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See detailAssociation behavior of thermo-responsive block copolymers based on poly(vinyl ethers)
Verdonck, Béatrice; Gohy, Jean-François; Khousakoun, Eric et al

in Polymer (2005), 46(23), 9899-9907

Thermo-sensitive nanosized structures have been prepared in water from poly(methyl vinyl ether)-block-poly(isobutyl vinyl ether) (PMVE-b-PIBVE) block copolymers. The composition and the architecture ... [more ▼]

Thermo-sensitive nanosized structures have been prepared in water from poly(methyl vinyl ether)-block-poly(isobutyl vinyl ether) (PMVE-b-PIBVE) block copolymers. The composition and the architecture (diblock and triblock architectures) of the PMVE-b-PIBVE copolymers have been varied. The investigated copolymers had an asymmetric composition with a major PMVE block, While the PIBVE blocks are hydrophobic, the PMVE blocks are hydrophilic at room temperature and become hydrophobic above their demixing temperature (around 36 degrees C) as a result of the lower critical solution temperature (LCST) behavior. At room temperature, the amphiphilic copolymers aggregate in water above a critical micelle concentration, which has been experimentally measured by hydrophobic dye solubilization. The hydrodynamic diameter of the structures formed above the cmc has been measured by dynamic light scattering (DLS) while their morphology has been studied by transmission electron microscopy (TEM). H-1 NMR measurements in D2O at room temperature reveal that the aggregates contain PIBVE insoluble regions surrounded by solvated PMVE chains. These investigations have shown that polydisperse spherical micelles are formed for asymmetric PMVE-b-PIBVE copolymers containing at least 9 IBVE units. For copolymers containing less IBVE units, loose aggregates are formed. Finally, the thermo-responsive, reversible properties of these structures have been investigated. Above the cloud point of the copolymers, the loose aggregates precipitate while the micelles form large spherical structures. [less ▲]

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See detailOrganiser l'enseignement des langues dans l'institution et dans les classes
Defays, Jean-Marc ULiege

in Jaafar, Khalid (Ed.) Actes des Journées d'études : "Langue, Communication et Informatique" (2005, November 14)

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See detailCombination of ring-opening polymerization and "click" chemistry towards functionalization of aliphatic polyesters
Riva, Raphaël ULiege; Schmeits, Stephanie ULiege; Stoffelbach, François et al

in Chemical Communications (2005), (42), 5334-5336

Azide pendent groups of aliphatic polyesters have been derivatized into tertiary amines, ammonium salts and poly(ethylene oxide) grafts. The experimental conditions have been optimized (organic solvent ... [more ▼]

Azide pendent groups of aliphatic polyesters have been derivatized into tertiary amines, ammonium salts and poly(ethylene oxide) grafts. The experimental conditions have been optimized (organic solvent, 35 degrees C), such that the aliphatic polyesters are not degraded, including even poly(lactide) which is very sensitive to attack by weak nucleophiles. [less ▲]

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See detailLa fin du théologico-politique chez Hobbes et chez Spinoza
Herla, Anne ULiege

Conference given outside the academic context (2005)

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See detailLa réserve d’office des intérêts civils par le juge pénal et la mise en état des causes ( le nouvel article 4 du titre préliminaire du Code de procédure pénale )
Michiels, Olivier ULiege

in Journal des Tribunaux (2005), 6199

Le nouvel article 4 du titre préliminaire du Code de procédure pénale — tel que modifié par la loi du 13 avril 2005 — contient deux lignes de force. D’une part, il étend la réserve d’office des intérêts ... [more ▼]

Le nouvel article 4 du titre préliminaire du Code de procédure pénale — tel que modifié par la loi du 13 avril 2005 — contient deux lignes de force. D’une part, il étend la réserve d’office des intérêts civils par le juge répressif à toutes les affaires pénales et ce quel que soit le mode de saisine de la juridiction compétente. D’autre part, il organise une procédure de mise en état devant permettre aux parties intéressées d’obtenir un calendrier aux fins qu’il soit statué sur les intérêts civils. La contribution qui suit entend d’abord rappeler les modalités de l’exercice de l’action civile devant la juridiction pénale. Par la suite, elle s’attache à cerner les principes qui régissent la réserve d’office des intérêts civils et ses implications, tout particulièrement, sur les voies de recours et la prescription. Enfin, la dernière partie de l’article s’attache à examiner les divers problèmes engendrés par la mise en état des intérêts civils devant le juge pénal et les solutions susceptibles d’y être apportées. [less ▲]

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See detailIntegrazione scolastica e immigrazione in Europa
Lucchini, Silvia ULiege

Conference given outside the academic context (2005)

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See detailDynamic Modelling, Simulation Analysis---Useful for Understanding Biology?
Bullinger, Eric ULiege

Scientific conference (2005, November 11)

