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

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

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See detailChallenges in teaching architectural morphogenesis
Stals, Adeline ULg; Elsen, Catherine ULg; Jancart, Sylvie ULg et al

in Proceedings of the 3rd International Conference for Design Education Researchers (2015)

Reviewing the successive cognitive, operative and constructive models of architectural morphogenesis through time, the paper first recalls students and teachers in architecture how designers started ... [more ▼]

Reviewing the successive cognitive, operative and constructive models of architectural morphogenesis through time, the paper first recalls students and teachers in architecture how designers started experimenting digital design to reach self-generative, morphogenetic morphologies. Generally referred to as “non-standard architecture”, this innovative morphogenesis favours a new kind of spatial and architectural audacity but also generates three types of rupture: i) a rupture between form and structure; ii) a rupture in terms of process continuity and iii) a rupture in terms of multi-disciplinary collaboration. We consequently have to acknowledge the fact that, at a current state, non-standard architecture still struggles in terms of self-coherency and implementation, leaving a large amount of projects at their virtual, embryonic state especially in pedagogical contexts. We believe the challenge resides in overcoming the overly simplistic and reductionist appeal of purely formal and visual non-standard architecture: these morphologies should, on the contrary, be intrinsically defined by their form and structure relationship. We suggest such reconciliation should occur during the early stages of architectural education. Two experimental instruments, that perhaps constitute interesting renewed pedagogical models, are reported in this paper and we conclude by listing the remaining challenges when it comes to the teaching of architectural morphogenesis. [less ▲]

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See detailDes insectes au menu: apports protéiques et nutriments particuliers?
Caparros Megido, Rudy ULg; Alabi, Taofic ULg; Haubruge, Eric ULg et al

in 56èmes Journées Nationales de Diététique et de Nutrition (2015)

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See detailLa ‘Commendatio animæ’ dans les littératures romanes des origines
Valenti, Gianluca ULg

in Draelants, Isabelle; Balouzat-Loubet, Christelle (Eds.) La formule au Moyen Âge, II / Formulas in Medieval Culture, II. Actes du colloque international / Proceedings of the International Conference (2015)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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See detailIsolated response curves in a base-excited, two-degree-of-freedom, nonlinear system
Noël, Jean-Philippe ULg; Detroux, Thibaut ULg; Masset, Luc ULg et al

in Proceedings of the ASME 2015 International Design Engineering Technical Conferences (2015)

In the present paper, isolated response curves in a nonlinear system consisting of two masses sliding on a horizontal guide are examined. Transverse springs are attached to one mass to provide the ... [more ▼]

In the present paper, isolated response curves in a nonlinear system consisting of two masses sliding on a horizontal guide are examined. Transverse springs are attached to one mass to provide the nonlinear restoring force, and a harmonic motion of the complete system is imposed by prescribing the displacement of their supports. Numerical simulations are carried out to study the conditions of existence of isolated solutions, their bifurcations, their merging with the main response branch and their basins of attraction. This is achieved using tools including nonlinear normal modes, energy balance, harmonic balance-based continuation and bifurcation tracking, and global analysis. [less ▲]

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

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

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

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

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

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

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

in EGU General Assembly Conference Abstracts (2015)

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

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

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See detailChronophage, le design empathique?
Elsen, Catherine ULg

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

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

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

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

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

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

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

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

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See detailEmpirical model of a variable speed vapor injection compressor for air source heat pump dynamic modeling
Dechesne, Bertrand ULg; Bertagnolio, Stéphane

in International conference on compressors and their systems (2015)

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See detailAnalyse des contraintes de développement du fruit de la passion au Burundi. Cas de la commune Matongo province Kayanza
Bashangwa Mpozi, Bosco ULg; Ndimanya, Patrice; Lebailly, Philippe ULg

in Brot, Jean (Ed.) Les Cahiers de l'Association Tiers-Monde n° 30-2015 : XXXes Journées sur le Développement "Ethique, entrepreneuriat et développement" (2015)

Face à une situation de manque de terre et de pression démographique sans aucune amélioration des techniques de production, le choix des cultures à pratiquer permettant de rentabiliser la petite surface ... [more ▼]

Face à une situation de manque de terre et de pression démographique sans aucune amélioration des techniques de production, le choix des cultures à pratiquer permettant de rentabiliser la petite surface agricole disponible devient donc crucial pour les producteurs de Matongo en particulier et du Burundi en général. C'est dans ce contexte que le fruit de la passion est intégré dans les systèmes de production de certains ménages de Matongo dans le but d'améliorer leurs conditions de vie grâce à un supplément de revenu. Vu l'état actuel de la vulnérabilité de l'agriculture et de l'économie dans cette commune, il s'avère important de connaître les contraintes rencontrées par les adoptants du fruit de la passion en tenant compte de l'environnement dans lequel se pratique sa culture. [less ▲]

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See detailAldebert et Clément. Deux évêques marginaux sacrifiés à la réforme de l’Église ?
Close, Florence ULg

in Depreux, Philippe; Le Jan, Régine; Bougard, François (Eds.) Compétition et sacré au haut moyen âge : entre médiation et exclusion (2015)

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

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

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

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

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

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

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

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

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See detailValidation and test cases for a free surface PSH model
Goffin, Louis ULg; Erpicum, Sébastien ULg; Dewals, Benjamin ULg et al

in Advances in hydroinformatics - Simhydro 2014 (2015)

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See detailSensitivity analysis for climate change impacts, adaptation and mitigation projection with pasture models
Bellocchi, G.; Ehrhardt, F.; Soussana, J. F. et al

in Climate-Smart Agriculture 2015 (2015)

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

in Les tiers (2015)

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

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

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See detailThree-node zero-thickness hydro-mechanical interface finite element for geotechnical applications
Cerfontaine, Benjamin ULg; Dieudonné, Anne-Catherine ULg; Radu, Jean-Pol ULg et al

in Proceedings of coupled 2015 (2015)

The paper briefly presents the main features of a hydro-mechanical coupled finite element of interface. The mechanical problems takes into account the the detection of contact, the development of a ... [more ▼]

The paper briefly presents the main features of a hydro-mechanical coupled finite element of interface. The mechanical problems takes into account the the detection of contact, the development of a contact pressure, the shearing and the relative sliding between two solids. A three-node discretisation of hydraulic problem allows the representation of fluid flows across and in the plane of the interface. The method involves a drop of pressure between each side of the interface and the inner medium. The hydro-mechanical couplings come from 1) the definition of the total pressure acting on each side of the interface according to the Terzaghi’s principle; 2) the dependence of the permeability on the gap variation; 3) the variation of the fluid mass stored within the gap. [less ▲]

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See detailHow to use ICT to help students to gain in confidence and efficiency in an algorithmic and computer programming course ?
Colaux, Catherine ULg; Soyeurt, Hélène ULg

in INTED2015 Proceedings (2015)

Algorithmic and computer programming in the bachelor’s degree is a course that demands a large involvement of students in performing non-standard exercises. This practical aspect is incompatible with ... [more ▼]

Algorithmic and computer programming in the bachelor’s degree is a course that demands a large involvement of students in performing non-standard exercises. This practical aspect is incompatible with classical ex cathedra course. It is the reason why we implement a blended learning approach much more responsive to students in a bachelor class of Bio Engineering at the Gembloux Agro Bio Tech Faculty (University of Liege, Belgium). This course alternates theoretical classes, take-home lessons with the help of online pedagogical resources and video and debriefing sessions where students have the possibility to benefit from teacher’ support. In doing so, the students are better prepared for the examination. They also gain in confidence and motivation. The teacher no longer simply transmits the knowledge but assists the students in their reflection process and their mastering of programming tools [less ▲]

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See detailLes nouveaux outils de diagnostic et de pronostic de la myopathie atypique
Habyarimana, Jean ULg; BOEMER, François ULg; Amory, Hélène ULg et al

in Proceeding de la 41ème Journée de la Recherche équine (2015)

