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See detailExperimental evaluation of a pairwise broadcast synchronization in a low-power cyber-physical system
Ghoshdastider, U; Viga, R; Kraft, Michael ULg

in Proceedings of "Radio Wireless Week : San Diego - Janvier 2015" (2015, January)

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See detailEst-il possible de cibler les acquis et les faiblesses des élèves face à la résolution de problèmes arithmétiques dans le cadre d’une évaluation externe non certificative ?
Demonty, Isabelle ULg; Fagnant, Annick ULg

in Detroz, Pascal; Borsu, Olivier (Eds.) Actes du 27e colloque de l'Admée-Europe. L'évaluation à la lumière des contextes et des disciplines. (2015, January)

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See detailRésolution de problèmes arithmétiques et représentations schématiques : comment évaluer l’efficacité d’approches didactiques contrastées ?
Fagnant, Annick ULg; Auquière, Amélie ULg; Vlassis, Joëlle

in Detroz, Pascal; Borsu, Olivier (Eds.) Actes du 27e colloque de l'Admée-Europe. L'évaluation à la lumière des contextes et des disciplines. (2015, January)

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See detailA sensor for stiffness change sensing based on three coupled resonators with enhanced sensitivity
Zhao, C; Wood, GS; Xie, J et al

in Proceedings of "IEEE MEMS Conf. : Portugal - Janvier 2015" (2015, January)

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See detailPortfolio, un outil d’apprentissage et d’évaluation des compétences en formation d’adultes
Pirard, Florence ULg; Lambert, Isabelle ULg

in Detroz, Pascal; Borsu, Olivier (Eds.) Actes du 27e colloque de l'Admée-Europe. L'évaluation à la lumière des contextes et des disciplines. (2015, January)

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See detailEvaluer les apprentissages dans le cadre d'une pédagogie par projet
Scheffers, Patricia ULg; Leduc, Diane; Le Coguiec, Eric

in Actes du 27e Colloque de l'ADMEE Euope (2015, January)

Avant d'être l'affaire des courants de l'éducation nouvelle, la pédagogie par projet était présente dans les discours de formation d'architecture italienne dès le 16e siècle. Aujourd'hui, elle s'inscrit ... [more ▼]

Avant d'être l'affaire des courants de l'éducation nouvelle, la pédagogie par projet était présente dans les discours de formation d'architecture italienne dès le 16e siècle. Aujourd'hui, elle s'inscrit parmi les multiples approches d'une pédagogie différenciée et est utilisée dans plusieurs disciplines, des arts aux sciences, en passant par l'ingénierie et l'administration. Plusieurs écrits existent à son sujet, mais peu s'attardent aux pratiques d'évaluation des apprentissages qu'elle génère. Pourtant, celle-ci est l'un des aspects les plus complexes de l'enseignement et le plus prenant puisque le professeur en est l'unique responsable et qu'il occupe près de la moitié de sa tâche (Laurier, Tousignant et Morrissette, 2005). Dimension fondamentale, et parfois difficile, dans le parcours de l'apprenant, l'évaluation des apprentissages impose actuellement un changement de culture important pour les professeurs, particulièrement lorsqu'il est question de pédagogie par projet. Pour certains d'entre eux, souvent peu formés en enseignement, mais possédant une expérience du métier reconnue, l'évaluation se limite au projet et à sa présentation devant un jury et les pairs au détriment de la qualité de la démarche et surtout des apprentissages réalisés (Allal, 2013; Beattie, 2006; Gaillot, 2009 ; Romainville, 2011). Dans la formation d'architecte, la pédagogie par projet fait partie intégrante du processus d'enseignement, d'apprentissage et d'évaluation. En atelier de projet de 3e bachelier à l'ULg, l'évaluation des apprentissages exclusivement orientés sur le projet a mené, après plusieurs années d'expérimentations, à la création de dispositifs adaptés et spécifiques. S'appuyant sur les principes clés et actuels en évaluation des apprentissages, ces dispositifs tentent de mettre en avant-plan un souci de concordance entre le contenu à enseigner et les méthodes utilisées. Croisant les regards théoriques et pratiques sur le sujet de l'évaluation de performances complexes intégrant créativité et innovation, un bilan des expériences sera établi et tentera de dégager des pistes de régulations pour continuer d'élever le niveau de validité du processus présenté. [less ▲]

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See detailL’évaluation de l’efficacité des approches didactiques : l’art de conjuguer didactique et évaluation ? Symposium du réseau EVADIDA
Fagnant, Annick ULg; Schillings, Patricia ULg

in Detroz, Pascal; Borsu, Olivier (Eds.) Actes du 27e colloque de l'Admée-Europe. L'évaluation à la lumière des contextes et des disciplines. (2015, January)

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See detailProtein hydrolysate for preterm infants
SENTERRE, Thibault ULg

in SENTERRE, Thibault; Rigo, Jacques (Eds.) 86th Nestlé Nutrition Institute Workshop on “Protein in Neonatal and Infant Nutrition: Recent Updates”. (2015)

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See detailAmbulatory system using wearable accelerometers for gait analysis in Parkinson’s disease
Boutaayamou, Mohamed ULg; Demonceau, Marie ULg; Schwartz, Cédric ULg et al

in Proceedings of the 14th Belgian Day on Biomedical Engineering (2015)

We describe a signal-processing algorithm for gait analysis in Parkinson’s disease (PD) using an ambulatory system with wearable accelerometers. This algorithm is versatile enough to detect, on a stride ... [more ▼]

We describe a signal-processing algorithm for gait analysis in Parkinson’s disease (PD) using an ambulatory system with wearable accelerometers. This algorithm is versatile enough to detect, on a stride-by-stride basis, refined gait parameters that quantify subtle gait disturbances in PD in a rater-independent way. [less ▲]

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See detailToponymie et anthroponymie dans l'Atlas linguistique de la Wallonie
Baiwir, Esther ULg

in Germain, Jean; Tamine, Michel (Eds.) Mode(s) en onomastique. Onomastique belgoromane (2015)

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See detailUse of polypropylene fibers coated with nano-silica particles into a cementitious mortar
Coppola, Bartolomeo ULg; Di Maio, Luciano; Scarfato, Paola et al

in POLYMER PROCESSING WITH RESULTING MORPHOLOGY AND PROPERTIES: FEET IN THE PRESENT AND EYES AT THE FUTURE (2015)

Fiber reinforced cementitious composite (FRCC) materials have been widely used during last decades in order to overcome some of traditional cementitious materials issues: brittle behaviour, fire ... [more ▼]

Fiber reinforced cementitious composite (FRCC) materials have been widely used during last decades in order to overcome some of traditional cementitious materials issues: brittle behaviour, fire resistance, cover spalling, impact strength. For composite materials, fiber/matrix bond plays an important role because by increasing fiber/matrix interactions is possible to increase the behaviour of the entire material. In this study, in order to improve fiber to matrix adhesion, two chemical treatments of polypropylene fibers were investigated: alkaline hydrolysis and nano-silica sol-gel particles deposition. Treatmtents effect on fibers morphology and mechanical properties was investigated by scanning electron microscopy (SEM) and tensile tests. SEM investigations report the presence of spherical nano-silica particles on fiber surface, in the case of sol-gel process, while alkaline hydrolysis leads to an increase of fibers roughness. Both treatments have negligible influence on fibers mechanical properties confirming the possibility of their use in a cementitious mortar. Pullout tests were carried out considering three embedded length of fibers in mortar samples (10, 20 and 30 mm, respectively) showing an increase of pullout energy for treated fibers. The influence on fiber reinforced mortar mechanical properties was investigated by three-point flexural tests on prismatic specimens considering two fibers length (15 and 30 mm) and two fibers volume fractions (0.50 and 1.00 %). A general increase of flexural strength over the reference mix was achieved and an overall better behaviour is recognizable for mortars containing treated fibers. [less ▲]

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See detailThalamic volume as a biomarker for Disorders Of Consciousness. Progress in Biomedical Optics and Imaging
Rubeaux, M; Mahalingam, J; Gomez, F et al

in Proceedings of SPIE (2015)

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See detailESTETROL AND ITS NEUROPROTECTIVE EFFECT IN NEONATAL HYPOXIC-ISCHEMIC ENCEPHALOPATHY
Tskitishvili, Ekaterine ULg; Nisolle, Michelle ULg; Noël, Agnès ULg et al

in The 12th World Congress of Perinatal Medicine, Madrid, 3-6 November 2015 (2015)

Perinatal hypoxic-ischemic encephalopathy (HIE) occurs in 1-8 cases per live 1000 births. Brain hypoxia and ischemia due to systemic hypoxemia and reduced cerebral blood flow (CBF) are the primary causes ... [more ▼]

Perinatal hypoxic-ischemic encephalopathy (HIE) occurs in 1-8 cases per live 1000 births. Brain hypoxia and ischemia due to systemic hypoxemia and reduced cerebral blood flow (CBF) are the primary causes of neonatal HIE accompanied by gray and white matter injuries occurring in neonates. About 20% of affected newborns die in the postnatal period, and an additional 25% will sustain childhood disabilities. So far no medical treatment provides important neuroprotection against HIE. Studies of new neuroprotective agents in animal models of HIE may provide important information pertinent to the development of treatments for this pathological condition. Estetrol (E4) is a recently described estrogen with four hydroxyl-groups that is synthesized exclusively during pregnancy by the human fetal liver. It has important antioxidative activity. In this study, in vitro we defined antioxidative effect of E4 on primary hippocampal cell cultures, taken from newborn rat pups, before/after induction of oxidative stress. To examine oxidative stress and cell viability, lactate dehydrogenase (LDH) activity and cell survival (MTS) assays were performed on primary neuronal cell cultures. To study the neuroprotective and therapeutic effects of E4 in vivo neonatal HIE model of 7-day-old newborn rat pups was used. Rat pups body temperatures were examined along with their body and brain weights. Brains were studied at the level of the hippocampus and cortex. Intact cell counting and expressions of markers for neuronal cell viability (microtubule-associated protein-2 (MAP-2)), neurogenesis (doublecortin (DCX)) and angiogenesis (vascular-endothelial growth factor (VEGF)) were evaluated by histo- and immunohistochemistry. The serum levels of brain damage markers (S100B and glial fibrillary acidic protein (GFAP)) were measured by ELISA. Our results demonstrate for the first time that E4 has a significant neuroprotective and therapeutic effects. Also, E4 has powerful antioxidative and cell survival properties in vitro. It decreases the early gray matter loss and promotes neuro- and angiogenesis in vivo. Estetrol treatment has no effects on body weight, brain weight or body temperature. Taken together, E4 might become an important safe and physiological substance to treat neonatal HIE. [less ▲]

