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See detailDiffuse urban and industrial groundwater pollution with metallic trace elements: a comparison between affected and unaffected areas
Gesels, Julie ULg; Dollé, Fabien ULg; Leclercq, Julie et al

Poster (2012, September 20)

For metalic trace elements, spatially distributed background concentrations will be defined as a function of geological and hydrogeological context and considering the impact of diffuse pollution.

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See detailDiffuse xanthomatosis as a presenting feature of multiple myeloma.
Segner, Sophie; Theate, Ivan; Poire, Xavier et al

in European Journal of Haematology (2010), 84

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See detailLa diffusion des Blattmasken dans le bassin Méditerranéen. Entre tradition et innovation
Derwael, Stéphanie ULg

in Actes du colloque "Colloque La diffusion des répertoires décoratifs en Méditerranée antique et médiévale" (2017)

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See detailLa diffusion des idées nouvelles dans la principauté de Liège au XVIIIe siècle
Droixhe, Daniel ULg

in Bulletin du Crédit communal (1981), 138

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See detailLa diffusion du livre italien en langue vulgaire dans les pays wallons de 1500 à 1630
Adam, Renaud ULg; Bingen, Nicole

Scientific conference (2013, November 15)

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See detailDiffusion du WOCCQ : le temps de l’évaluation
Peters, Stéphanie ULg; Bracci, Elisa; Hansez, Isabelle ULg

Conference given outside the academic context (2005)

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See detailDiffusion et institutionnalisation des normes internationales : France, OMC/UNESCO et l’enjeu de la diversité culturelle
Vlassis, Antonios ULg

in Cahiers de recherche de l'Institut d'études internationales de Montréal (2007)

Le commerce et les biens culturels sont une source perpétuelle d’antagonisme et de désaccords tant au niveau national qu’international. La culture est un champ d’intérêt commercial considérable ainsi ... [more ▼]

Le commerce et les biens culturels sont une source perpétuelle d’antagonisme et de désaccords tant au niveau national qu’international. La culture est un champ d’intérêt commercial considérable ainsi qu’une expression profondément significative du patrimoine national et du dynamisme artistique. D’ailleurs, la culture est inéluctablement vouée à osciller entre la sphère artistique et la sphère marchande. La nature ambiguë et équivoque des activités et des expressions culturelles - et en particulier audiovisuelles - suspendues entre l’art et l’industrie, entre la production symbolique et la production matérielle, suscite de plus en plus un débat politique à la fois virulent et polémique sur la scène internationale. La question de la préservation de la diversité des expressions culturelles et la nécessité de la protection « des écosystèmes culturels » dans le contexte de globalisation croissante économique et financière a pris depuis une quinzaine d’années une ampleur, difficilement imaginée auparavant. En effet, la problématique de base qui est soulevée est celle de la circulation des produits culturels à l’échelle mondiale, régionale, ainsi que nationale et celle du traitement à accorder aux biens/services culturels et artistiques dans les accords commerciaux internationaux. [less ▲]

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See detailDiffusion et réception de l’architecture moderne à Liège (1928-1939)
Charlier, Sébastien ULg

Doctoral thesis (2015)

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See detailDiffusion et réception des théories du mouvement moderne à Liège de 1928 à 1939
Charlier, Sébastien ULg

in Bulletin d'Information de l'Association Belge d'Histoire Contemporaine = Mededelingenblad van de Belgische Vereniging voor Nieuwste Geschiedenis (2011), XXXIII(4), 23-26

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See detailDiffusion MRI for following tumor modifications after neoadjuvant radiotherapy.
LALLEMAND, François ULg; Leroi, Natacha ULg; Bahri, Mohamed Ali ULg et al

in Radiotherapy & Oncology (2016), 119

Neoadjuvant radiotherapy (NeoRT) improves tumor local control and tumor resection in many cancers. The timing between the end of the NeoRT and surgery is driven by the occurrence of side effects or the ... [more ▼]

Neoadjuvant radiotherapy (NeoRT) improves tumor local control and tumor resection in many cancers. The timing between the end of the NeoRT and surgery is driven by the occurrence of side effects or the tumor downsizing. Some studies demonstrated that the timing of surgery and the RT schedule could influence tumor dissemination and subsequently patient overall survival. We demonstrated the impact of NeoRT on metastatic spreading in a Scid mice model. After an irradiation of 2x5gy, we show more metastasis in the lung when the mice are operated at day 4 compared to day 11. Here, our aim is to evaluate with functional MRI (fMRI) the impact of the radiation treatment on the tumor microenvironment and subsequently to identify non-invasive markers helping to determine the best timing to perform surgery for avoiding tumor spreading. [less ▲]

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See detailDiffusion of Ag dimer on Cu (110) by dissociation-reassociation and concerted jump processes
Sbiaai, K.; Boughaleb, Y.; Raty, Jean-Yves ULg et al

in International Conference on Transparent Optical Networks (2012)

In this work we investigate the diffusion of Ag dimer on Cu(110) surface by molecular dynamics simulation based on semi-empirical many-body potentials derived from the embedded atom method. The ... [more ▼]

