References of "Paper published in a book"
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See detailDoes Tight Glycemic Control positively impact on patient mortality?
Penning, Sophie ULg; Le Compte, Aaron J.; Signal, Matthew et al

in Critical Care (2012, March 20)

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See detailMise au point d'un Système d'Information Géographique (SIG), à l'échelle de la parcelle, pour l'évaluation du risque de pollution des eaux de surface et souterraines par l'usage des pesticides.
Bah, Boubacar Billo ULg; Limbourg, Quentin; Vandendael, Laurent et al

in Conférence sur les Techniques d’Application de Produits de Protection des Plantes. 15 et 16 mars 2012, Lyon, France (2012, March 15)

L’étude aborde la mise au point d’un outil SIG décisionnel, basé sur une approche « expert » par logique floue, pour l’évaluation du risque de pollution des eaux de surface et souterraines par les ... [more ▼]

L’étude aborde la mise au point d’un outil SIG décisionnel, basé sur une approche « expert » par logique floue, pour l’évaluation du risque de pollution des eaux de surface et souterraines par les pesticides. Une enquête de terrain combinée aux propriétés physico-chimiques des pesticides, a permis d’identifier la pression polluante agricole liée aux propriétés des pesticides et aux activités anthropiques. La sensibilité des sols au transfert des pesticides vers les eaux de surface et souterraines a été évaluée sur base, d’une part d’une approche par modélisation mécaniste, et d’autre part à partir de l’exploitation de l’information qualitative de la carte des sols, jugée pertinente et non explicitement valorisée par le modèle mécaniste. L’évaluation du risque global a ensuite été réalisée à partir de la construction d’un système expert basée sur la logique floue, qui intègre les évaluations spécifiques aux propriétés des pesticides, aux pratiques culturales et à la sensibilité des sols au transfert des pesticides vers les eaux, en tant que milieu transit-vecteur. L’approche par « logique floue » est un outil robuste qui permet notamment d’agréger de façon uniforme des informations de sources variées, mais aussi d’intégrer l’incertitude (imprécision) associée à certaines données, telles que celles liées aux caractéristiques physico-chimiques des pesticides ou des sols. [less ▲]

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See detailNEMA NU4-2008 Performance Evaluation for the MicroPET FOCUS 120 and Iodine-124
Taleb, Dounia ULg; Bahri, Mohamed Ali ULg; Warnock, Geoffrey ULg et al

in IEEE proceedings of ANIMMA 2011 (2012, March 12)

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See detailConsommation locale de produits animaux : que produire localement avec nos propres ressources végétales ?
Beckers, Yves ULg; Bodson, Bernard ULg; Vancutsem, Françoise ULg et al

in 17ème Carrefour des productions animales (2012, March 07)

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See detailInteractomic map of the Ets factors family : Identification of unexpected functions in mRNA processing
Rambout, Xavier ULg; Simonis, Nicolas; Demoitié, Pauline et al

in Keystone symposium - Protein-RNA Interactions in Biology and Disease (C1) (2012, March 05)

The Ets factors are a family of 27 transcription factors characterized by their unique DNA-binding domain, the ETS domain. We aimed at building a protein-protein interaction (PPI) map (interactome) of the ... [more ▼]

The Ets factors are a family of 27 transcription factors characterized by their unique DNA-binding domain, the ETS domain. We aimed at building a protein-protein interaction (PPI) map (interactome) of the human Ets factors in order to better define their roles and regulations in normal and oncogenic processes. The Ets interactome was built on a high-throughput yeast-two hybrid (Y2H) approach, and a literature and database curation of confident interactions which led us to the identification of 602 PPIs and 369 different protein partners. Clusterization using the Network Analysis Tool box (NeAT) divided the ETS interactome into 39 functional sub-networks. Among these, we identified Cluster16 as highly connected to the Erg ETS subfamily. A gene ontology (GO) enrichment analysis revealed that Cluster16 was associated to various aspects of mRNA processing. We therefore hypothesized that Erg factors might have a role in post-transcriptional gene regulation. This would constitute a entirely new and undisclosed role for ETS factors, which are so far firmly established as transcription factors. In support of our hypothesis, we observed that ERG localized in p-bodies, cytoplasmic sites of mRNA decay. Interestingly, under various cellular stresses, a portion of ERG and its partners from Cluster16 localized in stress granules, cytoplasmic sites of mRNA silencing physically linked to p-bodies. Hence, we hypothesized that Erg proteins might be involved in cellular mRNAs degradation. To test this, we performed a MS2-based tethering assay and showed that the recruit-ment of Erg factors promoted degradation of a reporter mRNA, mainly via its N-ter domain. Very importantly, oncogenic TET-Erg fusions described in AML and Ewing’s sarcoma exhibited diminished ability to degrade target mRNAs, concomitantly with the loss of the N-ter domain of the corresponding Erg protein. This re-inforces the important role of Erg proteins in mRNA degradation in cancer. Our efforts are now concentrated on identifying the molecular determinants behind this new function of Erg proteins. [less ▲]

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See detailAu-delà des mauvaises pratiques autour du développement touristique local; Quelques réflexions sur le cadre théorique de "community based tourism"
Schmitz, Serge ULg

in Azzi, Hrou (Ed.) Tourisme rural et développement des territoires. La région de l'Oriental marocain, une destination touristique (2012, March)

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See detailAnalyse des mécanismes de transfert de fluides lors d'essais de séchage convectif sur un limon
Gerard, Pierre ULg; Léonard, Angélique ULg; Charlier, Robert ULg et al

in Skoczykas, Frédéric; Davy, Catherine; Agostini, Franck (Eds.) et al Actes du colloque Transfert 2012 - Propriétés de transfert des géomatériaux (2012, March)

Des essais de séchage convectif ont été réalisés sur des échantillons de limon en vue de quantifier la cinétique de perte de masse. Ces essais ont été analysés sous l’hypothèse de l’existence d’une couche ... [more ▼]

Des essais de séchage convectif ont été réalisés sur des échantillons de limon en vue de quantifier la cinétique de perte de masse. Ces essais ont été analysés sous l’hypothèse de l’existence d’une couche limite en paroi de l’échantillon, dans laquelle des transferts de masse et de chaleur ont lieu. L’article met en avant l’intérêt de modélisations thermo-hydrauliques pour comprendre les transferts de fluides au sein de l’échantillon. Une analyse précise des résultats numériques permet de déterminer si les transferts internes sont constitués principalement d’advection d’eau liquide jusqu’à la paroi suivi par de l’évaporation, ou plutôt de l’avancée d’un front d’évaporation au sein de l’échantillon suivi par de la diffusion de la vapeur jusqu’à la paroi. [less ▲]

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See detailLes "Litterae annuae" de la Compagnie de Jésus entre compte rendu factuel et construction identitaire : l’exemple de Bruxelles
Delfosse, Annick ULg

in Rousseaux, Xavier (Ed.) Quatre siècles de présence jésuite à Bruxelles (2012, March)

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See detailApport de la disdrométrie laser au service de la climatologie des hydrométéores
Erpicum, Michel ULg; Fettweis, Xavier; Jorion, Nicolas ULg et al

in Carrega, Pierre (Ed.) Actes des journées de climatologie du CNFG : Climat et Société, Thème : climat et eau, Lyon 2011 (2012, March)

analysis of several rainy days with the support of laser disdrometers in temperate climate (Belgium)

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See detailImproved Domain Decomposition Method for the Wave Equation in Harmonic Regime
Geuzaine, Christophe ULg; Antoine, X.; Boubendir, Y. et al

in Proceedings of the 6th Advanced Computational Electromagnetics workshop (ACE 2012) (2012, March)

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See detailL'influence de la gouvernance familiale sur la transmission de la PME familiale au Sénégal : une modélisation contingente
Van Caillie, Didier ULg; Mbili Onana,

in COMREFAS - Consortium pour le Management de la Recherche Fondamentale en Afrique au Sud du Sahara (Ed.) Actes du 1er Congrès International en Sciences de Gestion du COMREFAS (2012, March)

In Senegal, family businesses are present in all industries and represent a significant force. Most of family entrepreneurs are between 40 and 50 years old, which show that they will soon face the ... [more ▼]

In Senegal, family businesses are present in all industries and represent a significant force. Most of family entrepreneurs are between 40 and 50 years old, which show that they will soon face the challenge of transmission. To face this challenge and thus to ensure their continuity, it is necessary to ensure the cohesion of family ties, particularly through the family governance. So, our contribution aims, in a contingent perspective and based on a large survey of the existing literature, to a better appraisal of family businesses in Senegal through a better understanding of their family governance practices first, and by understanding the role of family governance on their global performance in order to identify key success factors for a successful family transmission process in the context of Senegal. [less ▲]

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See detailNew Hypotheses on serial offender's spatial behaviour
Trotta, Marie ULg

in Pundt, Hardy; Bernard, Lars (Eds.) Proceedings 1st AGILE PhD School (2012, March)

Geographic profiling is a methodology used to delineate a prior search area for a serial offender. Two new hypotheses integrating recent researches on offender’s behaviour are proposed to broaden the ... [more ▼]

