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See detailTests de performance NEMA NU1-2001 des cameras TEMP et TEMP/TDM Philips Brightview
Seret, Alain ULg

in Médecine Nucléaire : Imagerie Fonctionnelle et Métabolique (2010, May), 34(5), 284

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See detailBiased symptoms attribution and radiation therapy for breast cancer: prevalence, changes over time and impact on distress
Bonamis, O.; Liénard, A.; Merckaert, I. et al

in Psycho-oncology (2010, May), 19(Suppl.2)(1-313), 133

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See detailCancer patient's qaulity of life : importance of goal's and hierarchy's adjustement
Etienne, Anne-Marie ULg; Dupuis, G.; Conradt, S. et al

in Psycho-oncology (2010, May), 19(Suppl.2)(1-313), 151

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See detailIs it possible to improve residents' breaking bad news skills in a simulated three-person consultation? A randomized study assessing the efficacy of a communicatin skills training program
Liénard, A.; Merckaert, I.; Libert, Y. et al

in Psycho-oncology (2010, May), 19(Suppl.2)(1-313), 96

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See detailThe earthquake sedimentary record of the Marmara Sea, Turkey
Drab, Laureen; Hubert, Aurelia ULg; Schmidt, Sabine et al

in Geophysical Research Abstracts (2010, May)

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See detailConsequences of laparoscopy on liver ischemia during portal triad clamping in a swine model
Nsadi, Berthier; Pire, E.; Gilson, Nathalie ULg et al

in Acta Chirurgica Belgica (2010, April), 110

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See detailTemperature wrinkling prediction in metal/polymer multilayer coatings
Zhang, Lihong ULg; Ben Bettaieb, Amine ULg; Habraken, Anne ULg et al

in International Journal of Material Forming (2010, April), 3(supplement 1), 559-562

Two modeling approaches, analytical and numerical ones were carried out to simulate the mechanical behaviour of a coated metal steel sheet under thermo-mechanical loads. As the metallic film and the ... [more ▼]

Two modeling approaches, analytical and numerical ones were carried out to simulate the mechanical behaviour of a coated metal steel sheet under thermo-mechanical loads. As the metallic film and the polymer layer have different dilatation coefficients, temperature increase and/or humidity variation can result in a compressive state in the metallic film, and yield to bucking. This phenomenon is called wrinkling. It can be prevented by a stiff polymer layer or a stable film due to adapted thickness and mechanical properties. Wrinkling phenomenon has received increasing attention because of important uses of polymeric coating in many industrial applications. To better understand and predict this phenomenon, analytical and numerical models have been developed and compared. [less ▲]

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See detailDonation after Cardiac Death In Liver Transplantation :is donor age an issue?
Detry, Olivier ULg; De Roover, Arnaud ULg; Squifflet, Jean-Paul ULg et al

in Acta Chirurgica Belgica (2010, April), 110

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See detailEffects of large pore hemofiltration in a swine model of fulminant hepatic failure
Detry, Olivier ULg; Janssen, Nathalie ULg; Cheramy-Bien, Jean-Paul ULg et al

in Acta Chirurgica Belgica (2010, April), 110

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See detailTowards positional identification of susceptibility loci for White Heifer disease in Belgian Blue Cattle (poster)
Sartelet, Arnaud ULg; Druet, Tom ULg; Coppieters, Wouter ULg et al

in New Biotechnology (2010, April), 27(Supplement 1), 79

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See detailCharacterization and impact of reduced copper plating overburden on 45 nm interconnect performances
Dubreuil, Olivier ULg; Caubet-Hilloutou, Véronique; Guillan, Julie et al

in Microelectronic Engineering (2010, March), 87(3),

During first metal level interconnects fabrication, a controlled modification of the electro-deposited copper over-deposition (overburden) is performed using a partial chemical–mechanical polishing (CMP ... [more ▼]

During first metal level interconnects fabrication, a controlled modification of the electro-deposited copper over-deposition (overburden) is performed using a partial chemical–mechanical polishing (CMP) step. Next, copper microstructure is stabilized with a short duration hot-plate anneal. Overburden is then removed during CMP end-of-step. Ionic microscopy and EBSD observations of overburden thickness reduction reveal that copper grain growth occurs differently, according to patterned geometries and with a strong (1 1 1) texture, as observed in modified films. Reduction of overburden thickness also reveals the capacity of anneal temperature to impact electrical performances. Reliability is impacted for thinnest wires. [less ▲]

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See detailLa sémiotique visuelle entre principes généraux et spécificités. A partir du Groupe µ
Dondero, Maria Giulia ULg

in Nouveaux Actes Sémiotiques (2010, February 02)

Cette étude vise à examiner les raisons pour lesquelles la sémiotique a toujours éprouvé de grandes difficultés à élaborer une théorie des mécanismes généraux de la signification — la transversalité du ... [more ▼]

Cette étude vise à examiner les raisons pour lesquelles la sémiotique a toujours éprouvé de grandes difficultés à élaborer une théorie des mécanismes généraux de la signification — la transversalité du sens par rapport aux différents médias est un de plus grands défis qu’elle s’est donnés — qui, en même temps, rende les énoncés analysables (en effet, le sens de ces derniers ne peut être établi que si on prend en compte la spécificité des substances de leur expression et de leur fonctionnement des culturel). D’un côté, les dernières décennies ont vu surgir des « théories de champ » (théorie de la peinture, de la photographie, du cinéma, etc.) mettant en avant la spécificité des différentes formes expressives ; de l’autre la sémiotique a produit des théories de la signification si générales qu’elles sont impuissantes à mener l’analyse de ces formes expressives (ce qui l’a amené à étudier les organisations discursives indépendamment du parcours génératif de l’expression). Les travaux du Groupe μ démontrent la possibilité de dépasser cette contradiction. S’ils y arrivent, c’est parce qu’ils affrontent la question générale de la perception — manifestation matérielle des signifiants des énoncés textuels — et la question pratique de la production du signe, sans pour autant réifier la spécificité matérielle des énoncés. [less ▲]

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See detailProspects for the study of dust making Wolf-Rayet binaries with the VLTI-Spectro-Imager (VSI)
De Becker, Michaël ULg; Filho, M.; Harries, T.

in Revista Mexicana de Astronomía y Astrofísica (2010, February), 38

In response to ESO's call for proposals for second generation instruments for the Very Large Telescope Interferometer (VLTI), a consortium has proposed to design and develop the VLTI-Spectro-Imager (VSI ... [more ▼]

In response to ESO's call for proposals for second generation instruments for the Very Large Telescope Interferometer (VLTI), a consortium has proposed to design and develop the VLTI-Spectro-Imager (VSI). In the context of the Phase A study, a science group has prepared a science case taking advantage of the expected performances of VSI. Among several science topics, the case of dust making Wolf-Rayet binaries producing the so-called pinwheel nebulae has been considered. Here, we review the main specifications of VSI, and we provide preliminary results expected to illustrate the imaging capabilities of VSI, and the interest for the study of pinwheel nebulae similar to those formed close to well-known systems such as WR98a and WR104. [less ▲]

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See detailLong baseline interferometry: a promising tool for multiplicity investigations of massive stars
De Becker, Michaël ULg

in Revista Mexicana de Astronomía y Astrofísica (2010, February), 38

Massive binaries are crucial laboratories that allow us to investigate processes occurring in quite extreme conditions, such as particle acceleration, high-energy emission, or even dust formation. All ... [more ▼]

Massive binaries are crucial laboratories that allow us to investigate processes occurring in quite extreme conditions, such as particle acceleration, high-energy emission, or even dust formation. All these processes are intimately dependent on binarity. Our understanding of the underlying physics strongly requires preliminary multiplicity studies likely to uncover still undetected binaries, and determine their orbital parameters. However, classical spectroscopic approaches sometimes fail to provide a solution to this issue. Long baseline interferometry turns out to be a promising complementary technique to address the question of the multiplicity of massive stars. A campaign has been initiated with the VLTI to take benefit of this technique. [less ▲]

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See detailCross talk between dendritic and natural killer cells in the presence of vaccine agent against cervical cancer
Langers, Inge ULg; Renoux, Virginie ULg; Reschner, Anca ULg et al

in Belgian Journal of Medical Oncology [=BJMO] (2010, January 30), 4

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See detailDeterminants of blood pressure control in hypertensive patients seen in third referral centers
Persu, Alexandre; Ngueta, G.; Krzesinski, Jean-Marie ULg et al

in Acta Clinica Belgica (2010, January 02), 65(1), 68

This work was designed to look for the main characteristics of hypertensive patients seen in Academic Centers from Belgium, with special emphasis on factors influencing blood pressure (BP) control.