In this work we investigate the diffusion of Ag dimer on Cu(110) surface by molecular dynamics simulation based on semi-empirical many-body potentials derived from the embedded atom method. The dissociation-reassociation process is predicted to be dominant in static regime and this is confirmed by the dynamic investigation. A good agreement is found between static activation barrier and dynamic potential barrier. © 2012 IEEE. [less ▲]

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See detailDiffusion of copper in the animal kingdom
Fredericq, Léon ULg

in Nature (1880), XXXI

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See detailDiffusion Tensor Imaging to Predict Long-term Outcome after Cardiac Arrest: A Bicentric Pilot Study.
Luyt, Charles-Edouard; Galanaud, Damien; Perlbarg, Vincent et al

in Anesthesiology (2012), 117(6), 1311-1321

BACKGROUND: Prognostication in comatose survivors of cardiac arrest is a major clinical challenge. The authors' objective was to determine whether an assessment with diffusion tensor imaging, a brain ... [more ▼]

BACKGROUND: Prognostication in comatose survivors of cardiac arrest is a major clinical challenge. The authors' objective was to determine whether an assessment with diffusion tensor imaging, a brain magnetic resonance imaging sequence, increases the accuracy of 1 yr functional outcome prediction in cardiac arrest survivors. METHODS:: Prospective, observational study in two intensive care units. Fifty-seven comatose survivors of cardiac arrest underwent brain magnetic resonance imaging. Fractional anisotropy (FA), a diffusion tensor imaging value, was measured in predefined white matter regions, and apparent diffusion coefficient was assessed in predefined grey matter regions. Prediction of unfavorable outcome at 1 yr was compared using four prognostic models: FA global, FA selected, apparent diffusion coefficient, and clinical classifiers. RESULTS:: Of the 57 patients included in the study, 49 had an unfavorable outcome at 12 months. Areas under the receiver operating characteristic curve (95% CI) to predict unfavorable outcome for the FA global, FA selected, clinical, and apparent diffusion coefficient models were 0.92 (0.82-0.98), 0.96 (0.87-0.99), 0.78 (0.65-0.88), and 0.86 (0.74-0.94), respectively. The FA selected model had the best overall accuracy for predicting outcome, with a score above 0.44 having 94% (95% CI, 83-99%) sensitivity and 100% (95% CI, 63-100%) specificity for the prediction of unfavorable outcome. CONCLUSION:: Quantitative diffusion tensor imaging indicates that white matter damage is widespread after cardiac arrest. A prognostic model based on FA values in selected white matter tracts seems to predict accurately 1 yr functional outcome. These preliminary results need to be confirmed in a larger population. [less ▲]

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See detailDiffusion-based models for predicting sound fields in rooms with mixed specular and diffuse reflection
Foy, Cédric; Billon, Alexis ULg; Valeau, Vincent et al

Conference (2007, September)

A diffusion model, based on the numerical solution of a diffusion equation, was developed in the past to give accurate predictions of the sound-pressure level and of the sound decay at any location in a ... [more ▼]

A diffusion model, based on the numerical solution of a diffusion equation, was developed in the past to give accurate predictions of the sound-pressure level and of the sound decay at any location in a single enclosure or in coupled rooms. However, this model is limited to rooms with diffusely reflecting walls. In this study, two methods are presented to extend this model to rooms with mixed specular and diffuse reflections, defined by the classical room-acoustics scattering coefficient. The first method models the reverberant field by using a modified diffusion process, with an empirical diffusion constant departing from the theoretical one based on the mean free path. The set of these coefficients, which depend on the scattering coefficient, has been found empirically to fit the results given by a ray-tracing program. The second method is a hybrid approach. The reverberant sound field due to the diffuse reflections is first obtained with the original diffusion model. Then the sound field due to the specular reflections is modelled with an image-source model. The results given by the two approaches are compared to experimental data obtained for several types of rooms (a classroom, an office and some long rooms). [less ▲]

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See detailDiffusion-weighted MR imaging: adjunct or alternative to T1-weighted MR imaging for prostate carcinoma bone metastases?
Lecouvet, Frédéric. E.; Vande Berg, Bruno. C.; Malghem, Jacques et al

in Radiology (2009), 252(2), 624

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See detailDiffusive equilibrium elements
Fraeijs de veubeke, Baudouin ULg

Scientific conference (1973, July)

Equiliobrium models are characterized by an internal stress field in equilibrium and surface tractions that should obey the diffusivity requirement of reciprocity with adjacent elements at the interfaces ... [more ▼]

Equiliobrium models are characterized by an internal stress field in equilibrium and surface tractions that should obey the diffusivity requirement of reciprocity with adjacent elements at the interfaces. Thepaper discusses the construction of stiffness matices for such elements and the difficulties associated with the presence of mechanisms. The use of first order or second order stress functions is presented together with the possibility of solving the final equations by the force method through a direct flexibility method. Three methods are presented for getting rid of thre machanisms: the classical superelement technique, a method based on the discretization of rotational equilibrium and quasi-diffusivity. [less ▲]

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