References of "Scientific congresses and symposiums"
     in
Bookmark and Share    
Full Text
See detailIntroduction aux paysages ordinaires.
Schmitz, Serge ULg

in Territoires, urbanisation et paysages (2005)

Detailed reference viewed: 32 (10 ULg)
Full Text
Peer Reviewed
See detailIdentification of elastic orthotropic material parameters by inverse modeling using ESPI
Lecompte, D.; Sol, H.; Vantomme, J. et al

in Proceedings of the 2005 SEM Annual Conference & Exposition on Experimental and Applied Mechanics (2005)

Parameter identification methods, which integrate optimization techniques and numerical methods such as the finite element method (FEM), offer an alternative tool for material characterisation. The most ... [more ▼]

Parameter identification methods, which integrate optimization techniques and numerical methods such as the finite element method (FEM), offer an alternative tool for material characterisation. The most common approach is to determine the optimal estimates of the model parameters by minimizing a selected measure-of-fit between the responses of the system and the model. The possibility is studied of retrieving the four independent elastic engineering constants for an orthotropic medium, based on the measurement of a heterogeneous displacement field. In the present case a tensile test is performed on a perforated specimen. The responses of the system, i.e. the surface displacements are measured with an Electronic Speckle Pattern Interferometer. Strains are subsequently calculated, based on the measured displacement field. A finite element model of the perforated specimen is made. The difference between the experimental and numerical strains is minimized in a least squares sense by updating the values of the parameters. The obtained material (or model) parameters are very well in agreement with the traditionally determined ones. [less ▲]

Detailed reference viewed: 60 (3 ULg)
Full Text
See detailAn application pf the mechanics of unsaturated soils to the compaction of oil reservoir rocks due to waterflooding
De Gennaro, Vincenzo; Delage, Pierre; Priol, Grégoire et al

Conference (2005)

Detailed reference viewed: 25 (0 ULg)
Full Text
Peer Reviewed
See detailOptimisation of hydroelectric power stations operations with WOLF package
Erpicum, Sébastien ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in Repp, K.; Westeren, T.; Sandlund, O. T. (Eds.) et al Proceedings of the 5th International Conference on Hydropower - The backbone of sustainable energy supply (2005)

For years, original free-surface flow solvers have been developed and continuously improved by the Laboratory of Applied Hydrodynamics and Hydraulic Constructions (HACH) at the University of Liège. The ... [more ▼]

For years, original free-surface flow solvers have been developed and continuously improved by the Laboratory of Applied Hydrodynamics and Hydraulic Constructions (HACH) at the University of Liège. The resulting fully integrated WOLF computation package allows engineers to accurately study a very wide range of various free surface flows, from hydrological runoff (WOLF HYDRO) and river propagation (WOLF 1D) to extreme erosive flows on realistic mobile topography (WOLF 2D), such as gradual dam breaching processes. All the finite volume models, process oriented, use efficient and original numerical methods to solve free surface flows equations. Each code handles general multiblock meshes, dealing with natural topography, dry and wet cells and mobile bed simultaneously, for any unsteady situation with mixed regimes and moving hydraulic jumps. The interactive and unique user-interface, with high performance pre- and post-processing, allows monitoring 3-D large-scale runs graphically while they proceed, as well as generating 3D videos. In addition, powerful optimisation capabilities based on the Genetic Algorithms technique (WOLF AG) are implemented within WOLF, interconnecting all the package components. An efficient tool is thus available to calibrate physical parameters in any of the models and to manage any problem of optimisation with the different solvers. In this paper, the numerical optimisation process of the system of hydroelectric power stations installed on a 60 km long section of the rivers Amblève and Warche in Belgium is presented in detail. The river network is modelled in quasi-2D using real natural topographic data on almost 1,100 finite volumes. In a first step, the hydrological balance is closed using the solver WOLF HYDRO. Roughness coefficients are calibrated from water level and discharge field measurements. Secondly, the hydroelectric production is maximised by an automatic calibration of the parameters of the hydrograph released in the network at the upstream dam. This approach leads to a substantial gain in hydroelectric production, brings significant financial benefits and deals with all management and security criteria of the river network. [less ▲]

Detailed reference viewed: 84 (2 ULg)
Peer Reviewed
See detailLogiques de champs et habitus journalistique. L’activation de l’État-providence en Belgique
Geuens, Geoffrey ULg

in Durand, Pascal; Dubois, Jacques; Winkin, Yves (Eds.) Le Symbolique et le Social. La Réception internationale de la pensée de Pierre Bourdieu - Actes du colloque international Le Symbolique et le Social. La Réception internationale de la pensée de Pierre Bourdieu (Centre culturel international de Cerisy-la-Salle, 12-19 juillet 2001) (2005)

Detailed reference viewed: 59 (13 ULg)
Peer Reviewed
See detailNon destructive in-depth profile analysis of ancient patina. A necessary step for understanding their history.
Mathis, François ULg; Aucouturier, Marc; Descamps, Sophie et al

Poster (2005)

Detailed reference viewed: 8 (0 ULg)
Full Text
Peer Reviewed
See detailInterleukin-6 mediates subchondral osteoblasts-induced cartilage degradation
Henrotin, Yves ULg; Kaut, Elisabeth; Deberg, Michelle ULg et al

Poster (2005)