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See detailA Platform for High Performance and Flexible Virtual Routers on Commodity Hardware
Egi, Norbert; Greenhalgh, Adam; Handley, Mark et al

in ACM SIGCOMM Computer Communication Review (2010, January)

Multi-core CPUs, along with recent advances in memory and buses, render commodity hardware a strong candidate for software router virtualization. In this context, we present the design of a new platform ... [more ▼]

Multi-core CPUs, along with recent advances in memory and buses, render commodity hardware a strong candidate for software router virtualization. In this context, we present the design of a new platform for virtual routers on modern PC hardware. We further discuss our design choices in order to achieve both high performance and flexibility for packet processing. [less ▲]

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See detailLepton flavor violation in SUSY left-right symmetric theories
Vicente, Avelino ULg

in Journal of Physics: Conference Series (2010), 259

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See detailEfficiency of day seven collection of bovine embryosafter superovulation by flushing the oviducts and the uterin horns.
Havlicek, V.; Kuzmany, A.; Beckers, Jean-François ULg et al

in Reproduction, Fertility and Development (2010), 22(1), 363

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See detailHepatic dysfunction or failure favours ICU-acquired infections
MASSION, Paul ULg; LEDOUX, Didier ULg; DAMAS, Pierre ULg

in Intensive Care Medicine (2010), 36(Suppl 2), 2560681

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See detailLes cultes isiaques à Emporion
Puccio, Laetizia ULg

in Pallas : Revue d'Etudes Antiques (2010), 84

This article presents a new interpretation of the temple M's content placed in the so-called sanctuary of Asklepios in Emporion. The sculptures are related to an inscription of the area and also to a ... [more ▼]

This article presents a new interpretation of the temple M's content placed in the so-called sanctuary of Asklepios in Emporion. The sculptures are related to an inscription of the area and also to a sigilado glass and chandeliers that come from the Roman city. All this proves the presence of an Egyptian worship in Emporion more complex than earlier. [less ▲]

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See detail« Husserl et les limites du modèle intentionnaliste de la conscience »
Gyemant, Maria ULg

in Studia Europeae (2010), LV(3), 63-87

This paper aims to ask the question whether, in Husserl’s perspective, all consciousness is intentional and to explore the alternatives. Thus, we have proceeded to a thorough analysis of Husserl’s texts ... [more ▼]

This paper aims to ask the question whether, in Husserl’s perspective, all consciousness is intentional and to explore the alternatives. Thus, we have proceeded to a thorough analysis of Husserl’s texts concerning temporality and the rather bizarre type of intentionality that it implies. The examining of this intentionality that Husserl calls “longitudinal intentionality” has brought us to the conclusion that its intentional character incomprehensible unless we change our very concept of intentionality which cannot be anymore that of an object-relation, as it were defined in the Logical Investigations. It is, therefore, the very limit of intentionality that is revealed by our questioning the time-consciousness in Husserl. [less ▲]

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See detailF1FO ATP synthase mutants in Chlamydomonas: Stability and oligomycin resistance mediated by atypical Asa7 protein; interaction between chloroplastic and mitochondrial bioenergetics
Lapaille, Marie ULg; Escobar-Ramírez, Adelma; Degand, Hervé et al

in Biochimica et Biophysica Acta (BBA) - Bioenergetics (2010), 1797(Supplement 1), 29

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See detailOn Learning Subtypes of the Part-Whole Relation: Do Not Mix Your Seeds
Ittoo, Ashwin ULg; Bouma, Gosse

in Proceedings of the Association for Computational Linguistics (2010)

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See detailLong-term trend of carbon tetrachloride (CCl4) from ground-based high resolution infrared solar spectra recorded at the Jungfraujoch
Rinsland, Curtis P.; Mahieu, Emmanuel ULg; Demoulin, Philippe ULg et al

in Geophysical Research Abstracts (2010), 12(EGU2010-1819-3),

The long-term trend of carbon tetrachloride (CCl4) has been retrieved from infrared high resolution solar absorption spectra encompassing the 1999 to 2010 time period. The measurements were recorded with ... [more ▼]

The long-term trend of carbon tetrachloride (CCl4) has been retrieved from infrared high resolution solar absorption spectra encompassing the 1999 to 2010 time period. The measurements were recorded with a Fourier transform spectrometer at the northern mid-latitude, high altitude Jungfraujoch station in Switzerland (46.5°N latitude, 8.0°E longitude, 3580 m altitude). Total columns were derived from the region of the strong CCl4 _3 band at 794 cm􀀀1 accounting for all interfering molecules (e.g. H2O, O3) with significant improvement in the residuals obtained by also taking into account the line mixing in a nearby CO2 Q branch, a procedure not implemented in previous remote sensing CCl4 retrievals though its importance has been noted in several papers. The time series shows a statistically-significant long-term decrease in the CCl4 total atmospheric burden of -1.18_0.10 %/yr, at the 95% confidence level, using 2005 as reference. Furthermore, fit to the total column data set also reveals a seasonal cycle with a peak-to-peak amplitude of 10.2%, with minimum and maximum values found in mid-February and early August, respectively. This seasonal modulation can however be attributed to tropopause height changes throughout the season. The results quantify the continued impact of the regulations implemented by the Montreal Protocol and its strengthening amendments and adjustments for a molecule with high global warming potential. Although a statistically significant decrease in the total column is inferred, the CCl4 molecule remains an important contributor to the stratospheric chlorine budget and burden. [less ▲]

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See detailBaryon to meson transition distribution amplitudes and their spectral representation
Pire, Bernard; Semenov-Tyan-Shanskiy, Kirill ULg; Szymanowski, Lech

in AIP Conference Proceedings (2010), 1350

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See detailTrends of CO2, CH4 and N2O over 1985-2010 from high-resolution FTIR solar observations at the Jungfraujoch station
Duchatelet, Pierre ULg; Mahieu, Emmanuel ULg; Zander, Rodolphe ULg et al

in Geophysical Research Abstracts (2010), 12(EGU2010-15418-2),

Two state-of-the-art Fourier Transform Infrared (FTIR) spectrometers are operated at the Jungfraujoch station (46.5ºN, 8.0ºE, 3580m asl) within the framework of the Network for the Detection of ... [more ▼]

Two state-of-the-art Fourier Transform Infrared (FTIR) spectrometers are operated at the Jungfraujoch station (46.5ºN, 8.0ºE, 3580m asl) within the framework of the Network for the Detection of Atmospheric Composition Change (NDACC, visit http://www.ndacc.org). The earliest FTIR observations have been obtained there in 1984. Since then, regular recordings of high-resolution solar absorption spectra have been performed at that site, under clear-sky conditions, allowing to collect almost 29000 observations relevant to the present communication. We present time series of three greenhouse gases targeted by the Kyoto Protocol: CO2, CH4 (and its isotopologue 13CH4) and N2O. These data sets have been obtained with the SFIT-2 algorithm which implements the Optimal Estimation Method of Rodgers (1990). This allows retrieving total columns of the target gases as well as information on their distribution with altitude. For the methane isotopologues and N2O, a Tikhonov L1 regularization scheme has been applied, as part of an harmonization effort carried out within the European HYMN project (see also Dils et al, 2010; Foster et al., 2010). Trends –and their associated uncertainties– characterizing these long series as well as the seasonal modulations have been determined with a statistical tool using bootstrap resampling (Gardiner et al., 2008). Trend values will be presented and critically discussed; in particular, we will investigate if significant changes in the rate of accumulations of these four atmospheric gases occurred over the last 25 years. Numerous additional greenhouse gases are accessible to the FTIR technique. Examples of such trend studies are reported at the EGU General Assembly by Mahieu et al. (2010) and Rinsland et al. (2010). [less ▲]

