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Dissertations / Theses on the topic 'Delta de Glass [Glass's Delta]'

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1

Tran, Thi Ngoc Lam. "Tin dioxide-based photonic glass-ceramics." Doctoral thesis, Università degli studi di Trento, 2019. https://hdl.handle.net/11572/368580.

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Looking at state of the art of optical devices, it is evident that glass-based rare-earth-activated optical structures represent the technological pillar of a huge number of photonic applications covering Health and Biology, Structural Engineering, Environment Monitoring Systems, Lighting, Laser sources and Quantum Technologies. Among different glass-based systems, a strategic place is assigned to transparent glass-ceramics, nanocomposite materials, which offer specific characteristics of capital importance in photonics. Following this strategy, this PhD thesis exploits tin dioxide (SnO2)-base
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2

GUIDETTI, Marco. "Critical Properties of the Potts Glass with many states." Doctoral thesis, Università degli studi di Ferrara, 2011. http://hdl.handle.net/11392/2389372.

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The main goal of this thesis is the extensive analysis of the phase structure of the Potts Glass (the disordered version of the Potts Model) in three dimensions for several values of the parameter p, the number of allowed state for the spin. In particular we concentrated on the values p = 4; 5; 6. The study of this model is important both from a theoretical standpoint than from the point of view of the applications: it is considered one of the best candidates to describe orientational glasses: In this way there is an opportunity to apply the information obtained from the study of theoret
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3

Tran, Thi Ngoc Lam. "Tin dioxide-based photonic glass-ceramics." Doctoral thesis, University of Trento, 2019. http://eprints-phd.biblio.unitn.it/3571/1/PhD_thesis_Tran_Thi_Ngoc_Lam.pdf.

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Looking at state of the art of optical devices, it is evident that glass-based rare-earth-activated optical structures represent the technological pillar of a huge number of photonic applications covering Health and Biology, Structural Engineering, Environment Monitoring Systems, Lighting, Laser sources and Quantum Technologies. Among different glass-based systems, a strategic place is assigned to transparent glass-ceramics, nanocomposite materials, which offer specific characteristics of capital importance in photonics. Following this strategy, this PhD thesis exploits tin dioxide (SnO2)-base
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4

Gradenigo, Giacomo. "The study of surface tension within the random first-order theory of glass transition." Doctoral thesis, Università degli studi di Trento, 2009. https://hdl.handle.net/11572/369214.

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The behavior of surface tension within the random first-order theory (RFOT) of glass transition is studied in a glass-forming liquid model by means of ad-hoc numerical methods. The spinodal point for RFOT excitations turns out to be well defined as a function of the energy of inherent structures (IS), i.e. the minima of potential energy which underlie the equilibrium configurations. The corresponding spinodal temperature, although not sharply defined, lies definitely above the mode coupling one. The role played by surface tension within the context of dynamical heterogeneities is also stud
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5

Keshavarzi, Ashkan [Verfasser], Christian [Akademischer Betreuer] Rüssel, and Delia Silke [Akademischer Betreuer] Brauer. "Crystallization und microcharacterization of Yttrium aluminosilicate glass-ceramics / Ashkan Keshavarzi. Gutachter: Christian Rüssel ; Delia Silke Brauer." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2015. http://d-nb.info/1067098879/34.

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6

Gradenigo, Giacomo. "The study of surface tension within the random first-order theory of glass transition." Doctoral thesis, University of Trento, 2009. http://eprints-phd.biblio.unitn.it/136/1/thesis.pdf.

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The behavior of surface tension within the random first-order theory (RFOT) of glass transition is studied in a glass-forming liquid model by means of ad-hoc numerical methods. The spinodal point for RFOT excitations turns out to be well defined as a function of the energy of inherent structures (IS), i.e. the minima of potential energy which underlie the equilibrium configurations. The corresponding spinodal temperature, although not sharply defined, lies definitely above the mode coupling one. The role played by surface tension within the context of dynamical heterogeneities is also stud
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7

Voltolina, Stefano. "Studio e Rilievi per la Conoscenza e il Restauro della Grande Vetrata della Chiesa di San Giovanni e Paolo a Venezia." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3426100.

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In the present work the study of the state of conservation of the Grande Vetrata (Great Stained-Glass Window) of SS. Giovanni e Paolo Church (Venice) was carried out. Themes related to restoration and conservation of stained-glass windows were also considered. Stained-glass windows are complex and not well-knwn works of art. A clear and sure methodology for their conservation is not available. This work started with the identification and characterization of the building, technological and decorative apparatus proper to stained-glass windows. The study of the documentation concerning past re
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8

CALMO, ROBERTA. "Development of Monolithic Glass Suspended Microchannel Resonators designed for bead-based bioassays." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2742528.