Geographic profiling is a methodology used to delineate a prior search area for a serial offender. Two new hypotheses integrating recent researches on offender’s behaviour are proposed to broaden the applicability of the techniques of geographic profiling to commuters and irregular patterns of crimes. The journeysto- crime variance and place attractiveness will be successively integrated in GP methods. In order to evaluate the variance of the journeys-to-crime on real road network, a method based on least square adjustment in raster mode is developed. A real case of serial rapes illustrates the effectiveness of those assumptions for a non-uniform pattern of crimes. [less ▲]

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See detailTi alloys processed by selective laser melting and by laser cladding: microstructures and mechanical properties
Mertens, Anne ULg; Contrepois, Quentin ULg; Dormal, Thierry ULg et al

in proceedings of 12th EUROPEAN CONFERENCE ON SPACECRAFT STRUCTURES, MATERIALS & ENVIRONMENTAL TESTING, Noordwijk 20-23 mars 2012 (2012, March)

Selective laser melting (SLM) and laser cladding were developed in the late 1990s as economic layer-by-layer near-net-shape processes allowing for the production – and also, in the case of laser cladding ... [more ▼]

Selective laser melting (SLM) and laser cladding were developed in the late 1990s as economic layer-by-layer near-net-shape processes allowing for the production – and also, in the case of laser cladding, the restoration - of complex parts. Both techniques involve the melting of a metallic powder with a laser. In the case of SLM, the metallic powder is deposited layer by layer and then molten locally according to the desired shape, whereas in laser cladding the metallic powder is projected onto a substrate through a tube coaxial with the laser. In both processes, the metallic melt pools then cool down and solidify very rapidly, thus producing strongly out of equilibrium microstructures that might exhibit high internal stresses. In the present work, efforts have been made to enhance the flexibility of the laser cladding process: a second laser with a maximum power of 300W was installed beside the original laser (with a higher maximum power of 2000W), thus allowing for the processing of parts with thinner walls and/or coatings. Moreover, flexibility was also improved in relation with the geometry of the parts by use of a 5-axes displacement control. Samples of alloy Ti-6Al-4V, that is widely used in the aeronautic industry due to its high specific strength, have been processed both by SLM and by laser cladding. The resulting microstructures have been characterised in details by optical microscopy, SEM and EBSD so as to allow for a better understanding of the solidification process and of the subsequent phase transformations taking place upon cooling for both techniques. The influence of processing parameters such as the orientation of the deposition of the successive powder layers on the mechanical properties was also investigated by means of uniaxial tensile testing performed on samples with different deposition orientations in regard to the direction of mechanical solicitation. Moreover, some of the samples for mechanical testing had undergone an annealing treatment at 640°C for 4 hours to relieve internal stresses, in order to assess more precisely the effect of those stresses on the tensile properties. [less ▲]

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See detailPrematurity and Bone Health
SENTERRE, Thibault ULg

in 1st International Conference on Nutrition and Growth (2012, March)

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See detailFrom field to laboratory studies: case of selenium in Chelonians
Dyc, Christelle ULg; Thomé, Jean-Pierre ULg; Das, Krishna ULg

in Proceedings of the 32nd Annual Symposium on Sea Turtle Biology and Conservation (2012, March)

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See detailNonlinear Modal Analysis of the SmallSat Spacecraft
Renson, Ludovic ULg; Noël, Jean-Philippe ULg; Kerschen, Gaëtan ULg et al

in Proceedings of the European Conference on Spacecraft Structures, Materials & Environmental Testing (2012, March)

Non-linear elements are present in practically all spacecraft structures. When such non-linear effects are important linear modal analysis can no longer be applied. The development of a non-linear ... [more ▼]

Non-linear elements are present in practically all spacecraft structures. When such non-linear effects are important linear modal analysis can no longer be applied. The development of a non-linear analogue of linear modal analysis is therefore an important endeavor. The objective of this paper is to show that nonlinear normal modes (NNMs) represent a useful and practical tool in this context. A full-scale spacecraft structure is considered and is modeled using the finite element method. Its NNMs are computed using advanced numerical algorithms, and the resulting dynamics is then carefully analyzed. Nonlinear phenomena with no linear counterpart including nonlinear modal interactions are also highlighted. [less ▲]

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See detailExperimental identification of a nonlinear space structure
Noël, Jean-Philippe ULg; Renson, Ludovic ULg; Kerschen, Gaëtan ULg et al

in Proceedings of the 12th European Conference on Spacecraft Structures, Materials and Environmental Testing (2012, March)

The present paper addresses the experimental identification of a nonlinear space structure, the SmallSat spacecraft developed by EADS-Astrium. The nonlinear component comprises an inertia wheel mounted on ... [more ▼]

The present paper addresses the experimental identification of a nonlinear space structure, the SmallSat spacecraft developed by EADS-Astrium. The nonlinear component comprises an inertia wheel mounted on a support, the motion of which is constrained by eight elastomer plots and mechanical stops. Robust techniques are applied to measured data to detect, characterise and quantify nonlinear behaviour. [less ▲]

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See detailNumerical and physical hydraulic modelling of Piano Key Weirs
Erpicum, Sébastien ULg; Machiels, Olivier ULg; Dewals, Benjamin ULg et al

in Proceedings of the 4th Int. Conf. on Water Resources and Renewable Energy Development in Asia (2012, March)

During the last few years, several piano key weirs (PKWs) have been built in France by Electricité de France (EDF). Thanks to the reduced footprint and high release capacities of this new type of weir ... [more ▼]

During the last few years, several piano key weirs (PKWs) have been built in France by Electricité de France (EDF). Thanks to the reduced footprint and high release capacities of this new type of weir, making it particularly suited for concrete dams rehabilitation, lots of other projects in varied countries are under construction or study. The prototype use of PKW requires knowledge about its structural behaviour, hydraulic capacities as well as integration into dams’ environment. This paper aims at presenting numerical and physical modelling works performed at the University of Liege to address the last two points. In particular, large scale physical modelling and parametric scale models enabled to understand the hydraulic behaviour of the structure and to highlight its main geometric parameters as well as their best variation interval depending on various criteria related to the weir design (discharge efficiency, cost…). A 1D numerical model has also been developed based on these experimental investigations. It enables to predict in a few minutes, with 10% accuracy, the discharge capacity of a given PKW geometry on its usual operation head range. This model, available as a freeware on http://www.pk-weirs.ulg.ac.be, constitutes a key tool for the first design of such weirs. Finally, the scale model studies of major projects such as Raviège dam (France) for EDF and Ouldjet Mellegue Project (Algeria) for Coyne et Bellier – Tractebel Engineering enable to confront theoretical predictions with experimental results and to address the problem of PKW integration on dam crests. [less ▲]

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See detailA Hybrid IP Lookup Architecture with Fast Updates
Luo, Layong; Xie, Gaogang; Xie, Yingke et al

in Annual International Conference on Computer Communications (2012, March)

As network link rates are being pushed beyond 40 Gbps, IP lookup in high-speed routers is moving to hardware. The TCAM (Ternary Content Addressable Memory)-based IP lookup engine and the SRAM (Static ... [more ▼]

As network link rates are being pushed beyond 40 Gbps, IP lookup in high-speed routers is moving to hardware. The TCAM (Ternary Content Addressable Memory)-based IP lookup engine and the SRAM (Static Random Access Memory)- based IP lookup pipeline are the two most common ways to achieve high throughput. However, route updates in both engines degrade lookup performance and may lead to packet drops. Moreover, there is a growing interest in virtual IP routers where more frequent updates happen. Finding solutions that achieve both fast lookup and low update overhead becomes critical. In this paper, we propose a hybrid IP lookup architecture to address this challenge. The architecture is based on an efficient trie partitioning scheme that divides the Forwarding Information Base (FIB) into two prefix sets: a large disjoint leaf prefix set mapped into an external TCAM-based lookup engine and a small overlapping prefix set mapped into an on-chip SRAM-based lookup pipeline. Critical optimizations are developed on both IP lookup engines to reduce the update overhead. We show how to extend the proposed hybrid architecture to support virtual routers. Our implementation shows a throughput of 250 million lookups per second (MLPS). The update overhead is significantly lower than that of previous work and the utilization ratio of most external TCAMs is up to 100%. [less ▲]

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See detailPerspective - Impact de la gestion culturale sur le développement des culture
Pierreux, Jérome ULg

in Livre Blanc: Céréales Gembloux (2012, February 29)

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See detail4. La fumure azotée
Vancutsem, Françoise ULg; Seutin, Benoit ULg; Destain, Jean-Pierre ULg et al

in Livre Blanc - Céréales - Gembloux (2012, February 29)

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See detail5. Les régulateurs de croissance
Seutin, Benoit ULg; Vancutsem, Françoise ULg; Monfort, Bruno et al

in Livre Blanc - Céréales - Gembloux (2012, February 29)

