111,807 research outputs found

    Lacuna e integrazione nel restauro dei metalli archeologici: oltre la ricomposizione, verso la restituzione dell’opera. Riflessioni e proposte, tra teoria e prassi

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    The task of the conservator, in cooperation with the archaeologist, is to analyse archaeological material from an historical and technical standpoint in such a way that the act of conserving prior to presentation of an artefact is designed and executed for the specific artefact. This intervention must be carried out in a competent manner, i.e. the form and recognition must not be disrupted. Unfortunately, due to the corrosion of metal objects, artefacts change, which make the work of the conservator difficult. During instruction at the ISCR (Istituto Superiore per la Conservazione ed il Restauro), the possibilities for reconstructing complex metal artefacts in a collection, which shows signs of formal and aesthetic integrity, were analysed as examples. It involved filling the caesurae and defects in morphology and size. This work was aimed at restoring the integrity of the work on the formal and aesthetic side. The study also recapitulates the contribution in terms of the historical utility function of the studied objects and their technical properties

    Di che colore è Nettuno?

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    Come si presentava agli occhi di un contemporaneo un Dio sovrano dei mari? Come vedevano il Nettuno al momento dello svelamento dell’opera? Aveva forse il colore di un corpo abbronzato che mettesse in risalto la plasticità di un fisico atletico e vigoroso? I bolognesi sono abituati a vedere la fontana al centro della città chiamata del Nettuno come uno stridente contrasto tra il bianco e il rosso dei marmi e il nero lucido degli elementi bronzei cosicché l’imponenza e la bellezza della statua e i lineamenti di volto e corpo rimangono schiacciati e poco visibili all’osservatore. Il cantiere di conservazione e restauro oggi in corso promosso dal Comune di Bologna, con la collaborazione dell’Università di Bologna e dell’Istituto Superiore per la Conservazione ed il Restauro del MiBACT (ISCR), ha permesso nuove indagini sui bronzi capaci di apportare nuova materia verso una soluzione dell’enigma. Il restauro consente infatti di avvicinarci alla superficie ormai alterata e trasformata e di cercare, sotto tutte le stratificazioni, la pelle dell’opera. A volta si trova una traccia di ciò che era e non è più, uno strato limite tra la materia grezza e le alterazioni che il tempo gli ha conferito. Quella superficie originaria che l’artista aveva voluto e che per noi rappresenta il livello da raggiungere ma non da oltrepassare. Gli anni trasformano infatti le superfici dell’opera, mutando il suo aspetto originario. Quello che lo scultore aveva ideato viene trasformato dal tempo, dall’uomo. In particolare le patine artificiali, dovute a operazioni di carattere conservativo per la protezione dei manufatti dai processi corrosivi, rappresentano in molti casi la sintesi di scelte legate a fattori funzionali ed estetici al tempo stesso, ma possono alterare profondamente l’aspetto originale, l’idea dell’artista che probabilmente aveva una idea della finitura superficiale che corrispondeva anche al gusto del proprio tempo. In presenza di patine artificiali il ritrovamento dell’originale è un lavoro lento, di costante confronto e ripensamenti in cui l’evidenza dell’originale non sempre è possibile, anzi quasi mai. Avvicinandoci, cercando, abbiamo trovato una traccia. Da quella siamo partiti per un viaggio alla ricerca di uno sguardo perduto. Da lì abbiamo voluto vedere quello che nessuno potrà mai restituirci, né attraverso un documento né con un’immagine per scoprire alfine i caratteri originari. Gli scriventi, restauratori e incaricati della diagnostica, hanno sviluppato una teoria sul tema sviluppata sfruttando metodologie integrate di analisi ripetute nel corso dei lavori che non partono dall’analisi di documenti storici o da analisi chimiche, ma sfruttano metodi speditivi sviluppati ‘ad hoc’ e la capacità di osservazione di un restauratore esperto per formulare osservazioni sempre più circostanziate a mano a mano che l’opera di pulizia delle superfici procede. Lo scritto spiega proprio questo, metodo di indagine e risultati

    author-bios-SRD-19-0063.R1 – Supplemental material for The Network Structure of Police Misconduct