Detailed reference viewed: 6 (0 ULg)
Full Text
Peer Reviewed
See detailRetards de Sartre
Denis, Benoît ULg

in Etudes Sartriennes (2005), (10), 189-209

Detailed reference viewed: 25 (1 ULg)
Peer Reviewed
See detailCanonical framework for describing suboptimum methods for radar STAP
De Grève, Sébastien; Lapierre, Fabian D.; Verly, Jacques ULg

Conference (2005)

Detailed reference viewed: 4 (0 ULg)
Peer Reviewed
See detailRange-dependence compensation in bistatic radar STAP
Lapierre, Fabian D.; Verly, Jacques ULg

Conference (2005)

Detailed reference viewed: 1 (0 ULg)
Full Text
Peer Reviewed
See detailAccounting for coherence in wind forces in finite element models
Denoël, Vincent ULg

in Proceedings of the Eurodyn 2005 Conference (2005)

The behaviour of civil engineering structures subjected to wind forces is generally approached by means of finite element models. These numerical models are necessary since the shape of the structure as ... [more ▼]

The behaviour of civil engineering structures subjected to wind forces is generally approached by means of finite element models. These numerical models are necessary since the shape of the structure as well as the representation of the applied forces are difficult to handle in closed forms. In stochastic dynamic analyses, the coherence of the applied forces – in this context coming from the wind flow – is represented by the off-diagonal terms in the power spectral density matrix. This matrix is obtained by assembling elementary matrices, each of them corresponding to a stochastically loaded finite element. Even though the unique rigorous approach is not so complicated, simplified formulations are generally used to set up these elementary matrices. These simplifications result in a bad estimation of the high frequency content of the applied forces. Comparing these approached power spectral density’s to the actual ones enables to determine numerical admittance functions which allow correcting the bad estimation of the forces. This paper presents several finite element formulations for the estimation of the applied forces and derives the corresponding expressions of the numerical admittance functions. [less ▲]

Detailed reference viewed: 49 (4 ULg)
Full Text
Peer Reviewed
See detailThe Middle-Devonian proto-ovule Runcaria heinzelinii Stockmans 1968
Gerrienne, Philippe ULg; Meyer-Berthaud, B.; Fairon-Demaret, Muriel ULg et al

Conference (2005)

Detailed reference viewed: 31 (0 ULg)
See detailLinking biochemical and biophysical variables derived from imaging spectrometers to ecological models: the HYECO’04 group shoot.
Kooistra, L; Clevers, J; Schaepman, M et al

in Linking biochemical and biophysical variables derived from imaging spectrometers to ecological models: the HYECO’04 group shoot. (2005)

Detailed reference viewed: 10 (1 ULg)
Full Text
Peer Reviewed
See detailAnalysis of the vegetation trends using low resolution remote sensing data in the Sahel (1982-1999) for the monitoring of desertification
Hountondji, Yvon ULg; Sokpon, Nestor; Ozer, Pierre ULg

in Röder, Achim; Hill, Joachim (Eds.) Abstract Book - Remote Sensing and Geoinformation Processing in the Assessment and Monitorinf of Land Degradation and Desertification (2005)

Detailed reference viewed: 18 (2 ULg)
Full Text
Peer Reviewed
See detailDSM from SPOT5-HRS images: extraction and validation
Cornet, Yves ULg; Grevesse, J.; Binard, Marc ULg et al

in Jacobsen, K.; Goossens, Rudi; Winkler, P. (Eds.) Proceding of the EARSeL Workshop 3D-Remote Sensing: Porto, June 10 - 11, 2005 (2005)

Detailed reference viewed: 95 (32 ULg)
Full Text
See detailLa mise en oeuvre de réseaux écologiques en Wallonie
Dufrêne, Marc ULg

in Lumaret, J.-P.; Jaulin, S.; Soldati, F. (Eds.) et al Conservation de la biodiversité dans les paysages ruraux européens (2005)

Detailed reference viewed: 17 (6 ULg)
Full Text
Peer Reviewed
See detailFactors influencing the PCDD/F levels in plasma of Belgian blood donors
Debacker, Neomi; Van Wouwe, Nathalie; Sasse, André et al

in Organohalogen Compounds (2005)

Detailed reference viewed: 16 (0 ULg)
Peer Reviewed
See detailArray Interpolation Applied to Conformal Array STAP
Ries, Philippe; Lapierre, Fabian D.; Verly, Jacques ULg

Conference (2005)

Detailed reference viewed: 8 (0 ULg)
Full Text
See detailBelgium stranding network
Jauniaux, Thierry ULg; Das, Krishna ULg; Brenez, C. et al

in annual proceeding (2005)

Detailed reference viewed: 12 (0 ULg)
Peer Reviewed
See detailImage analysis quantification of the angiogenesis on an embryonic implantation site
Le Maire, Sophie; Blacher, Silvia ULg; Labied, Soraya ULg et al

Conference (2005)

Detailed reference viewed: 11 (2 ULg)
Peer Reviewed
See detailMECOSIG Adapted to the Design of Distributed GIS
Pasquasy, Fabien; Laplanche, François; Sainte, Jean-Christophe et al

in OTM 2005 Workshops (2005)

Detailed reference viewed: 23 (3 ULg)
Full Text
Peer Reviewed
See detailDiscussion on the Report of Committee IV.2 – ISSC’2003 "Design Methods"
Rigo, Philippe ULg

in 15th Int. Ship and Offshore Structures Congress (2005)

