1,721,092 research outputs found

    Il Museo Centrale del Risorgimento al Vittoriano, Roma

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    Il nuovo percorso espositivo del Museo Centrale del Risorgimento è stato inaugurato il 2 giugno 2001 all’interno del complesso monumentale del Vittoriano. Uno dei principali problemi che ci si è trovati ad affrontare nel progetto dell'allestimento è rappresentato dall’inserimento delle strutture espositive all’interno di uno spazio architettonico fortemente connotato, che non si poteva alterare e che anzi doveva essere esaltato con l'intervento di musealizzazione. Gli spazi espositivi sono costituiti dalle imponenti sale che corrispondono, all’esterno del Vittoriano, alla sommità del colonnato gigante. Poste in sequenza secondo il particolare andamento inflesso dell’opera edilizia, erano in origine destinate alla celebrazione delle medaglie d’oro della Grande Guerra. Il riutilizzo, dopo anni di abbandono, di ambienti monumentali del passato, effettuato nel rispetto dell’originario impianto espositivo ottocentesco, pone questa esperienza controcorrente rispetto alla frequente realizzazione ex novo di macchine museali vistose. Il progetto dell'allestimento è di chi scrive

    Il contributo del partenariato sociale al sistema sanitario nazionale: un’indagine empirica su ruolo e caratteristiche demografiche delle onlus

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    Il contributo indaga l’impatto che le relazioni di PPP sociale esercitano sulla performance – finanziaria e non finanziaria – delle strutture ospedalie- re pubbliche, evidenziandone moda- lità di intervento e opportunità intrin- seche. È stata condotta un’analisi empirica valutando la centralità che il ruolo intrapreso dalle organizzazioni non-profit e le loro caratteristiche di corporate governance possono assume- re nella determinazione del successo della collaborazione. Lo studio è stato circoscritto alle relazioni di partena- riato pubblico-privato, attive nell’anno 2019, in 6 regioni italiane, selezionate sulla base dei punteggi conseguiti sui Livelli Essenziali di Assistenza (LEA)

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Effect of cold rolling on pitting resistance in duplex stainless steels

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    Duplex Stainless Steels (DSS) are biphasic austeno-ferritic steels in which the best combination of mechanicaland corrosion-resistance properties is achieved for almost equal volume fractions of the phases. These steelsare classifi ed according to their pitting corrosion resistance, assessed by the PREN index (Pitting ResistanceEquivalent Number) which, although qualitatively, is widely employed as comparison. The present work isaimed to study the pitting resistance of four DSS grades (SAF 2101, 2304, 2205 and 2507) in the as-receivedconditions and after cold rolling at various thickness reductions (from 15% to 85%), to highlight the effects ofcold working on the corrosion behaviour. The materials were potentiodynamically tested in artifi cial seawater(pH 7) and the corresponding Critical Pitting Temperatures (CPT) were determined. Cold deformation mainlyaffected the Lean DSS grades, whereas the high-alloyed DSS were stable, even after heavy deformations.These differences can be attributed not only to composition but also to the onset of diffusionless phasetransformations induced by cold working, which make the materials more prone to corrosive attacks

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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