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See detailDe la participation au projet à l’implication dans le territoire
Dawance, Sophie ULg; Ribeiro Amélia, De Rijck Kim

Scientific conference (2010, December 01)

Nul ne nie aujourd’hui l’intérêt d’associer les habitants et usagers au processus d’élaboration d’un projet de rénovation de leur quartier. Cependant, force est de constater que les délais et modalités de ... [more ▼]

Nul ne nie aujourd’hui l’intérêt d’associer les habitants et usagers au processus d’élaboration d’un projet de rénovation de leur quartier. Cependant, force est de constater que les délais et modalités de la participation classique ne permettent pas à certains types de public de s’exprimer et ne laissent pas le temps de la maturation et de l’appropriation. Il faut donc inventer des formes d’intervention qui permettent l’implication des habitants dans la ville dans la durée et qui participent à l’émergence d’une véritable culture de la participation. Community land trust, potager collectif, urbanisme temporaire, budgets participatifs… autant de projets qui permettent aux citoyens de devenir acteur et de tisser des liens intimes avec leur territoire. [less ▲]

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See detailAsteroseismology of OB stars with CoRoT
Degroote, P.; Aerts, C.; Samadi, R. et al

in Astronomische Nachrichten (2010), 331

The CoRoT satellite is revolutionizing the photometric study of massive O-type and B-type stars. During its long runs, CoRoT observed the entire main sequence B star domain, from typical hot β Cep stars ... [more ▼]

The CoRoT satellite is revolutionizing the photometric study of massive O-type and B-type stars. During its long runs, CoRoT observed the entire main sequence B star domain, from typical hot β Cep stars, via cooler hybrid p- and g-mode pulsators to the SPB stars near the edge of the instability strip. CoRoT lowers the sensitivity barrier from the typical mmag-precision reached from the ground, to the μmag-level reached from space. Within the wealth of detected and identified pulsation modes, relations have been found in the form of multiplets, combination of frequencies, and frequency- and period spacings. This wealth of observational evidence is finally providing strong constraints to test current models of the internal structure and pulsations of hot stars. Aside from the expected opacity driven modes with infinite lifetime, other unexpected types of variability are detected in massive stars, such as modes of stochastic nature. The simultaneous observation of all these light curve characteristics implies a challenge for both observational asteroseismology and stellar modelling. The CoRoT space mission was developed and is operated by the French space agency CNES, with participation of ESA's RSSD and Science Programmes, Austria, Belgium, Brazil, Germany, and Spain. [less ▲]

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See detailOscillations in rapidly rotating stars
Reese, Daniel ULg

in Astronomische Nachrichten (2010, December 01), 331

Spurred by the spectroscopic and interferometric observations of rapidly rotating stars and the highly accurate pulsation data coming from asteroseismology space missions, theoreticians have spent many ... [more ▼]

Spurred by the spectroscopic and interferometric observations of rapidly rotating stars and the highly accurate pulsation data coming from asteroseismology space missions, theoreticians have spent many years developing models for such stars and studying their oscillations. This has led to the discovery of new phenomena and new types of pulsation modes. In what follows, a review is given of the different methods used to model the effects of rotation on stellar pulsations, as well as a description of these effects on inertial, gravito-inertial, r and acoustic modes. [less ▲]

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See detailSynthèse sur l’évolution des paléoenvironnements de l’Afrique occidentale atlantique depuis la fin de la dernière période glaciaire. Influences climatiques et anthropiques.
Assi Kaudjhis, Chimène Cloche M ULg; DIGBEHI, Bruno Zéli; ROCHE, Emile et al

in Revue Internationale de Géologie, de Géographie et d'Ecologie Tropicales (2010), 34

This paper gets together palynological informations issued from 34 sites from Atlantic West Africa for making, with the aid of an exhaustive bibliography, the synthesis of the palaeoecological evolution ... [more ▼]

