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See detailComparing the paleoseismic record obtained by coring a sag-pond and by classical trenching along the eastern segment of the North Anatolian Fault
Hubert, Aurelia ULg; Avsar, Ulas; Fraser, Jeef et al

Conference (2012, October)

Shallow lakes along minor structural bends or discontinuities of strike-slip fault are not usually paleoseismological target sites. In the present talk we show that a 2m deep, 700m long lake crosscut by ... [more ▼]

Shallow lakes along minor structural bends or discontinuities of strike-slip fault are not usually paleoseismological target sites. In the present talk we show that a 2m deep, 700m long lake crosscut by the eastern segment of the North Anatolian Fault contains a reliable paleoseimological record obtained through coring. The North Anatolian Fault, a major strike-slip fault in Turkey, last ruptured across the Aşağıtepecik Lake in 1939 with a slip of about 6 m. Seismic lines still show remains of the fault rupture forming minor scarps across the lake. Collected short cores display a set of sedimentary sequences. Each sequence is composed of similar organic rich sedimentary units. The lower unit is dark and fibrous, and is similar to the present sedimentation at the top of the core. The upper unit is disturbed and has anomalous organic matter content, grain size and mineralogy. It is interpreted as an earthquake induced sedimentary event. The 2.5 m long AT2007LG core comprises four sequences, and four sedimentary events. Radiogenic 210Pb and 137Cs data obtained in Boes et al. (2009) imply that the shallowest event 1 was triggered by the 1939 M=7.9 Erzincan earthquake. Radiocarbon dating suggest that events 2 and 4 were initiated by the 1668 and 1254 historical earthquakes. The event 3 does not correspond to a large historical earthquake on the NAF. The record can be compared to a classical paleoseismological study located about 2.5 km more to the east. The investigation comprised three paleoseismic trenches located along about 2km of the principal fault strand. Trench T1 revealed clear evidence for one earthquake interpreted to be the 1939 Erzincan earthquake. Trench T2 revealed evidence of three earthquakes. Trench T3 revealed a record of colluvial wedges that interfinger with fine-grained inter-fan deposits. We interpreted a sequence of six earthquake event horizons including the 1939 Erzincan earthquake. The first three earthquakes are correlated to historical earthquakes in A.D. 1668, 1254, 499 and two further events were identified at 881 – 673 B.C. and 1406 – 1291 B.C. (2σ age ranges). By comparing all available earthquake timing studies,we conclude that the 1939 earthquake segment does not always rupture in unison. [less ▲]

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See detailNumerical study of the thermo-hydro-mechanical behavior of GMZ bentonite
Chen, L.; Wang, J.; Liu, Y. et al

Conference (2012, October)

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See detailThree-dimensional Modelling of Asperity Crushing
Carretta, Yves ULg; Boman, Romain ULg; Legrand, Nicolas et al

Conference (2012, October)

Asperity flattening has a huge influence on friction and wear in metal forming processes. Nevertheless, phenomena that occur at the microscopic scale are still not well understood. Since no experiment can ... [more ▼]

Asperity flattening has a huge influence on friction and wear in metal forming processes. Nevertheless, phenomena that occur at the microscopic scale are still not well understood. Since no experiment can be easily performed in real forming conditions, numerical models are essential to achieve a better knowledge of what happens in these contact regions. In this paper, a threedimensional model of a rough strip flattened by a rigid rough tool is presented. The boundary conditions applied to this model correspond to the ones encountered in a real cold-rolling case. The results are compared to experimental measurements from the pilot mill of ArcelorMittal Maizières R&D. [less ▲]

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See detailA combined onomasiological and semasiological approach to the development of a comprehensive interface terminology for information storage and retrieval in primary health care
Vander Stichele, Robert H; Jamoulle, Marc ULg; Cardillo, Elena et al

Conference (2012, October)

An elaborated approach to creating a reference terminology has been developed. First, terms are selected from everyday interactions between doctors (occurrences in medical records, in guidelines), based ... [more ▼]

An elaborated approach to creating a reference terminology has been developed. First, terms are selected from everyday interactions between doctors (occurrences in medical records, in guidelines), based on frequency count and relevance. Then an onomasological approach is applied to make a choice on basic concepts most intricately related to the most common sense of the selected terms. If possible a perfect concordance for that concept is looked for in the SNOMED nomenclature, and if not possible, in UMLS nomenclature, or genuinely defined. The nature of the mapping from the concept in the reference terminology to external international classification is qualitatively rated (exact, nearly exact, match to higher or lower level of granularity). In addition, each concept in the Reference Terminology (RT) is also mapped to classifications such as ICPC, ICD. Mapping to thesauri (MeSH) and other nomenclatures (LOINC, NANDA) is foreseen. [less ▲]

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See detailAnalyzing terms of a narrative family medicine guidelines using ICPC, ICD, SNOMED-CT and UMLS.
Jamoulle, Marc ULg; Vander Stichele, Robert; Cardillo, Elena et al

Conference (2012, October)

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See detailProposition de Règlement europén régimes matrimoniaux : le choix de la loi applicable
Wautelet, Patrick ULg

Conference (2012, October)

In this presentation I review the provisions of the EU Draft Proposed Regulation on Matrimonial Property, focusing on the choice of law, in the light of the amendments suggested by the EP. Based on this ... [more ▼]

In this presentation I review the provisions of the EU Draft Proposed Regulation on Matrimonial Property, focusing on the choice of law, in the light of the amendments suggested by the EP. Based on this critical review, I offer some suggestions for amendment of the Draft Proposal. [less ▲]

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See detailLe rôle du traducteur comme pionnier du goût littérautre
Goto, Kanako ULg; Morita, Hélène

Conference (2012, October)

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See detailL’affaire du voile en Belgique : la vision médiatique de la femme arabo-musulmane réduite à son voile
Luceno Moreno, Marta ULg

Conference (2012, October)

Cela fait maintenant plus de 20 ans que l’affaire du voile a éclaté en Belgique pour la première fois, contaminée par le débat public ouvert en France après l’exclusion du lycée de Creil de trois jeunes ... [more ▼]

