100,868 research outputs found

    Cydistomyia torresi

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    <i>Cydistomyia torresi</i> (Ferguson and Hill) <p>CENTRAL PROVINCE: Brown R., near Pt. Moresby, 22 Oct 1963, D. K. McAlpine (AMSA); 3.2 km S Vanapa, Brown River Rd., malaise trap, 24-26 May 1965, W. A. Steffan (AMSA); 3.2 km S Vanapa, Brown River Rd., malaise trap, 24-26 May 1965, W. A. Steffan & Yiau-Min Huang (AMSA); Doa Estate, 50 mi W of Port Moresby, 2-4 Nov 1962, R. Straatman (AMSA).</p> <p>EAST SEPIK PROVINCE: Bainyik, T.P.N.G., malaise trap, 21 June 1961, J. L. Gressitt (BPBM).</p> <p>MOROBE PROVINCE: Sago / Mangrove Swamp, 30 m, 0.75 km W of Lababia, 16-19 Feb 1998, J. T. Goodwin (FSCA); Sago Swamp, 10 m, 0.25 km W of Lababia, 16-19 Feb 1998, J. T. Goodwin (FSCA); Mountain Rainforest, 50-250 m, 1-3 km W of Lababia, 20-22 Dec 1997 1998, J. T. Goodwin (FSCA). Gabensis, PNG F.P.L.A, attracted to human, 19 Dec 1984, H. Ivagai (FRIL); Wau, 1200m, M. V. light, 29-30 Sept 1963, J. Sedlacek (AMSA).</p>Published as part of <i>Goodwin, James T., 2010, New species of Cydistomyia Taylor with notes and collection records for other Tabanidae (Diptera) from New Guinea, pp. 1-22 in Insecta Mundi 2010 (117)</i> on page 18, DOI: <a href="http://zenodo.org/record/4531547">10.5281/zenodo.4531547</a&gt

    When is migration voluntary?

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    In this paper we critically evaluate the role that the notion of voluntariness plays in the normative theory of migration. We argue that the notion is currently underdefined and works to undermine migrants’ claims to see their migratory projects properly recognized. We argue that it is nevertheless important to be able to define when migration can be said to be voluntary if we are to theorize appropriate normative and policy responses to migrants’ claims. We propose therefore a series of sufficient and necessary conditions to the definition of voluntary migration. We use the case of temporary migration to illustrate our argument. Valeria Ottonelli, Tiziana Torres

    Il ruolo dell'idrogeno nella transizione energetica verso la decarbonizzazione

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    L’evoluzione del quadro energetico nazionale, con una sempre maggiore incidenza delle rinnovabili, pone l’attenzione allo sviluppo di tecnologie che permettano un migliore e più flessibile dispacciamento dell’energia. In questo senso, l’idrogeno può rivelarsi uno strumento valido per l’accumulo di energia in eccesso (power to gas) per un suo successivo utilizzo diretto o miscelato al gas naturale in centrali termiche. Questo utilizzo dell’idrogeno, com’è facile intuire, può portare benefici in termini di riduzione delle emissioni di gas serra (CO2), ma necessita di studi approfonditi in termini di stabilità della fiamma ed emissioni di NOx

    Taking migrants’ projects seriously: temporary migration, integration and exit options

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    Consortium for Applied Research on International Migration (CARIM) CARIM Analytic and Synthetic Notes; 2011/3

    Design and CFD performance analysis of a novel impeller for double suction centrifugal pumps

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    Double suction centrifugal pumps are the main devices involved in the feedwater system of nuclear power plants and they are responsible for a significant share of their energy consumption (by affecting the balance of both the gross and net electrical energy production), hence even an efficiency increase of only a few percentage points could be substantial in their economy. Herein a novel impeller designed for low-medium specific speed double suction centrifugal pumps (nq<60) is proposed showing an efficiency improvement with respect to conventional designs in the order of 1–2% associated to a slip factor increase, secondary losses reduction and impeller outflow homogeneity improvement. The novel double suction impeller is characterized by a new arrangement of its flow channels, which come up alternately on the same circumferential exit even if they start from the two different sides. The flow field through the impeller is investigated via numerical simulations run by means of the open source CFD code OpenFOAM and its performance is compared against experimental results. The CFD model set-up, in terms of grid size and discretization schemes, has been previously assessed against results of consolidated CFX simulations on a conventional centrifugal pump

    Translating Evelyn Conlon

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    This chapter explores the challenges encountered by the translator of Evelyn Conlon’s fiction. As will be argued, the writer’s gendered perspective, unobtrusive, and yet powerfully pervasive, cannot be ignored by the translator. In this respect, Conlon’s female characters fictionally embody what Donna Haraway (1988) has called “situated practices.” Drawing on all this, the chapter will focus on a discussion of the Italian translations (by the author of the chapter herself) of “Dear You,” first published in English and Italian in the literary journal Tratti (2013) and of “Two Gallants,” published in Dubliners 100 (2014)

    Nanochromics: Old Materials, New Structures And Architectures For High Performance Devices

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    Due to the development of nanoscience, the interest in electrochromism has increased and new assemblies of electrochromic materials at nanoscale leading to higher efficiencies and chromatic contrasts, low switching times and the possibility of color tuning have been developed. These advantages are reached due to the extensive surface area found in nanomaterials and the large amount of organic electrochromic molecules that can be easily attached onto inorganic nanoparticles, as TiO2 or SiO2. Moreover, the direct contact between electrolyte and nanomaterials produces high ionic transfer rates, leading to fast charge compensation, which is essential for high performance electrochromic electrodes. Recently, the layer-by-layer technique was presented as an interesting way to produce different architectures by the combination of both electrochromic nanoparticles and polymers. 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