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See detail10. Perspectives - Dynamique des populations de trois adventices des céréales en vue de la mise au point de méthodes intégrées de leur contrôle
Jaunard, Delphine ULg; Henriet, François; Monty, Arnaud ULg et al

in Livre Blanc - Céréales - Gembloux (2012, February 29)

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See detailPsychologie et antipsychologisme chez Husserl – l’année 1894
Gyemant, Maria ULg

in Gyemant, Maria (Ed.) Psychologie et psychologisme (2012, February 14)

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See detailBiosecurity in my Equine Practice
Van Galen, Gaby ULg

in Denis Verwilghen; Gaby van Galen; Valeria Busoni (Eds.) proceedings of Hippos 2012 (2012, February 12)

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See detailBone markers in pregnant Haflinger mares _ A trimestral evaluation
Greiner, C; Remy, Benoît ULg; CAVALIER, Etienne ULg et al

in Procedings of the Hippos-Congress 2012 (2012, February 11)

Introduction Pregnancy is associated with various physiological changes that essentially affect musculoskeletal conditions in the mare. However, the influence of pregnancy on equine bone metabolism has ... [more ▼]

Introduction Pregnancy is associated with various physiological changes that essentially affect musculoskeletal conditions in the mare. However, the influence of pregnancy on equine bone metabolism has not been studied to great detail. Aim of this study was to evaluate the effect of pregnancy on bone turnover markers in clinically normal lactating mares. Materials and Methods Venous blood samples were collected three-times from 17 multiparous lactating Haflinger mares, aged four to 18 years, during the first (T1), second (T2) and third (T3) trimester of pregnancy. Blood creatinine and gamma glutamyl transferase (GGT) values were evaluated. Serum concentrations of osteocalcin and carboxy-terminal cross-linking telopeptide of type I collagen (CTX-I) were determined using an equine specific osteocalcin radioimmunoassay and an automated CTX-I electrochemiluminescent sandwich antibody assay. Results All mares had normal creatinine and GGT values. Serum CTX-I values significantly increased during the last trimester of pregnancy. Serum osteocalcin concentrations were lowest at T2 and increased thereafter at T3. Conclusions Changes in bone turnover seem to depend on the stage of pregnancy in multiparous mares. Highest values of serum CTX-I and osteocalcin were obtained in the last trimester of pregnancy. [less ▲]

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See detailCarbon balance of a grazed grassland in Belgium
Jerome, Elisabeth ULg; Beckers, Yves ULg; Bodson, Bernard ULg et al

in Communications in Agricultural and Applied Biological Sciences (2012, February 10)

This work seeks to analyze the carbon balance of a managed permanent grassland grazed by the “Blanc Bleu Belge” breed of cattle. The study site is located at Dorinne. The experimental field was equipped ... [more ▼]

This work seeks to analyze the carbon balance of a managed permanent grassland grazed by the “Blanc Bleu Belge” breed of cattle. The study site is located at Dorinne. The experimental field was equipped with an eddy covariance system that measured CO2 fluxes and with a micrometeorological station. Carbon exported through mowing, imported through compost application or through complementary feeds for cattle was also measured. Carbon lost through CH4 emissions was finally estimated, allowing the establishment of a full C budget. In addition, the vegetation development was followed in order to estimate herbage production and dry matter intake by grazing animals. First year full carbon budget is presented and discussed, in relation with climate conditions and management practices. [less ▲]

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See detailSoil Respiration in forest Ecosystems: Combination of a multilayer Approach and an Isotopic Signal Analysis
Goffin, Stéphanie ULg; Longdoz, Bernard; Maier, Martin et al

in Communications in Agricultural and Applied Biological Sciences (2012, February 10)

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See detailL'architecture postmoderniste dans la tourmente de l'idéologie du progrès
Steinmetz, Rudy ULg

in André Valérie, Contzen Jean-Pierre (Ed.) L'idéologie du progrès dans la tourmente du postmodernisme (2012, February 10)

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See detailInfluence de l'apport de différentes sources lipidiques en fin de gestation sur les résultats techniques des truies allaitantes et de leurs porcelets
Boudry, Christelle ULg; Vanrobays, Marie-Laure ULg; Devos, Sven

in IFIP; INRA (Eds.) 44èmes journées de la Recherche Porcine (2012, February 08)

From day 103 in gestation until farrowing, 4 successive groups of 15 sows received 70 g per day of one of the 3 following oils: 1) coconut oil (CO); 2) fish oil (FO) and 3) shark liver oil (SO). At day ... [more ▼]

From day 103 in gestation until farrowing, 4 successive groups of 15 sows received 70 g per day of one of the 3 following oils: 1) coconut oil (CO); 2) fish oil (FO) and 3) shark liver oil (SO). At day 102 of gestation, at farrowing and at weaning, backfat thickness of the sows was determined. The total number of piglets, the number of piglets born alive, stillborn and dead during the suckling period and the duration of gestation were measured. At birth as well as 24 hours, 14 days and 28 days (weaning) later, the piglets were weighed individually. Colostrum samples were collected at farrowing and 24 hours later for the determination of IgG and IgA contents and the fatty acid profile. Neither performance parameters of the sows nor IgG and IgA concentrations in colostrum were affected by the different dietary treatments. This was probably due to the short duration of trial period in which the oil supplements were administered. However, the colostral fatty acid profiles reflected very well the profiles of the supplemented oils. Furthermore, the different treatments affected the growth performances of the piglets. At weaning, the piglets from the FO treatment were respectively 263 and 329 g heavier than the piglets from the SO and CO treatments (P < 0.05). This corresponded to 4.2 % and 5.8 % increase of the ADG in comparison to the SO and CO treatments, respectively. These results show the importance of the fatty acid composition in colostrum on the performances of piglets and consequently the importance of the feeding of sows at the end of gestation. [less ▲]

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See detail1. Implantation des cultures
Bodson, Bernard ULg; Roisin, Christian; Vancutsem, Françoise ULg et al

in Livre Blanc - Céréales - Gembloux (2012, February 06)

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See detailSolar-like pulsating stars as distance indicators: G-K giants in the CoRoT and Kepler fields
Miglio, A.; Morel, Thierry ULg; Barbieri, M. et al

in European Physical Journal Web of Conferences (2012, February 01)

The detection of radial and non-radial solar-like oscillations in thousands of G-K giants with CoRoT and Kepler is paving the road for detailed studies of stellar populations in the Galaxy. The available ... [more ▼]

The detection of radial and non-radial solar-like oscillations in thousands of G-K giants with CoRoT and Kepler is paving the road for detailed studies of stellar populations in the Galaxy. The available average seismic constraints allow a precise and largely model-independent determination of stellar radii (hence distances) and masses. We here briefly report on the distance determination of thousands of giants in the CoRoT and Kepler fields of view. [less ▲]

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See detailFirst results for the solar neighborhood of the Asiago Red Clump Survey
Valentini, Marica ULg; Munari, U.; Saguner, T. et al

in European Physical Journal Web of Conferences (2012, February 01)

The Asiago Red Clump Spectroscopic Survey (ARCS) is an ongoing survey that provides atmospheric parameters, distances and space velocities of a well selected sample of Red Clump stars distributed along ... [more ▼]

The Asiago Red Clump Spectroscopic Survey (ARCS) is an ongoing survey that provides atmospheric parameters, distances and space velocities of a well selected sample of Red Clump stars distributed along the celestial equator. We used the ARCS catalog for a preliminary investigation of the Galactic disk in the Solar Neighborhood, in particular we focused on detection and characterization of moving groups. [less ▲]

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See detailLe portail de Mont-devant-Sassey : aspects iconographiques
Lekane, Marie ULg

in Conroy, Jean-François (Ed.) Actes du 11ème colloque international étudiant du Département d'histoire de l'Université Laval (2012, February)

Le portail sculpté méridional de Mont-devant-Sassey est intéressant à plus d’un titre. Premièrement, il est le portail gothique lorrain le mieux conservé qui soit, comme la critique d’authenticité le ... [more ▼]

Le portail sculpté méridional de Mont-devant-Sassey est intéressant à plus d’un titre. Premièrement, il est le portail gothique lorrain le mieux conservé qui soit, comme la critique d’authenticité le confirme. Ensuite, certains des choix iconographiques effectués par le « commanditaire » sont surprenants, inusités, voire inédits. Enfin, en raison de sa situation géographique char- nière entre le domaine français et l’Empire germanique, les sculpteurs ont pu profiter des innovations sculpturales introduites tant à l’ouest qu’à l’est et les combiner de manière originale. Le présent article est l’occasion de renouveler l’identification iconographique de certaines figures, de proposer une datation de l’ensemble et de suggérer les transferts artistiques attestés par le portail (réception de formules iconographiques et stylistiques mises en place dans des grands centres). [less ▲]

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See detailEstimation of human orientation based on silhouettes and machine learning principles
Pierard, Sébastien ULg; Van Droogenbroeck, Marc ULg

in International conference on pattern recognition applications and methods (ICPRAM) (2012, February)

Estimating the orientation of the observed person is a crucial task for home entertainment, man-machine interaction, intelligent vehicles, etc. This is possible but complex with a single camera because it ... [more ▼]

