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See detailCollaborative learning in a virtual campus : allowing future teachers live what their future learners could live about technologies and education
Denis, Brigitte ULg

in 9th European conference EARLI Bridging instruction to learning, University of Friburg - August 28-September 1, 2001 (2001, August)

This paper presents a European project called Socrates LEARN-NETT1 based on a distance collaborative learning realised with the help of a virtual campus. This one offers functions facilitating the ... [more ▼]

This paper presents a European project called Socrates LEARN-NETT1 based on a distance collaborative learning realised with the help of a virtual campus. This one offers functions facilitating the navigation inside the campus, giving access to some information related to the LEARN-NETT community (students, tutors, groupworks, news, etc), regulation and management of collaborative work, communication tools, sharing of resources, … [less ▲]

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See detailPredicting the fatigue notch effect from partial experimental data
Debongnie, Jean-François ULg

in Culley, S.; Duffy, A.; McMahon, C. (Eds.) et al Proceedings of the 13th International Conference on Engineering Design. Design methods for performance and sustainability (2001, August)

This paper is devoted to a new method of fatigue strength assessment, which is based on similarity relations and former results of the author on the gradient method.

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See detailX-ray microtomography : a new tool to follow soft material shrinkage during convective drying
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Proceedings of the 2nd World Congress on Industrial Process Tomography, Hannover, Germany, Aug 29-31, 2001 (2001, August)

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See detailMid-FIR Properties of ELAIS Sources
Marquez, I.; Masegosa, J.; Morel, Thierry ULg et al

in The Promise of the Herschel Space Observatory (2001, July 01)

We present the properties of all the galaxies detected by ISO at 7, 15 and 90 microns in ELAIS northern fields. The spectral energy distribution (SED) of those 20 galaxies with IRAS detections can ... [more ▼]

We present the properties of all the galaxies detected by ISO at 7, 15 and 90 microns in ELAIS northern fields. The spectral energy distribution (SED) of those 20 galaxies with IRAS detections can generally be well fitted by a predominant cirrus component plus a modest starburst contribution. Follow-up spectroscopy has shown that all the objects are emission-line galaxies but without a very intense star formation event. Most of the galaxies analyzed by means of optical R band photometry result to host an important exponential disk component, in good agreement with the SED IR modelling. We note that galaxies with morphological signs of perturbations seem to show slightly higher f[SUB]15[/SUB]/f[SUB]6.7[/SUB] ratios, indicating that star formation could be more important in them. One of the objects is a broad-line, radio-quiet quasar at z=1.099; its spectral energy distribution indicates that it is a hyperluminous infrared galaxy (HLIG), the first HLIG detected in the ELAIS areas. [less ▲]

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See detailSpectroscopic Properties of New IR Galaxies Detected in the European Large Area ISO Survey
Cabrera-Guerra, F.; Perez-Fournon, I.; Gonzalez-Solares, E. A. et al

in The Promise of the Herschel Space Observatory (2001, July 01)

We present preliminary results of multi-object spectroscopy of new mid-, and far-infrared selected galaxies detected in the European Large Area ISO Survey (ELAIS). The data have been obtained with the ... [more ▼]

We present preliminary results of multi-object spectroscopy of new mid-, and far-infrared selected galaxies detected in the European Large Area ISO Survey (ELAIS). The data have been obtained with the fibre spectrographs WYFFOS at the William Herschel Telescope (Observatorio del Roque de los Muchachos, ORM, Canary Islands) and Hydra at the WIYN Telescope (Kitt Peak Observatory, Arizona). The sample includes ISO sources detected at 7, 15 and 90 microns and radio sources from our deep VLA survey in the ELAIS areas. [less ▲]

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See detailAdaptive $\lambda$-Tracking of Nonlinear Systems with Higher Relative Degree Using Reduced-Order High Gain Control
Bullinger, Eric ULg; Findeisen, R.; Allgöwer, F.

in Proc. of the IFAC Nonlinear Control Systems Design, NOLCOS01 (2001, July)

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See detailHolographic camera with BSO applied to microgravity fluid experiment aboard ISS
Georges, Marc ULg; Joannes, Luc; Thizy, Cédric ULg et al

in Nolte, D.; Salamo, G.; Siahmakoun, A. (Eds.) et al Photorefractive Effects, Materials, and Devices (2001, July)

We present the preliminary development steps of a holographic interferometer using a BSO crystal for the monitoring of fluids experiments under microgravity conditions. This set-up could be included in ... [more ▼]

We present the preliminary development steps of a holographic interferometer using a BSO crystal for the monitoring of fluids experiments under microgravity conditions. This set-up could be included in the Fluid Science Laboratory (FSL, a module dedicated to fluid physics experiment onboard the International Space Station-ISS). Some preliminary studies have been carried out. An optimized configuration has been found allowing a fast recording (50 milliseconds) and large number of readouts (>1000) for analysis of events over a long period without reducing the measurement resolution. We present examples of Rayleigh-Benard convection quantitative measurement performed with a laboratory instrument prototype. [less ▲]

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See detailEctopic ureters
Hamaide, Annick ULg

in Proceedings du 1st Surgical Forum ECVS (2001, July)

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See detailInteractive Tool Visualising and Optimising Building Envelope Performances during the Architectural Sketch Design
Hauglustaine, Jean-Marie ULg

in Banissi, E.; Khosrowshahi, F.; Sarfaz, M. (Eds.) et al 2001 Information Visualisation IV (2001, July)

The PC software AMCE is proposing building actors (owner, project authors...) a Multiple Criteria Decision Aid (MCDA) procedure to optimise the building envelope about cost and energy performances, during ... [more ▼]

