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See detailNew concepts in type 2 immunity: Damage-associated signals and Protective IgE
Marichal, Thomas ULg

Scientific conference (2013, November)

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See detailArticle 31 of the Succession Regulation : First Comments on a Mysterious Provision
Wautelet, Patrick ULg

Scientific conference (2013, November)

In this presentation, I have tried to outline the main features of Article 31 of the Succession Regulation (Reg. 650/2012). The focus is on two main questions : when may a Member State apply Article 31 ... [more ▼]

In this presentation, I have tried to outline the main features of Article 31 of the Succession Regulation (Reg. 650/2012). The focus is on two main questions : when may a Member State apply Article 31 and how should a Member State apply this provision? In order to attempt to answer these questions, I first offer some suggestions on how to construe Article 31. [less ▲]

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See detailA new methodological approach for error distributions selection
Hambuckers, julien ULg; Heuchenne, Cédric ULg

Scientific conference (2013, November)

Since 2008 and its financial crisis, an increasing attention has been devoted to the selection of an adequate error distribution in risk models, in particular for Value-at-Risk (VaR) predictions. We ... [more ▼]

Since 2008 and its financial crisis, an increasing attention has been devoted to the selection of an adequate error distribution in risk models, in particular for Value-at-Risk (VaR) predictions. We propose a robust methodology to select the most appropriate error distribution candidate, in a classical multiplicative heteroscedastic model. In a first step, unlike to the traditional approach, we do not use any GARCH-type estimation of the conditional variance. Instead, we propose to use a recently developed nonparametric procedure: the Local Adaptive Volatility Estimation (LAVE). The motivation for using this method is to avoid a possible model misspecification for the conditional variance. In a second step, we suggest a set of estimation and model selection procedures tests based on the so-obtained residuals. These methods enable to assess the global fit of a given distribution as well as to focus on its behaviour in the tails. Finally, we illustrate our methodology on three time series (UBS stock returns, BOVESPA returns and EUR/USD exchange rates). [less ▲]

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See detailIo plasma torus science through UV remote sensing
Grodent, Denis ULg

Scientific conference (2013, November)

In this presentation, I am providing a short review of the scientific information on the Io plasma torus that may be inferred from UV remote sensing. This includes past observations with the Hubble Space ... [more ▼]

In this presentation, I am providing a short review of the scientific information on the Io plasma torus that may be inferred from UV remote sensing. This includes past observations with the Hubble Space Telescope and the Cassini-UVIS spectrograph during the 2000-Jupiter flyby and future observations with the EXCEED (Sprint-A) telescope. [less ▲]

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See detailAsymptotic distribution of robust estimators of ability and applications
Magis, David ULg

Scientific conference (2013, October 31)

In item response theory (IRT), ability estimation can be seriously affected by abnormal responses occurring from e.g., cheating, inattention, lack of time, guessing, tiredness, stress… Those phenomena may ... [more ▼]

In item response theory (IRT), ability estimation can be seriously affected by abnormal responses occurring from e.g., cheating, inattention, lack of time, guessing, tiredness, stress… Those phenomena may influence the ability estimation process tremendously. One the one hand, person fit indices were developed as post-hoc approaches to identify abnormal responses patterns as a whole (e.g., Meijer & Sijtsma, 2001). On the other hand, getting uncontaminated ability estimates would also be a challenging issue. Robust estimators were proposed in the IRT framework to lessen the impact of abnormal responses onto the estimation process (Mislevy & Bock, 1982; Schuster & Yuan, 2011; Wainer & Wright, 1980). Yet, these estimators are still rarely used in practice, mostly because very little is known about their statistical properties. The purpose of this talk is to briefly present these robust ability estimators, and to derive their asymptotic distribution under mild regularity conditions. In particular, a simple formula for the asymptotic standard error (ASE) of these estimators is obtained (Magis, in press). Results of a simulation study that involves both presence and absence of cheating in the data generation process will be outlined. References: Magis, D. (in press). On the asymptotic standard error of a class of robust estimators of ability in dichotomous item response models. British Journal of Mathematical and Statistical Psychology. Meijer, R., & Sijtsma, K. (2001). Methodology review: Evaluating person fit. Applied Psychological Measurement, 25, 107-135. doi: 10.1177/01466210122031957 Mislevy, R. J., & Bock, R. D. (1982). Biweight estimates of latent ability. Educational and Psychological Measurement, 42, 725-737. doi: 10.1177/001316448204200302 Schuster, C., & Yuan, K.-H. (2011). Robust estimation of latent ability in item response models. Journal of Educational and Behavioral Statistics, 36, 720-735. doi: 10.3102/1076998610396890 Wainer, H., & Wright, B. D. (1980). Robust estimation of ability in the Rasch model. Psychometrika, 45, 373-391. doi: 10.1007/BF02293910 [less ▲]

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See detailUsing R for conducting psychometric research
Magis, David ULg

Scientific conference (2013, October 31)

R is a statistical environment that permits to perform many various analyses, from basic descriptive statistics to advanced and complex modeling through high-level graphical features. In addition, it is ... [more ▼]

R is a statistical environment that permits to perform many various analyses, from basic descriptive statistics to advanced and complex modeling through high-level graphical features. In addition, it is open-source software with thousands of users worldwide and with (almost) daily improvements by the development of additional packages. The purpose of this talk is twofold: (a) to provide a broad overview of R (in its basic form), RStudio (software for optimized display of R components) and R Commander (an add-on package with menus and toolboxes for R); and (b) to describe and illustrate the functioning of several R packages related to psychometrics in general and item response theory in particular. The talk will be at a theoretical low-level, focusing rather on applications and illustrations with examples. Topics to be covered may include (depending on time constraints): calibration of item response models, ability estimation, model checking, differential item functioning, computerized adaptive testing. Some information about the creation and compilation of R packages will also be given. References: R Core Team (2013). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL http://www.R-project.org/. [less ▲]

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See detailLe catholicisme spectaculaire : mise à distance ou expérience
Delfosse, Annick ULg

Scientific conference (2013, October 31)

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See detailQuelle recherche en soutien aux réseaux de laboratoires ?
Fauconnier, Marie-Laure ULg

Scientific conference (2013, October 30)

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See detailOntology of taste. How can we stress sensory experience?
Vangeebergen, Thomas ULg

Scientific conference (2013, October 29)