Detailed reference viewed: 38 (0 ULg)
Peer Reviewed
See detailL'assurance-qualité dans le secteur agro-alimentaire - Collaboration entre l'Université et l'Industrie
Clinquart, Antoine ULg

in Coopér. Univ. Institutionnelle 2003-2007, Programme 2005, UMP Oujda – Maroc Oriental : Activité n°4 / Interface pour la gestion des innovations et des marchés emergents (2005)

Detailed reference viewed: 48 (1 ULg)
Full Text
See detailConservation and Sustainable Use of Non Timber Forests Products in Favour of Local Communities in Integrated Forest Management Plans in Central Africa
Vermeulen, Cédric ULg; Doucet, Jean-Louis ULg

in De Dapper, M. (Ed.) Tropical Forests in a Changing Global Context (2005)

Recently adopted reforms of forest legislation in Central African countries take into account the interests of local communities. As organizations of different kinds have been promoting this aspect, all ... [more ▼]

Recently adopted reforms of forest legislation in Central African countries take into account the interests of local communities. As organizations of different kinds have been promoting this aspect, all stakeholders of the timber sector are compelled to consider it. However, the practical implementation of this aspect often remains undefined. For vegetal NTFPs, the existing studies are typified by either a purely descriptive (ethno)botanical approach (lists of species used by an ethnic group) or by processing studies (transformation, conservation, economic value and commercialization of products) or by inventories defining the densities of certain species. Only a few studies examine the productivity of certain species. Within this context, one can conclude that there is a lack of studies that monitor the pressure exerted by local communities on the available products. The forest manager remains destitute while trying to monitor the level of exploitation of the ecosystem, while implementing a sustainable exploitation of the available resources or when he tries to set up conservation measures. This study aims at solving this problem. At first, a quantitative follow-up of the pressure exerted on vegetal NTFPs by a local Badjoué community living at the border of the Dja Reserve (Cameroon) is presented. This community of hunters and farmers (317 inhabitants) can be considered as representative of the way of life of many ethnic groups in rain forests. Pressure exerted is defined in terms of consumed quantities of each product and during several seasons. The consumed quantities are then converted into numbers of fructifying trees. Main results are twofold: on the one hand, the consumption of major exploited NTFPs can be expressed in terms of consumed quantities per habitant and per day during a certain period. On the other hand, we were able to calculate the number of tree stands that should be available to cope with the demands of the local community (with about 300 members). We could conclude that it is necessary — for our Badjoué community — to have 26 fructifying Irvingia gabonensis trees, 17 Baillonella toxisperma trees, 7 Ricinodendron heudelotii trees and 71 Trichoscypha spp. trees. Such research allows forest managers to consider the needs of local communities. Finally, the example of the Moabi (Baillonnella toxisperma Pierre) is chosen to illustrate the usefulness of this kind of approach for forest management planning. [less ▲]

Detailed reference viewed: 67 (15 ULg)
See detailCognitive and emotional antecedents and consequences of achievement goals in 1st year university students
Broonen, Jean-Paul ULg

in Rott, G. (Ed.) Cognition, motivation and emotion : dynamics in the academic environment : Fedora Psyche Conference in Lisbon, 2002 (2005)

Detailed reference viewed: 29 (4 ULg)
Full Text
Peer Reviewed
See detailWater intake is influenced by feeding frequency and energy allowance in cats
Kirschvink, N.; Lhoest, E.; Leemans, J. et al

in Proceedings of the 9th Congress ESVCN (2005)

Detailed reference viewed: 9 (1 ULg)
Peer Reviewed
See detailLes évaluations externes en Communauté française de Belgique : analyse des disparités entre élèves à la lumière d'une décennie de mise en place de ce dispositif
Fagnant, Annick ULg; Demonty, Isabelle ULg; Lafontaine, Annette ULg

in Comment évaluer ? Outils, dispositifs et acteurs : actes du colloque de l'Adméé-Europe, Reims, 24-26 octobre 2005 (2005)

Detailed reference viewed: 45 (7 ULg)
See detailEnergy dependence of the Jovian ion abundance ratios - Ion accelerarion by Alfven waves
Radioti, Aikaterini ULg; Krupp, N.; Woch, J. et al

Conference (2005)

Detailed reference viewed: 2 (0 ULg)
Peer Reviewed
See detailModelaçao numérica da encurvadura lateral de vigas I em aço inoxidável à temperature ambiente e em situaçao de incêndio - comparaçao com o Eurocòdigo
Lopes, N.; Vila Real, P.; Silva, L. et al

in Proceedings of the V Congresso de Construçao Metálica e Mista (2005)

Detailed reference viewed: 29 (2 ULg)
Full Text
Peer Reviewed
See detailAnalyse inverse d’une courbe pressiométrique par algorithme génétique
Levasseur, Séverine ULg; Malécot, Yann; Boulon, Marc et al

in Gambin, Michel; Magnan, Jean-Pierre; Mestat, Philippe (Eds.) ISP5 - Pressio 2005 - Volume 1 (2005)

Cet article est consacré à l’identification des paramètres constitutifs d’un modèle de Mohr-Coulomb à partir d’un essai pressiométrique. Pour minimiser l’écart entre le résultat de l’essai et sa ... [more ▼]

Cet article est consacré à l’identification des paramètres constitutifs d’un modèle de Mohr-Coulomb à partir d’un essai pressiométrique. Pour minimiser l’écart entre le résultat de l’essai et sa simulation numérique, une optimisation par algorithme génétique est proposée. On montre qu’il semble difficile d’identifier simultanément un module de déformation et un angle de frottement à partir d’une seule courbe pressiométrique [less ▲]