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See detailExpressions verbales de la présence française en Italie entre xve et xvie siècles
Dumont, Jonathan ULg

in Vissière, Laurent; Hablot, Laurent (Eds.) Cris, Jurons et Chansons. Entendre les « paysages sonores » du Moyen Age et de la Renaissance (2015)

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See detailLa fin du Paléolithique moyen dans le Nord de l’Europe : la question des origines du Lincombien-Ranisien-Jerzmanowicien
Flas, Damien ULg

in Depaepe, Pascal; Goval, Emilie; Koehler, Héloïse (Eds.) et al Les plaines du Nord-Ouest : carrefour de l’Europe au Paléolithique moyen ? (2015)

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See detailDuality of migrant lives: Gendered migration and agricultural production in Red River Delta region, Vietnam
Nguyen Thi, Dien; Nguyen Thi Minh Khué, ULg; Ngo Trung, Thanh et al

in Académie de Recherche et d'Enseignement Supérieur (ARES) (Ed.) ARES "Gender, migration and rural development" (2015)

This research analyzes the gender dimensions of labor migration and agricultural production among farm households in Red River Delta region of Vietnam. Through surveying 215 households in Bac Ninh ... [more ▼]

This research analyzes the gender dimensions of labor migration and agricultural production among farm households in Red River Delta region of Vietnam. Through surveying 215 households in Bac Ninh province, the paper explores impacts of female and male migration on agricultural production and its implications on rural development. The results show that in comparison to male migration household, the female one tends to focus on agricultural production by taking the opportunities to rent more land (26.3%) and effective use their own allocated land for agricultural production (97.4%). The overall impacts of migration on agricultural production are the aging of farm labor force (49.6 year old in average) and higher female participation in agricultural production. The findings suggest that female migrants have a greater contribution in agriculture production both in term of working time and agricultural capital investment while male migrants enhance household income by accumulating capital outside agriculture. Through the gender lens, this research emphasizes the duality in the nature of migrant lives and the implications of rural labor migration on the fixed categories. [less ▲]

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See detailY a-t-il une filiation entre la structure des fiches de malades dans les Épidémies hippocratiques et celle des rapports médicaux grecs d’Égypte (Ier-IVe siècles) conservés sur papyrus ?
Ricciardetto, Antonio ULg

in Charlier, Philippe (Ed.) Actes du Ve Colloque international de Pathographie. Bergues, mai 2013 (2015)

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See detailPredictive simulations of damage propagation in laminated composite materials and structures with SAMCEF
Bruyneel, Michaël ULg; Naito, Tadashi; Urushiyama, Yuta et al

in SAE World Congress 2015 (2015)

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See detailLearning the Tactile Signatures of Prototypical Object Parts for Robust Part-based Grasping of Novel Objects
Hyttinen, Emil; Kragic, Danica; Detry, Renaud ULg

in IEEE International Conference on Robotics and Automation (2015)

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See detailTracking a table tennis ball for umpiring purposes
Myint, H.; Wong, P.; Dooley, L. et al

in Machine Vision Applications (MVA), 2015 14th IAPR International Conference on,  (2015)

This study investigates tracking a table-tennis ball rapidly from video captured using low-cost equipment for umpiring purposes. A number of highly efficient algorithms have been developed for this ... [more ▼]

This study investigates tracking a table-tennis ball rapidly from video captured using low-cost equipment for umpiring purposes. A number of highly efficient algorithms have been developed for this purpose. The proposed system was tested using sequences capture from real match scenes. The preliminary results of experiments show that accurate and rapid tracking can be achieved even under challenging conditions, including occlusion and colour merging. This work can contribute to the development of an automatic umpiring system and also has the potential to provide amateur users with open access to a detection tool for fast-moving, small, round objects. [less ▲]

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See detailCorneille, bâtard de Bourgogne (ca 1426-1452)
Marchandisse, Alain ULg

in Bousmar, Éric; Marchandisse, Alain; Masson, Christophe (Eds.) et al La bâtardise et l'exercice du pouvoir en Europe du XIIIe au début du XVIe siècle (2015)

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See detailRamses. An Annotated Corpus of Late Egyptian
Winand, Jean ULg; Polis, Stéphane ULg; Rosmorduc, Serge

in Lazaridis, N.; Kousoulis, P. (Eds.) Proceedings of the 10th International Congress of Egyptologists. University of the aegean, rhodes 22-29 May 2008 (2015)

First official presentation of the "Ramses Project", an richly annotated corpus of Late Egyptian [Paper submitted in 2008/2009]

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See detailIn vitro assessment of novel carbohydrates prebiotic potential in a co-inoculation model of the pig intestines
Tran, Thi Hanh Tham ULg; Boudry, Christelle ULg; Everaert, Nadia ULg et al

in Book of Abstracts (2015)

Introduction: Innovative plant biomass fractionation methods produce new feed additives that could modulate the pig intestinal microbial population. Material and methods: Such novel indigestible ... [more ▼]

Introduction: Innovative plant biomass fractionation methods produce new feed additives that could modulate the pig intestinal microbial population. Material and methods: Such novel indigestible carbohydrates (CHO) were investigated for their prebiotic potential and their influence on Salmonella thyphimurium in a co-inocu¬lation in vitro fermentation model of the pig intestines. Inulin, cellobiose, pecto- (POS), iso-malto- (IMOS), xylo-oligosaccharides (XOS), and gluconic acid (GLU) were fermented by fecal microbes for 72h. Salmonella (7.3 log CFU/ml) were co-inoculated after 6h . Fer¬mentation kinetics was modeled and after 6, 12, 24 h, broth was analysed for short-chain fatty acid using HPLC and bacterial population using q-PCR. Results and discussion: Cellobiose was the fastest fermenting CHO followed by inulin and IMOS (P<0.01). After 6h, cellobiose yielded the highest SCFA production (684 mg/g) and lactate molar ratio (0.484). POS fermented slower. XOS and GLU were little fermented (150 and 175 mg SCFA/g after 24h). Nonetheless, GLU yielded the highest butyrate molar ratio (0.290 at 12h) (P<0.01). Although Salmonella counts did not differ, some CHO dis¬played obvious prebiotic properties, namely inulin and IMOS since they supported the highest growth of Lactobacilli and Bifidobacteria populations after 6 and 12h of fermen¬tation (8.18 to 8.56 log CFU/ml) (P<0.01). Cellobiose and GLU scored well for Lactobacilli too, but poorly for Bifidobacteria (6.41 to 6.92 log CFU/ml) (P<0.01). It is concluded that IMOS seem the most promising prebiotic but owing to their fermentation patterns yield¬ing high levels of lactate or butyrate, also cellobiose and GLU deserve further investigation in in vivo models. [less ▲]

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See detailParametric Modeling: An Advanced Design Process for Architectural Education
Gallas, Mohamed Anis ULg; Jacquot, Kevin; Jancart, Sylvie ULg et al

in ECAADe 33 (2015)

The first part of this paper is giving an overview, experimentation results and feedbacks of a six years experience of parametric design education in schools of architecture from France and Belgium. The ... [more ▼]

The first part of this paper is giving an overview, experimentation results and feedbacks of a six years experience of parametric design education in schools of architecture from France and Belgium. The second part addresses a structure of an advanced educational process of parametric modeling able to support architectural design praxis [less ▲]

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See detailCorps commun et rupture anthropologique dans la schizophrénie
Englebert, Jérôme ULg

in Penser la psychose : actes du colloque du 14-16 novembre 2013 (2015)

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See detailThe extreme ultraviolet imager of solar orbiter: optical design and alignment scheme
Halain, Jean-Philippe ULg; Mazzoli, Alexandra ULg; Meining, S. et al

in SPIE Optical Engineering+ Applications (2015)

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See detailThe Syntax-Semantics Interface in Earlier Egyptian: a Case Study in Verbs of Cognition
Winand, Jean ULg

in Allen, James P.; Collier, Mark; Stauder, Andréas (Eds.) Coping with Obscurity: the Brown Workshop on Earlier Egyptian Grammar (2015)

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See detailA quantitative approach to the concept of concrete repair compatibility
Bissonnette, Benoît; Modjabi-Sangnier, François; Courard, Luc ULg et al

in Dehn, Frank; Beushausen, Hans (Eds.) Concrete Repair, Rehabilitation and Retrofitting IV (2015)

The work reported in this paper is part of a wider research program intended to provide the repair industry with improved fundamental knowledge to implement rational design methods and rules for repairs ... [more ▼]