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See detailAu-delà des dimensions cognitives : la santé de la personne
Adam, Stéphane ULg

Scientific conference (2013, October 24)

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See detailAccepter l'histoire pour rénover le présent : l'exemple jésuite
Delfosse, Annick ULg

Scientific conference (2013, October 24)

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See detailDéfinir et organiser la mosaïque sociale : les trois ordres dans les Croniques de Jean de Wavrin
Dumont, Jonathan ULg

Scientific conference (2013, October 24)

Detailed reference viewed: 11 (1 ULg)
See detailModernité, passé récent et Antiquité dans l'appartement des bains du château de Fontainebleau
Fagnart, Laure ULg

Scientific conference (2013, October 24)

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See detailLa construction sociale de l'économie sociale en Corée du Sud
Eum, Hyung Sik ULg; Bidet, Eric

Scientific conference (2013, October 22)

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See detailDistribution assessment of endangered Lepilemur in northwestern Madagascar
Wilmet, Leslie ULg; Vermeulen, Cédric ULg; Beudels-Jamar, Roseline

Scientific conference (2013, October 21)

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See detailThe Bruegh(h)el Phenomenon
Allart, Dominique ULg; Currie, Christina ULg

Scientific conference (2013, October 19)

L’examen en réflectographie de la superbe version du Combat de Carnaval et Carême conservée aux Musées royaux des Beaux-Arts de Belgique à Bruxelles a permis de résoudre une énigme longtemps débattue ... [more ▼]

L’examen en réflectographie de la superbe version du Combat de Carnaval et Carême conservée aux Musées royaux des Beaux-Arts de Belgique à Bruxelles a permis de résoudre une énigme longtemps débattue : celle de la technique utilisée par Pieter Brueghel le Jeune pour exécuter des copies en séries d’après son père, Pieter Bruegel l’Ancien. Dans l’abondante production du copiste, c’est en effet un cas unique où apparaissent très distinctement des traces de poncif marquant les contours de certaines figures. Dans le tableau de Bruxelles, ces pointillés, qui auraient normalement dû être effacés une fois le dessin reprécisé à main levée, ont fortuitement subsisté à certains endroits. Des expérimentations accomplies à l’IRPA (Bruxelles) invitent à postuler que l’imprimatura sur laquelle la composition a été reportée à l’aide d’un carton perforé n’était pas uniformément sèche, ce qui peut expliquer que certaines traces pointillées y aient été piégées par-ci par-là. Ces essais de reconstitution pratique ont également montré que le dessin sous-jacent obtenu en reliant les pointillés présente les caractéristiques d’un travail effectué à main libre : il est sensible, frémissant et d’apparence assez « enlevée ». A la lumière de ces expériences, on comprend désormais pourquoi des dessins sous-jacents de Pieter Brueghel le Jeune peuvent être rigoureusement superposables entre eux, en tout ou en partie, sans livrer le moindre indice de recours à des procédés de report mécanique, mais au contraire, en donnant l’impression d’être exécutés sans contrainte. Les auteures soulignent ici l’intérêt, en histoire de l’art, d’une approche du modus operandi dont procèdent les œuvres étudiées, combinant leur examen technique approfondi et des tentatives de reconstitution pratique. L’étude sérielle des œuvres de Pieter Brueghel sous l’angle technico-stylistique autorise des discriminations entre les versions attribuables au maître lui-même, et celles qui sont dues à son atelier. Mais de manière plus inattendue, quand elle se confronte à un examen attentif des prototypes autographes de Pieter Bruegel l’Ancien, elle engendre aussi d’importantes découvertes quant aux procédures créatives de ce dernier. On pourra le mesurer en se penchant sur deux cas particulièrement éloquents, le Combat de Carnaval et de Carême (dont l’original est conservé au Kunsthistorisches Museum de Vienne), et la Prédication de Jean Baptiste (original à Budapest, Szépművészeti Múzeum). Les comparaisons de détails entre copies et originaux au niveau de la surface peinte et du dessin sous-jacent, couplées avec des tests de superposabilité, font émerger une certitude : loin de se contenter d’esquisses approximatives, Pieter Bruegel l’Ancien lui-même réalisait des cartons perforés en vue de l’exécution de certains de ses tableaux, suivant en cela une pratique bien attestée en Italie, chez Léonard de Vinci et Raphaël, par exemple. Des décennies plus tard, ces cartons allaient constituer, pour son fils aîné, un véritable « trésor de guerre ». Ils lui permirent en effet de réaliser des œuvres qui ressemblaient à s’y méprendre aux originaux de son père, et de s’imposer du même coup comme le copiste attitré de celui-ci. A ces cartons devaient s’adjoindre des modèles à l’échelle avec des indications de couleurs, dont on peut estimer la précision sans faille au fait qu’ils permirent à Pieter Brueghel le Jeune de reproduire à l’identique certains originaux qu’il n’eut pas l’opportunité de copier de visu, puisqu’ils étaient alors dans des collections inaccessibles. Dans la foulée des recherches qui ont donné lieu à leur livre paru en 2012 (C. Currie & D. Allart, The Brueg[H]el Phenomenon. Paintings by Pieter Bruegel the Elder and Pieter Brueghel the Younger with a Special Focus on Technique and Copying Practice, Bruxelles, IRPA, 2012, coll. Scientia Artis, 8), les auteures s’attèlent actuellement à l’étude d’autres compositions bruegeliennes conservées dans divers musées (Graz ; Bâle ; Musée de la Ville de Bruxelles) et sur le marché de l’art. Leurs travaux les amènent notamment à accorder une place croissante aux copies que Jan Brueghel l’Ancien, le frère cadet de Pieter Brueghel le Jeune, a lui aussi exécutées d’après son père. [less ▲]

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See detailRecherches collaboratives menées en didactique des langues modernes à l'ULg ces quinze dernières années
Simons, Germain ULg

Scientific conference (2013, October 19)

Cette communication présente différents outils qui ont été utilisés pour collecter des données dans le cadre de cinq programmes de recherches collaboratives en didactique des langues modernes. Le cadrage ... [more ▼]

Cette communication présente différents outils qui ont été utilisés pour collecter des données dans le cadre de cinq programmes de recherches collaboratives en didactique des langues modernes. Le cadrage théorique présente le modèle de la recherche collaborative de S. Desgagné et al. Dans la conclusion, nous proposons une synthèse des conditions qui doivent être rencontrées pour que les enseignants s'approprient les innovations pédagogiques qui ont été travaillées avec les enseignants dans les programmes de recherches. [less ▲]

