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See detailAuroral signatures of multiple magnetopause reconnection at Saturn
Radioti, Aikaterini ULg; Grodent, Denis ULg; Gérard, Jean-Claude ULg et al

in Geophysical Research Letters (2013)

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See detailAuroral signatures of reconnection at Saturn and comparison with Earth
Radioti, Aikaterini ULg

Conference (2014, July)

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See detailAn auroral source of hot oxygen in the geocorona
Shematovich, V. I.; Bisikalo, D. V.; Gérard, Jean-Claude ULg

in Geophysical Research Letters (2005), 32

The high-energy proton-hydrogen (H[SUP]+[/SUP]/H) beam associated with proton auroral precipitation transfers momentum in elastic and inelastic collisions with ambient thermal atomic oxygen in the high ... [more ▼]

The high-energy proton-hydrogen (H[SUP]+[/SUP]/H) beam associated with proton auroral precipitation transfers momentum in elastic and inelastic collisions with ambient thermal atomic oxygen in the high latitude thermosphere. This process provides a localized novel source of hot oxygen atoms in addition to exothermic photochemistry, charge exchange and momentum transfer from O[SUP]+[/SUP] ion precipitation and charge exchange with accelerated ionospheric O[SUP]+[/SUP] ions. We suggest that this source contributes to the population of the hot oxygen geocorona and to the flux of escaping oxygen atoms. For an incident proton energy flux of 1 mW m[SUP]-2[/SUP] and a mean energy E[SUB]mean[/SUB] ~ 5 keV, we calculate a density of hot oxygen atoms with energy above 1 eV of 2.0 × 10[SUP]3[/SUP] cm[SUP]-3[/SUP] and a mean kinetic energy of about 3.5 eV at 700 km. The total upward flux of hot oxygen atoms with energies higher 1 eV is estimated as 3.5 × 10[SUP]8[/SUP] cm[SUP]-2[/SUP] s[SUP]-1[/SUP]. [less ▲]

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See detailAuroral streamers and magnetic flux closure
Hubert, Benoît ULg; Kauristie, K.; Amm, O. et al

in Geophysical Research Letters (2007), 34(15),

On 7 December 2000 at 2200 UT an auroral streamer was observed to develop above Scandinavia with the IMAGE-FUV global imagers. The ionospheric equivalent current deduced from the MIRACLE-IMAGE ... [more ▼]

On 7 December 2000 at 2200 UT an auroral streamer was observed to develop above Scandinavia with the IMAGE-FUV global imagers. The ionospheric equivalent current deduced from the MIRACLE-IMAGE Scandinavian ground-based network of magnetometers is typical of a substorm-time streamer. Observations of the proton aurora using the SI12 imager onboard the IMAGE satellite are combined with measurements of the ionospheric convection obtained by the SuperDARN radar network to compute the dayside merging and nightside flux closure rates. On the basis of this and other similar events, it is found that auroral streamers appear during the period of most intense flux closure in the magnetotail, most often shortly after substorm onset. The ionospheric convection velocity, as measured by SuperDARN, appears to be reduced in the vicinity of the streamer, suggesting de-coupling of magnetospheric and ionospheric plasma flows in the region of enhanced ionospheric conductance. [less ▲]

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See detailAuroral ultraviolet emissions
Gérard, Jean-Claude ULg

in Physics and chemistry of atmospheres (1975)

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See detailL'Aurore des fanzineux
Capart, Philippe; Dejasse, Erwin ULg; Paques, Frédéric ULg

in Art&Fact (2012), 31

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See detailLes aurores boréales sur les planètes géantes. La « crise énergétique des planètes géantes »
Grodent, Denis ULg

Conference given outside the academic context (2011)

Les planètes géantes comme Jupiter et Saturne ont en commun une masse importante, l’absence de surface, une atmosphère dominée par l’hydrogène moléculaire et l’hélium ainsi qu'une grande variété ... [more ▼]

Les planètes géantes comme Jupiter et Saturne ont en commun une masse importante, l’absence de surface, une atmosphère dominée par l’hydrogène moléculaire et l’hélium ainsi qu'une grande variété d’hydrocarbures. Leur rotation rapide est à l'origine d'un champ magnétique particulièrement intense qui permet de transférer de grandes quantités d'énergie de la planète vers les particules ionisées qui les entourent. Cet échange s'effectue via des courants électriques extrêmement intenses qui, en interagissant avec l'atmosphère, provoquent des émissions aurorales. Nous décrirons des processus de précipitation d’électrons énergétiques dans l'atmosphère de Jupiter et nous nous intéresserons aux spectaculaires aurores polaires qui leur sont associées. Ces dernières seront illustrées par des images et animations obtenues dans l’ultraviolet à l’aide du Télescope Spatial Hubble. Nous montrerons comment les précipitations aurorales contrôlent dans une large mesure la température de la haute atmosphère de ces planètes et permettent de résoudre la « crise énergétique » des planètes géantes. [less ▲]

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See detailLes aurores dans le système solaire
Grodent, Denis ULg

Conference given outside the academic context (2002)

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See detailLes aurores de Jupiter et Saturne : la crise énergétique des planètes géantes
Grodent, Denis ULg

Conference given outside the academic context (2011)

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See detailAurores sur les planètes géantes
Bonfond, Bertrand ULg

Scientific conference (2011, December 08)