The PC software AMCE is proposing building actors (owner, project authors...) a Multiple Criteria Decision Aid (MCDA) procedure to optimise the building envelope about cost and energy performances, during the sketch design, when most important choices are fixed, those having impact on future building's cost and use. Two main modules are linked, where any actor interactively goes in any time: - the first one manages parameters describing the project requirements; - the graphic pen-based module allows to draw the sketch; it calculates geometric parameter values and puts them back in the first module. Permanently informed on foreseeable performances, the user can any time search for optimal scenario giving best satisfaction (monoactor optimisation) or most preferred compromise (multiactors optimisation): at his disposal, he has at lot of graphs illustrating the performance sensitivity to parameter variations, as well as an optimisation procedure using a genetic algorithm to find the most efficient parameter set. [less ▲]

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See detailRelation between ectopic ureters and USMI
Hamaide, Annick ULg

in Proceedings du 1st Surgical Forum ECVS (2001, July)

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See detailCompact photorefractive holographic camera and its applications in interferometry
Georges, Marc ULg; Scauflaire, Véronique; Lemaire, Philippe ULg

in Nolte, D.; Salamo, G.; Siahmakoun, A. (Eds.) et al Photorefractive Effects, Materials, and Devices (2001, July)

A compact holographic interferometer that uses a photorefractive crystal of the sillenite family as holographic recording medium is presented. It was developed to provide high accuracy displacement ... [more ▼]

A compact holographic interferometer that uses a photorefractive crystal of the sillenite family as holographic recording medium is presented. It was developed to provide high accuracy displacement measurements of scattering objects, together with a high degree of flexibility, portability and versatility in function of the application. We briefly discuss the main technical aspects leading to a compact device. We present a couple of recent applications, among which the coefficient of thermal expansion of composite structures is measured, piezosheets calibration and fingerprint detection. [less ▲]

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See detailMultiple exposure holographic interferometry with sillenite crystals applied to vibration measurement
Georges, Marc ULg; Thizy, Cédric ULg; Lemaire, Philippe ULg et al

in Nolte, D.; Salamo, G.; Siahmakoun, A. (Eds.) et al Photorefractive Effects, Materials, and Devices (2001, July)

A holographic camera is presented, which uses a sillenite crystal as dynamic recording medium. The camera operates in a pulse regime and is used to provide vibration analysis of an object. A 4 pulse real ... [more ▼]

A holographic camera is presented, which uses a sillenite crystal as dynamic recording medium. The camera operates in a pulse regime and is used to provide vibration analysis of an object. A 4 pulse real-time holographic technique was implemented to measure the amplitude and phase of the vibration. The implementation of this technique required bringing under control a Q-switched YAG laser. We present the experimental results for a metallic plate driven by a vibrating loud speaker. [less ▲]

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See detailNon-neoplastic surgical diseases of the vagina and vulva
Hamaide, Annick ULg

in Proceedings du 1st Surgical Forum ECVS (2001, July)

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See detailEvaluation des dispositifs de formation continue en FOAD
Leclercq, Dieudonné ULg

in Actes de l'Université d'Eté (2001, July)

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See detailRepresenting Periodic Temporal Information with Automata
Wolper, Pierre ULg

in Proc. Eighth International Symposium on Temporal Representation and Reasoning (2001, June)

Motivated by issues in temporal databases and in the verification of infinite-state systems, this talk considers the problem of representing periodic dense time information. Doing so requires handling a ... [more ▼]

Motivated by issues in temporal databases and in the verification of infinite-state systems, this talk considers the problem of representing periodic dense time information. Doing so requires handling a theory that combines discrete and continuous variables, since discrete variables are essential for representing periodicity. An automata-based approach for dealing with such a combined theory is thus introduced. [less ▲]

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See detailThe follow-up of financial value creation indicators to prevent bankruptcies in Belgian SMEs : an empirical multivariate approach
Van Caillie, Didier ULg; Arnould, Sophie ULg

in Babson College Conference (Ed.) Acts of the 2001 Babson College Conference (2001, June)

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See detailAeroelastic and Structural Design of an All-Moveable Aircraft Fin
Cooper, J. E.; Bureerat, S.; Sensberg, O. et al

in Hönlinger, Heinz (Ed.) Proceedings of the CEAS Conference on Multidisciplinary Aircraft Design and Optimization (2001, June)

The Lagrange Multi-Disciplinary Design Optimisation (MDO) code is used for the preliminary study into design aspects of a generic all-movable aircraft fin. It is shown how the control effectiveness at ... [more ▼]

The Lagrange Multi-Disciplinary Design Optimisation (MDO) code is used for the preliminary study into design aspects of a generic all-movable aircraft fin. It is shown how the control effectiveness at high speeds can be increased through variation of the attachment position and stiffness, whilst still meeting strength and aeroelastic stability constraints. [less ▲]

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See detailA Framework for Simulation Bases Design of Ship Structures
Rigo, Philippe ULg; Karr, D.; Na, S. S. et al

in Ship Production Symposium’2001, SNAME: Ypsilanti, Michigan ,USA, Paper #9, June 2001 (2001, June)

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See detailLeast Cost Structural Optimization Oriented Preliminary Design
Rigo, Philippe ULg

in Ship Production Symposium’2001, SNAME, Ypsilanti, Michigan, USA, Paper #15, Juin 2001 (2001, June)

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See detailSolvent detection in indoor air with a sensor array
Maternova, J.; Romain, Anne-Claude ULg; Nicolas, Jacques ULg

in Proceedings of the 8th conference Eurodeur (2001, June)