In equines, ingestion of hypoglycin A, a toxin produced in the seeds (samaras) of sycamore maple (Acer pseudoplatanus) tree alters the energetic metabolism of muscle cells and results in atypical myopathy ... [more ▼]

In equines, ingestion of hypoglycin A, a toxin produced in the seeds (samaras) of sycamore maple (Acer pseudoplatanus) tree alters the energetic metabolism of muscle cells and results in atypical myopathy (AM). This alterations leads to a characteristic biochemical profile of acylcarnitines (AC) that enables to confirm the diagnosis of AM. This study aims at validating a methodology for the dosage of hypoglycin A in vegetal extracts but also in blood. In addition, the biochemical profile in AC has been determined in AM cases (5 survivors and 13 deceased) and in 5 horses suffering from exercise-induced myopathy. The AC profiles of these horses have been compared to the one of healthy horses (n = 35). This study showed that hypoglycin A was present in seeds and spring seedlings of sycamore and also in blood of AM cases horses. In addition, the establishment of AC profile contributes to the diagnostic and helps to assess the prognosis of AM cases. [less ▲]

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See detailLes frontières du droit à l'épreuve des films de mafias
Thirion, Nicolas ULg; Pasteger, David ULg

in Flores-Lonjou, Magalie (Ed.) Frontière(s) au cinéma - Actes des septièmes rencontres "Droit et cinéma" (2015)

demander dans quelle mesure l’injonction du brigand qui exige « la bourse ou la vie ! » peut être comparée à la norme de comportement édictée par un Etat sous la forme d’une loi, c’est poser la ... [more ▼]

demander dans quelle mesure l’injonction du brigand qui exige « la bourse ou la vie ! » peut être comparée à la norme de comportement édictée par un Etat sous la forme d’une loi, c’est poser la sempiternelle question de la frontière qui sépare le droit du non-droit, tout au moins dans une perspective juspositiviste, en tant que cette école de théorie du droit refuse de définir le phénomène juridique en se référant à une valeur ou un ensemble de valeurs. La frontière du droit et du non-droit est en effet particulièrement difficile à tracer, nonobstant plusieurs siècles de discussions philosophiques à ce sujet. Lorsque, fatigué de parcourir les chemins, le brigand décide de s’installer en ville pour s’y adonner au racket des commerçants du quartier et qu’il s’adjoint ensuite le concours d’autres bandits, c’est un gang de malfaiteurs qui voit le jour. Si, ultérieurement, ce gang se concerte avec d’autres bandes de truands pour s’épauler mutuellement dans les exactions auxquelles ils se livrent sur leurs territoires respectifs, il prend alors la forme d’une organisation criminelle ou, au sens large du terme, d’une « mafia ». Le cinéma de Francis Ford Coppola, Martin Scorsese, Brian De Palma, Sergio Leone ou bien encore Matteo Garrone, entre autres, dépeint, souvent avec réalisme, la genèse et le fonctionnement de telles organisations criminelles. La communication a proposé, au moyen d’illustrations tirées des films de ces grands cinéastes, une analyse de microscopie juridique du crime organisé. Une description serrée de la particule élémentaire du phénomène juridique, identifiée par Lucien François dans son ouvrage de théorie du droit Le cap des Tempêtes sous l’appellation de « jurème », met en lumière une indéniable proximité entre les techniques de pouvoir utilisées respectivement par le brigand isolé, la bande organisée et l’Etat souverain. En remontant ensuite vers la structure plus complexe d’un système étatique, on se demandera si, en fin de compte, dans la vision juspositiviste poussée au bout de sa logique par Lucien François, l’Etat ne pourrait être réduit, d’un point de vue ontologique, à un pouvoir de fait comparable, par les techniques de contrainte qu’il exerce sur ses sujets, à une organisation criminelle – abstraction faite des valeurs promues ou poursuivies par tel ou tel appareil étatique. [less ▲]

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See detailNavigating the uncertain seas of controversies – A pedagogical wind rose
Verpoorten, Dominique ULg

in Melard, François; Stassart, Pierre M (Eds.) Proceedings of the International Interdisciplinary Working Conference "Teaching complexity and uncertainty on Environmental Issues - Practices, Theories and Products" (2014, December 23)

The Arlon conference brought together lecturers willing to share and discuss aspects of their practice of “controversies”, seen as a teaching/learning method suited to the contextual needs and demands of ... [more ▼]

The Arlon conference brought together lecturers willing to share and discuss aspects of their practice of “controversies”, seen as a teaching/learning method suited to the contextual needs and demands of higher education environmental studies. The paper contributes to this joint reflective effort by providing conceptual tools helping to interpret the practice, to question what it puts at stake and to detect, from a pedagogical viewpoint, key issues and upcoming questions. The contribution falls within the Conference's aim n°2: “share theories or conceptual propositions that make it possible to equip the teaching approaches and to give them theoretical and methodological foundations” (Program Arlon Conference 2014, p. 2). The article takes a traditional stance, looking at the contributions to the conference through “constructive alignment”(Biggs, 1996), a basic principle meant to secure the pedagogical validity of any given learning situation by establishing a triple consistency (Kovertaite & Leclercq, 2006; Leclercq, 1995; Petit, Castaigne, & Verpoorten, 2007; Tyler, 1949) between objectives, methods and assessment. [less ▲]

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See detailProgramme de revalidation multidisciplinaire post-cancer du sein : analyse des bénéfices éventuels sur la fonction physique et la qualité de vie
LECLERC, Anne-France ULg; FOIDART-DESSALLE, Marguerite ULg; COUCKE, Philippe ULg et al

in AFPSA - 8e congrès francophone, Psychologie de la Santé - Evolutions sociales, innovations & politiques - Résumé des communications (2014, December 16)

Introduction : Le cancer du sein ainsi que ses traitements sont à l'origine de nombreux effets secondaires indésirables. L'objectif de l'étude est de déterminer les bénéfices éventuels, tant sur le plan ... [more ▼]

Introduction : Le cancer du sein ainsi que ses traitements sont à l'origine de nombreux effets secondaires indésirables. L'objectif de l'étude est de déterminer les bénéfices éventuels, tant sur le plan physique que psychologique, d’un programme de revalidation multidisciplinaire chez des femmes ayant été traitées pour un cancer du sein. Méthodologie : 122 patientes ont été recrutées, 61 faisant partie du groupe contrôle et 61 du groupe traité. Celui-ci a bénéficié d’une revalidation de trois mois comprenant un entraînement physique supervisé et diverses sessions psycho-éducatives. Les évaluations, effectuées avant et après la prise en charge, ont inclus des mesures anthropométriques et de composition corporelle, une évaluation des capacités fonctionnelles et différents questionnaires. Résultats : Au terme des trois mois, l’état de santé (qualité de vie), le rôle fonctionnel, l’état émotionnel et les fonctions physiques, cognitives et sociales s’améliorent significativement au sein du groupe traité. Cette observation s’applique également aux symptômes de fatigue, d'insomnie, de douleur, de dyspnée, de perte d'appétit, d’anxiété et de dépression ainsi qu'aux paramètres physiques obtenus par l'intermédiaire des évaluations fonctionnelles. Au sein du groupe contrôle, ces améliorations n’apparaissent pas et une augmentation significative de l'indice de masse corporelle et du pourcentage de graisse corporelle est observée. Conclusion : Cette étude préliminaire montre ainsi la faisabilité et les effets bénéfiques d’une prise en charge multidisciplinaire chez des femmes au terme de leurs traitements pour le cancer du sein. [less ▲]

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See detailEnvironmental changes in developing countries: from moving to trapped populations
Ozer, Pierre ULg; De Longueville, Florence ULg; Zickgraf, Caroline ULg et al

in Young Researchers Overseas' Day - Book of Abstracts (2014, December 16)

