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Dissertations / Theses on the topic 'Soft news'
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Yang, Yan. "Hard news vs. soft news : a content analysis of network evening newscasts during breaking news coverage /." abstract and full text PDF (free order & download UNR users only), 2005. http://0-wwwlib.umi.com.innopac.library.unr.edu/dissertations/fullcit/1433098.
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Thesis (M.S.)--University of Nevada, Reno, 2005."August, 2005." Includes bibliographical references (leaves 93-100). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2005]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
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Van, Leuven Nancy. "Hard news, soft news, and tough issues : the symbiotic relationships between NGOs, news agencies, and international development /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/6154.
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Mattsson, Marcus. "Nyheter som förströelser och kunskapsalstrare : En kritisk genomgång av nyhetskategoriseringar i hard news och soft news." Thesis, Linköping University, Department for Studies of Social Change and Culture, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15411.
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I denna uppsats behandlas vetenskapliga kategoriseringar av nyheter, närmare bestämt de två kategorierna hard news och soft news. Utifrån tre akademiska texter presenteras definieringar, värderingar och betänkanden som författarna till dessa texter gjort. Utgångspunkten för problematiseringen av nyhetskategoriseringarna har varit att belysa saken från ett socialkonstruktionistiskt perspektiv. Ett försök till detta har gjorts med dels en relativt allmän genomgång av socialkonstruktionismens grundprinciper, formulerade av Marianne Winther Jørgensen & Louise Philips, och dels med en fördjupning i den socialkonstruktionistiska grenen diskursteori såsom den formuleras av Michel Foucault. Utifrån detta görs en analys av de tre texterna utifrån hur de används för att etablera tolkningsföreträden och rättfärdiga de olika definieringarna, värderingarna och betänkandena som författarna lägger fram. Avslutningsvis förs en diskussion om det forskningsmässiga läget beträffande hard news och soft news.
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Qiu, Ruochen. "Examining the impact of soft news and social media use on political knowledge of the Chinese younger generation." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/8769.
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Master of ScienceDepartment of Journalism and Mass Communications
Todd F. Simon
Since the 1990s, much discussion about the rise of the Internet within the People’s Republic of China has focused on the political consequences of the technology on China’s Communist Party. The popularization of Internet access was once regarded as a sign of significant progress in Chinese political democratization. Especially when considering the impact of Internet use on the Chinese younger generation, the importance of political issues spread through Internet should be more amplified. One interesting phenomenon that needs attention is the emergence of political soft news in recent years on the Chinese national social network that never arose before in the history of the People’s Republic of China. Different from any type of solemn formal political news that appeared in Chinese media, the soft news tends to emphasize entertaining aspects of political issues more and engages with high readability. It pays more attention to the gender, personality, and appearance--even the daily life of the leaders who were once the most mysterious and paramount group in Chinese political system. One important trait of this kind of news is that most news items emerged in social networks and websites that young adults are frequently exposed to. Along with the rapid rise of Chinese social media, will the major participants, Chinese young adults be strongly influenced by political soft news spread through the Internet? Will the young adults be attracted by the soft news initially and then try to know some further information about the government’s policies? Or, will they only dwell on the soft news? This research tries to explore and provide answers to these questions and focus on the impact of the soft news on Chinese young adults’ understanding of politics.
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Spiteri, Jonathan. "Essays on media reportage and economic behaviour." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/31037.
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This thesis looks at the economics of mass media from a variety of perspectives. The main aim is to analyse the key factors that influence media reporting behaviour, and in turn the impact of reportage on individual decision-making processes. The first chapter provides a brief summary of the contextual background of this thesis, by presenting the main points tackled in the subsequent chapters as well as a concise overview of the main contributions across various fields of study. The second chapter explores the relationship between advertisers and the media using a simple model of horizontal and vertical product differentiation in a duopolistic setting. In this framework, when a news story is published one firm will benefit in terms of higher consumer demand and profits, while the other will suffer. Firms can influence the media's decision to publish the news story or withhold it via advertising expenditure. The main result shows that in equilibrium when news signals conform to people's prior beliefs, extreme or strong stories will be withheld from publication by the media. This is because strong stories will result in a drastic decline in profits for one firm, thus providing it with an incentive to switch over and change its production process to mimic the other (beneficiary) firm, thereby eliminating vertical product differentiation. Therefore, the beneficiary firm would have an incentive to ensure that the news story is withheld to prevent this increase in competition and the subsequent erosion of its profit margins. The results provide an alternative rationale to explain recent evidence on under-reporting by the U.S. media in relation to various issues like climate change and the nutritional content of food. The third chapter looks at the responsiveness of individual private behaviour to media coverage of a particular news story. Survey data on charitable gift-giving in the U.S. are used in order to analyse the impact of newspaper coverage of the 2004 Indian Ocean tsunami on both the likelihood and magnitude of monetary disbursements towards the relief effort. The identification strategy employed in this paper exploits differences in county-level growth rates of violent crime in order to account for the variation in newspaper coverage of the tsunami, thus circumventing potential endogeneity problems. The results show that media coverage only had a modest effect on people's decision to donate or not, but conversely had a significant and non-trivial impact on the amount of money donated. Furthermore, this impact was larger for young adults within the 25-34 age bracket and individuals who had undertaken some form of voluntary work in the previous year. These results hold even after the implementation of various robustness tests, and serve to highlight the growing influence of the media on people's behaviour. The final chapter analyses the impact of media reports on electoral outcomes, and in particular the extent to which soft or sensationalist news reportage influences voting. Survey data on individual voting behaviour during the 2000 U.S. Presidential election is used, together with a novel dataset on the amount of coverage afforded to the Monica Lewinsky scandal over the period January 17, 1998 to August 31, 2000. We first show that Lewinsky coverage was not driven by the newspapers' political bias, but rather by other factors including tabloid journalism. This independence enables us to focus solely on the impact of media reports on voting, in contrast to the rest of the literature which deals with the electoral influence of politically-biased media outlets. We then look at how newspaper coverage of the Lewinsky scandal influenced voting patterns in the 2000 U.S. Presidential election. To account for potential endogeneity issues we use county-level variation in the number of deaths caused by extreme weather events as an instrument for Lewinsky articles. We find that media coverage of the scandal had a positive and statistically significant impact on the likelihood of voting for George W. Bush, and conversely a negative influence on the probability of voting for Al Gore: this pattern is visible among both Democrats and Republicans. The results are robust to various tests, and raise several questions regarding the media's role within the democratic process.
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Glogger, Isabella [Verfasser], and Michaela [Akademischer Betreuer] Maier. "Hard and Soft News – A Twofold Approximation to a Key Concept in Journalism Research / Isabella Glogger ; Betreuer: Michaela Maier." Landau : Universität Koblenz-Landau, Campus Landau, 2018. http://d-nb.info/1169653375/34.
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Gunnarsson, Sara. ""Alla kan ju inte vara Janne Josefsson" : En kvalitativ studie om publikens förväntningar på objektivitet i sportjournalistik." Thesis, Karlstads universitet, Fakulteten för humaniora och samhällsvetenskap (from 2013), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-56997.
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Objektivitet anses vara en central del av journalistik i en demokratisk och västerländsk värld, som bör vara ett vägledande ideal för de yrkesverksamma i deras arbete med att samla och presentera information. Deras professionella uppgifter består bland annat av att återge en sann bild av verkligheten, att visa lojalitet mot medborgare samt att vara opartiska och oberoende. Kritik riktas stundtals mot journalisters brister i att presentera nyheter som fullt ut följer objektivitetens principer, med argument om att journalistiken påverkas negativt av ökade kommersiella intressen. Sport är en genre inom nyhetsrapportering som har ett lågt anseende och utesluts från mer prestigefylld journalistik, som detta till trots är populär att konsumera ur ett publikperspektiv. Denna undersökning har haft sportjournalistikens låga status tillsammans med människors förhoppning om att fylla särskilda behov med hjälp av sportkonsumtion, som utgångspunkt för att vidare studera objektivitet inom området. Med detta som bakgrund ämnar studien att klargöra och belysa om publiken har förväntningar på objektivitet i sportjournalistik och i sådant fall vilka förväntningar. Metoden som tillämpats för att kunna undersöka publikens åsikter kring ämnet är kvalitativ, detta i syfte om att skapa djupare förståelse för publikens attityder och uppfattningar. Fyra fokusgruppsintervjuer har genomförts där de personer som intervjuats har representerat en grupp sportintresserade unga vuxna i åldern 20–30 år, med totalt 24 deltagande, samtliga bosatta i Karlstad, Sverige. Resultat av studien visar att publiken gör skillnad på vilka krav som kan ställas på att följa journalistiska etiska riktlinjer utifrån; medial kanal, enskilda sportjournalister, public service, kommersiella kanaler och lokal- och nationell nyhetspress. Ett samband kan i denna studie synliggöras mellan publikens uppfattning om sport som en nyhetskälla av lättsam och underhållande natur, som således skapar lägre förväntningar på att objektivitetsidealet efterföljs. Det bör poängteras att olika faktorer inom journalistisk objektivitet, förväntas att uppnås av publiken med väldig variation. Trovärdigheten hos sportjournalister tenderar att bedömas av publiken efter huruvida de uppgifter och resultat som presenteras är korrekta medan ett oberoende mot de som bevakas anses vara mycket svårt och ovanligt att uppfylla. En annan viktig aspekt som belysts i studien är att sportjournalistik berörs av det geografiska läget för nyhetsredaktionen, där ett prioriterat medialt utrymme för lokala och nationella lag tillsammans med redaktionernas beroende av goda relationer till föreningar och lag, uppfattas som orsaker till bristande objektivitet.