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See detailBone Turnover During Pregnancy in Horses
Greiner, Claudia; Cavalier, Etienne ULg; Remy, Benoit et al

in Journal of Bone and Mineral Research (2010), 25

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See detailAge related change in NREM slow oscillations rebound after sleep deprivation
Lafortune, M; Viens, I; Poirier, G et al

in Journal of Sleep Research (2010), 19(Suppl. 2),

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See detailT-odd Transverse Momentum Distributions in Quark Models
Courtoy, Aurore ULg

in PoS - Proceedings of Science (2010), LC2010

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See detailSelective involvement of the right dorsal occipital stream for the spatial processing of sounds in early blind subjects
Collignon, O; Vandewalle, Gilles ULg; Voss, P et al

in Journal of Cognitive Neuroscience (2010), 22(Suppl. 1),

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See detailMesure du volume de fin d'expiration (VFE) en cours de ventilation contrôlée après chirurgie cardiaque
MARCHAL, Vanessa; SOTTIAUX, Thierry; PUJOL, B et al

in Réanimation (2010), 19(Suppl 1), 180325

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See detailLa récupération dans la bande dessinée francophone contemporaine : Par-delà récupérants et récupérés
Habrand, Tanguy ULg

in Textyles : Revue des Lettres Belges de Langue Française (2010), 36-37

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See detailServices de soins et services à domicile en Belgique - Inventaire des activités de soin et d'aide chez les infirmières et aides-soignantes
Heyden, Isabelle ULg; Tancredi; Gosset, Christiane ULg

in Revue d'Epidémiologie et de Santé Publique = Epidemiology and Public Health (2010), S58

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See detailImplicit Real Vector Automata
Boigelot, Bernard ULg; Brusten, Julien ULg; Degbomont, Jean-François ULg

in Electronic Proceedings in Theoretical Computer Science [=EPTCS] (2010), 39

This paper addresses the symbolic representation of non-convex real polyhedra, i.e., sets of real vectors satisfying arbitrary Boolean combinations of linear constraints. We develop an original data ... [more ▼]

This paper addresses the symbolic representation of non-convex real polyhedra, i.e., sets of real vectors satisfying arbitrary Boolean combinations of linear constraints. We develop an original data structure for representing such sets, based on an implicit and concise encoding of a known structure, the Real Vector Automaton. The resulting formalism provides a canonical representation of polyhedra, is closed under Boolean operators, and admits an efficient decision procedure for testing the membership of a vector. [less ▲]

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See detailThe Na-rich phosphate minerals from Malpensata granitic pegmatite, Piona, Lecco province, Italy
Vignola, Pietro; Hatert, Frédéric ULg; Fransolet, André-Mathieu ULg et al

in Acta Mineralogica-Petrographica, Abstract series (2010), 6

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See detailEstimating pCO2 from remote sensing in the Belgian coastal zone
Borges, Alberto; Ruddick, Kevin; Lacroix, Geneviève et al

in ESA Special Publication SP-686 (2010)

In coastal waters, a purely field observation based approach will probably be insufficient to better constrain estimates of air-sea CO2 fluxes, to study their inter-annual variability and their long-term ... [more ▼]

In coastal waters, a purely field observation based approach will probably be insufficient to better constrain estimates of air-sea CO2 fluxes, to study their inter-annual variability and their long-term changes. One approach to achieve these goals is to use remotely sensed fields of relevant biogeochemical variables to extrapolate available data, and produce maps of the partial pressure of CO2 (pCO2) and air-sea CO2 fluxes. In the open ocean this approach has to some extent been successfully used based on fields of chlorophyll-a (Chla) and sea surface temperature (SST). This approach remains challenging in coastal waters that have complex optical properties (Case-II waters) and that exhibit highly dynamic pCO2 temporal and spatial variations. In the frame of the Belgian funded BELCOLOUR-II project (Optical remote sensing of marine, coastal and inland waters; http://www.mumm.ac.be/BELCOLOUR/), three field cruises per year (April, July and September) for optical measurements were carried in 2007, 2008, 2009 in the Southern Bight of the North Sea (SBNS). Based on these data-sets, we derived algorithms to compute pCO2 from Chl-a and sea surface salinity (SSS) using multipolynomial regressions (MPR). Here we report the first application of the MPR algorithms to derive pCO2 fields in the Belgian coastal zone based on data gathered in 2007, using remote sensed Chl-a (MERIS) and SSS computed with a 3-D hydrodynamical model of SBNS (COHERENS). [less ▲]

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See detailEtude du phenotype des synoviocytes fibroblast-like isolés à partir de tissu synovial arthrosique
Lambert, Cécile ULg; Mathy, Marianne ULg; Dubuc, Jean Emile et al

in Revue du Rhumatisme (2010), 77

L’inflammation et l’angiogenèse sont deux processus étroitement associés à la progression de l’arthrose. Dans cette étude, nous avons comparé la production de médiateurs pro-inflammatoires et ... [more ▼]

L’inflammation et l’angiogenèse sont deux processus étroitement associés à la progression de l’arthrose. Dans cette étude, nous avons comparé la production de médiateurs pro-inflammatoires et angiogéniques par les synoviocytes de type fibroblastique isolés des zones enflammées (ZE) et non-enflammées (ZNE) de la membrane synoviale de genoux arthrosiques. [less ▲]

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See detailNumeration Systems: a Link between Number Theory and Formal Language Theory
Rigo, Michel ULg

in Lecture Notes in Computer Science (2010), 6224

We survey facts mostly emerging from the seminal results of Alan Cobham obtained in the late sixties and early seventies. We do not attempt to be exhaustive but try instead to give some personal ... [more ▼]

We survey facts mostly emerging from the seminal results of Alan Cobham obtained in the late sixties and early seventies. We do not attempt to be exhaustive but try instead to give some personal interpretations and some research directions. We discuss the notion of numeration systems, recognizable sets of integers and automatic sequences. We brie y sketch some results about transcendence related to the representation of real numbers. We conclude with some applications to combinatorial game theory and veri cation of in nite-state systems and present a list of open problems. [less ▲]

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See detailPrediction of stillbirth by monotoring endocrine and metabolic parameters in dairy cattle
Szenci, 0; Bajcsy, A. C.; Brydl, E. et al

in Reproduction in Domestic Animals (2010), 45(Suppl 3), 109

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See detailEvaluation d'une nouvelle bibliothérapie de l'éjaculation précoce
Kempeneers, Philippe ULg; Andrianne, Robert ULg; Bauwens, S. et al

in Revue Francophone de Clinique Comportementale et Cognitive (2010)

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See detailEvaluation des programmes de réadaptation psychiatrique proposés dans les centres de réadaptation fonctionnelle: Etude préliminaire
Limam, Sarra; Bianchi, Julien; Blairy, Sylvie ULg

in Revue Francophone de Clinique Comportementale et Cognitive (2010)

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See detailMaterial parameter identification of Cazacu's model for Ti6Al4V using the simulated annealing algorithm
Gilles, Gaëtan ULg; Habraken, Anne ULg; Duchene, Laurent ULg

in Materials Science Forum (2010), 636-637

Phenomenological yield criteria are generally described by many material parameters. A technique to identify these parameters is required to find the best fit to the results of the mechanical tests. The ... [more ▼]

Phenomenological yield criteria are generally described by many material parameters. A technique to identify these parameters is required to find the best fit to the results of the mechanical tests. The parameter identification by the classical simulated annealing technique is presented in this paper. This algorithm, based on Metropolis’ works [1,2], is a global optimization method that distinguishes between different local optima to reach the global optimum. The anisotropic model used in this study is the one proposed by [3]. To prove the efficiency of the proposed algorithm, the material parameters of Ti6Al4V titanium alloy are identified and compared with those obtained using different identification procedures and the same experimental data. [less ▲]