Estimating the orientation of the observed person is a crucial task for home entertainment, man-machine interaction, intelligent vehicles, etc. This is possible but complex with a single camera because it only provides one side view. To decrease the sensitivity to color and texture, we use the silhouette to infer the orientation. Under these conditions, we show that the only intrinsic limitation is to confuse the orientation q with the supplementary angle (that is 180°-theta), and that the shape descriptor must distinguish between mirrored images. In this paper, the orientation estimation is expressed and solved in the terms of a regression problem and supervised learning. In our experiments, we have tested and compared 18 shape descriptors; the best one achieves a mean error of 5:24°. However, because of the intrinsic limitation mentioned above, the range of orientations is limited to 180°. Our method is easy to implement and outperforms existing techniques. [less ▲]

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See detailLa cécidomyie équestre : un ravageur à tenir à l'oeil
Censier, Florence ULg; Chavalle, Sandrine; De Proft, Michel et al

in Destain, Jean-Pierre; Bodson, Bernard (Eds.) Livre Blanc Céréales (2012, February)

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See detailThe Taoussa project (Mali): an example of effective composite modeling
Erpicum, Sébastien ULg; Dewals, Benjamin ULg; Vuillot, Jean Marie et al

in 4th IAHR International Symposium on Hydraulic Structures (2012, February)

Physical modeling and numerical modeling are two efficient analysis approaches in hydraulic engineering. The interactive application of both methods is obviously the more effective response to most flow ... [more ▼]

Physical modeling and numerical modeling are two efficient analysis approaches in hydraulic engineering. The interactive application of both methods is obviously the more effective response to most flow problems analyses. This paper presents the results of a successful application of such a composite numerical – physical study carried out by the Research Group Hydraulics in Environmental and Civil Engineering (former HACH) of the University of Liège on behalf of Coyne et Bellier (Tractebel Engineering). It concerned, at the stage of detailed draft, the hydraulic study of the Taoussa Project on the Niger River in Mali. The studies, performed in less than 6 months, focused on the flow characteristics at the scale of the reservoir and the river, using the numerical approach, as well as on hydrodynamic details in the spillway using a large scale factor physical model with boundary conditions defined on the basis of numerical modeling. [less ▲]

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See detailDeterminism in tropical forest biomass distribution due to forest spatial structure, highlighted by the study of the edge effect.
Bastin, Jean-François ULg; Bogaert, Jan; De Cannière, Charles

in Islands in land- and seascape: the challenges of fragmentation, Erlangen February 2012 (2012, February)

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See detailWhat have the last outbreaks of atypical myopathy in Europe told us: new epidemiological evidence.
Votion, Dominique ULg

in Verwilghen, Denis; Van Galen, Gaby; Busoni, Valeria (Eds.) Belgian International Congress: Hippos 2012 (2012, February)

Atypical myopathy outbreaks are of an acute and unexpected nature and the information given in this review aims at helping equine practitioners in the recognition and handling of a suspected case in the ... [more ▼]

Atypical myopathy outbreaks are of an acute and unexpected nature and the information given in this review aims at helping equine practitioners in the recognition and handling of a suspected case in the event of AM outbreaks. So, this review (1) describes the diagnostic tools for AM, (2) reports prognostic criteria, and (3) lists preventive measures based on recent epidemiological surveys. [less ▲]

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See detailPièges à cécidomyies : des outils pour la lutte intégrée
Chavalle, Sandrine; Censier, Florence ULg; De Proft, Michel

in Destain, Jean-Pierre; Bodson, Bernard (Eds.) Livre Blanc Céréales (2012, February)

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See detailWhat have the last outbreaks of atypical myopathy in Europe told us: new treatment plans
Van Galen, Gaby ULg; Votion, Dominique ULg

in Verwilghen, Denis; Van Galen, Gaby; Busoni, Valeria (Eds.) Belgian International Congress: Hippos 2012 (2012, February)

Management and treatment of atypical myopathy cases

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See detailOn the human pose recovery based on a single view
Pierard, Sébastien ULg; Van Droogenbroeck, Marc ULg

in International conference on pattern recognition applications and methods (ICPRAM) (2012, February)

Estimating the pose of the observed person is crucial for a large variety of applications including home entertainment, man-machine interaction, video surveillance, etc. Often, only a single side view is ... [more ▼]

Estimating the pose of the observed person is crucial for a large variety of applications including home entertainment, man-machine interaction, video surveillance, etc. Often, only a single side view is available, but authors claim that it is possible to derive the pose despite that humans evolve in a 3D environment. In addition, to decrease the sensitivity to color and texture, it is preferable to rely only on the silhouette to recover the pose. Under these conditions, we show that there is an intrinsic limitation: at least two poses correspond to the observed silhouette. We discuss this intrinsic limitation in details in this short paper. To our knowledge, this issue has been overlooked by authors in the past. We observe that this limitation has an impact on the way previous reported results should be interpreted, and it has clearly to be taken into account for designing new methods. [less ▲]

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See detailForensic study of volatile organic compounds released from decaying bodies
Stefanuto, Pierre-Hugues ULg; Brasseur, Catherine ULg; Dekeirsschieter, Jessica ULg et al

in Hyphenated Techniques in Chromatography-12 Book of abstracts (2012, February)

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See detailIdentifying and computing nonlinear normal modes
Cammarano, A.; Carrella, A.; Renson, Ludovic ULg et al

in Proceedings of the SEM IMAC XXX Conference (2012, February)

Non linear normal modes offer a rigorous framework, both mathematical and physical, for theoretical and experimental dynamical analysis. Albeit still in its infancy, the concept of non linear normal modes ... [more ▼]

Non linear normal modes offer a rigorous framework, both mathematical and physical, for theoretical and experimental dynamical analysis. Albeit still in its infancy, the concept of non linear normal modes has the potential of providing to both the academic and the industrial establishment a powerful tool for the analysis of non linear dynamical systems. However, in order to exploit the full potential of this theory (and its associated simulation capability), there is need to integrate it with other branches of non linear structural dynamics: namely, in order for the non linear normal modes of a real - physical - structure to be computed, there is need to identify and quantify its non linearity. In this paper, an identification method based on the measured Frequency Response Function (FRF) is employed to identify and quantify the system's non linearity before computing the system's non linear normal modes. [less ▲]

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See detailGC×GC TOFMS analysis of tobacco mainstream smoke
Brokl, Michal ULg; Bishop; Wright et al

in HTC-12 Book of abstracts (2012, February)

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See detailLearning to play K-armed bandit problems
Maes, Francis ULg; Wehenkel, Louis ULg; Ernst, Damien ULg

in Proceedings of the 4th International Conference on Agents and Artificial Intelligence (ICAART 2012) (2012, February)

We propose a learning approach to pre-compute K-armed bandit playing policies by exploiting prior information describing the class of problems targeted by the player. Our algorithm first samples a set of K ... [more ▼]

We propose a learning approach to pre-compute K-armed bandit playing policies by exploiting prior information describing the class of problems targeted by the player. Our algorithm first samples a set of K-armed bandit problems from the given prior, and then chooses in a space of candidate policies one that gives the best average performances over these problems. The candidate policies use an index for ranking the arms and pick at each play the arm with the highest index; the index for each arm is computed in the form of a linear combination of features describing the history of plays (e.g., number of draws, average reward, variance of rewards and higher order moments), and an estimation of distribution algorithm is used to determine its optimal parameters in the form of feature weights. We carry out simulations in the case where the prior assumes a fixed number of Bernoulli arms, a fixed horizon, and uniformly distributed parameters of the Bernoulli arms. These simulations show that learned strategies perform very well with respect to several other strategies previously proposed in the literature (UCB1, UCB2, UCB-V, KL-UCB and $\epsilon_n$-GREEDY); they also highlight the robustness of these strategies with respect to wrong prior information. [less ▲]

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See detailLe Parlement Jeunesse de la Communauté française, une initiative citoyenne ?
Wintgens, Sophie ULg; Dabée, Maëlle

in Fournier, Bernard; Hudon, Raymond (Eds.) Engagements politiques et citoyens de jeunes. Bilans et expériences au Canada et en Europe (2012, February)

Créée en 1997 dans l'esprit du modèle québécois, l'ASBL Parlement Jeunesse de la Communauté française organise annuellement une simulation parlementaire à destination de jeunes francophones résidants en ... [more ▼]

