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Littérature scientifique sur le sujet « Campioni Stratificat »
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Articles de revues sur le sujet "Campioni Stratificat"
Magliano, Lorenza, Andrea Fiorillo, Claudio Malangone, Adriano Aletti, Giosue Belotti, Paola Bevilacqua, Anna Luisa Delle Femine et al. « Family burden in schizophrenia : effects of socio-environmental and clinical variables and family intervention ». Epidemiologia e Psichiatria Sociale 7, no 3 (décembre 1998) : 178–87. http://dx.doi.org/10.1017/s1121189x00007375.
Texte intégralLewanski, Rodolfo. « Istituzionalizzare la partecipazione deliberativa : la politica della Regione Toscana ». RIVISTA TRIMESTRALE DI SCIENZA DELL'AMMINISTRAZIONE, no 1 (avril 2011) : 11–31. http://dx.doi.org/10.3280/sa2011-001002.
Texte intégralMagliano, Lorenza, Andrea Fiorillo, Claudio Malangone, Manuela Guarneri, Cecilia Marasco, Mario Maja et Gruppo Di Lavoro. « Causes and psychosocial consequences of schizophrenia : the opinions of patients' relatives ». Epidemiologia e Psichiatria Sociale 9, no 2 (juin 2000) : 113–25. http://dx.doi.org/10.1017/s1121189x00008307.
Texte intégralDi Napoli, Anteo. « Qualche spunto per la riflessione ». Giornale di Clinica Nefrologica e Dialisi 25, no 3 (10 août 2013) : 266–68. http://dx.doi.org/10.33393/gcnd.2013.1051.
Texte intégralThèses sur le sujet "Campioni Stratificat"
ORSILLI, JACOPO. « AR-XRF Techniques for the Analysis of Cultural Heritage layered samples ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2023. https://hdl.handle.net/10281/403656.
Texte intégralIn the last decades scientific analysis has been deeply employed in the world of cultural heritage, thus, archaeologists and art historians are no more the sole front line workers of this field. Scientists, and science, have joined the team, giving new inputs and tools for the study of historical and archaeological samples, allowing to explore new paths and receive new answers, collecting information otherwise inaccessible on human history and culture. New discoveries have been made on the trade networks, migrations and on the technologies employed; besides, science also gave precious inputs on conservation and restoring procedures, allowing to better preserve fragile and sensitive artifacts. In my three years as a PhD student, I worked on the application of X-Ray Fluorescence (XRF) analysis to analyze ceramic and metal samples. XRF is a non-invasive technique that retrieves the elemental composition of a sample. In particular the aim of my PhD project is to obtain information on the layered structure of an unknown sample, distinguishing and characterizing the different layers. Indeed, artifacts usually concerning the field of Cultural Heritage present a layered structure; sometimes it is due to the presence of alteration layers, other times, instead, the objects are made of different layers from the principle, for example in the case of a glazed ceramic or of a painting. The possibility to get this information in a non-invasive way will give the possibility to analyze objects that are nowadays unattainable, because they cannot be sampled. My project has, thus, focused on the analysis of three kinds of samples employing angular dependent techniques (Angle Resolved-XRF, Grazing Emission-XRF}, Grazing Incidence-XRF}); indeed, the fluorescence signal of an analyte depends on its position inside the sample, on the sample composition and on the geometry of analysis. The chosen specimens allowed to verify the feasibility of this analytical method in an increasing complexity: a gilded laboratory-made sample, a ceramic Majolica sherd, and an Italian renaissance lustered fragment. The first two samples have been analyzed through AR-XRF where the measure is performed while tilting the sample, one spectrum is collected for each tilting angle. In the case of the gilded sample the measured profiles have been compared directly with the calculated profiles employing the Fundamental Parameters method. For the ceramic Majolica sample, instead, we studied the ratio of the profiles, as the sample surface is not flat. In the study of the metallic samples, made of gilded copper plate, we could infer the thickness of the top-layer. While in the case of the Majolica sample, we studied the different decorations, evaluating the limits of the technique, in particular in the case that the top-layer composition is similar to the underling layer, or in the case of a long-range diffusion. Instead, in the case of two well-separate layers we could retrieve information on both the composition and the thickness of the layer. Finally, the study of the lustered ceramic has been carried out at the XRF beamline of the Elettra Synchrotron of Trieste, employing grazing techniques. In this case we could only highlight and distinguish the presence of the silver nanoparticles in the luster nanolayer, which is the peculiar feature of this kind of artifacts. However, there are still many questions left, especially concerning the data analysis and the alignment of the sample, which requires more investigations.
Saluci, Ettore. « Caratterizzazione di campioni stratificati sabbia/argilla mediante tecniche a risonanza magnetica nucleare ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3742/.
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