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Adolfsson, Tobias. "Med medierna som vapen: De strategiska narrativens nya roll i modern krigföring." Thesis, Uppsala universitet, Statsvetenskapliga institutionen, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-274188.
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Information is power in the 21st century and strategic narratives through framing are nowadays regarded as part of the modern armoury of war. States constantly compete to create credible narratives in support of their actions on the international policy arena. After the Crimean crisis in 2014 the world was forced to open its eyes to medias new usage in modern warfare. State funded news agencies play an important role in this recent development and one of the most prominent actors is Russia. This thesis seeks to contribute to the discussion of strategic narratives and framing in the news media through a case study of the Russian news site Sputnik News. The thesis focuses on the news agency’s depiction of five empirical events in which the Swedish and Russian armed forces were involved during 2014 and 2015. A qualitative analysis of 25 news articles discussing the five events has detected proof of pro-Russian framing processes. The aim of Sputnik News seems to be a transformation of the general Swedish frame regarding Russia itself and perhaps more specifically Russia’s recent change in foreign policy.
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Andronaco, Simona. "Strategic Narratives in Media Representations of the Refugee Crisis of 2015 : A Comparative Study between RT and BBC World News." Thesis, Stockholms universitet, JMK, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-159803.
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As immigration turns into the scapegoat of political and social tensions all over the world and politicians that seem to be talking about migration flows communicate instead their conception of the world and where it should head, this study investigates the refugee crisis of 2015 as represented in the two global television channels RT and BBCW. Widely studied for the depiction the press gives of the refugees, for the first time the refugee crisis is analyzed as an arena where competing understandings of international relations are constructed, in a media ecology where a myriad of actors have a chance to foreground their truth and where wars are fought, and possibly won, through the weapons of values, culture and the attraction they exercise (Nye Jr. 1990, 2013). Borrowing the concept of strategic narratives from international relations (Miskimmon et al. 2013) and applying it to textual analysis, the study employs framing analysis to operationalize it and explores a sample of 144 news items (74 from RT and 70 from BBCW) broadcast in August and September 2015 to retrace the narratives of the two channels. It finds out that, although conflicting with each other, both RT’s and BBCW’s narratives are strategic and aim at constructing a past, present and future of international relations that can influence what we expect, consider acceptable or conceivable on the international theater. The channels’ narratives are about the destiny of Europe and countries, depicting a reality that still responds to old Cold War dividing lines. An analysis of the actors allowed to speak and represented as acting confirms that in RT and BBCW political elites and the nations they represent have a greater chance, compared to other actors, to define international politics and shape shared understandings of how international relations works and where it is heading.
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Brandelid, Annie, and Evelina Eklund. "Tabloidization in Swedish news media? The ongoing pandemic in focus : A quantitative content analysis of how Swedish news media communicates about the COVID-19 vaccine." Thesis, Karlstads universitet, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-84600.
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In times of crises such as pandemics, wars or natural disasters, the responsibility of the news media increases. Previous research has shown that people in crisis tend to seek information in traditional media and find it the most reliable source. Today's media landscape has faced a new paradigm shift in the form of digitalization that has had an extensive impact on society and information is now more easily available to the public. As a result, this study will examine the ongoing COVID-19 pandemic with a focus on vaccination, which has received strong media attention in Sweden. The purpose of this study is to contribute with new research by analyzing how Sweden's largest morning newspaper Dagens Nyheter and the largest evening newspaper Aftonbladet communicated regarding the COVID-19 vaccine. The study's four research questions aim to investigate whether there are any differences or similarities in how Aftonbladet and Dagens Nyheter communicated through source power, tabloidization, and dimensions from previous research: RQ1. How does Aftonbladet and Dagens Nyheter use and mention sources in their articles RQ2. How are the articles conducted in Aftonbladet and Dagens Nyheter regarding focus dimensions (societal or individual, episodic or thematic)? RQ3. How are the articles conducted in Aftonbladet and Dagens Nyheter regarding style dimensions (personal or impersonal, emotional or unemotional)? RQ4. Do the articles in Aftonbladet and Dagens Nyheter have tendencies of tabloidization based on the content and headline (positive or negative, match between headline and text)? To answer the four research questions, a quantitative content analysis has been used by analyzing a total of 200 newspaper articles over a six-month period. With assistance of the tool Retriever, 100 articles from each newspaper were retrieved and produced through an unbound random selection. With help of the designed code sheet and the code book the units have been analyzed in SPSS. The theoretical framework is based on the basic principles of journalism, from event to news, agenda-setting, framing, and tabloidization. The data have been analyzed, reflected and discussed with the theoretical framework along with the previous research, the results show that Swedish media has shown a high scale of objectivity however, tendencies of tabloid permeate in both newspapers. The most important finding of the study is the indication that Dagens Nyheter, which according to previous research tends to cover hard news, instead strive against further tabloidized news coverage.I tider av kriser så som pandemier, krig eller naturkatastrofer ökar nyhetsmedias ansvar. Tidigare forskning har visat att människor i kris tenderar att söka efter information i traditionella medier för att hitta den mest pålitliga källan. Dessutom har dagens medielandskap stött på ett nytt paradigmskifte i form av digitalisering som har haft en vidsträckt påverkan på samhället och information är nu lättare tillgänglig för allmänheten. Som ett resultat kommer denna studie att undersöka den pågående COVID-19-pandemin med fokus på vaccination, som har fått mycket uppmärksamhet i media. Syftet med denna studie är att bidra med ny forskning genom att analysera hur Sveriges största morgontidning Dagens Nyheter och den största kvällstidningen Aftonbladet kommunicerat angående COVID-19-vaccinet. Studiens fyra forskningsfrågor syftar till att undersöka om det finns några skillnader eller likheter i hur Aftonbladet och Dagens Nyheter kommunicerat genom källkraft, tabloidisering och dimensioner från tidigare forskning: RQ1. Hur använder och nämner Aftonbladet och Dagens Nyheter källor i sina artiklar? RQ2. Hur är artiklarna i Aftonbladet och Dagens Nyheter utformade gällande fokusdimensioner (samhällelig eller individuell, episodisk eller tematisk)? RQ3. Hur är artiklarna i Aftonbladet och Dagens Nyheter utformade gällande stildimensioner (personlig eller opersonlig, känslomässig eller okänslomässig)? RQ4. Har artiklarna i Aftonbladet och Dagens Nyheter tendenser till tabloidisering baserat på innehåll och rubrik (positiv eller negativ, matchning mellan rubrik och text)? För att svara på de fyra frågorna har en kvantitativ innehållsanalys använts genom att analysera totalt 200 tidningsartiklar under en sexmånadersperiod. Med hjälp av verktyget Retriever har 100 artiklar från varje tidning valts ut genom ett obundet slumpmässigt urval. Med hjälp av det utformade kodschemat och kodboken har enheterna analyserats i SPSS. Det teoretiska ramverket bygger på journalistikens grundläggande principer, från händelse till nyheter, agenda-setting, framing och tabloidisering. Datan har analyserats, reflekteras och diskuteras med hjälp av teoretiska ramen samt tidigare forskning. Resultaten visar att de svenska medierna har kommunicerat med en hög grad av objektivitet, men att tabloidiseringen genomsyrar båda tidningar. Studiens viktigaste resultat visar bland annat att Dagens Nyheter, som enligt tidigare forskning tenderar att rapportera hårda nyheter, istället lutar mot en mer tabloidisering i sin nyhetsrapportering.
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Szostek, Joanna M. "Russia in the news of its neighbours : cross border media influence in Ukraine and Belarus." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:ae3ece7b-32ad-41e5-bce7-5f7ddeb28490.
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This thesis investigates the nature and impact of Russian influence on Russian-language print and broadcast news in Ukraine and Belarus. TV channels and publications with shareholders or partners in Russia are widely available in both the countries studied; existing literature suggests that such ‘Russian’ media are a source of regional power for the Kremlin. To shed light on how Russian partners and shareholders affect editorial treatment of Russia, the thesis compares content samples from 27 TV news bulletins and newspapers available in Ukraine or Belarus, some of which have Russian partners or shareholders while others do not. It also draws on in-depth interviews with 46 journalists and other media professionals. The thesis then compares the cases of Ukraine and Belarus to explain how political and economic conditions in a ‘target’ state affect the Russian authorities’ scope for communicating messages to mass audiences abroad via pro-Kremlin broadcasters. The findings of the thesis serve as a basis for assessing whether Russian news exports might contribute to Russian foreign policy success in the way envisaged by the literature on soft power. This research reveals complexities which have previously been overlooked in discussions about Russia’s media influence in the post-Soviet region. The news providers in Ukraine and Belarus which have Russian partners or shareholders are diverse and often vulnerable to constraints within their operating environment. Their utility as a source of soft power for the Kremlin is questionable, because the association between media and soft power is premised on public sentiments swaying foreign policy decisions. This premise is problematic, particularly in authoritarian Belarus. Pro-Kremlin Russian news exporters undoubtedly play a role in Moscow’s relations with Minsk and Kiev. However, their significance may lie at least as much in their capacity to provoke as their capacity to ‘softly’ attract and persuade a mass audience.
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Bergquist, Fanny, and Ronja Zirnsack. "Nyhetsvärdering: två sidor av samma mynt : En kvantitativ studie om Kristianstadsbladets nyhetsvärdering i tryckt tidning respektive webbsida." Thesis, Linnéuniversitetet, Institutionen för medier och journalistik (MJ), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-91403.
