situational factors. They pointed out also the determining role of the teacher in the development of a motivated class climate. This paper will describe a couple of qualitative studies designed to analyse students’ motivation and will underline their contribution in the understanding of the phenomena related to the development of motivation by students. Moreover, as teachers need research directly focused to their concerns, we must now provide them more support helping them to apply research data. The action research design is proposed as an appropriate approach in that way. The description of a pilot action research focused on the improvement of the students’ motivation in a secondary school level girls class will also proposed. The main results should provide the starting point of a reflective process about the strategies that teachers could plan on the gym. As it has been underlined above, the goal of the paper was to share useful information with practitioners and researchers and to encourage them to involve themselves in personal research on students’ motivation. [less ▲]

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See detailQuestionner le questionnement. Exemple d’une démarche réflexive appliquée à l’intervention en sport)
Lenzen, Benoît; Bonfond, Jeanne-Marie ULiege; Cloes, Marc ULiege

in Léziart, Y.; Loquet, M. (Eds.) Cultures sportives et artistiques. Formalisation des savoirs professionnels. Pratiques, formations, recherches. Actes du colloque international ARIS (2004)

Les scientifiques qui ancrent leurs recherches dans le vaste champ des sciences cognitives sont de plus en plus nombreux à s’interroger sur les méthodes qu’ils emploient. De la « connaissance de la ... [more ▼]

Les scientifiques qui ancrent leurs recherches dans le vaste champ des sciences cognitives sont de plus en plus nombreux à s’interroger sur les méthodes qu’ils emploient. De la « connaissance de la connaissance » (Morin, 1986) au « point de vue radicalement en première personne » (Vermersch, 2000a) en passant par la « situation d’étude privilégiée » (Grison, 1998), cette préoccupation épistémologique commence à intégrer progressivement le domaine de l’intervention en sport. [less ▲]

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See detailQuelle place l’enseignement a-t-il parmi les motivations et projets professionnels des étudiants en Education physique?
Cloes, Marc ULiege; Renard, Jean-Pierre; Gérard, Philippe et al

in Herphelin, M. (Ed.) Actes du 3ème Congrès des Chercheurs en Education. (Re)trouver le plaisir d'enseigner et d'apprendre. Construire savoirs et compétences (2004)

Il est commun de considérer que les études en éducation physique conduisent exclusivement à une carrière dans l’enseignement. Toutefois, les recherches portant sur les aspirations professionnelles des ... [more ▼]

Il est commun de considérer que les études en éducation physique conduisent exclusivement à une carrière dans l’enseignement. Toutefois, les recherches portant sur les aspirations professionnelles des étudiants entrant dans ce type de formation sont relativement rares et il n’est pas possible actuellement de déterminer si tous les étudiants possèdent réellement cette vocation «pédagogique». En Communauté française de Belgique, la présence et le succès de 12 établissements de formation en éducation physique a incité le Ministère de l’Enseignement supérieur et de la Recherche scientifique à commander une étude portant sur les motivations des jeunes qui s’engagent dans cette orientation de formation. [less ▲]

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See detailConception et évaluation d’un cours en ligne destiné à améliorer les compétences de futurs enseignants en Education physique à l’analyse de tâche. Des savoirs techniques aux compétences pédagogiques.
Delfosse, Catherine ULiege; Lenzen, Benoît; Cloes, Marc ULiege

in Herphelin, M. (Ed.) Actes du 3ème Congrès des Chercheurs en Education. (Re)trouver le plaisir d'enseigner et d'apprendre. Construire savoirs et compétences (2004)

Ce cours utilise la plate-forme d’enseignement à distance WebCT et est accessible aux étudiants via Internet. Il s’adresse en priorité aux étudiants de 2ème candidature en éducation physique de ... [more ▼]

Ce cours utilise la plate-forme d’enseignement à distance WebCT et est accessible aux étudiants via Internet. Il s’adresse en priorité aux étudiants de 2ème candidature en éducation physique de l’Université de Liège mais pourrait être utilement proposé aux enseignants en formation continuée voire aux entraîneurs. Ce cours a été conçu dans le cadre du DES Formasup en Pédagogie Universitaire de l’Université de Liège, orientation EAD (enseignement à distance) par Benoît Lenzen, Assistant au Département des APS, en collaboration avec le LabSET (Laboratoire de Soutien à l’Enseignement Télématique). Ce travail constitue la première étape d’une réflexion plus large entamée sur la liaison entre apprentissage théorique et travail de terrain. [less ▲]

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See detailL'effet des polluants sur le comportement géomécanique des argiles: une approche généralisée
Schmitz, R. M.; Schroeder, Christian; Charlier, Robert ULiege

in Journées Nationales de Géotechnique et de Géologie de l'Ingénieur (2004)

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See detailLa portée du témoignage de Pausanias sur les cultes locaux
Pirenne-Delforge, Vinciane ULiege

in Labarre, Guy (Ed.) Les cultes locaux dans les mondes grec et romain. Actes du colloque de Lyon, 7-8 juin 2001) (2004)

Detailed reference viewed: 48 (8 ULiège)
See detail« Questions choisies de droit des biens : servitudes et mitoyenneté »,
Lecocq, Pascale ULiege; Boufflette, Sophie ULiege; Vandeweerd, Nathalie

in Chronique de droit à l'usage des juges de paix et de police 2004 (2004)

Detailed reference viewed: 36 (3 ULiège)
See detailIsolation and characterisation of new alien monosomic addition lines of Gossypium australe F. Muell. on G. hirsutum L.
Mergeai, Guy ULiege; Sarr, D.; Ahoton, L. et al

in Proceedings of the 2004 International cotton initiative workshop (2004)

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See detailLinks between producers and consumers in alternative food systems in France and Belgium : sustainable development made practical ?
Lamine, Claire; Stassart, Pierre M ULiege

in Proceedings of Eursafe Congress 2004 (2004)

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See detailUse of mapped SSR markers to assist the selection of low-gossypol seeds and high-gossypol plant cultivars in upland cotton
Benbouza, H.; Lacape, M.; Jacquemin, J. M. et al

in Proceedings of the 2004 International cotton initiative workshop (2004)

Detailed reference viewed: 33 (6 ULiège)