Over the last decades, environmental changes driven and/or compounded by population pressures and climate change have dramatically impacted human mobility, including population displacements or migration ... [more ▼]

Over the last decades, environmental changes driven and/or compounded by population pressures and climate change have dramatically impacted human mobility, including population displacements or migration, especially in developing countries. Slow onset degradation processes (aridification, desertification, wind and water erosion, deforestation, shoreline erosion, etc.) and sudden disasters (extreme climate events such as floods, droughts, storms, heat waves, etc.) have intensified since the 1950s in terms of frequency, intensity and duration, as well as in their socio-economic consequences. In the absence of an international objective to reduce greenhouse gas emissions, global warming and its wide range of negative impacts are not likely to be contained in the future [...] [less ▲]

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See detailDevelopment and validation of a 3D kinematic-based method for determining gait events during overground walking
Boutaayamou, Mohamed ULg; Schwartz, Cédric ULg; Denoël, Vincent ULg et al

in IEEE International Conference on 3D Imaging (IC3D) (2014, December 09)

A new signal processing algorithm is developed for quantifying heel strike (HS) and toe-off (TO) event times solely from measured heel and toe coordinates during overground walking. It is based on a rough ... [more ▼]

A new signal processing algorithm is developed for quantifying heel strike (HS) and toe-off (TO) event times solely from measured heel and toe coordinates during overground walking. It is based on a rough estimation of relevant local 3D position signals. An original piecewise linear fitting method is applied to these local signals to accurately identify HS and TO times without the need of using arbitrary experimental coefficients. We validated the proposed method with nine healthy subjects and a total of 322 trials. The extracted temporal gait events were compared to reference data obtained from a force plate. HS and TO times were identified with a temporal accuracy ± precision of 0.3 ms ± 7.1 ms, and –2.8 ms ± 7.2 ms in comparison with reference data defined with a force threshold of 10 N. This algorithm improves the accuracy of the HS and TO detection. Furthermore, it can be used to perform stride-by-stride analysis during overground walking with only recorded heel and toe coordinates. [less ▲]

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See detailEvidence based medicine - Tendon and platelet-rich plasma (PRP)
Kaux, Jean-François ULg

in Annual Congress RSBPRM (2014, December 06)

Platelets have known roles in coagulation, inflammatory processes, and immunity modulation; they also have ‘‘restorative’’ properties. Indeed, during degranulation, platelets release different cytokines ... [more ▼]

Platelets have known roles in coagulation, inflammatory processes, and immunity modulation; they also have ‘‘restorative’’ properties. Indeed, during degranulation, platelets release different cytokines and growth factors (VEGF, PDGF, TGF-B, IGF-I, and HGF) that promote angiogenesis, tissue remodeling (bone, skin, muscle, tendon, etc.), and wound healing. PRP is obtained by centrifuging autologous blood to obtain a concentration of platelets, usually between 3 and 10 times that of whole blood, depending on the isolation method. For this reason, different PRP preparation techniques cannot provide a consistently identical final product, but there is currently no international consensus on this issue. Overall, PRP could be an attractive therapeutic option for treating chronic musculoskeletal conditions, such as tendinopathy or plantar fasciitis. Tendons do not have a high metabolic index. Growth factors released by platelets promote tenocyte proliferation, stimulate angiogenesis and have analgesic properties. Thus it could stimulate and accelerate tissue regeneration in animal models. In addition to PRP, optimal tissue quality requires the application of mechanical loads. PRP should be considered for chronic tendinopathies. Indeed, the goal is to initiate an acute inflammatory reaction that quickly moves on to the proliferative phase that involves collagen synthesis. The latter is necessary for appropriate tendon healing. PRP should therefore not be used for acute tendinitis or tenosynovitis. Even if most of the preclinical studies showed that PRP stimulates the tendon healing process, clinical series remain more controversial. Based on literature and our clinical experience, we suggest some ideas for improving this treatment. Optimization of the technique for collecting the PRP is paramount. Different risk factors must be corrected before infiltration, and chronic tendinopathies must be carefully selected. Finally, post-infiltration rehabilitation remains absolutely necessary. Standardisation of the use of PRP remains necessary in order to optimise the results. [less ▲]

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See detailConverging to and escaping from the global equilibrium: Isostables and optimal control
Mauroy, Alexandre ULg

in Proceedings of the 53rd IEEE Conference on Decision and Control (2014, December)

This paper studies the optimal control of trajectories converging to or escaping from a stable equilibrium. The control duration is assumed to be short. When the control is turned off, the trajectories ... [more ▼]

This paper studies the optimal control of trajectories converging to or escaping from a stable equilibrium. The control duration is assumed to be short. When the control is turned off, the trajectories have not reached the target and they subsequently evolve according to the free motion dynamics. In this context, we show that the problem can be formulated as a finite-horizon optimal control problem which relies on the notion of isostables. For linear and nonlinear systems, we solve this problem using Pontryagin’s maximum principle and we study the relationship between the optimal solutions and the geometry of the isostables. Finally, optimal strategies for choosing the magnitude and duration of the control are considered. [less ▲]

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See detailA physically motivated pixel-based model for background subtraction in 3D images
Braham, Marc ULg; Lejeune, Antoine ULg; Van Droogenbroeck, Marc ULg

in International Conference on 3D Imaging (IC3D) (2014, December)

This paper proposes a new pixel-based background subtraction technique, applicable to range images, to detect motion. Our method exploits the physical meaning of depth information, which leads to an ... [more ▼]

This paper proposes a new pixel-based background subtraction technique, applicable to range images, to detect motion. Our method exploits the physical meaning of depth information, which leads to an improved background/foreground segmentation and the instantaneous suppression of ghosts that would appear on color images. In particular, our technique considers certain characteristics of depth measurements, such as failures for certain pixels or the non-uniformity of the spatial distribution of noise in range images, to build an improved pixel-based background model. Experiments show that incorporating specificities related to depth measurements allows us to propose a method whose performance is increased with respect to other state-of-the-art methods. [less ▲]

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See detailOn Projection-Based Model Reduction of Biochemical Networks Part I: The Deterministic Case
Sootla, Aivar ULg; Anderson, James

in Proceedings of the 53rd IEEE Conference on Decision and Control (2014, December)

This paper addresses the problem of model reduction for dynamical system models that describe biochemical reaction networks. Inherent in such models are properties such as stability, positivity and ... [more ▼]

This paper addresses the problem of model reduction for dynamical system models that describe biochemical reaction networks. Inherent in such models are properties such as stability, positivity and network structure. Ideally these properties should be preserved by model reduction procedures, although traditional projection based approaches struggle to do this. We propose a projection based model reduction algorithm which uses generalised block diagonal Gramians to preserve structure and positivity. Two algorithms are presented, one provides more accurate reduced order models, the second provides easier to simulate reduced order models. [less ▲]

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See detailOn Projection-Based Model Reduction of Biochemical Networks Part II: The Stochastic Case
Sootla, Aivar ULg; Anderson, James

in Proceedings of the 53rd IEEE Conference on Decision and Control (2014, December)

In this paper, we consider the problem of model order reduction of stochastic biochemical networks. In particular, we reduce the order of (the number of equations in) the Linear Noise Approximation of the ... [more ▼]

In this paper, we consider the problem of model order reduction of stochastic biochemical networks. In particular, we reduce the order of (the number of equations in) the Linear Noise Approximation of the Chemical Master Equation, which is often used to describe biochemical networks. In contrast to other biochemical network reduction methods, the presented one is projection-based. Projection-based methods are powerful tools, but the cost of their use is the loss of physical interpretation of the nodes in the network. In order alleviate this drawback, we employ structured projectors, which means that some nodes in the network will keep their physical interpretation. For many models in engineering, finding structured projectors is not always feasible; however, in the context of biochemical networks it is much more likely as the networks are often (almost) monotonic. To summarise, the method can serve as a trade-off between approximation quality and physical interpretation, which is illustrated on numerical examples. [less ▲]

