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See detailHydroCube: a new entity-relationship hydrogeological data model
Wojda, Piotr; Brouyère, Serge ULg; Derouane, Johan et al

in Hydrogeology Journal (2010), 18(8), 1953-1962

Managing, handling, and accessing hydrogeological information depend mainly on the applied hydrogeological data models, which differ between institutions and across countries. Growing interest in ... [more ▼]

Managing, handling, and accessing hydrogeological information depend mainly on the applied hydrogeological data models, which differ between institutions and across countries. Growing interest in hydrogeological information diffusion, combined with a need for information availability, require the convergence of hydrogeological data models to make hydrogeological information accessible to multiple users such as universities, administrations, water suppliers, and research organisations. Furthermore, because hydrogeological studies are complex, they require a large variety of high-quality hydrogeological data with appropriate metadata in clearly designed and coherent structures. A need therefore exist to develop and implement hydrogeological data models that cover, as much as possible, the full hydrogeological domain. To respond to these requirements, a new data model, called HydroCube, has been developed for the Walloon Region in Belgium. The HydroCube model presents an innovative holistic “project-based” approach, which covers a full set of hydrogeological concepts and features, allowing for effective hydrogeological project management. This approach enables to store data about the project localisation, hydrogeological equipment, related observations and measurements. In particular, the model focuses on specialized hydrogeological field experiments, such as pumping and tracer tests. This logical data model uses entity-relationship diagrams and it has been implemented in the MS Access environment as the HydroCube database. It has been additionally enriched with a fully functional user-interface. [less ▲]

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See detailIconographies de saints mosans : Liège, Archives de l’Evêché St-Amand de Jupille
George, Philippe ULg

in Bulletin de la Société Royale Le Vieux-Liège (2010)

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See detailGuided nucleation of superconductivity on a graded magnetic substrate
Milosevic, M. V.; Gillijns, W.; Silhanek, Alejandro ULg et al

in Applied Physics Letters (2010), 96(3),

We demonstrate the controlled spatial nucleation of superconductivity in a thin film deposited on periodic arrays of ferromagnetic dots with gradually increasing diameter. The perpendicular magnetization ... [more ▼]

We demonstrate the controlled spatial nucleation of superconductivity in a thin film deposited on periodic arrays of ferromagnetic dots with gradually increasing diameter. The perpendicular magnetization of the dots induces vortex-antivortex molecules in the sample, with the number of (anti)vortices increasing with magnet size. The resulting gradient of antivortex density between the dots predetermines local nucleation of superconductivity in the sample as a function of the applied external field and temperature. In addition, the compensation between the applied magnetic field and the antivortices results in an unprecedented enhancement of the critical temperature. [less ▲]

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See detailDirect visualization of the vortex distributions in a superconducting film with a Penrose array of magnetic pinning centers: Symmetry induced giant vortex state
Kramer, R. B. G.; Silhanek, Alejandro ULg; Van de Vondel, J. et al

in Physica C: Superconductivity (2010), 470(19), 758-761

Using scanning Hall probe microscopy a direct visualization of the flux distribution in a Pb film covering a fivefold Penrose array of Co dots is obtained. We demonstrate that stable vortex configurations ... [more ▼]

Using scanning Hall probe microscopy a direct visualization of the flux distribution in a Pb film covering a fivefold Penrose array of Co dots is obtained. We demonstrate that stable vortex configurations can be found for fields H similar to 0.8H(1), H(1) and 1.6H(1), where H(1) corresponds to one flux quantum per pinning site. The vortex pattern at 0.8H(1) corresponds to one vacancy in one of the vertices of the thin tiles whereas at 1.6H(1) the vortex structure can be associated with one interstitial vortex inside each thick tile. Strikingly, for H = 1.6H(1) interstitial and pinned vortices arrange themselves in ring-like structures ("vortex corrals") which favor the formation of a giant vortex state at their center. (C) 2010 Published by Elsevier B.V. [less ▲]

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See detailDeciphering Langer's lines using dermoscopy.
QUATRESOOZ, Pascale ULg; Devillers, Céline; PIERARD, Gérald ULg

in European Dermatology (2010), (5), 54-56

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See detailThe most likely time and place of introduction of BTV8 into belgian ruminants
Saegerman, Claude ULg; Mellor, Philip; Uyttenhoef, Aude ULg et al

in PLoS ONE (2010), 5(2),

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See detailLes services mis en place en faveur des victimes d’actes délinquants.
Lauwaert, Katrien ULg; Decocq, Mélanie ULg

in Jacobs, Ann; Lauwaert, Katrien (Eds.) Le droit des victimes. (2010)

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See detailHeat treatment of pigmented materials from es-Skhul (ca. 100 000 B.P., Israël)
Salomon, Hélène ULg; Vignaud, Colette; Coquinot, Yvan et al

Poster (2010)

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See detailTHE NORMAL ANATOMICAL DEVELOPMENT OF THE FOAL FOOT DESCRIBED WITH MULTI DETECTOR COMPUTED TOMOGRAPHY (MDCT)
Van Thielen, B.; Murray, R.; Van Dooren, J. P. et al

Poster (2010)

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See detailAngiogenic fast-growing melanomas and their micrometastases.
Quatresooz, Pascale ULg; Pierard, Claudine ULg; Paquet, Philippe ULg et al

in European Journal of Dermatology (2010), 20(3), 302-7

Malignant melanoma (MM), particularly its fast-growing type, is prone to interstitial, intravascular and extravascular migratory metastases. There is no information linking their growth fraction, the ... [more ▼]