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See detailLocal Structure of Mn in (La1-xHox)2/3Ca1/3MnO3 Studied by X-ray Absorption Fine Structure
Pietnoczka, A.; Pekala, M.; Bacewicz, R. et al

in Acta Physica Polonica A (2010), 117(2), 257-261

Results of X-ray absorption fine structure measurements in manganites (La1-xHox)2/3Ca1/3MnO3 with 0.15 < x < 0.50 are presented. When LaMnO3 is doped with a divalent element such as Ca2+, substituting ... [more ▼]

Results of X-ray absorption fine structure measurements in manganites (La1-xHox)2/3Ca1/3MnO3 with 0.15 < x < 0.50 are presented. When LaMnO3 is doped with a divalent element such as Ca2+, substituting forLa3+, holes are induced in the filled Mn d orbitals. This leads to a strong ferromagnetic coupling between Mn sites. Ca ions in La1-xCaxMnO3 introduce a distortion of the crystal lattice and mixed valence Mn ions (Mn3+ and Mn4+). On the other hand, in manganites (La1-xHox)2/3Ca1/3MnO3 the substitution of La for Ho causes a lattice distortion and induces a disorder, which reduces a magnetic interaction. The ferromagnetic transition temperature and conductivity decrease very quickly with increasing x. The magnetic and transport properties of compounds depend on the local atomic structure around Mn ions. The information on the bond lengths and Debye–Waller factor are obtained from the extended X-ray absorption fine structure (EXAFS) data analysis. The charge state of Mn is determined from the position of the absorption edge in X-ray absorption near edge structure (XANES) data. XAFS results are in good agreement with magnetic characteristics of the studied materials. [less ▲]

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See detailSelf-heating of bulk high temperature superconductors of finite height subjected to a large alternating magnetic field
Laurent, Philippe; Fagnard, Jean-François ULg; Hari Babu, N. et al

in Superconductor Science and Technology (2010), 23

In this work we study, both experimentally and numerically, the self-heating of a bulk, large YBCO pellet of aspect ratio (thickness / diameter) ~ 0.4 subjected to a large AC magnetic field. To ensure ... [more ▼]

In this work we study, both experimentally and numerically, the self-heating of a bulk, large YBCO pellet of aspect ratio (thickness / diameter) ~ 0.4 subjected to a large AC magnetic field. To ensure accurate temperature measurements, the sample was placed in an experimental vacuum chamber to achieve a small and reproducible heat transfer coefficient between the superconductor and the cryogenic fluid. The temperature was measured at several locations on the sample surface during the self-heating process. The experimentally determined temperature gradients are found to be very small in this arrangement (< 0.2 K across the radius of the superconductor). The time-dependence of the average temperature T(t) is found to agree well with a theoretical prediction based on the one-dimensional (1-D) Bean model, assuming a uniform temperature in the sample. A 2-D magneto-thermal model was also used to determine the space and time-dependent temperature distribution T(r, z, t) during the application of the AC field. The losses in the bulk pellet were determined using an algorithm based on the numerical method of Brandt, which was combined with a heat diffusion algorithm implemented using a finite-difference method. The model is shown to be able to reproduce the main trends of the observed temperature evolution of the bulk sample during a self-heating process. Finally, the 2-D model is used to study the effect of a non-uniform distribution of critical current density Jc(r, z) on the losses within the bulk superconductor. [less ▲]

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See detailSuggested mechanism of action of classical and deformable liposomes through pig ear skin
Gillet, Aline ULg; Lecomte, Frédéric ULg; Rozet, Eric ULg et al

in Journal of Pharmacy & Pharmacology (2010), 62(6), 788-807

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See detailLa chondroitine sulfate stimule la production des facteurs anti angiogéniques TSP-1 et VEGI par les synoviocytes arthrosiques : un nouveau mécanisme d’action pour cette molécule.
Mathy, Marianne ULg; Lambert, Cécile ULg; Dubuc, Jean Emile et al

in Revue du Rhumatisme (2010), 77

La chondroïtine sulfate (CS), la glucosamine sulfate (GS), la glucosamine HCl (GH) et l’acide hyaluronique (AH) sont des anti-arthrosiques symptomatiques d’action lente (AASAL) dont l’utilisation est ... [more ▼]

La chondroïtine sulfate (CS), la glucosamine sulfate (GS), la glucosamine HCl (GH) et l’acide hyaluronique (AH) sont des anti-arthrosiques symptomatiques d’action lente (AASAL) dont l’utilisation est recommandée dans le traitement de l’arthrose. Les mécanismes d’action de ces molécules demeurent mal compris. Notre étude a comme objectif d’étudier les effets de ces molécules sur la production de médiateurs impliqués dans l’angiogenèse de la membrane synoviale (MS) arthrosique [less ▲]

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See detailOutils de dramatisation chez Phylarque
Vanhaegendoren, Koen ULg

in Dialogues d'Histoire Ancienne [DHA] (2010), Suppl. 4.2

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See detailUn cas d'urgence qui barre l'horizon du lecteur : "L'Abbé C." de Georges Bataille
Servais, Christine ULg

in Etudes Littéraires (2010), 41(2), 33-45

Cet article s’interroge sur la manière dont le texte de Bataille, s’adressant singulièrement au lecteur, met en œuvre une performativité de la fiction. Il montre en quoi L’Abbé C. « barre » l’idéalité du ... [more ▼]

Cet article s’interroge sur la manière dont le texte de Bataille, s’adressant singulièrement au lecteur, met en œuvre une performativité de la fiction. Il montre en quoi L’Abbé C. « barre » l’idéalité du sens et de la norme partagée, précipite le lecteur dans une instabilité de lecture et néanmoins l’inscrit dans une forme de partage susceptible de « fonder » communauté. Cette lecture derridienne du texte de Bataille s’attache aux figures du texte (le double, le mensonge, l’enveloppement) ainsi qu’à la feinte que constitue le texte lui-même pour montrer en quoi la dramatisation et la fiction se trouvent être chez cet auteur des formes particulières de destination en relation avec une communauté d’expérience -et non communauté de sens ou d’interprétation : « j’écris pour qui, entrant dans mon livre, y tomberait comme dans un trou, n’en sortirait plus » . En l’espèce de sa lecture, c’est une certaine notion de « vie commune » que L’Abbé C. figure et représente. [less ▲]

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See detailPulse pressure and pulsatile stress in overweight/obese nonhypertensive patients with versus without type 2 diabetes.
Scheen, André ULg; Philips, Jean-Christophe ULg; Marchand, Monique ULg

in Obesity Reviews : An Official Journal of the International Association for the Study of Obesity (2010)

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See detailPulse pressure and pulsatile stress in overweight/obese patients versus lean subjects in absence of hypertension or diabetes.
Scheen, André ULg; Philips, Jean-Christophe ULg; Marchand, Monique ULg

in Obesity Reviews : An Official Journal of the International Association for the Study of Obesity (2010)

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See detailUn filet … pour nager. L’expérience du Cereki
Delvaux, Anne ULg; Vandermeulen, Mary ULg; Jidovtseff, Boris ULg

in Science & Sports (2010), 25

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See detailComparison of mechanical efficiency of two microstructures of Ti5553 alloy in the case of bolted flanges submitted to tensile loading
Van Hoof, T.; Ben Bettaieb, Mohamed ULg; Lani, F. et al

in Steel Research International (2010), 81(9), 1148-1152

A combination of numerical and experimental methods is used to compare the efficiency of two microstructures of Ti5553 titanium alloy in an industrial test case. The test case consists in two parts of ... [more ▼]

A combination of numerical and experimental methods is used to compare the efficiency of two microstructures of Ti5553 titanium alloy in an industrial test case. The test case consists in two parts of sectors of aircraft engine stators linked together by an Inconel bolt and submitted to tensile loading. The efficiency of these microstructures is evaluated by using finite element (FE) models. The chosen FE models take into account elasto-visco-plastic material behaviors, contact with friction (bolt heads/flanges and flange/flange), and the initial bolt tightening. The parameters of the elasto-visco-plastic (EVP) material law are adjusted from experimental results extracted from tensile tests performed on Inconel, and Ti5553 alloys. Viscous properties are observed at different strain rates. The studied alloy is assumed to be plastically isotropic. In order to compare the fracture resistance of both microstructures, a micro-mechanical (damage based) rupture model ([4]) is used as a FE post-processing step. [less ▲]