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See detailIgE antibodies and FceRI are critical components of protective type 2 immunity against honeybee and russell's viper venom in mice
Starkl, Philipp; Marichal, Thomas ULg; Reber, Laurent L. et al

in Proceedings of the Type 2 Cell Symposium - Brugge (2014, December)

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See detailEvaluation of pairwise calibration techniques for range cameras and their ability to detect a misalignment
Lejeune, Antoine ULg; Grogna, David ULg; Van Droogenbroeck, Marc ULg et al

in International Conference on 3D Imaging (IC3D) (2014, December)

Many applications require the use of multiple cameras to cover a larger volume. In this paper, we evaluate several pair-wise calibration techniques dedicated to range cameras. We compare the precision of ... [more ▼]

Many applications require the use of multiple cameras to cover a larger volume. In this paper, we evaluate several pair-wise calibration techniques dedicated to range cameras. We compare the precision of a self-calibration technique based on the movement in front of the cameras to object based calibration. While the self-calibration method is less precise than its counterparts, it yields a first estimation of the transformation between the cameras and permits to detect when the cameras become mis-aligned. Therefore it is useful in a practical situations. [less ▲]

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See detailGestes professionnels, propriété d’accompagnement, dispositif de validation des acquis : Trois exemples de couplage entre un dispositif de recherche et un dispositif de formation Symposium court proposé par les universités de Lille 1 et de Liège
Faulx, Daniel ULg; Leclercq, Gilles; Vermelle, Marie-Christine

in Actes du 28ème Colloque de Pédagogie Universitaire (2014, December)

Ce symposium réunit des chercheurs et des praticiens d’une université belge et d’une université française autour du thème : « quelles recherches sur/pour les enseignements » ? Notre proposition de ... [more ▼]

Ce symposium réunit des chercheurs et des praticiens d’une université belge et d’une université française autour du thème : « quelles recherches sur/pour les enseignements » ? Notre proposition de symposium court s’inscrit dans la continuité des recherches menées dans le pôle Codeus du laboratoire Trigone Cirel[1] et de l’Unité d’Apprentissage et de Formation continue des Adultes de l’Université de Liège (UAFA-ULg)[2]. Nous l’avons intitulé : gestes professionnels, propriété d’accompagnement et dispositif de validation des acquis ; trois exemples de couplage entre un dispositif de recherche et un dispositif de formation. Dans les trois contributions que nous proposons, il sera en effet question de l’association entre une activité de recherche qui se nourrit d’une activité de formation et d’une activité de formation qui exploite l’activité de recherche. Cela nous permettra de rendre compte de travaux menés en cours de formation à des échelles différentes : - à l’échelle du geste singulier de l’enseignant pour la première contribution ; - à l’échelle de la propriété d’accompagnement pour la deuxième ; - à l’échelle d’un dispositif de validation des acquis de l’expérience pour la troisième. Nous commencerons donc ce symposium en ciblant une préoccupation d’ordre micro-pédagogique pour en arriver, par la suite, à des préoccupations plus englobantes. Cela nous permettra de questionner, de différents points de vue, les modalités de collaboration entre dispositifs de formation et dispositifs de recherche, ce qui nous conduira à engager un débat autour des questions suivantes : -.comment les dispositifs de recherche mis en œuvre s’emparent-t-il des dispositifs de formation ? - comment le matériau de recherche est-il collecté, choisi, interprété, analysé, discuté ? - quels sont les cadres de références théoriques et méthodologiques mobilisés, à quoi servent-ils ? - comment l’activité de recherche est-elle distribuée entre les acteurs ? [less ▲]

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See detailMotor control and low back pain in elite soccer players
GROSDENT, Stéphanie ULg; Demoulin, Christophe ULg; Namurois, Guy et al

in Abstract Book of 7th Biennial Congress of The Belgian Back Society (2014, December)

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See detailPathology. What is found in patients that are referred for further investigations ?
TOMASELLA, Marco ULg

in Abstract Book Neck complaints. A 360° view. (2014, November 29)

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See detailEstimating Ventricular Stroke Work from Aortic Pressure Waveform
Kamoi, Shun; Pretty, Christopher; Chiew, Yeong Shiong et al

in 13th Belgian Day on Biomedical Engineering (2014, November 28)

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See detailTracking stressed blood volume during vascular filling experiments
Pironet, Antoine ULg; Dauby, Pierre ULg; Chase, J. Geoffrey et al

in 13th Belgian Day on Biomedical Engineering (2014, November 28)

A three-chamber cardiovascular system model is used to compute stressed blood volume from filling experiments. As previously observed, stressed blood volume is a good predictor of the change in cardiac ... [more ▼]

A three-chamber cardiovascular system model is used to compute stressed blood volume from filling experiments. As previously observed, stressed blood volume is a good predictor of the change in cardiac output after fluid infusion. [less ▲]

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See detailIsocinétisme et tendinopathies
Croisier, Jean-Louis ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Abstract Book des XVIèmes Rencontres isocinétiques de Médimex (2014, November 28)

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See detailEvaluation de la fatigue musculaire des membres supérieurs
Forthomme, Bénédicte ULg; Kaux, Jean-François ULg; Crielaard, Jean-Michel ULg et al

in Abstract Book des XVIèmes Rencontres isocinétiques de Médimex (2014, November 28)

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See detailIn vitro hemocompatibility assessment of Near-IR-Emitting Ag2S Quantum Dots (QD)
Grandfils, Christian ULg; Hocaoglu, I.; Demir, F. et al

in Proceeding of the Nanobiotechnology International Workshop (2014, November 26)

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See detailDesign and implementation of a T impedance matching network for the radiocommunication subsystem aboard the OUFTI-1 nanosatellite
Boutaayamou, Mohamed ULg; Crosset, Nicolas ULg; Werner, Xavier ULg et al

in Proceedings of the URSI Forum 2014 (2014, November 18)

We describe how we handled an unexpected impedance matching issue on the receiver side (at UHF) of the radiocommunication system aboard the OUFTI-1 nanosatellite of the University of Liège. Our approach ... [more ▼]

We describe how we handled an unexpected impedance matching issue on the receiver side (at UHF) of the radiocommunication system aboard the OUFTI-1 nanosatellite of the University of Liège. Our approach relied on a combination of novel analytical developments combined with experimentation. [less ▲]

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See detailDISTRIBUTION OF CAPSULAR POLYSACCHARIDES OF STREPTOCOCCUS AGALACTIAE STRAINS FROM URUGUAY. MULTIPLEX PCR VERSUS CONVENTIONAL CAPSULAR SEROTYPING
Rodriguez Cuns, Grisel ULg; BOREUX, Raphaël ULg; ADAMS, Pauline et al

in XIX Lancefield International Symposium on Streptococci and Streptococcal Diseases, Program and Abstract book (2014, November 11)

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See detailComparison of Life cycle Impact Assessment methods in a case of crop in Northern France
Merchan, Angel ULg; Combelles, Agathe

in Proceeding of the 4th international conference on Life Cycle approaches (2014, November 05)

Life Cycle Assessment (LCA) applied to the agri-food sector has been rapidly developing in the last years, however initiatives like Agribalyse® have shown the lack of consensus making on the impact ... [more ▼]

Life Cycle Assessment (LCA) applied to the agri-food sector has been rapidly developing in the last years, however initiatives like Agribalyse® have shown the lack of consensus making on the impact assessment phase (choice of characterization methods). A review of the proceedings of the 8th International Conference on Life Cycle Assessment in the Agri-Food Sector (LCAFood 2012) revealed the absence of prevalence of a life cycle impact assessment (LCIA) method, where several calculation methods and variations of them are used. [less ▲]

