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See detailClivages et débats politiques en Belgique (1850-1914)
Lanneau, Catherine ULg

Conference given outside the academic context (2016)

Ce cours-conférence de 2 heures évoquera quelques grands débats politiques qui ont traversé, comme autant de fils rouges, l’histoire de la Belgique dans la seconde moitié du XIXe siècle. Ceux-ci sont ... [more ▼]

Ce cours-conférence de 2 heures évoquera quelques grands débats politiques qui ont traversé, comme autant de fils rouges, l’histoire de la Belgique dans la seconde moitié du XIXe siècle. Ceux-ci sont encore d’actualité ou, à tout le moins, nous aident à mieux comprendre certaines réalités d’aujourd’hui : 1) les rapports entre l’Eglise et l’Etat, entre les pouvoirs civil et religieux, 2) la question du droit de vote et 3) la question linguistique. [less ▲]

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See detailOptimal Enforcement of Competition Policy: The Commitments Procedure under Uncertainty
Gautier, Axel ULg

Scientific conference (2016, January 19)

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See detailLa modernité des petits : panoramas, physiologies et panthéons
Stienon, Valérie ULg

Scientific conference (2016, January 19)

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See detailProduction de nanocellulose à partir de pâte à papier: Hydrolyse enzymatique et valorisation des coproduits dans une stratégie de bioraffinage forestier intégré
Bombeck, Pierre-Louis ULg; Richel, Aurore ULg; Jacquet, Nicolas ULg et al

Conference (2016, January 19)

Présentation succincte de la thématique de recherche doctorale et de son contexte

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See detailEtude du potentiel des sous-produits vinicoles pour des applications à haute valeur ajoutée
Berchem, Thomas ULg; Jacquet, Nicolas ULg; Richel, Aurore ULg

Conference (2016, January 19)

Grape growing is one of the largest crops around world. Grape pomaces seem to be an interesting source of bio-based molecules but, despite this potential, these byproducts are untapped. Their uses are ... [more ▼]

Grape growing is one of the largest crops around world. Grape pomaces seem to be an interesting source of bio-based molecules but, despite this potential, these byproducts are untapped. Their uses are limited to poor value added applications like composting, agricultural spreading or bioethanol. This work focuses on high value added valorisation possibilities of grape pomace. It takes part in the current trend of using natural bioactive molecules in pharmaceutical, cosmetic or food industry, through the extraction of polyphenols. Firstly, chemical characterization is performed on grape pomace from two grape varieties (Cabernet sauvignon and Pinot noir) in order to determine variability. Secondly, the same approach is applied to grape seeds and skins. Finally, a method of extraction of polyphenols is developed. Results shown in this work tend to indicate a high valorisation potential of grape pomace thank to the identification of compounds like bioactive molecules and especially polyphenols (0.7% in seeds and 0.4% in skins) as well as high concentrations of other compounds in seeds (lignin (43-53%), grape oil (12%), proteins (12%)) and in skins (lignin (20%), tartaric acid (4%), proteins (10%)) of which the valorisation potential from wine-making byproducts needs to be explored. [less ▲]

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See detailTradeoffs between Maize Silage Yield and Nitrate Leaching in a Mediterranean Nitrate- Vulnerable Zone under Current and Projected Climate Scenarios
Basso, Bruno; Giola, Pietro; Dumont, Benjamin ULg et al

in PLoS ONE (2016), 11(1): e0146360

Future climatic changes may have profound impacts on cropping systems and affect the agronomic and environmental sustainability of current N management practices. The objectives of this work were to i ... [more ▼]