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See detailCorrélation aldostérone et parathormone en cas d'hyperparathyroïdie primaire vs secondaire?
Ho, Thi Thanh Giang ULg; Keutgens, Aurore ULg; Chapelle, Jean-Paul ULg et al

in Annales de Biologie Clinique (2010), 68(6), 703-4

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See detailLogiciel NotaBene pour l’annotation linguistique. Annotations et conceptualisations multiples
Mazziotta, Nicolas ULg

in Recherches qualitatives. Hors-série "Les actes" (2010), 9

Nous voudrions présenter ici le logiciel libre NotaBene. Il s'agit d'un logiciel destiné principalement à l'annotation linguistique de ressources textuelles écrites en ancien français, mais dont les ... [more ▼]

Nous voudrions présenter ici le logiciel libre NotaBene. Il s'agit d'un logiciel destiné principalement à l'annotation linguistique de ressources textuelles écrites en ancien français, mais dont les principes se veulent suffisamment génériques pour servir à l'exploitation d'autres types de ressources et éventuellement dans d'autres disciplines. NotaBene est basé sur des standards (XML, RDF et OWL) et permet l'affichage simultané d'analyses de nature différentes (p. ex.: lemmatisations vs arbres syntaxiques ou de progression thématique) ou simplement concurrentes (effectuées par deux chercheurs différents). Le logiciel permet également à chaque utilisateur de définir son propre modèle d'annotation et son jeu d'étiquettes personnalisé. Le modèle est enregistré de manière formalisée pour permettre les échanges et les traitements automatiques. [less ▲]

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See detailWhen do faces capture attention? Evidence from eye movements
Devue, Christel ULg; Belopolsky, Artem; Theeuwes, Jan

in Perception (2010), 39 Suppl.

A recent visual search study showed that the presence of an upright distractor face slows the search for a butterfly target while a butterfly distractor does not affect the search for a target face ... [more ▼]

A recent visual search study showed that the presence of an upright distractor face slows the search for a butterfly target while a butterfly distractor does not affect the search for a target face, suggesting that faces capture attention automatically (Langton et al, 2008 Cognition 107 330-342). To further test this hypothesis, we recorded eye movements during a cued target search task. When the search target alternated between a face and a butterfly (Experiment 1), faces were found faster and with less saccades than butterflies. The presence of the opposite distractor (eg a face during a search for a butterfly) slowed down the search but to a greater extent when the distractor was a face. Moreover, faces captured the eyes more frequently than butterflies. Inverted face targets were also found more efficiently than inverted butterfly targets and captured the eyes more than butterflies when presented as distractors (Experiment 2). However, when upright or inverted faces consistently appeared as irrelevant distractors during a butterfly or a flower target search (Experiment 3), they did not cause significant disruption. These results challenge the view that faces capture attention automatically and suggest that faces only attract attention when their processing is relevant during a search task. [less ▲]

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See detailEtude de la pression artérielle, rigidité artérielle et neuropathie autonome cardiovasculaire chez les patients diabétiques de type 1
Philips, Jean-Christophe ULg; Xhignesse, Patricia ULg; Marchand, Monique ULg et al

in Vaisseaux, Coeur, Poumons [=VCP] (2010), 15(3), 70-73

Nous avons récemment eu l'honneur de recevoir l'Hypertension Young Investigator Award 2009 adressé par le Comité belge de Lutte contre l'Hypertension et soutenu par la fondation Astra Zeneca. Notre projet ... [more ▼]

Nous avons récemment eu l'honneur de recevoir l'Hypertension Young Investigator Award 2009 adressé par le Comité belge de Lutte contre l'Hypertension et soutenu par la fondation Astra Zeneca. Notre projet propose d'étudier différents indices cardiovasculaires au sein d'une population constituée de patients diabétiques de type 1. L'étude de la pression artérielle, estimée par différentes méthodes, ainsi que l'estimation de la rigidité artérielle chez ces patients pourraient être utiles afin d'apprécier le statut cardiovasculaire chez ces patients à haut risque. Notre service possède une certaine expérience dans la recherche et l'estimation de la neuropathie autonome cardiovasculaire (NAC) chez les patients diabétiques de type 1. Cette complication du diabète est associée à une morbi-mortalité d'origine cardiovasculaire accrue. Nous allons proposer une batterie de tests classiquement effectués dans le cadre de la recherche d'une NAC (en utilisant la technique du Finapress°). Ceux-ci seront combinés à d'autres explorations réalisées par nos confrères néphrologues (mesure ambulatoire de 24 heures de la pression artéielle ou MAPA et Sphygmocor°). Tous ces examens ont l'avantage d'être non-invasifs et peuvent être réalisés en routine clinique. Le recrutement de cette étude devrait permettre d'inclure une soixantaine de patients diabétiques de type 1 âgés de 20 à 50 ans et dont la durée de diabète varie entre 10 et 30 années. Cette population sera comparée à une cohorte de sujet sains apariés pour l'âge, l'indice de masse corporelle et le sexe. Plusieurs mesures sont effectuées et certains indices pourront être calculés après la réalisation des différents examens. Une comparaison entre les deux cohortes (diabétiques versus non-diabétiques) sera effectuée. L'évolution de certains paramètres au sein de la population diabétique sera aussi analysée (en fonction de l'âge et la durée du diabète par exemple). [less ▲]

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See detailComparison of the amnesic, ataxic and hypothermic effects of ethanol and acetaldehyde in mice
Closon, Catherine ULg; Quertemont, Etienne ULg

in Alcoholism, Clinical & Experimental Research (2010), 34(8), 92-92

Acetaldehyde, the first metabolite of ethanol, has been suggested to be involved in many behavioral effects of ethanol. However, very few studies have been published on the role of acetaldehyde in the ... [more ▼]

Acetaldehyde, the first metabolite of ethanol, has been suggested to be involved in many behavioral effects of ethanol. However, very few studies have been published on the role of acetaldehyde in the amnesic and ataxic effects of ethanol. The aim of the present studies was to compare the profiles of ethanol and acetaldehyde in several behavioral tests, measuring motor coordination, learning and memory in mice. Female Swiss mice were injected intraperitoneally with ethanol (0-3g/kg) and acetaldehyde (100-300mg/kg). The effects of these substances on a series of representative behaviors were investigated. The amnesic effects were tested with an object recognition task and a one-trial passive avoidance test. Additionally, the rectal temperatures were used to evaluate the hypothermic effects of the two substances. Finally, motor coordination was assessed using the accelerating rotarod test. The results showed that acetaldehyde, like ethanol, altered memory as shown by a reduced performance in the passive avoidance test and the object recognition task. In addition, acetaldehyde at doses between 100 and 300 mg/kg induced significant hypothermic effects, but that was of shorter duration than ethanol-induced hypothermia. Finally, significant ataxic effects of both acetaldehyde and ethanol were observed in the accelerating rotarod test. Overall, the results of the present study clearly show that acetaldehyde, like ethanol, has amnesic, hypothermic and ataxic properties in mice at least at relatively high concentrations. [less ▲]

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See detailRecent trends of inorganic chlorine and halogenated source gases above the Jungfraujoch and Kitt Peak stations derived from high-resolution FTIR solar observations
Mahieu, Emmanuel ULg; Rinsland, Curtis P.; Gardiner, Tom et al

in Geophysical Research Abstracts (2010), 12(EGU2010-2420-3),

The longest series of Fourier Transform Infrared (FTIR) high spectral resolution solar absorption observations are available from the Jungfraujoch and Kitt Peak stations, located at 46.5ºN and 30.9ºN ... [more ▼]