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See detailIncorporate agroecology within research : The on-going story of four young researchers
Hatt, Séverin ULg; Artru, Sidonie ULg; Boeraeve, Fanny ULg et al

in Broadening Scopes on Food, Squeezing Urban Hinterlands (2014, November 04)

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See detailPollution and Siltation of Rivers in the Western Highlands of Cameroon: a Consequence of Farmland Erosion by Runoff
Djoukeng, Henri Grisseur ULg; Tankou, Christopher Mubeteneh; Degré, Aurore ULg

in ASABE, (Ed.) 21st Century Watershed Technology Conference and Workshop: Improving water quality and environment: Hamilton 3-7 November 2014 (2014, November 03)

In the western highlands agro-ecological zone of Cameroon, rivers are constantly silted and polluted with waste from cultivated plots. This study investigated on the characterization and quantification of ... [more ▼]

In the western highlands agro-ecological zone of Cameroon, rivers are constantly silted and polluted with waste from cultivated plots. This study investigated on the characterization and quantification of sediment from plots cultivated in the watershed Méloh; among these sediment we highlighted soil, plant residues, chemical packages and plastic casing used for irrigation. In a natural rocky bottom wells, we performed for a period of three years the collection, differentiation and measurement of trapped sediment in the cultivated part of river that runs through the watershed. The total cultivated area is about 7.5 ha; slopes are operated between 14% and 17%. During the years 2012 and 2013 where farmers practiced both flatbed and ridging along the steepest slope, two methods of land preparation that do not contribute positively to water conservation, we collected an average of 10.429 t.ha-1. During the 2013 crop year, with the participation of curious farmers we experimented tied ridging in a potato; this technique was adopted on 75% of plots in 2014 and we collected 3.586 t.ha-1, a decrease of 65.61% compared to the average of previous years. This study showed that traditional agricultural practices are a cause of siltation and pollution of the Méloh river, thus almost all rivers in the study area by what the topography is similar and agriculture the main activity. Tied ridging significantly reduced siltation of rivers; it is thus an effective technique to fight against water pollution in mountain agriculture. [less ▲]

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See detailMagnetic fields in O stars
Nazé, Yaël ULg

in Mathys, Gauthier; Griffin, E.; Kochukhov, O. (Eds.) et al Putting A Stars into Context: Evolution, Environment, and Related Stars (2014, November 01)

During the last decade, large-scale, organized (generally dipolar) magnetic fields with strengths between 0.1 and 20 kG have been detected in dozens of OB stars. This contribution reviews the impact of ... [more ▼]

During the last decade, large-scale, organized (generally dipolar) magnetic fields with strengths between 0.1 and 20 kG have been detected in dozens of OB stars. This contribution reviews the impact of such fields on the stellar winds of O-type stars, with emphasis on variability and X-ray emission. [less ▲]

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See detailSearch for Satellite Effects on Saturn's Auroras in Cassini UVIS Data
Pryor, Wayne R.; Esposito, Larry; Jouchoux, Alain et al

in AAS/Division for Planetary Sciences Meeting Abstracts (2014, November 01)

The Cassini UVIS has been obtaining Saturn auroral images since 2004. We have previously reported instances when the main auroral oval brightened briefly in a quasi-periodic fashion near the sub-Mimas ... [more ▼]

The Cassini UVIS has been obtaining Saturn auroral images since 2004. We have previously reported instances when the main auroral oval brightened briefly in a quasi-periodic fashion near the sub-Mimas longitude. Here we examine the large set of auroral images obtained from close range and high sub-spacecraft latitudes. We will plot the brightness of the individual auroral measurements as a function of local time, and as a function of the location of Mimas and other moons to test for any correlations. [less ▲]

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See detailResponse of Microchannel Plate (MCP) Detectors to MeV Electrons: Beamline tests in support of Juno, JUICE, and Europa Mission UVS instrument investigations
Retherford, Kurt D.; Davis, Michael W.; Greathouse, Thomas K. et al

in AAS/Division for Planetary Sciences Meeting Abstracts (2014, November 01)

The response of Microchannel Plate (MCP) detectors to far-UV photons is excellent. MCPs provide a photon-counting capability that is especially useful for high-quality stellar and solar occultation ... [more ▼]

The response of Microchannel Plate (MCP) detectors to far-UV photons is excellent. MCPs provide a photon-counting capability that is especially useful for high-quality stellar and solar occultation measurements. However, use of MCPs within the Jovian magnetosphere for UV measurements is hampered by their ~30% detection efficiency to energetic electrons and ~1% efficiency to γ-rays. High-Z shielding stops energetic electrons, but creates numerous secondary particles; γ-rays are the most important of these for MCPs. These detected particles are a noise background to the measured far-UV photon signal, and at particularly intense times their combination can approach detector global count rates of ~500 kHz when operating at nominal HV levels. To address the challenges presented by the intense radiation environment experienced during Europa encounters we performed electron beam radiation testing of the Juno-UVS flight spare cross-delay line (XDL) MCP in June 2012 at MIT’s High Voltage Research Laboratory (HVRL), and again in Nov. 2013 adding an atomic-layer deposition (ALD) coated test-MCP, to measure the detection efficiency and pulse height distribution characteristics for energetic electrons and γ-rays. A key result from this UVS-dedicated SwRI IR&D project is a detailed characterization of our XDL’s response to both particles (electrons and γ-rays) and photons as a function of HV level. These results provide confidence that good science data quality is achievable when operating at Europa closest approach and/or in orbit. Comparisons with in-flight data obtained with New Horizons Pluto-Alice MeV electron response measurements at Jupiter (Steffl et al., JGR, 2012), LRO-LAMP electron and proton event data, and Juno-UVS Earth proton-belt flyby data, and recent bench tests with radioactive sources at Sensor Sciences increase this confidence. We present a description of the test setup, quantitative results, and several lessons learned to help inform future beamline test experiments dedicated to instrument developments for NASA's next large mission to Europa and ESA's JUICE mission to Ganymede. [less ▲]

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See detailJupiter’s polar auroral dynamics
Grodent, Denis ULg; Bonfond, Bertrand ULg

in AAS/Division for Planetary Sciences Meeting Abstracts (2014, November 01)

The morphology of Jupiter’s ultraviolet aurora is commonly described in terms of components located inside (poleward of) or outside (equatorward of) the main oval emission. These components may also be ... [more ▼]

The morphology of Jupiter’s ultraviolet aurora is commonly described in terms of components located inside (poleward of) or outside (equatorward of) the main oval emission. These components may also be discriminated by their temporal behaviour, where the narrowest parts of the main “oval” remain relatively stable over time periods of several hours, and the satellite footprints show large variability with timescales of minutes. Inside the main emission the so-called polar aurora, presumably corresponding to the polar cap mixing open and closed magnetic field lines, is characterized by rapid motions taking the form of swirls, giving rise to the “swirl region” and by intermittent brightenings in the “active region”. Coarse analysis of these motions suggests that they are too fast to respond to an equatorial magnetospheric forcing. Instead, they appear to be related to processes taking place in or above the ionosphere where distances travelled by plasma waves match those of the subtended auroral emission. Here, we present a preliminary improved analysis of the auroral motion in the polar region based on the application of an iterative “Advection Corrected Correlation Image Velocimetry” (ACCIV) method (Asay-Davis et al., 2009). This method allows one to build velocity fields quantifying local and overall auroral motions which may then be used to constrain their origin. [less ▲]

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See detailMASH2-0 Electromechanical Sigma-Delta Modulator for capacitive MEMS sensors using dual quantization method
Almutairi, B; Alsheri, A; Kraft, Michael ULg

in Proceedings of "IEEE Sensors Conference : Espagne - Novembre 2014" (2014, November)

