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See detailNumerical study of the fatigue crack in welded beam-to-column connection using cohesive zone model
Lequesne, Cédric ULg; Plumier, André ULg; Degée, Hervé ULg et al

in Proceedings of the International Conference on Fracture and Damage Mechanics V (2006)

The fatigue behaviour of the welded beam-to-column connections of steel moment resisting frame in seismic area must be evaluated. The cohesive zone model is an efficient solution to study such connections ... [more ▼]

The fatigue behaviour of the welded beam-to-column connections of steel moment resisting frame in seismic area must be evaluated. The cohesive zone model is an efficient solution to study such connections by finite elements. It respects the energetic conservation and avoids numerical issues. A three-dimensional cohesive zone model element has been implemented in the home made finite element code Lagamine [1]. It is coupled with the fatigue continuum damage model of Lemaître and Chaboche [2]. The cohesive parameters are identified by the inverse method applied on a three points bending test modelling. [less ▲]

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See detailEen contrast in contrastief taalonderzoek
Hiligsmann, Philippe; Rasier, Laurent ULg

Conference (2006)

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See detailHomenaje conmemorativo a Manuel Sacristán
Ceballos Viro, Alvaro ULg

in Revista de Hispanismo Filosófico (2006)

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See detailEarly boost and slow consolidation in motor skill learning
Hotermans, C.; Peigneux, Philippe ULg; Maertens De Noordhout, Alain ULg et al

in Learning & Memory (Cold Spring Harbor, N.Y.) (2006), 13(5, Sep-Oct), 580-583

Motorskill learning is a dynamic process that continues covertly after training has ended and eventually leads to delayed increments in performance. Current theories Suggest that this off-line improvement ... [more ▼]

Motorskill learning is a dynamic process that continues covertly after training has ended and eventually leads to delayed increments in performance. Current theories Suggest that this off-line improvement takes time and appears only after several hours. Here we show an early transient and short-lived boost in performance, emerging as early as 5-30 min after training but no longer observed 4 h later. This early boost is predictive of the performance achieved 48 h later, Suggesting its functional relevance for memory processes. [less ▲]

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See detailS-matrix renormalization in effective theories
Semenov-Tyan-Shanskiy, Kirill ULg; Vereshagin, Alexander; Vereshagin, Vladimir

in Physical Review. D : Particles and Fields (2006), 73

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See detailEuropean Foreign Exchange Risk Exposure
Muller, Aline ULg; Verschoor, Willem

in European Financial Management (2006), 12(2), 195-220

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See detailGenomic structure of new Tunisian peach latent mosaic viroid variants.
Hassen, I Fekih; Massart, Sébastien ULg; Roussel, S. et al

in Communications in agricultural and applied biological sciences (2006), 71(3 Pt B), 1257-1265

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See detailTen geleide
Spinoy, Erik ULg

in Freespace Nieuwzuid (2006), 6(21), 5

This is an introduction to a special issue of Nieuwzuid on the writing of literary history.

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See detailIntratissular Lymphaticovenous Anastomoses Demonstrated by Perioperative Intramuscular Injection of 99mtc-Colloids
Heymans, Olivier; Fallais, Charles ULg; Hustinx, Roland ULg

in Lymphatic Research and Biology (2006), 4(1, Spring), 29-33

BACKGROUND: The existence of intratissular lymphaticovenous anastomoses has often been suggested, but it has never been demonstrated. This study aims at demonstrating the presence of such anastomoses ... [more ▼]

BACKGROUND: The existence of intratissular lymphaticovenous anastomoses has often been suggested, but it has never been demonstrated. This study aims at demonstrating the presence of such anastomoses. METHODS AND RESULTS: The free flap model was used to investigate the drainage of radiolabeled colloid particles whose size prevents direct passage to the blood vessels. The tracer was injected into the muscle or the skin during the surgical procedure. Blood samples were sequentially drawn from the venous pedicle over the 30 minutes that followed the tracer injection. The blood samples were counted using a gamma well-counter. In all 14 patients, the venous blood radioactivity steadily increased over time. Radiochemical analyses performed on the blood samples demonstrated that the radioactivity is related to the labeled colloids and not to free pertechnetate. Planar imaging performed 24 hours after the surgical procedure showed a significant liver uptake, and no accumulation in the area of normal lymphatic relays. CONCLUSIONS: As, in the free flap model, there is no lymphatic drainage through the classical pathways whatsoever, and since the size of the radiolabeled particles prevents them from directly entering the blood stream, the results strongly suggest the presence of functional intratissular lymphovenous anastomoses. [less ▲]

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See detailUn prisme ou une rose des vents des finalités et caractéristiques d'un Dispositif d'Evaluation (DEA)
Leclercq, Dieudonné ULg

Learning material (2006)

According to the prism through which performances are observed (measured and judged), the resulting (numerical or qualitative) pictures that reflect them may vary greatly. A prism has several dimensions ... [more ▼]

According to the prism through which performances are observed (measured and judged), the resulting (numerical or qualitative) pictures that reflect them may vary greatly. A prism has several dimensions. It can also be spoken of a compass of several bipolar dimensions (directions) represnted by nails. A dozen of them are presented and illustrated. [less ▲]

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See detailPli et "subjectivation" chez Heidegger
Pieron, Julien ULg

in Cormann, Grégory; Laoureux, Sébastien; Pieron, Julien (Eds.) Différence et identité: Les enjeux phénoménologiques du pli (2006)