This paper gets together palynological informations issued from 34 sites from Atlantic West Africa for making, with the aid of an exhaustive bibliography, the synthesis of the palaeoecological evolution of the area during the last 20 000 years. From the collected data, the following progressive process was established: the period going from 20 000 to 15 500 yrs BP, characterized by a maximum of aridity, is marked by an important expansion of savannahs. During the post-glacial transition, between 15 500 and 12 000 yrs BP, an increase of heat and moisture results in the renewal of the Guineo-Congolese rainforest in the lowlands and of the afro-mountainous forest in the highlands. From 8000 to 6000 yrs BP, a wet and warm optimum favours the rise of lakes levels and a wide forests’ expansion. Then, a major change of gradual climatic drying out, recorded towards 4000 yrs BP and extended until 2500 yrs BP allows the retreat of forests and the opening of some clumps. From 2500 yrs BP, the climate evolves gradually towards its current stage, with warmer and wetter characters but it presents a certain instability in touch with the global changes of the last two millennia. Human influence on environment in Atlantic West Africa increases principally from 2000 yrs BP interfering during the last millennium with climate-related events, de effects of which it can mask. [less ▲]

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See detailActualités en procédure civile : les demandes incidentes - l'office du juge - le jugement
Biemar, Bénédicte ULg

in Georges, Frédéric; Boularbah, Hakim (Eds.) Actualités en droit judiciaire (2010)

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See detailRank-constrained linear regression: a Riemannian approach
Meyer, Gilles ULg; Bonnabel, Silvère; Sepulchre, Rodolphe ULg

Poster (2010, December)

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See detail3D information is valuable for the detection of humans in video streams
Pierard, Sébastien ULg; Lejeune, Antoine ULg; Van Droogenbroeck, Marc ULg

in 3D Stereo Media (2010, December)

In this paper, we propose a technique based on 3D information (also called depth or range) for the detection of humans. First, a background subtraction technique operates to detect the silhouettes of ... [more ▼]

In this paper, we propose a technique based on 3D information (also called depth or range) for the detection of humans. First, a background subtraction technique operates to detect the silhouettes of humans and objects moving in the scene. Then, a machine learning algorithm is used to predict if a silhouette annotated with depth matches a human silhouette or not. The complete method is designed to cope with defects introduced during the segmentation step. Results, obtained on computer generated data, show that 3D depth data is a valuable information for detecting humans in that it improves over techniques based on binary silhouettes. In our experiments, we have reached an accuracy of 99.9% thanks to the depth information. [less ▲]

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See detailRehabilitation in osteoporosis
Bruyère, Olivier ULg

in Proceedings of the annual congress of the Royal Belgian Society of Physical and Rehabilitation medicine (2010, December)

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See detailUne identité tranquille
Jacquemain, Marc ULg

Article for general public (2010)

L'article défend l'idée que l'identité wallonne s'appuie historiquement sur une revendication sociale plutôt que culturelle: disposer d'une autonomie de gestion pour mener une politique économique plus ... [more ▼]

L'article défend l'idée que l'identité wallonne s'appuie historiquement sur une revendication sociale plutôt que culturelle: disposer d'une autonomie de gestion pour mener une politique économique plus favorable à la région. Cette histoire protège l'identité wallonne de la "passion nationaliste" qui gangrène beaucoup de régions d'Europe et lui donne son contenu spécifique : le consensus social-démocrate. [less ▲]

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See detailStructural and core parameters of the hot B subdwarf KPD 0629-0016 from CoRoT g-mode asteroseismology
Van Grootel, Valérie ULg; Charpinet, Stéphane; Fontaine, Gilles et al

in Astronomy and Astrophysics (2010), 524

Context. The asteroseismic exploitation of long period, g-mode hot B subdwarf pulsators (sdBVs), undermined so far by limitations associated with ground-based observations, has now become possible, thanks ... [more ▼]