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See detailRécit de vie d’une sainte en devenir dans le sillage des Pères de la Foi : le portrait de Julie Billiart, fondatrice des Sœurs de Notre-Dame, par sa compagne, Françoise Blin de Bourdon
Henneau, Marie-Elisabeth ULg

in Mostaccio, Silvia; Caffiero, Marina; de Maeyer, Jan (Eds.) et al Échelles de pouvoir, rapports de genre, Femmes, jésuites et modèle ignatien dans le long XIXe siècle (2014, November)

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See detailWireless time synchronization of a collaborative brain-computer-inteface using Bluetooth low energy
Ghoshdastider, U; Viga, R; Kraft, Michael ULg

in Proceedings of "IEEE Sensor Conference : Espagne - Novembre 2014" (2014, November)

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See detailCMOS potentiostat and sensor with multilayer membrane for wide range measurements of glucos concentrations
Mross, S; Fürst, P; Pierrat, S et al

in Proceedings of "IEEE Sensor Conference : Espagne - Novembre 2014" (2014, November)

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See detailPhotoelectric Conversion Effect in Non-Photovoltaic Photorefractive Materials
Frejlich, Jaime; De Oliveira, Ivan; Carvalho, Jesiel et al

in Latin America Optics & Photonics Conference (LAOP) - OSA Technical Digest (online) (2014, November)

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See detailEvalulating the additional value of the illness perceptions questionnaire in patients with chronic low back pain
Leysen, M; Nijs, J; Van Wilgen, CP et al

in Abstract Book of 7th Biennial Congress of The Belgian Back Society (2014, November)

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See detailTwo-degree of freedom capacitive MEMS velocity sensor with two coupled electrically isolated mass-spring-damper systems
Alshehri, A; Almutairi, B; Gardonio, P et al

in Proceedings of "IEEE Sensor Conference : Espagne - Novembre 2014" (2014, November)

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See detailGBS and antibiotic resistance: threat to therapy
MELIN, Pierrette ULg

in XIX Lancefield International Symposium on Streptococci and Streptococcal Diseases, Program and Abstract book (2014, November)

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See detailA preliminary analysis of the quality of pediatric medicines supplied by private wholesalers in Kinshasa, DRC
Schiavetti, Benedetta; Ngeleka Mutolo, Daniel; Marini Djang'Eing'A, Roland ULg et al

in Abstract Book, Supplement to the American Journal of Tropical Medicine and Hygiene (2014, November)

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See detailANÁLISE DE REQUISITOS PARA AVALIAÇÃO DE QUALIDADE GEOMÉTRICA NO REGISTRO DO PATRIMÔNIO ARQUITETÔNICO COM TÉCNICAS FOTOGRAMÉTRICAS
Campos, Mariana Batista; De Moraes, Marcus Antunes; Tommaselli, Antonio Maria Garcia et al

in Nome, Carlos Alejandro; de Magalhães Cordeiro, Aristóteles Lobo; Rocha, Germana Costa (Eds.) Anais ARQDOC 2014 INFORMAÇÃO E CONHECIMENTO PARA PRESERVAÇÃO (2014, November)

The documentation of the cultural heritage is a concern since 1885, with the first application of photogrammetry techniques by Albrecht Meydenbauer. In 1987, The International Council of Monuments and ... [more ▼]

The documentation of the cultural heritage is a concern since 1885, with the first application of photogrammetry techniques by Albrecht Meydenbauer. In 1987, The International Council of Monuments and sites has recommended the creation of photogrammetry records of monuments and archaeological sites. Since then, the close range photogrammetry has been the most used technique to survey cultural heritage. This technique has become faster and more accessible with the advancement of digital cameras. Despite the recommendations of International Council of Monuments and sites, the advent of new technologies and the importance of a quality evaluation and documentation, there are few studies with a rigorous analysis of the requirements for the cultural heritage documentation, with focus on the geometry of the models generated by digital photogrammetry process. The aim of this work is to propose discussions and analysis of requirements for the evaluation of planimetric quality of photogrammetric projects applied to the cultural heritage documentation. [less ▲]

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See detailSocio-economic characteristics of Fulani's households in Northeastern Benin
Chabi Toko, Roukayath ULg; Adegbidi, Anselme; Lebailly, Philippe ULg

in Kovacevic, Dusan (Ed.) Book of proceeding Fourth International Scientific Agricultural Symposium "Agrosym 2014" (2014, November)

Fulani belong to a socio-cultural group predominantly met in western Africa and usually raises cattle. Known as a nomadic group, Fulani have become increasingly more settled and combine crop farming with ... [more ▼]

Fulani belong to a socio-cultural group predominantly met in western Africa and usually raises cattle. Known as a nomadic group, Fulani have become increasingly more settled and combine crop farming with livestock husbandry. In Benin Fulani are predominant in the two eastern departments of the north. This community plays a key role in meat and milk supply in the country. But deep information on their household characteristics is scarce so that specific development actions concerning their activities are scarce. This study was carried out to characterize their household and highlight their livelihood strategies in the three agroecological conditions of the study area. 150 Fulani livestock keepers randomly selected were interviewed in 2013. The results show that the average household size is 18 people of which 22% are directly involved in cattle farming. The land is mostly inherited and the average size for a household is about 10.5 ha. Half of the land size is devoted to crops farming mainly 80% for home consumption and 17% to cotton production. Their livestock includes cattle, sheep, goats and poultry (chickens and Guinea fowl). Cattle represent 50% of the household livestock size. Cattle provide daily milk consumed at 51%; the rest is sold. Fulani also sell in average one cattle per month. In less favorable ecological conditions, they derive their income mainly from livestock. While in the regions where it rains more, they diversify their incomes by investing in food crops and cash crop (cotton mainly) farming. [less ▲]

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See detailThe effect of sampling effort on mammalian paleodiversity: the fossil record of large and small mammals compared
Santaella, Beatriz; Figueirido, Borja; Cascales - Miñana, Borja ULg et al

in Journal of Vertebrate Paleontology, Program and Abstracts, 2014 (2014, November)

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See detailReference values for the craniocervical flexion test in healthy volunteers
Demoulin, Christophe ULg; Hody, Stéphanie ULg; GROSDENT, Stéphanie ULg et al

in Abstract Book of 7th Biennial Congress of The Belgian Back Society (2014, November)

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See detailLe TSM (Test Spectral Métacognitif) : 10 caractéristiques pour relever 5 défis de la formation
Leclercq, Dieudonné ULg

in Actes du 28° Congrès de l'AIPU 2014 Mons Belgique du 18 au 22 mai 2014 (2014, October 30)

Les cinq défis de l'éducation auxquels le TSM vise à apporter des réponses relèvent (1) de la maîtrise d'un domaine disciplinaire, (2) de la maîtrise de'habiletés et compétences générales comme la ... [more ▼]

Les cinq défis de l'éducation auxquels le TSM vise à apporter des réponses relèvent (1) de la maîtrise d'un domaine disciplinaire, (2) de la maîtrise de'habiletés et compétences générales comme la vigilance cognitive et la lecture de consignes, (3) de compétences métacognitives, (4) du développement épistémique et (5) de la motivation à apprendre. Par 10 caractéristiques, le TSM vise à contribuer à ces cinq défis A LA FOIS. Après une introduction théorique à la problématique, un TSM de démonstration (de 16 questions) est présenté. l-Le lecteur peut l'expérimenter sur lui-même, puis télécharger les réponses correctes et enfin traiter ses résultats. [less ▲]

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See detailCharpentes anciennes en région Bruxelles-Capitale : réalisation d’un inventaire typologique et dendrochronologique
Weitz, Armelle ULg; Charruadas, Paulo ULg; Cremer, Sarah et al

in Charpentes historiques en bois de la construction à la restauration (2014, October 21)

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See detailInsights upon the adsorption mechanism of KAX on malachite
Kanda, Jean-Marie; Kongolo, Mukendi; Gaydardzhiev, Stoyan ULg et al

in Yianatos, Juan (Ed.) Proceedings of the XXVII International Mineral Processing Congress (2014, October 20)

