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See detailFormer des enseignants francophones pour de nouveaux publics
Defays, Jean-Marc ULg

in Cadet-Joseph, Lucile; Pellegrini, Florence (Eds.) Situation et perspectives d'évolution des départements d'études française des universités européennes (2010)

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See detailCyprinid herpesvirus 3
Michel, Benjamin; Fournier, Guillaume; Lieffrig, François et al

in Emerging Infectious Diseases (2010), 16

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See detailLes conflits entre actionnaires - Prévention et Résolution
Caprasse, Olivier ULg; Aydogdu, Roman ULg

Book published by Larcier (2010)

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See detailSignspeak--understanding, recognition, and translation of sign languages
Dreuw, Philippe; Forster, Jens; Gweth, Yannick et al

in 4th Workshop on the Representation and Processing of Sign Languages: Corpora and Sign Language Technologies (2010)

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See detailManagement effects on European cropland respiration
Eugster, W.; Moffat, A. M.; Ceschia, E. et al

in Agriculture, Ecosystems & Environment (2010), 139

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See detailFilles et garçons face à l'orientation scientifique : stéréotypes en tout genre
Goffin, Christelle ULg; Quittre, Valérie ULg; Lafontaine, Dominique ULg

in Gavray, Claire; Adriaenssens, Alexandra (Eds.) Une fille = un garçon ? Identifier les inégalités de genre à l'école pour mieux les combattre (2010)

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See detailIntroduction
Drouguet, Noémie ULg

in CeROArt : Conservation, Exposition, Restauration d'Objets d'Art (2010), 5

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See detailQuantitative study of catalytic activity and catalytic deactivation of Fe–Co/Al2O3 catalysts for multi-walled carbon nanotube synthesis by the CCVD process
Pirard, Sophie ULg; Heyen, Georges ULg; Pirard, Jean-Paul ULg

in Applied Catalysis A : General (2010), 382

The catalytic deactivation during multi-walled carbon nanotube (MWNT) synthesis by the CCVD process and the influence of hydrogen on it were quantified. Initial specific reaction rate, relative specific ... [more ▼]

The catalytic deactivation during multi-walled carbon nanotube (MWNT) synthesis by the CCVD process and the influence of hydrogen on it were quantified. Initial specific reaction rate, relative specific productivity and catalytic deactivation were studied. Carbon source was ethylene, and a bimetallic iron–cobalt catalyst supported on alumina was used. The catalytic deactivation was modeled by a decreasing hyperbolic law, reflecting the progressive accumulation of amorphous carbon on active sites. While the initial specific reaction rate was found not to be influenced by hydrogen, catalytic deactivation was found to be modified in the presence of hydrogen, which delayed and slowed down the deactivation by avoiding amorphous carbon deposition, thus leading to a greater relative specific productivity of carbon nanotubes. [less ▲]

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See detailMaternal plasma soluble endoglin at 11-13 weeks's gestation in pre-eclampsia
Foidart, Jean-Michel ULg; Munaut, Carine ULg; Chantraine, Frédéric ULg et al

in Ultrasound in Obstetrics & Gynecology (2010), 35(6), 680-7

Objectives: To examine the performance of screening for preeclampsia (PE) by a combination of maternal factors, soluble endoglin (sEng), pregnancy associated plasma protein A (PAPP-A), placental growth ... [more ▼]

