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See detailPoor Performance of a Retrofitted Downstream Bypass Revealed by the Analysis of Approaching Behaviour in Combination with a Trapping System
Ovidio, Michaël ULg; Dierckx, Arnaud ULg; Bunel, Sarah et al

in River Research & Applications (2017), 33

The implementation of fish downstream migration bypass systems is still a major challenge, and there is interest in validating the adequacy of different configurations of bypass devices. In the Amblève ... [more ▼]

The implementation of fish downstream migration bypass systems is still a major challenge, and there is interest in validating the adequacy of different configurations of bypass devices. In the Amblève River (Belgium), a mobile 3.3-m height dam feeds two principal Francis and one Francis micro-turbine and is equipped with a modern vertical slot fish pass and a downstream bypass. The aim of this study was to test the bypass attraction and efficiency (i.e. percentage of fish that approach the entrance and use the bypass) for Atlantic salmon smolts. During three consecutive years, a total of 1346 smolts were equipped with a radio frequency identification tag and released from March to May upstream of the dam of Lorcé. The entrance of the downstream migration bypass was equipped with a radio frequency identification antenna in order to detect the smolts approaching. In 2014, a capture cage was also placed downstream the bypass to evaluate its efficiency. The mean percentage of detected smolts at the entrance varied from 26.2 to 39.7%. In 2014, 16.5% of the released smolts entered the bypass and were finally caught in the cage, representing 39% of the smolts detected at the entrance. More than 98% of the detections occurred during night (mainly between 9 PM and 3 AM). The searching delay near the bypass entrance varied from less than 5 min to more than 5 days (median 4.3 min). Visual observation indicated a behavioural reluctance before entering the bypass, with a shift from positive to negative rheotaxy. Our results underline the difficulty to install retrofitted bypass system on old existing hydropower plants. Copyright © 2016 John Wiley & Sons, Ltd. [less ▲]

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See detailLes Grecs ont-ils étudié le latin ? Quelques témoignages littéraires datant du Haut-Empire
Rochette, Bruno ULg

in Favreau-Linder, Anne-Marie; Lalanne, Sophie; Vix, Jean-Luc (Eds.) Passeurs de culture (2017)

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See detailChemical Composition and Acaricidal Activity of Thymus algeriensis Essential Oil against Varroa destructor
Kouache, Benmoussa; Brada, Moussa; Saadi, Abdelkader et al

in Natural Product Communications (2017), 12(0), 1-4

The aim of the present study was to determine the chemical composition and evaluate the acaricidal activity of Thymus algeriensis essential oil (TAEO) against Varroa destructor. This ectoparasitic mite is ... [more ▼]

The aim of the present study was to determine the chemical composition and evaluate the acaricidal activity of Thymus algeriensis essential oil (TAEO) against Varroa destructor. This ectoparasitic mite is a pest of the honey bee Apis mellifera. The essential oil from the aerial parts of T. algeriensis, obtained by hydrodistillation, was obtained in a yield of 2.8± 0.2%, w/w. The TAEO was analyzed by GC and GC/MS. Thirty-four compounds were identified, representing 99.3% of the oil. The main constituents were carvacrol (48.4%), γ-terpinene (14.9%), p-cymene (14.7%), and thymol (5.6%). Four lots were constituted at the level of an apiary in order to study the dynamics of the Varroa destructor and its host, Apis mellifera. After diagnosis by the biological method "install of diapers", the lots were treated at different doses of TAEO (0.1, 0.3 and 0.5%). TAEO was sprayed on top of the hives. The results show that TAEO at 0.5% resulted in a decrease in the rate of infestation of Varroa destructor, causing a mortality rate of 32.6% without negative effect on the nesting of the queen. The essential oil of T. algeriensis could be used as a bioacaricidal agent. [less ▲]

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See detailComparison of clinical effects of epidural levobupivacaine morphine versus bupivacaine morphine in dogs undergoing elective pelvic limb surgery
Cerasoli, Ilaria; Tutunaru, Alexandru-Cosmin ULg; Cenani, Alessia et al

in Veterinary Anaesthesia & Analgesia (2017)

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See detailLouise de Savoie. The King's Mother
Fagnart, Laure ULg; Winn, Mary Beth

in Broomhall, Susan (Ed.) Women and Power at the French Renaissance Court (2017)

Louise de Savoie occupies a singular place at the French royal court : neither queen nor queen-mother, but mother of the King, she nonetheless played a prominent role in the political and cultural affairs ... [more ▼]