Depuis les premières détections d'émissions aurorales par les sondes Voyager à la fin des années 70, nos connaissances des aurores de Jupiter et de Saturne ont considérablement progressé. Je présenterai ... [more ▼]

Depuis les premières détections d'émissions aurorales par les sondes Voyager à la fin des années 70, nos connaissances des aurores de Jupiter et de Saturne ont considérablement progressé. Je présenterai ici quelques uns des derniers résultats obtenus à l'aide du télescope spatial Hubble et de la sonde Cassini en orbite autour de Saturne. Ces images acquises dans le domaine ultraviolet révèlent une complexité que l'on commence seulement à appréhender. Assemblées en séquences, elles dévoilent une dynamique surprenante. Flashs, pulsations, expansions, contractions, apparitions, disparitions, fusions, séparations et mouvements relatifs de structures étendues sur des dizaines de milliers de kilomètres ou localisés sur quelques centaines de kilomètres : la diversité des comportements que nous observons est le témoignage de la richesse des processus en œuvre dans les magnétosphères de Jupiter et Saturne. Lunes exotiques, volcans et geysers colossaux, champs magnétiques gigantesques et rotations planétaires rapides sont les ingrédients de ce surprenant laboratoire de physique des plasmas. [less ▲]

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See detailAurores, les lumières atmosphériques
Nazé, Yaël ULg

Article for general public (2009)

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See detailAuschwitz – ein Symbol?
Pontzen, Alexandra ULg

in Literaturkritik.de (2009)

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See detailAuscultation of cardiac murmurs in horses
Amory, Hélène ULg

in Proceedings of 12th Moscow International Veterinary Congress (2004)

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See detailAusdauer versus kraft-ausdauertraining bei freizeitsadsportlern
Weiler, B.; Urhausen, A.; Dahm, C. et al

in Abstractband "Deutsche Zeitschrift für sportmedizin" (1999, September)

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See detailThe Australian Apology in Fiction: Gail Jones’s Sorry
Belleflamme, Valérie-Anne ULg

Conference given outside the academic context (2013)

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See detailThe Australian Apology in Fiction: Gail Jones's Sorry
Belleflamme, Valérie-Anne ULg

Master's dissertation (2013)

My dissertation focuses on Sorry, a novel by the Australian academic and writer Gail Jones. The novel centres on the friendship between an Aboriginal girl, Mary, and a white girl, Perdita, and hints at an ... [more ▼]

My dissertation focuses on Sorry, a novel by the Australian academic and writer Gail Jones. The novel centres on the friendship between an Aboriginal girl, Mary, and a white girl, Perdita, and hints at an ideal of reconciliation. It is thus against the background of the Australian Reconciliation that my dissertation first attempts to set apart colonial trauma from the Eurocentric trauma model, avoiding in this way any conflation of national tragedies and warning against the Western tendency to trivialise colonial traumatic experiences. It is my contention that one should resist the attitude consisting of homogenizing all colonial experience into the same sort of victim complex. This phenomenon of victimization is allegorically illustrated in Sorry through the first-person narrator, that is, the adult Perdita. Reflecting retrospectively on her childhood, she adopts a discourse tinged with trauma envy that allegorically echoes the ambiguities of the reconciliation policy. My dissertation then explores how Jones employs the trope of the spectral and draws upon Gothic terminology on the narrative level in order to centre on the repetitive and enigmatic occurrence of trauma on the plot level. In addition to the fragmented structure of the novel’s narrative, the mixing of genres and the wavering between fiction and testimony suggest the pertinence of an allegorical reading. I believe that this gives Jones, even as a white writer, the otherwise so controversial ‘right’ to tackle the highly delicate issue of silence in narratives dealing with Indigenous characters. Moreover, through her use of fiction and of different forms of indirection, such as perspective and intertextuality, Jones avoids the appropriation of Indigenous testimony: the first-person narrator, that is, the adult Perdita, gradually silences Mary by superseding the latter’s trauma (as the victim of rape) with her own trauma (of murdering her father). Young Perdita, by contrast, is not silenced in spite of her stutter and disrupted speech; indeed the reader gains access to her thoughts retrospectively. In addition, in order to mirror at a formal level the effects of trauma, Jones resorts to literary techniques and stylistic features which evoke as faithfully as possible the effects of trauma. Sorry thus shares numerous features with trauma fiction and unites testimony and fiction. By the same token, intertextuality mirrors the repetitive effects of trauma and its belatedness and highlights the role of the reader, who plays the part of an active agent determining the meanings connecting the source-text to its rewriting. My dissertation therefore eventually investigates the notion of Shakespearean and Conradian intertextuality. [less ▲]

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See detailThe Australian Apology in Fiction: Gail Jones’s Sorry
Belleflamme, Valérie-Anne ULg

Scientific conference (2014, November 28)

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See detailAuswahl eines Antispastikums unter Berücksichtigung der jeweils vorliegenden Pathophysiologie der Spastizität
Delwaide, P. J.; Schoenen, Jean ULg

in Conrad, B.; Benecke, R.; Bauer, H. J. (Eds.) Die Klinische Wertung der Spastizität (1984)

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See detailAuswahl und Ausbildung des Lehres
de Landsheere, Gilbert ULg

in Schuller, Alexander (Ed.) Lehrerolle im Wandel (1971)

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