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See detailVocal load in professional voice users
REMACLE, Angélique ULg

Scientific conference (2013, October 18)

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See detailActualité(s) de Spinoza. D'Althusser à Lordon
Mancuso, Eva ULg

Scientific conference (2013, October 18)

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See detail"El tema de las hembritas se me da muy bien": stéréotypie et ethê de genre dans deux œuvres de la littérature de la migration latino-américaine
Berlage, Pauline ULg

Scientific conference (2013, October 18)

Face la population transnationale d’origine latino-américaine croissante à travers le monde – spécialement présente en Espagne et aux États-Unis – je me suis intéressée à la création littéraire en tant ... [more ▼]

Face la population transnationale d’origine latino-américaine croissante à travers le monde – spécialement présente en Espagne et aux États-Unis – je me suis intéressée à la création littéraire en tant que mise en récit de Soi et de l’Autre. Il me semble, en effet, que la lecture et l’analyse de récits de fiction traitant de la migration permettent de renouveler certaines idées cristallisées dans notre imaginaire collectif relatives aux défis et opportunités que représente la migration et cela depuis une perspective de genre. Dans le cadre de la littérature latino-américaine de la migration, j’ai voulu me centrer sur la représentation du genre dans ces romans, c'est-à-dire sur ces attitude performative qui (re)produisent les normes et les modèles mais aussi parfois des corps a-normatifs et illisibles (Butler, T. de Lauretis). J’aimerais ainsi vous présenter un aperçu de ma recherche doctorale qui traite des politiques de représentations des subjectivités de genre dans une analyse comparative de trois romans de la migration latino-américaine contemporaine. Après une brève contextualisation de ma recherche, je vous présenterai ma lecture comparative des masculinités hégémoniques et déviantes en jeux dans les romans The Brief Wondrous Life of Oscar Wao de J. Díaz et Árbol de luna de J. C. Méndez Guédez. Nous verrons en quoi ces performances masculines sont décalées – par rapport à quelles normes stéréotypées – et comment elles sont mises en récit au travers d’ethê variables. Je tenterai ainsi de répondre à la question de la pluralité des voix disponibles, c'est-à-dire, à travers de quels filtres nous sont transmises ces masculinités singulières. [less ▲]

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See detailParallel measurements of formaldehyde (H2CO) at the Jungfraujoch station: preliminary FTIR results and first comparison with Max-DOAS data
Franco, Bruno ULg; Mahieu, Emmanuel ULg; Van Roozendael, Michel et al

Scientific conference (2013, October 17)

In the framework of the NORS project, a retrieval strategy for formaldehyde (H2CO) is currently under development, using measurements from ground-based high-resolution FTIR solar spectra recorded at the ... [more ▼]

In the framework of the NORS project, a retrieval strategy for formaldehyde (H2CO) is currently under development, using measurements from ground-based high-resolution FTIR solar spectra recorded at the NDACC high altitude station of the Jungfraujoch (Swiss Alps, 46.5° N, 8.0° E, 3580m a.s.l.). According to the preliminary results, our FTIR retrieval strategy based on Tikhonov regularization has proven able to make an improvement in the process of fitting the H2CO feature within the 2833.070 – 2833.350 cm-1 microwindow from Jungfraujoch solar spectra, compared to a simple scaling. Furthermore, the retrieved total columns present a seasonal cycle averaged over 2005 – 2013 in agreement with preliminary results from UV-visible MAX-DOAS observations, ACE-FTS occultation measurements and simulations from the IMAGES and GEOS-CHEM models. However, FTIR H2CO abundances appear to be underestimated during summertime, with respect to the other data sets. In order to solve this issue, further experiments are planned. [less ▲]

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See detailEntre gestion de la sécurité et gestion du risque financier : où est la place d'une véritable gestion intégrée des risques ?
Van Caillie, Didier ULg

Scientific conference (2013, October 16)

This conference discusses the main characteristics of a pure Enterprise Risk Management system and questions its position in the main management functions in any organization, between internal audit and ... [more ▼]

This conference discusses the main characteristics of a pure Enterprise Risk Management system and questions its position in the main management functions in any organization, between internal audit and financial management. It shows its importance as a tool in a true organizational management control system based on the coordination of scare resources and the motivation of actors by trust. [less ▲]

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See detailBilan de 10 ans de fonctionnement du KCE
GILLET, Pierre ULg; Martin, Didier ULg

Scientific conference (2013, October 16)

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See detailPerception de la justesse en voix chantée
Larrouy, Pauline ULg

Scientific conference (2013, October 16)

Si nous catégorisons aisément une performance en « juste » ou « fausse », il n’est pas évident d’expliciter les critères qui guident notre évaluation. Nous rapportons ici les travaux récents menés sur la ... [more ▼]

Si nous catégorisons aisément une performance en « juste » ou « fausse », il n’est pas évident d’expliciter les critères qui guident notre évaluation. Nous rapportons ici les travaux récents menés sur la perception de la justesse de performances chantées par des chanteurs occasionnels et lyriques. La première étape de nos recherches consistait à mettre au point une méthode objective, pertinente et fonctionnelle qui tienne compte des différentes erreurs mélodiques dictées par le système tonal occidental (respect des contours, de la taille des intervalles et de la tonalité). Dans un deuxième temps, nous avons comparé cette méthode avec l’évaluation effectuée par des experts en musique. Ces comparaisons nous permettent d’observer l’évaluation effectuée par ces juges, et ainsi de mieux comprendre la notion de justesse et sa perception. [less ▲]

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See detailEvidence-based practice et orthophonie
Maillart, Christelle ULg

Scientific conference (2013, October 15)

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See detailLA FACILIDAD DE INVERSIÓN PARA AMÉRICA LATINA (LAIF) Y LA INSTITUCIONALIZACIÓN DE LA ESTRATEGIA EUROPEA DE APOYO A LA INTEGRACIÓN REGIONAL LATINOAMERICANA (SIEPIR-AL) EN EL SISTEMA MULTILATERAL EN MODO 2.0
Parra Santamaria, Lusmiriam Andrea ULg

Scientific conference (2013, October 11)

Este documento propone que las relaciones entre la Unión Europea (UE) y América latina (AL) han dado lugar al posicionamiento de una institución interregional originada en un intercambio discursivo. Esta ... [more ▼]

