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See detailLe droit commercial général (fonds de commerce, secteur public local, faillites)
Gol, Déborah ULg; Thirion, Nicolas ULg; Pasteger, David ULg

in Chroniques Notariales (2008), 47

Chronique de législation et de jurisprudence en matière de droit commercial général à destination des professions notariales

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See detailEditorials
Fecher-Bourgeois, Fabienne ULg; Thiry, Bernard ULg

in Annals of Public and Cooperative Economics (2008), 79(1), 1-2

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See detailBELGES, WALLONS OU FRANCOPHONES : SOMMES-NOUS OBLIGES DE CHOISIR ?
Italiano, Patrick ULg

in D'autres repères (2008)

Analyse de l'évolution des sentiments d'appartenance belge, wallon et européen de 1988 à 2007, et de la dynamique qui les relie. Mise en perspective avec les événements politiques des différentes périodes ... [more ▼]

Analyse de l'évolution des sentiments d'appartenance belge, wallon et européen de 1988 à 2007, et de la dynamique qui les relie. Mise en perspective avec les événements politiques des différentes périodes traversées. [less ▲]

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See detailExplication et réduction de l’impact des violations d’inégalités triangulaires dans Vivaldi
Cantin, François ULg; Gueye, Cheikh Ahmadou Bamba ULg; Kaafar, Mohamed Ali ULg et al

in CFIP'2008 (2008, March)

Les systèmes de coordonnées sont des systèmes distribués ayant pour but, à partir de mesures de distance (par exemple RTT) entre certaines paires de noeuds, d’associer des coordonnées à chaque noeud dans ... [more ▼]

Les systèmes de coordonnées sont des systèmes distribués ayant pour but, à partir de mesures de distance (par exemple RTT) entre certaines paires de noeuds, d’associer des coordonnées à chaque noeud dans un espace métrique. Toutefois, de tels systèmes ne fonctionnent pas correctement lorsque les distances mesurées ne respectent pas les inégalités triangulaires. Or, les violations de ces inégalités, appelées TIV, sont fréquentes dans l’Internet. Nous proposons une étude approfondie de l’impact des TIV sur le système de coordonnées Vivaldi. Nous quantifions et expliquons les erreurs de prédiction de distance et l’instabilité des coordonnées causées par les TIV selon leur fréquence et leur sévérité. Nous montrons aussi que la distance entre deux noeuds, mesurée par le RTT, est corrélée à la probabilité d’existence d’une TIV. Enfin, nous recommandons un système de coordonnées hiérarchique, et nous montrons, par des simulations sur une matrice de délais réelle, qu’une telle approche réduit l’impact des TIV. [less ▲]

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See detailLes mammifères non volants de la commune de Fernelmont
Libois, Roland ULg; Le Proux de la Rivière, Bettina

in Saintenoy Simon, Jacqueline (Ed.) Le patrimoine d'une commune rurale: Fernelmont (2008, March)

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See detailInterpretation of a tracer test at Brévilles after 2 years of monitoring
Goderniaux, Pascal ULg; Gutierrez, Alexis; Brouyère, Serge ULg

Report (2008)

To understand and predict the behaviour and transfer of diffuse contamination, a small catchment is intensively studied in the vicinity of Paris. A multi tracer test involving a new technique, the FVPDM ... [more ▼]

To understand and predict the behaviour and transfer of diffuse contamination, a small catchment is intensively studied in the vicinity of Paris. A multi tracer test involving a new technique, the FVPDM method (Finite Volume Point Dilution Method - Brouyère et al., 2008) has been performed in natural flow conditions. Injections of four different tracers (uranine, sulforhodamine B, lithium chloride and potassium iodide) took place in four piezometers involving different areas of the aquifer and different depth. This tracer test follows a former test briefly described. A particularly long monitoring (Nov-2005 to Feb-2008) demonstrates the existence of several transport velocities within the sandy layer, which seems linked to the decrease of hydraulic conductivity with depth. Absence of recovery of two tracers confirms the results of the former test and identifies spatial heterogeneities probably due to the geological structure. The new insight and parameter quantification brought by interpretation of these tests contributes to a better characterization of the saturated zone and shall be exploited through modelling for transport predictions of pesticides. [less ▲]

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See detailReport on the development of the Geer Hydrological model. Final results about climate change impacts evaluation.
Goderniaux, Pascal ULg; Brouyère, Serge ULg; Orban, Philippe ULg et al

Report (2008)