Cela fait maintenant plus de 20 ans que l’affaire du voile a éclaté en Belgique pour la première fois, contaminée par le débat public ouvert en France après l’exclusion du lycée de Creil de trois jeunes qui portaient le hijab. Comme en France, depuis 1989 la question du hijab apparaît et disparaît de la scène médiatique belge par intermittence. À la différence de la France, qui en 2004 se penche sur la question afin de trouver une solution juridique fermant définitivement la controverse, la question du hijab à l’école va rester perpétuellement dans le débat belge par manque de solutions politiques. Toutefois, si dans un premier temps la question du hijab se posait uniquement dans les écoles, à partir de 2004 le débat s'élargit et concerne peu à peu les administrations publiques, les salles de justice ou le Parlement, avant d’occuper la totalité de l’espace public avec la question de la burqa. [less ▲]

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See detailMaths & Manips pour le primaire. Favoriser l'apprentissage des grandeurs par des manipulations
Guissard, Marie-France; Henry, Valérie ULg; Vansimpsen, Sylvie et al

Conference (2012, October)

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See detailUsing ghost rock weathering as a new tool for quarry management
Fischer, Valentin ULg; Vergari, Anne

Conference (2012, October)

Although karstic weathering (sensu lato) is a major concern for the exploitation of limestone quarries, the importance, spatial extension, and intensity of this natural phenomenon are rarely investigated ... [more ▼]

Although karstic weathering (sensu lato) is a major concern for the exploitation of limestone quarries, the importance, spatial extension, and intensity of this natural phenomenon are rarely investigated because of the lack of applicable technique to assess these variables other than subsurface geophysical exploration methods. Here, we propose to use the intrinsic property of ghost-rock weathering, tectonic control, to predict the degree and type of weathering of the reserve of two contiguous limestone quarries in the Tournai area (western Belgium). First, we revised the macrotectonic setting of these quarries, creating five tectonic entities. Then, we built an extensive fracture database (1357 ‘events’), recording fracture direction, dip, width, height, mineralization, and weathering. Then, we calculated a “Sterile Index” that is a simple function of the relative occurrence and mean width of karstified fractures. The rose diagrams of fracture orientations are contrasted between tectonic entities and so are the intensity and the dominant type of weathering: tectonic entities with widely dispersed fracture directions are significantly more weathered than entities with narrowly dispersed rose diagrams. Preliminary tests indicate fracture orientation and weathering are consistent within the tectonic entities, allowing extrapolation to quarries reserves. Ultimately, this technique can be used to predict the rock waste volume of the quarries reserves (when combined with geophysical exploration methods) and manage the development of the quarries accordingly. [less ▲]

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See detailBecoming a Mother by AID within a Lesbian Couple: The Issue of the Third’
Naziri, Despina ULg

Conference (2012, October)

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See detailModélisation numérique hydrosédimentaire au service de la gestion durable des sédiments
Dewals, Benjamin ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

Conference (2012, October)

Le groupe de recherches HECE de l’ULg développe depuis plus de dix ans les systèmes de modélisation hydrosédimentaire WOLF. Intégrant des modules de simulation 1D, 2D-horizontal, 2D-vertical et 3D, il ... [more ▼]

Le groupe de recherches HECE de l’ULg développe depuis plus de dix ans les systèmes de modélisation hydrosédimentaire WOLF. Intégrant des modules de simulation 1D, 2D-horizontal, 2D-vertical et 3D, il permet la modélisation intégrée des diverses phases d’écoulement depuis le ruissellement hydrologique sur les bassins versants jusqu’aux écoulements fluviaux et au voisinage des structures hydrauliques. Deux gammes d’applications récentes du modèle 2D seront présentées : - écoulements de crues et inondations influencés par les dépôts dans les voies navigables et analyse de l’efficacité d’opérations de dragage ; - prédiction de l’engravement de réservoirs (aménagements hydroélectriques) et simulation de mesures de gestion de ces sédiments (opérations de chasse). L’accent sera mis tant sur le volet applicatif que sur les développements numériques innovants sous-jacents. [less ▲]

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See detailInfluence of the oxygen probe location in the furnace on the measured oxygen rate
Dumont, Fabien ULg

Conference (2012, October)

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See detailNurse educator's competencies: facing the challenges
Dury, Cécile ULg

Conference (2012, October)

This symposium proposes presentations related to nurse educators competencies and the challenges links to their new roles. The evolution of the nurses training at the European level asks the teacher to ... [more ▼]

This symposium proposes presentations related to nurse educators competencies and the challenges links to their new roles. The evolution of the nurses training at the European level asks the teacher to develop high-level disciplinary skills but also educational skills. There are lots of challenges to develop nurse educator competencies. The role of the teachers is not any more to transmit disciplinary knowledge but to become experts in group management, colleagues teamwork, reflective practice, and construction of active learning situations in a socio constructivist model. These changes of roles also have an impact on the professional identity of the teachers. The various presentations will approach successively these ideas: 1. A proposal for a Competencies Benchmarking of Nurse Educators The aim of this presentation is to characterize the nursing teachers concepts on their professionalism,roles, competences and their identities construction. 2. Educational knowledge in teaching in nursing This presentation examine the teachers conceptions about teaching nursing and professional knowledge about teaching in higher education. 3. Construction of teaching/learning to care from the perspective of nursing teacher This presentation analyses the facilities and difficulties of nurse teacher in their role. 4. The OSCE, an educational project who support the development of the nurse teacher competencies A model for the implementation of a reflexive approach for the nursing training: challenges for the nurse teachers [less ▲]

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See detailModelling the excavation damaged zone in Callovo-Oxfordian claystone with strain localization
Pardoen, Benoît ULg; Collin, Frédéric ULg; Levasseur, Séverine ULg et al

Conference (2012, October)

Gallery excavation in clayey rocks induces stress perturbations that trigger damage propagation. The excavation process creates then the so-called excavation damaged zone in which properties are modified ... [more ▼]

Gallery excavation in clayey rocks induces stress perturbations that trigger damage propagation. The excavation process creates then the so-called excavation damaged zone in which properties are modified. The prediction of the extension and especially of the fracturing structure in this zone remains a crucial issue in the context of underground storage. Since strain localization in shear band mode is frequently observed in experimental works, the excavation damaged zone can be modeled by considering the development of strain localization bands. A hydro-mechanical modelling of a gallery excavation is performed. The numerical results exhibit an excavation damaged zone extension similar to the in situ measurements and provides information about the rock state within this zone. [less ▲]

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See detailQuand l’Art parle des restructurations : au-delà du dévoilement, une forme d’expérimentation
Beaujolin-Bellet, Rachel; Bobadilla, Natalia; Mourey, Damien et al