The work reported in this paper is part of a wider research program intended to provide the repair industry with improved fundamental knowledge to implement rational design methods and rules for repairs. In that regard, there is a strong need to study the fundamental relationships and parameters that underlie the repair compatibility concepts, in particular those relating to dimensional compatibility. In the first part of the paper, classical formulas derived for thick cylindrical specimens were used to analyze the tensile stress buildup in annular restrained shrinkage test specimens, taking into account the restraining conditions the investigated ring test method and the individual concrete properties/phenomena determined experimentally (elastic modulus, creep coefficient, drying shrinkage deformation). By comparing the ring test results with the calculated tensile stresses, the validity and accuracy of the theoretical approach could be appraised. A quantitative approach for the evaluation of the performance of concrete repair in terms of dimensional compatibility was then developed. Derived from the basic strain balance approach (ratio between the total deformability in tension and the drying shrinkage deformation), a parameter referred to as dimensional compatibility index (CI) was introduced in order to analyze the evolution of dimensional compatibility as a function of time for a given concrete mixture, taking into account the actual degree of restraint in the element. Compatibility index evolution curves were calculated for various repair concrete mixtures in order to highlight material behavior relating to composition parameters and temperature. As it requires the evaluation of a limited number of individual properties that are for most readily available (i.e. strength, elastic modulus, shrinkage), the compatibility index expressed in terms of deformation carries a lot of potential as a relatively simple and convenient analytical tool for assessing the cracking sensitivity of concrete repair materials. Overall, it can be stated that a good correlation was found between the ring test results and the tensile stress values calculated based on individual concrete properties / phenomena and that the proposed calculation method lays ground for evaluating quantitatively the dimensional compatibility of repair materials and defining suitable performance criteria. [less ▲]

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See detailShear bolted connections for tubular racking structures: Numerical analysis
D'Antimo, Marina ULg; Demonceau, Jean-François ULg; Jaspart, Jean-Pierre ULg et al

in Proceeding of XXV Congresso CTA: Salerno 1-3 ottobre 2015 (2015)

The prediction of the shear resistance of connections as presently given in Eurocode 3, Part 1-8, cannot be applied in a straightforward way to the connection for tubular racking structures realized by ... [more ▼]

The prediction of the shear resistance of connections as presently given in Eurocode 3, Part 1-8, cannot be applied in a straightforward way to the connection for tubular racking structures realized by means of long through bolts. In order to verify the possibility to extend the codified approach to such joint configurations, in the present paper a finite element model with three-dimensional solid elements is established investigating the behaviour of the connections under shear load in a wide range of variability of the geometrical parameters. The validation of the numerical model has been performed starting from the results of experimental tests already performed by the authors at the laboratory on Materials and Structures of the University of Liège. Based on the finite element results, the load displacement curves for all the assemblies were successfully predicted evidencing the important role played by the hole’s geometry and reduced diameter of the bolts on the initial stiffness of the connections. The results of a parametric study by means of a calibrated FE model in Abaqus/CAE allowed to verify the possibility to extend the formulations provided by EC3 for predicting the bearing resistance of plates to these kind of connections and to analyse the influence of the main parameters governing the bearing resistance: the distance e1 between the hole and the edge of the tube, the distance e2 between the hole and the lateral edge of the plate composing the tube section and the thickness t of the tube. [less ▲]

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See detailAntoninos de Cos, les lophoura et les soins vétérinaires
Marganne, Marie-Hélène ULg

in Doyen-Higuet, Anne-Marie; Van den Abeele, Baudouin (Eds.) Chevaux, chiens, faucons. L’art vétérinaire antique et médiéval à travers les sources écrites, archéologiques et iconographiques (Louvain-La-Neuve, 24-26 mars 2011) (2015)

Poursuivant les recherches ébauchées à propos d'Antoninos de Cos, dont le nom apparaît, à propos de soins vétérinaires, dans un papyrus grec daté du début du IIIe siècle de notre ère réédité récemment par ... [more ▼]

Poursuivant les recherches ébauchées à propos d'Antoninos de Cos, dont le nom apparaît, à propos de soins vétérinaires, dans un papyrus grec daté du début du IIIe siècle de notre ère réédité récemment par nos soins (Matière médicale ou doxographie ? Révision de PSI inv. 3011 [MP3 2388], dans V. Boudon-Millot – A. Garzya – J. Jouanna & A. Roselli (éd.), Histoire de la tradition et édition des médecins grecs. Actes du VIe Colloque international, Paris, 12-14 avril 2008, Napoli, 2010, pp. 43-59 [Collectanea, 27]), on s'attache à rassembler les fragments qui pourraient être attribués à cet auteur, qu'ils relèvent de la médecine humaine ou vétérinaire, à retracer tant leur contexte chronologique que les étapes de leur transmission, à analyser leur contenu et à définir enfin leur apport à la connaissance de l'art vétérinaire antique et de son expression écrite. [less ▲]

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See detailImpact on laminated composite plates: comparison of test and simulation results obtained with LMS Samtech SAMCEF
Bruyneel, Michaël ULg; Maurice, Verenne; Carrella, Delphine et al

in V ECCOMAS Thematic Conference on the Mechanical Response of Composites (2015)

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See detailStrength analysis of CFRP composite material considering multiple fracture modes
Naito, Tadashi; Urushiyama, Yuta; Bruyneel, Michaël ULg

in SAE World Congress 2015 (2015)

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See detailFundamental approach for the concept of concrete repair compatibility
Courard, Luc ULg; Bissonnette, Benoît; Garbacz, Andrzej

in Dehn, Frank (Ed.) Concrete Repair, Rehabilitation and Retrofitting IV (2015)

Before being translated in terms of physical, mechanical and chemical of materials, the initial step for evaluating compatibility is interface creation. The thermodynamic properties of the materials as ... [more ▼]

Before being translated in terms of physical, mechanical and chemical of materials, the initial step for evaluating compatibility is interface creation. The thermodynamic properties of the materials as well as transport mechanisms – diffusion, capillary succion – at the interface and roughness of the concrete substrate are acting from the beginning and influencing the durability of the bond strength. A review of the main parameters influencing bond development is presented on the base of the equilibrium of the surface free ener-gies of liquid and solid, applied to the concept of repair mortars, coating and hydrophobic treatments [less ▲]

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See detailExperimental Validation of Structural Damping Models for Tape Springs
Dewalque, Florence ULg; Bruls, Olivier ULg

in Proceedings of the 6th European Conference for Aerospace Sciences (EUCASS) (2015)

The objective of this paper is to study the effect of structural dissipation on the dynamic response of tape springs using experimentally-validated finite element models. In order to reach this goal, an ... [more ▼]

The objective of this paper is to study the effect of structural dissipation on the dynamic response of tape springs using experimentally-validated finite element models. In order to reach this goal, an experimental set-up is built. It consists of two tape springs connected to a fixation support and a dummy panel. The data are collected through a force plate and a 3D motion analysis system. The post-treatment of the experimental results and a comparison with a finite element model show that the Kelvin-Voigt model gives a fair approximation of the structural damping for small oscillations, however, more advanced model should be considered in future works for a better understanding in case of large displacements. [less ▲]

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See detailLes boitiers de vote électroniques, de l’outil d’évaluation interactive au dispositif d’apprentissage actif
Younes, Nathalie; Soulier, Sebastien; Detroz, Pascal ULg

in Detroz, Pascal; Borsu, Olivier (Eds.) Actes du 27ème colloque de l ADMEE Europe : l'évaluation à la lumière des contextes et des disciplines (2015)

Outil d’évaluation interactive, les boitiers de vote, apparaissent comme un outil propice à la mise en œuvre d’une pédagogie favorisant l’engagement de tous les étudiants dans le cours et en permettant ... [more ▼]

Outil d’évaluation interactive, les boitiers de vote, apparaissent comme un outil propice à la mise en œuvre d’une pédagogie favorisant l’engagement de tous les étudiants dans le cours et en permettant une régulation du processus enseignement/apprentissage « on line ». La littérature déjà abondante apporte des éléments qui vont dans ce sens bien que certains résultats viennent également questionner les bénéfices cognitifs des BVE. Parallèlement aux comptes-rendus d’expérience, les recherches, essentiellement quantitatives, s’intéressent davantage aux appréciations des acteurs et aux performances des étudiants qu’à l’observation des usages en situation. Afin d’appréhender l’utilisation effective des BVE dans les cours, des études de cas approfondies ont été conduites à l’université Blaise Pascal selon un protocole de recueil de données reposant sur des entretiens conduits avec les enseignants avant et après des séances de cours observées et filmées ainsi qu’un recueil des points de vue des étudiants. A partir des résultats obtenus, nous avons construit un schéma théorique visant à modéliser les dimensions structurantes de l’apprentissage actif avec les boitiers qui sera présenté lors de la communication. [less ▲]

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See detailThe mata'a and the "collapse hypothesis"
Flas, Damien ULg

in De Dapper, Morgan; Cauwe, Nicolas; Huyghe, Dirk (Eds.) Easter Island. Collapse or Transformation ? A State of the Art. Proceedings of the International Conference of Bruxelles (November 9th-10th 2012) (2015)

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See detailStructuring the lexicon
Polis, Stéphane ULg; Winand, Jean ULg

in Lazaridis, N.; Kousoulis, P. (Eds.) Proceedings of the 10th International Congress of Egyptologists. University of the aegean, rhodes 22-29 May 2008 (2015)

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See detailInventer. Le jeune Descartes et les voies de l’inventio en 1619-1620
Dubouclez, Olivier ULg

in Agostini, Sigried; Leblanc, Hélène (Eds.) Le fondement de la science. Les dix premières années de la philosophie cartésienne (1609-1628) (2015)

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See detailMonte Carlo Simulations of Autorotative Dynamics of a Simple Tower Crane Model
Vanvinckenroye, Hélène ULg; Denoël, Vincent ULg

in Proceedings of the 14th International Conference on Wind Engineering (2015)

The increasing number of crane accidents recorded over the last years might be understood as a need for progress on crane modeling. The induced risk of self-excited vibrations has already been ... [more ▼]

The increasing number of crane accidents recorded over the last years might be understood as a need for progress on crane modeling. The induced risk of self-excited vibrations has already been investigated through numerous experiments. This work presents a simple numerical model of a crane in a turbulent wind field, in order to support the available experimental approaches. First, the problem is defined with the necessary assumptions of the model. Second, the equation of motion is developed and wind characteristics are detailed. This equation presents several specificities requiring dedicated resolution methods. In a first analysis, the crane model is simplified in order to approach the behavior of the parametric pendulum and enable a general comparison of both responses. Indeed, the parametric pendulum is a well-known problem that is already widely described in the literature. In a second step, the response of the crane is studied under a realistic stochastic wind load with the full model. [less ▲]