Este documento propone que las relaciones entre la Unión Europea (UE) y América latina (AL) han dado lugar al posicionamiento de una institución interregional originada en un intercambio discursivo. Esta se ha venido concretizando hasta construir una estrategia interregional europea de apoyo a la integración regional de América latina - SIEPIR-AL (por sus iniciales en francés). Es así como las regiones concernidas se han convertido en agentes de un subsistema encastrado dentro de un sistema multilateral neo-westfaliano en modo 2.0. Y como es el caso de todos los sistemas, éste se autorregula mediante una evaluación que puede compararse a la cibernética. La Facilidad de Inversión para América latina – LAIF, cuyo objetivo es el de facilitar el acceso a fondos para inversión en infraestructura para áreas relativas al medioambiente y al cambio climático, es uno de sus programas y surge como resultado de ese proceso cibernético. Su aplicación tiene por vocación el convertirse en una oportunidad para la profundización de la integración en AL especialmente en las zonas de frontera. [less ▲]

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See detailCorps et cultures. Réflexions anthropologiques autour du savoir médical.
Mescoli, Elsa ULg

Scientific conference (2013, October 10)

A partir de mon expérience ethnographique en Egypte, j’analyserai les significats sociaux et culturels liés à la pratique de la circoncision féminine. Cet exemple me permettra d’aborder des réflexions ... [more ▼]

A partir de mon expérience ethnographique en Egypte, j’analyserai les significats sociaux et culturels liés à la pratique de la circoncision féminine. Cet exemple me permettra d’aborder des réflexions autour de certains concepts qui sont également concernés par le savoir médical, tels que, entre autre, l’intégrité et la fonctionnalité du corps humain. [less ▲]

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See detailMaladies Sexuellement Transmissibles
HUYNEN, Pascale ULg; LIBOIS, Agnes

Scientific conference (2013, October 10)

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See detailLe LiDAR-t et la photogrammétrie pour modéliser des troncs irréguliers
Bauwens, Sébastien ULg

Scientific conference (2013, October 08)

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See detailLe voyage politique du Technology Assessment
Delvenne, Pierre ULg

Scientific conference (2013, October 05)

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See detailLanguage(s) and identity/ies in Belgium: which consequences for the cooperation between communities?
Dassargues, Alix ULg

Scientific conference (2013, October 04)

Detailed reference viewed: 27 (2 ULg)
See detailGenre, stéréotypes sexués et enjeux de la violence à l'adolescence
Gavray, Claire ULg

Scientific conference (2013, October 04)

présentations de divers résultats de recherche quantitative et qualitative auprès d'adolescents montrant une genèse du passage à l'acte violent violent différente selon le groupe sexué ainsi que des ... [more ▼]

présentations de divers résultats de recherche quantitative et qualitative auprès d'adolescents montrant une genèse du passage à l'acte violent violent différente selon le groupe sexué ainsi que des enjeux spécifiques à la clef. Les résultats laissent voir le genre en action, dont l'impact des assignations sexuées . Par contre, les mécanismes psychosociaux d'adoption de valeurs et de comportements violents sont comparables : pas de' psychologie' spécifique des filles et des garçons... [less ▲]

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See detailLes pièges en IRM hypophysaire
BONNEVILLE, Jean-François ULg; Beckers, Albert ULg

Scientific conference (2013, October)

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See detailWie geht Redaktion?
Münzberg, Franziska ULg

Scientific conference (2013, September 30)

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See detailLes défis de l'étalement urbain : clarifications et enseignements à partir du cas belge
Halleux, Jean-Marie ULg

Scientific conference (2013, September 30)

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See detailLa gestion des populations migrantes comme dispositif de sécurité
Pieret, Denis ULg

Scientific conference (2013, September 30)

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See detailIn nome di Allah. Analisi etnografica del rapporto tra cibo e Islam a Milano.
Mescoli, Elsa ULg

Scientific conference (2013, September 28)

L’intervento sarà centrato sul materiale etnografico raccolto nel corso di una ricerca dottorale attorno alle pratiche culinarie di donne marocchine residenti nella città di Sesto San Giovanni (in ... [more ▼]

L’intervento sarà centrato sul materiale etnografico raccolto nel corso di una ricerca dottorale attorno alle pratiche culinarie di donne marocchine residenti nella città di Sesto San Giovanni (in provincia di Milano). In particolare, verranno messi in evidenza quegli aspetti della cultura materiale studiata che richiamano l’appartenenza delle donne considerate alla religione islamica. La ricerca ha infatti evidenziato come l’alimentazione (quotidiana o relativa a particolari eventi) e la stessa preparazione dei pasti siano influenzate non solo dalle prescrizioni che riguardano la distinzione tra il cibo lecito e quello illecito, ma anche da indicazioni relative a quali alimenti sia più opportuno consumare e in quali situazioni. Religione e tradizioni locali si intrecciano dando forma ad un sapere e un saper fare specifici, a loro volta negoziati dalle donne in questione al fine di far fronte alle costrizioni che il nuovo contesto in cui esse vivono impone. Tali aspetti costituiscono parte della materialità sulla e con la quale le donne considerate definiscono la propria soggettività, nel contesto domestico così come in quello pubblico. Verranno infatti illustrate anche le modalità in cui, seppur in spazi sovradeterminati, una partecipazione attiva delle donne alla vita sociale locale sia resa possibile grazie alla preparazione e presentazione di cibo, dando loro la possibilità di affermare anche pubblicamente la propria appartenenza religiosa ed eventuali rivendicazioni. [less ▲]

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See detail“Research-Policy Dialogue on migrant integration: an academic reflection”
Martiniello, Marco ULg

Scientific conference (2013, September 27)

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See detail“research-Policy Dialogue on migrant integration”
Martiniello, Marco ULg

Scientific conference (2013, September 27)

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See detail“Research-Policy Dialogue on migrant integration”: Panel's President
Martiniello, Marco ULg

Scientific conference (2013, September 27)

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See detailCauses and consequences of a persistent sprawl: the Belgian case
Halleux, Jean-Marie ULg

Scientific conference (2013, September 26)

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See detail“Popular Arts, Ethnicity and Migration”
Martiniello, Marco ULg

Scientific conference (2013, September 26)

