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See detailPCBs, PBDEs AND THEIR HYDROXYLATED METABOLITES IN SERUM OF FREE-RANGING HARBOUR SEALS (PHOCA VITULINA): LEVELS AND PROFILES
Weijs, Liesbeth; Das, Krishna ULg; Siebert, Ursula et al

in Organohalogen Compounds (2008), 70

The objective of the present study was to investigate the levels and profiles of PCBs, PBDEs and their hydroxylated metabolites in blood of free-ranging harbour seals in order to elucidate the metabolism ... [more ▼]

The objective of the present study was to investigate the levels and profiles of PCBs, PBDEs and their hydroxylated metabolites in blood of free-ranging harbour seals in order to elucidate the metabolism of PCBs and PBDEs. [less ▲]

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See detail‘Une véritable frénésie de jouissance…’. Prostitution juvénile et armées d’occupation en Belgique (1940-1945)
François, Aurore ULg

in Revue d'Histoire de l'Enfance "Irrégulière": Le Temps de l'Histoire (2008), 9

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See detailIMPROVE - Design of Improved and Competitive Products using an Integrated Decision Support System for Ship Production and Operation
Rigo, Philippe ULg; Dundara; Guillaume-Combecave, J.-L. et al

in COMPIT’2008, Edit. Rigo-Bertram, Univ. of Liege, Belgium, ISBN-10 2-9600785-0-0 (2008)

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See detail1.2 Evolution du cadre législatif et prise en charge des mineurs - Introduction
Gavray, Claire ULg

in Bailleau, Francis (Ed.) Evolution ou rupture ? La justice des mineurs en question (2008)

acts devoted to the evolutions in the European systems of justice of the minors.

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See detailL’animatique des groupes : Esquisse d’un nouveau champ de recherche en formation des adultes.
Faulx, Daniel ULg

in Education Permanente (2008), 174

This paper results from the proposal to create a new discipline, located at the junction between group dynamics, psychosociology and education sciences : the science of group facilitation. We consider the ... [more ▼]

This paper results from the proposal to create a new discipline, located at the junction between group dynamics, psychosociology and education sciences : the science of group facilitation. We consider the reasons to create such a field and what its main goals and theorical basis would be. We then developp five axes which could constitute the field of the science of group facilitation. [less ▲]

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See detailLa passation des marchés publics des pouvoirs locaux : art et méthode
Durviaux, Ann-Lawrence ULg

Conference given outside the academic context (2008)

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See detailInland Waterway Traffic Simulator
Watanabe, S.; Hasegawa, K.; Rigo, Philippe ULg

in COMPIT’2008, Edit. Rigo-Bertram, Univ. of Liege, Belgium (2008)

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See detailBluetongue: Epidemiology in the European Union
Saegerman, Claude ULg; Berkvens, D.; Mellor, P. S.

in Bluetongue in northern Europe (2008)

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See detailLe sadique, l'imbécile et la guichetière
Dumortier, Jean-Louis ULg

in Argos (2008), 43

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See detailLaser-induced-fluorescence lifetime measurements and relativistic Hartree-Fock oscillator strength calculations in singly ionized platinum
Quinet, Pascal ULg; Palmeri, P.; Fivet, V. et al

in Physical Review. A (2008), 77

Radiative lifetimes of eight odd-parity states of Pt II, in the energy range from 51 408 to 64 388 cm−1, have been measured by means of the time-resolved laser-induced-fluorescence technique. Free, singly ... [more ▼]

Radiative lifetimes of eight odd-parity states of Pt II, in the energy range from 51 408 to 64 388 cm−1, have been measured by means of the time-resolved laser-induced-fluorescence technique. Free, singly ionized platinum ions were obtained in a laser-produced plasma and a tunable laser with 1.5 ns duration pulse was used to selectively excite the Pt+ ions. The comparison of the experimental results with relativistic Hartree-Fock calculations emphasizes the importance of valence-valence correlation and of core-polarization effects in this complex ion. A new and extensive set of calculated oscillator strengths and transition probabilities is reported in the present paper. [less ▲]

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See detailBluetongue: General introduction
Saegerman, Claude ULg; Revieriego-Gordejo, F.; Pastoret, Paul-Pierre ULg

in Bluetongue in northern Europe (2008)

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See detailDendrochronologie toegepast op houten platkernen. Methodologie en enkele concrete voorbeelden uit de handschriften van de kruisheren van Luik en Hoei bewaard in de universiteitbibliotheek van Luik
Eeckhout, Jérôme ULg; Failla, Salvatore; Fraiture, Pascale

in Knapen, Luc; Kenis, Leo (Eds.) Hout in Boeken, houten boeken en de fraaye konst van houtdraayen (2008)

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See detailVers plus d'autonomie. Dynamique des apprentissages : le transfert
Jancart, Sylvie ULg

Learning material (2008)

Travail intégré présenté en vue de l'obtention du certificat de réussite à la formation CAPAES

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See detailCompte-rendu de l'ouvrage de M. Melfi : I Santuari di Asclepio in Grecia, I
Nissen, Cécile ULg

in Kernos : Revue Internationale et Pluridisciplinaire de Religion Grecque (2008), 21

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See detailUse of the daily differencing approach to evaluate uncertainties affecting eddy covariance measurements
Laffineur, Quentin ULg; Aubinet, Marc ULg

Poster (2008)

The eddy covariance technique is recognised to be the most adapted micrometeorological method to study the exchange processes between terrestrial ecosystems and the atmosphere. Like all other methods, it ... [more ▼]

The eddy covariance technique is recognised to be the most adapted micrometeorological method to study the exchange processes between terrestrial ecosystems and the atmosphere. Like all other methods, it is submitted to systematic and random measurement errors. A thorough analysis of these errors is necessary in order to set the limits of validity of the method and to quantify the uncertainty that affects net carbon exchange computed with this method. In this presentation, we’ll concentrate on the random errors using the dailydifferencing approach (DDA) developed by Hollinger and Richardson (2005). The interest of this approach is that it requests only single tower measurements and is thus applicable to all flux tower sites. In this approach, uncertainties are estimated by comparing flux values taken at two successive days at the same hour and under similar meteorological conditions. The analysis may be applied to sensible heat, latent heat and CO2 flux densities. It was applied here to the eddy-covariance data from the Vielsalm mixed forest site (10 years of data) and from the Lonzée agricultural site (4 years of data). Both sites are situated in Belgium and are part of the Carboeurope IP network. The study is developed in the frame of the European IMECC project. The absolute and relative random error was quantified for both sites. Their daily evolution and their dependencies on different climate conditions (magnitude of the flux, PPFD, Rnet, wind velocity, wind direction, clarity index) were analysed. For both sites, the absolute random error increases linearly with the absolute value of flux. This is the principal factor controlling the random error. More particularly the response of the random error to wind velocity was analysed. For the CO2 flux, the absolute random error decreases with increasing wind speed. This effect is more important for the agricultural site than for the forest site. The behaviour of the relative random error with wind speed is more contrasted: it generally decreases with increasing wind speed at low velocities but, for some directions may increase with wind speed at high velocities. In addition, the random error was found very dependent on wind direction at the forest site probably as a result of site heterogeneity. [less ▲]

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