Créée en 1997 dans l'esprit du modèle québécois, l'ASBL Parlement Jeunesse de la Communauté française organise annuellement une simulation parlementaire à destination de jeunes francophones résidants en Belgique, âgés de 17 à 26 ans. Cette initiative citoyenne permet ainsi à une centaine de jeunes, idéalement issus de tous milieux et de tous horizons, de découvrir les rouages internes de la démocratie, conformément aux mécanismes et procédures propres au système parlementaire belge. Là où nombre d'études scientifiques sur l'engagement politique des jeunes s'accordent sur la prévalence d'un désintérêt manifeste et – plus largement – sur une tendance générale au déclin de l'engagement politique chez les jeunes, l'action citoyenne mise en œuvre par le Parlement Jeunesse témoigne en réalité de l'existence de formes moins classiques – dans le cas présent, associative – de socialisation des jeunes à la « chose politique ». L’objectif général poursuivi dans cette contribution est d'identifier la nature et les fondements de l'engagement politique déployé à travers cette jeune initiative, ainsi que d’en mesurer la portée et les limites. Dès lors, en quoi le Parlement Jeunesse participe-t-il de l’engagement politique des jeunes ? Ne contribue-t-il qu’au renforcement d’un intérêt politique latent et préexistant ? A contrario, participe-t-il de la construction d’un engagement politique au départ d’un processus d’apprentissage pratique des rouages de la démocratie parlementaire ? En d’autres termes, quelles sont les forces et les faiblesses de cette initiative citoyenne en terme de socialisation politique de la jeunesse ? [less ▲]

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See detailLes mentions autographes dans les missives 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) » (2012, January 27)

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See detailLait et métabolisme phosphocalcique
GADISSEUR, Romy ULg; CAVALIER, Etienne ULg

in CIAB ALLER-J Club d'Immuno-Allergologie Biologique (2012, January 15)

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See detailNew constraints on very light pseudoscalars
Payez, Alexandre ULg; Cudell, Jean-René ULg; Hutsemekers, Damien ULg

in Zioutas, K. (Ed.) 7th Patras Workshop on Axions, WIMPs and WISPs (2012, January 01)

Nearly massless axion-like particles are of interest for astrophysical observations, and some constraints on their parameter space do exist in the literature. Here, we propose to put new constraints on ... [more ▼]

Nearly massless axion-like particles are of interest for astrophysical observations, and some constraints on their parameter space do exist in the literature. Here, we propose to put new constraints on these particles using polarisation and, in particular, the polarisation differences observed between different quasar classes. [less ▲]

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See detailMixed Lubrication Regime in Cold Strip Rolling
Carretta, Yves ULg; Boman, Romain ULg; Legrand, Nicolas et al

in 2nd Annual ArcelorMittal CFD and Thermomechanics Days 2012 (2012, January)

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See detailComparison of spray retention on synthetic superhydrophobic surface with retention on outdoor grown wheat leaves
Massinon, Mathieu ULg; Lebeau, Frédéric ULg

in International Advances in Pesticide Application: Aspects of Applied Biology 114, 2012 (2012, January)

A method has been designed to test the retention of drops generated by a moving agricultural nozzle using high speed imaging both on synthetic and leaf surfaces. The method allows a precise investigation ... [more ▼]

A method has been designed to test the retention of drops generated by a moving agricultural nozzle using high speed imaging both on synthetic and leaf surfaces. The method allows a precise investigation of spray retention by a characterisation of impact speed, drop diameter and impact behaviour. The paper presents a comparison of the spray behaviour on the synthetic surface with the behaviour on outdoor grown wheat leaves fixed on a microscope slide. Target surfaces were horizontal. A range of surface tension was tested using the tank-mix adjuvant Break-Thru S240 at different concentrations in distilled water. Results show the relevance of a synthetic surface for use as reference for the assessment of spray application efficiency. The drop behaviour on the superhydrophobic slide was representative of difficult-to-wet leaves surfaces. The reference surface avoids the natural variability of leaves and is therefore more suited to conduct comparative assessment of formulation retention performance. [less ▲]

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See detailConception d'un référentiel comme colonne vertébrale d'un Master en alternance en génie analytique
Dupont, Chantal ULg; Francois, Dominique ULg; Walravens, Thérèse et al

in Actes du 24e colloque de l’Admée-Europe : L’évaluation des compétences en milieu scolaire et en milieu professionnel (2012, January)

Confrontée au défi d’adapter sa formation, un master en alternance en génie analytique, à la réalité et aux besoins émergents des industries, l’équipe de coordination a entrepris de définir un référentiel ... [more ▼]

Confrontée au défi d’adapter sa formation, un master en alternance en génie analytique, à la réalité et aux besoins émergents des industries, l’équipe de coordination a entrepris de définir un référentiel de compétences. Cette communication présente la méthodologie utilisée pour élaborer ce référentiel et décrit le dispositif de formation ainsi que les nécessaires ajustements à réaliser pour veiller à sa cohérence. Elle met en évidence les implications d’une telle réflexion aussi bien au niveau institutionnel que pédagogique. [less ▲]

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See detailLes étudiants sont-ils compétents pour évaluer la qualité des enseignements
Detroz, Pascal ULg

in Dierendonck, Christophe (Ed.) Actes du colloque du 24ème colloque de l'ADMEE (2012, January)

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See detailRelease and Innate detection of host cell DNA mediates the adjuvant effects of aluminum salts on adaptive responses
Marichal, Thomas ULg; Ohata, Keichii; Bedoret, Denis et al

in Proceedings of the 1St Winter School Immunology (2012, January)

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See detailCombining Territorial Data With Thermal Simulations to Improve Energy Management of Suburban Areas
Marique, Anne-Françoise ULg; Petel, Maud; Hamdi, Asma et al

in Proceedings of GEOProcessing 2012 (2012, January)

Urban sprawl has been identified as a major issue for sustainable development. Energy consumption in suburban buildings, in particular, is a widespread issue because detached types of houses require ... [more ▼]

Urban sprawl has been identified as a major issue for sustainable development. Energy consumption in suburban buildings, in particular, is a widespread issue because detached types of houses require significantly more energy to be heated than more compact urban forms. Energy efficiency is often presented as a viable approach to the mitigation of climate change, but research and studies mainly contend with individual buildings and do not address this issue at larger territorial scales or for a whole building stock. In this respect, this paper first presents a morphological definition of urban sprawl. This definition uses territorial and cadastral data available for the Walloon region of Belgium. Using this definition, a suburban type classification adapted to thermal studies is drawn up. A representative block of each type is selected to model energy use and to determine the total energy consumption of the whole suburban building stock. An application is then presented concerning a comparison of potential energy savings associated with several renovation strategies. The results of this exercise are presented and highlight the benefits of combining Geographic Information Systems (GIS) tools, territorial data and thermal simulations for the efficient energy management of suburban areas at the scale of the whole building stock. [less ▲]

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See detailUnsteady Navier-Stokes simulation of low-Reynolds stall flutter
Yabili, Sacha ULg; Smith, Marilyn; Dimitriadis, Grigorios ULg

in Proceedings of the 50th AIAA Aerospace Sciences Meeting (2012, January)

A solver has been developed within the OpenFoam framework to compute large amplitude motion of two-dimensional rigid configurations. The results obtained with this code were successfully validated on ... [more ▼]

A solver has been developed within the OpenFoam framework to compute large amplitude motion of two-dimensional rigid configurations. The results obtained with this code were successfully validated on rigid airfoils at static and dynamic conditions, as well as correlated with experimental data and numerical solutions from similar unsteady solvers. The results demonstrate that current computational methods are, within the constraints imposed by spatial grids, temporal integration and turbulence modeling, capable of capturing the self-sustained oscillations characterizing stall flutter event with reasonable accuracy, including the mechanisms of energy transfer. [less ▲]

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See detailApplication of the restoring force surface method to a real-life spacecraft structure
Noël, Jean-Philippe ULg; Kerschen, Gaëtan ULg; Newerla, Alfred

in Proceedings of the International Modal Analysis Conference (IMAC) XXX (2012, January)

Many nonlinear system identification methods have been introduced in the technical literature during the last thirty years. However, few of these methods were applied to real-life structures. In this ... [more ▼]

Many nonlinear system identification methods have been introduced in the technical literature during the last thirty years. However, few of these methods were applied to real-life structures. In this context, the objective of the present paper is to demonstrate that the Restoring Force Surface (RFS) method can provide a reliable identification of a nonlinear spacecraft structure. The nonlinear component comprises an inertia wheel mounted on a support, the motion of which is constrained by eight elastomer plots and mechanical stops. Several adaptations to the RFS method are proposed, which include the elimination of kinematic constraints and the regularization of ill-conditioned inverse problems. The proposed methodology is demonstrated using numerical data. [less ▲]

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See detailA finite volume based data transfer method for remeshing. Application to metal forming problems
Bussetta, Philippe ULg; Ponthot, Jean-Philippe ULg

in Proceedings of the 18th International Symposium on Plasticity & Its Current Applications (2012, January)

The resolution of many nonlinear solid mechanical problems with the Finite Elements Method requires remeshing when very large deformations occur. The remeshing operation is divided into two parts: the ... [more ▼]

The resolution of many nonlinear solid mechanical problems with the Finite Elements Method requires remeshing when very large deformations occur. The remeshing operation is divided into two parts: the generation of the new mesh and the data transfer from the old to the new mesh. In dynamic plasticity problems, two kinds of fields have to be transferred: the first is defined thanks to the nodal values and the second one is defined at the integration points. These two kinds of fields are transferred thanks to an original computation of the Data Transfer Method based on the Finite Volume Elements. This method is compared to another one using Mortar Elements to solve metal forming problems. [less ▲]