Conference (2012, October)

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See detailLes spécificités de la gestion d'une maison de luxe : vers une modélisation atemporelle de la performance
Riguelle, France ULg; Van Caillie, Didier ULg

Conference (2012, October)

Le but ultime de la présente recherche est de modéliser la performance des maisons de luxe de manière transversale (nous décidons de ne pas privilégier l’approche marketing comme une grande partie de la ... [more ▼]

Le but ultime de la présente recherche est de modéliser la performance des maisons de luxe de manière transversale (nous décidons de ne pas privilégier l’approche marketing comme une grande partie de la littérature dédiée à la gestion des métiers du luxe) et atemporelle. Nous proposons d’organiser, au travers du Prime de la Performance (Neely, Adams et Kennerley, 2002), les FCS dont la mise en œuvre permet d’atteindre la performance globale. Cette recherche constitue donc un premier pas vers une modélisation de la performance de la maison de luxe. [less ▲]

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See detailSynthèse de MWNT dans un réacteur continu incliné rotatif à lit mobile par procédé CCVD
Douven, Sigrid ULg; Pirard, Sophie ULg; Chan, Fang-Yue et al

Conference (2012, October)

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See detailA design for living: metaleptic devices and trends of gnostic imagination in contemporary science-fiction
Claisse, Frédéric ULg

Conference (2012, October)

As a narrative pattern and a cultural motif, the confusion between fictional worlds and reality traditionally leads to metaphysical arguments about liberty and destiny. Despite their drawing heavily on ... [more ▼]

As a narrative pattern and a cultural motif, the confusion between fictional worlds and reality traditionally leads to metaphysical arguments about liberty and destiny. Despite their drawing heavily on scientific imagination and technoscientific artefacts, science fiction movies exploring that theme never really broke with the way it has been treated since Calderon de la Barca’s Life is a dream: the hero’s quest leads him to doubt his own identity and dispute the ontological status of the world he lives in, leaving him and the viewer perplexed as to the ultimate nature of things. Yet, in the last fifteen years, an increasing number of science-fiction movies renewed that interrogation, notably by placing the issue of design at the centre of the plot: fictional worlds are not only denounced as fictional, but also shown as works in progress, literally rebuilt according to the plan of not-so-hidden designers acting as demiurges. In Dark City, Vanilla Sky or, more recently, Inception and The Adjustment Bureau, the emphasis on design and architecture together with the use of computational metaphors result in the promotion of one particular world to the status of “reference” universe, to be held as more “real” than other, fabricated and computed worlds made accessible by sophisticated devices operating as metaleptic instruments (such as Neo’s cable plug or the “bio-ports” in ExistenZ). This paper wishes to explore this shift towards “gnostic", Matrix-like science-fictional narratives, particularly in relation to the dramatic development of networking and surveillance capabilities that occurred during the same period. [less ▲]

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See detailNonlinear Dynamic Analysis of Aerospace Structures
Kerschen, Gaëtan ULg; Noël, Jean-Philippe ULg; Renson, Ludovic ULg et al

Conference (2012, October)

Current practice in industry is to rely on linear finite element simulations. However, nonlinearity is a frequent occurrence in engineering structures. It is at the origin of rich and complex dynamical ... [more ▼]

Current practice in industry is to rely on linear finite element simulations. However, nonlinearity is a frequent occurrence in engineering structures. It is at the origin of rich and complex dynamical phenomena that cannot be observed in linear structures. Solving both the direct and inverse problems in nonlinear structural dynamics therefore warrants the development of appropriate methodologies. The focus of the presentation will first be on the inverse problem. We will describe the different steps of the nonlinear system identification process and discuss the current capabilities of existing methods. The presentation will then address the direct problem during which the identified model is used for accurately predicting the structure’s dynamic characteristics. A rigorous nonlinear extension of modal analysis will be presented, and we will show that it represents a very useful framework for understanding nonlinear dynamical phenomena and supporting design decisions. Two real-life aerospace structures will be considered for illustrating the proposed developments. [less ▲]

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See detailTADAM L’avis des usagers non inclus dans le traitement par héroïne
Magoga, Cécile; Demaret, Isabelle ULg

Conference (2012, October)

Introduction : Le projet TADAM, une étude contrôlée randomisée, comparait un nouveau traitement assisté par héroïne avec des traitements existants par méthadone à Liège, en Belgique. Nous avons réalisé ... [more ▼]

Introduction : Le projet TADAM, une étude contrôlée randomisée, comparait un nouveau traitement assisté par héroïne avec des traitements existants par méthadone à Liège, en Belgique. Nous avons réalisé une étude qualitative sur l'attitude des personnes dépendantes de l'héroïne envers ce type de projet, ainsi que sur l'attitude des intervenants d'institutions de soins travaillant avec ces personnes Méthode : Avant qu'un patient ne soit inclus dans le projet TADAM, il lui était demandé d'expliquer pourquoi il souhaitait rentrer en traitement (n=80). Des interviews ont également été réalisées auprès de consommateurs d'héroïne non inclus dans le projet, avant la période d'inclusion (n=65), au milieu de celle-ci (n=30) et dans ses derniers mois (n=23). Pendant le projet, des interviews ont également été réalisées auprès d'intervenants travaillant dans des institutions de soins pour personnes dépendantes de substances, soit de manière individuelle (n=10), soit en groupe (n=6) pour connaître leur attitude face au projet TADAM. Résultats : De nombreux patients souhaitaient rentrer dans ce projet pour améliorer leurs conditions de vie. La raison principale de ne pas rentrer dans ce type de traitement était la peur de devenir plus dépendant. Cette raison était renforcée par le fait que le traitement par héroïne proposé ne durait que 12 mois et les patients s'inquiétaient de leur situation après ce traitement : ils avaient peur d'être plus dépendants et donc dans une situation plus difficile qu'avant le traitement. L'attitude des intervenants étaient plutôt favorable mais prudente. Conclusion : Contrairement aux craintes préalables, les usagers d'héroïne ne se précipitent pas en masse et sans réfléchir vers un traitement assisté par héroïne. Certains réfléchissent longtemps avant de s'y engager. Une information précise et un traitement sans durée minimum sont nécessaires. [less ▲]

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See detailOptimization of POP analysis in small sample amounts.
L'Homme, Benjamin ULg; Focant, Jean-François ULg