Objectives: To examine the performance of screening for preeclampsia (PE) by a combination of maternal factors, soluble endoglin (sEng), pregnancy associated plasma protein A (PAPP-A), placental growth factor (PlGF) and uterine artery lowest pulsatibility index (L-PI) at 11-13 weeks of gestation. Methods: Uterine artery L-PI, sEng, PAPP-A and PlGF were measured at 11-13 weeks in 90 singleton pregnancies that subsequently developed PE, including 30 that required delivery before 34 weeks (early-PE) and 60 with late-PE, and 180 unaffected controls. Screening performance for PE by maternal factors, sEng, PAPP-A, PlGF and uterine artery L-PI and their combinations was determined. Results: In early-PE, compared to controls, plasma sEng and uterine L-PI were significantly increased and serum PAPP-A and PlGF were decreased. In late-PE, compared to controls, serum PlGF was decreased and uterine L-PI was increased but plasma sEng and serum PAPP-A were not significantly different. In screening for early-PE, the detection rate at a 10% false positive rate was 46.7% for sEng alone and 96.3% for a combination of maternal factors, sEng, PlGF and uterine artery L-PI. Conclusions: Effective screening for early-PE can be provided by a combination of maternal factors, sEng, PlGF and uterine artery L-PI at 11-13 weeks. [less ▲]

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See detailHydro-mechanical modelling of the Excavation Damaged Zone around an underground excavation at Mont Terri Rock Laboratory
Levasseur, Séverine ULg; Charlier, Robert ULg; Frieg, Bernd et al

in International Journal of Rock Mechanics & Mining Sciences (2010), 47(3), 414-425

A zone with significant irreversible deformations and significant changes in flow and transport properties is expected to be formed in indurated clay around underground excavations. The stress ... [more ▼]

A zone with significant irreversible deformations and significant changes in flow and transport properties is expected to be formed in indurated clay around underground excavations. The stress perturbation around the excavation could lead to a significant increase of the permeability, related to diffuse and/or localized crack propagation in the material. The main objective of the study is to model these processes at large scale in order to assess their impacts on the performance of radioactive waste geological repositories. This paper concerns more particularly the hydro-mechanical modelling of a long term dilatometer experiment performed in Mont Terri Rock Laboratory in Switzerland within the Selfrac Project. The proposed model defines the permeability as a function of the aperture of the cracks that are generated during the excavation. With this model, the permeability tensor becomes anisotropic. Advantages and drawbacks of this approach are described thanks to the results of the Selfrac long term dilatometer experiment. [less ▲]

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See detailAnticipatory Mechanisms in Evolutionary Living Systems
Dubois, Daniel ULg; Holmberg, Stig C.

in Dubois, Daniel (Ed.) COMPUTING ANTICIPATORY SYSTEMS (2010)

This paper deals firstly with a revisiting of Darwin's theory of Natural Selection. Darwin in his book never uses the word “evolution”, but shows a clear position about mutability of species. Darwin's ... [more ▼]

This paper deals firstly with a revisiting of Darwin's theory of Natural Selection. Darwin in his book never uses the word “evolution”, but shows a clear position about mutability of species. Darwin's Natural Selection was mainly inspired by the anticipatory Artificial Selection by humans in domestication, and the Malthus struggle for existence. Darwin showed that the struggle for existence leads to the preservation of the most divergent offspring of any one species. He cited several times the canon of “Natura non facit saltum”. He spoke about the origin of life from some one primordial form, into which life was first breathed. Finally, Darwin made anticipation about the future researches in psychology. This paper cites the work of Ernst Mayr who was the first, after 90 years of an intense scientific debate, to present a new and stable Darwinian paradigm as the “Evolutionary Synthesis” in 1942. To explain what is life, the Living Systems Theory (LST) by J. G. Miller is presented. It is showed that the Autopoietic Systems Theory of Varela et al is also a fundamental component of living systems. In agreement with Darwin, the natural selection is a necessary condition for transformation of biological systems, but is not a sufficient condition. Thus, in this paper we conjecture that an anticipatory evolutionary mechanism exists with the genetic code that is a self-replicating and self-modifying anticipatory program. As demonstrated by Nobel laureate McClintock, evolution in genomes is programmed. The word “program” comes from “pro-gram” meaning to write before, by anticipation, and means a plan for the programming of a mechanism, or a sequence of coded instructions that can be inserted into a mechanism, or a sequence of coded instructions, as genes of behavioural responses, that is part of an organism. For example, cell death may be programmed by what is called the apoptosis. This definitively is a great breakthrough in our understanding of biological evolution. Hence, it is possible to formulate a new principle of evolution, i.e. the principle of Double Anticipatory Loop (DAL) of evolution: Biological evolution is driven by interaction between a mindless environment that is passively selecting the fittest inhabitants and purposeful anticipatory living systems, which are actively selecting and creating their own environment. Evolution on the genome level is trigged by environmental stress but guided by an inherent program. [less ▲]