The adsorption patterns of potassium amylxanthate on the surface of high purity malachite subjected to prior sulfidization with NaSH have been followed and elucidated. DRIFTS spectroscopy has been used to ... [more ▼]

The adsorption patterns of potassium amylxanthate on the surface of high purity malachite subjected to prior sulfidization with NaSH have been followed and elucidated. DRIFTS spectroscopy has been used to trace the associated physicochemical alterations as well as the chemical species present on the mineral surface. Varying the collector concentration from 5.10-4 to 1.10-2 mol/L has led to different degree of surface coverage of the alkyl groups in combination with formation of organometallic hydrophobic complexes of CuX and CuX – X2 type. The results reveal that the CuX complex formed on the malachite surface without sulfidizing agent is more unstable and prone to dissolution-precipitation phenomena. Based upon the constructed adsorption isotherms and upon the degree of statistical coverage, different zones of mineral-reagent interactions could be distinguished. They correspond respectively to the monolayer, bi-layer and tridimensional condensation domains. In each of the identified zones mono or double layer adsorption patterns of the collector are proposed leading respectively to formation of surface compounds with different degree of hydrophobicity. [less ▲]

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See detailPhysicochemical observations during process water reuse in flotation of oxide copper-cobalt ore
Shengo, Michel; Gaydardzhiev, Stoyan ULg; Kalenga, Pierre

in Yianatos, Juan (Ed.) Proceedings of the XXVII International Mineral Processing Congress (2014, October 20)

Lab-scale flotation of copper and cobalt oxidized ore from the Luiswishi deposit in the Katanga province (DRC) has been done focusing on the influence of the degree of process water recycling on metals ... [more ▼]

Lab-scale flotation of copper and cobalt oxidized ore from the Luiswishi deposit in the Katanga province (DRC) has been done focusing on the influence of the degree of process water recycling on metals recovery. Results have shown that at 20 % recycling rate, the recovery of copper and cobalt in the cleaner stage have been respectively reduced to 23 % and 45 % in comparison to 53 % Cu and 63 % Co if process water has not been recycled. At 10 % recycling rate however, the system could still tolerate the effect from recycling, since Cu and Co recovery has remained respectively at acceptable levels of 52 % and 60 %. In order to explain the reasons for the observed worsening of flotation results if process water was recycled at rate higher than 20 %, electrochemical investigation of the pulp has been performed. It has been established that the chemical compounds formed in the pulp when process water was recycled, do influence the sulfidization of malachite and heterogenite and impact further collector adsorption. To confirm these assumptions, the effect from thiosulphate ions presence during the sulfidization of high purity malachite has been studied. It has been found, that thiosulphate ions depending on their concentration in water induce variations in pulp properties such as DO content, pH, Es and contribute to formation of undesirable chemical compounds on mineral surface as identified by DRIFT spectroscopy. [less ▲]

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See detailThe Airline Container Loading Problem with Pickup and Delivery
Lurkin, Virginie ULg; Schyns, Michael ULg

in Airline Group of the Intl Federation of Operational Research Soc ( AGIFORS ) (Ed.) Proceedings of a meeting held 18-22 October 2014, Dubai, United Arab Emirates. (2014, October 19)

The present paper looks into the problem of optimizing the loading of a set of containers and pallets into cargo aircraft serving multiple airports. Due to the pickup and delivery operations occurring at ... [more ▼]

The present paper looks into the problem of optimizing the loading of a set of containers and pallets into cargo aircraft serving multiple airports. Due to the pickup and delivery operations occurring at intermediate airports, this problem is simultaneously a weight and balance problem and a sequencing problem. Our objective is to minimize fuel and handling operations costs. This problem is shown to be NP-hard. We resort to a mixed integer linear program. On the basis of a professional partner's real-world data, TNT Airways, we perform numerical experiments using a standard B&C library. This approach yields better solutions than traditional manual planning, which results in substantial cost savings. [less ▲]

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See detailCharacterization of paragangliomas : a single center cohort study
VROONEN, Laurent ULg; Maiga, Ibrahima ULg; PETROSSIANS, Patrick ULg et al

in Abstract book - 24th Meeting of the Belgian Endocrine Society (2014, October 18)

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See detailA novel mutation of the luteinizing hormone/choionic gonadotrophin receptor gene leading to Leydig cell hypoplasia type I
Potorac, Iulia ULg; Rivero-Müller, Adolfo; Pintiaux, Axelle ULg et al

in Abstract book - 24th Meeting of the Belgian Endocrine Society (2014, October 18)

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See detailFamilial hypocalciuric hypercalcemia : a rare cause of recurrent pancreatitis
Daniel, Sara ULg; Potorac, Iulia ULg; MALAISE, Olivier ULg et al

in Abstract book - 24th Meeting of the Belgian Endocrine Society (2014, October 18)

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See detailOptimal Assignment of Off-Peak Hours to Lower Curtailments in the Distribution Network
Merciadri, Luca ULg; Mathieu, Sébastien ULg; Ernst, Damien ULg et al

in Proceedings of the 5th European Innovative Smart Grid Technologies (ISGT) (2014, October)

We consider a price signal with two settings: off-peak tariff and on-peak tariff. Some loads are connected to specific electricity meters which allow the consumption of power only in off-peak periods ... [more ▼]

We consider a price signal with two settings: off-peak tariff and on-peak tariff. Some loads are connected to specific electricity meters which allow the consumption of power only in off-peak periods. Historically, off-peak periods were located during the night and on-peak periods during the day. Changing the assignment of off-peak periods is an easy method for distribution system operators to access to the flexibility of small consumers. This solution can be implemented quickly as the infrastructure needed already exists in some countries. We propose a mixed-integer linear model to assign optimally the off-peak hours so as to minimize a societal cost. This cost gathers together the cost of electricity, the financial losses due to energy curtailments of photovoltaic installations and the loads' wellbeing. Our model considers automatic tripping of inverters and constraints of the electrical distribution networks. Simulation results show that the new disposition of off-peak hours could reduce significantly the photovoltaic energy curtailed in the summer. [less ▲]

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See detailTrace element bioaccumulation and compartmentalization in the invasive algae Caulerpa racemosa var. cylindracea from the Calvi Bay, Corsica
Gobert, Sylvie ULg; Richir, Jonathan ULg

in Langar, H.; Bouafif, C.; Ouerghi, A. (Eds.) Proceedings of the 5th Mediterranean Symposium on Marine Vegetation (2014, October)

The algae Caulerpa racemosa var. cylindracea (Sonder) was first observed along Corsican coasts in 2002 (Ruitton et al., 2005), and more recently in the Calvi Bay (northwestern Corsica) in 2008. Numerous ... [more ▼]

The algae Caulerpa racemosa var. cylindracea (Sonder) was first observed along Corsican coasts in 2002 (Ruitton et al., 2005), and more recently in the Calvi Bay (northwestern Corsica) in 2008. Numerous works have studied the distribution of that invasive species and the factors driving its rapid expansion, as well as the resulting ecological impacts on native coastal communities (Klein and Verlaque, 2008). However, very little is known regarding C. racemosa biochemistry and its natural ability to concentrate trace elements (TEs). In the framework of the STARECAPMED project, this work therefore aimed to study the bioaccumulation and the compartmentalization of 19 TEs in this macroalgae. [less ▲]

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See detailModeling of the cardio-pulmonary system assisted by ECMO
Habran, Simon ULg; Dauby, Pierre ULg; Desaive, Thomas ULg et al

in National Day on Biomedical Engineering 2014 (2014, October)