Future climatic changes may have profound impacts on cropping systems and affect the agronomic and environmental sustainability of current N management practices. The objectives of this work were to i) evaluate the ability of the SALUS crop model to reproduce experimental crop yield and soil nitrate dynamics results under different N fertilizer treatments in a farmer’s field, ii) use the SALUS model to estimate the impacts of different N fertilizer treatments on NO3- leaching under future climate scenarios generated by twenty nine different global circulation models, and iii) identify the management system that best minimizes NO3- leaching and maximizes yield under projected future climate conditions. A field experiment (maize-triticale rotation) was conducted in a nitrate vulnerable zone on the west coast of Sardinia, Italy to evaluate N management strategies that include urea fertilization (NMIN), conventional fertilization with dairy slurry and urea (CONV), and no fertilization (N0). An ensemble of 29 global circulation models (GCM) was used to simulate different climate scenarios for two Representative Circulation Pathways (RCP6.0 and RCP8.5) and evaluate potential nitrate leaching and biomass production in this region over the next 50 years. Data collected from two growing seasons showed that the SALUS model adequately simulated both nitrate leaching and crop yield, with a relative error that ranged between 0.4% and 13%. Nitrate losses under RCP8.5 were lower than under RCP6.0 only for NMIN. Accordingly, levels of plant N uptake, N use efficiency and biomass production were higher under RCP8.5 than RCP6.0. Simulations under both RCP scenarios indicated that the NMIN treatment demonstrated both the highest biomass production and NO3- losses. The newly proposed best management practice (BMP), developed from crop N uptake data, was identified as the optimal N fertilizer management practice since it minimized NO3- leaching and maximized biomass production over the long term. [less ▲]

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See detailLa médecine dans l’œil du cyclone
COUCKE, Philippe ULg

in Le spécialiste (2016)

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See detailChemometrics and vibrational spectroscopy for the detection of melamine levels in milk
Fernandez Pierna, Juan; Vincke, Damien; Baeten, Vincent et al

Poster (2016, January 19)

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See detailAssessment of thermal comfort in existing pre-1945 residential building stock
Singh, M.K.; Attia, Shady ULg; Mahapatra, Sadha et al

in Energy (2016), 98(March), 122-134

The building sector is the third-largest consumer of primary energy in Belgium. This is partly because of the high percentage of old buildings (buildings constructed before 1945) in its building stock ... [more ▼]

The building sector is the third-largest consumer of primary energy in Belgium. This is partly because of the high percentage of old buildings (buildings constructed before 1945) in its building stock. Existing international standards on thermal comfort focus primarily on new construction and commercial buildings but tend to overlook old buildings. This study involves a thermal comfort assessment of fully functional (in use) residential buildings constructed before 1945 in Liège (Belgium). The research methodology is based on continuous long term monitoring of the indoor environment (November 2011 to May 2012) and followed by comfort surveys for selected houses in the city. The analysis of the collected data shows that family composition, envelope performance and the occupants' interaction with the indoor environment greatly affected occupant preferences and functioning of the indoor thermal environment. This study reveals that the occupants' interaction with the indoor thermal environment to restore comfortable thermal conditions varies throughout the day, by adjusting the temperature in different rooms of the house at different times of the day. This study argues that modern comfort standards have failed to estimate the comfort level in these old buildings and, if applied, they would lead to under estimation of their thermal comfort. [less ▲]

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See detailFeasibility of improving a priori regional climate model estimates of Greenland ice sheet surface mass loss through assimilation of measured ice surface temperatures
Navari, M.; Margulis, S.A.; Bateni, S.M. et al

in Cryosphere (The) (2016), 10

The Greenland ice sheet (GrIS) has been the focus of climate studies due to its considerable impact on sea level rise. Accurate estimates of surface mass fluxes would contribute to understanding the cause ... [more ▼]