The longest series of Fourier Transform Infrared (FTIR) high spectral resolution solar absorption observations are available from the Jungfraujoch and Kitt Peak stations, located at 46.5ºN and 30.9ºN, respectively. State-of-the-art interferometers are operated at these sites within the framework of the Network for the Detection of Atmospheric Composition Change (NDACC, visit http://www.ndacc.org). These instruments allow to record spectra on a regular basis, under clear-sky conditions, using a suite of optical filters which altogether cover the 2 to 16 micron spectral range. Numerous absorption features characterized in the HITRAN compilations (e.g. Rothman et al., 2008) are encompassed in this mid-infrared region. Their analyses with either the SFIT-1 or SFIT-2 algorithm allow retrieving total columns of the target gases. Moreover, information on their distribution with altitude can generally be derived when using SFIT-2 which implements the Optimal Estimation Method of Rodgers (1990). Among the two dozen gases of atmospheric interest accessible to the ground-based FTIR technique, we have selected here a suite of long-lived halogenated species: HCl, ClONO2, CCl2F2, CCl3F, CHClF2, CCl4 and SF6. Time series available from the two sites will be presented, compared and critically discussed. In particular, changes in the abundances of theses gases since the peak in inorganic chlorine (Cly, which occurred in 1996-1997) and their intra-annual variability will be characterized with a statistical tool using bootstrap resampling (Gardiner et al., 2008). Trends and their associated uncertainties will be reported and put into perspective with the phase-out regulations of the production of ozone depleting substances adopted and implemented by the Montreal Protocol, its Amendments and Adjustments. For instance, the trends affecting the reservoir species HCl, ClONO2, and their summation which is a good proxy of the total inorganic chlorine, have been calculated using all available daily mean measurements from January 1996 onwards. The following values were obtained for Jungfraujoch, when using 1996 as the reference year: -0.90±0.10%/yr for HCl, -0.92±0.26 %/yr for ClONO2, and -0.96±0.14 %/yr for Cly; in all cases, the uncertainties define the 95% confidence interval around the trend values. For Kitt Peak, the corresponding trends are: -0.55±0.34 %/yr for HCl, -1.27±0.84 %/yr for ClONO2 and -0.61±0.51 %/yr for Cly, they are statistically consistent with the Jungfraujoch rates of decrease. Further trend data will be presented at the EGU General Assembly while supplementary information on Jungfraujoch results will be available from communications at the same meeting by Duchatelet et al. (2010), Lejeune et al (2010) and Rinsland et al (2010). Comparisons with model data are also foreseen. [less ▲]

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See detailOptimized approach to retrieve information on the tropospheric and stratospheric carbonyl sulfide (OCS) vertical distributions above Jungfraujoch from high-resolution FTIR solar spectra
Lejeune, Bernard ULg; Mahieu, Emmanuel ULg; Servais, Christian ULg et al

in Geophysical Research Abstracts (2010), 12(EGU2010-3513),

Carbonyl sulfide (OCS), which is produced in the troposphere from both biogenic and anthropogenic sources, is the most abundant gaseous sulfur species in the unpolluted atmosphere. Due to its low chemical ... [more ▼]

Carbonyl sulfide (OCS), which is produced in the troposphere from both biogenic and anthropogenic sources, is the most abundant gaseous sulfur species in the unpolluted atmosphere. Due to its low chemical reactivity and water solubility, a significant fraction of OCS is able to reach the stratosphere where it is converted to SO2 and ultimately to H2SO4 aerosols (Junge layer). These aerosols have the potential to amplify stratospheric ozone destruction on a global scale and may influence Earth’s radiation budget and climate through increasing solar scattering. The transport of OCS from troposphere to stratosphere is thought to be the primary mechanism by which the Junge layer is sustained during nonvolcanic periods. Because of this, long-term trends in atmospheric OCS concentration, not only in the troposphere but also in the stratosphere, are of great interest. A new approach has been developed and optimized to retrieve atmospheric abundance of OCS from high-resolution ground-based infrared solar spectra by using the SFIT-2 (v3.91) algorithm, including a new model for solar lines simulation (solar lines often produce significant interferences in the OCS microwindows). The strongest lines of the nu3 fundamental band of OCS at 2062 cm-1 have been systematically evaluated with objective criteria to select a new set of microwindows, assuming the HITRAN 2004 spectroscopic parameters with an increase in the OCS line intensities of the nu3band main isotopologue 16O12C32S by 15.79% as compared to HITRAN 2000 (Rothman et al., 2008, and references therein). Two regularization schemes have further been compared (deducted from ATMOS and ACE-FTS measurements or based on a Tikhonov approach), in order to select the one which optimizes the information content while minimizing the error budget. The selected approach has allowed us to determine updated OCS long-term trend from 1988 to 2009 in both the troposphere and the stratosphere, using spectra recorded on a regular basis with Fourier Transform Infrared spectrometers (FTIRs), under clear-sky conditions, at the NDACC site (Network for the Detection of Atmospheric Composition Change, visit http://www.ndacc.org) of the International Scientific Station of the Jungfraujoch (Swiss Alps, 46.5°N, 8.0°E, 3580m asl). Trends and seasonal cycles deduced from our results will be compared to values published in the literature and critically discussed. In particular, we will confirm the recent change in the OCS total column trend, which has become positive since 2002 before undergoing a slowing down over the last years. [less ▲]

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See detailResponse inhibition toward alcohol cues in heavy drinkers and alcohol dependent patients
Kreusch, Fanny ULg; Quertemont, Etienne ULg

in Alcoholism, Clinical & Experimental Research (2010), 34(8), 139-139

Alcohol addictive behaviors have been recently associated with a combination of deficits in executive function, such as a weak response inhibition, and potent automatic appetitive responses for alcohol ... [more ▼]

Alcohol addictive behaviors have been recently associated with a combination of deficits in executive function, such as a weak response inhibition, and potent automatic appetitive responses for alcohol-related cues. The aim of the present studies was to investigate response inhibition for alcohol and neutral or soft drink cues in alcohol abusers and alcohol dependent patients. Response inhibition was assessed in a go/nogo task with pictures of alcohols, soft drinks or neutrals objects. In this task, participants had to respond to specific stimuli (go trial) and inhibit that action under a different set of stimuli (nogo trial). Faster responses for alcohol in go trials reflect approach tendency for alcohol cues while false alarm responses for alcohol in nogo trials reflect a deficit in response inhibition toward alcohol-related cues. Moreover, since standard alcohol cues are not equally appreciated across participants, the preference for the different alcoholic drinks presented were measured and analyzed in reference to task responses. Both light and heavy drinkers showed faster responses to alcohol cues in go trial relative to soft/neutral cues. Preliminary results indicate a negative relationship between the preference scores for alcohols and the reaction times to those stimuli in go trials. The present study also demonstrated that the presence of brands logo significantly altered the discrimination and reactions time patterns of response to alcohol and soft cues. [less ▲]

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See detailThe Impact of Children’s Illness Perceptions on Paediatric Cancer Patients’ Quality of Life
Fonseca, Marta; Missotten, Pierre ULg; Etienne, Anne-Marie ULg et al

in Psycho-oncology (2010), 19(Suppl. 2), 126

Purpose The study of children’s illness perceptions has been widely developed over de last decade (Chateaux, 2005). More recently research has focussed on the impact of illness perceptions on Quality of ... [more ▼]

Purpose The study of children’s illness perceptions has been widely developed over de last decade (Chateaux, 2005). More recently research has focussed on the impact of illness perceptions on Quality of Life (QoL). The present communication aims to analyse the impact of illness perceptions of children with cancer on Generic and Modular QoL. Authors put forward the hypothesis that the several dimensions of children’s illness perceptions may influence QoL in different ways. Methods The Brief Illness Perception Questionnaire (Broadbent et al.,2006) and the Quality of Life Systemic Inventory for Children - Module for Cancer (Missotten et al., 2008) were administered to 40 children with cancer, aged from 8 to 12 years, at a paediatric hospital. Specifically developed for children from these ages, the QoL measure is a self-assessment questionnaire that provides a general and a modular score (general domains of QoL and domains of QoL related with cancer). Results Multiple regressions highlighted that five dimensions of children’s cancer perceptions are significant predictors of QoL, namely illness “consequences”, “identity”, “concerns”, “coherence” and “timeline”. The most predictable dimension of both general and modular QoL is “cancer consequences”: it explains 36% (Beta=.51; p=.01) of the general and 47% (Beta=.70; p=.01) of the modular QoL variance. Children reporting a less threatening view about the consequences of cancer in their lives reveal a better QoL. Conclusions The framework of the present study has its fundamentals on recent literature developments by presenting a modular approach to QoL assessment. Results revealed that illness perceptions of children with cancer play an important role both on general QoL and QoL more directly related with cancer and treatments. Through the analysis of the influence of cancer perceptions on QoL, findings provide information to design intervention to promote QoL among paediatric cancer patients. [less ▲]