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See detailL'apprentissage en tandem : apprendre une langue étrangère de et avec l'autre
Simons, Germain ULg; Van Hoof, Florence ULg; Dahmen, Manfred et al

Learning material (2006)

De manière très schématique, on peut définir l'apprentissage en tandem de la manière suivante : il s'agit de mettre en contact deux élèves qui ne partagent pas la même langue maternelle et qui souhaitent ... [more ▼]

De manière très schématique, on peut définir l'apprentissage en tandem de la manière suivante : il s'agit de mettre en contact deux élèves qui ne partagent pas la même langue maternelle et qui souhaitent apprendre la langue de l'autre. L'idée de base est que chacun des élèves "enseigne" sa propre langue à son partenaire. On distingue deux formes d'apprentissage en tandem. 1) le tandem à distance ou tandem virtuel qui consiste à demander aux élèves de s'échanger des lettres, des e-mails et/ou divers autres documents (articles de journaux/revues, photos, cassettes vidéo/audio, CD, etc.) 2) le tandem physique qui permet aux élèves de se rencontrer physiquement dans un, voire dans les deux pays partenaires. L'originalité de l'apprentissage en tandem se situe avant tout dans la démarche de systématisation des échanges et dans la méthodologie préconisée pour amener les élèves partenaires à apprendre la langue étrangère de et avec l'autre. [less ▲]

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See detailL'Hantavirose fait encore parler d'elle
Bourhaba, Maryam ULg; GIOT, Jean-Baptiste ULg; Tshialala, D. M. et al

in Revue Médicale de Liège (2006), 61(5-6, May-Jun), 322-8

We propose a review of history, aetiology, physiopathology, clinical features, treatment and prevention of nephropathia epidemica (NE) which represents the only form of Hantavirus infection in Belgium.

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See detailHet recht op aftrek ratione temporis
Peeters, Bart ULg

in Tijdschrift voor Fiscaal Recht (2006)

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See detailDynamics of spontaneous ventricular fibrillation in acutely ischemic pigs
Desaive, Thomas ULg; Janssen, Nathalie ULg; Péters, F. et al

in Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology (2006), 8 (supplement 1)

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See detailIn Search of Novel Ampa Potentiators
Francotte, Pierre ULg; De Tullio, Pascal ULg; Fraikin, Pierre ULg et al

in Recent Patents on CNS Drug Discovery (2006), 1(3), 239-46

Glutamate is the major excitatory neurotransmitter in the brain. Amongst ionotropic receptors responding to glutamate, the AMPA subtype has been considered as essential for the fast excitatory ... [more ▼]

Glutamate is the major excitatory neurotransmitter in the brain. Amongst ionotropic receptors responding to glutamate, the AMPA subtype has been considered as essential for the fast excitatory neurotransmission in the central nervous system and the expression and maintenance of long-term potentiation. As glutamate is known to be involved in many neurological and psychiatric disorders, AMPA receptors seem to represent interesting targets to develop therapeutic drugs. Hence, the enhancement of AMPA signals is an approach currently investigated for the management of Alzheimer's disease, schizophrenia or mood disorders. In particular, many efforts are being conducted in the development of AMPA positive allosteric modulators ("potentiators"), which alter the rate of receptor desensitization. The major chemical families developed as AMPA potentiators are aniracetam derivatives, cyclothiazide derivatives and biarylpropylsulfonamides derivatives. [less ▲]

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See detailStandardisation and Validation of Micro-CT for the Morphological Characterisation of Porous Structures
Kerckhofs, Greet ULg; Schrooten, Jan; Wevers, Martine et al

in Proceedings book ECNDT 2006 (2006)

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See detailNon-invasive assessment of growth, gender and time of day related changes of respiratory pattern in healthy cats by use of barometric whole body plethysmography.
Kirschvink, Nathalie; Leemans, Jérôme ULg; Delvaux, François ULg et al

in Veterinary Journal (2006), 172(3), 446-454

The objective of this study was to establish a reference base for respiratory variables (respiratory rate [R(R)], inspiratory and expiratory time [T(i) and T(e)], peak inspiratory and expiratory ... [more ▼]

The objective of this study was to establish a reference base for respiratory variables (respiratory rate [R(R)], inspiratory and expiratory time [T(i) and T(e)], peak inspiratory and expiratory pseudoflow [PIF and PEF], tidal volume [V(T)], minute ventilation [V(E)] and enhanced pause [Penh]) of healthy cats by use of barometric whole body plethysmography (BWBP). Eighteen healthy European cats (10 male, 8 female) were studied from the age of 3 to 13 months in order to assess growth- and gender-related changes of BWBP variables. Chest radiographs and bronchoalveolar lavage cytology were performed to confirm pulmonary health status. Diurnal changes were investigated every 2 h over a period of 24 h when the cats were adult. V(T), V(E), PIF and PEF significantly increased during somatic growth and were higher in males than in females, whereas R(R), T(i), T(e), T(e)/T(i) ratio, PEF/PIF ratio and Penh remained unchanged and were not affected by gender. When measured over 24 h, Penh, T(e) and T(i) were significantly increased in the early morning hours (04:00 h), whereas R(R), PIF and PEF were decreased at that time. This study provides reference values of BWBP variables for healthy male and female cats and indicates when circadian changes might be observed [less ▲]

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