1,720,984 research outputs found
Scrano, L., Pallara, M., Buccione, R., Mongelli, G., Bufo, S.A., Laviano, R., 2023. Characterization of Natural and Modified Clay Used for a Filtration System Aiming at the Removal of Contaminants from Surface Water. In: Çiner, A., et al. Recent Research on Environmental Earth Sciences, Geomorphology, Soil Science, Paleoclimate, and Karst. MedGU 2021. Advances in Science, Technology & Innovation. Springer, Cham.
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Compositional characteristics and origin of some miocene clays from Crotone basin (Calabria, southern Italy)
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SEM-EDS and XRF characterization of obsidian bladelets from Portonovo (AN) to identify raw material provenance.
No full textThe two unique Early Neolithic obsidian bladelets found among the numerous ovens identified at the site of Portonovo (AN) were analysed. Non-destructive chemical analyses of the glass, by SEM-EDS and XRF, allowed the source rock region to be identified as the island of Lipari. As the bladelets are very fragile and thin, and present a pumice texture, the surfaces of the samples were protected with very thin aluminium foil before they were prepared and analysed with SEM-EDS. A sample holder closed at the bottom with a Mylar © film was used to allow the tiny specimens to be analysed by XRF. The provenance is then discussed in the context of the literature on obsidian provenance in Early to Late Neolithic sites in the middle Adriatic regions of the Marche and Abruzzo
Archeometria di scarti di fornace di età medioevale del sito di Torre di Mare (Metaponto - MT)
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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
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