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See detailOnline Flight Flutter Testing
Dimitriadis, Grigorios ULg; Cooper, Jonathan E

in Link, M. (Ed.) Proceedings of the International Conference on Structural System Identification (2001, September)

A number of different identification methods are considered as candidate approaches to undertake online flight flutter testing. Rather than flying the test aircraft to a new flight condition and then ... [more ▼]

A number of different identification methods are considered as candidate approaches to undertake online flight flutter testing. Rather than flying the test aircraft to a new flight condition and then performing a data analysis at a constant flight condition, it is shown how it is feasible to track changes in frequencies and damping ratios as the flight speed is increased. It is also possible to provide an updated estimate of the predicted flutter speed, giving the flight engineers added confidence in the margin of safety. Both frequency and time domain methods are evaluated on a simulated 3 DOF aeroelastic system. These preliminary results show that such an approach is feasible although further work is required to determine the best testing and analysis approach. [less ▲]

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See detailIntegration of fuzzy linear optimization and scenario analysis in network flow problems: disaster response perspective
Barbarosoglu, Gulay; Arda, Yasemin ULg

in IEPM 01, International Conference in Industrial Engineering and Production Management, Québec, Canada, 20-23 August 2001 (2001, August 20)

In this paper, we address the problem of transporting vital commodities and emergency personnel during the response stage of a disaster relief operation by integrating fuzzy linear optimization and the ... [more ▼]

In this paper, we address the problem of transporting vital commodities and emergency personnel during the response stage of a disaster relief operation by integrating fuzzy linear optimization and the principles of scenario analysis. We treat this transportation system as a probabilistic multi-commodity multi-modal network flow problem and first develop a fuzzy model that allows the satisfaction of demand requirements through different supply nodes over a fuzzy network. Since the available information in case of disasters is generally vague and imprecise about the values of model parameters, fuzzy linear optimization is employed to deal with this uncertainty and to generate different scenarios depending upon the preferences of the decision maker. Then these scenarios are handled within the framework of the scenario analysis by defining a scenario as a joint realization of the uncertain parameters. Here, scenario analysis method can be considered as a search for a robust solution that guarantees the maximum satisfaction of demands with the minimum transportation cost. [less ▲]

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See detailWeighing nearby stars with GAIA ?
Dib, S.; Surdej, Jean ULg; Claeskens, Jean-François ULg

in Conference proceedings of "European meeting, Census of the Galaxy: Challenges for photometry and spectrometry with GAIA. (2001, August 01)

Microlensing consists in two major effects: (1) variation in the apparent position of the background sources (astrometric component) and (2) flux variations of the background sources (photometric ... [more ▼]

Microlensing consists in two major effects: (1) variation in the apparent position of the background sources (astrometric component) and (2) flux variations of the background sources (photometric component). While the latter has been extensively used in the search for dark objects in the Galactic disk and halo (projects like MACHO (Alcock et al, 1997), EROS (Derue et al, 1999), OGLE (Paczynski et al, 1994)), the first effect has not yet been part of a systematic observational program, simply because the observations of very slight displacements in the positions of background sources requires an astrometric accuracy which current telecopes do not yet provide. We investigate here whether the astrometric accuracy of GAIA could enable such measurements and, as a consequence, enable new, direct and original measurements of the mass of nearby stars. [less ▲]

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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 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 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 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 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 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 detailDetailed Line-Profile Modeling of B Stars with Chemical Inhomogeneities
Briquet, Maryline ULg; Scuflaire, Richard ULg; Aerts, C. et al

in Radial and Nonradial Pulsations as Probes of Stellar Physics (2001, July)

We report monoperiodic variablitity for the four B-type stars HD 131120, HD 105382, HD 138769 and HD 55522, which we explain by rotational modulation rather than by pulsation. Consequently these variables ... [more ▼]

We report monoperiodic variablitity for the four B-type stars HD 131120, HD 105382, HD 138769 and HD 55522, which we explain by rotational modulation rather than by pulsation. Consequently these variables are removed from the list of candidate slowly pulsating B stars. [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 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 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 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 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 detailForce Limiting at CSL premises
Grodent, Christophe ULg; Cucchiaro, Antonio ULg; ronchain, philippe

(2001, June)

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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 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 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 ULg; Kerkhofs, Pierre; Burny, Arsène et al

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

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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 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 detailLe syndic et le conseil de gérance : leur rôle et leurs pouvoirs
Lecocq, Pascale ULg

in Verheyden-Jeanmart, Nicole (Ed.) La copropriété forcée des immeubles et groupes d'immeubles bâtis, cinq ans d'application de la loi du 30 juin 1994 (2001, March 16)