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See detailIntérêt du signal T2 des adénomes hypophysaires à GH traités par analogues de la somatostatine - premiers résultats de l'étude IRMA#2
Potorac, Iulia ULg; PETROSSIANS, Patrick ULg; Daly, Adrian ULg et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Françaose d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailVelocity and turbulence measurements for assessing the stability of riverbeds: a comparison between UVP and ADVP
Duma, Diana ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

in 11th International Conference on Hydroscience & Engineering - "Hydro-Engineering for Environmental Challenges" (2014, October)

Maintaining the overall stability of active riverbeds requires a deep understanding of the complex interactions between turbulent flow forces and forces stabilizing the riverbed. Standard approaches do ... [more ▼]

Maintaining the overall stability of active riverbeds requires a deep understanding of the complex interactions between turbulent flow forces and forces stabilizing the riverbed. Standard approaches do not properly take into account the turbulence fluctuations in non-uniform flows, while these are of primary importance in the mechanisms determining the stability of stones. In a new approach, the flow forces are quantified by means of parameters combining explicitly the velocity and turbulence distributions over a certain water depth above the riverbed. In this paper, as an onset for using these newly developed bed stability parameters, we report on new experimental measurements of velocity and turbulent kinetic energy based on acoustic methods, whereas all previous uses at the new bed stability parameters relied on Laser PIV Techniques. For quasi-uniform and non-uniform flow conditions, velocity measurements were conducted with two complementary devices: an ultrasonic velocimeter probe (UVP) and an acoustic Doppler velocimeter profiler (ADVP). The results are compared and discussed in detail. A general consistency between the two types of measurements is obtained, while some discrepancies are highlighted close to the bed and tentative explanations are given. [less ▲]

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See detailUn phéochromocytome aux multiples mutations
VROONEN, Laurent ULg; Maiga, Ibrahima ULg; Persu, A et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Françaose d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailIsocinétisme et muscles rotateurs d'épaule
Forthomme, Bénédicte ULg; Crielaard, Jean-Michel ULg; Kaux, Jean-François ULg et al

in Innovations technologiques et préhension (2014, October)

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See detailLeucémie myéloblastique aiguë : sécrétion paranéoplasique de GH et de PRL ?
VALDES SOCIN, Hernan Gonzalo ULg; Potorac, Iulia ULg; DE PASQUAL, Aurelie ULg et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Françaose d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailDysthyroïdies iatrogènes
Maiga, Ibrahima ULg; VALDES SOCIN, Hernan Gonzalo ULg; DELWAIDE, Jean ULg et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Française d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailImplantable sensor to measure liquor pressure of a ventricular drainage system
Görtz, M; vom Bögel, G; Kraft, Michael ULg

in Proceedings of "48th DGBMT Annual Conf. : Hannover, Germany Octobre 2014" (2014, October)

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See detailDevelopment of an implantable integrated MEMS pressure sensor using polyimide epoxy composite and Atomic Layer Deposition for encapsulation
Gembaczka, P; Görtz, M; Kraft, Michael ULg

in Proceedings of "48th DGBMT Annual Conf. : Hannover, Germany Octobre 2014" (2014, October)

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See detailNeurofibromatose et phéochromocytome métastatique
VROONEN, Laurent ULg; Maiga, Ibrahima ULg; HAMOIR, Etienne ULg et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Françaose d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailRugose corals at the Tournaisian-Viséan transition in the Central Taurides (S Turkey) - Palaeobiogeography and Palaeoceanography of the Gondwana margin
Denayer, Julien ULg

in 4th International Palaeontological Congress, Mendoza, Abstracts volume (2014, October)

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See detailLe puits du château fort de Logne (Ferrières, province de Liège, Belgique)
Wéry, Benoît; Hoffsummer, Patrick ULg; Delye, Emmanuel ULg

in Gautier, Delphine; Mouillebouche, Hervé (Eds.) L'eau dans le château. Actes du troisième colloque international au château de Bellecroix (2014, October)

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See detailExpression et localisation immunohistochimique de KISS1 et de son récepteur GPR54 : étude du tissu thyroïdien non tumoral et d'une série de patients opérés d'un cancer thyroïdien papillaire
VALDES SOCIN, Hernan Gonzalo ULg; Munaut, Carine ULg; SCAGNOL, Irène ULg et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Française d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailThe conceptualization of trace element flows within Posidonia oceanica meadows: a collaborative proposal to fill knowledge gaps
Richir, Jonathan ULg; Gobert, Sylvie ULg

in Langar, H.; Bouafif, C.; Ouerghi, A. (Eds.) Proceedings of the 5th Mediterranean Symposium on Marine Vegetation (2014, October)

The Mediterranean seagrass Posidonia oceanica (L.) Delile is regarded as a relevant indicator of bioavailable trace elements (TEs) since it efficiently and proportionally bioaccumulates these chemicals ... [more ▼]

The Mediterranean seagrass Posidonia oceanica (L.) Delile is regarded as a relevant indicator of bioavailable trace elements (TEs) since it efficiently and proportionally bioaccumulates these chemicals from its surrounding environment. Recent studies have further brought supplementary insights in our understanding of the processes driving TE kinetics within that species. But at a higher degree of organization, the distribution and flows of TEs between P. oceanica meadow components, i.e. seagrass shoots, epiphytes, associated algae and animals and detritus, have not been investigated yet. The present study therefore aims to propose a conceptualization model of P. oceanica meadows, regarded as the juxtaposition of the 5 separate components listed above exchanging flows of TEs between themselves and with their environment, i.e. water and sediment. This model can be drawn in energy circuit language. By writing such a model, one in essence is writing equations describing a system. To be relevant, its elaboration requires the compilation of a large amount of quantitative data. This conceptualization can thus be regarded as a collaborative innovation requiring scientists to fill the model through the continuous supplement of new data. In fine, this model will lead to the exact quantification of the role played by P. oceanica meadows in the coastal biogeochemistry of TEsin the Mediterranean. [less ▲]

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See detailHypervitaminémie B12 : un piège diagnostique pour le biologiste et pour le clinicien ?
LUYCKX, Françoise ULg; Texeira, J; VALDES SOCIN, Hernan Gonzalo ULg et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Française d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailMacroprolactinome pédiatrique sporadique associé à une mutation germinale AIP R304Q: Rémission quatre ans après l'interruption d'un traitement par Cabergoline.
VALDES SOCIN, Hernan Gonzalo ULg; Potorac, Iulia ULg; Janin, N et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Françaose d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailLe cancer thyroïdien papillaire familial (FNMTC): études cliniques et génétiques chez 8 familles
VALDES SOCIN, Hernan Gonzalo ULg; Daly, Adrian ULg; Burlacu, C et al

in Abstract book - Annales d'Endocrinologie : 31ème Congrès de la Société Française d'Endocrinologie, Lyon 5-8 novembre 2014 (2014, October)

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See detailDysphasie : Réflexions autour de la définition et des critères diagnostiques
Leclercq, Anne-Lise ULg; Maillart, Christelle ULg

in Les entretiens de Bichat : les entretiens d'orthophonie 2014 : Les "dys", état de l'art et orientations cliniques (2014, September 27)

Specific language impairment refers to a non-homogeneous group: linguistic and non-linguistic abilities differ from one child to another. Increasing knowledge in this field has led to clarify both the ... [more ▼]

Specific language impairment refers to a non-homogeneous group: linguistic and non-linguistic abilities differ from one child to another. Increasing knowledge in this field has led to clarify both the definition and the diagnostic criteria in order to facilitate its diagnosis. However, the clinical complexity of this trouble questions the relevance of these diagnostic criteria. The present article intends to think about the clinical diagnostic of specific language impairment in order to allow informed decision making during its assessment and therapy. [less ▲]

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See detailAvant-Propos. Le statut unique : much ado about nothing ?
Kéfer, Fabienne ULg

in Kéfer, Fabienne (Ed.) L'harmonisation des statuts entre ouvriers et employés (2014, September 26)

Detailed reference viewed: 23 (9 ULg)