Conference (2012, October)

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See detailPositionnement de la fonction RH dans un contexte de crise
Pichault, François ULg

Conference (2012, October)

Detailed reference viewed: 88 (6 ULg)
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See detailEarly Bronze Age Houses in Upper Mesopotamia: Evidence of Dwellings or Private Enterprises?
Mas, Juliette ULg

Conference (2012, October)

This paper dealt with the research I carried out on domestic architecture and private economy during Early Bronze Age in Upper-Mesopotamia. Archaeological records, as well as textual evidence, has been ... [more ▼]

This paper dealt with the research I carried out on domestic architecture and private economy during Early Bronze Age in Upper-Mesopotamia. Archaeological records, as well as textual evidence, has been used to try to define private households activities and their relationships with official institutions. Households were the main source of production, distribution and consumption during the Early Bronze Age. As it seems that these private economic entities produced goods and crafts in their own houses, analyzing domestic architecture could be a way to approach Mesopotamian economic activities. In Northern Mesopotamia the economic system was already strongly articulated; beyond palatial organizations it was also largely based on private group activities, often structured by kinship. [less ▲]

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See detailHepatitis E virus infection in domestic swine, wild boar and human in Belgium
Thiry, Damien ULg; Mauroy, Axel ULg; Brochier, Bernard et al

Conference (2012, October)

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See detailRADIATION SHIELDING OF COMPOSITE SPACE ENCLOSURES
Atxaga, G.; Marcos, J.; Jurado, M. et al

Conference (2012, October)

Space electronic systems employ enclosures to shield sensitive components from space radiation. The purpose of shielding is to attenuate the energy and the flux of ionizing radiation as they pass through ... [more ▼]

Space electronic systems employ enclosures to shield sensitive components from space radiation. The purpose of shielding is to attenuate the energy and the flux of ionizing radiation as they pass through the shield material, such that the energy per unit mass (or dose) absorbed in silicon is sufficiently below the maximum dose ratings of electronic components. The received radiation amount varies significantly depending on several variables that include mission parameters (orbit, altitude, inclination and duration), spacecraft design (spacecraft wall thickness and panel-enclosure location). To achieve the optimum shielding with the minimum weight, all these variables have to be considered in the design. Energetic particles, mainly electrons and protons, can destroy or cause malfunctions in spacecraft electronics. The standard practice in space hardware is the use of aluminium as both a radiation shield and structural enclosure. Composite structures show potential for significant mass savings. However, conventional graphite epoxy composites are not as efficient shielding materials as aluminium because of their lower density, that is, for the same mass, composites provide 30 to 40% less radiation attenuation than aluminium. A solution is to embed high density (atomic weight) material into the laminate. This material, typically metallic material, can be dispersed in the composite or used as layers in the laminate (foils). The main objective of the “Radiation Shielding of Composite Space Enclosures” (SIDER) project is the development of the technologies and tools required to obtain lightweight, safe, robust and reliable composite structures. Two different strategies are being analysed as alternatives for radiation shielding: and he incorporation of a high density material foil. This paper will present and analyse the radiation shielding obtained by the incorporation of nanomaterials in composite structures. [less ▲]

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See detailGCxGC-TOFMS for VOC Analyses: Forensic and Medical Applications
Focant, Jean-François ULg

Conference (2012, October)

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See detailReintroduction of processed animal proteins in feed-filled gaps and gaps to be filled
Veys, Pascal; Lecrenier, Marie-Caroline ULg; Baeten, Vincent

Conference (2012, October)

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See detailThe Limits of Diasporic Solidarity in Dinaw Mengestu's Fiction
Ledent, Bénédicte ULg

Conference (2012, October)

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See detailHjelmslev's notion of "Participation"
Cigana, Lorenzo ULg

Conference (2012, September 29)

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See detailCardiac surgery and acute kidney injury: retrospective study
LAGNY, Marc-Gilbert ULg; BLAFFART, Francine ULg; Defraigne, Jean-Olivier ULg et al

Conference (2012, September 29)

Background: In cardiac surgery, acute kidney injury (AKI) is a severe postoperative complication and associated with increased rates of mortality, morbidity, and length of stay in intensive care units ... [more ▼]

Background: In cardiac surgery, acute kidney injury (AKI) is a severe postoperative complication and associated with increased rates of mortality, morbidity, and length of stay in intensive care units (ICU). It occurs in 5% to 30% of patients depending on the definition used [1] [2] [3]. The aim of this study is to present an overview of AKI following cardiac surgery associated or not with cardiopulmonary bypass. Methods: This retrospective study includes patients treated by cardiac surgery from April 1st, 2008 to March 31th, 2009 in a single center. We selected patients who underwent on-pump coronary artery bypass surgery (CABG), off-pump CABG (OPCAB), aortic valve replacement, mitral valve repair or replacement and aortic valve replacement combined with CABG. Patients undergoing renal replacement therapy preoperatively were excluded. The RIFLE classification (Risk, Injury, Failure, Loss and End stage kidney disease) allowed to stratify the patients into the 3 grades of AKI severity. The stratification was based on the most pejorative element observed within 7 days after surgery: increased serum creatinine level or decreased urine output, or decreased glomerular filtration rate according to criteria of Bellomo [4]. Occurrence of AKI was studied by type of cardiac surgery as its impact on the length of stay in ICU and in the hospital. Proportions were compared by the Chi-square test and median values by the Kruskal-Wallis. Results were considered significant at p < 0.05. Results: Four hundred and thirty four patients were included: median (IQR) age 69.0(60.0-76.0) year, 30.2% females, 2.76% urgent/emergent cases. Fifty-eight patients (13.4%) underwent OPCAB, 182(41.9%) on-pump CABG, 104(24.0%) aortic valve replacement, 44(10.1%) mitral valve repair or replacement and 46(10.6%) aortic valve replacement combined with CABG. AKI occurred in 213(49.1%) patients: 79(37.1%) “Risk”, 108(50.7%) “Injury” and 26(12,2%) “Failure”. Occurrence of AKI after OPCAB was 21(9.86%), CABG 80(37.6%), aortic valve replacement 51(23.9%), mitral valve surgery 23(10.8%) and aortic valve replacement combined with CABG 38(17.8%). AKI occurrences differed significantly between the different groups of surgery (p<0.0001). Lengths of stay in ICU were significantly longer (p<0.0001) in AKI group compared with non AKI group: 3(2-4) days versus 2(2-3) days. No difference (p = 0.65) was observed between the two (AKI and NON-AKI) groups in hospital length of stay: 13(10-18) days versus 12(10-16) days. Conclusions: The incidence of AKI is very high in this population as compared to the literature. This may be due to the fact that the three elements of the RIFLE classification for all the population studied have been used: serum creatinine level, urine output and glomerular filtration rate. This study emphasizes the need for clear definition of AKI in order to compare adequately different studies. AKI after cardiac surgery with cardiopulmonary bypass would be further studied in order to develop more appropriate preventive measures. [less ▲]