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See detailBrainstem specific warping improves locus coeruleus functional imaging in humans
Balteau, Evelyne ULg; Schmidt, Christina ULg; Maquet, Pierre ULg et al

in Proceedings of the International Society for Magnetic Resonance in Medicine ... Scientific Meeting and Exhibition. International Society For Magnetic Resonance in Medicine. Scientific Meeting and Exhibition (2010)

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See detailExplicit Solution to the Full Nonlinear Problem for Satellite Formation-keeping
Cho, Hancheol ULg; Udwadia, Firdaus

in Acta Astronautica (2010), 67(3-4), 369-387

This paper presents simple and exact formation-keeping guidance schemes that use a new method that is rooted in some recent advances in analytical dynamics. As a result of this new approach, explicit ... [more ▼]

This paper presents simple and exact formation-keeping guidance schemes that use a new method that is rooted in some recent advances in analytical dynamics. As a result of this new approach, explicit control inputs to exactly maintain a given formation configuration are easily determined using continuous thrust propulsion systems. The complete nonlinear problem is addressed, and no linearizations and/or approximations are made. The approach provides a marked improvement over existing results in that the control forces, which cause geometric formation-keeping constraints to be exactly satisfied for arbitrary reference orbits, are found in closed form. For Keplerian reference orbits, a much simpler and explicit expression for the control needed to exactly satisfy formation-keeping constraints than hereto available is obtained. The paper also includes explicit control results when the follower is inserted into orbit with incorrect initial conditions, as usually happens in practice. The Hill reference frame, which is often more intuitive for formation-keeping, is used in the analysis. While this paper takes an example of a projected circular formation, the methodology that is developed can be applied to any desired configuration or orbital requirements. Extensive computational simulations are performed to demonstrate the ease of implementation, and the numerical accuracy provided by the approach developed herein. [less ▲]

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See detailThe California Verbal Learning Test and other standard clinical neuropsychological tests to predict conversion from mild memory impairment to dementia.
Lekeu, Françoise ULg; Magis, Delphine ULg; Marique, Patricia et al

in Journal of Clinical and Experimental Neuropsychology (2010), 20

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See detailOn a class of micromechanical damage models with initial stresses for geomaterials
Levasseur, Séverine ULg; Collin, Frédéric ULg; Charlier, Robert ULg et al

in Mechanics Research Communications (2010), 37

In this paper, we extend a class of micromechanical damage models by including initial stresses. The proposed approach is based on the solution of the Eshelby inhomogeneous inclusion problem in the ... [more ▼]

In this paper, we extend a class of micromechanical damage models by including initial stresses. The proposed approach is based on the solution of the Eshelby inhomogeneous inclusion problem in the presence of a prestress (in the matrix), adapted for elastic voided media. The closed form expression of the corresponding energy potential is used as the basis of various isotropic damage models corresponding to three standard homogenization schemes. These models are illustrated by considering isotropic tensile loadings with different initial stresses. Finally, still in the isotropic context, we provide an interpretation of the macroscopic damage model formulated by Halm-Dragon (1996) by briefly connecting it to the present study. [less ▲]

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See detailFunctional interplay between macroH2A and Polycomb Repressive Complexes
Creppe, Catherine ULg; Valero, Vanesa; Di Croce, Luciano et al

Poster (2010)

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See detailFunctionalization of carbon xerogels for the preparation of Pd/C catalysts by grafting of Pd complex
Diverchy, Chantal; Hermans, Sophie; Job, Nathalie ULg et al

in Studies in Surface Science and Catalysis (2010), 175

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