Air composition in dwellings and public buildings is studied by means of gas chromatography and a sensor micro array 01D28 (MICROSENS, Swiss). Only benzene and its alkyl-derivatives are quantified. The ... [more ▼]

Air composition in dwellings and public buildings is studied by means of gas chromatography and a sensor micro array 01D28 (MICROSENS, Swiss). Only benzene and its alkyl-derivatives are quantified. The micro array 01D28 is composed of six metal oxide gas sensors (SnO2 doped by Pd) equipped with standard or inter-digited electrodes. Isothermal working mode (500oC for all sensors) is applied. Conductivities after 10 minutes of signal acquisition in the studied air are considered as characterizing its chemical composition. Discriminant Function Analysis (DFA) and different linear regression techniques (Inverse Least Squares, Principal Components Regression and Partial Least Squares) are applied to find a relation between the sensors signals and the indoor air composition as determined by the gas chromatography. The presented results suggest that the monitoring of aromatics substances in the indoor air by means of a micro-array of metal oxide gas sensors is possible. The array distinguishes polluted and non-polluted air and it can even evaluate the concentration of the benzene and the toluene. [less ▲]

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See detailA time-frequency technique for the stability analysis of impulse responses from nonlinear aeroelastic systems
Dimitriadis, Grigorios ULg; Cooper, J. E.

in Proceedings of the 2001 International Forum on Aeroelasticity and Structural Dynamics (2001, June)

A time-frequency method is proposed for the analysis of response time histories from nonlinear aeroelastic systems. The approach is based on a time-varying curve-fit of the Short Time Fourier Transform of ... [more ▼]

A time-frequency method is proposed for the analysis of response time histories from nonlinear aeroelastic systems. The approach is based on a time-varying curve-fit of the Short Time Fourier Transform of the impulse response. It is shown that the method can be used in order to obtain a clear picture of the sub-critical stability of a number of aeroelastic systems with a variety of structural and aerodynamic nonlinearities. Additionally, frequency and amplitude information can be obtained for both the linear and nonlinear signatures of the response signals in the sub and post-critical regions. Finally, it is shown that, given certain types of nonlinear functions, subcritical damping trends can be extrapolated to predict bifurcation airspeeds. [less ▲]

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See detailComposite structures design for strength and stiffness with respect to ply thickness and/or fibers orientation
Bruyneel, Michaël ULg; Duysinx, Pierre ULg; Fleury, Claude ULg

in CHENG, Gen Dong (Ed.) Proceedings of the 4th World Congress of Structural and Multidisciplinary Optimization WCSMO4 (2001, June)

This paper presents an optimization approach that allows the design of composite structures under stiffness and strength criteria, with fibers orientations and plies thickness taken into account in the ... [more ▼]

This paper presents an optimization approach that allows the design of composite structures under stiffness and strength criteria, with fibers orientations and plies thickness taken into account in the same optimization loop. The approach is based on the sequential convex programming. An industrial application is presented. [less ▲]

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See detailForce Limiting at CSL premises
Grodent, Christophe ULg; Cucchiaro, Antonio ULg; ronchain, philippe

(2001, June)

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See detailEstimating diagonal second order terms in structural approximations with quasi-Cauchy techniques
Duysinx, Pierre ULg; Nguyen, Van Hien; Bruyneel, Michaël ULg et al

in CHENG, Gen Dong (Ed.) Proceedings of the 4th World Congress of Structural and Multidisciplinary Optimization WCSMO4 (2001, June)

This paper reports preliminary results obtained when estimating diagonal second order terms to be used in structural approximations with the quasi-Cauchy updates which was recently proposed by Zhu ... [more ▼]

This paper reports preliminary results obtained when estimating diagonal second order terms to be used in structural approximations with the quasi-Cauchy updates which was recently proposed by Zhu, Nazareth, and Wolkowicz (SIAM J. of Optimization, 9 (4), 1192-1204, 1999). At first, the theory of quasi-Cauchy updates is presented. Main characteristics of the developments that were necessary to use quasi-Cauchy updates in the context of structural optimization are drawn. The available numerical results allow comparing quasi-Cauchy second order term estimations with other estimation procedures. [less ▲]

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See detailCell turnover in BLV-infected sheep
Debacq, Christophe; Peremans, T.; Kerkhofs, Pierre et al

in Aids Research and Human Retroviruses": 10th International Conference on Human Retrovirology: HTLV and Related Viruses, (2001, June)

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See detailNumerical Simulation of Lubricated Contact between Solids in Metal Forming Processes using the Arbitrary Lagrangian Eulerian Formulation
Boman, Romain ULg; Ponthot, Jean-Philippe ULg

in Simulation of Material Processing: Theory, Methods and Application: Proceedings of the 7th International Conference NUMIFORM 2001 (2001, June)

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See detailMigrant workers in the Pearl River Delta : Between Discursive Inclusion and Exclusion
Florence, Eric ULg

in Martiniello, Marco; Withol de Wenden, Catherine; Entzinger, Han (Eds.) Migration Between States and Markets (2001, May 17)

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See detailÉtude par microtomographie aux rayons X du retrait associé au séchage convectif d'une boue
Léonard, Angélique ULg; Blacher, Silvia ULg; Crine, Michel ULg

in Boudrant, J.; Pons, M.-N. (Eds.) Récents progrès en génie des procédés N°78 Vol.15 2001 : visualisation, image, modélisation (2001, May)

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See detailWind turbines turbulence effects on cable structures in their vicinity
Lilien, Jean-Louis ULg; keutgen, Renaud; raimarckers, Nicolas

in Proceedings of the ISCD 2001 (2001, May)