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See detailTransplantation et don d'organes en Belgique
DETRY, Olivier ULg

Conference (2012, September 29)

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See detailAbout the diagnosis of acute transfusion-related reaction during cardiopulmonary bypass
ERPICUM, Marie ULg; BLAFFART, Francine ULg; DEFRAIGNE, Jean ULg et al

Conference (2012, September 29)

Many advances have been realized in the field of blood safety during the last decade: donors’ selection, leukoreduction of packed red blood cells and platelet concentrates, genomic screening of blood ... [more ▼]

Many advances have been realized in the field of blood safety during the last decade: donors’ selection, leukoreduction of packed red blood cells and platelet concentrates, genomic screening of blood-borne diseases, viral and bacterial inactivation process,... However, transfusion of blood components remains unsafe. Therefore, detecting and reporting transfusion-related complications are still essential means for both the patients’ management and the public health approach, since these measures help to adjust preventive measures to be applied in a haemovigilance purpose. Most acute transfusion-related complications occur within minutes or hours after transfusion and require urgent medical care; delayed transfusion reactions may also develop days, even months later, implying a longer follow-up. Transfusion of red blood cells is not infrequent during cardiac surgery with cardiopulmonary bypass. Symptoms of acute transfusion-related reactions include hypotension, diffuse bleeding, hemoglobinuria and oliguria. These symptoms are identical to those that can be observed during a complicated cardiopulmonary bypass. Consequently, identification of acute transfusion-related reactions in this particular situation is quite difficult and probably leads to an under-reporting of their occurrence. In this paper, we explore how to track acute transfusion-related reactions during cardiopulmonary bypass. Any suspicion of such reactions must leads to investigations, in order to confirm the diagnosis. Their detection would allow to better focus their specific treatment and further their notification in a global blood safety policy. [less ▲]

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See detailWhen should we measure Vitamin D in Clinical Practice
CAVALIER, Etienne ULg

Conference (2012, September 29)

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See detailPresentación del libro "L'Association : une utopie éditoriale et esthétique"
Dejasse, Erwin ULg

Conference (2012, September 28)

Detailed reference viewed: 25 (3 ULg)
See detailLe vieillissement, entre stéréotypes et diversité des parcours
Nisen, Laurent ULg

Conference (2012, September 28)

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See detailUsefulness and limits of the clinical assessment of the gait in old persons
Petermans, Jean ULg

Conference (2012, September 28)

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See detailLe retour de la phagothérapie. Et pourquoi pas…
Sohier, Jean ULg

Conference (2012, September 28)

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See detailOn the origin of Saturn's polar auroral arcs
Radioti, Aikaterini ULg; Grodent, Denis ULg; Gérard, Jean-Claude ULg et al

Conference (2012, September 27)

Saturn’s main auroral emission similarly to Earth’s is suggested to be associated with the open-closed field line boundary. The polar auroral emissions at Saturn, emissions located poleward of the main ... [more ▼]

Saturn’s main auroral emission similarly to Earth’s is suggested to be associated with the open-closed field line boundary. The polar auroral emissions at Saturn, emissions located poleward of the main emission consist of several arc-like and spotty features. In this study we focus on the arc-like structures observed with the UVIS instrument onboard Cassini and we characterize them into three groups: ‘bending arcs’ arcs whose one end is connected to the main emision, ‘oval aligned arcs’ arcs oriented parallel to the main emission and ‘moving arcs’ arcs which move with time inside the main emission. We study their occurrence rate, location, size as well as their associated expansion or contraction of the main emission. Finally, we compare the auroral arcs at Saturn with those in the terrestrial aurora and we examine their relation to a combination of solar wind parameters such as northward IMF, strong IMF magnitude and high solar wind speed. [less ▲]

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See detail"Le théâtre et ses publics : la création partagée" Introduction au colloque
Delhalle, Nancy ULg

Conference (2012, September 27)

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See detailIsolating the 130.4 nm and 135.6 nm emissions in Ganymede’s aurora using broadband optics
Molyneux, Philippa M; Grodent, Denis ULg; Bunce, Emma J et al

Conference (2012, September 27)

We discuss a technique for isolating the two main Far Ultraviolet emission lines in Ganymede’s aurora by adding flight proven transmission filters to a broad- band, wide-field imager design. We find that ... [more ▼]

We discuss a technique for isolating the two main Far Ultraviolet emission lines in Ganymede’s aurora by adding flight proven transmission filters to a broad- band, wide-field imager design. We find that the ra- tio of OI emissions at 135.6 nm and 130.4 nm can be recovered if the transmission of the filters and other optical elements are well known. This ratio allows constraints to be placed on the relative abundances of O atoms and O2 molecules within Ganymede’s at- mosphere, leading to more accurate models of atmo- spheric composition. [less ▲]

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See detail"Gens" isiaque et intailles. L’envers de la médaille
Veymiers, Richard ULg; Bricault, Laurent

Conference (2012, September 26)

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See detailSatellite-induced electron acceleration and related auroras
Hess, Sebastien; Delamere, Peter A.; Bonfond, Bertrand ULg et al

Conference (2012, September 26)

Satellite-induced auroral emissions are known since decades, in particular those associated with the interaction of Io with the Jovian ionosphere. These emissions range from low frequency radio to UV ... [more ▼]

Satellite-induced auroral emissions are known since decades, in particular those associated with the interaction of Io with the Jovian ionosphere. These emissions range from low frequency radio to UV. Flyby of Io allowed to better understand the power generation close to the satellite, and showed the existence of electron beams accelerated at high latitude. We will present a study of the power transfer between the local interaction at Io and the electron accelerated close to Jupiter. It shows that Alfvén acceleration can explain the morphology and brightness of the Io-related auroraeand the observed accelerated electrons in Io’s wake. The study is extended to the Europa, Ganymede and Enceladus for which auroral emissions have been observed, as well as to Callisto and to the principal inner satellites of Saturn. [less ▲]