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See detailALE Simulations of Metal Forming Processes
Boman, Romain ULg; Ponthot, Jean-Philippe ULg

in Akhtar S. Khan; Farhoud Kabirian; Jian Liu (Eds.) Non-linear Response of Conventional & Advanced Materials, and Multi-scale Modeling (2012, January)

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See detailLorsqu'une filière s'identifie à son territoire: que nous apprend l'expérience du "Boeuf des prairies gaumaises"
Stassart, Pierre M ULg; Stilmant, Didier

in Thewis, André (Ed.) Actes des <XVII Carrefours des productions animales (2012)

We propose in this paper to make an evaluation of the emergeant of a small food chain "boeuf des prairies gaumaises (os from gaumaise grassland) that has started in 2003 and the first sold os in 2007. As ... [more ▼]

We propose in this paper to make an evaluation of the emergeant of a small food chain "boeuf des prairies gaumaises (os from gaumaise grassland) that has started in 2003 and the first sold os in 2007. As interdisciplinary research team (stockfarming system and environmental sociology) we have sustained the emergence of this experience during an intervention resarch. [less ▲]

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See detailShape simulation of granular particles in concrete and applications in DEM
Huan, He; Stroeven, Piet; Pirard, Eric ULg et al

in Brandt, A.M.; Olek, J.; Glinicki, L.A. (Eds.) et al Proceedings of the International Symposium Brittle Matrix Composites 10 (2012)

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See detailExperimental investigation of droplet biosensing by multi-wavelength plasmonic
Desfours, Caroline ULg; Habraken, Serge ULg; Hastanin, Juriy ULg et al

in Proceedings of SPIE Vol. 8234 : Plasmonics in Biology and Medicine IX (2012)

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See detailLa compatibilité du métier de secrétaire communal avec d’autres fonctions : aperçu de lege lata, de lege peractura et de lege ferenda
Donnay, Luc ULg

in L'indépendance du secrétaire communal : utopie ou réalité? (2012)

Il s'agit d'un examen de la compatibilité du métier de secrétaire communal avec d'autres fonctions au regard de la situation législative actuelle et des projets de réformes en cours.

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See detailLes insertions lyriques dans le théâtre médiéval
Henrard, Nadine ULg

in Grossel, Marie-Geneviève (Ed.) La chanson de trouvère — formes, registres, genres — (2012)

Pour mettre en évidence certains passages des mystères et structurer leur texte, les fatistes ont eu recours à des variations métriques. Il s’agit souvent de rompre la succession des octosyllabes à rimes ... [more ▼]

Pour mettre en évidence certains passages des mystères et structurer leur texte, les fatistes ont eu recours à des variations métriques. Il s’agit souvent de rompre la succession des octosyllabes à rimes plates par une diversification de l’agencement des rimes ou par l’utilisation d’autres types de vers. Mais les fatistes n’hésitent pas à couler les dialogues dans des structures beaucoup plus élaborées qui empruntent à des formes consacrées en poésie, comme celles du rondeau, ou plus sporadiquement, de la ballade. Il s’agira d’examiner comment ces morceaux lyriques s’insèrent dans le cours du drame, en s’interrogeant sur les lieux privilégiés où ils apparaissent, sur la manière dont les vers qui les composent se distribuent, et sur leur articulation éventuelle avec le paratexte didascalique (la rubrique permet-elle le repérage du morceau par une mention précise ? contient-elle des indications quant à une exécution musicale ? y a-t-il des verbes introducteurs spécifiques liés à ces énoncés ? ces passages entraînent-ils une mise en scène particulière ? etc). L'étude s'intéresse ainsi à la manière dont la lyrique est mise au service des effets dramatiques. Les exemples sont empruntés à des drames liturgiques bilingues, et des mystères en langue d’oïl et d'oc. [less ▲]

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See detailModelling of the Excavation Damaged Zone in Opalinus Clay
Levasseur, Séverine ULg; Collin, Frédéric ULg; Charlier, Robert ULg

in Post-TIMODAZ International Workshop THM effects in clay host rocks for radioactive waste repositories (2012)

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See detailLemmatiser un corpus de textes hagiographiques : enjeux et modalités pratiques
Philippart de Foy, Caroline ULg

in Biville, Frédérique; Lhommé, Marie-Karine; Vallat, Daniel (Eds.) Actes du IXe Colloque international sur le latin vulgaire et tardif (LVLT9), Lyon, 2-6 Septembre 2009 (2012)

This paper deals with the lemmatisation process of a corpus of Latin hagiographic texts translated from Greek from the early Middle Ages onwards. The discussion concerns the well-known LASLA (Laboratoire ... [more ▼]

This paper deals with the lemmatisation process of a corpus of Latin hagiographic texts translated from Greek from the early Middle Ages onwards. The discussion concerns the well-known LASLA (Laboratoire d’Analyse Statistique des Langues Anciennes, University of Liège) method, initially developed for Classical Greek and Latin texts, and the conflicts that arise when it is applied to medieval texts. Some of the most complicated cases are produced regarding uses differing from Classical Latin (especially changes of declension) with a suggestion of how to solve them. [less ▲]

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See detailInvestigation of the glucose metabolism of the chicken by embryonic injection of tolbutamide
Franssens, Lies; Wang, Yufeng; Willems, Els et al

in Investigation of the glucose metabolism of the chicken by embryonic injection of tolbutamide (2012)

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See detailEffets des fibres et du type de sol sur les émissions de gaz à effet de serre et d'ammoniac associées à l’élevage de truies
Philippe, François-Xavier ULg; Laitat, Martine ULg; Wavreille, José et al

in 44èmes Journées de la Recherche Porcine (2012)

A study was carried out to investigate the effect of dietary fibre content (23% of non-starch polysaccharides (NSP) with a standard diet based on cereals vs. 44% of NSP with a fibrous diet based on sugar ... [more ▼]

A study was carried out to investigate the effect of dietary fibre content (23% of non-starch polysaccharides (NSP) with a standard diet based on cereals vs. 44% of NSP with a fibrous diet based on sugar beet pulp) and the floor type (slatted floor vs. straw-based deep litter) on emissions of ammonia (NH3), nitrous oxide (N2O), methane (CH4) and CO2-equivalents (Eq-CO2). Six successive batches of 10 gestating sows were divided into 2 groups kept in 2 experimental rooms differing by the floor type. The standard diet was administered to the sows of the first 3 batches, the fibrous diet to the sows of the next 3 batches. Emissions were measured by infra-red photoacoustic detection. With the slatted floor, the fibrous diet decreased NH3 emission (12.0 vs. 15.5 g sow-1.d-1) but increased the Eq-CO2 emissions (0.69 vs. 0.57 kg sow-1.d-1) in relation to an increase of CH4 emissions (18.4 vs. 12.8 g sow-1.d-1), the N2O emissions not being impacted by the diet, with value around 0.62 g sow-1.d-1. With the straw-bedded floor, the fibrous diet increased the emissions of NH3 (12.3 vs. 9.2 g sow-1.d-1) and CH4 (14.6 vs. 9.6 g sow-1.d-1) but decreased N2O emissions (0.99 vs. 1.64 g/ sow-1.d-1) with the consequence that Eq-CO2 emissions were similar for the two diets, around 0.74 kg sow-1.d-1. [less ▲]

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See detailLe droit d'action du justiciable contre certaines mesures de l'administration sociale
Kefer, Fabienne ULg

in Actions orphelines et voies de recours en droit social (2012)

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See detailEvolution du marché mondial du blé au cours des cinquante dernières années
Terrones Gavira, François ULg; Burny, Philippe ULg

in Destain, J.-P.; Bodson, B. (Eds.) Livre blanc "Céréales-Gembloux", édition février 2012 (2012)

Née concrètement en 1962, la Politique Agricole Commune (PAC) célèbre ses cinquante ans d'existence en 2012. Mais la PAC se trouve aussi à la veille d'un nouveau tournant à partir de 2014, avec une Union ... [more ▼]

Née concrètement en 1962, la Politique Agricole Commune (PAC) célèbre ses cinquante ans d'existence en 2012. Mais la PAC se trouve aussi à la veille d'un nouveau tournant à partir de 2014, avec une Union européenne passée de six à vingt-huit membres. Dans le même temps, notre planète a enregistré, depuis les années 60, une véritable explosion démographique et un développement économique sans précédent. De plus, la population mondiale, qui vient de franchir le cap des sept milliards, devrait dépasser les neuf milliards d'individus en 2050. De nombreuses questions se posent alors face aux incertitudes de l'avenir : l'agriculture pourra-t-elle subvenir aux besoins alimentaires d'une population toujours croissante ? Quels seront les modèles d'agriculture les mieux adaptés ? Est-il judicieux de poursuivre, voir de développer la production d'agro-carburant à partir de céréales ? ... Les nouveaux défis lancés à l'agriculture peuvent paraître insurmontables. Mais, de fait, que s'est-il produit dans le passé récent ? Comment ont évolué les "performances" du secteur agricole ? L'agriculture a-t-elle déjà fait face à des défis majeurs ? Pour répondre, au moins partiellement, à ces questions, il est apparu intéressant de prendre un peu de recul et d'analyser l'évolution au cours des dernières années de la production et des échanges mondiaux d'un produit agricole qui reste stratégique : le blé. Les lignes qui suivent présentent donc rapidement les chiffres clés relatifs à l'évolution du blé au niveau mondial, au cours du dernier demi-siècle. [less ▲]