Actual wind turbines size can be as large as 80 meters diameter (1 MW and over). Behind the wind turbines, mean wind speed is sensibly reduced (approximately 50%) and turbulence severely increased. The ... [more ▼]

Actual wind turbines size can be as large as 80 meters diameter (1 MW and over). Behind the wind turbines, mean wind speed is sensibly reduced (approximately 50%) and turbulence severely increased. The spectral density power of disturbed wind can be assumed similar to classical wind but centred on the rotational speed of the motor. Due to classical speed and shape of wind turbine, corresponding key frequency for disturbed wind is close to one Hz. Any structure in the vicinity of wind turbine can be disturbed by the new wind spectrum created by the turbine, thus existing most of the time for wind speed up to 25 m/s. Cable structure, f.e. overhead lines, have clearly 1 Hz in their first modal shapes. This make them very sensible to buffeting due to the disturbed wind induced by the turbine. Due to continuous excitation, most of the year, fatigue may occur near clamping point and extra damping may be required as well as minimum distance from the wind turbine may be recommended. The anchoring tower (whose first eigenfrequency is generally close to 1 Hz for high voltage lines) will also be affected. This paper will present some simulations of overhead lines disturbances induced by wind turbine in their vicinity. The power spectral density of wind behind the turbine will be deduced from classical spectra of Davenport, but with adaptation due to the rotation of the turbine. Effects on cable will be shown and tentative recommendations of damping as well as clearances from the turbine will be suggested. [less ▲]

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See detailTen years of data gathering of radon exhalation in the Belgian "Province of Luxembourg"
Kuske, Martyna; Debbaut, Vincent ULg; Bomboire, A. et al

in Proceedings of the Third eurosymposium on protection against radon (2001, May)

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See detailA critical cysteine residue of bovine leukemia virus SU protein interacts with zinc and plays a role in viral infectivity.
Gatot, Jean-Stéphane; Kerkhofs, Pierre; Burny, Arsène et al

in The 2001 meeting on Retroviruses. (2001, May)

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See detailIncidence des pratiques parentales relatives au langage écrit et oral sur les attitudes et les compétences en lecture chez les enfants de 11 ans : approche longitudinale
Schillings, Patricia ULg

in Actes du XIIe congrès de l'AIFREF, St Sauveur des Monts, Québec, 18-21 avril 2001 (2001, April)

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See detailFace milling and turning simulation with the finite element method
Masset, Luc ULg; Debongnie, Jean-François ULg; Beckers, Pierre ULg

in Habraken, Anne (Ed.) Proceedings of the 4th International ESAFORM Conference on Material Forming (2001, April)

The paper describes a new simulation tool that gives the machined surface error in face milling and turning. The form error component due to the workpiece flexibility is computed using Samcef finite ... [more ▼]

The paper describes a new simulation tool that gives the machined surface error in face milling and turning. The form error component due to the workpiece flexibility is computed using Samcef finite element code. The finite element analyses are very efficient on industrial applications thanks to the superelement method. Results are obtained in a short time which makes possible a wide range of simulations such as finding the best tool trajectory, testing several tools and cutting conditions and choosing the most suited fixture design. [less ▲]

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See detailImpact assessment of breeding European kingfisher (Alcedo atthis) on prey fish
Hallet, Catherine; Libois, Roland ULg

in Cowx, Ian (Ed.) Interaction between fish and birds: implications for management (abstracts) (2001, April)

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See detailModification génétique de la levure pour maîtriser la beta-oxydation: exemple de la production de lactone par Yarrowia lipolytica
Waché, Y.; Aguedo, Mario ULg; Marchal, E. et al

in Les outils biologiques dans les procédés et les techniques d'analyse...: conférences et communications scientifiques (2001, March)

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See detailNon-isotopic determination of bovine growth hormone levels with a sandwich-immunoassay using detection by electrochemiluminescence (ECL).
Rehfeldt, C.; Deaver, D.; Schneider, F. et al

in Proceedings of the 45th Symposium of the German Society for Endocrinology. (2001, March)

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See detailApplications du travail musculaire excentrique en pathologies locomotrices
Croisier, Jean-Louis ULg

in Actes du colloque pluridiscipliinaire « Le travail musculaire excentrique » (2001, March)

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See detailEvolution du conseil de fumure azotée du froment d’hiver
Bodson, Bernard ULg; Herman, Jean-Luc; Vancutsem, Françoise ULg et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailEpreuves de repositionnement angulaire
Croisier, Jean-Louis ULg; Henrotin, Yves ULg; Etienne, L. et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailEvaluation isocinétique des patients gonarthrosiques et coxarthrosiques
Henrotin, Yves ULg; Croisier, Jean-Louis ULg; Etienne, L. et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailIsocinétisme et conflit sous-acromio-coracoïdien
Forthomme, Bénédicte ULg; Croisier, Jean-Louis ULg; Huskin, Jean-Pierre ULg et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailExploration isocinétique de la fibromyalgie
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Renard, Cindy ULg et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailExploration isocinétique du patient BPCO
Croisier, Jean-Louis ULg; Georis, P.; Hac, S. et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailEvolution du conseil de fumure azotée du froment d'hiver
Bodson, Bernard ULg; Herman, Jean-Luc; Vancutsem, Françoise ULg et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailFongicides en froment: 2000, une année très septoriose
Moreau, Jean-Marc; Bodson, Bernard ULg; Meeùs, Patrick et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailFongicides en escourgeon: Aperçu des résultats de la campagne 2000: De la rhynchosporiose aux symptômes "peau de guépard"
Moreau, Jean-Marc; Bodson, Bernard ULg; Meeùs, Patrick et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailL'azote minéral du sol en 2000-2001 sous froment d'hiver
Herman, Jean-Luc; Destain, Jean-Pierre ULg; Goffart, Jean-Pierre et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailÜberblick über die Weiterbildung- und Dchulungsmethoden von Stahlbau.- Verbundbaukonstruktionen sowie EC3, EC4.
Jaspart, Jean-Pierre ULg; Couchman, G.