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See detailThe applications of biodegradable polymers for drug delivery and tissue engineering
Grandfils, Christian ULg

Conference (2012, September 25)

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See detailL’énonciation vidéoludique : analyse du jeu Portal
Barnabé, Fanny ULg

Conference (2012, September 25)

Cette présentation s'intéresse aux particularités énonciatives du jeu vidéo en mettant à profit les outils développés par la sémiotique visuelle et en prenant appui sur l'analyse d'une oeuvre spécifique ... [more ▼]

Cette présentation s'intéresse aux particularités énonciatives du jeu vidéo en mettant à profit les outils développés par la sémiotique visuelle et en prenant appui sur l'analyse d'une oeuvre spécifique: le jeu "Portal" (Valve Software, 2007). [less ▲]

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See detailLa répétition comme fond ou comme figure : une étude de cas
Lindenberg Lemos, Carolina ULg

Conference (2012, September 25)

While addressing the matter of the effects of tension produced by repetitive elements in texts, we came across the question of the level of pertinence where such effects would arise. After a brief ... [more ▼]

While addressing the matter of the effects of tension produced by repetitive elements in texts, we came across the question of the level of pertinence where such effects would arise. After a brief investigation of linguistic levels (sounds, words, phrases, sentences) and of semiotic levels (figures, themes, motifs, narrative structures), this approach proved to be of little consequence, seeing as it is possible to find, in each level, examples of repetitions that are relevant and that are irrelevant for the effects under study. Borrowed from the Gestalt theory and the more recent developments in Cognitive Linguistics, the concepts of figure and ground may serve as tools in the research. The level of pertinence is then established through relations, i.e. it is subject to the relative position of the repetitive elements in the whole of the text, as well as in its combination with the other parts of the text. Français : À partir de l'étude des effets de tension produits par les éléments répétitifs dans les textes, la question se pose à propos du niveau de pertinence où ces effets sont ressentis. Cependant, après une brève investigation des niveaux linguistiques (sons, mots, syntagmes, phrases) et des niveaux sémiotiques (figures, thèmes, motifs, structures narratives), la question se trouve dénuée de conséquence, vu qu'il est possible de trouver des répétitions et pertinentes et non pertinentes à chaque niveau. Pour avancer sur ce point, les concepts de fond et figure, empruntés de la théorie de la Gestalt et des nouveaux développements de la Linguistique Cognitive, peuvent servir d'outils. La pertinence de la répétition s’établit alors de manière relationnelle, c'est-à-dire en fonction de la position relative des éléments répétitifs dans le tout et par rapport aux autres parties du texte. [less ▲]

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See detailSustainability Performance Management in Large Firms: A Qualitative Research amongst Seven Large Western European Firms
Crutzen, Nathalie ULg

Conference (2012, September 25)

The aim of this paper is to understand better sustainability performance management in large firms. Based on previous research in this field, this paper reports the results of a qualitative research ... [more ▼]

The aim of this paper is to understand better sustainability performance management in large firms. Based on previous research in this field, this paper reports the results of a qualitative research amongst seven large Western European firms. This research examines why and how these large firms manage their sustainability performance. [less ▲]

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See detailLe métier de gestionnaire de recherche
Jeandrain, Denys ULg

Conference (2012, September 25)

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See detailTheoretical study of the superatom molecular orbitals of C60-C70
Mignolet, Benoît ULg

Conference (2012, September 24)

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See detailCulture and hallucinations: a review of the literature
Laroi, Frank ULg

Conference (2012, September 23)

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See detailHistoire de Liège et ses défis d’aménagement
Frankignoulle, Pierre ULg

Conference (2012, September 22)

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See detailSocietal Vulnerability and self-control : do violent values mediate this relation for boys and girls?
Gavray, Claire ULg; Vettenburg, Nicole; Pauwels, LIeven et al

Conference (2012, September 22)

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See detailNations et nationalismes au 21ème siècle
Jamin, Jérôme ULg

Conference (2012, September 22)

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See detailL’analyse métagénomique ciblée au service de la microbiologie des aliments : applications concrètes
Taminiau, Bernard ULg; Nezer, Carine; Delhalle, Laurent ULg et al

Conference (2012, September 21)

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See detailPour une critique du concept d’empathie : dimensions épistémologique, clinique, et diagnostique
Englebert, Jérôme ULg

Conference (2012, September 21)

Le concept d’empathie, s’il est très « à la mode », est rarement défini et encore moins souvent critiqué. Nous proposons de discuter de cette définition et de différencier ce concept de celui de sympathie ... [more ▼]

Le concept d’empathie, s’il est très « à la mode », est rarement défini et encore moins souvent critiqué. Nous proposons de discuter de cette définition et de différencier ce concept de celui de sympathie. Différentes propositions issues de la philosophie (notamment la distinction que M. Foucault fait de l’éthique et la morale ou le concept d’« intercorporéité » de M. Merleau-Ponty et M. Henry) nous permettront de formuler une critique du concept d’empathie. En clinique, on peut distinguer deux « types » d’empathie : celle du clinicien (il s’agit de l’empathie à visée méthodologique - conative) et celle du patient (il s’agit de l’empathie à visée diagnostique - implicite). L’empathie à visée méthodologique serait l’un des fondements de la relation clinique et de toutes les pratiques psychothérapeutiques. Néanmoins ce type de compréhension de l’autre présente des limites que nous discuterons. L’empathie à visée diagnostique est un phénomène clinique qui permet de poser un diagnostic. Le concept sera discuté dans le cas de différents troubles psychopathologiques (schizophrénie, psychopathie principalement). [less ▲]

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See detailDesign of novel copolymers by cobalt-mediated radical polymerization of N-vinyl amides
Debuigne, Antoine ULg

Conference (2012, September 21)

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See detailStrategies to decrease bleeding and biliary fistula
DETRY, Olivier ULg

Conference (2012, September 21)

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See detailInnovative utilization of the Lactoperoxidase System against apple’s postharvest diseases
Bafort, Françoise ULg; Jijakli, Haissam ULg; Perraudin, Jean-Paul

Conference (2012, September 21)

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See detailZinc hyperaccumulation: a model to examine metal homeostasis in plants
Hanikenne, Marc ULg; Nouet, Cécile ULg; Charlier, Jean-Benoit et al