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We live in a world where technology and especially digital communications are rapidly evolving, but we rarely think about how or what this development affects. The aim of this bachelor study was to examine whether any differences in news value could be found between the digital and printed versions of a local newspaper, Kristianstadsbladet, as well as the causes for such differences. Using the quantitative method, we coded all 1,230 local news articles (585 printed and 645 digital) from Kristianstadsbladet’s printed paper and website versions, from 2019-11-11 to 2019-11-29, with excluding days of Saturday’s and Sunday’s. Our results showed that our main hypothesis did not quite agree with our results since news value was largely the same on both platforms. Kristianstadsbladet published the same amount of subject categorys in percentage terms, except the subject “Lifestyle” which got more space on their website than in their printed paper. We also concluded that digitalization of mass media is one of the biggest reasons for Kristianstadsbladet to publish the same local news on both their platforms due to modern technology.
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Chung, Hsien-Yu. "Taiwan’s Public Diplomacy and Mega-event : An Analysis of Foreign News Reports of the World Games 2009 Kaohsiung." Thesis, Högskolan i Halmstad, Centrum för studier av politik, kommunikation och medier (CPKM), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-14485.
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This thesis, as a case study, focuses on the perspective of foreign news reports on Taiwan’s first time hosting an international multi-sport event, the World Games 2009 in its biggest port city Kaohsiung. The World Games 2009 Kaohsiung, the significant Olympic type mega-event as to Taiwan, is applied as the approach to public diplomacy and soft power for the purpose of expanding Taiwan’s international space. It is expected to raise publicity and mass media exposure to boost Taiwan’s international profile and spur its tourism industry. From Taiwan’s image-marketing strategy, practices to foreign news reports, it outweighs to study foreign media’s reflection on Taiwan and the World Games 2009 as the important evaluation on the mega-event as a whole. This thesis attempts to answer two research questions: How was the World Games 2009 Kaohsiung reported by the foreign media? Did hosting the World Games improve Taiwan’s image? It presents the results and perspectives of foreign news reports by qualitative methods: case study and discourse analysis of online-English news reports and some quantitative methods applied on data. It combines news reports study with theory, model of public diplomacy, mega-event and expected-model. Within 101 pieces of online-English news found related to the World Games 2009, it unveils fruitful results such as the failure of interpreting the core story (Taiwan’s images and values) by foreign media during the sporting extravaganza, and it echoes Rivenburgh (2004)’s three viewpoints toward the Olympic type event (intercultural challenges, less news about host country’s culture and dramatic news). By the amount of news and the absence of foreign media on the press conference indicates that foreign media did not pay much attention to the World Games and Taiwan. In spite of reporting the sports and games, other major topics of reports were Taiwan’s hosting the event, the greenest solar-powered stadium designed by Japanese, Toyo Ito, Chu Chen’s promotion itinerary to Beijing and China’s absence on the opening and closing ceremony which triggered foreign media’s great concern.
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Amri, Karima. "La pénétration du marché de l'information médiatique français par Al-Jazeera : d'un soft power régional à une stratégie globale du Qatar ? : l'exemple de la couverture des élections présidentielles françaises de 2007." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAL006.
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Cette thèse a pour but de tenter de comprendre la nouvelle stratégie adoptée par Al-Jazeera afin d'appuyer l'hypothèse d'une volonté de pénétration du marché français ainsi que la méthode optée pour en assurer sa continuité. Après le succès de sa stratégie en vue de devenir le symbole de la libéralisation des médias arabes et de l'émergence d'une opinion publique lassée de la propagande des régimes en place , Al-Jazeera, chaine panarabe , se lance dans un défi médiatique international. Au début, la raison de la création de cette chaine nous semble venir principalement de la recherche d'une sorte de contrepoids médiatique face à la guerre menée par les Etats-Unis érigeant Al-Jazeera en option face à la manipulation des opinions publiques par cette superpuissance, mais après la création de (l'édition) Al-Jazeera English, certaines interrogations commencent à s'inviter autour des ambitions masquées d'internationalisation de cette chaine. En effet, l'idée d'une chaîne transnationale visant à devenir un média à dimension mondiale se présente de plus en plus à l'esprit d'un grand nombre des chercheurs, observateurs qualifiés de cette chaine. Après le fameux « printemps arabe », certains doutes se sont installés autour de ce média, moins relatifs à une quête de nouveaux marchés à l'échelle mondiale que témoignant de visées politiques souterraines entre le Qatar, les Etats-Unis, ainsi que certains dirigeants occidentaux. Ces derniers intervenant dans les dernières « révolutions arabes », que d'aucuns évoquent en terme de coups d'états préparés bien à l'avance, des doutes commencent à prendre forme de vérités concernant l'évolution de la scène politique arabe. Nous évoquerons rapidement ces hypothèses dans les conclusions de certaines parties de notre travail afin de proposer des explications et des éclaircissements supplémentaires à notre problématique, notamment dans sa dimension internationaleThis thesis has a goal of trying to understand the new strategy adopted by Al-Jazeera to support the hypothesis of a wish of penetration to the French market as well as a method which is opted to assure its continuity. After the success of its strategy within sight to become the symbol of the liberalisation of Arab media and of the emergence of a public opinion tired by the propaganda of current regimes , Al-Jazeera, a broadcast panarabic channel is launching in an international media challenge. At the beginning, the reason of the creation of this channel seems to us to come mainly from a research of a kind of media counterweight facing the war led by the United States in order to put optionally Al Jazeera face to the manipulation of public opinions by this superpower, but after the creation of (edition) Al-Jazeera English, some questionings begin inviting each other around the ambition of the internationalization hidden from this channel. In fact, the idea of a transnational broadcast channel aiming to become a media of a worldwide scale is becoming increasingly recognized in the mind of a large number of the researchers and qualified observers of this channel.After the famous Arab spring, some doubts have been established around this media, less related to a search of new markets on a worldwide scale, but only on showing a kind of underground policy between Qatar, the United States, as well as of some Western leaders.Intervening in the last Arab revolutions, not to say “coups d'états” prepared well beforehand, doubts begin to take form of the concerning truths of the evolution on the Arab political stage. We will recall these hypotheses in conclusions in some parts of our work in order to give an explanation and an additional elucidation to our problematic, in particular on an international dimension. The context, in which this broadcast channel was born, is a controversial context, which allowed Al-Jazeera to acquire an international aura beyond the Arab world. It is necessary, first of all, to remind of its coverage of the events of September 11th, 2001, about its processing of Islamic terrorism, about its coverage of war in Afghanistan, the second Intifada, then about the war in Iraq
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Beardmore, Kevin Wayne. "SOFT SKILLS: OLD & NEW." UKnowledge, 2019. https://uknowledge.uky.edu/epe_etds/65.
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The problem of a prepared workforce is perennial. Part of the challenge is one of supply and demand, as education systems attempt to produce graduates with the technical competencies required for the current jobs available. In the new service- and knowledge-based economy, however, soft skills are cited as a greater need by today’s employers. Increasingly sought across all industry sectors, these skills allow employees to work independently and interdependently, respond rapidly to customer needs, and adjust to changing market conditions. As a result, institutions of higher education are being called upon to infuse soft skills into their curricula. In this three-manuscript dissertation, first the implications for higher education, with Kentucky serving as a prime example, are assessed. Second, potential higher education predictors of success on a soft skills assessment—college admissions tests, grades, coursework, socioeconomic measures, and work-based learning—are examined through a quantitative study. Third, the importance of soft skills is considered in the context of capitalist societies and the purposes of education as a human endeavor. The case may be made that soft skills, rather than being a subset of workforce preparation or higher education, may be thought of as the fundamental intellectual tools of humanity.
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Bame, Abda Berisso. "New Method of Sinking Caisson Tunnel in Soft Soil." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23298.
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Sinking a caisson tunnel in soft soil is new idea and this new concept could be an alternative method of tunneling in soft soil. The aim of this study is to evaluate geotechnical feasibility of sinking the caisson tunnel to the desired depth at the selected soil profile along tunnel alignment. This caisson tunneling method is proposed to reduce the use of temporary works such as propping of sheet pile walls and increase the ease and speed of construction. Besides, it reduces the disturbance on the nearby structures due to vibration.
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Anderson, Matthew John. "Comparative soft anatomy : a new approach to primate taxonomy." Thesis, Oxford Brookes University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325485.
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Luo, C. "New advances and applications in electrospinning of soft materials." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1346466/.
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Electrospun fibrous structures are providing solutions to many problems such as biomedical, environmental and energy issues. Despite the exponential growth of interest, limitations still exist in optimising the process. In this dissertation, new advances and applications of electrohydrohynamic spinning and processing were explored to meet current demands and challenges encountered in the processing of electrospun biomaterials. Good electrospinnability refers to consistent fibre production with minimal ‘bead-onstring’ formation during electrospinning. One challenge is the solvent selection process, which significantly affects electrospinnability and the as-spun fibre morphology. This is mostly done by trial-and-error and the effect of solubility in solution-electrospinning have been neglected or taken for granted. The general concept is that a suitable solvent should have solubility parameters close to that of the polymer. However, literature has abundantly suggested a solvent may dissolve a polymer well, but whether the resultant solution is electrospinnable cannot be guaranteed. A novel method to systematically select and mix solvents for solution-electrospinning was developed in the first section of this work. The results were combined on the Teas graph to create a new “spinnability–solubility map”, allowing topographic analysis on the potential electrospinnability of a solvent or mixed solvents. Marginal solvents were shown to allow lower critical minimum solution concentrations – a parameter required for electrospinning to occur. Since fibre diameter depends on concentration, a lower critical concentration translates to finer fibres. Key properties of a solvent promoting elongation during electrospinning were also identified and the significant effects of the spinning environment on the polymer solution and the final fibre morphology were discussed. Unique fibrous relics were electrospun from poor solvents at elevated temperatures. Collaborating with the food industry, the application of electrohydrodynamic spinning and processing in food sciences was investigated, using edible biomaterials such as ethyl cellulose and chocolate. The potential to control fibre aspect ratio and directly electrospin short microfibres was studied.