Detailed reference viewed: 19 (5 ULg)
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See detailThe influence of palm oil addition on sunflower halva stability and texture
Mure şan, V.; Danthine, Sabine ULg; Racolţa, E. et al

Scientific conference (2013, September 26)

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See detailZur aktuellen Lage der Germanistik in Belgien
Küpper, Achim ULg

Scientific conference (2013, September 25)

Detailed reference viewed: 9 (0 ULg)
See detailJouer, chanter et danser pour Isis
Veymiers, Richard ULg; Bricault, Laurent

Scientific conference (2013, September 24)

Detailed reference viewed: 34 (3 ULg)
See detailLes acteurs des cultes isiaques et leurs images. Bilan historiographique et perspectives
Veymiers, Richard ULg

Scientific conference (2013, September 23)

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See detailThe Ramesside triumph scene: history of an ancient Egyptian icon
Gillen, Todd Jonathan ULg

Scientific conference (2013, September 21)

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See detailDiscussion de cas de neurophysiologie clinique
WANG, François-Charles ULg; MAQUET, Pierre ULg

Scientific conference (2013, September 19)

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See detail11th Corporate Finance Day
Lambert, Marie ULg

Scientific conference (2013, September 19)

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See detailThe Enfranchisement of Citizens Abroad in a Comparative Perspective
Lafleur, Jean-Michel ULg

Scientific conference (2013, September 19)

In this article, I start by looking at the historical origin of external voting in an attempt to define the practice as a set of administrative procedures. However, looking at its speedy global ... [more ▼]

In this article, I start by looking at the historical origin of external voting in an attempt to define the practice as a set of administrative procedures. However, looking at its speedy global development, I argue that external voting is taking a different meaning for both sending and receiving societies in the era of globalization. Drawing on different examples from Europe, Latin America and Africa, and comparing the early development of external voting legislations with contemporary processes that lead to the enfranchisement of citizens abroad, I argue that the enfranchisement of citizens abroad is now part of a larger state strategy of developing external citizenship in order to capture what some scholars call the “diaspora resource”. For receiving states, I show through two case studies that the development of foreign electoral campaigns on their territory still triggers classic Westphalian fears of dual loyalties of immigrants. Nonetheless, I show that under specific circumstances, external voting can also be perceived by receiving states an opportunity to capture the votes of citizens enfranchised in both the sending and receiving societies. [less ▲]

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See detailLes connections longitudinales en rivières
Ovidio, Michaël ULg

Scientific conference (2013, September 17)

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See detailContribution of an Agro-Hydrological Model
Degré, Aurore ULg; Sohier, Catherine ULg

Scientific conference (2013, September 13)

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See detailAccurate Single Point Incremental Forming Simulations using Solid-Shell Elements
Guzmán Inostroza, Carlos Felipe ULg; Sena, José Ilídio; Duchene, Laurent ULg et al

Scientific conference (2013, September 11)

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See detailAdaptive remeshing technique for the single incremental forming simulations using solid-shell elements
Velosa De Sena, José ULg; Guzmán Inostroza, Carlos Felipe ULg; Duchene, Laurent ULg et al

Scientific conference (2013, September 11)

Nowadays, conventional stamping is a well developed process. It is used for large production manufacturing which amortizes the cost of the tools. However, the possibility to use stamping processes for ... [more ▼]

Nowadays, conventional stamping is a well developed process. It is used for large production manufacturing which amortizes the cost of the tools. However, the possibility to use stamping processes for small volume production or prototypes can be still very expensive. As a result, the Single Point Incremental Forming (SPIF) emerges as a new possibility to solve the cost problem in small volume production. It is performed in a rapid and economic way without the need of expensive tooling. Its dieless nature makes the process appropriate for rapid prototypes and highly personalized pieces. Despite the progresses achieved during the last years, simulating SPIF through the Finite Element Method (FEM) continues nevertheless to be a demanding task. The constantly changing contact conditions between the tool and the sheet surface, as well as the nonlinear material model combined with non-monotonic strain paths during the forming process. In consequence, simulation time increases, even using shell hypothesis and simple geometries. Furthermore, the simulation with 3D “brick” elements in general increases the CPU time even more. To overcome this difficulty, an adaptive remeshing technique that was previously developed for the LAGAMINE code for shell elements [1] and afterwards extended to RESS (Reduced Enhanced Solid-Shell) finite element [2]. This allows that a portion of the sheet mesh is dynamically refined only in the tool vicinity, following its motion. Accordingly, this avoids the requirement of initially refined mesh and, consequently, the global CPU time is reduced. The current study will be focused in a benchmark simulation example applied to a component made by SPIF process using adaptive remeshing combined with RESS finite element. [less ▲]

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See detailModelling hydro-mechanical coupling using a FE² doublescale approach
van den Eijnden, Abraham Pieter ULg; Collin, Frédéric ULg; Bésuelle, Pierre et al

Scientific conference (2013, September 11)

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See detailUsing Gmsh as a mesh generator and post-processor for LAGAMINE
Guzmán Inostroza, Carlos Felipe ULg; Mouton, Thibaud ULg; Habraken, Anne ULg

Scientific conference (2013, September 11)

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See detailStudy of phase transformations within bimetallic rolling mills
Neira Torres, Ingrid ULg; Lecomte-Beckers, Jacqueline ULg; Tchuindjang, Jérôme Tchoufack ULg et al

Scientific conference (2013, September 10)

With the aim of simulating the cooling behavior after a re-austenitizing stage of bimetallic rolling mills, both materials corresponding to spheroidal graphite iron (core material) and high chrome steel ... [more ▼]

With the aim of simulating the cooling behavior after a re-austenitizing stage of bimetallic rolling mills, both materials corresponding to spheroidal graphite iron (core material) and high chrome steel (shell material) must be characterized through thermo physical and mechanical tests as well as microscopic observations. Dilatometer tests were carried out for both materials in order to determinate thermo physical properties such as thermal expansion coefficient and density. Compression tests were also performed in order to estimate the effect of mechanical stress on martensite phase transformation, especially the nature and the type of martensite and start of transformation temperature. However there are some parameters that are still unknown and that are highly difficult to determinate. Inverse simulations are performed through Lagamine code with the aim of finding an estimated value for these parameters or improved parameters, more accurate than the ones already estimated. [less ▲]

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See detailVibrational spectroscopy as PAT compliant tools
Ziemons, Eric ULg; De Bleye, Charlotte ULg; Chavez, Pierre-François ULg et al