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See detailBLOGUES DES ENSEIGNANTS ET IDENTITÉS NUMÉRIQUES
Vintila, Elena-Georgiana ULg

in Ţenescu, Alina; Florea, Aurelia (Eds.) IDENTITATE SI VARIAŢIE DISCURSIVĂ (2015)

Un enseignant est un être social, sa pratique dans la classe n’est qu’une composante de la complexité qui le caractérise. Dehors de la classe, ou comme un prolongement de celle-ci, les professeurs se ... [more ▼]

Un enseignant est un être social, sa pratique dans la classe n’est qu’une composante de la complexité qui le caractérise. Dehors de la classe, ou comme un prolongement de celle-ci, les professeurs se mettent à animer des blogues. Blogues des professeurs de FLE, blogues professionnels. Linguistiquement, les blogues des professeurs se classent du côté de l’ « identité » et de l’ « image de soi ». [less ▲]

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See detailX-Linked acro-gigantism (X-LAG) syndrome : two new cases with long-term follow-up
Daly, Adrian ULg; Cuny, T; Rabl, w et al

in Abstract book - 4th ENEA Workshop topic : acromegaly (2015)

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See detailLIGHTWEIGHT CEMENTITIOUS MORTAR MADE WITH FOAMED PLASTIC WASTE AGGREGATES
Coppola, Bartolomeo ULg; Di Maio, Luciano; Courard, Luc ULg et al

in Durability and Sustainability of Concrete Structures – Workshop Proceedings, Bologna 1-3 October 2015 (2015)

In recent years the increasing interest for eco-sustainable building materials and the rising issue of plastic waste disposal are leading to the engineering of new composite construction materials ... [more ▼]

In recent years the increasing interest for eco-sustainable building materials and the rising issue of plastic waste disposal are leading to the engineering of new composite construction materials incorporating post consumer recycled plastics, able at the same time to meet new standard requirements, in terms of energy efficiency, and to reduce the consumption of natural resources. In the context of these issues, we have performed investigations on the effects of the addition of foamed artificial aggregates deriving from recycled plastic materials to a cementitious mortar. For this purpose, several mortar samples containing natural sand and different amounts (10, 25 and 50 % by volume) of foamed recycled plastic wastes were produced. The foaming of the recycled plastic waste was performed in laboratory by a foam extrusion process using a blowing agent (2 wt.%). An artificial aggregates particle size distribution similar to standard sand was used. Rheological and physical properties of lightweight mortar were studied. The improved surface roughness of foamed plastic aggregates ensures a more continuous interface and the presence of surface pores provides interlocking effect with cement paste. Replacement of natural sand by artificial aggregates produces a lightweight mortar but reduces mechanical properties. [less ▲]

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See detailA Lower Tournaisian (Hastarian) silicified brachiopod-coral fauna from South Belgium
Denayer, Julien ULg; Mottequin, Bernard; Poty, Edouard

in Bernecker, Michaela (Ed.) 12th International Symposium on Fossil Cnidaria and Porifera 2015 - Abstract Volume (2015)

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See detailExperimental performance of a piston expander in a smallscale organic Rankine cycle
Oudkerk, Jean-François ULg; Dickes, Rémi ULg; Dumont, Olivier ULg et al

in IOP Conf. Series: Materials Science and Engineering 90 (2015) (2015)

Volumetric expanders are suitable for more and more applications in the field of micro- and small-scale power system as waster heat recovery or solar energy. This paper present an experimental study ... [more ▼]

Volumetric expanders are suitable for more and more applications in the field of micro- and small-scale power system as waster heat recovery or solar energy. This paper present an experimental study carried out on a swatch-plate piston expander. The expander was integrated into an ORC test-bench using R245fa. The performances are evaluated in term of isentropic efficiency and filling factor. The maximum efficiency and power reached are respectively 53% and 2 kW. Inside cylinder pressure measurements allow to compute mechanical efficiency and drown P-V diagram. A semi-empirical simulation model is then proposed, calibrated and used to analyse the different sources of losses. [less ▲]

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See detailEconomie sociale et transitions polycentriques
Bauwens, Thomas ULg; Mertens de Wilmars, Sybille ULg

in De Keuleneer, Eric; Rentier, Bernard; Artige, Lionel (Eds.) et al La croissance: réalités et perspectives (2015)

Les nombreux défis que représente la transition sociale et écologique vers une société post-croissance constituent des problèmes typiques d’action collective. La littérature récente consacrée à ces ... [more ▼]

Les nombreux défis que représente la transition sociale et écologique vers une société post-croissance constituent des problèmes typiques d’action collective. La littérature récente consacrée à ces derniers met en exergue la notion de système « polycentrique » de gouvernance des biens publics, qui implique une multiplicité de centres de décision indépendants partageant un ensemble de règles communes. Un système polycentrique suppose également un degré élevé de participation citoyenne auto-organisée. Les formes organisationnelles adaptées pour encadrer l’action citoyenne ont cependant été jusqu’à présent peu étudiées, à tout le moins dans leur lien avec la transition. Cet article vise à combler ce vide et à explorer les rôles que peuvent jouer les organisations d’économie sociale à cet égard. Nous montrons comment leurs spécificités organisationnelles les rendent aptes à encadrer l’action citoyenne auto-organisée et donc à favoriser la mise en place de systèmes de gouvernance polycentrique de la transition social-écologique. Enfin, nous appliquons cette grille de lecture à deux domaines d’activité : l’énergie et l’alimentation. [less ▲]

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See detailPrécipitations ‘extrêmes’ et inondations à Ouagadougou ; quand le développement urbain est mal maîtrisé...
Hangnon, Hugues; de Longueville, Florence; Ozer, Pierre ULg

in Erpicum, Michel (Ed.) Actes du 28e Colloque International de l’Association Internationale de Climatologie (2015)

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See detailModeling accessibility to schools: the case of Wallonia, Belgium
Maldague, Hubert ULg; Teller, Jacques ULg; Cools, Mario ULg

in Rasouli, Soora; Timmermans, Harry (Eds.) Current Issues in Transportation Research, Proceedings of the BIVEC/GIBET Transport Research Days 2015 (2015)

Several recent studies about school mobility highlighted the significant decline of active modes and public transport's modal shares. Associated with this decline, it can be observed that distances ... [more ▼]

Several recent studies about school mobility highlighted the significant decline of active modes and public transport's modal shares. Associated with this decline, it can be observed that distances between home and schools have been rising the last two decades. To develop appropriate policies alleviating the negative effects of the increased motorization in the school commute, a diagnosis of probable causes is required. To perform this diagnosis, we develop an accessibility-based methodology using data stemming from the Belgian national household travel (BELDAM) survey. Gamma-functions are calibrated to describe the use of different transport modes according to their relative travel times. Data from OpenStreetMap are used to describe the Walloon roads network in terms of the maximum allowed vehicle speed and length for each link. Properties of the network are modified to match with other transport modes. Maps of accessibility to schools are computed for each transport mode by merging the value of access time represented by isochrones and the calibrated gamma-functions. [less ▲]

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See detailTechnology Assessment in East Asia: Experiences and New Approaches
Moniz, Antonio; Yoshizawa, Go; Van Oudheusden, Michiel ULg

in Scherz, Constanze (Ed.) Proceedings from the PACITA 2015 Conference - The Next Horizon of Technology Assessment (2015)

Technology assessment (TA) and TA-like activities in countries like Japan have a unique history and continue to play a role in contemporary science, technology, and innovation (STI) processes. The aim of ... [more ▼]

Technology assessment (TA) and TA-like activities in countries like Japan have a unique history and continue to play a role in contemporary science, technology, and innovation (STI) processes. The aim of the discussion of TA’s experience in East Asia is how STI governance is locally enacted in Asian knowledge-driven economies, as TA activities develop in conjunction with STI policies and programs. To render these processes, policies, and programs visible and to understand their implications for STI governance, a panel at the Berlin conference on TA discussed contributions that described and conceptualized, for example, how TA activities have emerged in Asian knowledge-based economies (KBE), in which particular forms (e.g., academic and parliamentary TA programs), to which technologies and/or actors they are linked, and which methods are used and why. The panel also sought to compare and contrast how TA is (or is not) institutionalized in Asian countries and regions, and to point to prospects for expansion of TA capacity. In doing so, the panellists placed the development of TA in a historical, sociological, and comparative perspective, and opened space for critical reflection on the potential, problems, and limitations associated with initiating TA in Asia and with KBEs overall. [less ▲]

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See detailInstruments for collective design in a professional context : Digital format or new processes
Ben Rajeb, Samia ULg; Leclercq, Pierre ULg

in Proceedings of the eighth International Conference on Advances in Computer-Human Interactions, ACHI 2015 (2015)

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See detailMechanical behaviour of tape springs used in the deployment of reflectors around a solar panel
Dewalque, Florence ULg; Collette, Jean-Paul; Bruls, Olivier ULg

in Proceedings of the 6th International Conference on Mechanics and Materials in Design (M2D) (2015)

In order to increase the production of power on small satellites, large solar panels are commonly deployed and, in some cases, reflectors are added to improve the concentration factor on solar cells. In ... [more ▼]

In order to increase the production of power on small satellites, large solar panels are commonly deployed and, in some cases, reflectors are added to improve the concentration factor on solar cells. In this work, reflectors are deployed by the means of compliant mechanisms known as tape springs. Their attractive characteristics are, among others, their passive behaviour, their self-locking capacity, their elastic deformations and their robustness. It is shown here through parametric studies that the behaviour of a tape spring is mainly governed by its geometry. Thus, for each specific application, its dimensions must be determined in order to minimise two critical features: the maximum stresses affecting the structure and the maximum amplitudes of motion during deployment. In this paper, an optimisation procedure is proposed to meet these requirements. [less ▲]