Detailed reference viewed: 142 (0 ULg)
See detailAlpha-elements in mildly metal-poor stars
Decauwer, H.; Jehin, Emmanuel ULg; Parmentier, G. et al

in Hill, V.; François, P.; Primas, F. (Eds.) From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution (2005)

Accurate relative abundances of light elements (C to Ca) have been obtained in a sample of mildly metal-poor stars (Decauwer et al. 2005). Combined with the results of a previous study (Jehin et al. 1999 ... [more ▼]

Accurate relative abundances of light elements (C to Ca) have been obtained in a sample of mildly metal-poor stars (Decauwer et al. 2005). Combined with the results of a previous study (Jehin et al. 1999), we find different slopes in the correlations between the different alpha-elements. These results can be explained by postulating that the stars exhibiting lower than average alpha/Fe form in low mass clouds, unable to sustain the formation of very massive stars. [less ▲]

Detailed reference viewed: 8 (0 ULg)
Peer Reviewed
See detailProbing fluoroquinoone-biomembrane interactions on the nanoscale
Fa, Nathalie; Burton, Ingrid; Deleu, Magali ULg et al

Poster (2005)

Detailed reference viewed: 8 (1 ULg)
See detailTranscritional regulation of the mouse doublecortin gene in differentiating neurons
Piens, Marie; Muller, Marc ULg; Lion, Michelle et al

Poster (2005)

Detailed reference viewed: 6 (0 ULg)
See detailCatalytic applications of transition metal N-heterocyclic carbene complexes bearing nitrogen-containing substituents
Sauvage, Xavier ULg; Tudose, Adriana; Delfosse, Sébastien et al

Poster (2005)

Detailed reference viewed: 28 (3 ULg)
Full Text
Peer Reviewed
See detailStrontium ranelate reduces the risk of vertebral fractures in osteoporotic postmenopausal women whatever the baseline vertebral fracture status
Fardellone, P.; Roux, C.; Fechtenbaum, J. et al

in BONE (2005), 36(S2), 403

Detailed reference viewed: 6 (1 ULg)
Full Text
Peer Reviewed
See detailControlled radical polymerization of vinyl monomers catalyzed by ruthenium N-heterocyclic carbene complexes
Demonceau, Albert ULg; Delfosse, Sébastien ULg; Richel, Aurore ULg et al

in Abstracts of Papers - American Chemical Society, National Meeting (2005), 230

As part of our program devoted to the development of new metal-NHC catalyst systems, we have launched a detailed investigation on the catalytic activity of ruthenium-p-cymene complexes bearing NHC ligands ... [more ▼]

As part of our program devoted to the development of new metal-NHC catalyst systems, we have launched a detailed investigation on the catalytic activity of ruthenium-p-cymene complexes bearing NHC ligands for the ring opening metathesis polymerization (ROMP) of cyclic olefins and for the ATRP of vinyl monomers. We report herein on the use for ATRP of [RuCl2(p-cymene)(NHC)] complexes generated in situ by combining the [RuCl2(p-cymene)]2 dimer with an imidazolium salt and a base such as potassium tert-butoxide, cesium carbonate or aluminum isopropoxide. [less ▲]

Detailed reference viewed: 57 (22 ULg)
Peer Reviewed
See detailNumerical simulation and experimental validation of murine fracture healing
Geris, Liesbet ULg; Gerisch, A.; Maes, C. et al

in Proceedings of the European Conference on Mathematical and Theoretical Biology (2005)

Detailed reference viewed: 4 (0 ULg)
Peer Reviewed
See detailMorphological and mechanical characterisation of bone scaffolds
Kerckhofs, Greet ULg; Wevers, Martine; Schrooten, Jan

Poster (2005)

Detailed reference viewed: 1 (0 ULg)
See detailTracking the early record of life
Javaux, Emmanuelle ULg

Conference (2005)

Detailed reference viewed: 3 (0 ULg)
Peer Reviewed
See detailEffect of long duration melatonin in an extended sleep opportunity protocol on core body temperature, TSH and HRV in humans
Middleton, B; Dijk, D-J; Rajaratnam, S et al

Poster (2005)

Detailed reference viewed: 9 (0 ULg)
See detailOcean-atmosphere CO2 exchanges in the polar regions: popping the sea ice cork
Tison, Jean-Louis; Miller, L.; Delille, Bruno ULg

Conference (2005)

Detailed reference viewed: 3 (0 ULg)
Full Text
Peer Reviewed
See detailMamluk Era Documentary Studies: The State of the Art
Bauden, Frédéric ULg

in Mamlūk Studies Review (2005), IX(1), 15-60

Detailed reference viewed: 62 (5 ULg)
Peer Reviewed
See detailTransition probabilities for lines from 4d96s, 4d95d of Ag II spectrum and from 3d94d of Cu II lines
Biémont, Emile ULg; Blagoev, K.; Campos, J. et al

Conference (2005)

Detailed reference viewed: 15 (2 ULg)
Peer Reviewed
See detailMitigation of soft storey failures of RC structures under earthquake by encased steel profiles
Plumier, André ULg; Doneux, Catherine; Stoychev, Lyubomir et al

in Proceedings of the ICASS'05 Conference (2005)

Detailed reference viewed: 29 (0 ULg)
Peer Reviewed
See detailConnexion implants - prothèse
Van Heusden, Alain ULg

Conference (2005)