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    Supplemental material, author-bios-SRD-19-0063.R1 for The Network Structure of Police Misconduct by George Wood, Daria Roithmayr and Andrew V. Papachristos in Socius</p

    The use of epoxy silanes on montmorillonite: an effective way to improve thermal and rheological properties of PLA/MMT nanocomposites obtained via “in situ” polymerization

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    Polylactic acid (PLA) nanocomposites were prepared via “in situ” ring opening polymerization (ROP) of lactide using a montmorillonite, Cloisite®15A, employed after surface treatment with 3-Glycidoxypropyltrimethoxysilane. The dispersion of the nanoparticles was checked using Wide Angle X-ray Scattering (WAXS) and Transmission Electron Microscopy (TEM); both the effect of different amounts of montmorillonite and silane were measured on molecular weights and on thermal and rheological properties, using Size Exclusion Chromatography (SEC), Differential Scanning Calorimetry (DSC), Thermogravimetric (TGA) and Rheological analyses. It was found that even very low amounts (0.1% w/w) of nanoparticles greatly affect nanocomposites properties. Unmodified montmorillonite tends to decrease molecular weights, deactivating the catalytic system used for ROP of lactide but, when epoxy silane is present, molecular weights increase. Melt crystallization temperatures increase with modified nanoparticles, which enhance crystallization process. TGA analyses show that, when pure montmorillonite is present, nanocomposites have lower thermal stability respect to standard PLA; when silane is used thermal stability can get much higher than standard PLA as silane content increases. The rheological behaviour of nanocomposites show that melt viscosity is far higher than the one of standard PLA at low shear rates and also a marked shear thinning behaviour can be achieved

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

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    “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

    Využití sociálních médií v B2B prodeji

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    Tato diplomová práce se zabývá tím, jak mohou B2B obchodníci využívat sociální média v prodeji. Na základě systematické rešerše literatury, autor zjistil, že akademici, zkoumající danou problematiku, navrhují další výzkum, a to: v kterých konkrétních krocích se dají využít sociální média v prodeji (Salo, 2017). Autor se na základě toho rozhodl zjistit, jaké sociální sítě, různé technologie a pluginy se dají využít v B2B prodeji - tzv. social sellingu. Social selling se v této práci týká primárně procesu akvizice a okrajově péčí o stávající zákazníky. Autor si vybral kvalitativní průzkum pomocí 10 hloubkových polo-strukturovaných rozhovorů, aby odhalil jak, která sociální média to jsou, tak i motivaci prodejců, proč tato média používat/nepoužívat. Aby autor dodržel správnost vyhodnocení výsledků, data byla analyzována pomocí Tématické analýzy, která v této studii vykrystalizovala 2 hlavní strategické přístupy v social sellingu. Tyto přístupy (tzv. Push a Pull strategie) obsahují praktické příklady a konkrétní aktivity, které mohou prodejci využívat v každodenní praxi. Tyto výsledky jsou prezentovány s důrazem na praktičnost a jednoduchost implementace. Tvoří proto hlavní přínos autorovo výzkumu. V poslední části autor zmiňuje výzvy a manažerská doporučení, které mohou obchodníci využít v každodenním pracovním životě.This diploma thesis focuses on social media usage in B2B sales. Based on the systematic literature review conducted by the author, he has found out that recent researchers (Salo, 2017) suggest further research in the area of how and in which sales phase should various social networking sites, technologies and plugins used. To further fill this research gap, author decided to identify these social media and their usage among B2B salespeople in the so-called social selling process. The social selling process in this thesis applies mainly to acquiring new prospects and tangentially to taking care of existing clients (follow-up step). Author has chosen a qualitative research method via conducting 10 in-depth semi-structured interviews to reveal these instruments as well as motivation of a sales person on why to use social media in the selling process. The collected data was analyzed using Thematic analysis to ensure the right procedure and to identify main themes which crystalized into 2 main strategic approaches in social selling. These approaches (Push and Pull) include practical examples of concrete activities which sales people can use in their daily jobs and are presented with focus on practicality and ease of implementation. These also form the main contribution of author`s research. In the last part, author mentions challenges in social selling and recommended managerial implications for salesforce