Context. The asteroseismic exploitation of long period, g-mode hot B subdwarf pulsators (sdBVs), undermined so far by limitations associated with ground-based observations, has now become possible, thanks to high quality data obtained from space such as those recently gathered with the CoRoT (COnvection, ROtation, and planetary Transits) satellite. Aims. We propose a detailed seismic analysis of the sdBVs star KPD 0629-0016, the first compact pulsator monitored with CoRoT, using the g-mode pulsations recently uncovered by that space-borne observatory during short run SRa03. Methods. We use a forward modeling approach on the basis of our latest sdB models, which are now suitable for the accurate com- putation of the g-mode pulsation properties. The simultaneous match of the independent periods observed in KPD 0629-0016 with those of the models leads objectively to the identification of the pulsation modes and, more importantly, to the determination of the structural and core parameters of the star. Results. The optimal model we found closely reproduces the 18 observed periods retained in our analysis at a 0.23% level on av- erage. These are identified as low-degree (l = 1 and 2), intermediate-order (k = −9 through −74) g-modes. The structural and core parameters for KPD 0629-0016 are the following (formal fitting errors only): Teff = 26 290 ± 530 K, log g = 5.450 ± 0.034, M∗ = 0.471 ± 0.002 M⊙, log (Menv/M∗) = −2.42 ± 0.07, log (1 − Mcore/M∗) = −0.27 ± 0.01, and Xcore(C+O) = 0.41 ± 0.01. We addition- ally derive an age of 42.6 ± 1.0 Myr after the zero-age extreme horizontal branch, the radius R = 0.214 ± 0.009 R⊙, the luminosity L = 19.7 ± 3.2 L⊙, the absolute magnitude MV = 4.23 ± 0.13, the reddening index E(B − V) = 0.128 ± 0.023, and the distance d = 1190 ± 115 pc. Conclusions. The advent of high-precision time-series photometry from space with instruments like CoRoT now allows as demon- strated with KPD 0629-0016 the full exploitation of g-modes as deep probes of the internal structure of these stars, in particular for determining the mass of the convective core and its chemical composition. [less ▲]

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See detailContribution of donors after cardiac death to the deceased donor pool: 2002 to 2009 university of liege experience.
Ledinh, H.; Meurisse, Nicolas ULg; Delbouille, Michèle ULg et al

in Transplantation Proceedings (2010), 42(10), 4369-72

OBJECTIVE: In this study, we have evaluated the organ procurement and transplantation activity from donors after cardiac death (DCD) at our institution over an 8-year period. Our aim was to determine ... [more ▼]

OBJECTIVE: In this study, we have evaluated the organ procurement and transplantation activity from donors after cardiac death (DCD) at our institution over an 8-year period. Our aim was to determine whether this program influenced transplantation programs, or donation after brain death (DBD) activity. METHODS: We prospectively collected our procurement and transplantation statistics in a database for retrospective review. RESULTS: We observed an increasing trend in potential and actual DCD number. The mean conversion rate turning potential into effective donors was 58.1%. DCD accounted for 16.6% of the deceased donor (DD) pool over 8 years. The mean age for effective DCD donors was 53.9 years (range, 3-79). Among the effective donors, 63.3% (n = 31) came from the transplant center and 36.7% (n = 18) were referred from collaborative hospitals. All donors were Maastricht III category. The number of kidney and liver transplants using DCD sources tended to increase. DCD kidney transplants represented 10.8% of the DD kidney pool and DCD liver transplants made up 13.9% of the DD liver pool over 8 years. The DBD program activity increased in the same time period. In 2009, 17 DCD and 33 DBD procurements were performed in a region with a little >1 million inhabitants. CONCLUSION: The establishment of a DCD program in our institution enlarged the donor pool and did not compromise the development of the DBD program. In our experience, DCD are a valuable source for abdominal organ transplantation. [less ▲]

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See detailRapport 2010- Windsteel : développement de solutions en acier pour la construction éolienne
Rigo, Philippe ULg; Amrane, Amirouche ULg; Thiry

Report (2010)

Un logiciel appelé EOL-OS a été développé dans le cadre des WP4 et 5 du projet « Windsteel : développement de solutions en acier pour la construction éolienne ». Cet outil informatique est essentiellement ... [more ▼]