Detailed reference viewed: 16 (0 ULg)
See detailSUGAR-1 Spectrometry in Ultraviolet of GAlaxies at Redshift-1
Vandenrijt, Jean-François ULg; Alvarez, C.; Boschini, L. et al

in Final Papers, 56th IAC 2005, Fukuoka, Japan (2005)

This paper describes the outcome of the work performed during the 28th Alpbach Summer School, focused on the theme The Birth, Life and Death of Stars. We propose a mission consisting of a large aperture ... [more ▼]

This paper describes the outcome of the work performed during the 28th Alpbach Summer School, focused on the theme The Birth, Life and Death of Stars. We propose a mission consisting of a large aperture (3.5m main mirror diameter) UV space telescope, with capabilities for imaging and low, medium and high resolution spectroscopy. Even though such a telescope can have multiple scientific applications, we suggest a survey-type mission (SUGAR-1), dedicated mainly to the spectroscopic study of starburst galaxies at redshift z ~ 1, which corresponds to an epoch of enhanced star formation density in the history of the Universe and, in particular, to the time when our Solar System was born. Stars are the fundamental building blocks of galaxies. A major aspect of understanding galaxy formation and evolution is to understand their star formation history. Starburst galaxies are galaxies experiencing intense star forming activity and exhibiting strong UV emission from a young, hot stellar population. The study of starbursts helps us to understand the star formation process, and its influence on the environment and processes in the interstellar gas. The study of the star formation rate (SFR) at various redshifts is possible from the intensities of the H, H, OII and OIII lines, and the luminosity of the UV continuum. These can be used to generate Madau plots, which are diagnostic. Madau plots indicate that a peak of star formation in the history of the Universe occurred at z ~ 1, which corresponds to -5 Gyr, i.e. the moment of the birth of our own Solar System. Observations of this era will enable us to investigate the initial conditions in galaxies like ours when the formation was triggered. By observing a large number of galaxies at 0.4 < z < 1.1, we can learn about the properties of the star formation processes and the conditions of the interstellar medium (ISM) and its chemical properties at this moment of enhanced star formation. Spectroscopy and imaging in the UV will have a great impact on galaxy evolution modeling, since they will provide insight on whether the time corresponding to z = 1 was a time of massive galaxy formation, or if the massive star formation of that time took place in already established galaxies, which were formed at a much earlier stage in the evolution of the Universe. Moreover, studies of the Universe at z ~ 1 are of cosmological relevance, because according to the Cosmological Standard Model, it is precisely at z ~ 1 when the Universe underwent a phase transition from ΩMatter being larger than ΩDarkEnergy, to the opposite. Therefore, to investigate this interesting time in the evolution of the Universe, we suggest the construction of a dedicated UV telescope with a pre-defined science mission to perform Spectrometry in Ultraviolet GAlaxies at Redshift-1 (SUGAR-1). In what follows, a more detailed description of the mission science goals is given. We will show how the science goals are transformed into science requirements for the mission, which are turned into telescope and instrument requirements. Then a brief description will be given of the main technical aspects of the mission (spacecraft structure, electronics, power and orbit). The spacecraft mass and cost budgets of the mission are addressed, ending with a final summary. [less ▲]

Detailed reference viewed: 21 (3 ULg)
Peer Reviewed
See detailInhaled and systemic corticosteroids decrease Matrix Metalloproteinase-9 in bronchoalveolar lavage fluid of asthmatic cats
Leemans, Jérôme ULg; Kirschvink, Nathalie; Delvaux, François ULg et al

in In Proceedings:15th Congress European College of Veterinary Internal Medicine – companion animals (2005)

Detailed reference viewed: 15 (2 ULg)
Full Text
Peer Reviewed
See detailThe Use of Cryogenic Zone Compression for the Measurement of POPs in Human Serum at Attogram Levels by GCxGC/ID-HRMS
Patterson, Donald G.; Welch, Susan; Turner, Wayman et al

in Organohalogen Compounds (2005), 67

Detailed reference viewed: 38 (2 ULg)
Full Text
Peer Reviewed
See detailAxes rotation during simple shear test: Measurement and predictions
Lelotte, Thomas; Gerday, Anne-Françoise ULg; Flores, Paulo et al

in Oñate, E.; Owen, D. R. J. (Eds.) Proceedings of the VIII International Conference on Computational Plasticity (COMPLAS VIII) (2005)

For a simple shear test, the finite element (FE) local frame, that stays orthogonal, does not follow the anisotropic material frame. To study this effect, FE simulations have been compared with ... [more ▼]

For a simple shear test, the finite element (FE) local frame, that stays orthogonal, does not follow the anisotropic material frame. To study this effect, FE simulations have been compared with experimental results (optical and texture measurements) and it was shown that it is necessary to take into account the effect of texture updating for local axes rotation. [less ▲]

Detailed reference viewed: 47 (19 ULg)
See detailEstimated energy balance in the jovian upper atmosphere during an auroral heating event
Melin, H.; Miller, S.; Stallard, T. et al

Poster (2005)

We present an analysis of a series of observations of the auroral/polar regions of Jupiter, carried out between September 8 and 11, 1998, making use of the high-resolution spectrometer, CSHELL, on the ... [more ▼]