In the framework of Workpackage BASIN R3 Meuse, the Hydrology Group of the University of Liège (Belgium) has developed a hydrological model of the Geer sub-catchment, in order to assess climate change ... [more ▼]

In the framework of Workpackage BASIN R3 Meuse, the Hydrology Group of the University of Liège (Belgium) has developed a hydrological model of the Geer sub-catchment, in order to assess climate change impacts on groundwater reserves. The water resource Systems Research Laboratory of the Newcastle University has produced the climate change scenarios applied on the hydrological model. This report describes the methodology used, the implementation of the hydrological model, the climate change scenarios and the results of the study. [less ▲]

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See detailOxytocin Facilitates Female Sexual Maturation through a Glia-to-Neuron Signaling Pathway
Parent, Anne-Simone ULg; Rasier, Grégory ULg; Matagne, V. et al

in Endocrinology (2008), 149(3), 1358-65

It has been earlier proposed that oxytocin could play a facilitatory role in the preovulatory LH surge in both rats and humans. We here provide evidence that oxytocin also facilitates sexual maturation in ... [more ▼]

It has been earlier proposed that oxytocin could play a facilitatory role in the preovulatory LH surge in both rats and humans. We here provide evidence that oxytocin also facilitates sexual maturation in female rats. The administration of an oxytocin antagonist for 6 d to immature female rats decreased GnRH pulse frequency ex vivo and delayed the age at vaginal opening and first estrus. The in vitro reduction in GnRH pulse frequency required chronic blockade of oxytocin receptors, because it was not acutely observed after a single injection of the antagonist. Hypothalamic explants exposed to the antagonist in vitro showed a reduced GnRH pulse frequency and failed to respond to oxytocin with GnRH release. Prostaglandin E(2) (PGE(2)) mimicked the stimulatory effect of oxytocin on GnRH pulse frequency, and inhibition of PG synthesis blocked the effect of oxytocin, suggesting that oxytocin accelerates pulsatile GnRH release via PGE(2). The source of PGE(2) appears to be astrocytes, because oxytocin stimulates PGE(2) release from cultured hypothalamic astrocytes. Moreover, astrocytes express oxytocin receptors, whereas GnRH neurons do not. These results suggest that oxytocin facilitates female sexual development and that this effect is mediated by a mechanism involving glial production of PGE(2). [less ▲]

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See detailMechanisms of Interaction of Endocrine-Disrupting Chemicals with Glutamate-Evoked Secretion of Gonadotropin-Releasing Hormone
Rasier, Gregory; Parent, Anne-Simone ULg; Gerard, Arlette ULg et al

in Toxicological Sciences (2008), 102(1), 33-41

In previous studies, we detected a dichlorodiphenyltrichloroethane (DDT) derivative in the serum of children with sexual precocity after migration from developing countries. Recently, we reported that DDT ... [more ▼]

In previous studies, we detected a dichlorodiphenyltrichloroethane (DDT) derivative in the serum of children with sexual precocity after migration from developing countries. Recently, we reported that DDT stimulated pulsatile gonadotropin-releasing hormone (GnRH) secretion and sexual maturation in the female rat. The aim of this study was to delineate the mechanisms of interaction of endocrine-disrupting chemicals including DDT with GnRH secretion evoked by glutamate in vitro. Using hypothalamic explants obtained from 15-day-old female rats, estradiol (E2) and DDT caused a concentration-related increase in glutamate-evoked GnRH release while p,p'-dichlorodiphenyldichloroethene and methoxychlor had no effect. The effective DDT concentrations in vitro were consistent with the serum concentrations measured in vivo 5 days after exposure of immature rats to 10 mg/kg/day of o,p'-DDT. Bisphenol A induced some stimulatory effect, whereas no change was observed with 4-nonylphenol. The o,p'-DDT effects in vitro were prevented partially by a selective antagonist of the alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) subtype of glutamate receptors. A complete prevention of o,p'-DDT effects was caused by an estrogen receptor (ER) antagonist as well as an aryl hydrocarbon receptor (AHR) antagonist and inhibitors of protein kinases A and C and mitogen-activated kinases. While an intermittent incubation with E2 caused no change in amplification of the glutamate-evoked GnRH release for 4 h, continuous incubation with E2 or o,p'-DDT caused an increase of this amplification after 3.5 h of incubation. In summary, DDT amplifies the glutamate-evoked GnRH secretion in vitro through rapid and slow effects involving ER, AHR, and AMPA receptor mediation. [less ▲]

