1,720,957 research outputs found
Plasma enhanced-chemical vapour deposi-tion of scuff-resistant hydrogenated amorphous carbon coatings on C100 steel
No full textHydrogenated amorphous carbon coatings, deposited by low pressure plasma to minimize the wear of C100 steel components, were optimized and characterized. In order to ensure good adhesion of the films to the steel surface, a thin Ti interlayer was deposited, by magnetron sputtering, before the plasma deposition.
The chemical characterization of the deposits was performed by means of RAMAN, XPS, RBS and ERDA analysis, while nanoindentation, nanoscratch and nanowear tests allowed to estimate the tribomechanical properties of the deposits, with the aim of evaluating their scuff-resistance.
It was found that the optimized plasma deposited hydrogenated amorphous carbon coatings were well adherent to C100 steel and increased more than 70 % its surface hardness
"Un caso di traduzione intersemiotica associativa: Chamber Music di James Joyce ‘tradotto’ in musica da Palmer, Goossens, Berio e Heller"
No full textSotto la definizione di traduzione intersemiotica rientrano le più varie
e fantasiose forme di equivalenze traduttive. Nel caso specifico della presente
ricerca, si è circoscritto l’ambito di indagine alla traduzione-trasformazione di un
testo poetico in un testo musicale, esplorando quindi quella che Pierluigi Basso
definisce traduzione intersemiotica «associativa», in cui il testo di partenza poetico
e il testo di arrivo musicale sono compresenti e fruiti simultaneamente; naturalmente
esiste anche una traduzione intersemiotica «sostitutiva» quando testo di arrivo
e testo di partenza sono indipendenti e fruibili ciascuno autonomamente – si
pensi ad un romanzo ed alla sua versione cinematografica. In questa riflessione sulla traduzione intersemiotica associativa si è scelto di
analizzare la prima raccolta poetica di James Joyce, Chamber Music (1907), e i
settings musicali di Geoffrey Molyneux Palmer, Eugene Goossens, Luciano Berio
e Alfred Heller. Analizzando le trentasei liriche e riportando alla luce la loro raffinata
tessitura musicale, non stupisce che Chamber Music abbia goduto di un favore
mai tramontato negli ambienti musicali: lo stesso Joyce era al corrente del fatto
che le sue liriche riscuotessero un grande successo presso i compositori più disparati,
tanto che in una lettera del 1929 alla sua protettrice Harriet Shaw Weaver
scrisse spiritosamente che solo in quell’anno ben diciannove liriche erano state
musicate, rendendo così lo stesso titolo quanto mai appropriato
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
New biocompatible interfaces for bone implants: Development and analytical characterization
No full text- …