We present an analysis of a series of observations of the auroral/polar regions of Jupiter, carried out between September 8 and 11, 1998, making use of the high-resolution spectrometer, CSHELL, on the NASA InfraRed Telescope Facility (IRTF), Mauna Kea, Hawaii; these observations spanned an ``auroral heating event". This analysis combines the measured line intensities and ion velocities with a one-dimensional model of the jovian thermosphere/ionosphere (Grodent et al. 2001). We compute the model line intensities both assuming local thermodynamic equilibrium (LTE) and, relaxing this condition (non-LTE), through detailed balance calculations (Oka et al. 2004), in order to compare with the observations. Taking the model parameters derived, we calculate the changes in heating rate required to account for the modeled temperature profiles that are consistent with the measured line intensities. Comparison of the various heating and cooling terms enables us to investigate the balance of energy inputs into the auroral/polar atmosphere. Increases in Joule heating and ion drag are sufficient to explain the observed heating of the atmosphere; increased particle precipitation makes only a minor heating contribution. But local cooling effects - predominantly H[SUB]3[SUP]+[/SUP][/SUB] radiation-to-space - are shown to be too inefficient to allow the atmosphere to relax back to pre-event thermal conditions. Thus we conclude that this event provides observational, i.e. empirical, evidence that heat must be transported away from the auroral/polar regions by thermally or mechanically driven winds. [less ▲]

Detailed reference viewed: 3 (0 ULg)
Peer Reviewed
See detailThe accuracy of perceptual memory for personally known faces
Devue, Christel ULg; Brédart, Serge ULg

Poster (2005)

Recently, Ge et al. (2003) reported a very high accuracy of memory for a highly familiar face. Their Chinese participants had to identify the most veridical appearance of Mao’s face among unaltered and ... [more ▼]

Recently, Ge et al. (2003) reported a very high accuracy of memory for a highly familiar face. Their Chinese participants had to identify the most veridical appearance of Mao’s face among unaltered and transformed (inter-ocular distance was gradually increased or decreased) versions of his portrait. In the present experiment, the same facial transformations were applied to our participants’ faces to evaluate whether this hyperfidelity for familiar faces is specific to famous individuals whose face is mainly known from a standard portrait or if it could generalise to personally known faces (the own face and a close person’s face). Results showed that performance was not different for the two familiar faces in the recognition task, or between the recognition task and a perceptual discrimination task. The high accuracy of memory previously shown for a very famous face generalises to personally known individuals for whom we have a various visual experience. [less ▲]

Detailed reference viewed: 12 (2 ULg)
Full Text
Peer Reviewed
See detailConsequences of fish introductions on paedomorphic newts (Triturus alpestris and T. helveticus)
Denoël, Mathieu ULg; Dzukic, Georg; Kalezic, Milos

Poster (2005)

Fish stocking is largely recognized as a major thread to amphibian populations. Although it acts at a local level, it is widespread at a world scale. Despite this good knowledge, the effect of fish on ... [more ▼]

Fish stocking is largely recognized as a major thread to amphibian populations. Although it acts at a local level, it is widespread at a world scale. Despite this good knowledge, the effect of fish on alternative phenotypes has only been described in a few local studies. Our aim was to report on the loss of intraspecific heterochrony as a loss to diversity in determining the consequences of fish introductions on paedomorphs (morphs retaining gills at the adult stage) of two European species of newts. We surveyed almost all the main known paedomorphic populations of the Alpine (Triturus alpestris) and palmate (T. helveticus) newts, which all but one initially occupied fishless ponds and lakes in France, Italy, Slovenia, Bosnia, Montenegro, and Greece. Exotic fish were found in almost half of the studied aquatic habitats. Introductions involved several ornamental and large predatory species of fish. At all sites, in which fish were introduced, paedomorphs disappeared and metamorphs declined. The largest known populations of newts, including some endemic subspecies, were concerned. If measures are not taken to stop fish stocking, protect paedomorphs as conservation units, and restore natural habitats, all the largest paedomorphic populations may disappear in the near future. [less ▲]

Detailed reference viewed: 19 (2 ULg)
Full Text
Peer Reviewed
See detailA toy model for generalised parton distributions
Cudell, Jean-René ULg; Bissey, F.; Cugnon, Joseph ULg et al

in AIP Conference Proceedings (2005), 775

Detailed reference viewed: 31 (3 ULg)
Peer Reviewed
See detailA biologically-driven musical instrument
Arslan, B.; Brouse, A.; Castet, J. et al

in Proceedings of the 1st summer workshop on multimodal interfaces eNTERFACE05 (2005)

Detailed reference viewed: 11 (0 ULg)
Full Text
See detailLe texte, ses grilles et leurs grues
Durand, Pascal ULg

in Aron, Paul; Bertrand, Jean-Pierre; Durand, Pascal (Eds.) La Littérature Maldoror (2005)

Detailed reference viewed: 21 (8 ULg)
Full Text
Peer Reviewed
See detailModern techniques for flood risk analysis: quasi-3D simulations in a GIS environment
Archambeau, Pierre ULg; Erpicum, Sébastien ULg; Dewals, Benjamin ULg et al

in Geophysical Research Abstracts (2005), 7(09348),

Human beings have continuously attempted to adapt their environment to their needs. However, many natural phenomena still remain challenging to control and the populations must undergo sometimes heavily ... [more ▼]