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See detailDevelopment of riveting technology through an analysis of Belgian patents (1830-1940)
Collette, Quentin; Wouters, Ine; de Favereau, Corentin et al

in Jasienko, Jerzy (Ed.) Proceedings of the International Conference on Structural Analysis of Historical Constructions (SAHC 2012) (2012)

The development of riveting technology in iron and steel structures in the 19th and 20th centuries were highly promoted by patents. Although riveting was widely used in buildings and civil engineering ... [more ▼]

The development of riveting technology in iron and steel structures in the 19th and 20th centuries were highly promoted by patents. Although riveting was widely used in buildings and civil engineering structures, little information about the development of this technology – how rivets were manufactured, various installation techniques – is available in literature. This paper discusses a database of patents related to riveting technology that was created to better understand the innovations in riveted connections and their technological evolution. The database includes patents relating to rivets registered in Belgium between 1830 and 1940. Belgian patents are a good proxy for inventiveness in riveting technology in this period, in industrialized countries generally, not only Belgium. As one of the most industrialized countries, Belgium attracted inventors from many countries seeking to register their inventions: foreign inventions represented approximately 75% of all patents. Breakthroughs by important Belgian, French, British, and American inventors/companies are represented in this source. A methodology based on both quantitative and qualitative analyses was implemented. The quantitative analysis dealt with the entire database and explored several key parameters, for example, the subject of the patent and the patenting organization/person. The database also permitted qualitative analyses; specifically, it helped enlarge our understanding of pioneering inventors and their inventions, in the important categories of rivet manufacturing (1855-1870) and installation techniques (1895-1910). As background for the conservation and renovation of historic iron and steel structures, it is vital to have an understanding of the know-how that was available over time. This kind of information is revealed in the patent record [less ▲]

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See detailModel-based Monitoring of Septic Shock Treated with Large-Pore Hemofiltration Therapy
Revie; Stevenson, D; Chase, JG et al

in Proceedings of BMS 2012 (2012)

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See detailTexte et contexte des papyrus iatromagiques grecs : recherches sur les conditions matérielles de réalisation des formulaires et des amulettes
de Haro Sanchez, Magali ULg

in Schubert, Paul (Ed.) Actes du 26e Congrès International de Papyrologie (Genève, 2010) (2012)

Se présentant principalement sous la forme de formulaires et d’amulettes, les papyrus iatromagiques grecs (Ier av. J.-C. – VIIe apr. J.-C.) possèdent des caractéristiques telles que la disposition du ... [more ▼]

Se présentant principalement sous la forme de formulaires et d’amulettes, les papyrus iatromagiques grecs (Ier av. J.-C. – VIIe apr. J.-C.) possèdent des caractéristiques telles que la disposition du texte sous forme de catalogue, des traces d’utilisations (plis, corrections et additions, par exemple), ainsi que la présence de symboles magiques. Quel rapport ont ces particularités avec le contenu du texte ? A quelles contraintes matérielles ont été soumis les concepteurs de tels documents ? Quel soin ont-ils mis à leur réalisation ? Poursuivant nos recherches sur Les influences multiculturelles sur la forme, la présentation, l’illustration et le contenu des papyrus iatromagiques, c’est à ces questions que nous tenterons de répondre, en exposant notamment les observations effectuées au cours de la fabrication de répliques de ces amulettes, telles qu’elles se présentent à ce jour, ou telles qu’elles ont été prescrites dans les formulaires. Pour les formulaires, on procédera à une restauration numérique, à l’aide des photographies fournies par les institutions qui les conservent. [less ▲]

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See detailBiocontrol and other alternative control methods against pre-and post-harvest pome fruit diseases.
Jijakli, Haissam ULg

in Creemers, Piet (Ed.) Intergrated Plant Protection in Fruit Crops. Subgroup"Pome Fruit Diseases" (2012)

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See detailMicroRNA-146a, a downstream effector of 16kDa prolactin, impairs the endothelium-cardiomyocyte cross-talk in peripartum cardiomyopathy
Struman, Ingrid ULg; Halkein, Julie ULg; Tabruyn, Sébastien ULg et al

in FASEB meeting:the Growth Hormone/Prolactin Family in Biology and Disease. (2012)

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See detailImproving Generalization for 3D Object Categorization with Global Structure Histograms
Madry, Marianna; Ek, Carl Henrik; Detry, Renaud ULg et al

in IEEE/RSJ International Conference on Intelligent Robots and Systems (2012)

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See detailEstimation of temporal lags for the inference of gene regulatory networks from time series (inproceedings) Author
Lopes, Miguel; Meyer, Patrick ULg; Bontempi, Gianluca

in In proceedings of BENELEARN'12 (2012)

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See detailLes différentes fonctions de la résolution de problèmes sont-elles présentes dans l’enseignement primaire en Communauté française de Belgique ?
Demonty, Isabelle ULg; Fagnant, Annick ULg

in Dorier, J-L.; Coutat, S. (Eds.) Enseignement des mathématiques et contrat social : enjeux et défis pour le 21 e siècle – Actes du colloque EMF2012 (2012)

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See detailExtensions of the INCL model to light ion induced reactions for medical and space applications
Boudard, A.; Braunn, B.; Cugnon, Joseph ULg et al

in CERN-Proceedings-2012-002 (2012) 417-422 (2012)

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See detailNumerical Analysis of the Passive Heating of Building integrated Phase Change Materials
Faraji, M.; Najam, M.; El Alami, M. et al

in ECCOMAS Special Interest Conference Numerical Heat Transfer 2012 (2012)

In order to explore numerically the capability of solid-liquid phase change material (PCM) for heating indoor applications, melting of phase change material (PCM) was studied. The roof of the enclosure is ... [more ▼]

In order to explore numerically the capability of solid-liquid phase change material (PCM) for heating indoor applications, melting of phase change material (PCM) was studied. The roof of the enclosure is filled with PCM (Hydrate salts PCM with melting temperature, Tmelt = Tcomfort =22 °C) on which are inserted heat pipes coming from the solar collector (heat source). The oom vertical walls are adiabatic. The power transferred from solar collector by water is fully dissipated in a PCM that filled a slab. The advantage of using this heating strategy is that the PCMs are able to store a high amount of heat generated by the solar collector and the sun rising on the slab without acting the HVAC system. Numerical investigations, based on a dynamic simulation, were conducted in order to analyze the thermal performance of the proposed system. It was found that, due to the PCM layer, there are less temperature fluctuations and comfortable leaving conditions are satisfied. The use of the HVACs systems will be remarkably reduced during January in Casablanca Morocco. [less ▲]

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See detailVorwort
Gerrekens, Louis ULg; Küpper, Achim ULg

in Gerrekens, Louis; Küpper, Achim (Eds.) Hasard. Der Spieler in der deutschsprachigen Literaturgeschichte (2012)

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See detailEvolution de l’insulino-résistance au cours de l’hypothermie thérapeutique
Moermans, A; Taccone, F; Penning, Sophie ULg et al

in Proceedings des journees francophone de nutrition 2012 (2012)

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See detailX-ray Computed Tomography for Non-Destructive Testing
Wevers, Martine; Kerckhofs, Greet ULg; Pyka, Gregory et al

in Proceedings iCT 2012 (2012)

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See detailQuantifying flood damages for climate-change adaptation on a transnational river basin
Fournier, Maïté; Sinaba, Benjamin; Dewals, Benjamin ULg et al

in Schüttrumpf (Ed.) Floods: a permanent challenge! (2012)

The Meuse river basin is shared by five countries. Climate change in the future decades could either lead to a dryer or a wetter situation. In order to build an adaptation strategy that would cope with ... [more ▼]

The Meuse river basin is shared by five countries. Climate change in the future decades could either lead to a dryer or a wetter situation. In order to build an adaptation strategy that would cope with both scenarios and that is agreed at the international level, water experts have set-up the AMICE project. Quantifying the flood damages is an important part of this project. It required much negotiation at every intermediary step, from the definition of climate scenarios, to the hydraulic modeling and the agreement on damage functions. [less ▲]

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See detailAux sources d’un refus. Foucault, avec Heidegger, contre l’anthropologie kantienne
Bolmain, Thomas ULg

in Cormann, Grégory; Dewalque, Arnaud; Feron, Olivier (Eds.) Question anthropologique et phénoménologie (2012)

Dans un article récent, D. Giovannangeli mettait en évidence, à partir d’un identique découplage de l’homme et de la finitude, l’importance du Kantbuch de Heidegger pour Les Mots et les choses ; il ... [more ▼]