in Proceedings du Seminaire "Eurocodes im Bauwesen: Status, Lehrprogramme, Hilfsmittel zur Schulung" (2001, January 26)

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See detailDeconvolving Spectra: Near-IR Spectroscopy of the Lens and Source in HE 1104-1805
Courbin, F.; Lidman, C.; Meylan, G. et al

in Brainerd, T. G.; Kochanek, C. S. (Eds.) Gravitational Lensing: Recent Progress and Future Go (2001, January 01)

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See detailSpatial structure analysis of NDVI increase in the north to quantify biotic response to climate change
Bogaert, Jan ULg; Zhou, L; Tucker, C J et al

in American Geophysical Union Spring 2001 (2001)

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See detailImages tridimensionnelles de la rétention dynamique dans un empilage structuré obtenues par tomographie à rayons X
Toye, Dominique ULg; Marchot, Pierre ULg; Crine, Michel ULg et al

in Boudrant; Pons, M.-N.; Vivier, H. (Eds.) Récents Progrès en Génie des Procés - N°78 - Visualisation-Image-Modélisation - Actes du Congrès VIM2001 (Visualisation - Image- Modélisation), 15-17 mai 2001, Nancy, France (2001)

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See detailJapanese Agriculture : problems and policy
Burny, Philippe ULg

in Association Belge d‟Economie Rurale (Ed.) Cinquième Workshop pour Economistes Agricoles : proceedings (2001)

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See detailMétamorphose d'une acromégalie en un adénome hypophysaire non-fonctionnel : Etudes clinique et génétiques
Valdes Socin, Hernan Gonzalo ULg; Stevenaert, Achille ULg; Legros, Jean-Jacques ULg et al

in Annales d'Endocrinologie : XIXe Congrès de la Société Française d'Endocrinologie - Abstract book (2001)

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See detailO Mother Where Art Thou? "Mother" in the Lyrics of African American Religious and Secular Music
Sacré, Robert ULg

in Springer, Robert (Ed.) The Lyrics in African American Popular Music (2001)

Le thème de la mère est récurrent dans tous les styles de musique populaire au sein des communautés africaines-américaines

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See detailWater management of large dams
Mouzelard, Thibaut; Archambeau, Pierre ULg; Erpicum, Sébastien ULg et al

in International Symposium on Environmental Hydraulics (2001)

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See detailQuantification of cardiac IGF-1 expression by the real-time taqman PCR : development and first application in a canine model of congestive heart failure
Motte, S.; Van Beneden, R.; Mottet, J. et al

in 11th ESVIM Meeting - Dublin - Irlande - 2001 (2001)

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See detailSimulation numérique des écoulements hydrologiques : les modèles physiquement basés FAITOU
Pirotton, Michel ULg

in Génération et transfert des crues extrêmes (2001)

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See detailExpression of c-inhibitor of apoptosis protein-2 in the sputum from asthmatic patients
Bureau, Fabrice ULg; Seumois, G.; Jaspar, F. et al

in Proceedings : 11th European Respiratory Society Annual Congress, Eur. Respir. J., 2001, 18 (Suppl. 33) (2001)

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See detailSystèmes d'évaluation innovants et critères de qualité
Leclercq, Dieudonné ULg

in Actes di 23e Congrès de l'AIPU (cd-rom) (2001)

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See detail"La preuve du contrat conclu par voie électronique"
Lecocq, Pascale ULg; Vanbrabant, Bernard ULg

in Le commerce électronique : un nouveau mode de contracter ? (2001)

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See detailCulture of very young Phaseolus vulgaris L. pods and plantlet regeneration.
Geerts, P.; Toussaint, André ULg; Mergeai, Guy ULg et al

in Acta Horticulture 560 : Proceedings of the Fourth International Symposium on In Vitro Cultureand Horticultural Breeding (2001)

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See detailEcohydrodynamics related to the Calvi canyon (Corsica): a numerical study
Skliris, Nikos; Goffart, Anne ULg; Hecq, Jean-Henri ULg et al

in Proceedings of the 36th CIESM Congress (2001)

A 3-D, high resolution model is used to investigate the impact of the Calvi canyon on the ecohydrodynamics in early spring conditions. Numerical runs are performed to simulate the nitrate distribution ... [more ▼]

A 3-D, high resolution model is used to investigate the impact of the Calvi canyon on the ecohydrodynamics in early spring conditions. Numerical runs are performed to simulate the nitrate distribution. Results show that the canyon topography generates high downwelling (upwelling) in the western (eastern) part of the canyon. Downwelling is larger than upwelling within the canyon leading to a net downward nitrate transport there, while upstream and downstream of the canyon there are regions of upwelled water richer in nitrate. Simulations are performed for NE, upwelling favorable, wind conditions where data of nitrate concentration are available for model validation. [less ▲]

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See detailCoupling between Rayleigh-Bénard and rotation for a ferrofluid in a normal strong magnetic field
Hennenberg, M.; Weyssow, B.; Desaive, Thomas ULg et al

in 6th workshop on transport phenomena in two-phase flow, (2001)