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9

Bogana, Leonardo <1988&gt. "analytical analysis and characterization of glass samples from archeological sites of Donoratico and Santa Maria della Scala, Tuscany (Italy)." Master's Degree Thesis, Università Ca' Foscari Venezia, 2014. http://hdl.handle.net/10579/5660.

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Scopo della tesi è l'analisi e la caratterizzazione di vetri archeologici toscani, di periodo tardo romano e alto medioevale. Le analisi sono state effettuate con il LA-ICP-MS. Con il LA-ICP-MS è stato possibile ricavare la concentrazione degli elementi maggiori, minori e in tracce dei vetri. Successivamente si è proceduto ad un confronto con i vetri analizzati e altri dello stesso periodo.
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10

Coslovich, Daniele. "Connections between structure,dynamics and energy landscape in simple models of glass-forming liquids." Doctoral thesis, Università degli studi di Trieste, 2008. http://hdl.handle.net/10077/2563.

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2006/2007<br>The microscopic origin of the glass-transition represents a long-standing open problem in condensed matter physics. Recent theoretical advances and the increasing amount of experimental and simulation data demonstrate the activity of this field of research. In this thesis we address, through molecular dynamics simulations of model glass-forming liquids, a key and yet unsolved issue concerning the description of the glass-transition: the connection between the unusual dynamical properties of glass-formers, their structural properties, and the features
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11

UBOLDI, GIOVANNA MARINA. "IL VETRO A MILANO IN ETA' ROMANA (I SEC. A.C. - V SEC. D.C):FORME, PRODUZIONI, CIRCOLAZIONI." Doctoral thesis, Università Cattolica del Sacro Cuore, 2014. http://hdl.handle.net/10280/3152.

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Il progetto di ricerca ha indagato la diffusione e le caratteristiche dei vetri in uso a Milano in età romana a partire dallo studio di un certo numero di reperti provenienti da scavi archeologici e tramite l’approfondimento di alcune tematiche relative ad aspetti produttivi e tecnologici. La ricerca ha preso spunto dallo studio dei materiali provenienti dagli scavi nei cortili dell’Università Cattolica (1986-2004), ed è stata estesa poi ad altri contesti di scavo per ampliare la base dei dati su cui ricostruire il quadro del vetro in uso nella città e delle problematiche ad esso inerenti. I
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12

UBOLDI, GIOVANNA MARINA. "IL VETRO A MILANO IN ETA' ROMANA (I SEC. A.C. - V SEC. D.C):FORME, PRODUZIONI, CIRCOLAZIONI." Doctoral thesis, Università Cattolica del Sacro Cuore, 2014. http://hdl.handle.net/10280/3152.

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Il progetto di ricerca ha indagato la diffusione e le caratteristiche dei vetri in uso a Milano in età romana a partire dallo studio di un certo numero di reperti provenienti da scavi archeologici e tramite l’approfondimento di alcune tematiche relative ad aspetti produttivi e tecnologici. La ricerca ha preso spunto dallo studio dei materiali provenienti dagli scavi nei cortili dell’Università Cattolica (1986-2004), ed è stata estesa poi ad altri contesti di scavo per ampliare la base dei dati su cui ricostruire il quadro del vetro in uso nella città e delle problematiche ad esso inerenti. I
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13

Mazzei, Lorenzo. "Elettrodi modificati con nanomateriali di carbonio: ottimizzazione della sintesi di idrossidi doppi a strati." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15844/.

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In this thesis work, it has been studied the effect of carbonaceous nanomaterials like graphene and nanotubes on GC electrodes, in various configurations, to perform the synthesis of the layered double hydroxide of nickel and aluminium. The potentiodynamic electrodeposition was found more efficient as to Ni centres electroactivity and more reproducible than potentiostatic or galvanostatic electrodeposition. It has been performed a structural characterization by means of XRD analysis (which confirmed the typical hydrotalcitical pattern) and a morphological characterization by means of SEM analy
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14

Tarani, Tommaso. "La ligne symboliste française dans le “Giusto della vita” de Mario Luzi (1935-1956)." Thesis, Paris 3, 2013. http://www.theses.fr/2013PA030021.

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Cette thèse poursuit l’objectif d’interpréter la première partie du corpus poétique de Mario Luzi, par l’auteur lui-même recueilli sous le titre de Giusto della vita (1935-1956), en le confrontant avec des thèmes et des auteurs classiques de la poésie symboliste française. En effet, la poésie de Luzi compte parmi ses tâches principales, celle de récupérer presque un siècle d’expérience symboliste en la condensant dans le tronçon de la tradition poétique italienne.Les trois parties de la thèse suivent l’évolution chronologique des recueils luziens,considérés dans leur version définitive au sein
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15

RONCHI, ALESSANDRA. "Hybrid and Nanostructured materials for low power photon upconversion based on triplet-triplet annihilation." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/370864.