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See detailProjet Khartês. Méthode d’édition de chartes originales. Philosophie d’encodage
Mazziotta, Nicolas ULiege

Scientific conference (2005, November 10)

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See detailLa représentation médiatique des travailleurs migrants dans la presse de Shenzhen
Florence, Eric ULiege

Scientific conference (2005, November 10)

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See detailBird and Environment
SETHI, Vinaya K.; Loneux, Michèle ULiege; BHATT, Dinesh

in Current Science (2005), 89(9), 1461-1462

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See detailAnnular Groove Phase Mask Coronagraph
Mawet, D.; Riaud, Pierre ULiege; Absil, Olivier ULiege et al

in Astrophysical Journal (2005), 633

We present a new phase mask coronagraph consisting in an optical vortex induced by a space-variant surface relief subwavelength grating. Phase mask coronagraphy is a recent technique aiming at ... [more ▼]

We present a new phase mask coronagraph consisting in an optical vortex induced by a space-variant surface relief subwavelength grating. Phase mask coronagraphy is a recent technique aiming at accommodating both high dynamic and high angular resolution imaging of faint sources around bright objects such as exoplanets orbiting their parent stars or host galaxies of active galactic nuclei. Subwavelength gratings are known to be artificially birefringent. Their unique dispersive characteristics can be controlled through the grating geometry in order to synthesize achromatic phase shifters. We show that implementing them in a ring-shaped way produces a fully symmetric and achromatic coronagraph without any gap or ``dead zone.'' The practical manufacturing of the device is also discussed. [less ▲]

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See detailL’eLearning, Cheval de Troyes de la qualité pédagogique
Poumay, Marianne ULiege

Conference given outside the academic context (2005)

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See detailGrande bourgeoisie et politique en Belgique. L’exemple de l’industrie des médias
Geuens, Geoffrey ULiege

Conference given outside the academic context (2005)

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See detailCartographie de l’accessibilité par les alternatives à la voiture
Cornet, Yves ULiege; Daxhelet, D.; Halleux, Jean-Marie ULiege et al

Conference (2005, November 09)

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See detailSéance d'information sur les mémoires (Présentation Powerpoint)
Simons, Germain ULiege; Delville, Michel ULiege

Diverse speeche and writing (2005)

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See detailHigh-Order, High-Frequency Methods for Wave Scattering I, II and III
Geuzaine, Christophe ULiege

Scientific conference (2005, November 07)

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See detailCultures de la qualité des services et cultures de l'accompagnement dans le secteur de l'éducation des jeunes enfants : essai de théorisation
Pirard, Florence ULiege

Doctoral thesis (2005)

La thèse se présente comme un essai de théorisation des conceptions de la qualité des services et de leur accompagnement dans le secteur de l'éducation des jeunes enfants. Elle appréhende celles-ci sous ... [more ▼]

La thèse se présente comme un essai de théorisation des conceptions de la qualité des services et de leur accompagnement dans le secteur de l'éducation des jeunes enfants. Elle appréhende celles-ci sous le prisme de cultures, marquant le caractère construit de l'objet de recherche. Inspirée des méthodologies de la théorisation ancrée, elle propose deux approches complémentaires. La première interroge les usages de la notion de qualité dans les recherches sur l'éducation des jeunes enfants de manière à la fois diachronique et internationale ainsi que la référence à l'accompagnement dans les publications récentes parues en sciences de l'éducation et de la formation. La deuxième approche consiste à analyser les conceptions de la qualité des services et de leur accompagnement dans des débats menés dans des dispositifs de formation que l'auteure a elle-même mis en place. [less ▲]

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See detailVers une démarche structurée de gestion forestière intégrée et participative
Rondeux, Jacques ULiege

Learning material (2005)

This paper is aiming at presenting the main guidelines of a structured approach to an integrated forest management. Such a type of management that can be defined as being a concerted multipurpose ... [more ▼]

This paper is aiming at presenting the main guidelines of a structured approach to an integrated forest management. Such a type of management that can be defined as being a concerted multipurpose management takes into account numerous objectives that forest should be able to fulfil as well as the opinions of the actors involved in the forestry world. This approach consists of an evaluation and a subsequent multicriteria comparison of possible management alternatives. These management options and the expected consequences of their application on the future forest in terms of structure, composition and ability to meet all the expectations must be analyzed. In this respect scenario modellings are built, using simulations that suppose a good and very large knowledge of species autecology, site quality, level of biological quality. Various criteria and indicators are then used to assess the capacity of each alternative to achieve each defined and concerted objective. This is the starting point for comparisons between the management alternatives, based on the multicriteria decision-making technique, the so called ELECTRE III. This promising method has been tested in the context of a belgian pilot forest covering nearly 800 hectares in which foresters, private and public forest owners, hunters, naturalists, walkers and some other stakeholders are deeply involved. [less ▲]

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