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Staniland, Paul M. "Synthesis and characterisation of new complexes with soft donor hybrid ligands." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/10803.
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Serrano, Paul. "Caliste-MM : a new spectro-polarimeter for soft X-ray astrophysics." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS594/document.
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Effectuer des mesures de polarimétrie des rayons X provenant de sources astrophysiques permettrait d’obtenir de nombreuses informations sur les objets émetteurs : géométrie des disques d’accrétion de pulsars, champ magnétique au cœur des restes de supernovæ ou encore détermination du spin des trous noirs. Ces informations fondamentales sont pour l’instant inaccessibles à cause de l’absence de polarimètres X performants.L’utilisation de l’effet photoélectrique pour effectuer de la mesure spectro polarimétrique des rayons X mous dans la bande d’énergie de 1 keV à 15 keV apparaît comme une approche bien plus adaptée que l’utilisation de la diffraction de Bragg ou de la diffusion Thomson. La polarimétrie par le truchement de l’effet photoélectrique repose sur la mesure de la direction d’éjection du photoélectron, laquelle est modulée par la direction de polarisation de la lumière incidente. Il s’agit alors de construire un détecteur permettant un recul suffisant des photoélectrons afin de reconstruire leurs traces, et les détecteurs gazeux sont par nature des candidats idéaux. Cette thèse traite du développement et de la caractérisation d’un spectro-polarimètre `a rayons X-mous d’un genre entièrement nouveau : Caliste-MM. Il consiste en un détecteur gazeux, le piggyback Micromegas associé à une électronique de lecture miniature baptisée Caliste. L’une des principales innovations de ce détecteur tient au fait que son électronique de lecture est située en dehors du milieu gazeux. Les charges créées dans le piggyback diffusent dans une couche résistive répandue sur une céramique venant fermer le détecteur gazeux. Le module électronique Caliste enregistre le signal qui se répand dans la couche résistive à travers la céramique et une fine lame d’air par couplage capacitif. Le détecteur est ainsi composé de deux parties complètement indépendantes : conversion de la lumière et amplification par le piggyback, et lecture du signal par le Caliste. Les deux peuvent alors être développées indépendamment l’une de l’autre, l’électronique étant protégée des étincelles développées dans le détecteur grâce à la couche résistive du piggyback.Les caractéristiques détaillées du détecteur sont étudiées et présentées : forme des évènements, gain, résolution en énergie, ainsi que la variation de ces caractéristiques avec les différents paramètres du détecteur. Des modèles analytiques sont comparés aux résultats obtenus afin d’expliciter les phénomènes physiques responsables de la topologie des évènements enregistrés. Les différentes méthodes pour obtenir une trace reconstructible issue de photoélectrons sont aussi étudiées : utilisation d’une électronique de lecture plus finement pixélisée (utilisant ainsi pleinement le concept d’électronique découplée), test en basse pression ou utilisation de gaz légers comme l’Hélium ou le Néon.Enfin, grâce à des mesures effectuées sur le faisceau 100% polarisé de la ligne Métrologie du synchrotron SOLEIL, le facteur de modulation du détecteur est mesuré et présenté à différentes énergies de 6 à 12 keV. Une mesure du facteur de modulation de 92% à 8 keV prouve le grand potentiel de ce nouveau spectro-polarimètre et l’intérêt de son concept innovantPerforming X-ray polarimetry of astrophysical sources could provide precious insight into the properties of the emitting objects, for example the geometry of pulsars accretion disks, magnetic field inside the core of supernovae remnants or measurement of black holes spin. These fundamental observations are today impossible due to the missing performance of X-ray polarimeters. The use of the photo-electric effect to perform spectro-polarimetry in the energy band of 1 keV to 15 keV appears to be like a much better approach than the use of Bragg diffraction or Thomson scattering. Performing polarimetry with the photo-electric effect relies on the measurement of the ejection direction of the photo-electron, which is modulated by the polarization direction of the incoming light. In order to reconstruct the photo-electron track, a detector allowing the photo electrons to recoil far enough is needed. Gaseous detectors are naturally perfect candidates. This PhD thesis focusses on the development and the characterization of a soft X-ray spectro- polarimeter of a completely new design : Caliste-MM. It consists of a gaseous detector called piggyback Micromegas associated with a miniature 3D readout electronics baptized Caliste. The main innovation of this detector comes from the fact that its readout electronics is located outside the gaseous medium. The charges created inside the piggyback diffuse in a resistive layer spread on a solid ceramic plate that closes the detector. The Caliste records the signal of the charges in the resistive layer through the ceramic and a small air layer by capacitive induction. The detector is composed of two completely independent parts : the piggyback where the X-ray conversion and amplification takes place, and the Caliste for the recording of the signal. These two parts can then be developed independently. Moreover the electronics are protected from sparks thanks to the resistive layer of the piggyback.The detailed characteristics of the detector are studied such as the shape of the events, the gain and the energy resolution. Analytical models are compared to the obtained results in order to explain the physical phenomena responsible for the topology of the recorded events. Different strategies to improve the reconstruction of the photo-electrons are explored including for example finer pitched readout electronics, low pressure and the use of lighter gases such as Neon or Helium. Finally, thanks to the measurements performed on the 100% linearly polarized beam of the Mtrologie line of the SOLEIL synchrotron facility, the modulation factor of the detector has been measured at different energies ranging from 6 keV to 12 keV. A measurement of the modulation factor of 92% at 8 keV proves the high potential of this new spectro-polarimeter and the interest into its innovative design
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Ferguson, Chaka. "Soft Power as the New Norm: How the Chinese-Russian Strategic Partnership (Soft) Balances American Hegemony in an Era of Unipolarity." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/358.
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This study explores how great powers not allied with the United States formulate their grand strategies in a unipolar international system. Specifically, it analyzes the strategies China and Russia have developed to deal with U.S. hegemony by examining how Moscow and Beijing have responded to American intervention in Central Asia. The study argues that China and Russia have adopted a soft balancing strategy of to indirectly balance the United States at the regional level. This strategy uses normative capabilities such as soft power, alternative institutions and regionalization to offset the overwhelming material hardware of the hegemon. The theoretical and methodological approach of this dissertation is neoclassical realism. Chinese and Russian balancing efforts against the United States are based on their domestic dynamics as well as systemic constraints. Neoclassical realism provides a bridge between the internal characteristics of states and the environment which those states are situated. Because China and Russia do not have the hardware (military or economic power) to directly challenge the United States, they must resort to their software (soft power and norms) to indirectly counter American preferences and set the agenda to obtain their own interests. Neoclassical realism maintains that soft power is an extension of hard power and a reflection of the internal makeup of states. The dissertation uses the heuristic case study method to demonstrate the efficacy of soft balancing. Such case studies help to facilitate theory construction and are not necessarily the demonstrable final say on how states behave under given contexts. Nevertheless, it finds that China and Russia have increased their soft power to counterbalance the United States in certain regions of the world, Central Asia in particular. The conclusion explains how soft balancing can be integrated into the overall balance-of-power framework to explain Chinese and Russian responses to U.S. hegemony. It also suggests that an analysis of norms and soft power should be integrated into the study of grand strategy, including both foreign policy and military doctrine.
22
Gachevska, Katerina. "Building the new Europe : soft security and organised crime in EU enlargement." Thesis, University of Wolverhampton, 2009. http://hdl.handle.net/2436/77554.
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This thesis examines the policy and politics of the fight against organised crime in the process of the European Union’s enlargement to Eastern Europe and the Balkans. It covers the period between the end of the Cold War in 1989 and the second Eastern enlargement in 2007 which saw the emergence of a new normative base for international relations and the expansion of the international security agenda focusing on ‘soft security’ issues and threats from weak rather than powerful states. The thesis explores this new ‘soft security’ thinking and investigates its practical application in EU’s policy of building member-states in the New Europe with a focus on the case study of the fight against organised crime in Bulgaria and its EU-guided criminal justice reform. The thesis looks at these developments from both internal and external perspective and focuses on the practicalities of the policy itself such as the development of legislative changes, institutional reform and direct transfer of Western European expertise to Bulgarian institutions. The main findings of the thesis have led to a conclusion which questions the quality and premises of these policies. The thesis argues that the Bulgarian state and the European Union institutions have subscribed to a highly problematic organised crime discourse and agenda which has negatively influenced the quality of their relationship with the Bulgarian electorate.
23
Gine, Bordonaba Jordi. "Towards a better understanding and new tools for soft fruit quality control." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/4581.
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Prospects for the production of new and more tasteful strawberry and blackcurrant fruits may be achieved not only through genetic improvement and release of new varieties but also by adapting current cultivation systems and boosting the development of diagnostics tools for better quality control (QC) by growers and breeders. The balance between sugar and acid content (S/A ratio) and even the content of certain health-related compounds within the fruit, may act as important indices of consumer acceptability or overall berry quality. The S/A ratio, of fruits from 23 blackcurrant and 19 strawberry cultivars ranged from 1.84-4.39 and 3.9-9.6, respectively. S/A ratios generally increased during blackcurrant ripening (up to 1.3-fold higher for certain cultivars), declined slightly during postharvest storage at different temperatures or even changed when the same cultivar was grown at different locations (up to 30% of variation). Synthesis of health-related compounds (i.e. anthocyanins) occurred even after harvest and was strongly influenced by storage temperature and maturity at harvest. Deficit irrigation (DI) at different fruit developmental stages, was investigated as a potential strategy to improve strawberry fruit quality in a range of cultivars. The S/A ratio and the concentration of health-related compounds (viz. individual anthocyanins, antioxidant capacity) were much greater (i.e. 1.4-fold higher antioxidant capacity), for some cultivars, in fruits from DI-treated plants as compared with fully irrigated plants. The taste- and health-related composition of both blackcurrant and strawberries considerably changed from year-to-year demonstrating the influence of agroclimatic conditions on overall fruit quality. Cont/d.