Scientific conference (2013, September 10)

In the last decades, intensive research and development dealing with NIR and Raman spectroscopy have taken place in industrial field, espacially in pharmaceutical industry. This enthusiasm can be ... [more ▼]

In the last decades, intensive research and development dealing with NIR and Raman spectroscopy have taken place in industrial field, espacially in pharmaceutical industry. This enthusiasm can be explained by the fact that this technique are regarded as promising and attractive tools in PAT, R&D and Green Chemistry frameworks. Their advantages such as non-invasive, non-destructive, fast data acquisition, minization of sample preparation step and the use of probes in on-line, in-line and at-line are expected to reach the aims of PAT, R&D and Green Chemistry. [less ▲]

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See detailEnvironnement Personnel d’Apprentissage et Environnement d’Apprentissage Institution-nel Personnalisé : définitions et usages d’étudiants de l’enseignement supérieur
Denis, Brigitte ULg; Joris, Noémie

Scientific conference (2013, September 10)

Que l’Université en mette à sa disposition et/ou qu’il choisisse seul les outils et services technologiques qu’il va utiliser, il est désormais difficile pour l’étudiant de réaliser des études supérieures ... [more ▼]

Que l’Université en mette à sa disposition et/ou qu’il choisisse seul les outils et services technologiques qu’il va utiliser, il est désormais difficile pour l’étudiant de réaliser des études supérieures sans avoir recours à un environnement numérique. Cette situation entraine l’émergence de deux concepts : celui d’Environnement Personnel d’Apprentissage et celui d’Environnement d’Apprentissage Institutionnel Personnalisable. Les auteures en proposent une définition ainsi qu’une réflexion sur leur concurrence ou complémentarité. Ensuite, à partir de questionnaires adressés à des étudiants universitaires, elles observent dans quelle mesure ceux-ci sont familiers avec les technologies et présentent un profil de «natifs digitaux». Puis, lors d’interviews d’étudiants sélectionnés selon leur profil «d’expertise» en matière d’usages des technologies, elles mettent en évidence leurs représentations et utilisations concernant la personnalisation de leurs environnements numériques d’apprentissage et de l’intérêt qu’ils y trouvent. [less ▲]

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See detailSizing models and performance analysis of volumetric expansion machines for waste heat recovery through organic Rankine cycles on passenger cars
Guillaume, Ludovic ULg; Legros, Arnaud ULg; Quoilin, Sylvain ULg et al

Scientific conference (2013, September 09)

This paper aims at helping designers of waste heat recovery organic (or non-organic) Rankine cycles on internal combustion engines to best select the expander among the piston, scroll and screw machines ... [more ▼]

This paper aims at helping designers of waste heat recovery organic (or non-organic) Rankine cycles on internal combustion engines to best select the expander among the piston, scroll and screw machines, and the working fluids among R245fa, ethanol and water. The first part of the paper presents the technical constraints inherent to each machine through a state of the art of the three technologies. The second part of the paper deals with the modeling of such expanders. Finally, in the last part of the paper, performances of the various Rankine systems are compared and a decision array is built to select the most appropriate couple of fluid and expander. [less ▲]

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See detailInvestigation on a scroll expander for waste heat recovery on internal combustion engines
Legros, Arnaud ULg; Guillaume, Ludovic ULg; Lemort, Vincent ULg et al

Scientific conference (2013, September 09)

In the present article, a model of scroll expander will be introduced. This model is able to evaluate the performance of a given machine with influence of the geometry. Several losses are also included by ... [more ▼]

In the present article, a model of scroll expander will be introduced. This model is able to evaluate the performance of a given machine with influence of the geometry. Several losses are also included by the model such as internal leakages, heat transfers or mechanical losses. The forces generated by the gas pressure on the involutes can also be calculated. That expander model is used in order to demonstrate its potential and provide some guidelines to the design of a new expander suitable for the application. [less ▲]

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See detailGestion des déchets en Région wallonne : Aspects institutionnels de la prévention proche
Fallon, Catherine ULg

Scientific conference (2013, September 09)

Dans le cadre de la gestion des déchets ménagers dont la responsabilité incombe aux autorités régionales, la Région wallonne a délégué ( Arrêté du GW du 30 avril 1998) à des intercommunales le ... [more ▼]

Dans le cadre de la gestion des déchets ménagers dont la responsabilité incombe aux autorités régionales, la Région wallonne a délégué ( Arrêté du GW du 30 avril 1998) à des intercommunales le développement pour leurs communes affiliées (elles le sont toutes) d'une série de services en matière de gestion ou de prévention des déchets. Les intercommunales représentent des structures autonomes sous le contrôle relativement distant des responsables locaux des communes qui nomment leurs représentants au conseil d'administration. Ce niveau intermédiaire d'intercommunalité - qui est présent aussi dans d'autres secteurs tels que le redéploiement économique ou la production d'énergie verte - crée un espace spécifique en terme de territorialité, qui ne suit pas les lignes des territoires institutionnalisés (Région - Commune) mais organise des modalités de coopération à la fois proche et distante, à partir des flux financiers, d'information et de déchets. L'équipe du Spiral propose de présenter le rôle spécifique joué par les intercommunales de déchets, en prenant appui à la fois sur l'analyse du cadre institutionnel, les informations disponibles auprès de la Direction du Service Public de Wallonie en charge des déchets (y compris les récents rapports d'évaluation) ainsi sur une analyse concrète des pratiques développées par l'Intercommunale Intradel (Province de Liège) en relation avec quelques communes pilotes en matière de prévention des déchets (méthodes : entretiens et organisation d'un groupe de discussion entre communes). [less ▲]

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See detailModulation of beta oscillations by dopamine: novel insights from a STN-GPe network model
Dethier, Julie ULg

Scientific conference (2013, September 06)

Detailed reference viewed: 18 (4 ULg)
See detailBimby and smooth suburban intensification
Halleux, Jean-Marie ULg

Scientific conference (2013, September 05)

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See detailLinking stable isotope methods and electrical resistivity tomography imaging: Improving our understanding of competition in poly - culture systems
Hussain, Khalid; Wongleecharoen, Chalemchart; Hilger, Thomas et al

Scientific conference (2013, September)

Poly-cultures are cropping systems using multiple crops in the same space and time, avoiding large stands of sole crops, hence contributing to reconciliation ecology. These land uses have several ... [more ▼]