Malignant melanoma (MM), particularly its fast-growing type, is prone to interstitial, intravascular and extravascular migratory metastases. There is no information linking their growth fraction, the configuration of the MM advancing edge, the extent in vascularity and the propensity to metastatic progression. The objective of this study was to determine the growth fraction, the size of vascularity and the contours of the progression border of 32 fast-growing MM with regard to the presence or absence of a micrometastatic spread inside the skin and overt metastases in the sentinel lymph nodes. In vivo high resolution colorimetry was performed as a clinical estimate of MM vascularity. Euclidean geometry and fractal analysis were used on immunohistochemical sections. The relative microvasculature profile area beneath MM, and the fractal dimension D of the MM frontline were assessed. The MIB/Ki-67 index was determined in MM cells. Value a* of colorimetry was similarly increased in the presence or absence of micro-metastases. No difference in growth fraction was revealed between these neoplasms. Correlations were found between vascularity and angiotropism, and between the micrometastatic process and the sentinel lymph node involvement. By contrast, no correlation was shown between vascularity and the fractal D dimension of the MM advancing edge. In sum, this study establishes a link between the extent of MM growth fraction, vascularity and the presence of dermal and nodal micrometastases in fast-growing MM. [less ▲]

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See detailBénard instabilities of a binary liquid layer evaporating into an inert gas: stability of quasi-stationary and time-dependent reference profiles
Machrafi, Hatim ULg; Rednikov, A.; Colinet, Pierre et al

in Proceedings of the 5th Conference of the International Marangoni Association “Interfacial Fluid Dynamics and Processes” (2010)

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See detailQuelle psychologie scolaire en Belgique ?
Frenkel, Stéphanie ULg

Conference (2010)

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See detailTowards a European Consumer Construction Law?
Kohl, Benoît ULg

in International Construction Law Review (2010), 27(2), 211-241

If European action is necessary for the unification of liabilities in the European construction industry, it may be wiser to commence Community action by focusing on the specific interests of private ... [more ▼]

If European action is necessary for the unification of liabilities in the European construction industry, it may be wiser to commence Community action by focusing on the specific interests of private consumers rather than seeking to develop a European Code covering all aspects of private construction law. The aim of this paper is to explain my preference for this focused approach and, by comparing the current state of the Law in England and in France, to establish the points of convergence that could constitute the basis of European intervention in that field. I will specifically deal with the differing approaches taken by both countries to identical social problems. In conclusion, I suggest a dual approach to harmonisation in the housing construction sector. After having fixed, in a European legislative instrument, the objectives of the substantive minimal protection that every consumer should be able to enjoy across Europe, Member States should be encouraged to provide self-regulatory bodies – or potentially even one international self-regulatory body at the European level - for the attainment of these objectives. This “co-regulation” mechanism, applied to my comparative study of French and English consumer protection in the housing sector, suggests that very few modifications at a national level in both countries would be required to meet the suggested harmonisation. [less ▲]

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See detailNatural and Artificial Intelligence, Language, Consciousness, Emotion, and Anticipation
Dubois, Daniel ULg

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

The classical paradigm of the neural brain as the seat of human natural intelligence is too restrictive. This paper defends the idea that the neural ectoderm is the actual brain, based on the development ... [more ▼]

The classical paradigm of the neural brain as the seat of human natural intelligence is too restrictive. This paper defends the idea that the neural ectoderm is the actual brain, based on the development of the human embryo. Indeed, the neural ectoderm includes the neural crest, given by pigment cells in the skin and ganglia of the autonomic nervous system, and the neural tube, given by the brain, the spinal cord, and motor neurons. So the brain is completely integrated in the ectoderm, and cannot work alone. The paper presents fundamental properties of the brain as follows. Firstly, Paul D. MacLean proposed the triune human brain, which consists to three brains in one, following the species evolution, given by the reptilian complex, the limbic system, and the neo-cortex. Secondly, the consciousness and conscious awareness are analysed. Thirdly, the anticipatory unconscious free will and conscious free veto are described in agreement with the experiments of Benjamin Libet. Fourthly, the main section explains the development of the human embryo and shows that the neural ectoderm is the whole neural brain. Fifthly, a conjecture is proposed that the neural brain is completely programmed with scripts written in biological low-level and high-level languages, in a manner similar to the programmed cells by the genetic code. Finally, it is concluded that the proposition of the neural ectoderm as the whole neural brain is a breakthrough in the understanding of the natural intelligence, and also in the future design of robots with artificial intelligence. [less ▲]

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See detailMicrowave-assisted transformations of carbohydrates
Richel, Aurore ULg

Report (2010)

This reports deals with the involvment of microwaves for the conversion of renewable feedstocks, and in particlar for the tranfsormation of monosaccharides and cellulose into high added value materials.

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See detailSpin transport in carbon nanotubes with magnetic vacancy-defects
Zanolli, Zeila ULg; Charlier, Jean-Christophe

in Physical Review. B, Condensed Matter and Materials Physics (2010), 81(16),

The spin-polarized electron transport properties of metallic carbon nanotubes containing vacancies are investigated using first-principles and nonequilibrium Green’s function techniques. Reconstructed ... [more ▼]

The spin-polarized electron transport properties of metallic carbon nanotubes containing vacancies are investigated using first-principles and nonequilibrium Green’s function techniques. Reconstructed mono- and trivacancies, containing carbon atoms with unsaturated bonds, behave like quasilocalized magnetic impurities. However, in conventional ab initio simulations, these magnetic defects are artificially repeated periodically (supercell method) and are thus incorrectly coupled by long range interactions. Consequently, a technique based on an open system with an isolated magnetic impurity is used here to accurately describe the local magnetic properties of these defects, revealing spin-dependent conductances in tubes, which could be exploited in spintronic nanodevices. [less ▲]

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