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Buque, Domingos. "New work practices, new literacies and new identities : a shift towards a "new work culture" in a soft drinks factory in Maputo." Master's thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/8613.
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Bibliography: leaves 109-113.This thesis resulted from a study of the work practices and literacy practices performed by the front-line workers of a soft drinks factory in Maputo province, in Mozambique. The purpose of this study was to (1) identify the literacy practices attached to the work among the front-line workers on the production floor, and to (2) examine such practices in order to determine how the front-line workers respond to the demands of the work as to the literacy practices as well as the accompanying social practices and working identities related to these practices. The study focuses on literacy at work in the light of the 'new work culture' and it was strongly influenced by the works of Prinsloo & Scholtz (2000) on one hand, and Hull et al (1996) on the other, whose meta-categories of literate functions I use recurrently along my report. The study was conducted in an ethnographic approach over two months observing workers and listening to them while they were carrying out their tasks in the factory. "Work events" (Hull et al. 1996) and "literacy events" (Heath. 1983) were recorded in detailed field notes. Interviews with workers from different sectors on the shop floor were tape-recorded or registered on paper. Another source of data was the range of documents collected in the company. The information gathered was continually analyzed throughout the process of data collection. In this period. hypotheses were developed, discussed and tested, to confirm and disconfirm what was found in the workplace as to the phenomena around literacy and work. The study shows that effects of globalisation as to workplace have reached Mozambique. Front-line workers in this particular industry are in the process of shifting to the 'new work order', as their changing work practices come along with new literacy practices and new working identities.
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Chambers, Rob W. "China's space program a new tool for PRC "soft power" in international relations?" Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/March/09Mar%5FChambers.pdf.
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Thesis (M.A. in Security Studies (Far East, Southeast Asia, Pacific))--Naval Postgraduate School, March 2009.Thesis Advisor: Moltz, James Clay. "March 2009." Description based on title screen as viewed on April 23, 2009. Author subject terms: China, People's Republic of China, space, satellites, soft power, counterspace, APSCO, APRSAF, U.S. space policy, space security, ASAT, ITAR Includes bibliographical references (p. 103-124). Also available in print.
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Imran, Mara. "China's space program : a new tool for PRC "soft power" in international relations?" Master's thesis, Faculdade de Ciências Sociais e Humanas, Universidade Nova de Lisboa, 2010. http://hdl.handle.net/10362/5473.
Full textAbstract:
When China launched an anti-satellite (ASAT) weapon in January 2007 to destroy
one of its inactive weather satellites, most reactions from academics and U.S. space
experts focused on a potential military “space race” between the United States and China.
Overlooked, however, is China’s growing role as global competitor on the non-military
side of space. China’s space program goes far beyond military counterspace applications
and manifests manned space aspirations, including lunar exploration. Its pursuit of both
commercial and scientific international space ventures constitutes a small, yet growing,
percentage of the global space launch and related satellite service industry. It also
highlights China’s willingness to cooperate with nations far away from Asia for political
and strategic purposes. These partnerships may constitute a challenge to the United States
and enhance China’s “soft power” among key American allies and even in some regions
traditionally dominated by U.S. influence (e.g., Latin America and Africa). Thus, an
appropriate U.S. response may not lie in a “hard power” counterspace effort but instead
in a revival of U.S. space outreach of the past, as well as implementation of more
business-friendly export control policies.
27
Gao, Bo. "A new soft tissue artifact compensation technique in human motion analysis and clinical applications." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0041214.
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Tian, Xiao. "Content analysis of the Beijing Summer Olympic Games' effects in the New York Times." Scholarly Commons, 2012. https://scholarlycommons.pacific.edu/uop_etds/838.
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Relying on framing theory, this study used The New York Times to explore how Chinese news was depicted before, during and after the Beijing Summer Olympics. The research regarding how the Chinese government tried to leverage the Olympics to enhance its image is often deliberated. However, there have only been a 3 few studies on the evaluation of the effects the 2008 Beijing Summer Olympic Games had on the image of China, as depicted by The New York Times. This study generated an understanding of the impact the presentations of The New York Times had on the soft power used by China through the Beijing Summer Olympic Games. The study examined how the 2008 Beijing Summer Olympics were associated with the depiction of Chinese news in The New York Times during the pre-, mid-, and post-Olympics years. Specifically, world and business sections within The New York Times were mainly influenced by the effects of the 2008 Beijing Summer Olympics. In addition, there were no direct associations found between the 2008 Beijing Summer Olympics and how China was depicted photographically in The New York Times. In terms of the above factors; this study showed that China's national image did not improve in the New York Times after the 2008 Bejing Summer Olympic Games.
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Chandrakumara, D. P. S. "EMPLOYABILITY OF NEW GRADUATES IN SRI LANKA: Implications for Policy Development." 名古屋大学大学院国際開発研究科, 2014. http://hdl.handle.net/2237/19833.
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Uyeno, Theodore Akira Kier William McKee. "The morphology and biomechanics of the muscle articulation a new class of soft tissue joint /." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,1193.
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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2007.Title from electronic title page (viewed Mar. 27, 2008). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Biology." Discipline: Biology; Department/School: Biology.
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Milin, Melita. "›Soft Dictatorship‹ and the Fate of New Music in Serbia, 1945–2000. An Atypical Case." Bärenreiter Verlag, 2012. https://slub.qucosa.de/id/qucosa%3A72020.
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Filipponi, Luisa, and n/a. "New micropatterning techniques for the spatial addressable immobilization of proteins." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20060905.113858.
Full textAbstract:
Bio-microdevices are miniaturised devices based on biologically derived components
(e.g., DNA, proteins, and cells) combined or integrated with microfabricated substrates.
These devices are of interest for numerous applications, ranging from drug discovery, to
environmental monitoring, to tissue engineering. Before a bio-microdevice can be fully
developed, specific fabrication issues need to be addressed. One of the most important
is the spatial immobilization of selected biomolecules in specific micro-areas of the
device. Among the biomolecules of interest, the controlled immobilization of proteins to
surfaces is particularly challenging due to the complexity of these macromolecules and
their tendency to lose bioactivity during the immobilization step. The present Thesis
reports on three novel micropatterning techniques for the spatial immobilization of
proteins with bioactivity retention and improved read-out of the resulting micropatterns.
The technologies developed are based on three different micropatterning approaches,
namely 1) direct-writing UV laser microablation (proLAB), 2) a novel microcontact
printing method (�CPTA) and 3) a replica molding method combined with bead selfassembly
(BeadMicroArray). The first two technologies, proLAB and �CPTA, are an
implementation of existing techniques (laser ablation and �CP, respectively), whereas
the third, i.e., the BeadMicroArray, is a totally new technique and type of patterning
platform.
'ProLAB' is a technology that uses a micro-dissection tool equipped with a UV laser
(the LaserScissors�) for ablating a substrate made of a layer of ablatable material, gold,
deposited over a thin polymer layer. The latter layer is transparent to the laser but
favours protein adsorption. In the present work microchannels were chosen as the
structure of interest with the aim of arranging them in 'bar-codes', so to create an
'information-addressable' microarray. This platform was fabricated and its application
to specific antigen binding demonstrated.
The second technique that was developed is a microstamping method which exploits the
instability of a high-aspect ratio rubber stamp fabricated via soft-lithography. The
technique is denominated microcontact printing trapping air (�CPTA) since the collapsing of a rubber stamp made of an array of micro-pillars over a plane glass surface
resulted in the formation of a large air gap around the entire array. The method can be
successfully employed for printing micro-arrays of proteins, maintaining biological
activity. The technique was compared with robotic spotting and found that microarrays
obtained with the �CPTA method were more homogeneous and had a higher signal-tonoise
ratio.
The third technique developed, the BeadMicroArray, introduces a totally new platform
for the spatial addressable immobilization of proteins. It combines replica molding with
microbead self-assembling, resulting in a platform where diagnostic beads are entrapped
at the tip of micropillars arranged in a microarray format. The fabrication of the
BeadMicroArray involves depositing functional microbeads in an array of V-shaped
wells using spin coating. The deposition is totally random, and conditions were
optimised to fill about half the array during spin coating. After replica molding, the
resulting polymer mold contains pyramid-shaped posts with beads entrapped at the very
tip of the post. Thanks to the fabrication mode involved, every BeadMicroArray
fabricated contains a unique geometric code, therefore assigning a specific code to each
microarray. In the present work it was demonstrated that the functionality of the beads
after replica molding remains intact, and that proteins can be selectively immobilized on
the beads, for instance via biorecognition. The platform showed a remarkable level of
selectively which, together with an efficient blocking towards protein non-specific
adsorption, lead to a read-out characterized by a very good signal-to-noise. Also, after
recognition, a code was clearly visible, therefore showing the encoding capacity of this
unique microarray.
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Watson, Robert III. "New Techniques in the Design of Distributed Power Systems." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30664.
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Power conversion system design issues are expanding their role in information technology equipment design philosophies. These issues include not only improving power conversion efficiency, but also increased concerns regarding the cost and complexity of the power conversion design techniques utilized to satisfy the host system's total performance requirements. In particular, in computer system (personal computers, workstations, and servers) designs, the power "supplies" are rapidly becoming a limiting factor in meeting overall design objectives.
