1,721,045 research outputs found
La storiografia
No full textIl saggio rivisita un secolo di tesi e interpretazioni sulla vicenda della Settimana ross
CAN’T TELL A BOOK BY ITS COVER: DISJOINTED GROUNDWATER CONTAMINATION AND LAND USE IN AN ALLUVIAL AQUIFER OF NORTHERN ITALY
No full textIn the Po plain, intensive agriculture is supported by large irrigation volumes and use of fertilizers. We analysed the effects of different land uses in a sector of the Mincio River on groundwater hydrochemical characteristics and hypothesized local regulation of NO3- contamination. In the unconfined coarse-grained alluvial aquifer, hydraulic heads were measured monthly in 17 wells from May 2019 to December 2019, to trace how the aquifer recharge and manure spreading influence groundwater physico-chemical parameters and quantity. The experimental site was divided into two different zones on the left and right bank characterized by different land use. Although these dissimilarities concern different irrigation and fertilization practices, we measured in both areas nitrate (NO3-) contamination in groundwater, with concentrations exceeding legislative limits by a factor of 2. Our results suggest that NO3- contamination in this area is not only driven by specific land use and related agricultural practice; rather, other local factors intrinsic to the local aquifer and groundwater characteristics play an important role. Presented results on groundwater quality and quantity provide useful information to increase knowledge on local N dynamics and to the administrations regulating fertilizer use in this area, already reported as Nitrate Vulnerable Zones (NVZ)
Giugno 1914: il corso degli eventi
No full textIl saggio ricostruisce la piega degli eventi da cui si originò la storica settimana di contestazione e agitazioni nei confronti dello Stato liberale
Studies on the structure of the SiOx/SiO2 interface
No full textWe report X-ray photoelectron spectroscopy (XPS), X-ray induced Auger electron spectroscopy (XAES), and synchrotron radiation photoemission results of the effects induced by Ar+ ion etching on the chemical composition of the SiO2/Si interface and of SiO2. XPS and AES spectroscopies are used as indicators of the artifacts induced by 2 keV Ar+ ions during the depth profile of an SiO2/Si system. The only etching-induced spectral change we observe is a symmetrical broadening of signal widths, which we ascribe to amorphization and, possibly, to roughening phenomena, whereas the genuine chemical composition at the interface itself is not substantially altered by the impacting ions. Occurrence of SiO(x) damage species in silica is evaluated as a function of both the argon energy (0.5-4 keV) and the depth sensitivity of analysis (4-30 angstrom). We find that SiO(x) are evidenced only if the depth of damage matches the attenuation length of the electron analyzed
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
Liberazione e Resistenza
No full textIl saggio ricostruisce la strategia alleata, il passaggio del fronte, il contributo del C.I.L. e le azioni della Resistenza nel territorio marchigiano nel 194
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
"Genere"
No full textLa voce "Genere" affronta alcuni aspetti legati alla genesi e alla struttura del corrispondente concetto, con particolare riferimento al pensiero di Judith Butler
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