Un logiciel appelé EOL-OS a été développé dans le cadre des WP4 et 5 du projet « Windsteel : développement de solutions en acier pour la construction éolienne ». Cet outil informatique est essentiellement destiné au dimensionnement et à l’optimisation structurelle des éoliennes offshores de type monopile en acier. Toutefois, lors des développements effectués dans le courant du second semestre de l’année 2010, son application aux éoliennes onshore en acier a été rendue également possible. Ce document s’inscrit dans la continuité du rapport technique semestriel S1 de 2010. Il est laissé au lecteur le soin de se référer à ce dernier pour ce qui concerne la nomenclature utilisée pour décrire les structures étudiées ainsi que le détail des modules implémentés au terme des 6 premiers mois de 2010. La première partie du présent rapport concerne les développements effectués sur le logiciel EOL-OS et se focalise en particulier sur les modules implémentés dans le courant du semestre S2 de 2010. La seconde partie traite des résultats d’optimisation obtenus au terme des différentes simulations et tirent des conclusions générales sur le dimensionnement des structures support des éoliennes. [less ▲]

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See detailRenal transplantation from living related donors: a single center experience in viet nam.
Ledinh, H.; Detry, Olivier ULg; Pham, M. S. et al

in Transplantation Proceedings (2010), 42(10), 4389-91

INTRODUCTION: End-stage renal disease is a major public health problem in Viet Nam. A cooperative project between the University of Liege, Belgium, and the University of Medicine Pham Ngoc Thach, Ho Chi ... [more ▼]

INTRODUCTION: End-stage renal disease is a major public health problem in Viet Nam. A cooperative project between the University of Liege, Belgium, and the University of Medicine Pham Ngoc Thach, Ho Chi Minh City, Viet Nam, has permitted the establishment of an autonomous program of renal transplantation from living-related donors at the Peoples' Hospital No 115. The aim of this paper was to report the primary results of the project and to draw conclusions for the future. PATIENTS AND METHODS: From January 2004 to July 2008, we performed 33 living-related renal transplantations. Mean ages of donors and recipients were 31.8 +/- 9.5 and 41.6 +/- 13.5 years, respectively. Laparoscopic nephrectomy was performed in 6 donors. The immunosuppressive regimen consisted of three drugs associated with induction therapy using anti-interleukin-2 receptor monoclonal antibody. RESULTS: The 33 donors are in good health at follow-up. Four developed major intra- or postoperative hemorrhage necessitating transfusion, with a surgical re-exploration in 1 donor. Wound infection occurred in 2 donors. Posttransplant recipient and graft survivals at 1 versus 3 years were 82% and 73% versus 82% and 65%, respectively. Eight recipients presented 13 biopsy-proven acute rejection episodes that were reversible in 7, but 1 patient lost his graft due to an irreversible rejection. Two recipients developed cancer. CONCLUSIONS: These initial results have encouraged us to continue the program of renal transplantation from living-related donors. However, they also pointed out the need to develop other donor sources. [less ▲]

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See detailContract 21539/08/NL/SFe - Advancement of mechanical verification methods for non-linear spacecraft: Nonlinearity identification methods: predictive analyses
Kerschen, Gaëtan ULg; Noël, Jean-Philippe ULg

Report (2010)

The objective of this technical note is to explore the applicability of nonlinear system identification techniques to spacecraft structures. To this end, numerical experiments carried out using the finite ... [more ▼]

The objective of this technical note is to explore the applicability of nonlinear system identification techniques to spacecraft structures. To this end, numerical experiments carried out using the finite element model of the SmallSat spacecraft are used, without, however, having access to the model itself. The constraints imposed by the considered techniques for breadboard testing are also highlighted. [less ▲]

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See detailL2MA-2 Langage oral, langage écrit, mémoire, attention
Chevrie-Muller, Claude; Maillart, Christelle ULg; Simon, Anne-Marie et al

Book published by ECPA (2010)

Batterie d'évaluation du langage oral et écrit destinée aux enfants de CE1 (2ème primaire) à la 6ème.

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