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See detailThe extension of the INCL model for simulation of shielding in space
Pedoux, Sophie ULg; Cugnon, Joseph ULg; Mancusi, Davide ULg et al

in Advances in Space Research (2011), 48(2), 383-389

Radiation hazard for space missions is mainly due to cosmic ray protons, helium nuclei and light ions, whose energy spectrum is maximum around 1 GeV per nucleon but remains non-negligible for energies up ... [more ▼]

Radiation hazard for space missions is mainly due to cosmic ray protons, helium nuclei and light ions, whose energy spectrum is maximum around 1 GeV per nucleon but remains non-negligible for energies up to 15 GeV per nucleon. Nuclear reactions induced by high energy protons are often described by intranuclear cascade plus evaporation models. The attention is focused here on the Liège Intranuclear Cascade model (INCL), which has been shown to reproduce fairly well a great deal of experimental data for nucleon-induced reactions in the 200 MeV to 2 GeV range, when coupled with the ABLA evaporation-fission code. In order to extend the model to other conditions relevant for space radiation, three improvements of INCL are under development. They are reported on here. First, the reaction model has been extended to nucleon-nucleus reactions at incident energies up to 15 GeV, mainly by the inclusion of additional pion production channels in nucleon-nucleon collisions during the cascade. Second, a coalescence mechanism for the emission of light charged particles has been implemented recently. Finally, the model has been modified in order to accommodate light ions as projectiles. First results are shown and compared with illustrative experimental data. Implications for issues concerning radiation protection in space are discussed. [less ▲]

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See detailDe notie onderneming: de vennootschappen met sociaal oogmerk in de non-profit sector
Caprasse, Olivier ULg

in Tilleman, Bernard; Terryn, Evelyne (Eds.) Beginselen van Belgisch Privaatrecht (2011)

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See detailIntroduction au droit privé
Gerkens, Jean-François ULg

Learning material (2011)

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See detailScreening for colorectal cancer in asymptomatic average risk patients: role of imaging.
Hock, D.; Ouhadi, R.; Materne, R. et al

in Acta Gastro-Enterologica Belgica (2011), 74(1), 70-6

Early detection of colorectal cancer or advanced adenomas is a public health priority in many industrialized countries. There are various methods of screening average risk individuals for colorectal ... [more ▼]

Early detection of colorectal cancer or advanced adenomas is a public health priority in many industrialized countries. There are various methods of screening average risk individuals for colorectal cancer, and their effectiveness may depend on subjective parameters like local expertise and patient's preferences. This paper reviews these tests with special emphasis regarding imaging techniques that aim to provide less-invasive alternatives to optical colonoscopy (OC) which is the standard of reference. Both Double-Contrast Barium Enema (DCBE) and Virtual Colonoscopy (VC) have >90% sensitivity compared to OC in the detection of clinically relevant colonic lesions. Nevertheless, VC may have an edge over DCBE for technical and reproductivity reasons, as well as greater learning opportunities. Imaging techniques criticisms regarding diminutive and flat lesions, cost, radiation exposure and effects on gastroenterological practice are addressed. [less ▲]

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See detailNonlinear Normal Modes: A Finite Element Approach
Renson, Ludovic ULg; Kerschen, Gaëtan ULg

Conference (2011)

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See detailDe invloed van een muzikale opleiding op de perceptie van de prosodie van een vreemde taal: een verkennend onderzoek
Degrave, Pauline; Rasier, Laurent ULg; Hiligsmann, Philippe

in Rasier, Laurent; Van Heuven, Vincent; Defrancq, Bart (Eds.) et al Nederlands in het perspectief van uitspraakverwerving en contrastieve taalkunde (2011)

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See detailElectrophysiologic recurrent laryngeal nerve monitoring during thyroid and parathyroid surgery:international standards guideline statement
Randolph, Gregory; Dralle, Henning; Abdullah, hisham et al

in Laryngoscope (2011), 121

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See detailDeterminants of high, median and low rates of caesarean deliveries in Belgium
Absil, Gaëtan ULg; Van Parys, A. S.; Bednarek, Stéphanie et al