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See detailInvestigation of defect levels in Mg-doped GaN Schottky structures by thermal admittance spectroscopy
Nguyen, Ngoc Duy ULg; Germain, Marianne; Schmeits, Marcel et al

in Ponce, Fernando; Bell, Abigail (Eds.) ICNS-4: Proceedings of The Fourth International Conference on Nitride Semiconductors (2001)

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See detail«Une allusion au Siège d’Orange perdu dans Foucon de Candie»
Moreno, Paola ULg

in Luongo, Salvatore (Ed.) L’épopée romane au moyen âge et aux temps modernes. Actes du XIVe Congrès international de la Société Rencesvals. (2001)

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See detailLes attentes des consommateurs, des nouveaux critères de sélection porcine
Leroy, Pascal ULg; Verleyen, Vincent ULg; Beduin, J.-M. et al

in Carrefour des productions animales, Gembloux 2001 (2001)

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See detailMotivation of schoolchildren for physical education. Comparison of high and low achievers
Piéron, Maurice ULg; Delfosse, Catherine; Ledent, Maryse et al

in Chin, K. N.; Jwo, H. (Eds.) AIESEP Taiwan 2001 International Conference Proceedings: The Exchange and Development of Sport Culture in East and West (2001)

There is no doubt that motivaton of schoolchildren is a concern for physical education teachers. Research data shows that usually physical education is pretty well considered by students. An European ... [more ▼]

There is no doubt that motivaton of schoolchildren is a concern for physical education teachers. Research data shows that usually physical education is pretty well considered by students. An European study of youth lifestyle showed that in many countries, 12 and 15 year old students like physical education (Piéron et al., 1996). Percentage over 70% of these youth answered that they liked physical education lessons ... [less ▲]

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See detailMultispectral Imaging in Cathodoluminescence Microscopy
Charlier, Bernard ULg; De Colnet, Laurence; Pirard, Eric ULg

in Proceedings - Annual Meeting - Belgian Soc. Microscopy (2001)

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See detailAbility of three different antisera to recognize pregnancy-associated glycoproteins in heifers during the first fifty days of gestation
Perenyi, Zsolt; Desbuleux, Henri; Sulon, Joseph ULg et al

in Proceedings: 17th Annual Meeting AETE (2001)

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See detailSurveys with the 4-m International Liquid Mirror Telescope Project (ILMT) (poster)
Poels, Joël ULg; Moreau, O.; Manfroid, Jean ULg et al

in Banday, A. J.; Zaroubi, S.; Bartelmann, M. (Eds.) Astronomical Data Analysis Software and Systems X (2001)

The working principle of liquid mirror telescopes (LMTs) is first reviewed along with their advantages and disadvantages over classical telescopes. For several reasons (access to regions near the south ... [more ▼]

The working principle of liquid mirror telescopes (LMTs) is first reviewed along with their advantages and disadvantages over classical telescopes. For several reasons (access to regions near the south galactic pole, galactic center, good image quality, etc.), an excellent site for such an LMT is the Atacama desert. A deep (B~24 mag) LMT survey at latitudes near -22deg -- -29deg will cover ~90 square degrees at high galactic latitude and be especially useful for gravitational lensing studies, for the identification of various classes of interesting extragalactic objects (cf. clusters, supernovae, etc. at high redshift) and for subsequent follow-up observations with 8 m-class telescopes. A short description of the handling of data products is also presented. [less ▲]

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See detailPhysical education teachers’ perception of pupils’ motivation.
Cloes, Marc ULg; Ledent, Maryse; Delfosse, Catherine et al

in Chin, M. K.; Hensley, M. D.; Liu, Y. K. (Eds.) Innovation and application of physical education and sports science in the new millennium - An Asia-Pacific Perspective (2001)

Motivational aspects play a particularly important role in teaching. They are considered a powerful mediator between teacher action and teaching effects. Pupils’ motivation towards school and physical ... [more ▼]

Motivational aspects play a particularly important role in teaching. They are considered a powerful mediator between teacher action and teaching effects. Pupils’ motivation towards school and physical education has already been analysed from the pupils’ point of view (Piéron, Ledent, Almond, Airstone and Newsburry, 1996). On another side, its perception by teachers is less documented. This study focused on the identification by PE teachers of pupils’ behaviours indicating that they were motivated or not. Moreover, perception of reasons related to lack of motivation in pupils was also investigated. Twenty-nine teachers fulfilled a questionnaire during an inservice preparation seminar. Their answers were analysed and inductively classified in categories. Thirteen categories of criteria showing the presence or lack of motivation were identified. Motivation was predominantly perceived by (1) the quality of the working climate (16.8%); (2) the intend to be involved in the PE lesson (14%); (3) positive reactions towards the subject matter (11.2%) and an efficient time management (11.2%). The most important categories related to lack of motivation were: (1) absences or excuses (20.2%); (2) low time on task (14%) and (3) negative reactions towards the subject matter (14%). Concerning origins of the lack of motivation, teachers emphasised: (1) the large differences between pupils (13.7%); the lack of sport culture of youth (10.5%) and (3) the negative pupils’ attitude towards school. [less ▲]

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See detailEHBT: An efficient protocol for group key management
Rafaeli, S.; Mathy, Laurent ULg; Hutchison, D.

in LNCS 2233 (2001)

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See detailBlack Grouse conservation: a case study in Belgium
RUWET, Jean-Claude; CHARLET, Olivier; Houbart, Servais et al

in Tack, J.; Branquart, Etienne (Eds.) D23 Report on 'Scientific tools in support to the management and restoration of European Habitats' - Proceedings of the meeting (2001)

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See detailDual Perturb and Combine Algorithm
Geurts, Pierre ULg

in Proceedings of AISTATS 2001, Eighth International Workshop on Artificial Intelligence and Statistics (2001)