Dans un article récent, D. Giovannangeli mettait en évidence, à partir d’un identique découplage de l’homme et de la finitude, l’importance du Kantbuch de Heidegger pour Les Mots et les choses ; il suggérait finalement que l’ontologie implicite de l’archéologie foucaldienne ne serait pas sans analogie avec l’histoire de l’Être. Axant le rapport de Foucault à Heidegger sur leur commun rejet de l’anthropologie kantienne, le présent article explore cette suggestion en plusieurs temps. Soulignant d’abord l’ambivalence de Les Mots et les choses tant à l’égard de Heidegger que de Kant, il revient sur l’importance de Heidegger dans les textes pré-archéologiques de Foucault, qu’ils concernent Binswanger ou, dans sa thèse complémentaire, Kant lui-même. Prenant la mesure du rôle essentiel d’intercesseur joué, entre Heidegger et Foucault, par le livre L’Héritage kantien et la révolution copernicienne (Vuillemin), il met finalement en évidence, autour du problème du sujet éthique, l’incompatibilité de la dernière pensée de Foucault et de la pensée de la vérité de l’Être. [less ▲]

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See detailLe chœur de Mont-devant-Sassey : construction et restaurations
Lekane, Marie ULg

in Toussaint, Jacques (Ed.) Actes du Colloque international "Pierres – Papiers – Ciseaux" : Architecture et sculpture romane (Meuse-Escaut) (2012)

Le petit village de Mont-devant-Sassey, sis dans le département de la Meuse, en Lorraine, comporte une église consacrée à Notre-Dame de l’Assomption. Le chœur et la crypte s’inscrivent dans la lignée des ... [more ▼]

Le petit village de Mont-devant-Sassey, sis dans le département de la Meuse, en Lorraine, comporte une église consacrée à Notre-Dame de l’Assomption. Le chœur et la crypte s’inscrivent dans la lignée des innovations mises en place au chantier « garinois » (du nom du maître de chantier, Garin) de la cathédrale de Verdun. Une datation du chœur peut ainsi être établie par chronologie relative : Verdun étant assurément daté de 1136-1147, le chœur montois se situe vers 1150-1170. Les formes architecturales du chœur montois sont caractéristiques du groupe « tréviro-lorrain », défini pour la première fois à Verdun. Cependant, la recherche archivistique atteste que la campagne de restauration sous Narcisse-Casimir Lenfant, entre 1877 et 1886, a métamorphosé l’aspect de la partie orientale. L’ampleur des modifications est telle qu’il nous faut nuancer la filiation entre Mont et Verdun. [less ▲]

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See detailA first step towards a real-time predictive yield support system.
Dumont, Benjamin ULg; Leemans, Vincent ULg; Ferrandis Vallterra, Salvador ULg et al

in Agriculture & Engineering for a Healthier Life (2012)

Real-time non-invasive determination of crop biomass and yield prediction are maybe among the major challenges in agriculture. But unknown future weather remains the key point of accurate yield forecast ... [more ▼]

Real-time non-invasive determination of crop biomass and yield prediction are maybe among the major challenges in agriculture. But unknown future weather remains the key point of accurate yield forecast. This paper presents the results of a preliminary study that aims to supply the unknown future by daily mean climatic data. The results show that, under the Belgian weather, this approach is relevant. Furthermore, the developed methodology appears to be a powerful diagnosis tool of the remaining yield potential under ongoing weather. [less ▲]

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See detailInfluence of weir height and keys slope on PKW discharge
Machiels, Olivier ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in Proceedings of 4th IAHR International Symposium on Hydraulic Structures (2012)

Piano Key Weir is a cost effective solution for rehabilitation as well as for new dam projects with a high level of constraints (limited space, high specific flood discharge, small reservoir level ... [more ▼]

Piano Key Weir is a cost effective solution for rehabilitation as well as for new dam projects with a high level of constraints (limited space, high specific flood discharge, small reservoir level variation). While the higher efficiency of the Piano Key Weir compared to standard linear weirs has already been demonstrated, its optimal geometry is still poorly defined. Even if former studies highlighted the main influence of the weir height on its discharge capacity, the distinction between weir height effect and keys slope one is not so straight forward. In order to distinguish the influence of these two parameters, the use of parapet walls has been tested to increase weir height keeping bottom slope constant, and to decrease keys slope keeping the weir height constant. The experimental results presented in this paper enable to distinguish the relative influences of the keys bottom slope and of the weir height on the Piano Key Weir release capacity. Comparisons with former experimental results as well as design guidelines are also provided. [less ▲]

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See detailDealing with sediment transport over partly non-erodible bottoms
Rulot, François; Dewals, Benjamin ULg; Archambeau, Pierre ULg et al

in Tullis, Blake; Chanson, Hubert (Eds.) Proc. 4th International Junior Researcher and Engineer Workshop on Hydraulic Strucutres, IJREWHS’12 (2012)

In depth-averaged flow and morphodynamic models using a finite volume discretization based on explicit time integration, a specific difficulty can arise during a computation: the computed sediment level ... [more ▼]

In depth-averaged flow and morphodynamic models using a finite volume discretization based on explicit time integration, a specific difficulty can arise during a computation: the computed sediment level can become lower than the level of a non-erodible bottom. The original developments presented in this paper enable to correct the non-physical sediment levels. The method, based on iterative limitation of the outward fluxes, is perfectly mass conservative and remains computationally efficient. The resulting model has been validated with several 1D benchmarks leading to configurations with sediment transport over non-erodible bottom. Two interesting experimental benchmarks are highlighted in this paper to show the efficiency of numerical simulations. In these benchmarks, the computation time has been verified not to increase by more than 15% when using the new method. [less ▲]

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See detailProduction of clusters (up to A=10) during the intranuclear cascade phase of spallation reactions
Cugnon, Joseph ULg; Boudard, A; David, J-C et al

in Proceedings of the Tenth International Topical Meeting on Nuclear Applications of Accelerators (2012)

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See detailMicro-CT as an evaluation tool for first line screening of the bone forming capacity of human periosteum-derived cells in nude mice
Geeroms, Carla; Bosmans, Kathleen; Maréchal, Marina et al

in Abstract book User Meeting Bruker MicroCT 2012 (2012)

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See detailResistance tables for standardized joints in accordance with EN 1993-1-8
Weynand, Klaus; Oerder, Ralf; Demonceau, Jean-François ULg

in Dubina, Dan; Grecea, Daniel (Eds.) CONNECTIONS VII proceedings (2012)

Publications containing resistance tables for joints in steel structures have been published in the last decades in various European countries. However, most of those publications provide joint ... [more ▼]

Publications containing resistance tables for joints in steel structures have been published in the last decades in various European countries. However, most of those publications provide joint resistances according to the design rules of national standards or according to the ENV version of Eurocode 3. The present paper refers to two new publications containing resistance tables in accordance with the new Eurocode 3 Part 1.8 (EN 1993-1-8). One of these two publications is devoted to joints with open sections including simple joints and moment resistant joints. One type of connection, traditionally used in Germany, but more and more also used in other European countries, is the end-plate connection with four bolts in a horizontal row. This connection type is not directly covered by Eurocode 3. The paper describes briefly the design model for this specific type of connection which is fully in accordance with the design methods of Eurocode 3. The second publication is of particular interest for practitioners because it is the first design tool dealing with hollow section joints in lattice structures. The paper discusses the practical impact of such resistance tables and it reports on some observations using the Eurocode 3 design rules for hollow section joints. [less ▲]

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See detailTransboundary assessment of the effect of climate change on river Meuse: flood wave selection for hydraulic modelling from Ampsin (B) to Maaseik (NL)
Dewals, Benjamin ULg; Detrembleur, Sylvain ULg; Becker, Bernhard et al

in Proc. 2nd IAHR Europe Congress: Water - infinitely deformable but still limited (2012)

This paper addresses high resolution inundation modelling in a transboundary context. In particular, flood wave propagation and inundation characteristics are simulated over a stretch of almost 100 km of ... [more ▼]

This paper addresses high resolution inundation modelling in a transboundary context. In particular, flood wave propagation and inundation characteristics are simulated over a stretch of almost 100 km of river Meuse across the Belgian-Dutch border, using 2D fully dynamic modelling. This transboundary hydraulic simulation requires inflow hydrographs to be prescribed as upstream boundary conditions. However, existing procedures for generating flood wave hydrographs differ between the concerned regions. Therefore, we review the main characteristics of the existing regional procedures and compare the resulting synthetic hydrographs. Besides, transnational hydrological scenarios have been developed to investigate the impact of climate change on flood risk along river Meuse in both countries. [less ▲]

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See detailField scale experiment modelling in Opalinus Clay: the HGA experiment
Levasseur, Séverine ULg; Collin, Frédéric ULg; François, Bertrand et al

in Clays in Natural & Engineered Barriers for Radioactive Waste Confinement, 2012 (2012)

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See detailRelation entre la réserve cognitive et le métabolisme cérébral au repos dans le vieillissement normal.
Bastin, Christine ULg; Yakushev, Igor; Bahri, Mohamed Ali ULg et al

in Proceedings of the XIIème Colloque International sur le Vieillissement Cognitif (2012)

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