Poly-cultures are cropping systems using multiple crops in the same space and time, avoiding large stands of sole crops, hence contributing to reconciliation ecology. These land uses have several advantages over monocultures, e.g. increased biodiversity and diversification of agricultural production. Coupled with soil conservation measures, they also contribute to erosion control and resource protection in fragile areas. The viability of such systems often depends on their efficiency under limited resource conditions, which in turn makes them acceptable among the farming community. Most farmers, however, are reluctant to adopt such systems because they may compete for water and nutrients. This study was conducted during 2011 on the Queen Sirikit research farm, Ban Bo Wi village, Ratchaburi province, in North-West Thailand to investigate the competition in maize based soil conservation systems. The soil at the field site ranged from an endoleptic Alisol to ahyper skelletic Leptosol. The treatments were maize under farmer's practice (control) and maize-chili intercropping combined with alley cropping of Leucaena under minimum tillage and Jack bean relay cropping with and without fertiliser application. Plot size was 4 m by 13 m and slope of 18-20%. We used both carbon isotopic discrimination and electrical resistivity tomography (ERT) imaging, a novel non-invasive method, to understand and distinguish the competition for water and nutrients in tropical field conditions. A negative relationship was observed between 13C isotopic discrimination and total nitrogen in grain with R2 ranging from 0.63 (p ≤ 0.01) to 0.70 (p ≤ 0.001) while a positive correlation was found between total nitrogen in grains and total dry matter production with R2 ranging from 0.51 (p ≤ 0.04) to 0.84 (p ≤ 0.001). Nutrient competition induced an increase in δ13C values in maize rows close to Leucaena hedgerows and decreased their total dry matter production. ERT imaging showed different water depletion patterns during the growing season, directly linked with the growth and development of maize such as leaf area index, plant height and canopy cover. This helped explaining the impact of hedgerows on crop growth and yields in maize rows adjacent to the hedges, leading to various spatial patterns along the slope. [less ▲]

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See detailComputational modelling of aneurysm risk in giant cell arteritis (GCA)
Manhas, Varun ULg; Piper, Jennifer; Singh, Surjeet et al

Scientific conference (2013, September)

Detailed reference viewed: 13 (2 ULg)
See detailThe role of segmentation and investor recognition trough the lens of cross-listing activity
Mouchette, Xavier ULg; Carrieri, Francesca; Muller, Aline ULg

Scientific conference (2013, September)

Detailed reference viewed: 17 (3 ULg)
See detailA double-scale modelling approach for hydro-mechanical coupling
van den Eijnden, Abraham Pieter ULg; Collin, Frédéric ULg; Bésuelle, Pierre et al

Scientific conference (2013, August 22)

An approach is investigated for the modelling of the hydro-mechanical coupled behaviour of Callovo-Oxfordian claystone, a potential host rock for radioactive waste repositories in France. This approach is ... [more ▼]

An approach is investigated for the modelling of the hydro-mechanical coupled behaviour of Callovo-Oxfordian claystone, a potential host rock for radioactive waste repositories in France. This approach is a double-scale finite element method, distinguishing a micro and a macro scale. At the micro level a representative elementary volume (REV) is used to model the material behaviour. The global response of this REV serves as an implicit constitutive law for the macro scale. On the macro scale, a poro-mechanical continuum is defined with fully coupled hydro-mechanical behaviour, the micro scale contains a model that takes into account the material micro structure to provide the material response to deformation and the associated stiffness matrices. Computational homogenization is used to retrieve the macro tangent stiffness from the micro level. This double scale approach is applied in the simulation of biaxial deformation tests, demonstrating the possibility of using the double scale modelling approach with the presented model at the micro level. The response at the macro level is compared with the micro-mechanical behaviour. [less ▲]

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See detailStudy on indoor thermal comfort in the residential buildings of Liege, Belgium
Singh, Manoj Kumar ULg; Mahapatra, Sadhan; Teller, Jacques ULg

Scientific conference (2013, August 05)

A detailed study on the building stock of Liege urban area (Belgium) has been conducted during 2011-2012. The study is focused on historic buildings, which were constructed before 1945 and represents a ... [more ▼]

A detailed study on the building stock of Liege urban area (Belgium) has been conducted during 2011-2012. The study is focused on historic buildings, which were constructed before 1945 and represents a very significant share (68.33%) of Liege building stock. In the Walloon region, the average heating energy consumption per year of the building stock is 408 kWh/m2 and the average heating energy consumption per year stands at 340 kWh/m2 for Liege. Hence, it is important to study existing buildings to improve the energy efficiency as well as thermal comfort standards. It is also important to understand the behaviour of these buildings and the preferred indoor thermal environment of the occupants. Keeping this in mind, the indoor thermal environment has been monitored for ten residential buildings followed by detailed interaction with the occupants to record their preference and expectations about indoor thermal comfort. It was found from the analysis that the fluctuations in the temperature of living room and bedroom with respect to outdoor conditions are a function of occupant’s age, type of heating system and fuel used. It is also found that the average energy expenditure was very high in these buildings. The study further identifies specific areas that need to be taken into consideration in order to improve the thermal comfort and energy efficiency. It put forth the argument that to improve the energy efficiency of occupied houses, occupant’s preference and expectations on thermal comfort needs to be considered for designing sustainable solutions towards improving energy efficiency. [less ▲]

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See detailComparison between optical pulsed thermography and vibrothermography for the assessment of carbon fibers composite materials
Montrieux, Henri-Michel ULg; Demy, Philippe; Ibarra-Castanedo, Clemente et al

Scientific conference (2013, August 02)

Pulsed thermography and vibrothermography are two active thermography techniques characterized by different heating methods of the specimen. In pulsed phase thermography, a sample is heated by two flash ... [more ▼]

Pulsed thermography and vibrothermography are two active thermography techniques characterized by different heating methods of the specimen. In pulsed phase thermography, a sample is heated by two flash lamps for a short period to inject a Dirac impulse heat in the material. The cooling of the part is monitored with an infrared camera to detect thermal contrast in the image, characteristic of the presence of a defect. In vibrothermography, high frequency vibrations are injected into the sample causing an internal heating observed on surface right above the defect due to diverse phenomena as friction or viscoelastic hysteresis. If pulsed thermography is a well-known technique that has been integrated into the arsenal of industrial NDT methods, vibrothermography is a less common experimental method still subject to theoretical and practical investigations. This article aims to compare the effectiveness of the two methods in the case of different types of composites based on carbon fibers: carbon fiber reinforced plastic (CFRP) plates as well as a completely new material: carbon magnesium composite. [less ▲]