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See detailFrom Bouncing to boxing
Terwagne, Denis ULg; Gilet, Tristan ULg; Vandewalle, Nicolas ULg et al

Poster (2008, March)

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See detailModelling the influence of activation-induced apoptosis of CD4+ and CD8+ T-cells on the immune system response of a HIV-infected patient
Stan, Guy-Bart; Belmudes, Florence ULg; Fonteneau, Raphaël ULg et al

in IET Systems Biology (2008), 2(2), 94-102

On the basis of the human immunodeficiency virus (HIV) infection dynamics model proposed by Adams, the authors propose an extended model that aims at incorporating the influence of activation-induced ... [more ▼]

On the basis of the human immunodeficiency virus (HIV) infection dynamics model proposed by Adams, the authors propose an extended model that aims at incorporating the influence of activation-induced apoptosis of CD4+ and CD8+ T-cells on the immune system response of HIV-infected patients. Through this model, the authors study the influence of this phenomenon on the time evolution of specific cell populations such as plasma concentrations of HIV copies, or blood concentrations of CD4+ and CD8+ T-cells. In particular, this study shows that depending on its intensity, the apoptosis phenomenon can either favour or mitigate the long-term evolution of the HIV infection. [less ▲]

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See detailEffects of Strontium Ranelate on Spinal Osteoarthritis Progression
Bruyère, Olivier ULg; Delferriere, D.; Roux, C. et al

in Annals of the Rheumatic Diseases (2008), 67(3), 335-9

OBJECTIVE: The aim of this study was to determine whether a 3-year treatment with strontium ranelate could delay the progression of spinal osteoarthritis (OA). METHODS: This study was a post-hoc analysis ... [more ▼]

OBJECTIVE: The aim of this study was to determine whether a 3-year treatment with strontium ranelate could delay the progression of spinal osteoarthritis (OA). METHODS: This study was a post-hoc analysis of pooled data from the Spinal Osteoporosis Therapeutic Intervention (SOTI) and TReatment Of Peripheral OSteoporosis (TROPOS) trials performed on 1105 women with osteoporosis and concomitant radiological spinal OA at baseline, and for whom lumbar x-rays were available at baseline and over the 3-year treatment period. The presence and severity of osteophytes, disc space narrowing and sclerosis in the lumbar intervertebral spaces was graded according to a validated method, and an overall OA score was calculated for each intervertebral space. Back pain (measured on a five-point Likert scale only in SOTI) and health-related quality of life (SF-36 questionnaire) were assessed at baseline and after 3 years. Patients who suffered an incident or progressive vertebral fracture during the study were excluded from the analysis. RESULTS: The proportion of patients with worsening overall spinal OA score was reduced by 42% in the strontium ranelate group, compared with placebo (RR, 0.58; 95% CI, 0.42 to 0.79; p = 0.0005). Significantly more patients in the strontium ranelate group experienced an improvement in back pain after 3 years, compared with placebo (p = 0.03), while no significant difference was observed in terms of health-related quality of life between these patient groups. CONCLUSIONS: The results of this post-hoc analysis suggest that strontium ranelate could reduce the progression of the radiographic features of spinal OA and back pain in women with osteoporosis and prevalent spinal OA. [less ▲]

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See detailEffect of far-infrared radiation assisted drying on microstructure of banana slices: An illustrative use of X-ray microtomography in microstructural evaluation of a food product
Léonard, Angélique ULg; Blacher, Silvia ULg; Nimmol, Chatchai et al

in Journal of Food Engineering (2008), 85(1), 154-162

X-ray microtomography coupled with image analysis represents a non-destructive technique, which allows scanning an entire sample to obtain such information as total pore volume and pore size distribution ... [more ▼]

X-ray microtomography coupled with image analysis represents a non-destructive technique, which allows scanning an entire sample to obtain such information as total pore volume and pore size distribution without the need of serial cuts as in the case of scanning electron microscopy (SEM). The technique has been applied successfully to obtain reliable microstructural information of many products undergoing different physical and chemical processes. However, the technique has still found limited use in food processing. To illustrate the use of X-ray microtomography the technique was applied to investigate the effect of far-infrared radiation (FIR) assisted drying on microstructure of a food product viz. banana. Two representative drying techniques, i.e., low-pressure superheated steam drying (LPSSD) and vacuum drying (VACUUM) were tested. Banana slices were dried by LPSSD-FIR at two different temperatures (80 and 90 degrees C) at a fixed pressure of 7 kPa. The total pore volume and pore size distribution of dried banana slices were then determined using X-ray microtomography. The results were also compared with those of products dried by LPSSD without FIR. Far-infrared radiation was found to modify the structure of the dried bananas by increasing their final porosity. The same effect of FIR was also observed in the case of vacuum drying with FIR (VACUUM-FIR). An increase of the drying temperature was also found to globally lead to an increase in the final porosity of the products. (C) 2007 Elsevier Ltd. All rights reserved. [less ▲]