Report (2011)

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See detailMaxwell rigidity and topological constraints in amorphous phase-change networks
Micoulaut, M.; Otjacques, C.; Raty, Jean-Yves ULg et al

in AIP Conference Proceedings (2011), 1393

By analyzing first-principles molecular-dynamics simulations of different telluride amorphous networks, we develop a method for the enumeration of radial and angular topological constraints, and show that ... [more ▼]

By analyzing first-principles molecular-dynamics simulations of different telluride amorphous networks, we develop a method for the enumeration of radial and angular topological constraints, and show that the phase diagram of the most popular system Ge-Sb-Te can be split into two compositional elastic phases: a tellurium rich flexible phase and a stressed rigid phase that contains most of the materials used in phase-change applications. This sound atomic scale insight should open new avenues for the understanding of phase-change materials and other complex amorphous materials from the viewpoint of rigidity. [less ▲]

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See detailHet geïntegreerde contrastieve onderzoeksdesign onder de loep
Hiligsmann, Philippe; Rasier, Laurent ULg

in Rasier, Laurent; Van Heuven, Vincent; Defrancq, Bart (Eds.) et al Nederlands in het perspectief van uitspraakverwerving en contrastieve taalkunde (2011)

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See detailAlitrétinoïne : une nouvelle arme dans l'eczéma chronique des mains
DEZFOULIAN, Bita ULg; FAILLA, Valérie ULg; RATY, Laurent ULg et al

in Skin Inc (2011)

L'eczéma chronique des mains représente une difficulté thérapeutique majeure en dermatologie, et en particulier, quand l'exploration allergologique ne permet pas d'identifier l'agent responsable de l ... [more ▼]

L'eczéma chronique des mains représente une difficulté thérapeutique majeure en dermatologie, et en particulier, quand l'exploration allergologique ne permet pas d'identifier l'agent responsable de l'affection ou que l'éviction de celui-ci est difficile à obtenir pour raisons professionnelles. La première approche thérapeutique consiste en l'application de dermocorticoïdes. Cependant, leur utilisation chronique n'est pas recommandée en raison de leurs effets secondaires tels que l'atrophie cutanée. L'application topique des inhibiteurs de la calcineurine, comme le tacrolimus ou le pimecrolimus peut être envisagée comme traitement complémentaire. La photothérapie par UVB ou par PUVA est un traitement de deuxième ligne. Le méthotrexate et la ciclosporine sont des médicaments à réserver aux cas graves et multirésistants. L'alitrétinoïne, rétinoïde endogène et agoniste des récepteurs aux rétinoïdes, est une nouvelle thérapeutique contre l'eczéma chronique des mains qui ne répond plus aux dermocorticoïdes et est réfractaire aux autres options thérapeutiques. Plusieurs études randomisées, multicentriques et contrôlées contre placebo ont montré l'efficacité et l'innocuité de l'alitrétinoïne dans l'eczéma chronique des mains résistant aux traitements classiques. [less ▲]

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See detailImpact of Greenland and Antarctic ice sheet interactions on climate sensitivity
Goelzer, H.; Huybrechts, P.; Loutre, M.-F. et al

in Climate Dynamics (2011), 37(5-6), 1005-1018

We use the Earth system model of intermediate complexity LOVECLIM to show the effect of coupling interactive ice sheets on the climate sensitivity of the model on a millennial time scale. We compare the ... [more ▼]

We use the Earth system model of intermediate complexity LOVECLIM to show the effect of coupling interactive ice sheets on the climate sensitivity of the model on a millennial time scale. We compare the response to a 2xCO2 warming scenario between fully coupled model versions including interactive Greenland and Antarctic ice sheet models and model versions with fixed ice sheets. For this purpose an ensemble of different parameter sets have been defined for LOVECLIM, covering a wide range of the model's sensitivity to greenhouse warming, while still simulating the present-day climate and the climate evolution over the last millennium within observational uncertainties. Additional freshwater fluxes from the melting ice sheets have a mitigating effect on the model's temperature response, leading to generally lower climate sensitivities of the fully coupled model versions. The mitigation is effectuated by changes in heat exchange within the ocean and at the sea-air interface, driven by freshening of the surface ocean and amplified by sea-ice-related feedbacks. The strength of the effect depends on the response of the ice sheets to the warming and on the model's climate sensitivity itself. With the ensemble approach in this study we cover a wide range of possible model responses. [less ▲]