In this paper, a dual perturb and combine algorithm is proposed which consists in producing the perturbed predictions at the prediction stage using only one model. To this end, the attribute vector of a ... [more ▼]

In this paper, a dual perturb and combine algorithm is proposed which consists in producing the perturbed predictions at the prediction stage using only one model. To this end, the attribute vector of a test case is perturbed several times by an additive random noise, the model is applied to each of these perturbed vectors and the resulting predictions are aggregated. An analytical version of this algorithm is described in the context of decision tree induction. From experiments on several datasets, it appears that this simple algorithm yields significant improvements on several problems, sometimes comparable to those obtained with bagging. When combined with decision tree bagging, this algorithm also improves accuracy in many problems. [less ▲]

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See detailNumerical and experimental evaluation of lateral torsional buckling of beams at elevated temperatures
Piloto, Paulo; Vila Real, Paulo; Franssen, Jean-Marc ULg

in Proc. Computational Meth. and Experimental Measurements (2001)

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See detailPeculiar characteristics of familial GH-secreting pituitary adenomas
Jaffrain-Réa, M. L.; Ferretti, E.; Durante, C. et al

in 5th European Congress of Endocrinology - Abstract book (2001)

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See detailMicro-mechanical analysis of steel sheet behaviour during deep-drawing
Duchene, Laurent ULg; Godinas, A.; Habraken, Anne ULg et al

in Proceedings of the First Asian-Pacific Congress on Computational Mechanics: APCOM 2001 (2001)

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See detailInfluence of some heat treatments parameters on the microstructure of high alloyed steels
Lecomte-Beckers, Jacqueline ULg; Tchuindjang, Jérôme Tchoufack ULg

in Proceedings of the MSMF-3 International Conference (2001)

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See detailEffusive-constructive pericarditis secondary to recurrent idiopathic pericardial effusion in a german shepherd dog
Motte; Hamaide, A.; Heimann, M. et al

in 11th ESVIM Meeting - Dublin - Irlande - 2001 (2001)

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See detailApplication du cycle gestion qualité SMART des tests pédagogiques au cours d'obstétrique et pathologie de la reproduction des ruminants, équidés et porcs
Castaigne, Jean-Loup ULg; Gilles, Jean-Luc ULg; Hanzen, Christian ULg

in Actes du 18e congrès de l'AIPU : Les stratégies de réussite dans l'enseignement supérieur (2001)

Suite aux résultats de l’évaluation de l’enseignement réalisée auprès des étudiants de 2ième doctorat durant l’année académique 1999-2000, nous avons décidé de mettre en place de nouvelles stratégies de ... [more ▼]

Suite aux résultats de l’évaluation de l’enseignement réalisée auprès des étudiants de 2ième doctorat durant l’année académique 1999-2000, nous avons décidé de mettre en place de nouvelles stratégies de formation et d’évaluation. La méthode des LQRT4-SAFE5 (Leclercq et al., 1993 et 1998) a été choisie pour dispenser 5 cours portant sur des matières dont la compréhension est capitale pour la réussite de l’examen du professeur Hanzen. Chaque test a été réalisé selon les principes définis par le Système Méthodologique d’Aide à la Réalisation de Tests (S.M.A.R.T.) dans leur cycle de gestion qualité des évaluations standardisées. Chaque test est découpé en 8 étapes clefs telles que définies par Gilles et Leclercq (1995). Des boucles de régulation courtes et longues assurent un maintien de la qualité par rapport aux objectifs d’évaluation définis par l’enseignant. [less ▲]

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See detailEchocardiographie Doppler chez l’âne
Amory, Hélène ULg; Delvaux, Véronique ULg; Boquet, B et al

in Proceedings of the Annual meeting of the French Equine Veterinary Association (AVEF) (2001)

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See detailMemory for temporal context: Effects of aging and encoding conditions
Bastin, Christine ULg; Van der Linden, Martial ULg; Hogge, Michael

in Proceedings of the XII Conference of the European Society for Cognitive Psychology and XVIII Annual Conference of the British Psychological Society (2001)

Whether the memory for temporal context information is mediated by automatic or controlled processes is a matter of debate. If the coding of temporal context information is automatic, memory for temporal ... [more ▼]

Whether the memory for temporal context information is mediated by automatic or controlled processes is a matter of debate. If the coding of temporal context information is automatic, memory for temporal context should not be affected by intention to learn and aging. In order to address this issue, we administered a list discrimination task to young and older adults in either an incidental or an intentional encoding condition. The results showed that the list discrimination performance of the older adults was inferior to the performance of the young subjects. In addition, both young and older subjects’ discrimination performance did not improve in the intentional encoding condition. These results support the hypotheses that the temporal context of an item is encoded automatically. [less ▲]

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See detailModelling nitrogen fluxes in a semi-enclosed environment (the Black Sea): transport versus biogeochemical processes and quantification of the exchanges at the shelf break
Grégoire, Marilaure ULg; Beckers, Jean-Marie ULg; Kostianoy, A. et al

in Commission internationale pour l'exportation Scientifique de la Mer Méditerranée Vol. 36 (2001)

A three-dimensional coupled biogeochemical-hydrodynamical model has been developed to get a better understanding of the biogeochemical functioning of the Black Sea. The in?uence on the ecodynamics of ... [more ▼]