Conference (2012, September 20)

The plant Arabidopsis halleri exhibits naturally selected metal hypertolerance and extraordinarily high levels of leaf metal accumulation. Metal hyperaccumulator species attract interest as they represent ... [more ▼]

The plant Arabidopsis halleri exhibits naturally selected metal hypertolerance and extraordinarily high levels of leaf metal accumulation. Metal hyperaccumulator species attract interest as they represent an extreme end of natural variation of the metal homeostasis network. This might be useful to reveal the global functioning of metal homeostasis networks and uncover key nodes whose alterations can drastically modify metal accumulation and tolerance. In addition, metal hyperaccumulation is a compelling model to study adaptation. In the last few years, major progress has been achieved in our understanding of the mechanisms underlying metal hyperaccumulation in A. halleri. High rates of metal uptake by roots, root-to-shoot translocation and efficient shoot vacuolar sequestration play central roles in determining hyperaccumulation and hypertolerance. Enhanced functions of several metal transporter-encoding genes result from gene copy number amplification and/or (cis)-regulatory changes. We will describe the function of several transporters in zinc and cadmium hyperaccumulation and hypertolerance, and in the adjustment of nutrient homeostasis in A. halleri. Recent work aiming to determine if selection acted during the evolutionary history of A. halleri on a loci required for metal tolerance and accumulation will be presented. [less ▲]

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See detailCDS and Financial Stability
Sougné, Danielle ULg; Mattar, Jamal ULg

Conference (2012, September 20)

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See detailFuran formation upon degradation of carbohydrates in combination with proteins and lipids
Owczarek, Agnieszka; De Meulenaer, Bruno; Scholl, Georges ULg et al

Conference (2012, September 20)

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See detailVtriusque sermonis cognatio : la lexicographie bilingue à la fin de l'Antiquité
Rochette, Bruno ULg

Conference (2012, September 20)

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See detailConditional Asset Allocation: Does Market-Wide Liquidity Matter?
Sougné, Danielle ULg; Heuchenne, Cédric ULg; Bazgour, Tarik ULg

Conference (2012, September 19)

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See detailBimby : un potentiel pour l'urbanisation future en Europe du Nord-Ouest ?
Halleux, Jean-Marie ULg

Conference (2012, September 18)

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See detailImpact du travail sur la santé.
Hansez, Isabelle ULg

Conference (2012, September 18)

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See detailA multiscale model of sprouting angiogenesis during fracture healing.
Carlier, Aurélie ULg; Geris, Liesbet ULg; Van Oosterwyck, Hans

Conference (2012, September 18)

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See detailEvaluation of aerosol jet printing (AJP) technology for electronic packaging and interconnect technique
Stoukatch, Serguei ULg; Seronveaux, Laurent; Laurent, Philippe ULg et al

Conference (2012, September 18)

We evaluated AJP (Aerosol Jet Printing) deposited silver layer on variety of organic substrates for the most common interconnect techniques for electronic packaging. Specifically, we checked if the AJP ... [more ▼]

We evaluated AJP (Aerosol Jet Printing) deposited silver layer on variety of organic substrates for the most common interconnect techniques for electronic packaging. Specifically, we checked if the AJP silver layer can be electrically interconnected by Au and Al wires bonding technique. We also evaluated suitability of AJP silver layer for surface-mount technology (SMT). We performed electrical characterization of the AJP silver layer. [less ▲]

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See detailA Dynamic Graph Model of Endochondral Ossification can assess the Importance of Biological Actors in Differentiation
Kerkhofs, Johan ULg; Van Oosterwyck, Hans; Geris, Liesbet ULg

Conference (2012, September 18)

Cell-based tissue engineering constructs are a promising avenue for the treatment of long bone defects since they provide the primordial ingredients for bone regeneration. The construct provides the ... [more ▼]

Cell-based tissue engineering constructs are a promising avenue for the treatment of long bone defects since they provide the primordial ingredients for bone regeneration. The construct provides the appropriate micro-environment through the carrier, cells to form tissue and chemical cues to kick start the natural bone forming process. Clearly this approach will benefit from a more comprehensive appreciation of how cell populations and the microenvironment provided by the carrier can impact on bone formation in all its complexities. A cornucopia of studies of developmental biology have revealed many biological actors that together form a central network that orchestrates cell behaviour during this process and assures its robustness. This knowledge can be brought to bear specifically in the form of a mathematical model of endochondral ossification, the dominant type of ossification. This model can facilitate the understanding of how growth factors and transcription factors influence cell fate decisions and consequently answer the question whether they can boost bone healing. The model formalism accommodates the qualitative information that is typically available in developmental studies. The network comprises 46 nodes and 161 interactions, shown to be important in endochondral ossification. To simulate network dynamics in discrete time the normalized value of each gene is determined by additive functions where all interactions are assumed to be equally powerful. Furthermore, each species is represented by a fast variable (activity level, as determined by post translation modifications) which is assumed to be in equilibrium with a slow variable (mRNA) at all times. Through a Monte Carlo approach the importance of each node in the stability of chondrocytic phenotypes (proliferating, hypertrophic) is assessed. The hypertrophic state, driven by Runx2, is more stable than the proliferating chondrocyte. This higher stability seems to be conferred by faster reactions that favor the hypertrophic phenotype. In addition, the results point out that some transcription factors are necessary for the induction of a certain phenotype, whereas other transcription factors are required to maintain the phenotype, but are not necessary capable of inducing it. Overall, the model allows the importance of several important factors in the fate decision of mesenchymal cells to be quantitatively assessed based mainly on topological information. [less ▲]

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See detailPenser par le milieu, cultiver l'équivocation
Despret, Vinciane ULg

Conference (2012, September 17)

« Gorgias, écrivait Barbara Cassin, montre comment le Poème de Parménide, loin de partir, comme il le prétend, d'un “il y a” de être (esti : es gibt Sein, dit Heidegger), fabrique bien plutôt l'être en le ... [more ▼]