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See detail5.04 - Carbon Dioxide and Methane Dynamics in Estuaries
Borges, Alberto ULg; Abril, Gwenaël

in Wolanski, Eric; McLusky, Donald (Eds.) Treatise on Estuarine and Coastal Science, Volume 5: Biogeochemistry (2011)

Estuaries profoundly transform the large amounts of carbon delivered from rivers before their transfer to the adjacent coastal zone. As a consequence of the complex biogeochemical reworking of ... [more ▼]

Estuaries profoundly transform the large amounts of carbon delivered from rivers before their transfer to the adjacent coastal zone. As a consequence of the complex biogeochemical reworking of allochthonous carbon in the sediments and the water column, CO2 and CH4 are emitted into the atmosphere. We attempt to synthesize available knowledge on biogeochemical cycling of CO2 and CH4 in estuarine environments, with a particular emphasis on the exchange with the atmosphere. Unlike CH4, the global emission of CO2 to the atmosphere from estuaries is significant compared to other components of the global carbon cycle [less ▲]

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See detailLa Commission européenne décide de ne pas donner suite à une plainte arguant d’effets de ciseau tarifaire.
Sibony, Anne-Lise ULg

in Concurrences : Revue des Droits de la Concurrence (2011), 1

Comm. eur., déc. C(2010) 4730 du 2 juillet 2010, Vivendi et Iliad/France Telecom, aff. COMP/39653 La Commission européenne décide de ne pas donner suite à une plainte arguant d’effets de ciseau tarifaire.

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See detailCompte rendu de Enzyklopädie des Mittelalters, éd. G. MELVILLE, M. STAUB
Masson, Christophe ULg

in Moyen Age (Le) (2011), CXVII

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See detailL'imperatrice. Le Molte Vite di Indira Gandhi
Maiorano, Diego ULg

in Storia della Storiografia (2011), 58

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See detailOptimal design of multi-subject blocked fMRI experiments.
Maus, Bärbel ULg; van Breukelen, Gerard J P; Goebel, Rainer et al

in NeuroImage (2011), 56(3), 1338-1352

The design of a multi-subject fMRI experiment needs specification of the number of subjects and scanning time per subject. For example, for a blocked design with conditions A or B, fixed block length and ... [more ▼]

The design of a multi-subject fMRI experiment needs specification of the number of subjects and scanning time per subject. For example, for a blocked design with conditions A or B, fixed block length and block order ABN, where N denotes a null block, the optimal number of cycles of ABN and the optimal number of subjects have to be determined. This paper presents a method to determine the optimal number of subjects and optimal number of cycles for a blocked design based on the A-optimality criterion and a linear cost function by which the number of cycles and the number of subjects are restricted. Estimation of individual stimulus effects and estimation of contrasts between stimulus effects are both considered. The mixed-effects model is applied and analytical results for the A-optimal number of subjects and A-optimal number of cycles are obtained under the assumption of uncorrelated errors. For correlated errors with a first-order autoregressive (AR1) error structure, numerical results are presented. Our results show how the optimal number of cycles and subjects depend on the within- to between-subject variance ratio. Our method is a new approach to determine the optimal scanning time and optimal number of subjects for a multi-subject fMRI experiment. In contrast to previous results based on power analyses, the optimal number of cycles and subjects can be described analytically and costs are considered. [less ▲]

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See detailNegations at Medinet Habu
Gillen, Todd Jonathan ULg

Conference (2011)

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See detailBrain natriuretic peptide in asymptomatic degenerative mitral regurgitation: determinants and impact on outcome.
Van de Heyning, C; Magne, Julien ULg; Mahjoub, H et al

Conference (2011)

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