This dissertation addresses the issue of simplifying the architecture of distributed power systems incorporated into computing equipment. In the dissertation's first half, the subject of the design of the distributed power system's front-end converter is investigated from the perspective of simplifying the conversion process while simultaneously improving efficiency. This is initially accomplished by simplifying the second-stage DC/DC converter in the standard two-stage front-end design (PFC followed by DC/DC conversion) through the incorporation of secondary-side control. Unique modifications are then made to two basic topologies (the flyback and boost converter topologies) that enable the two-stage front-end design to be reduced to an isolated PFC conversion stage, resulting in a front-end design that features reduced complexity and higher efficiency.
In the dissertation's second half, the overall DC distributed power system design concept is simplified through the elimination of power processing conversion steps - the result being the creation of a high-frequency (HF) AC distributed power system. Design techniques for generating, distributing, and processing HF AC power in this new system are developed and experimentally verified. Also, an experimental comparison between both DC and AC distributed power systems is performed, illustrating in a succinct fashion the merits and limitations of both approaches.Ph. D.
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Bui, Tien Dung. "New Segmented Block Copolymers Based on Hard and Soft Segments Using Selectively Reacting Bifunctional Coupling Agents." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1173820744734-21687.
Full textAbstract:
In the project, our purpose is the synthesis of segmented block copolymers using novel selectively reacting bi-functional coupling agents which have recently been developed by Jakisch at al. Both couplers have one oxazoline group that reacts with carboxylic groups and one oxazinone group that reacts with hydroxyl or amino groups. It was intended to synthesize segmented block copolymers by combination of amino or hydroxyl terminated pre-polymers and carboxylic terminated chain extenders using the above mentioned coupling agents. Several prepolymers were selected such as hydroxyl terminated liquid polybutadiene (PBD-OH), hydroxyl terminated liquid natural rubber (LNR) and amino terminated liquid polybutadiene-b-acrylonitrile (PBAN) and poly(propylene glycol)-bis(2-aminopropylether) (PPO). They were selected as soft polymer segments in the segmented block copolymers aimed for. Additionally, various di-carboxylic acids were chosen as chain extenders. The resulting block copolymers are phase separated materials with a crystalline hard phase. This was demonstrated by two glass transition temperatures corresponding to the soft and hard segments and various melting regions of the hard chain extenders. For these new materials, the controlled phase separation morphology in nano-size was evidenced by TEM. A hard domain size of about 2-5 nm surrounded by a soft matrix was observed on the micro-photographs. This is consistent with the low hard segment content and the segment alternation (A-B)n in multi-block copolymers. With respect to the mechanical properties, a relationship between tensile strength and the average molar mass of the block copolymers was found out. The samples behave as rubber-like thermoplastic materials. The tensile properties depend on the degree of polymerization and the polymer distribution. The reinforcement ability of the hard domains in a physical network was achieved as expected. As a consequence, the obtained final products have mechanical properties like a typical elastomeric material.
35
Senol, Aylin. "Understanding The New Activism Of Turkey In The Middle East: Turkey As An Emerging Soft Power." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612755/index.pdf.
Full textAbstract:
This thesis will examine the transformation in the Turkish foreign policy towards
the Middle East and evaluate the relevance of &ldquosoft power&rdquo
term for describing Turkey&rsquo
s new activism in the region. Since the establishment of the Turkish Republic, Turkey has aligned itself with the Western world so that this alignment has been the main determinant of its relations with the non-Western world. The Middle East was not an exception in this process. After decades of remaining aloof from the Middle Eastern affairs, Turkey has followed a new foreign policy towards the region, as part of its new foreign policy vision, since the AK Party coming to power in 2002 and has shown a growing willingness to participate in Middle Eastern affairs. Various arguments are developed by different actors, including the one elaborated in this thesis, to explain the new activism of Turkey in the region.
36
Bui, Tien Dung. "New Segmented Block Copolymers Based on Hard and Soft Segments Using Selectively Reacting Bifunctional Coupling Agents." Doctoral thesis, Technische Universität Dresden, 2006. https://tud.qucosa.de/id/qucosa%3A24966.
Full textAbstract:
In the project, our purpose is the synthesis of segmented block copolymers using novel selectively reacting bi-functional coupling agents which have recently been developed by Jakisch at al. Both couplers have one oxazoline group that reacts with carboxylic groups and one oxazinone group that reacts with hydroxyl or amino groups. It was intended to synthesize segmented block copolymers by combination of amino or hydroxyl terminated pre-polymers and carboxylic terminated chain extenders using the above mentioned coupling agents. Several prepolymers were selected such as hydroxyl terminated liquid polybutadiene (PBD-OH), hydroxyl terminated liquid natural rubber (LNR) and amino terminated liquid polybutadiene-b-acrylonitrile (PBAN) and poly(propylene glycol)-bis(2-aminopropylether) (PPO). They were selected as soft polymer segments in the segmented block copolymers aimed for. Additionally, various di-carboxylic acids were chosen as chain extenders. The resulting block copolymers are phase separated materials with a crystalline hard phase. This was demonstrated by two glass transition temperatures corresponding to the soft and hard segments and various melting regions of the hard chain extenders. For these new materials, the controlled phase separation morphology in nano-size was evidenced by TEM. A hard domain size of about 2-5 nm surrounded by a soft matrix was observed on the micro-photographs. This is consistent with the low hard segment content and the segment alternation (A-B)n in multi-block copolymers. With respect to the mechanical properties, a relationship between tensile strength and the average molar mass of the block copolymers was found out. The samples behave as rubber-like thermoplastic materials. The tensile properties depend on the degree of polymerization and the polymer distribution. The reinforcement ability of the hard domains in a physical network was achieved as expected. As a consequence, the obtained final products have mechanical properties like a typical elastomeric material.
37
Zimmer, Daniel. "A new double laser pulse pumping scheme for transient collisionally excited plasma soft X-ray lasers." Paris 11, 2010. http://www.theses.fr/2010PA112086.
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Cette thèse présente le développement, la caractérisation et l'utilisation d'un laser à rayons X à plasma pompé en régime transitoire collisionnel dans un nouveau schéma en double impulsion. Dans ces conditions, des photons de ~ 50 à ~ 200 électronvolt ont été produits grâce à l'implantation d'un interféromètre de type Mach Zehnder dans la chaine laser infrarouge de type CPA ("chirped pulse amplification") qui sert à générer le laser X. Ce montage permet de contrôler totalement et donc de faire varier la durée, la balance d'énergie et le délai des deux impulsions nécessaires d'une part à la création d'un plasma d'ions multichargés et d'autre part au chauffage des électrons qui viennent pomper par collision l'inversion de population. Nous avons donc pu expérimentalement optimiser ces deux paramètres pour la génération d'un laser X. Ce montage de doubles impulsions réglables a également permis de mesurer l'intégrale B d'un système laser CPA entre 0,1 et 1,5 radians, ce qui est une technique prometteuse pour caractériser l'amplitude des effets non linéaires sur les chaines de puissance. L'intérêt de la configuration en double impulsion permise par l'implantation du Mach Zehnder est tout d'abord un montage expérimental très simplifié car il se réduit à un seul système de focalisation au lieu de deux initialement dans la configuration GRIP (grazing incidence pumping) classique. Les fluctuations de l'efficacité du laser X dues à une instabilité du pointé du faisceau sont considérablement diminuées et la superposition des deux lignes focales laser est intrinsèquement parfaite. De plus, les données expérimentales et des simulations hydrodynamiques du plasma indiquent un fonctionnement du laser X à des densités électroniques plus élevées, ce qui augmente le gain obtenu à longueur d'onde fixe et permet également d'atteindre potentiellement des longueurs d'onde plus courtesWithin this thesis a new double laser pulse pumping scheme for plasma-based, transient collisionally excited soft x-ray lasers (SXRL) was developed, characterized and utilized for applications. SXRL operations from ~50 up to ~200 electron volt were demonstrated applying this concept. As a central technical tool, a special Mach-Zehnder interferometer in the chirped pulse amplification (CPA) laser front-end was developed for the generation of fully controllable double-pulses to optimally pump SXRLs. This Mach-Zehnder device is fully controllable and enables the creation of two CPA pulses of different pulse duration and variable energy balance with an adjustable time delay. Besides the SXRL pumping, the double-pulse configuration was applied to determine the B-integral in the CPA laser system by amplifying short pulse replica in the system, followed by an analysis in the time domain. The measurement of B-integral values in the 0. 1 to 1. 5 radian range, only limited by the reachable laser parameters, proved to be a promising tool to characterize nonlinear effects in the CPA laser systems. Contributing to the issue of SXRL pumping, the double-pulse was configured to optimally produce the gain medium of the SXRL amplification. The focusing geometry of the two collinear pulses under the same grazing incidence angle on the target, significantly improved the generation of the active plasma medium. On one hand the effect was induced by the intrinsically guaranteed exact overlap of the two pulses on the target, and on the other hand by the grazing incidence pre-pulse plasma generation, which allows for a SXRL operation at higher electron densities, enabling higher gain in longer wavelength SXRLs and higher efficiency at shorter wavelength SXRLs. The observation of gain enhancement was confirmed by plasma hydrodynamic simulations
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Li, Wenming. "Group-EDF: A New Approach and an Efficient Non-Preemptive Algorithm for Soft Real-Time Systems." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5317/.