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Durante il dottorato ho investigato il processo fotofisico di "upconversion" assistito da annichilazione tripletto-tripletto (TTA-UC) tramite studi di spettroscopia in sistemi profondamente differenti gli uni dagli altri. In TTA-UC radiazione ad alta energia è emessa dalla ricombinazione radiativa dello stato di singoletto eccitato di una molecola emettitore, popolato precedentemente dall'annichilazione dei tripletti di due emettitori. Un sensibilizzatore immagazzina la luce incidente a bassa energia e trasferisce l'eccitazione agli emettitori tramite trasferimento di energia alla Dexter. Poic
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16

DIANAT, BEHNOOD. "Vetri calcogenuri per applicazioni di commutazione di memorie con particolare riguardo agli aspetti di modellazione e simulazioni." Doctoral thesis, Università degli studi di Modena e Reggio Emilia, 2021. http://hdl.handle.net/11380/1244338.

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In questo lavoro, esaminiamo inizialmente la caratterizzazione e i difetti dei materiali ad alta costante dielettrica (high-k) La2O3 e CeO2, utilizzati come materiali di ossido di gate nei MOSFET. Presentiamo una metodologia basata sulla simulazione, fondata su una descrizione accurata dell'intrappolamento e del trasporto di carica utile per estrarre informazioni rilevanti sulle caratteristiche del materiale e dei difetti. Questa metodologia è stata applicata ai materiali dielettrici high-k ossido di cerio e ossido di lantanio ricavando, di conseguenza, le proprietà del materiale, insieme all
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17

Filippi, Daniele. "Local Fluidization of Concentrated Emulsion in Microfluidic Channels Textured at the Droplet Scale." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3426365.

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The rheology of soft-flowing systems, such as concentrated emulsions, foams, gels, slurries, colloidal glasses and related complex fluids, has a larger and larger impact in modern science and engineering. Much of the fascination of these systems stems from the fact that they do not fall within any of three basic states of matter, gas-liquid-solid, but live rather on a moving border between them. To understand the flow mechanism, it is necessary to have a look at the micro-scale dynamics of its constituents (i.e, droplets for emulsions, bubbles for foams, blobs for gels, etc.). In fact, in thes
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18

NERI, ELISABETTA. "Tessellata vitrea in età tardoantica e altomedievale: archeologia, tecnologia, archeometria. Il caso di Milano." Doctoral thesis, Università Cattolica del Sacro Cuore, 2012. http://hdl.handle.net/10280/1414.

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La tesi indaga la produzione e la messa in opera delle tessere musive e dei sectilia parietali in paste vitree in epoca tardoantica e altomedievale, studiando in particolare il caso di Milano. Nella prima parte viene esaminato il processo di produzione del vetro musivo, poco noto nella documentazione edita, ma estremamente fecondo per la ricostruzione degli scambi commerciali e culturali del periodo esaminato. Con vari strumenti (etnoarcheologia, ricettari, analisi archeometriche, resti archeologici, fonti economiche, stime quantitative, documentazione di restauro) vengono rintracciati gli ind
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19

NERI, ELISABETTA. "Tessellata vitrea in età tardoantica e altomedievale: archeologia, tecnologia, archeometria. Il caso di Milano." Doctoral thesis, Università Cattolica del Sacro Cuore, 2012. http://hdl.handle.net/10280/1414.

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La tesi indaga la produzione e la messa in opera delle tessere musive e dei sectilia parietali in paste vitree in epoca tardoantica e altomedievale, studiando in particolare il caso di Milano. Nella prima parte viene esaminato il processo di produzione del vetro musivo, poco noto nella documentazione edita, ma estremamente fecondo per la ricostruzione degli scambi commerciali e culturali del periodo esaminato. Con vari strumenti (etnoarcheologia, ricettari, analisi archeometriche, resti archeologici, fonti economiche, stime quantitative, documentazione di restauro) vengono rintracciati gli ind
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20

Bettineschi, Cinzia. "Archaeometric study of Egyptian vitreous materials from Tebtynis: integration of analytical and archaeological data." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3426670.

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While substantial works were carried out on the analytical characterization of the glasses of the Late Bronze Age and the Roman period, Ptolemaic glass is still far from understood. The present research aims at contributing to fill this gap thanks to a multidisciplinary approach focused on the workshop of Tebtynis (Fayum oasis, Egypt), which was excavated by Carlo Anti in the early 1930s. This project offers a critical interpretation of Anti’s archival documents, in association with the functional and archaeometric investigation of the artifacts which were found in the workshop and that are n
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