A three-dimensional coupled biogeochemical-hydrodynamical model has been developed to get a better understanding of the biogeochemical functioning of the Black Sea. The in?uence on the ecodynamics of hydrodynamical and biogeochemical processes is quantified. Nitrogen inputs from the rivers, from the sediments and from the deep sea are estimated and compared in terms of potential fertilization. The exchanges between the north-western shelf and the deep sea are quantified. The results illustrate a highly complex spatial variability of the phytoplankton annual cycle and thus, stress the importance of using a 3D model to capture the essential physical-biological interactions that explain the data. [less ▲]

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See detailAssociative recognition and item recognition in amnesia
Bastin, Christine ULg; Van der Linden, Martial ULg; Pirenne, David et al

in Proceedings of the Third International Conference on Memory (2001)

It has been hypothesised that the hippocampal regions are involved specifically in the encoding of associations between different kinds of information and in the recollection process of recognition memory ... [more ▼]

It has been hypothesised that the hippocampal regions are involved specifically in the encoding of associations between different kinds of information and in the recollection process of recognition memory. We examined the performance of two severely amnesic patients (AC and MR) with different kinds of lesions on three associative (one intra-modal and two inter-modal) recognition tasks and two item recognition tasks. AC was impaired on all the tasks, whereas MR was impaired on the associative tasks but had a preserved familiarity-based recognition. Combined with the etiology and the loci of the patients’ lesions, these results support partly the hypothesis. [less ▲]

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See detailEquine Third Metacarpal Bone Assessment by Quantitative Ultrasound and Dual-Energy-X-Ray absorptiometry
Carstanjen, B; Duboeuf, F; Amory, Hélène ULg et al

in Proceedings of the 11th annual scientific meeting of the ECVS (2001)

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See detailCorrection of Systematic Errors in Differential Photometry
Manfroid, Jean ULg; Royer, P.; Rauw, Grégor ULg et al

in Astronomical Data Analysis Software and Systems X (2001)

A common cause of errors in CCD differential photometry is an improper calibration of the array. The importance of these errors is evaluated for different cameras with fields between 3 and 30 arcminutes ... [more ▼]

A common cause of errors in CCD differential photometry is an improper calibration of the array. The importance of these errors is evaluated for different cameras with fields between 3 and 30 arcminutes. The usual superflat illumination corrections based on night sky exposures are often found to be unsatisfactory. ``Photometric superflats'' based on stellar measurements are more reliable and should be used instead. [less ▲]

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See detail Temporal pattern of cardiac endothelin system expression during progression of tachycardia induced congestive heart failure
Mc Entee, Kathleen ULg; Van Beneden, R.; Mottet, J. et al

in 11th ESVIM Meeting - Dublin - Irlande - 2001 (2001)

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See detailImagerie par tomographie électrique résistive de la distribution des phases dans une colonne à bulles
Fransolet, Emmanuelle; Crine, Michel ULg; L'Homme, Guy ULg et al

in Boudrant, J.; Pons, M.-N.; Vivier, H. (Eds.) Récents Progrès en Génie des procédés - N°78 - Visualisation-Image-Modélisation - Actes du Congrès VIM2001 (Visualisation - Image- Modélisation), 15-17 mai 2001, Nancy, France (2001)

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See detailIn vitro survival of vitrified goat embryos: comparison of two vitrification methods
Guignot, F.; Baril, G.; Pougnard, J. L. et al

in Proceedings: 17e Réunion A.E.T.E. (2001)

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See detailAn architecture for an anonymity network
Rennhard, M.; Rafaeli, S.; Mathy, Laurent ULg et al

in Enabling Technologies: Infrastructure for Collaborative Enterprises, 2001. WET ICE 2001. Proceedings. Tenth IEEE International Workshops on (2001)

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See detailSpecies richness: importance for sustainability of grassland ecosystems and impact of heat extremes.
Van Peer, L; Nijs, I; Bogaert, Jan ULg

in Global change open science conference – Challenges of a changing Earth. (2001)

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See detailL'acte équipollent à rupture
Kefer, Fabienne ULg

in Rendez-vous sociaux de l'UCM (2001)

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See detailLas percepciones al final de la sesión de educación física
Piéron, Maurice ULg; Delfosse, Catherine; Ledent, Maryse et al

in Torralbo Lanza, R.; Mazón Cobo, V.; Sarabia Lavín, D. (Eds.) et al La enseñanza de la educación física y el deporte escolar. (2001)

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See detailDetermination of the mass of nearby stars from astrometric microlensing observations
Dib, S.; Claeskens, Jean-François ULg; Surdej, Jean ULg

in Surdej, Jean; Swings, J.-P.; Caro, D. (Eds.) et al Proceedings of the LIAC “From optical to millimetric interferometry, scientific and technological challenges” (2001)

The possibility of determining, with a precision of 10%, the mass of bright, nearby stars by means of astrometric microlensing observations is investigated in the context of the future ground-based and ... [more ▼]

The possibility of determining, with a precision of 10%, the mass of bright, nearby stars by means of astrometric microlensing observations is investigated in the context of the future ground-based and spaceborne high precision astrometric instruments, such as the VLT interferometer, GAIA and SIM. [less ▲]

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See detailSouffles cardiaques les plus fréquemment rencontrés chez le cheval: critères de diagnostic et de pronostic
Amory, Hélène ULg; Van Loon, G; Deprez, P

in In Proceedings of the Annual meeting of the French Equine Veterinary Association (AVEF) (2001)

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See detailAn architecture for pseudonymous e-commerce
Rafaeli, S.; Rennhard, M.; Mathy, Laurent ULg et al

in Proceedings of AISB 2001 (2001)

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See detailAssessment of the present state of the Aral Sea
Mikhailov, V.N.; Kravtsova, V.I.; Gurov, F.N. et al

in Seria 5, Geografia 6 (2001)