The Greenland ice sheet (GrIS) has been the focus of climate studies due to its considerable impact on sea level rise. Accurate estimates of surface mass fluxes would contribute to understanding the cause of its recent changes and would help to better estimate the past, current and future contribution of the GrIS to sea level rise. Though the estimates of the GrIS surface mass fluxes have improved significantly over the last decade, there is still considerable disparity between the results from different methodologies (e.g., Rae et al., 2012; Vernon et al., 2013). The data assimilation approach can merge information from different methodologies in a consistent way to improve the GrIS surface mass fluxes. In this study, an ensemble batch smoother data assimilation approach was developed to assess the feasibility of generating a reanalysis estimate of the GrIS surface mass fluxes via integrating remotely sensed ice surface temperature measurements with a regional climate model (a priori) estimate. The performance of the proposed methodology for generating an improved posterior estimate was investigated within an observing system simulation experiment (OSSE) framework using synthetically generated ice surface temperature measurements. The results showed that assimilation of ice surface temperature time series were able to overcome uncertainties in near-surface meteorological forcing variables that drive the GrIS surface processes. Our findings show that the proposed methodology is able to generate posterior reanalysis estimates of the surface mass fluxes that are in good agreement with the synthetic true estimates. The results also showed that the proposed data assimilation framework improves the root-mean-square error of the posterior estimates of runoff, sublimation/evaporation, surface condensation, and surface mass loss fluxes by 61, 64, 76, and 62 %, respectively, over the nominal a priori climate model estimates. [less ▲]

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See detailDiagnostic préalable à un contrat d'axe sur la ligne SNCB 40 Liège-Guillemins - Visé. Etude du potentiel de l'outil contrat d'axe en Wallonie et de la densification des gares de la ligne 40
Wilmotte, Pierre-François ULg

Master's dissertation (2016)

Le travail vise à alimenter la réflexion menée par le consortium Pluris - Trame - B. Bianchet à propos de l'élaboration d'un Schéma de Développement Territorial (SDT) pour l'arrondissement de Liège : d ... [more ▼]

Le travail vise à alimenter la réflexion menée par le consortium Pluris - Trame - B. Bianchet à propos de l'élaboration d'un Schéma de Développement Territorial (SDT) pour l'arrondissement de Liège : d'une part, étudier le potentiel des quartiers de gare en région liégeoise et, d'autre part, à voir si l'outil des "Contrats d'axe", développés en France, pourrait être pertinent dans le cadre wallon. La recherche a été appliquée à un axe ferroviaire de la région de Liège. [less ▲]

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See detailLes leçons belges de Fukushima
Gemenne, François ULg; Hasegawa, Reiko ULg

Article for general public (2016)

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See detailUse of response surface methodology to optimize samples preparations in laboratory
Daems, Frédéric ULg; Romnee, Jean-Michel; Lognay, Georges ULg

Conference (2016, January 17)

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See detailMy First Fifty Tweets
Choffray, Jean-Marie ULg

Diverse speeche and writing (2016)

“Sharing” is not as simple as it sounds. Over the last few years, at the University of Liège (Belgium), we have been surprised and delighted by the resounding success of Orbi, our Open Repository and ... [more ▼]

“Sharing” is not as simple as it sounds. Over the last few years, at the University of Liège (Belgium), we have been surprised and delighted by the resounding success of Orbi, our Open Repository and Bibliography platform. As a “young” Professor Emeritus – don’t smile, sooner than you think, you will retire too! –, I wondered how to best share what I had learned – and am still learning today –, in my field of research and interest: “Internet-Based Global Investing”. I think that I finally found a solution. It’s called Twitter. And even if it’s not perfect, I have learned the hard way to make decisions that were approximately right, rather than precisely wrong! [less ▲]

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See detailBiomarqueurs dans l'arthrose et acide hyaluronique
Henrotin, Yves ULg

Conference (2016, January 16)

Detailed reference viewed: 27 (2 ULg)
See detailConférence-rencontre avec José Parrondo
Dejasse, Erwin ULg

Conference given outside the academic context (2016)

Detailed reference viewed: 12 (0 ULg)
See detailVidéographies Underground : l'art vidéo dans les années 70. Rencontre avec Jacques Charlier et Jean-Claude Riga
Tomasovic, Dick ULg

Conference given outside the academic context (2016)

Description du contexte de l'art vidéo en Belgique et animation d'une rencontre avec Robert Stéphane, Jacques Charlier et Jean-Claude Riga.

Detailed reference viewed: 6 (0 ULg)