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See detailLa participation et l'accès des PME aux marchés publics : approche quantitative et qualitative
Van Caillie, Didier ULg; Pichot, Michèle ULg; Houba, Edith ULg et al

in Cahier de Recherche / Working papers de HEC Ecole de Gestion de l'Université de Liège (2008, March), 2008(2008003/002), 20

This working paper highlights the comments and recommandations emerging from a broad survey conducted in Belgian SMEs in 2008 & 2009. It is a part of the final report of a study financed by the Belgian ... [more ▼]

This working paper highlights the comments and recommandations emerging from a broad survey conducted in Belgian SMEs in 2008 & 2009. It is a part of the final report of a study financed by the Belgian SPF Economy. [less ▲]

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See detailLes inventaires forestiers en futaie feuillue: Quelles méthodes pour quels objectifs?
Lejeune, Philippe ULg; Gheysen, Thibaut ULg; Rondeux, Jacques ULg

in Forêt Wallonne (2008), (93), 16-24

L’inventaire forestier par échantillonnage est une méthode qui a fait ses preuves. Cependant, les nouveaux outils de mesures, d’encodage et de traitement apparus récemment ouvrent de nouvelles ... [more ▼]

L’inventaire forestier par échantillonnage est une méthode qui a fait ses preuves. Cependant, les nouveaux outils de mesures, d’encodage et de traitement apparus récemment ouvrent de nouvelles perspectives avec, entre autres, le développement de solutions prêtes à l’emploi. L’une d’elles est exposée ici avec ses qualités et limites. [less ▲]

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See detailGestion du risque de pollution, procédure mise en place pour les sites désaffectés
Defechereux, Olivier ULg; Monin, Miguel; Salpeteur, Vincent et al

in Cahiers de l'Urbanisme (Les) (2008), 67

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See detailThe Ability of Isoinertial Assessment to Monitor Specific Training Effects
Jidovtseff, Boris ULg; Croisier, Jean-Louis ULg; Scimar, Nathalie ULg et al

in Journal of Sports Medicine & Physical Fitness (2008), 48(1), 55-64

AIM: The aim of this study was to investigate the ability of isoinertial assessment to monitor training effects. Both parametric and curve analysis of the results were used to underline the specificity of ... [more ▼]

AIM: The aim of this study was to investigate the ability of isoinertial assessment to monitor training effects. Both parametric and curve analysis of the results were used to underline the specificity of maximal strength and maximal velocity resistance training methods. METHODS: Twenty-four untrained subjects were randomly assigned into three groups: a maximal strength-training group (heavy loads: 80% to 98% of the one repetition maximum [1-RM]), a maximal velocity-training group (light loads: 25% to 50% of 1-RM) and a control group. All the subjects were tested in bench press exercises before and after the 6-week training period. An isoinertial dynamometer was used to assess velocity and power at four increasing loads: 35%, 50%, 70% and 95% of the 1-RM load. Post-test protocol also included a trial at 105% of the 1-RM load. RESULTS: Isoinertial assessment demonstrated for both training groups significant gains at each load. Some specific adaptations appeared: strength training presented a greater increase for average power (+49%, P<0.001) and average velocity (+48%, P<0.001) at 95% of 1-RM, while velocity training emerged as a more effective way to improve performance at 35% and 50% of 1-RM (+11 to 22%) in comparison with strength training (+7 to 12%). The analysis of power and velocity curves specified that strength training enhanced performance earlier in the movement, while velocity training extended the propulsive action at the end of movement. CONCLUSION: The original combination of parametric and curve isoinertial assessment appears to be a relevant method for monitoring specific training effects. The complementarity of both strength and velocity training programmes underlined in this study could lead to practical applications in profiling training programmes. [less ▲]

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See detailA propos de l'action paulienne: quand le créancier poursuit la condamnation du tiers acquéreur au paiement des sommes dues par le débiteur indélicat
Notarnicola, Sandra ULg

in Revue Générale de Droit Civil Belge = Tijdschrift voor Belgisch Burgerlijk (2008)

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