Human beings have continuously attempted to adapt their environment to their needs. However, many natural phenomena still remain challenging to control and the populations must undergo sometimes heavily damaging consequences. It is consequently essential to study these phenomena in order to assess their potential hazards. In particular, the scope of the present paper focus on floods. The intense floods met these last years showed the importance of this phenomenon as well as its many devastating effects. Thanks to recent important breakthroughs, both in the field of conceptual and numerical modelling of complex flows and in the calculation power of computers, it is henceforth possible to study the effects of potential floods on the basis of numerical simulations, with an accuracy never reached beforehand. The Laboratory of Applied Hydrodynamics and Hydraulic Constructions (HACH) of the University of Liege has always made this kind of study one of its core competencies, thanks to • the development of modern and powerful modelling tools (quasi-three dimensional software for flow simulation by finite volume), • the use of a broad range of data enabling a proper representation of the studied fields (topography, occupation of the ground...) • the systematic validation of simulation results. These tools are currently intensively used within the framework of a general study of the flood-prone zones of the Walloon area of Belgium, which corresponds to more than 800 km of rivers. [less ▲]

Detailed reference viewed: 46 (8 ULg)
Peer Reviewed
See detailSpeeding up Feature Selection by Using an Information Theoretic Bound.
Meyer, Patrick ULg; Caelen, Olivier; Bontempi, Gianluca

in BNAIC (2005)

Detailed reference viewed: 12 (1 ULg)
Peer Reviewed
See detailDoes Acepromazine reduce the cardiovascular toxicity of Norepinephrine in the horse
Péters, P; Pequito, M; Sandersen, Charlotte ULg et al

in Proceedings of the Congress of Veterinary Anesthesia (2005)

Detailed reference viewed: 13 (0 ULg)
Full Text
Peer Reviewed
See detailDiscussion on Paper D04 “Ultimate limit state design technology for aluminium multi-hull ship structures, SNAME Transactions, Vol.113, (2005)”
Rigo, Philippe ULg; Richir, Thomas

in Ultimate limit state design technology for aluminium multi-hull ship structures, SNAME Transactions, Vol.113 (2005)

Detailed reference viewed: 38 (1 ULg)
Peer Reviewed
See detailRegistration-based range-dependence compensation method for conformal array STAP
Neyt, Xavier; Ries, Philippe; Verly, Jacques ULg et al

Conference (2005)

Detailed reference viewed: 2 (0 ULg)
Full Text
Peer Reviewed
See detailDietary supplementation with chondroitin sulfate and glucosamine HCL does not slow down articular cartilage erosion in biglycan/fibromodulin deficient mice
Henrotin, Yves ULg; Deberg, M; Oliviera, M et al

in Osteoporosis International (2005), 16(Suppl 3), 105

Detailed reference viewed: 7 (0 ULg)
Peer Reviewed
See detailAssociation between S100B protein levels in the amniotic fluid and preeclampsia
Shimoya, Koichiro; Komoto, Yoshiko; Temma-Asano, Kumiko et al

Poster (2005)

Detailed reference viewed: 7 (0 ULg)
Full Text
Peer Reviewed
See detailTime-of-day modulations of rCBF response in functional brain imaging studies: a meta-analysis
Schmidt, Christina; Dang Vu, Thanh; Orban, Pierre et al

in NeuroImage (2005), 26(Suppl. 1),

Detailed reference viewed: 16 (2 ULg)
Full Text
Peer Reviewed
See detailLarge-scale groundwater flow and transport modeling: Methodology and application to the Meuse Basin – Belgium
Orban, Philippe ULg; Brouyère, Serge ULg; Corbeanu, Horatiu et al

in Bringing Groundwater Quality Research to the Watershed Scale - Proceedings of GQ2004 (2005)

To meet the requirements of the EU Water Framework Directive, an integrated water management project named PIRENE was initiated by the Walloon Region of Belgium. A partner of this project, the ... [more ▼]

To meet the requirements of the EU Water Framework Directive, an integrated water management project named PIRENE was initiated by the Walloon Region of Belgium. A partner of this project, the Hydrogeology Group of the University of Liège, is in charge of the development of a physically based transient groundwater flow and transport model for the Walloon part of the Meuse Basin (approximately 17 000 km2). To face the problems associated with this large-scale model, a general approach has been developed that combines a hydrogeological database and GIS systems to manage data. Techniques of spatial discretization have been applied that optimize the number of unknowns. For modelling groundwater flow and transport on a large scale, a new numerical approach called the Hybrid Finite Element Mixing Cell (HFEMC) has been implemented in the 3-D simulator SUFT3D. [less ▲]

Detailed reference viewed: 57 (12 ULg)
Full Text
Peer Reviewed
See detailEffect of FEM choices in the modelling of incremental forming of aluminium sheets
He, S.; Van Bael, A.; Van Houtte, P. et al

in Banabic, D. (Ed.) Proceedings of the 8th ESAFORM Conference on Material Forming (2005)

This paper investigates the process of single point incremental forming of an aluminium cone with a 50-degree wall angle. Finite element (FE) models are established to simulate the process. Different FE ... [more ▼]

This paper investigates the process of single point incremental forming of an aluminium cone with a 50-degree wall angle. Finite element (FE) models are established to simulate the process. Different FE packages have been used. Various aspects associated with the numerical choices as well as the material and process parameters have been studied. The final geometry and the reaction forces are presented as the results of the simulations. Comparison between the simulation results and the experimental data is also made. [less ▲]

Detailed reference viewed: 126 (5 ULg)
See detailCatalytic applications of transition metal N-heterocyclic carbene complexes bearing nitrogen-containing substituents
Sauvage, Xavier ULg; Tudose, Adriana; Delfosse, Sébastien et al

Conference (2005)