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See detailInvolvement of the Distinctiveness Heuristic in Children's Decision Making
Geurten, Marie ULg; Willems, Sylvie ULg; Meulemans, Thierry ULg

in International Convention of Psychological Science: ICPS, Amsterdam 2015 (2015)

Over the past decades, researchers studying adult metacognition have placed a heavy emphasis on how expectations and naïve theories about memory functioning can improve memory accuracy through the ... [more ▼]

Over the past decades, researchers studying adult metacognition have placed a heavy emphasis on how expectations and naïve theories about memory functioning can improve memory accuracy through the implementation of some metacognitive rules. By contrasts, however, research on metacognition in children has only recently started to pay attention to the influence of these heuristic-based judgments on decision making. Generally, the results of these studies indicate that memory decisions are already based on some heuristics by the ages of 7-8 years. Thus far, the question of whether younger children can do the same has widely gone unexamined. The present experiment investigates whether young children are able to reduce their false recognitions rate after distinctive encoding through the implementation of a strategic metacognitive rule. Specifically, we examine the use of a retrieval strategy called the distinctiveness heuristic whereby people infer that an event has not occurred when they cannot remember expected memorial information about it. Seventy-two children, aged 4, 6, and 9 years, studied two lists of unrelated items. One of these lists was visually displayed (picture/dictinctive condition) while the other was presented auditorily (word/no-distinctive condition). After each study phase, participants completed recognition tests. Finally, they answered questions about their explicit knowledge of the distinctive-encoding effect. The results revealed that even the youngest children in our sample showed a smaller proportion of intrusions in the picture condition than in the word condition. Furthermore, the findings of the signal detection analyses are consistent with the hypothesis that the lower rate of false recognitions after picture encoding results from the implementation of a conservative response criterion based on the participants’ metacognitive expectations (distinctiveness heuristic). Moreover, the absence of correlation between children’s explicit knowledge of the distinctiveness rule and their effective use of this metacognitive heuristic seems to indicate that its involvement in memory decisions could be mediated by implicit mechanisms. [less ▲]

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See detailOn the projective geometry of Kalman filter
Carli, Francesca Paola ULg; Sepulchre, Rodolphe ULg

in Proc. of 54th IEEE Conference on Decision and Control (CDC), 2015 (2015)

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See detailPotential use of milk based biomarkers to assess and to select for heat tolerance in dairy cattle
Hammami, Hedi ULg; Vandenplas, Jérémie; Vanrobays, Marie-Laure ULg et al

in Proceedings of the second DairyCare Conference 2015 (2015)

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See detailGIS-Based Landslide Susceptibility Mapping in the Great Lakes Region of Africa, Case Study of Bujumbura Burundi
Nibigira, Léonidas ULg; Draidia, Salah ULg; Havenith, Hans-Balder ULg

in Engineering Geology for Society and Territory - Volume 2: Landslide Processes (2015)

Abstract: Landslides in Central Africa represent a constant threat to the population. The present work took its motivation from the increasing number of recorded incidents in recent times. It is focused ... [more ▼]

Abstract: Landslides in Central Africa represent a constant threat to the population. The present work took its motivation from the increasing number of recorded incidents in recent times. It is focused on the analysis of mass movements in a regional context. Remote sensing based on the use of satellite images (Pleiades images of 2011) and aerial photographs (1957, 1958 and 1981) allowed us to identify instabilities at different scales. The study of these mass movements and the characterization of the processes governing ... [less ▲]

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See detailOn some drawbacks and possible improvements of a Lagrangian finite element approach for simulating incompressible flows
Cerquaglia, Marco Lucio ULg; Deliège, Geoffrey ULg; Boman, Romain ULg et al

in Oñate, E.; Bischoff, M.; Owen, D.R.J. (Eds.) et al Proceedings of the IV International Conference on Particle-Based Methods – Fundamentals and Applications (2015)

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See detailGeophysical investigation of the Hockai Fault Zone, Eastern Belgium
Havenith, Hans-Balder ULg; Nguyen, Frédéric ULg; Halleux, Lucien ULg et al

in EGU General Assembly Conference Abstracts (2015)

In the frame of a regional project evaluating the geothermal potential of the Wallonian Region of Belgium, the Hockai Fault Zone has been identified as one of the most interesting targets. It is a ... [more ▼]

In the frame of a regional project evaluating the geothermal potential of the Wallonian Region of Belgium, the Hockai Fault Zone has been identified as one of the most interesting targets. It is a seismically active fault zone that hosted the largest historical earthquake in Northwestern Europe, the M6-6.5 Verviers event in 1692 as well as a swarm of small earthquakes that was recorded in 1989-90. On the surface, the presence of the fault zones is marked by a series of geomorphic features, such as several landslides near the borders in the northern part, repeated NW-SE oriented scarps all along the Eastern border (over a distance of 40 km), river diversions and captures with formation of paleo-valleys.... [less ▲]

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See detailLa politique belge dans la question allemande (1945-1990) : une politique de sécurité ?
Brüll, Christoph ULg

in Wintgens, Sophie; Grandjean, Geoffrey; Vanhaeren, Stéphanie (Eds.) L'insécurité en question. Définition, enjeux et perspectives (2015)

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See detailElectricity storage with liquid fuels in a zone powered by 100% variable renewables
Léonard, Grégoire ULg; François-Lavet, Vincent ULg; Ernst, Damien ULg et al

in Proceedings of the 12th International Conference on the European Energy Market - EEM15 (2015)

In this work, an electricity zone with 100% renewables is simulated to determine the optimal sizing of generation and storage capacities in such a zone. Using actual wind output data, the model evaluates ... [more ▼]

In this work, an electricity zone with 100% renewables is simulated to determine the optimal sizing of generation and storage capacities in such a zone. Using actual wind output data, the model evaluates the economic viability of a power-to-fuel storage technology that combines water electrolysis, CO2 capture and methanol synthesis. The main advantage of using methanol as an energy carrier is that liquid fuels are suitable for (long-term) energy storage thanks to their high energy density. The levelized electricity cost projection by 2050 equals 83.4 €/MWh in the base case configuration. The effects of storage round-trip efficiency and the storage unit lifetime are quantified and their impacts on the electricity cost discussed. Additional benefits of using methanol as a fuel substitute may be taken into account in further work. [less ▲]

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See detailAnalytic solution for the relative motion of satellites in near-circular low-Earth orbits
Martinusi, Vladimir ULg; Dell'Elce, Lamberto ULg; Kerschen, Gaëtan ULg

in Proceedings of the AAS/AIAA Space FLight Mechanics Meeting (2015)

The paper presents the solution to the problem of the relative motion between two satellites orbiting Earth under the influence of the oblateness and atmospheric drag perturbations. Starting from the ... [more ▼]

The paper presents the solution to the problem of the relative motion between two satellites orbiting Earth under the influence of the oblateness and atmospheric drag perturbations. Starting from the analytic solution to the problem of the absolute motion, the closed-form equations of motion are obtained. No simplifying assumptions are made on the relative dynamics. [less ▲]

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See detailStress-based topology optimization with fatigue failure constraints
Collet, Maxime ULg; Bruggi, Matteo; Bauduin, Simon ULg et al

in Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing (2015)

This paper shows how the design of a structure can evolve when considering a stressbased topology optimization along with fatigue failure constraints. More precisely, fatigue failure is added in a stress ... [more ▼]

This paper shows how the design of a structure can evolve when considering a stressbased topology optimization along with fatigue failure constraints. More precisely, fatigue failure is added in a stress-based topology optimization Matlab code by following the approach of the design of machine elements, i.e. based on S-N curves or fatigue criteria. The fatigue is introduced through weel-known criteria for high-cycle fatigue such as the Sines and Crossland criteria. The paper presents how these criteria can be formulated for a topology optimization problem. Numerical results for both criteria are successively compared and discussed. The character of fatigue failure in the optimization procedure is illustrated as well as some issues that have to be improved in future work. [less ▲]

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See detailRisques et défis sécuritaires de la (non)-intégration des Balkans occidentaux dans l’Union européenne
Lika, Liridon ULg

in Wintgens, Sophie; Grandjean, Geoffrey; Vanhaeren, Stéphanie (Eds.) L’insécurité en question : définition, enjeux et perspectives (2015)

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See detailIndividualized Nutrition of preterm: What are the challenges?
SENTERRE, Thibault ULg

in SENTERRE, Thibault (Ed.) Symposium on Intrauterine and Early Postnatal Nutrition: Long-Term Outcome (2015)

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See detailÉvolution du rôle des femmes dans les entreprises d’artisanat traditionnel à la périphérie de Hanoi (Vietnam)
Nguyen, Thi Thu Hien ULg; Lebailly, Philippe ULg

in Académie de Recherche et d'Enseignement Supérieur (ARES) (Ed.) "Gender, migration and rural development" (2015)

La femme vietnamienne a depuis très longtemps assuré un rôle très important dans le développement socio-économique et culturel du Vietnam. Toutefois, en raison d’une forme de paternalisme lié à des ... [more ▼]

La femme vietnamienne a depuis très longtemps assuré un rôle très important dans le développement socio-économique et culturel du Vietnam. Toutefois, en raison d’une forme de paternalisme lié à des aspects sociaux et culturels, les femmes n’ont pas été autorisées à jouer un rôle prépondérant dans les métiers traditionnels des entreprises rurales développées au Vietnam. Aujourd’hui, avec le changement des conditions économiques et sociales, on assiste à une participation accrue des femmes dans les activités autrefois réservées aux hommes comme la production directe, le commerce et même la gestion de l’entreprise. Au travers d’une recherche empirique dans les petites entreprises d’artisanat d’art des communes où se trouvent des villages traditionnels célèbres du Vietnam, on peut observer le changement dans le rôle exercé par les femmes. Cela doit néanmoins encore être accompagné par des politiques convenables capables de réduire l’inégalité du genre dans les activités de métier traditionnel et contribuer ainsi à un développement rural équilibré. [less ▲]

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See detailCastelvecchio Calvisio: et pourquoi pas un scénario ruskinien?
Houbart, Claudine ULg; Dawans, Stéphane ULg

in Crisan, Rodica; Fiorani, Donatella; Kealy, Loughlin (Eds.) et al Restoration/Reconstruction. Small Historic Centres. Conservation in the Midst of Change, EAAE IV meeting and workshop (Roma - Castelvecchio Calvisio, October 28-31, 2013) (2015)

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See detailLa signature dans les lettres du duc de Bourgogne Philippe le Bon
Dumont, Jonathan ULg; Marchandisse, Alain ULg

in Dumézil, Bruno; Vissière, Laurent (Eds.) Epistolaire politique II : « Authentiques et autographes (IVe–XVIe siècles) » (2015)

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See detailSignes et corrections dans le P.Vat. gr. 11v - Favorinos, De exsilio
Macedo, Gabriel ULg

in Marganne, Marie-Hélène; Amato, Eugenio (Eds.) Entre papyrologie, philologie et littérature. Autour du traité "Sur l'Exil" de Favorinos d'Arles. Actes de la journée d'études, Nantes 13-11-2013 (2015)

A study of scribal practices, signs and corrections on the only known copy of Favorinos' De exsilio.