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See detailAutomatic brain image reading for the differential diagnosis between atypical parkinsonian syndromes & Parkinson's disease
Garraux, Gaëtan ULg; Phillips, Christophe ULg; Lemaire, Christian ULg et al

in Movement Disorders : Official Journal of the Movement Disorder Society (2010), 25(7), 379-379

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See detailMeasurement of dielectric properties at low temperatures: application to the study of magnetoresistive manganite/ insulating oxide bulk composites
Vanderbemden, Philippe ULg; Rivas-Murias, Beatriz; Lovchinov, Vassil et al

in Journal of Physics: Conference Series (2010), 253

In this paper, we report low temperature dielectric measurements of bulk composite electroceramic samples containing a colossal magnetoresistive (CMR) manganite phase (La0.7Ca0.3MnO3 [abbreviated LCMO ... [more ▼]

In this paper, we report low temperature dielectric measurements of bulk composite electroceramic samples containing a colossal magnetoresistive (CMR) manganite phase (La0.7Ca0.3MnO3 [abbreviated LCMO]) and an insulating phase (Mn3O4). Details of the experimental system are given and possible experimental artefacts due to moisture are outlined. For a LCMO volume fraction of ~ 16%, the permittivity of the LCMO/ Mn3O4 composite at T = 50 K is found to be much higher than that of pure Mn3O4 and magnetic field dependent. This effect is related to an extrinsic space charge polarization mechanism between the insulating phase (Mn3O4) and the conducting magnetoresistive phase (LCMO). [less ▲]

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See detailFinger Tapping feature extraction in Parkinson's disease using low-cost accelerometers
Stamatakis, Julien; Cremers, Julien ULg; Macq, Benoït et al

in Proceedings 10th IEEE International Conference on Information Technology and Applications in Biomedicine (ITAB 2010) (2010)

The clinical hallmarks of Parkinson's disease (PD) are movement poverty and slowness (i.e. bradykinesia), muscle rigidity and limb tremor. The physicians usually quantify these motor disturbances by ... [more ▼]

The clinical hallmarks of Parkinson's disease (PD) are movement poverty and slowness (i.e. bradykinesia), muscle rigidity and limb tremor. The physicians usually quantify these motor disturbances by assigning a severity score according to validated but time-consuming clinical scales such as the Unified Parkinson's Disease Rating Scale (UPDRS) - part III. These clinical ratings are however prone to subjectivity and inter-rater variability. The PD medical community is therefore looking for a faster and more objective rating method. As a first step towards this goal, a tri-axial accelerometer-based system is proposed as patients are engaged in a repetitive finger tapping task, which is classically used to assess bradykinesia in the UPDRS-III. After developing the hardware, an algorithm has been developed, that automatically epoched the signal on a trial-by-trial basis and quantified, among others, movement speed, amplitude, hesitations or halts as validated by visual inspection of video recordings during the task. The results obtained in a PD patient and an healthy volunteer are presented. Preliminary results show that PD patients and healthy volunteers have different features profiles, so that a classifier could be set up to predict objective UPDRS-III scores. [less ▲]

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See detailEffects of face and voice learning on access to semantic information from names.
Barsics, Catherine ULg

in Perception (2010), 39 supplement

Several studies showed that it is more difficult to retrieve semantic information from recognized voices than from recognized faces. However, earlier studies that investigated the recall of biographical ... [more ▼]

Several studies showed that it is more difficult to retrieve semantic information from recognized voices than from recognized faces. However, earlier studies that investigated the recall of biographical information following person recognition used stimuli that were pre-experimentally familiar to the participants, such as famous people’s voices and faces. The present study was designed in order to allow a stricter control of frequency exposure with both types of stimuli (voices and faces) and to ensure the absence of identity cues in the spoken extracts. In the present study, subjects had to associate lexical (i.e., name) and semantic information (i.e., occupation) with faces or voices. Interestingly, when asked later to recall semantic information being cued by the person’s names, participants provided significantly more occupations for the targets that had been previously associated with faces than with voices. Moreover, participants’ performance was not significantly different when names and occupation were associated with voices compared with dog’s faces, whose complexity is similar to that of human faces, but for which we have poorer discrimination abilities. These results and their implications for person recognition models, as well as the potential role of the relative distinctiveness of faces and voices, are discussed. [less ▲]

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See detailVoisinage et représentations : la Belgique francophone et la France, du Front populaire à la guerre froide
Lanneau, Catherine ULg

in Matériaux pour l’Histoire de notre Temps (2010), 97-98(janvier-juin), 3-10

The specificities of the relations between France and French-speaking Belgium having been recalled, the contribution examines the mutual representations of the two neighbours from the thirties to the ... [more ▼]

The specificities of the relations between France and French-speaking Belgium having been recalled, the contribution examines the mutual representations of the two neighbours from the thirties to the fifties. First, it explains the reasons of the negative image given by France in the 1930’s and suggests however that the time of the Popular Front was more a transition phase than a real turning-point. The coming of the Second World War brings an important break-up, intellectually as well as materially. French-speaking Belgian opinion was turned upside-down by the collapse of 1940 and was, in most cases, shocked to see that France accepted apparently to collaborate with the enemy. The “other France” was not audible from the start but de Gaulle began asserting himself from 1942. After the Liberation, the French-speaking Belgians tended to believe, as did the French, in the official thesis of a “New France”, rebuilt, regenerated and adorned with the virtues of the Resistance. However, this optimism rapidly declined and Belgium reconsidered sadly but with lucidity the now feeble impact of France on a world theatre dominated by the Cold War and the rise of multilateralism. [less ▲]

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See detailInjury characteristics and risk factors in young soccer players
Frisch, Anne ULg; Croisier, Jean-Louis ULg; Windal, T. et al

in Knee Surgery, Sports Traumatology, Arthroscopy (2010), 18(Suppl 1), 58

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See detailPotential estimation of titratable acidity in cow milk using mid-infrared spectrometry
Colinet, Frédéric ULg; Soyeurt, Hélène ULg; Anceau, Christine ULg et al

in ICAR Technical Series (2010), 14

Milk coagulation has a direct effect on cheese yield. Several factors influence the milk coagulation kinetics. In addition to calcium and milk protein concentrations, titratable acidity influences all the ... [more ▼]

Milk coagulation has a direct effect on cheese yield. Several factors influence the milk coagulation kinetics. In addition to calcium and milk protein concentrations, titratable acidity influences all the phases of milk coagulation. The objective of this research was to study the feasibility of prediction of titratable acidity directly in bovine milk using mid-infrared spectrometry. In order to maximize the variability in the measurements of titratable acidity, milk samples were collected on basis of several criteria (e.g. breeds). The titratable acidity was recorded as Dornic degree. All samples were also analyzed by MIR spectrometry. Using partial least squares regressions and first derivative pretreatment of spectral data, a calibration equation was built to predict the Dornic degree in cow milk. First results were promising and showed the potentiality to this calibration. The calibration and cross-validation coefficients of determination were 92.25 and 89.88 %, respectively. Moreover, the ratio of standard error of prediction to standard deviation was 3.13 and permits us to consider the calibration equation as usable in most application such as scientific researches and the screening of the Walloon dairy herd particularly in order to improve the milk coagulation properties. [less ▲]

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See detailBrain aromatase activity and male sexual behavior
Balthazart, Jacques ULg; Cornil, Charlotte ULg; Charlier, Thierry ULg et al

in Annales d'Endocrinologie (2010), 71

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See detailDevelopment of a biotransformation process of hydroperoxides into green leaf volatiles using sugar beet leaves
Gigot, C.; Ongena, Marc ULg; Fauconnier, Marie-Laure ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2010)