Louise de Savoie occupies a singular place at the French royal court : neither queen nor queen-mother, but mother of the King, she nonetheless played a prominent role in the political and cultural affairs of France. Daughter of Philippe de Bresse, duc de Savoie, she was raised at the court of her aunt, Anne de France, and married in 1488 at age 11 to Charles d’Angoulême, head of a cadet branch of the royal house of Valois. At Cognac where the couple resided, she gave birth to her illustrious children, Marguerite in 1492, and François in 1494. After the sudden death of her husband in 1496, she was herself still too young to be appointed their official guardian. Obliged to share that responsibility with Louis d’Orléans who became king in 1498, the young widow nonetheless asserted her authority in their education. How she succeeded in establishing her place at court, while her son, at first a distant heir to the throne, rose to be king in 1515, can be viewed through her astute patronage of arts and letters. Keenly aware of the power of books and images, Louise multiplied commissions that would reinforce her own position and that of her family and entourage, striving to align herself with illustrious women, past and present. Identified with “Dame Prudence” as she overcame obstacles and rivals, Louise de Savoie’s tenacious devotion to her children culminated in power that was fully recognized in the appointment of « Madame » as Regent of France. [less ▲]

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See detailLiguarum diuersitas. Réflexions sur l’expérience du multilinguisme dans l’Antiquité gréco-romaine
Rochette, Bruno ULg

in Perrin-Saminadayar, Eric (Ed.) Le multilinguisme dans la méditerranée antique (2017)

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See detailInterleukin 13-mediated colitis in the absence of IL-4Rα signalling
Hoving, Jennifer C; Cutler, Antony J; Leeto, Mosiuoa et al

in Gut (2017)

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See detailA computational model of mid-term outage scheduling for long-term system studies
Marin, Manuel ULg; Karangelos, Efthymios ULg; Wehenkel, Louis ULg

in PowerTech Manchester 2017 Proceedings (2017)

This paper presents a computational model of the mid-term outage scheduling process of electric power transmis- sion assets, to be used in long-term studies such as mainte- nance policy assessments and ... [more ▼]

This paper presents a computational model of the mid-term outage scheduling process of electric power transmis- sion assets, to be used in long-term studies such as mainte- nance policy assessments and system development studies, while accounting for the impact of outage schedules on short-term system operation. We propose a greedy algorithm that schedules the outages one by one according to their impact on system operation estimated via Monte-Carlo simulations. The model is implemented in JULIA and applied to the IEEE RTS-96. [less ▲]

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See detailWorld-System Analysis 2.0: Globalized Science in Centers and Peripheries
Delvenne, Pierre ULg; Kreimer, Pablo

in Tyfield, David; Lave, Rebecca; Randalls, Samuel (Eds.) et al Handbook of the Political Economy of Science (2017)

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See detailLe mythe de la donation de sens. Motivation de la noèse par le donné
Leclercq, Bruno ULg

in Pradelle, Dominique (Ed.) Intentionalité, sens, psychologisme (2017)

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See detailSémiotique et logique
Badir, Sémir ULg; Leclercq, Bruno ULg

in Biglari, Amir; Roelens, Nathalie (Eds.) Sémiotique en interface (2017)

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See detailLa géographie linguistique au nord du domaine d'oïl
Baiwir, Esther ULg

in Bien Dire et Bien Aprandre : Bulletin du Centre d'Etudes Médiévales et Dialectales de l'Université de Lille III (2017), 32

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See detailDecidable properties of extension graphs for substitutive languages
Dolce, Francesco; Kyriakoglou, Revekka; Leroy, Julien ULg

E-print/Working paper (2017)

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See detailSartre, une anthropologie politique
Cormann, Grégory ULg

Book published by Peter Lang (2017)

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See detailHumnétriai… Un rite mis en images chez Philostrate
Pironti, Gabriella; Pirenne-Delforge, Vinciane ULg

in Calame, Claude; Ellinger, Pierre (Eds.) Du récit au rituel par la forme esthétique. Poèmes, images et pragmatique cultuelle en Grèce ancienne (2017)

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See detail"Des muets qui veulent parler". Lectures politiques, des Temps Modernes à L'Idiot de la famille
Cormann, Grégory ULg

in Bolmain, Thomas; Cormann, Grégory (Eds.) Politiques de la littérature. Bourdieu, Sartre, Foucault (2017)

Detailed reference viewed: 44 (4 ULg)