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See detailComposite structures optimization including non-linear finite element analysis, design and manufacturing considerations
Bruyneel, Michaël ULg; Grihon, Stéphane; Hudson, Leigh

in NAFEMS World Congress (2015)

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See detailThe Fe-Mn phosphate mineral assemblages from the La Viquita pegmatite, San Luis, Argentina.
Galliski, M; Roda-Robles, Encarnacion ULg; Hatert, Frédéric ULg et al

in . 7th International Symposium on Granitic Pegmatites- PEG 2015, Abstract book (2015)

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See detailAmulettes ou exercices scolaires : sur les difficultés de la catégorisation des papyrus chrétiens
de Haro Sanchez, Magali ULg; Carlig, Nathan ULg

in de Haro Sanchez, Magali (Ed.) Écrire la magie dans l’antiquité. Actes du colloque international (Liège, 13-15 octobre 2011) (2015)

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See detailThermal Treatments of AlSi10Mg Processed by Laser Beam Melting
Mertens, Anne ULg; Dedry, Olivier ULg; Reuter, David et al

in Bourell, Dave (Ed.) Proceedings of the 26th International Solid Freeform Fabrication Symposium (2015)

Recent studies have shown that AlSi10Mg processed by Laser Beam Melting (LBM) exhibits a much finer microstructure when compared to its cast counterpart as a consequence of the much faster cooling rates ... [more ▼]

Recent studies have shown that AlSi10Mg processed by Laser Beam Melting (LBM) exhibits a much finer microstructure when compared to its cast counterpart as a consequence of the much faster cooling rates imposed in the LBM process. Such microstructural refinement causes a significant increase in strength and hardness, to such an extent that as-fabricated LBM AlSi10Mg was reported to present hardness value of 127 ± 3 Hv0.5, similar to the hardness of high pressure die cast AlSi10Mg in the aged condition (i.e. 130-133 Hv). Yet, little attention has been given so far to the influence of thermal treatments on the microstructure and mechanical behavior of LBM AlSi10Mg. The present work hence aims to investigate the effect of two different types of heat treatments – i.e. (i) stress relief and (ii) solutionizing and ageing − on the microstructure, hardness and tensile properties of LBM AlSi10Mg. [less ▲]

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See detailSegmentation of gait cycles using foot-mounted 3D accelerometers
Boutaayamou, Mohamed ULg; Bruls, Olivier ULg; Denoël, Vincent ULg et al

in Proceedings of the IEEE International Conference on 3D Imaging 2015 (2015)

We describe a new gait segmentation method based on the continuous wavelet transform to identify stride-by-stride gait cycles from measurements of foot-mounted three-dimensional (3D) accelerometers. The ... [more ▼]

We describe a new gait segmentation method based on the continuous wavelet transform to identify stride-by-stride gait cycles from measurements of foot-mounted three-dimensional (3D) accelerometers. The detection of such gait cycles is indeed a crucial step for an accurate extraction of relevant gait events such as heel strike, toe strike, heel-off, and toe-off. We demonstrate the ability of this segmentation method, used in conjunction with a validated extraction algorithm, to calculate the following gait (duration) parameters for each gait cycle during the gait of a healthy young subject and of an elderly subject with Parkinson’s disease (PD) in OFF and ON states: durations of (1) loading response, (2) mid-stance, (3) push-off, (4) stance, (5) swing, (6) stride, (7) step, and (8) double support phases. The experimental results show that the proposed method can extract relevant refined gait parameters to quantify subtle gait disturbances in subjects with PD. [less ▲]

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See detailThe harmonic balance method for bifurcation analysis of nonlinear mechanical systems
Detroux, Thibaut ULg; Renson, Ludovic ULg; Masset, Luc ULg et al

in Proceedings of the International Modal Analysis Conference (IMAC) XXXIII (2015)

Because nowadays structural engineers are willing to use or at least understand nonlinearities instead of simply avoiding them, there is a need for numerical tools performing analysis of nonlinear large ... [more ▼]

Because nowadays structural engineers are willing to use or at least understand nonlinearities instead of simply avoiding them, there is a need for numerical tools performing analysis of nonlinear large-scale structures. Among these techniques, the harmonic balance (HB) method is certainly one of the most commonly used to study finite element models with reasonably complex nonlinearities. However, in its classical formulation the HB method is limited to the approximation of periodic solutions. For this reason, the present paper proposes to extend the method to the detection and tracking of codimension-1 bifurcations in the system parameters space. As an application, the frequency response of a spacecraft is studied, together with two nonlinear phenomena, namely quasiperiodic oscillations and detached resonance curves. This example illustrates how bifurcation tracking using the HB method can be employed as a promising design tool for detecting and eliminating such undesired behaviors. [less ▲]

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See detailKonceptualizacija prava na državljanstvo u jurisprudenciji Europskog suda za ljudska prava
Mazur Kumric, Nives ULg

in The Legal System and Protection Against Discrimination, Collection of Papers, Second Volume, Kosovska Mitrovica, 2015 (2015)

The notion of citizenship rests on the cleavage between national and international law as a matter predominantly shaped by state's internal acts, in accordance with limits determined by the state's ... [more ▼]

The notion of citizenship rests on the cleavage between national and international law as a matter predominantly shaped by state's internal acts, in accordance with limits determined by the state's interrelations with other states and rules of international law. The respective dichotomy generates further branching of the notional structure, making it multilayered, multidimensional and fluid. The simplified definition of citizenship conceptualises it as a real and effective link between the state and an individual, however, in social reality the notion transcends the respective formal perception and interferes with conceptions of identity, belonging and sentiments. With the aim of positioning citizenship within the domain of contemporary international human rights protection, this paper focuses on the analysis of jurisprudence of the European Court of Human Rights which has in several of its recent judgments provided for an original interpretation of the right to citizenship, subsuming it under the ambit of Article 8 of the Convention for the Protection of Human Rights and Fundamental Freedoms on the right to private and family life. Although Conventional norms do not grant the right to citizenship expressis verbis, an insight into three judgments (Genovese v. Malta, Mennesson v. France and Jeunesse v. the Netherlands) demonstrates that the Court's innovative interpretation of Article 8 has proved that flexible notions of private and family life are comparable enough with citizenship to embrace the aspects of a person's social identity which make up the essence of the concept of citizenship. [less ▲]

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See detailStorytelling as Strategy to Envision the Changing Meaning of Heritage From an Object-focused Approach Towards an Intertwined Contextual One
Gantois, Gisele ULg; Schoonjans, Yves

in Kepczynska-Walczak, Anetta (Ed.) Envisioning Architecture: Image, Perception and Communication of Heritage (2015)

Locality and place making as elements of social sustainability play a significant role in a world of growing globalization. More and more researchers and professionals realize that the identity of small ... [more ▼]

Locality and place making as elements of social sustainability play a significant role in a world of growing globalization. More and more researchers and professionals realize that the identity of small communities is also constructed by modest heritage, responsible for a large part of the quality and social cohesion. Once we focus on the historical, social, cultural, ecological and physical meshwork, we transcend the solely focus on the object to explore the physical, emotional and experiential realities of place and how these are rooted in the individual and collective memory as they unfold in the everyday life. In the creation of a sustainable and resilient society the meaning and appropriation of that heritage is too important and too complex to restrict the significance of it purely to the artefact itself with its acknowledged architectural, historical or archaeological values. How can new meaning of place be enacted, created and negotiated in current times of migration and mobility? What is the status and role of modest heritage in small communities today? Does it still play a considerable role in the identity, quality and social cohesion of a region? How do we explore the intangible dimension of the tangible? How do we deal with the intangible and informal aspects of heritage? This paper concentrates on these issues in the complex urban countryside of the region of Flanders (Belgium). Flanders is a highly dense and post-industrialized area where the countryside is under an urbanized pressure. Within the fabric we detect numerous small-scale heritage as chapels, parsonages, ice-cellars, donjons, square farms and wind- and watermills. Possible relationships of heritage with its context will be tackled, explored and tested in different layers through particular cases within the strategy of storytelling as a spatial practice. [less ▲]

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See detailPressure and velocity on an ogee spillway crest operating at high head ratio: experimental measurements and instrumentation
Peltier, Yann ULg; Dewals, Benjamin ULg; Archambeau, Pierre ULg et al

in Carvalho, Rita; Pagliara, Stefano (Eds.) 2nd International workshop on hydraulic structures: data validation (2015)

This paper aims at validating pressure and velocity measurements conducted in two physical scale models of an ogee spillway crest operating at heads largely greater than the design head. The design head ... [more ▼]