Natural green leaf volatiles (GLVs) are commonly sole AS aldehydic and alcoholic flavors; their synthesis is a great challenge for industry. Especially, the bioconversion step of fatty acid hydroperoxides ... [more ▼]

Natural green leaf volatiles (GLVs) are commonly sole AS aldehydic and alcoholic flavors; their synthesis is a great challenge for industry. Especially, the bioconversion step of fatty acid hydroperoxides into aldehydes by the hydroperoxide lyase (HL). This widely studied enzyme is present in cell membranes of green organs from superior plants. Extracted from its natural condition, HL is subject to a suicidal behavior, being irreversibly inhibited by its own substrate. Furthermore, GLVs produced are highly volatile and quickly degraded by other plant enzymes. Thence, high GLVs levels in industrial production are very difficult to obtain, but several biotechnological tools could be developed to enhance this natural synthesis level more than hundred times. This paper will describe a new method for GLVs production in bioreactor using sugar beet leaves as source of HL. One step reaction, including hydroperoxide metabolisation and GLVs extraction, is performed during a short time process. Downstream processing to dispose of natural and pure GLVs molecule will also be discussed. [less ▲]

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See detailDISCREPANCIES BETWEEN BIO-ANALYTICAL AND CHEMO-ANALYTICAL RESULTS HAVE A NON-NEGLIGIBLE MESSAGE
Goeyens, L.; Hoogenboom, R.; Eppe, Gauthier ULg et al

in Organohalogen Compounds (2010)

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See detailAPPLICATION OF THE XDS-CALUX BIOASSAY IN ROUTINE: SEMI-QUANTITATIVE SCREENING USING AL-BEQ CUT-OFF VALUES
Vanderperren, H.; Haedrich, J.; Eppe, Gauthier ULg et al

in Organohalogen Compounds (2010)

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See detailMonitoring of the entomological diversity in a pesticide free orchard:Investigation in the Gembloux agricultural University conservatory
Poligui, René Noël ULg; Haubruge, Eric ULg; Francis, Frédéric ULg

in Communication in Agricultural and Applied Biological Sciences Ghent University (2010), 74/2

In orchards, the fruit production is currently oriented to integrated pest management. In order to develop efficient pest control strategy by using entomophagous beneficial and lowering the application of ... [more ▼]

In orchards, the fruit production is currently oriented to integrated pest management. In order to develop efficient pest control strategy by using entomophagous beneficial and lowering the application of pesticides, sufficient knowledge of entomological populations is needed. Here, a systematic monitoring of insect diversity and abundance in a conservatory orchard of Gembloux was performed. Combining yellow traps and visual observations, 19 pest and 34 beneficial families were identified among the 10766 and 3985 insects caught in yellow traps and visual observations respectively. Calculation of diversity indices allowed us to demonstrate the variability according to fruit tree species and insects observation method. Highest insects diversity was registered in apple, then in cherry and finally in the apple-pear association and plum. Pests and beneficials represented 27% and 39% of the insect collections respectively. Aphids represented from 81% to 95%of pests depending on fruit tree species and observation method. The predominant specie was Brachycaudus helychrysi (Kaltenbach). Aphidophagous guild was largely present and mainly constituted by coccinellids and hoverflies. Harmonia axyridis Pallas and Episyrphus balteatus De Geer were the most abundant. Aphididae was found to be the most common orchard pests with a range of related aphidophagous beneficials. These results highlight the need leading to potential reasoning. [less ▲]

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See detailLa porosité du droit : A propos des relations du droit avec d'autres disciplines
Sibony, Anne-Lise ULg

in Revue de la Faculté de Droit de l'Université de Liège (2010), (2), 271-278

Le droit est-il dans sa bulle ? Sans doute, il en sort pour entrer au contact des faits, mais ce n’est pas toujours facile. Quels chemins prend-il alors ? Cette leçon explorera l’hypothèse selon laquelle ... [more ▼]

Le droit est-il dans sa bulle ? Sans doute, il en sort pour entrer au contact des faits, mais ce n’est pas toujours facile. Quels chemins prend-il alors ? Cette leçon explorera l’hypothèse selon laquelle certaines sciences dites sociales peuvent l’aider à trouver sa route. Pour utiles que ces sciences soient pour le droit, elles n’en sont pas moins nombreuses et raffinées et les directions qu’elles indiquent peuvent paraître périlleuses. Aussi sera-t-il également question de la prudence que le droit a intérêt à observer lorsqu’il s’aventure sur la route des sciences. En somme, il s’agit de savoir comment le droit peut ouvrir sa bulle sélectivement aux connaissances scientifiques qui se prêtent à un usage juridique. [less ▲]

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See detailInfluence of veneer thickness on residual stresses in zirconia prostheses.
Mainjot, Amélie ULg; Schajer, Gary; Vanheusden, Alain ULg et al

in Dental Materials (2010)

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See detailNAVA enhances ventilatory variability and diaphragmaticactivity/tidal volume coupling
Moorhead, K.; Piquilloud, L.; Desaive, Thomas ULg et al

in Intensive Care Medicine (2010), 36(2), 326-326

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See detailCombining remote sensing imagery of both fine and coarse spatial resolution to estimate crop evapotranspiration and quantifying its influence on crop growth monitoring
Sepulcre-Canto, Guadalupe; Gellens-Meulenberghs, Françoise; Arboleda, Alirio et al

in Geophysical Research Abstracts (2010)

This study has been carried out in the framework of the GLOBAM -Global Agricultural Monitoring system by integration of earth observation and modeling techniques- project whose objective is to fill the ... [more ▼]

This study has been carried out in the framework of the GLOBAM -Global Agricultural Monitoring system by integration of earth observation and modeling techniques- project whose objective is to fill the methodological gap between the state of the art of local crop monitoring and the operational requirements of the global monitoring system programs. To achieve this goal, the research aims to develop an integrated approach using remote sensing and crop growth modeling. This paper concerns the use of MSG geostationnary satellite data for the calculation of Actual Evapotranspiration and its integration into a crop growth model. [less ▲]

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See detailLes points faibles du dispositif "assuétudes"
Vandoorne, Chantal ULg; Cherbonnier, Alain; Taeymans, Bernadette et al

in Cahiers de Prospective Jeunesse (2010), 56

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See detailEffects of ipratropium bromide on repeated cadmium inhalation-induced lune inflammation and airspace enlargement in rats
Zhang, W. H.; Fievez, Laurence ULg; Cheu, Esteban ULg et al

in Fundamental & Clinical Pharmacology (2010), 10

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See detailMatrix metalloproteinase-3 is a highly mechanosensitive gene in human subchondral osteoblasts
Sanchez, Christelle ULg; Pesesse, Laurence ULg; Delcour, Jean-Pierre et al

in Osteoarthritis and Cartilage (2010), 17(suppl 2), 217

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See detailEffect of rosemary extract and related flavonoid carnosol on chondro-protection and on the bone-cartilage crosstalk
Horcajada, Marie-Noelle; Sanchez, Christelle ULg; Scalfo, Fanny et al

in Osteoarthritis and Cartilage (2010), 17(suppl 2), 38-39

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See detailAsymptotics of the S-matrix and unitarisation
Selyugin, O. V.; Cudell, Jean-René ULg

in Physics of Particles and Nuclei (2010), 41

The manner in which the elastic scattering amplitude obeys unitarity, how it enters the circle of unitarity, and what its asymptotic limit is, remains a problem for models which include terms that rise ... [more ▼]

The manner in which the elastic scattering amplitude obeys unitarity, how it enters the circle of unitarity, and what its asymptotic limit is, remains a problem for models which include terms that rise fast with s. We have checked that the features of cross sections which come from unitarisation are present for most unitarisation schemes, e.g. those that saturate the profile function or those that describe multiple exchanges via an analytic formula. We have also obtained a scheme which interpolates between different classes of the unitarisation and found corresponding non-linear equations. Considering different forms of energy dependence of the scattering amplitude, and a variety of unitarisation schemes, we show that, in order to reproduce the data, the fits choose an amplitude that corresponds to an asymptotic value S = 0. [less ▲]

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