201,923 research outputs found

    Komornicka (Anna M.). Métaphores, personnifications et comparaisons dans l'œuvre d'Aristophane

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    Koster W.J.W. Komornicka (Anna M.). Métaphores, personnifications et comparaisons dans l'œuvre d'Aristophane. In: Revue belge de philologie et d'histoire, tome 44, fasc. 2, 1966. Histoire (depuis la fin de l'Antiquité) - Geschiedenis (sedert de Oudheid) pp. 577-579

    "Mijn buurt is leuk en gezellig!": De betekenis van de buurt voor Marokkaans-Nederlandse jongeren in achterstandswijken

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    Contains fulltext : 203904.pdf (Publisher’s version ) (Open Access)Radboud University, 24 juni 2019Promotor : Meijl, A.H.M. van Co-promotor : Koster, M.218 p

    Dental self-care and dietary characteristics of remote-living Indigenous children

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    LM Jamieson, RS Bailie, M Beneforti, CR Koster, AJ Spence

    Analysis of lung surfactant phosphatidylcholine metabolism in transgenic mice using stable isotopes

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    Stable isotope labelling of lipid precursors coupled with mass spectrometry-based lipidomic analyses and determination of isotope enrichment in substrate, intermediate and product pools provide the parameters needed to determine absolute flux rates through lipid pathways in vivo. Here, as an illustration of the power of such analyses we investigated lung phosphatidylcholine (PC) synthesis in Surfactant Protein-D (SP-D) null mice. These animals develop emphysema, foamy alveolar macrophages and an alveolar lipoproteinosis with increasing age. We used the incorporation of methyl-9-[2H] choline chloride coupled with ESI-MS/MS to quantify absolute rates of lung surfactant PC synthesis and secretion in an SP-D-/? mouse model, together with an analysis of the molecular specificity of lung PC synthesis. PC synthetic rates were comparable in control (0.52 ?moles/lung/h) and SP-D-/? (0.69 ?moles/lung/h) mice, as were rates of surfactant PC secretion (29.8 and 30.6 nmoles/lung/h respectively). Increased lung PC in the SP-D-/? mouse was due to impaired catabolism, with a rate of accumulation of 0.057 ?moles/lung/h. The relatively low rates of surfactant PC secretion compared with total lung PC synthesis were compatible with a suggested ABCA1-mediated basolateral lipid efflux from alveolar type II epithelial cells. Finally, PC molecular species analysis suggested that a proportion of newly-synthesised PC is secreted rapidly into the lung air spaces in both control and SP-D-/? mice before significant PC acyl remodelling occurs<br/

    Sharing Variable Returns of Cooperation

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    A finite set of agents jointly undertake a project. Depending on the aggregate of individual agent characteristics the project runs losses or profits, which have to be shared. This paper adopts the mechanistic view and concentrates on devices that a contingent planner may use in order to share the net profits. The Moulin and Shenker (1994) representation theorem is used to show that additive mechanisms with the constant returns property relate 1 to 1 to rationing methods. Refinements are discussed dealing with monotonicity and equity properties that relate to the dispersion of shares. The second part introduces the notion of a consistent solution. Each rationing method induced by a consistent mechanism is consistent. If such mechanism is continuous as well, then the corresponding rationing method is parametric in the terminology of Young (1998) and Moulin (2000). Most prevalent mechanisms (average, serial, Shapley-Shubik) are consistent as member of the class of incremental mechanisms. Each interval consistent incremental mechanism is shown to be a composition of marginal mechanisms and the average mechanism. Immediately the average mechanism is the unique strongly consistent solution. Finally a characterization of mechanisms within the general class is discussed using super-additivity.

    The Compositae of New Guinea V

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    p. 562 line 14 add: — Luteidiscus St. John, Bot. Jahrb. 94 (1974) 549. Remark: St. John described the new genus Luteidiscus, which differs from Tetramolopium only by the colour of the corolla of the disc-flowers, being yellow in Luteidiscus and purplish in Tetramolopium. When considering the colour in the New Guinea species of Tetramolopium as given by the collectors we find for T. macrum (F. v. M.) Mattfeld var. macrum (dark-)yellow, (dark-)yellowish-brown, (pale-)purple, or purplish (Koster in Nova Guinea, Bot. 24, 1966: 571); for T. macrum var. album Koster purple, purplish, purple-brown, brown, (pale-)yellow with brown tips, dark- or yellowish-brown (l.c. 572); for T. macrum var. glabrescens Koster (light-)yellow, light brownish-purple, lobes with light purplish-red apices (l.c. 572); for T. klossii (S. Moore) Mattfeld f. klossii yellowgreen or purple (l.c. 585); for T. klossii f. lanceolatum Koster yellowish or yellow-brown (l.c. 586). From this we may conclude, that it is not possible to make a distinction between Tetramolopium and Luteidiscus. Consequently, the eight new combinations in Luteidiscus by St. John, based on New Guinea species of Tetramolopium (l.c. 554) should be considered as synonyms of the species of Tetramolopium on which they are based

    Neue wohlgegründete Bremer-Müntze : Nach jetzigem wehrt deß Reichsthalers zu 72. Groten, auff alle Kaufmans Handlung; wie auch hiesiegen und anderer Oerther Ulanz der Wechsel ; In richtige Ordnung nach Art der Practic (so unter Kaufleuten sehr gemein) vor ansahende Jugend, auff begehren verfertigt

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    Durch Peter Koster An ietzo Schuelmeister im Wäysenhause daselbstVorlageform des Erscheinungsvermerks: Bremen, Druckts und Verlegts Arendt Wessels, E. E. Rahts bestalter Buchdrucker, Im Jahr 1664. - Im Kolophon: Bremen, Druckts und Verlegts Arendt Wessels, E. E. Rahts bestaldtem Buchdrucker daselbst. Im Jahr Christi M. DC. LXI

    On the computational complexity of the virtual network embedding problem

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    Given a graph representing a substrate (or physical) network with node and edge capacities and a set of virtual networks with node capacity demands and node-to-node traffic demands, the Virtual Network Embedding problem (VNE) calls for an embedding of (a subset of) the virtual networks onto the substrate network which maximizes the total profit while respecting the physical node and edge capacities. In this work, we investigate the computational complexity of VNE. In particular, we present a polynomial-time reduction from the maximum stable set problem which implies strong NP-hardness for VNE even for very special subclasses of graphs and yields a strong inapproximability result for general graphs. We also consider the special cases obtained when fixing one of the dimensions of the problem to one. We show that VNE is still strongly NP-hard when a single virtual network request is present or when each virtual network request consists of a single virtual node and that it is weakly NP-hard for the case with a single physical node

    Fragmented lives: reconstructing rural livelihoods in post-genocide Rwanda

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    During the genocide in Rwanda (1994) nearly a million Tutsi and moderate Hutu were killed and millions of people were displaced. Since 2002, social scientist Marian Koster has regularly visited the country for her PhD-research at Wageningen University. Her study centred on the strategies that households in the northeast of Rwanda use to secure their livelihoods. During her visits to Rwanda, Koster was told that the poorest and most vulnerable households consist of those headed by women, and specifically those headed by widows. However, her research clearly indicates that this is not the case and that widowed heads of households perform much better than is generally assumed. This has important consequences for development interventions which, in an attempt to reach the poorest of the poor, continue to target widows. Koster’s research also shows that many new laws and policies, meant to increase land tenure security and agricultural production, are counterproductive and directly undermine poor people’s livelihood strategies
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