This paper aims at validating pressure and velocity measurements conducted in two physical scale models of an ogee spillway crest operating at heads largely greater than the design head. The design head of the second model is 50% smaller than the one of the first model. No piles effect or air entrance is considered in the study. The velocity field is measured by Large Scale Particle Image Velocimetry. The relative pressure along the spillway crest is measured using pressure sensors. Comparisons of measured velocities between both spillways indicate low scale effects, the scaled-profiles collapsing in most parts of the flow. By contrast, measurements of relative pressure along the spillway crest differ for large heads. A theoretical velocity profile based on potential flow theory and expressed in a curvilinear reference frame is then fitted to the velocity measurements, considered as reference, for extrapolating the velocity at the spillway crest. Comparing the extrapolated velocity at the spillway crest and the velocity expressed from the relative pressure finally emphasizes that bottom pressure amplitudes are overestimated for the large spillway, while an averaging effect might operate for the pressure measurements on the small spillway. [less ▲]

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See detailHypoxic-Ischemic Encephalopathy and Premature Babies Brain Damage: Impact of Estetrol
Tskitishvili, Ekaterine ULg; Nisolle, Michelle ULg; Noël, Agnès ULg et al

in The 11th Congress of the European Society of Gynecology, Prague 21-24 October, 2015 (2015)

Neonatal hypoxic-ischemic brain injury remains a main problem of perinatal medicine. About 20% of affected newborns die in the postnatal period, and an additional 25% will sustain childhood disabilities ... [more ▼]

Neonatal hypoxic-ischemic brain injury remains a main problem of perinatal medicine. About 20% of affected newborns die in the postnatal period, and an additional 25% will sustain childhood disabilities mostly in the form of motor and cognitive delays. The nature of the deficits is dependent on the gestational age and severity of the insult, though it is s seldom reported in preterm infants. No medical treatment provides important neuroprotection against HIE. Studies in animal models of HIE may provide important information for the development of treatment for this pathological condition. Estetrol (E4) is a recently described estrogen with four hydroxyl-groups that is synthesized exclusively during pregnancy by the human fetal liver. In this study, we defined the antioxidative effect of E4 in primary hippocampal cell cultures taken from newborn rat pups (in vitro) and evaluated its neuroprotective and therapeutic potency in neonatal HIE model of the immature newborn rat (in vivo). Lactate Dehydrogenase (LDH) and cell survival (MTS) assays were performed on primary neuronal cell cultures. Rat pups body temperatures were examined along with their body and brain weights. Brains were studied at the level of the hippocampus and cortex. Intact cell counting and expressions of markers for neuronal cell viability (microtubule-associated protein-2 (MAP-2)), neurogenesis (doublecortin (DCX)) and angiogenesis (vascular-endothelial growth factor (VEGF)) were evaluated by histo- and immunohistochemistry. The serum levels of two markers of brain damage (S100B and glial fibrillary acidic protein (GFAP)) were measured by ELISA. Our results demonstrate that E4 has a significant neuroprotective and therapeutic dose-dependent effects. Estetrol has powerful antioxidative and cell survival effects in vitro. It decreases the early gray matter loss and promotes neuro- and angiogenesis in vivo. Estetrol treatment has no effects on body weight, brain weight or body temperature. Taken together, Estetrol might become an important safe and physiological substance to treat neonatal HIE. [less ▲]

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See detailL'exploitation laitière de demain : point de vue des éleveurs sur le contrôle environnemental et le contexte social de la ferme
Froidmont, E.; Vanwindekens, Frédéric ULg; Masure, A. et al

in CRA-w (Ed.) Carrefour des Productions animales, 20ème édition "L'exploitation laitière wallonne de demain : du point de vue des acteurs aux propositions de la recherche" (2015)

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See detailWorld-wide amateur observations
Eversberg, T.; Aldoretta, E. J.; Knapen, J. H. et al

in Hamann, Wolf-Rainer; Sander, Andreas; Todt, Helge (Eds.) Wolf-Rayet Stars: Proceedings of an International Workshop held in Potsdam, Germany, 1–5 June 2015. Edited by Wolf-Rainer Hamann, Andreas Sander, Helge Todt. Universitätsverlag Potsdam, 2015., p.71-74 (2015)

For some years now, spectroscopic measurements of massive stars in the amateur domain have been fulfilling professional requirements. Various groups in the northern and southern hemispheres have been ... [more ▼]

For some years now, spectroscopic measurements of massive stars in the amateur domain have been fulfilling professional requirements. Various groups in the northern and southern hemispheres have been established, running successful professional-amateur (ProAm) collaborative campaigns, e.g., on WR, O and B type stars. Today high quality data (echelle and long-slit) are regularly delivered and corresponding results published. Night-to-night long-term observations over months to years open a new opportunity for massive-star research. We introduce recent and ongoing sample campaigns (e.g. ɛ Aur, WR 134, ζ Pup), show respective results and highlight the vast amount of data collected in various data bases. Ultimately it is in the time-dependent domain where amateurs can shine most. [less ▲]

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See detailToward the quantification of the cement paste content of fine recycled concrete aggregates by salicylic acid dissolution corrected by a theoretical approach
Zhao, Zengfeng ULg; Remond, Sébastien; Damidot, Denis et al

in Proceedings of the 14th International Congress on the Chemistry of Cement (2015)

Recycled concrete aggregates (RCA) are mainly composed of an intimate mix between natural aggregates and cement paste and the complete separation between these two phases is difficult. Cement paste ... [more ▼]

Recycled concrete aggregates (RCA) are mainly composed of an intimate mix between natural aggregates and cement paste and the complete separation between these two phases is difficult. Cement paste generally presents a much larger porosity than natural aggregates, the content and the physicochemical properties of cement paste therefore have a large influence on the properties of RCA. Any method seems to be adapted to the characterization of cement paste content (CPC) in fine recycled concrete aggregates (FRCA) especially for RCA containing calcareous aggregates. A simple method based on the dissolution of the cement paste in a solution of salicylic acid in methanol was specifically developed to estimate the cement paste content of RCA. Results showed that salicylic acid dissolution method can dissolve most phases of hardened Portland cement paste such as Portlandite, ettringite and C-S-H without dissolving siliceous and calcareous aggregates. The experimental results for two neat Portland cement pastes (white cement paste and grey cement paste) showed that the soluble fraction in salicylic acid (SFSA) was equal to the cement paste content for white cement and slightly lower for the grey cement. The SFSA was measured for different types of RCA. The RCA manufactured in the laboratory whose composition is fully known and three RCA manufactured from industrial crushing platforms have been characterized. Whatever RCA used in our study, SFSA varies almost linearly with the average particle size. A linear relationship was obtained between the water absorption coefficient and SFSA. This relationship allowed us to accurately determine the water absorption coefficient of the smallest granular class 0/0.63mm. [less ▲]

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See detailAssessing the effect of a catchment-scale restoration project in Wallonia (Belgium)
Peeters, Alexandre ULg; Verniers, Gisèle; De le Court, Bernard

in Angelopoulos, Natalie; Buijse, Tom; van Oorschot, Mijke (Eds.) et al Proceedings of the International Conference on River and Stream Restoration “Novel Approaches to Assess and Rehabilitate Modified Rivers”. FP7 REFORM deliverable 7.5. (2015)

In the context of fulfilling the Water Framework Directive requirements, the LIFE+ project Walphy allowed experimental restoration projects to be undertaken on two medium-size catchments of the Meuse ... [more ▼]

In the context of fulfilling the Water Framework Directive requirements, the LIFE+ project Walphy allowed experimental restoration projects to be undertaken on two medium-size catchments of the Meuse basin in Wallonia (Belgium) between 2009 and 2014. Before undertaking sustainable rehabilitation measures, a multi-scale assessment of hydromorphological conditions (catchment, stream and site) was conducted. It was based on a variety of variables characterizing the river system and its geomorphic processes (e.g. sediment transport), along with human-induced disturbances (e.g. barriers to river continuity). The Bocq catchment has been subject to a large-scale restoration project through the removal or modification of 20 barriers (mainly old weirs), reconnecting the Bocq with the Meuse. In addition, 2.6 km of straightened courses were improved by restoring meanders or diversifying habitats through a wide range of rehabilitation techniques. The success of the restoration projects was evaluated on the basis of a multi-disciplinary monitoring. We compared hydromorphological parameters and biological diversity of benthic invertebrates, fish and macrophytes. 2-3 years post-rehabilitation, hydromorphology was significantly improved. Depending on the rehabilitation measures, the restoration effects observed for invertebrates and fish differ. Weir removal and restored meanders have resulted in the most positive effects, while habitat diversification has led to more contrasted results, depending on the level of ambition. The geomorphological monitoring has focused on the effectiveness of spawning gravel rehabilitation and the effect of barriers on sediment transport. Topographic surveys and the use of pebble tracers have highlighted a natural bedload transport following a weir removal. [less ▲]

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See detailAdvances in virtual process chain and connection with online monitoring methods for first time tight manufacturing of thermoset laminated composites
Brauner, Christian; Miene, Andrea; Bruyneel, Michaël ULg et al

in NAFEMS World Congress 2015 (2015)

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See detailTiers et procédure - Rapport provisoire pour la Belgique
Frankignoul, Laurent ULg

in Les tiers (2015)

Il s'agit du rapport provisoire publié sur le site de l'Association Henri Capitant ; un rapport définitif fera l'objet d'une publication dans la collection consacrée aux journées internationales de l ... [more ▼]

Il s'agit du rapport provisoire publié sur le site de l'Association Henri Capitant ; un rapport définitif fera l'objet d'une publication dans la collection consacrée aux journées internationales de l'Association [less ▲]