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See detailIntérêt de l'électromyographie de la musculature paravertébrale lombaire
TOMASELLA, Marco ULg

in Abstract book 6° Symposium International de Kinésithérapie. Le patient lombalgique. (2001, March 10)

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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 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 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 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 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 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 detailThe isolation and characterization of equine Osteocalcin
Carstanjen, B; Wattiez, R; Amory, Hélène ULg et al

in Proceedings of the 1st meeting of the International Bone and Mineral Society (IBMS) (2001)

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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 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 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 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 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 detailWhat Happens to the Gas in Globular Clusters?
Thoul, Anne ULg; Jehin, Emmanuel ULg; Magain, Pierre ULg et al

in Deiters, S.; Fuchs, B.; Spurzem, A. (Eds.) et al Dynamics of Star Clusters and the Milky Way (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 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 detailCarcinome parathyroïdien : Contrôle de l'hypercalcémie par immunothérapie
Betea, Daniela ULg; Bradwel, A.; Valdes Socin, Hernan Gonzalo ULg et al

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

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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 detailMultiradial Imaging in Optical Ore Microscopy
Pirard, Eric ULg; De Colnet, Laurence

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

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See detailEvaluation of tactile sensors in apple firmness measurement
Petit, Catherine; Leemans, Vincent ULg; Kleynen, Olivier et al

in Proceedings of the Conference 'Physical Methods in Agriculture, Appoach to precision and quality' (2001)

The objective of the work consists to develop a non-destructive fruit firmness measurement. The tactile sensor technology was chosen. The force measurement acting between the fruit-sensor as well as the ... [more ▼]

The objective of the work consists to develop a non-destructive fruit firmness measurement. The tactile sensor technology was chosen. The force measurement acting between the fruit-sensor as well as the contact area are coupled with other meaqsurements, like the color of the fruit. The results of the measurements are compared with the firmness reference values (Magness-Taylor test) and also with the acoustic impulse response technique. Several parameters correlated with firmness are proposed. [less ▲]

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See detailIpNose : Electronic nose for remote bad odour monitoring system in landfill sites.
Perera, A.; Pardo, T.; Sundi, T. et al

in Proceedings of the 8th conference Eurodeur (2001)

Electronic noses are intelligent instruments that are able to classify and quantify different gas/odours. Here we suggest the integration of a small form factor computer inside the electronic nose. This ... [more ▼]

Electronic noses are intelligent instruments that are able to classify and quantify different gas/odours. Here we suggest the integration of a small form factor computer inside the electronic nose. This concept allows us to easily provide remote connectivity, large data storage and complex signal processing. The evolution of this technology will permit distributed sensing with applications to agriculture and environment. Proposed instrument allows incoming connections for remote control of bad odours in landfill sites. Preliminary approach to this application using commercial sensors and mixture model pattern recognition scheme is exposed. [less ▲]

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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 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 detailImplementation of a texture based interpolated yield locus in a FEM code
Duchene, Laurent ULg; Habraken, Anne ULg; Godinas, A.

in Balkema (Ed.) Proceedings of NUMIFORM 2001 (Simulation of Materials Processing: Theory, Methods and Applications) (2001)

This paper presents a constitutive law based on Taylor's model implemented in our non linear finite element code LAGAMINE. The yield locus is only described and a particular interpolation method has been ... [more ▼]

This paper presents a constitutive law based on Taylor's model implemented in our non linear finite element code LAGAMINE. The yield locus is only described and a particular interpolation method has been developed. This local yield locus model uses a discrete representation of the material's texture. The interpolation method is presented and a deep-drawing application is simulated in order to show up the influence of the texture evolution during forming processes. [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 detailModelling of the micro-mechanical behaviour of steel sheets during deep-drawing
Duchene, Laurent ULg; Godinas, A.; Habraken, Anne ULg et al

in Duflou, J. R.; Geiger, M.; Kals, H. J. J. (Eds.) et al Proceedings of the 9th International Conference on Sheet Metal (2001)

This abstract presents a constitutive law based on Taylor's model implemented in our non-linear finite element code LAGAMINE. The yield locus is only locally described and a particular interpolation ... [more ▼]

This abstract presents a constitutive law based on Taylor's model implemented in our non-linear finite element code LAGAMINE. The yield locus is only locally described and a particular interpolation method has been developed. This local yield locus model uses a discrete representation of the material's texture. The interpolation method is presented and a deep-drawing application is simulated in order to show up the influence of the texture evolution during forming processes. [less ▲]

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See detailLes interventions d'individualisation des enseignants en éducation physique et leur perception par les élèves
Cloes, Marc ULg; Pirottin, Véronique; Ledent, Maryse et al

in IUFM De Nice (Ed.) Recherche sur l'intervention en EPS et en sport. Actes du colloque (2001)