Detailed reference viewed: 17 (1 ULg)
See detailLa réforme de la PAC : perspectives d'avenir
Burny, Philippe ULg

Conference (2005)

Detailed reference viewed: 5 (1 ULg)
Full Text
Peer Reviewed
See detailNumerical tools for the optimization of hydroelectric power stations in cascade
Erpicum, Sébastien ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in Dick, Erik; Hogge, Michel; Van Keer, Roger (Eds.) Proceedings of the 3rd Internationale Conference on Advanced Computational Methods in Engineering (2005)

The numerical optimization process of the system of hydroelectric power stations installed on a 60 km long section of the rivers Amblève and Warche in Belgium is presented in detail. The river network is ... [more ▼]

The numerical optimization process of the system of hydroelectric power stations installed on a 60 km long section of the rivers Amblève and Warche in Belgium is presented in detail. The river network is modelled in quasi-2D using real natural topographic data on almost 1,100 finite volumes. In a first step, the hydrological balance is closed using a numerical solver and roughness coefficients are calibrated from water level and discharge field measurements. Secondly, the hydroelectric production is maximised by an automatic calibration of the parameters of the hydrograph released in the network at the upstream dam. This approach leads to a substantial gain in hydroelectric production, brings significant financial benefits and deals with all management and security criteria of the river network. [less ▲]

Detailed reference viewed: 39 (2 ULg)
See detailSécurité alimentaire et traçabilité
Vandeplas, Sabrina ULg; Romnee, Jean-Michel; Boudry, Christelle ULg et al

in Animal husbandry : yesterday, today and tomorrow. What are the expectations , And what are the challenges ? (2005)

La décennie 90 a été marquée par plusieurs crises: l'ESB, la présence d'hormones et la crise de la dioxine. La communauté scientifique a réagi en recherchant une meilleure sécurité alimentaire et une ... [more ▼]

La décennie 90 a été marquée par plusieurs crises: l'ESB, la présence d'hormones et la crise de la dioxine. La communauté scientifique a réagi en recherchant une meilleure sécurité alimentaire et une traçabilité efficace. La contribution de plusieurs chercheurs de la Faculté des Sciences Agronomiques et du Centre Wallon de Recherches Agronomiques est présentée dans cet exposé. [less ▲]

Detailed reference viewed: 62 (12 ULg)
Full Text
See detailProcessus de qualification du produit « viande bovine » veillant à valoriser les multiples fonctions de l’élevage
Stilmant, Didier; Stassart, Pierre M ULg; Jamar, Daniel

in Actes des Journées de Fourrage Actualité (2005)

Detailed reference viewed: 12 (0 ULg)
Peer Reviewed
See detailA Modular Multi-camera Framework for Team Sport Tracking
Hayet, Jean-Bernard; Mathes, Thomas; Czyz, Jacek et al

Conference (2005)

Detailed reference viewed: 16 (1 ULg)
Peer Reviewed
See detailFT-Raman Spectroscopy of Extant and Fossil Micro-Algae
Marshall, craig; Javaux, Emmanuelle ULg

Conference (2005)

Detailed reference viewed: 12 (0 ULg)
Full Text
Peer Reviewed
See detailCommon Agricultural Policy and the environment : are they compatible ?
Burny, Philippe ULg

in Universitatea "Babes-Boliay" Cluj-Napoca (Ed.) Simpozion national "Contributii stiintifice în tehnologii si echipamente pentru evaluarea si protectia mediului" (2005)

Detailed reference viewed: 17 (1 ULg)
Peer Reviewed
See detailUtilisation des Points d’Intérêts Couleurs pour le Suivi d’Objets
Gabriel, Pierre F.; Hayet, Jean-Bernard; Verly, Jacques ULg

Conference (2005)

Detailed reference viewed: 12 (1 ULg)
See detailJovian ion energy spectra - Ion stochastic acceleration by Alfven waves
Radioti, Aikaterini ULg; Krupp, N.; Woch, J. et al

Conference (2005)

Detailed reference viewed: 2 (0 ULg)
Peer Reviewed
See detailA case of Rhodococcus equi infection in an adult probably immuno-compromised horses
Bertrand, P; Sandersen, Charlotte ULg; Cassart, Dominique ULg et al

in Proceedings of the Leipziger Tierärzte Kongress (2005)

Detailed reference viewed: 3 (0 ULg)
See detailDevelopment of a biological control method against post-harvest diseases of Citrus fruits
Lahlali, R.; Serrhini, M. N.; Jijakli, Haissam ULg

Conference (2005)

Detailed reference viewed: 17 (2 ULg)
See detailCarbon dioxide dynamics and related air-ice fluxes in Antarctic sea ice
Delille, Bruno ULg; Trevena, Anne; Schoemann, Véronique et al

Poster (2005)

Detailed reference viewed: 4 (0 ULg)
Full Text
Peer Reviewed
See detailCarbon budget of a sugar beet crop
Moureaux, Christine ULg; Vilret, Amélie; Delvoye, Sébastien et al

in Geophysical Research Abstracts (2005), 7(1),

Detailed reference viewed: 23 (7 ULg)
Full Text
Peer Reviewed
See detailAz emlőbesugárzásnál alkalmazott tangenciális mezők multiszegmentálásával javiitható a céltérfogat dózis-homogenitása
GULYBAN, Akos ULg; Bellyei, Szabolcs; Farkas, Robert et al

in Magyar Onkologia (2005), 45(265), 2005

Detailed reference viewed: 2 (0 ULg)