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See detailAutomatically Linking Dictionaries of Gallo-Romance Languages Using Etymological Information
Renders, Pascale ULg; Baiwir, Esther ULg; Dethier, Gérard

in Kosem, I.; Jakubiček, M.; Kallas, J. (Eds.) et al Electronic lexicography in the 21st century: linking lexical data in the digital age. Proceedings of the eLex 2015 conference, 11-13 August 2015, Herstmonceux Castle, United Kingdom (2015)

How could we link together digital dictionaries which have no common lexical units, but deal with the same linguistic area? And how could we do that automatically, in order to ensure that all future ... [more ▼]

How could we link together digital dictionaries which have no common lexical units, but deal with the same linguistic area? And how could we do that automatically, in order to ensure that all future updates of these dictionaries are taken into account in the linking process? This contribution exposes the solutions that we propose in the field of French and Gallo-Romance historical lexicography. The digitalisation currently in progress of a work of scientific reference, i.e. the Französisches Etymologisches Wörterbuch (FEW), gives us a mean to link together other dictionaries, such as the Dictionnaire Etymologique de l’Ancien Français (DEAF), the Dictionnaire du Moyen Français (DMF), the Anglo-Norman Dictionary (AND), or the Atlas Linguistique de la Wallonie (ALW), through the use of the references of these dictionaries to the FEW. Concrete examples of linking lexical data are discussed in this context. We also describe a simple peer-to-peer protocol allowing e-dictionaries to be automatically linked in a distributed way using the references of their articles. An implementation based on a simple REST API is suggested to let teams maintaining different e-dictionaries keep their own technologies and data schema. [less ▲]

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See detailPronominal gender agreement: a salience-based competition
De Vos, Lien ULg

in Agreement in diachronic perspectives (2015)

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See detailDrift of tilted shielded rotary atomisers based on wind tunnel measurements
Ouled Taleb Salah, Sofiene ULg; Massinon, Mathieu ULg; De Cock, Nicolas ULg et al

in Proceedings of International Symposium on Crop Protection Ghent 2015 (2015)

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See detailLes mentions d'auteurs antiques dans les chansons de geste françaises
Henrard, Nadine ULg

in Haugeard, Philippe; Ribémont, Bernard (Eds.) Chanson de geste et savoirs savants, Convergences et interférences (2015)

Les origines savantes ou populaires des épopées françaises médiévales ont longtemps fait débat. Il s'avère que ces textes contiennent un très grand nombre de références à des personnages issus de ... [more ▼]

Les origines savantes ou populaires des épopées françaises médiévales ont longtemps fait débat. Il s'avère que ces textes contiennent un très grand nombre de références à des personnages issus de l’Antiquité qui témoignent d’une formation scolaire chez les auteurs des chansons. Sur la base d'un examen de l'ensemble du corpus, cette étude s'intéresse plus particulièrement aux mentions explicites faites à des auteurs antiques, qu'ils soient grecs (Homère, Aristote, Platon) ou latins (Virgile, Ovide, César, Caton, Sénèque). En tenant de déterminer les traditions qui ont pu nourrir l'inspiration des auteurs des chansons de geste, elle s'emploie à définir les situations dans lesquelles les références en question apparaissent, et s’interroge sur les finalités que poursuivent les poètes à travers l’évocation des auteurs antiques, dont certains, comme César ou Virgile, sont davantage restés dans les mémoires pour des éléments réels ou imaginaires de leur vie plutôt que pour leur œuvre. [less ▲]

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See detailTowards an Archaeological Information System: Improving the Core Data Model
Van Ruymbeke, Muriel ULg; Carré, Cyril ULg; Delfosse, Vincent ULg et al

in Giligny, F.; Djindjian, F.; Costa, L. (Eds.) et al CAA 2014 21st century Archaeology : Concepts methods and tools : Proceedings of the 42nd Annual Conference on Computer Applications and Quantitative Methods in Archaeology (2015)

The use of Geographic Information Systems within the field of archaeology has been demonstrated through numerous scientific studies in the past. However, such systems do not usually encompass all the ... [more ▼]

The use of Geographic Information Systems within the field of archaeology has been demonstrated through numerous scientific studies in the past. However, such systems do not usually encompass all the characteristics of the archaeological data. Since 2009, the Geomatics Unit of the University of Liège works on the development of a robust, flexible and dynamic Archaeological Information System. The interdisciplinary research group focuses on the development of a conceptual data model based on the general characteristics of archaeological data namely its spatio-temporal, heterogeneous, multimodal and imperfect character. The following paper exposes latest output and especially the integration of archaeological data ambiguity [less ▲]

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See detailIñigo de Brizuela et Andrés de Soto, deux regards sur la politique
Pirlet, Pierre-François ULg

in Labrador Arroyo, Felix (Ed.) II Encuentro de Jóvenes Investigadores en Historia Moderna, Universidad Rey Juan Carlos, Madrid, (1-2 juillet 2013) (2015)

Iñigo de Brizuela and Andrés de Soto, both confessors of the Archdukes were key figures at Brussels' court. Each of them used to influence the policy, using different bias. But they weren't trying to ... [more ▼]

Iñigo de Brizuela and Andrés de Soto, both confessors of the Archdukes were key figures at Brussels' court. Each of them used to influence the policy, using different bias. But they weren't trying to reach similar goals: Brizuela carefully acted to preserve Spanish interests in the Catholic Netherlands, while de Soto struggled for a Catholic victory. Their political actions and its reasons will be covered by this paper. [less ▲]

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See detailIndustrial validation of progressive damage models for laminated composite materials and structures: automotive applications
Bruyneel, Michaël ULg; Delsemme, Jean-Pierre; Jetteur, Philippe et al

in NAFELS World Congress 2015 (2015)

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See detail"Arianisme “vandale” et controverse religieuse : le cas de la Disputatio Cerealis contra Maximinum"
Fialon, Sabine ULg

in Wolff, Étienne (Ed.) Littérature, politique et religion en Afrique vandale (2015)

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See detailChronophage, le design empathique?
Elsen, Catherine ULg

in Findeli, Alain; Borja de Mozota, Brigitte; Froehlicher, Thomas (Eds.) et al Actes des 9èmes Ateliers de la Recherche en Design (2015)

Cet article envisage la dimension chronophage de l’approche empathique, une des dimensions fondamentales du design d’expérience. Quels efforts investir dans le raisonnement « centré-utilisateurs », et ... [more ▼]

Cet article envisage la dimension chronophage de l’approche empathique, une des dimensions fondamentales du design d’expérience. Quels efforts investir dans le raisonnement « centré-utilisateurs », et pour quels résultats ? L’examen des données récoltées au fil de quatre protocoles (un empirique et trois expérimentaux) révèle comment une “créativité disciplinée” peut outiller une approche plus agile des besoins-utilisateurs. [less ▲]

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See detailLandslide Susceptibility Mapping with Data Mining Methods—a Case Study from Maily-Say, Kyrgyzstan
Braun, A.; Fernandez-Steeger, T.; Havenith, Hans-Balder ULg et al

in Engineering Geology for Society and Territory - Volume 2: Landslide Processes (2015)

Abstract: Multiple factors, such as geology, high mountain topography, seismic activity, climatic conditions and mining activities cause significant landslide hazard in the region around Maily-Say ... [more ▼]

Abstract: Multiple factors, such as geology, high mountain topography, seismic activity, climatic conditions and mining activities cause significant landslide hazard in the region around Maily-Say, Kyrgyzstan. To assess the landslide susceptibility a database containing landslide information and geological, morphological and hydrological parameters associated with landslide occurrence was established and analyzed with different data mining algorithms. The most promising results were achieved with an Artificial Neural ... [less ▲]

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See detailHommes et dieux dans le formulaire métrique indo-iranien ancien
Swennen, Philippe ULg

in Démons iraniens: Actes du colloque international organisé à l'Université de Liège les 5 et 6 février 2009 à l'occasion des 65 ans de Jean Kellens (2015)

No Indo-iranian formula was coordinating gods with demons, but another one, welle attested, was linking mortal men with gods. Initially, it was saying the solidarity between both groups, who were meeting ... [more ▼]

No Indo-iranian formula was coordinating gods with demons, but another one, welle attested, was linking mortal men with gods. Initially, it was saying the solidarity between both groups, who were meeting on the sacrificial ground. Its use in Rigvedic and Avestan texts shows divergent evolutions. In India, men and gods go away from each other. In Iran, the original coordination, whose negative meaning is appearing, is inserted ina an always wider demonic list, which is included in a sentence using another inherited formula, whose theme was the crossing of enmities. During the evolution process of this formula, men go with the ancient *daiva- to demonisation. [less ▲]

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See detailDéveloppement récent de la culture de l'épeautre en Belgique
Burny, Philippe ULg

in Watillon, Bernard; Bodson, Bernard (Eds.) Livre Blanc "Céréales", édition février 2015 (2015)

L'épeautre est une culture ancienne, pratiquée depuis des siècles, et qui a été progressivement remplacée, comme le seigle, par le froment. Il s'est cependant maintenu modestement dans quelques régions ... [more ▼]

L'épeautre est une culture ancienne, pratiquée depuis des siècles, et qui a été progressivement remplacée, comme le seigle, par le froment. Il s'est cependant maintenu modestement dans quelques régions aux sols plus pauvres et au climat plus rigoureux que ceux qui conviennent le mieux au froment. Les aspects "santé" prenant de plus en plus d'importance dans les pays riches, la bonne réputation de l'épeautre en ce domaine a permis un récent regain d'intérêt pour cette culture, dont les prix se sont envolés au cours de l'année 2014. Cette évolution est-elle durable ou ne sera-t-elle qu'un feu de paille ? [less ▲]

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See detailUne mobilité résidentielle durable est-elle possible? Pratique de déplacements, modèles urbains et choix de localisation de populations résidentes en Wallonie.
Reiter, Sigrid ULg; Ghiezen, Sébastien; Pierson, Charlotte

in Actes du Colloque International APERAU 2014: "Villes à vivre: le quotidien métropolitain entre ancrage et mobilité". (2015)

Detailed reference viewed: 36 (12 ULg)