    TeX v jednoduchém unixovém prostředí

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    summary:Při ladění TeXového dokumentu potřebujeme mnohokrát opakovaně pouštět TeX, podívat se, jak dopadl výsledek v prohlížeči DVI nebo PDF souboru, mrknout na výpis TeXu na terminálu, podívat se případně do logu a celou činnost opakovat. V tomto článku je ukázáno, jak tuto práci dělá autor článku. Proces "editor-TeX-kuk" je zde podporován jednoduchými unixovými nástroji: bashovým skriptem texloop, který si autor pro tyto účely vytvořil, dále terminálem Xterm a jednoduchým editorem, který umí navázat na klávesovou zkratku spuštění příkazu v systému. Čtenář se zde může inspirovat a přizpůsobit tyto nástroje svým vlastním potřebám. V článku je popsána funkce skriptu texloop, dále je neformálně rozveden dlouholetý vývoj autorova vztahu k textovým editorům a konečně je zde uvedena konfigurace terminálu Xterm, aby vyhovoval českému prostředí jak v kódování ISO-8859-2, tak v kódování UTF-8. Pro kódování UTF-8 si v závěru článku vygenerujeme TeXový formát csplain.summary:By debugging a TeX document it is necessary many times repeatedly to run TeX, to look for the result in DVI or PDF file, to gander the TeX output on the terminal, or eventually to have a look in the log-file, and all that action to repeat. In the paper it is show, how this work is made by author. The process '‘'editor-TeX-look' is supported by simple Unix tools: bash script texloop, created by author for these purposes, Xterm terminal and a simple editor, which is able to link to the shortcut key the activation of a system command. The reader could be inspired with the solution and to adapt these tools to his/her own needs. In the paper the function of the texloop script is described, and further the longstanding evolution of the author's relation to text editors is informal elaborated and finally a configuration of Xterm terminal, suitable for the czech environment with both ISO-8859-2 and UTF-8 encoding is introduced. For UTF-8 encoding the TeX format csplain is generated at the end of the paper

    Analýza perspektivy vedoucích prodeje na řízení pojišťovacích agentů v etnicky různorodých zastoupeních v Organizaci G, Malajsie.

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    Cílem této práce je odhalit klíčové faktory a výzvy spojené s řízením etnicky různorodého pojišťovacího zastoupení v oboru životního pojištění v Malajsii. Autor si klade za cíl zkoumat pohled vedoucích prodeje v Organizaci G v Malajsii na jejich způsob řízení agentů. Kombinované kvantitativní a kvalitativní metody budou použity prostřednictvím průzkumu a rozhovorů se 79 agenty a 12 vedoucími prodeje. Odpovědi budou analyzovány za účelem porozumění výzvám, kterým čelí vedoucí prodeje při řízení etnicky různorodého zastoupení, a zkoumat potenciální řešení. Autor navrhuje iniciativy a metody k posílení stylů vedení a zlepšení procesů pro udržení úspěšného zastoupení v kontextu etnické rozmanitosti.The goal of this thesis is to uncover the key factors and challenges in managing an ethnically diverse insurance agency in Malaysia's life insurance industry. The author aims to examine the sales managers' perspective in Organisation G, Malaysia, regarding their expression of managing their agents. Quantitative and qualitative methods will be employed through surveys and interviews among 79 agents and 12 sales managers. The responses will be analysed to understand the challenges sales managers face in managing a multi-ethnic agency and explore potential solutions. The author proposes initiatives and methods to enhance leadership styles and improve the processes for maintaining a successful agency in the context of multi-ethnicity

    AUTHOR BOOK

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    Vytvořil jsem autorskou knihu o čtyřiceti stránkách s ilustracemi a minimem textu. Kniha je černobílá, dominuje v ní tušová kresba štětcem a perem. Kromě té je v knize ale i text, který slouží jako poetické doplnění ilustrací. Obsah knihy se zaměřuje na úzký kruh přátel a zároveň vypovídá o autorovi jak vybranými motivy, situacemi tak linkou. Vyznění knihy je spíše pocitové, má zanechat dojem, ne popisně vysvětlovat.ObhájenoI have created author book that has 40 pages with ilustrations and minimum of text. The book is black and white and contains ink drawings. There is also text poetically coresponding with pictures
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