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Hard real-time systems in robotics, space and military missions, and control devices are specified with stringent and critical time constraints. On the other hand, soft real-time applications arising from multimedia, telecommunications, Internet web services, and games are specified with more lenient constraints. Real-time systems can also be distinguished in terms of their implementation into preemptive and non-preemptive systems. In preemptive systems, tasks are often preempted by higher priority tasks. Non-preemptive systems are gaining interest for implementing soft-real applications on multithreaded platforms. In this dissertation, I propose a new algorithm that uses a two-level scheduling strategy for scheduling non-preemptive soft real-time tasks. Our goal is to improve the success ratios of the well-known earliest deadline first (EDF) approach when the load on the system is very high and to improve the overall performance in both underloaded and overloaded conditions. Our approach, known as group-EDF (gEDF), is based on dynamic grouping of tasks with deadlines that are very close to each other, and using a shortest job first (SJF) technique to schedule tasks within the group. I believe that grouping tasks dynamically with similar deadlines and utilizing secondary criteria, such as minimizing the total execution time can lead to new and more efficient real-time scheduling algorithms. I present results comparing gEDF with other real-time algorithms including, EDF, best-effort, and guarantee scheme, by using randomly generated tasks with varying execution times, release times, deadlines and tolerances to missing deadlines, under varying workloads. Furthermore, I implemented the gEDF algorithm in the Linux kernel and evaluated gEDF for scheduling real applications.
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Hall, Simon A. "A new generation of Fe35%Co soft magnetic alloys containing additions of Nb, Ta and Ni." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46800.
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Enck, Robert E., Fadi Abushahin, and John B. Bossaer. "Soft Tissue Calcification Secondary to Imatinib Mesylate in a Patient with Gastrointestinal Stromal Tumor." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/2321.
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Imatinib mesylate has been associated with the changes in bone turnover. We report a case of the development of tissue calcification in a patient on long-term therapy with this drug. A 48-year-old male patient with gastrointestinal stromal tumor and liver metastasis complained of abdominal pain. His treatment included hepatic artery chemoembolization and partial hepatectomy in addition to chronic imatinib mesylate for 4 years. On physical examination, he had a peritoneal mass just beneath the laparotomy incision scar that, after resection, was found to be dystrophic bone formation. Based on the previous studies suggesting bone changes due to chronic therapy with imatinib mesylate, we believe that the patient's new bone formation was causally related to the use of this drug. To our knowledge, there are no similar reported cases in the literature.
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Hu, Yang. "Study of GdBaCo2-xMxO5+δ (M=Ni, Fe; x = 0, 0.1, 0.2,...) as new cathode materials for IT-SOFC application." Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-00619609.
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GdBaCo2O5+δ a été présenté récemment comme un matériau de cathode potentiel pour pile à combustible à oxyde solide. Cependant, sa réactivité chimique avec la zircone yttriée et son fort coefficient de dilatation constituent une limite importante à son utilisation. L'objet de ce travail est l'étude des composés GdBaCo2 xMxO5+δ (M = Ni, Fe, x = 0, 0.1, 0.2...) i.e. substitués au fer et au nickel pour objectif d'améliorer les propriétés du composé original pour l'application pile à combustible. Tout d'abord, différentes méthodes de synthèse ont été essayées et comparées, les méthodes par voie chimique montrant un net avantage pour l'obtention de taux de substitution élevés. Les propriétés physico-chimiques des matériaux synthétisés ont été caractérisées. Si la structure des composés évolue avec la nature et le taux du substituant, les propriétés de ces composés en termes de conduction électronique ou d'évolution du contenu en oxygène sont relativement constantes. Finalement, les performances électrochimiques de plusieurs compositions sous forme d'électrodes poreuses ont été testées avec différents types d'électrolytes. Les résultats montrent que la substitution n'apporte rien pour ce qui concerne la dilatation des composés et par ailleurs ne semble pas améliorer significativement les performances électrochimiques.
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Sizikova, Evelina. "Social Media- A New Instrument to Influence Brand Value." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-125069.
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With the rising power of Internet and especially social media which includes different communities, blogs, portals(1) , etc., nowadays brand value, - its creation and control, is not in the hands of the companies anymore, but is shifted to the consumers. One aim of this paper is to investigate and try to prove the existence of social media influence on brand value. Another goal is to introduce a different vision of brand value in connection with Internet and the rise of social media's influence on consumer's minds. For the purpose of this research the terms brand value and brand equity would bear equal meanings. My theory, which I would like to introduce, was borrowed from biology and physics, namely from I.P. Pavlov's studies and his conditioned reflex theory(2) and the physics part is based on the dispersion of light theory which was first introduced, as we know, by Isaak Newton(3). I dare to say, that nowadays creation of brand value in consumer minds works the same way. When someone, man or woman, hears a brand name, a picture and a feeling, either positive or negative is immediately formed in the person's mind from personal experience with this brand. If not, then the brand is an unfamiliar one, thus we have to rely on a provided opinion, which was previously usually conveyed to us by family, relatives and close friends while recently, also by our growing virtual community. At the beginning of the thesis, I will present the theoretical background and data on World Wide Web and social media, followed by a concise description of some of the existing brand equity models, afterwards introducing my own vision on significant brand value components, elaborating on this theory with the help of relevant case studies and researches. Brand equity has generally been defined as "a brand's power derived from the goodwill and name recognition that it has earned over time, which translates into higher sales volume and higher profit margins against competing brands"(4). Further on in the second chapter I will bring together more definitions on brand equity/value to be able to propose a modified one, components of which will be discussed thoroughly in the same chapter. The main goal of my Master Thesis is to analyze the existence of a dependency between social media and brand value. A second goal is to assess whether the impact is a positive or a negative one or is a mixture of both.
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Scott, Justin Robert. "Fractal and multifractal fault simulation : application using soft data and analogues at Wyong, New South Wales, Australia /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19562.pdf.
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Paavo, Brian Lee, and n/a. "Soft-sediment benthos of Aramoana and Blueskin Bay (Otago, New Zealand) and effects of dredge-spoil disposal." University of Otago. Department of Marine Science, 2007. http://adt.otago.ac.nz./public/adt-NZDU20070928.161657.
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Studies were conducted to broadly describe and understand the sediment benthos of a shallow-water coastal area (Aramoana Beach - Heyward Point - Blueskin Bay) near the entrance to Otago Harbour, a system largely representative for southeastern New Zealand. Benthic assemblages were examined in relation to gradients of wave exposure and disturbance, sediment type and bathymetry, and dredge-spoil disposal.
Sediment and macrofaunal surveys in autumn and spring 2003 found little change in sediment texture gradients from historical studies and a lack of vertical stratification. Macrobenthic samples from spring produced significantly higher abundances of three numerically dominant phyla (Arthropoda, Annelida, and Mollusca) and higher taxon richness compared to autumn. Within water depths of 6-30 m, abundance, richness, and diversity increased with depth. Multivariate analyses identified similar assemblages among deeper sites, despite sediment textural differences, whereas distinct assemblages were found in the shallow portions of the three areas. Meiofaunal abundance patterns did not reflect those of macrofauna, possibly indicating greater vertical penetration of sediments in these hydrodynamic environments. Several new kinorhynch taxa were found.
In a field manipulation, part of the Aramoana dredge-spoil dumpground was protected from spoil disposal for an extended period followed by experimental dumping of sandy and muddy spoil. Macrofaunal samples were collected before dumping and at nine sites < 119 d after disposal. Water velocities at the sediment-water interface were compared to a local sediment disturbance model. Dumpground samples were depauperate in individuals and taxa compared to an area protected from dumping for > 180 d. A drop in abundance and a dissimilar community coincided with muddy spoil, but fine sediments were dispersed within 26 d and macrofaunal assemblages recovered to the pre-existing state. Sandy spoil, while not altering native sediment textures, had a more prolonged impact due to transplantation of macrofauna from the dredged area that persisted for < 41 d after disposal. Side-scan sonar mapping indicated that the disposal footprint model used approximated the extent of sandy spoil impacts well, while local conditions spread muddy sediments beyond the initial impact site.
A novel sediment profile imaging device was constructed that has many advantages over existing devices for spoil mound studies and habitat mapping: it is smaller, can be manually deployed from small boats, is cheaper, and can be modified to work in almost any soft sediment.
Studies of one dominant taxon, the gastropod Zethalia zelandica, showed it was better able to survive sand burial than mud burial, did not vary in overall activity through a range of 5-14� C, and contributed a large proportion of biomass of its community.
The spoil disposal strategy used does not appear as environmentally neutral as originally thought. Only muds are effectively dispersed whereas coarser sediments accumulate, affecting physical and biological benthic processes of a wider area. Two mitigation strategies were evaluated using a heuristic model. Reducing the disposal area and spreading mud disposal events over a longer time span may be an effective interim strategy. Overall, the studies will help guide management of the area.
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Ning, Baozhu. "Performance Analysis of Iterative Soft Interference Cancellation Algorithms and New Link Adaptation Strategies for Coded MIMO Systems." Thesis, Supélec, 2013. http://www.theses.fr/2013SUPL0034/document.