« Gorgias, écrivait Barbara Cassin, montre comment le Poème de Parménide, loin de partir, comme il le prétend, d'un “il y a” de être (esti : es gibt Sein, dit Heidegger), fabrique bien plutôt l'être en le disant, le fait être ; on ne va pas de l'être au dire de l'être, en toute fidélité et adéquation, mais, à l'inverse, l'être est un effet de dire, un produit du poème, la conséquence d'une performance discursive. C'est de là que je suis repartie. » Au cœur de sa réflexion sur la performativité du langage se déploie, chez Cassin, la question de l’efficace créatif de la traduction. Cette question peut être mise en rapport avec la notion développée par l’anthropologue Eduardo Viveiros de Castro sous le terme d’« équivocation ». Traduire, dit-il, c’est présumer qu’une équivocation existe toujours ; c’est communiquer par différences, différences dans sa langue — sous le même terme, quantité de choses peuvent revendiquer répondre de ce terme—, différences dans la langue de l’autre, et différences dans l’opération même de traduction— car les deux équivocités ne sont pas superposables. C’est ce qui conduit Viveiros de Castro à dire que « la comparaison est au service de la traduction », et non l’inverse. On ne traduit pas pour comparer, on compare à la seule fin de réussir à traduire. Et on compare des différences, des équivoques, des homonymes. L’équivocation est, en ce sens, le déploiement des versions. Dans une traduction, explique Cassin, non seulement chaque terme et chaque opération syntaxique de la langue source peuvent recevoir plusieurs sens, mais ils vont être traduits, dans la langue d’arrivée par des termes et des opérateurs syntaxiques qui, eux-mêmes, peuvent en avoir plusieurs. La version cultive ces divergences et ces bifurcations, de manière contrôlée— mais comme on dit que marcher est une manière contrôlée de tomber. Cette pratique de l’équivocation comme volonté de maintien de la contradiction est à l’œuvre dans les travaux les plus divers de la philosophe. Je m’attacherai plus particulièrement à la partie plus littéraire de ceux-ci. Au départ de la nouvelle « Les mots de tous les jours et l’orchidée de la nuit », que je mettrai en rapport avec une analyse de la thématique de la transmission, de l’identité et du deuil proposée par le psychanalyste Jean Allouch, je souhaiterais dégager les effets pragmatiques et féconds d’une traduction assumant et cultivant la possibilité de faire tenir des traductions divergentes et contradictoires d’un même énoncé. [less ▲]

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See detailLe rôle du pharmacien comme conseiller en allaitement: perception des étudiants en pharmacie
Noirhomme-Renard, Florence ULg; Osorio Lopez, Rosa Elena; Gosset, Christiane ULg et al

Conference (2012, September 15)

L’OMS et l’UNICEF recommandent un allaitement maternel exclusif durant les six premiers mois de vie et un allaitement maternel complété jusque deux ans. En Belgique, l’avis du Conseil Supérieur de la ... [more ▼]

L’OMS et l’UNICEF recommandent un allaitement maternel exclusif durant les six premiers mois de vie et un allaitement maternel complété jusque deux ans. En Belgique, l’avis du Conseil Supérieur de la Santé relatif à la vente exclusive en pharmacie des préparations pour nourrissons (2008) souligne « l’importance d’un conseil éclairé de la part d’un universitaire sensibilisé et formé aux problématiques de santé et de nutrition ». Le pharmacien, par le contact fréquent qu’il a avec les jeunes parents, peut donc jouer un rôle dans l’allaitement. <br />Cette étude vise à explorer la perception du rôle du pharmacien comme conseiller en allaitement. <br />Cinquante-trois étudiants de dernière année de pharmacie de l’Université de Liège ont complété un questionnaire incluant des questions relatives à leurs perceptions, leur niveau de connaissances et leur expérience en matière d’allaitement, ainsi qu’une échelle d’attitude vis-à-vis de l’alimentation du nourrisson, l’IIFAS (Iowa Infant Feeding Attitude Scale). <br />92% des étudiants pensent que le pharmacien a un rôle (très) important à jouer comme conseiller en allaitement à différents niveaux (recommandations, prise de médicaments, lait artificiel,…), et 77% estiment qu’il peut influencer les décisions prises par les mères, même si l’officine n’apparaît pas toujours comme un lieu propice pour répondre en toute discrétion aux questions posées (41%). <br />Bien que l’expérience professionnelle et personnelle des étudiants soit faible, leur attitude est plutôt favorable à l’allaitement maternel selon l’échelle IIFAS (score de 61.25 ± 7.17). Toutefois, les étudiants évaluent globalement leur niveau de connaissance comme faible à très faible (insuffisance de lait maternel, stimulation de la lactation, utilisation du tire-lait, conservation du lait maternel, stérilisation des biberons,…). <br />Les futurs pharmaciens estiment avoir un rôle de conseiller important en matière d’allaitement, mais il y aurait lieu de renforcer leur curriculum de formation actuel pour leur permettre de remplir adéquatement, en officine, ce rôle de conseiller auprès des parents. [less ▲]

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See detailImprégnation de polymères par voie CO2 supercritique: suivi in situ par microscopie FTIR
Champeau, Mathilde; Thomassin, Jean-Michel ULg; Jérôme, Christine ULg et al

Conference (2012, September 15)

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See detailPassive radar testbed and preliminary experiments in recognition of non-cooperative aircraft intruding into controlled airspace
Pisane, Jonathan ULg; Azarian, Sylvain; Lesturgie, Marc et al

Conference (2012, September 14)

We consider the automatic classification of aircraft observed with a passive radar, thus using illuminators of opportunity. We deployed a testbed and developed classification algorithms. Preliminary tests ... [more ▼]

We consider the automatic classification of aircraft observed with a passive radar, thus using illuminators of opportunity. We deployed a testbed and developed classification algorithms. Preliminary tests show a correct recognition rate of 72%. [less ▲]

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See detailStatus of on-board radiocommunication system of OUFTI-1 nanosatellite as of mid-2012: design, implementation, and tests
Werner, Xavier ULg; Crosset, Nicolas ULg; Broun, Valéry et al

Conference (2012, September 14)

We describe the space-segment component of the radiocommunication system of the OUFTI-1 nanosatellite system, providing D-STAR digital voice & data communication, AX.25 telecommand & telemetry, and OOK ... [more ▼]

We describe the space-segment component of the radiocommunication system of the OUFTI-1 nanosatellite system, providing D-STAR digital voice & data communication, AX.25 telecommand & telemetry, and OOK beacon transmissions. [less ▲]

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See detailAn Unpublished Description of Europe by al-Maqrīzī
Bauden, Frédéric ULg

Conference (2012, September 14)

Detailed reference viewed: 20 (1 ULg)