L'épanouissement individuel de chaque élève constitue une des priorités de la mission éducative de l'école. Les programmes scolaires et les directives pédagogiques propres aux différentes disciplines ... [more ▼]

L'épanouissement individuel de chaque élève constitue une des priorités de la mission éducative de l'école. Les programmes scolaires et les directives pédagogiques propres aux différentes disciplines placent ainsi l'accent sur la prise en compte des caractéristiques personnelles de tous les apprenants. Les autorités en charge de l'Education ont ainsi suivi les recommandations de nombreux chrecheurs en pédagogie. ... [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 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 detailFinite element modelling of thermo-mechanical behaviour of a steel strand in continuous casting
Pascon, Frédéric ULg; Habraken, Anne ULg; Bourdouxhe, Michel et al

in Proceedings of the 7th European Conference on Advanced Materials and processes (Euromat 2001) (2001)

An elastic-viscous-plastic constitutive law (Norton-Hoff type) is coupled to a contact law in a finite element code in order to model the behaviour of a steel strand in the mould of a continuous casting ... [more ▼]

An elastic-viscous-plastic constitutive law (Norton-Hoff type) is coupled to a contact law in a finite element code in order to model the behaviour of a steel strand in the mould of a continuous casting machine. Both thermal and mechanical type fields are computed. The objective is to compare for different industrial process conditions the thickness of the solidified shell as well as the stress and strain levels in this layer. More particularly, the model should lead to optimise the taper of the mould for different cross sections of steel strand. [less ▲]

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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 detailRésultats de la chirurgie trans-sphénoïdale chez les acromégales traités par analogues de la somatostatine avant chirurgie
Stevenaert, Achille ULg; Valdes Socin, Hernan Gonzalo ULg; Flandroy, P. et al

in Annales d'Endocrinologie : XIXe Congrès de la Société Française d'Endocrinologie - Abstract book (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 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 detailCoaches’ thinking process: Analysis of decisions related to tactics during sports games
Cloes, Marc ULg; Bavier, Krystel; Piéron, Maurice

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

A three-step model of coaches’ tactical thinking process is proposed: pre-interactive, interactive and post-interactive decisions. This study focuses on the interactive decisions. Its first objective was ... [more ▼]

A three-step model of coaches’ tactical thinking process is proposed: pre-interactive, interactive and post-interactive decisions. This study focuses on the interactive decisions. Its first objective was to verify if a coach is able to report these decisions at the end of a game. The second objective was to analyse the goals and factors inducing the decisions. Data were collected during and after four games directed by two coaches, one in basketball, and the other in volleyball. Their teams participated in the second division of the Belgian national championship (1998-1999). The research method was similar to that developed by Gilbert, Trudel, and Haughian (1999). Coaches reported a limited number (1 to 9) of tactical decisions immediately after each game. Decisions reported by the coaches and additional decisions selected by researchers from videotapes of the games were used for stimulated recall interviews. A total of 82 decisions were analysed with the basketball coach and 88 with the volleyball coach. Data analysis was considered separately for each coach. Calling time out, player substitutions, and tactical cues were the most frequently analysed decisions. Adapting the team strategy and providing information or directives were the priority goals of the decisions. Most of the decisions were determined by subjective field information. [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 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 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 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 detailL'acte équipollent à rupture
Kefer, Fabienne ULg

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

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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 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 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 detailThe 4-m International Liquid Mirror Telescope Project (ILMT) (poster)
Poels, Joël ULg; Borra, E.; Claeskens, Jean-François ULg et al

in Harnden, F. R.; Primini, F. A.; Payne, H. E. (Eds.) Astronomical Data Analysis Software & Systems X Conference (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 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 detailProjet Solidarité : accompagnement d'équipes éducatives dans la réalisation de leur projet d'établissement
Mouvet, Bernadette ULg; Lenoir, Anne-Sophie; Munten, Jacqueline et al

in Herphelin, Martine (Ed.) Le point sur la recherche en éducation en Communauté française : actes du 1er congrès des chercheurs en éducation, Bruxelles, 24-25 mai 2000 (2001)

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See detailMourir au couvent chez les annonciades célestes de Liège, 17e-18e s.
Henneau, Marie-Elisabeth ULg

in Dumoulin, Olivier; Thélamon, Françoise (Eds.) Autour des Morts. Mémoire et Identité (2001)

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See detailTriticale silage: a source of conserved forage compared to maize silage
Dufrasne, Isabelle ULg; Cabaraux, Jean-François ULg; de Behr, V. et al

in Book of absracts of the 52nd Annual Meeting of the European Association for Animal Production (2001)

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See detailSouffles cardiaques: exercices pratiques
Amory, Hélène ULg

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

Detailed reference viewed: 5 (1 ULg)