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Les systèmes de communication sans fil actuels évoluent vers un renforcement des réactivités des protocles de la gestion des ressources radio (RRM) et adaptation du lien radipe (FLA) afin d'optimiser conjointement les couches MAC et PHY. En parallèle, la technologie d'antenne multiples et turbo récepteurs avancés ont un grand potentiel pour augmenter l’efficacité spectrale dans les futurs systèmes de communication sans fil. Ces deux tendances, à savoir, l'optimisation inter couche et le traitement de turbo, nécessitent le développement de nouvelles abstractions de la couche PHY (aussi appelée méthode de prédiction de la performance) qui peuvent capturer les performances du récepteur itératif par itération pour permettre l'introduction en douceur de ces récepteurs avancés dans FLA et RRM.La thèse de doctorat revisite en détail l'architecture du turbo récepteur, plus particulièrement, la classe d'algorithme itératif effectuant la détection linéaire par minimisation d’erreur quadratique moyenne avec l'annulation d’interférence (LMMSE-IC). Ensuite, une méthode semi-analytique de prédiction de la performance est proposée pour analyser son l'évolution par la modélisation stochastique de chacun des composants. Intrinsèquement, la méthode de prédiction de la performance est subordonnée à la disposition de connaissance d’information d’état du canal au niveau du récepteur (CSIR), le type de codage de canal (code convolutif ou un code turbo), le nombre de mots de code ainsi que le type d’information probabilistic sur les bits codés réinjectée par le décodeur pour la reconstruction et l'annulation d'interférence à l'intérieur d’algorithme de LMMSE -IC itératif.Dans la deuxième partie, l’adaptation du lien en boucle fermée dans les systèmes MIMO codés basés sur les abstractions de la couche PHY proposées pour les récepteurs LMMSE -IC itératifs ont été abordés. Le schéma proposé d'adaptation de liaison repose sur un faible taux de rétroaction et exploite la sélection du précodeur spatiale (par exemple, la sélection d'antennes) et du schéma de modulation et de codage (MCS) de façon à maximiser le taux moyen soumis à une contrainte de taux d'erreur de bloc. Différents schémas de codage sont testés, tels qu’un codage parcourant tous les antennes où un codage par antenne. Les simulations montrent bien le gain important obtenu avec les turbo récepteurs comparée à celui d’un récepteur MMSE classiqueCurrent wireless communication systems evolve toward an enhanced reactivity of Radio Resource Management (RRM) and Fast Link Adaptation (FLA) protocols in order to jointly optimize the Media Access Control (MAC) and Physical (PHY) layers. In parallel, multiple antenna technology and advanced turbo receivers have a large potential to increase the spectral efficiency of future wireless communication system. These two trends, namely, cross layer optimization and turbo processing, call for the development of new PHY-layer abstractions (also called performance prediction method) that can capture the iterative receiver performance per iteration to enable the smooth introduction of such advanced receivers within FLA and RRM. The PhD thesis first revisits in detail the architecture of the turbo receiver, more particularly, the class of iterative Linear Minimum Mean-Square Error (soft) Interference Cancellation (LMMSE-IC) algorithms. Then, a semi-analytical performance prediction method is proposed to analyze its evolution through the stochastic modeling of each of the components. Intrinsically, the performance prediction method is conditional on the available Channel State Information at Receiver (CSIR), the type of channel coding (convolutional code or turbo code), the number of codewords and the type of Log Likelihood Ratios (LLR) on coded bits fed back from the decoder for interference reconstruction and cancellation inside the iterative LMMSE-IC algorithms. In the second part, closed-loop FLA in coded MIMO systems based on the proposed PHY-layer abstractions for iterative LMMSE-IC receiver have been tackled. The proposed link adaptation scheme relies on a low rate feedback and operates joint spatial precoder selection (e.g., antenna selection) and Modulation and Coding Scheme (MCS) selection so as to maximize the average rate subject to a target block error rate constraint. The cross antenna coding (the transmitter employs a Space-Time Bit-Interleaved Coded Modulation (STBICM) ) and per antenna coding (Each antenna employs an independent Bit-Interleaved Coded Modulation(BICM)) cases are both considered. The simulations clearly show the significant gain obtained with turbo receivers compared to that of a conventional MMSE receiver
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Zreik, Diana Alexandre 1966. "Determination of the undrained shear strength of very soft cohesive soils by a new fall cone apparatus." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13399.
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Olsson, Carl Olof. "A new world order? : A methodological approach to the soft and hard power of the European Union." Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Statsvetenskap, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-6810.
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The European Union have since the signing of the Rome treaty in 1957, come to be a new superpower in the world, spreading the word of soft power through the economic and democratic cooperation in the pan-European continent. The theory of soft and hard power and the theory of diffusion of innovations illuminate how the European Union has been able to increase their influence and gain power in the world, as it has become the largest economy in the world. Through this soft power focus, the European Union has been able to grow and to act as a model for success as it attracts other parts of the world by the positive messages of cooperation and economic integration. This should be seen in a time when the US has increasingly acted unilateral in their foreign policy and experienced increasing legitimacy problems on the global scale. The understanding of the development of the European Union to its contemporary magnitude through the theory of soft and hard power and the diffusion of innovations, what I call cooptive enlargement, brings new light of how to understand its development and influence in the world. This theory could further be used to analyze and understand why and how other parts of the world create trade areas and Unions in their quest for future peace, democracy and economic development. The European Union has through this cooptive enlargement come to lay the foundation to a new world order, enabling all parts of the world to collide into a prosperous future of cooperation.
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Miecznikowski, Jerome. "New algorithms for a java decompiler and their implementation in Soot." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79050.
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This thesis presents Dava, a Java bytecode to Java source code decompiler built on top of the Soot framework.The Java Virtual Machine Specification of valid bytecode is much less restrictive than the Java Language Specification of valid Java source programs. For example, bytecode has unstructured control flow, loose local typing, and few restrictions on method modifiers. By contrast, the Java language has highly structured control flow, strong local typing, and many restrictions on its method modifiers. The goal of this thesis was to build a tool that could correctly decompile the widest range of verifiable Java bytecode back into compilable Java source. This includes bytecode coming from other source languages, bytecode that has undergone certain types of obfuscation, and optimized bytecode. To accomplish this goal we created the Structure Encapsulation Tree data structure and a set of new decompiling algorithms.
The algorithms fall into three categories: regular control flow, exceptional control flow, and idioms.
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Mao, Pujian. "New Applications of Asymptotic Symmetries Involving Maxwell Fields." Doctoral thesis, Universite Libre de Bruxelles, 2016. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/238157.
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In this thesis, several new aspects of asymptotic symmetries have been exploited.Firstly, we have shown that the asymptotic symmetries can be enhanced tosymplectic symmetries in three dimensional asymptotically Anti-de Sitter (AdS) space-time with Dirichletboundary conditions. Such enhancement providesa natural connection between the asymptotic symmetries in the far region i.e. closeto the boundary) and the near-horizon region, which leads to a consistenttreatment for both cases. The second investigation in three dimensional space-time is to study theEinstein-Maxwell theory including asymptotic symmetries, solutionspace and surface charges with asymptotically flat boundary conditionsat null infinity. This model allows one to illustrate several aspectsof the four dimensional case in a simplified setting. Afterwards, we givea parallel analysis of Einstein-Maxwell theory in the asymptotically AdScase.Another new aspect consists in demonstrating a deep connection between certainasymptotic symmetry and soft theorem. Recently, a remarkable equivalence wasfound between the Ward identity of certain residual (large) U(1) gauge transformations and the leadingpiece of the soft photon theorem. It is well known that the softphoton theorem includes also a sub-leading piece. We have proven thatthe large U(1) gauge transformation responsible for the leading soft factorcan also explain the sub-leading one.In the last part of the thesis, wewill investigate the asymptotic symmetries near the inner boundary. Asa null hypersurface, the black hole horizon can be considered as an innerboundary. The near horizon symmetries create “soft” degrees of freedom. Wehave generalised such argument to isolated horizon and have shown that those “soft” degreesof freedom of an isolated horizon are equivalent to its electric multipolemoments.Doctorat en Sciences
info:eu-repo/semantics/nonPublished
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Rossiny, Jeremy Claude Henri. "Combinatorial search for new mixed electronic ionic materials for SOFC cathode applications." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/6907.
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In order to lower SOFC operating temperature between the range of 500 and 800°C, research has been focussed on finding alternative cathode materials, as it is where the highest area specific resistivity in the ceramic cell is exhibited. There is a constant requirement for novel high performance mixed conducting oxides for a variety of applications including cathodes for solid oxide fuel cells and as oxygen separation membranes. The conventional method of approaching this problem is by synthesising oxide compositions obtained from consideration of crystal structure and chemistry. One consequence of this is that synthesis is limited to a few chosen compositions because of the time consuming nature of the synthesis process. A way round this is the use of combinatorial methods to explore much wider ranges of compositions based upon rational choices of starting compositions. An interdisciplinary project was launched to use an ink jet based robot system, LUSI (London University Search Instrument), in order to synthesise combinatorial arrays of ceramic dot samples (2mm dia 500μm high) suitable for measurement of oxygen transport. More information on the robot and the project can be found on the related project web page www.foxd.org. The aim is to use oxygen 18 isotopic exchange with an array together with high resolution SIMS to identify materials with a high degree of exchange with oxygen gas at a given temperature. The first part of this programme was aimed at producing arrays of materials for which the transport properties are well known and to this end we have started with the perovskite materials with the general formula La1-xSrxCo1-yMnyO3, for which we have enough previous information to verify that the experimental protocols are correct. This study was followed by the study of a less known composition space with the general formula La1-xSrxCo1-y-zMnyFezO3. Quality synthesis of automated ink-jet printed samples has been carried out and composition (Induced Couple Plasma Mass Spectrometry), structure determination (X-ray diffraction and Raman Spectrometry) and oxygen content (Thermogravimetric and Catalysis Temperature-programmed Desorption) have been characterised systematically over the full range of compositions prior to performing the isotopic exchange procedure. Isotopic exchange procedures have been written, and tested on one composition. A new diffusion algorithm has been coded to take into account the shape of the combinatorial samples. Design of a new high-throughput technique has been created and this technique has been tested to identify new SOFC cathode materials. A first systematic study has been carried out over the full range of composition of general formula La1-xSrxCo1-y-zMnyFezO3. An automated production of thick-film perovskites has been achieved to a certain extent: composition, phase and oxygen non stoichiometry have been characterised over the full composition of the La0.8Sr0.2Co1-y-zMnyFezO3 pseudo-ternary solid solution. The isotopic exchange technique has been carried out on the La0.8Sr0.2MnO3 and La0.8Sr0.2CoO3 samples.