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See detailLes processus constitutionnels - Cours général à l'Académie internationale de droit constitutionnel (29e session annuelle, Tunis, 2013)
Behrendt, Christian ULg

Scientific conference (2013, August)

Cours général de la session 2013 de l'Académie internationale de droit constitutionnel

Detailed reference viewed: 38 (2 ULg)
See detailThe role of GCxGC in POPs
Focant, Jean-François ULg

Scientific conference (2013, August)

Detailed reference viewed: 26 (2 ULg)
See detailInvited Lecture - Asteroseismology of B stars with MESA
Thoul, Anne ULg

Scientific conference (2013, August)

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See detailHigher symmetries of the conformal Laplacian
Radoux, Fabian ULg

Scientific conference (2013, July 30)

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See detailDe l'archéologie à l'histoire de la médecine: le livre médical dans l'Egypte gréco-romaine
Marganne, Marie-Hélène ULg

Scientific conference (2013, July 19)

Si, depuis la plus haute antiquité, l'Égypte était renommée pour l'ancienneté et l'excellence de sa médecine, que se passa-t-il lorsque l'art médical grec hérité d'Hippocrate et de ses disciples y fut ... [more ▼]

Si, depuis la plus haute antiquité, l'Égypte était renommée pour l'ancienneté et l'excellence de sa médecine, que se passa-t-il lorsque l'art médical grec hérité d'Hippocrate et de ses disciples y fut importé à la suite de la conquête d'Alexandre le Grand, en 332 avant notre ère ? À côté des sources littéraires qui font de l'"école médicale d'Alexandrie" un modèle qui restera pour longtemps inégalé, les papyrus médicaux grecs, retrouvés en nombre sans cesse croissant dans le Pays du Nil, permettent, avec d'autres sources archéologiques, d'apporter une réponse à la fois nuancée et surprenante sur l'étude et la pratique de la médecine dans l'arrière-pays égyptien. [less ▲]

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See detailLe pays mosan : un terroir hagiographique et artistique privilégié (VIIIe-XVIe siècle)?
George, Philippe ULg

Scientific conference (2013, July 17)

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See detailFranz Thedieck (1900-1995): Zur Biographie eines "rationalen Propagandisten" im 20. Jahrhundert
Brüll, Christoph ULg

Scientific conference (2013, July 17)

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See detailTorsional flutter of bluff bodies
Terrapon, Vincent ULg; Guissart, Amandine ULg; Andrianne, Thomas ULg et al

Scientific conference (2013, July 15)

Detailed reference viewed: 27 (13 ULg)
See detailEffets spéciaux, avatars & immersions : vers le post-cinéma ?
Tomasovic, Dick ULg

Scientific conference (2013, July 08)

Chacun le sait, le « passage au numérique » continue de bouleverser le cinéma : production, conception, écriture, distribution, réception, tous les aspects du champ cinématographique sont pris dans un ... [more ▼]

Chacun le sait, le « passage au numérique » continue de bouleverser le cinéma : production, conception, écriture, distribution, réception, tous les aspects du champ cinématographique sont pris dans un processus de transformation. Interroger les contours technologiques du cinéma contemporain, c’est aussi questionner les formes cinématographiques de demain. Aussi, cette modeste conférence, après avoir tenté de délimiter la notion en vogue de « post-cinéma », pointera quelques-unes des problématiques les plus actuelles de l’évolution du langage cinématographique, dont la multiplication des plates-formes de visionnement, le filmage en 3-D, la motion capture ou l’hybridation prise de vues réelles et animation, pour offrir un rapide aperçu des nouveaux horizons du cinéma. [less ▲]

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See detailJustice sociale et structures éducatives
Baye, Ariane ULg

Scientific conference (2013, July 03)

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See detailForces et faiblesses du système éducatif en Fédération Wallonie-Bruxelles
Baye, Ariane ULg

Scientific conference (2013, July 03)

Detailed reference viewed: 26 (9 ULg)
See detailRepresenting rural migrants in films: an exploration of the subjectivities and agency of rural migrants in independant Chinese documentaries
Florence, Eric ULg

Scientific conference (2013, July 03)

One of the defining features of Chinese new documentaries is the relationship which the filmmakers build with the subjects they are filming thanks to their bottom-up perspectives. In this paper, I will ... [more ▼]

One of the defining features of Chinese new documentaries is the relationship which the filmmakers build with the subjects they are filming thanks to their bottom-up perspectives. In this paper, I will discuss Lü Xinyu’s argument that new documentary filmmakers have allowed “the power of reality to inter into their films” and that this reality “thereby exceeds their subjective will as filmmakers” (Lü 2010: 28). More specifically, by looking at how rural migrant workers are represented in these films, I will argue that new documentaries provide a very valuable vantage point in order to engage with the rich and at once highly contradictory dimension of rural migrant workers’ identity and agency made of aspirations, hopes, but also frustration, and hardship. [less ▲]

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See detailModeling the uncertainty of runoff flow path on a small agricultural watershed
Ouedraogo, Mohamar ULg

Scientific conference (2013, July 01)

Recently, many munipalities have been concerned by muddy floods in Belgium after rain events. Unfortunately they lead to many consequences related to financial and emotional aspects. For many years the ... [more ▼]

Recently, many munipalities have been concerned by muddy floods in Belgium after rain events. Unfortunately they lead to many consequences related to financial and emotional aspects. For many years the government have been trying to find solutions by helping municipalities by providing them with technical support through projects like ERRUISSOL and GISER. To implement solutions, it is necessary to be able to predict runoff flow path on agricultural watersheds. This is done by applying water flow direction algorithms on digital elevation model (DEM) built from elevation data. However, digital elevation models are not free of errors, and therefore they can impact the extracted flow path position. Our aim is to present the Monte Carlo simulation that is used to model the uncertainty of runoff flow path extracted from high resolution DEM built from terrestrial laser scanner. [less ▲]

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See detailDevelopment of formulated elicitors to control bioagressors of wheat
Le Mire, Géraldine ULg; Deleu, Magali ULg; Ongena, Marc ULg et al

Scientific conference (2013, July)

Detailed reference viewed: 32 (14 ULg)