18,424 research outputs found

    Pick Me! Pick Me!: Using Aristotelian Rhetorical Persuasion and Advertising Appeals for Self-Promotion

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    This project combines contemporary and classical rhetorical persuasion and applies them to self-promotion. Aristotle’s triad of modes of persuasion, ethos, pathos, and logos, represents classical persuasion. Appeals from advertising, such as humor, fear, music, and argumentum ad populum, represent the contemporary, but also are modern extensions of Aristotle’s triad. These concepts are then applied in such a way that the reader can see how they could use them to their benefit in influencing others. Each concept is defined and shown how it can be used in a spoken communicative way rather than a visual representation. Advertising appeals are typically put into place in commercials to visually show off the positive attributes of a product. For this project’s purpose, the reader is the product being shown off and both the Aristotelian modes and advertising appeals showcase how the reader can advertise himself or herself. To create a better understanding of the concepts outlined, they are then applied to three winners of the elimination-style competition reality show Survivor. On this show, contestants must vote out their fellow cast members, but subsequently stay in their good graces because the eliminated contestants get to decide the winner. Richard Hatch, Sandra Diaz-Twine, and Sarah Lacina all used the outlined concepts and create a verifiable example of how the concepts can be successfully used for the reader’s benefit

    A polymer coated cicaprost-eluting stent increases neointima formation and impairs vessel function in the rabbit iliac artery

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    Drug-eluting stents have been successful in reducing in-stent restenosis but are not suitable for all lesion types and have been implicated in causing late stent thrombosis due to incomplete regeneration of the endothelial cell layer. In this study we implanted stents coated with cicaprost, a prostacyclin analogue with a long plasma half-life and antiproliferative effects on vascular smooth muscle cells, into the iliac arteries of rabbits. At 28-day follow-up we compared neointima formation within the stented vessels and vascular function in adjacent vessels, to assess if cicaprost could reduce restenosis without impairing vessel function. Arteries implanted with cicaprost eluting stents had significantly more neointima compared to bare metal stents. In adjacent segments of artery, endothelium-dependent relaxation was impaired by the cicaprost-eluting stent but vasodilation to an endothelium-independent vasodilator was maintained. We conclude that the presence of the polymer and sub-optimal release of cicaprost from the stent may be responsible for the increased neointma and impaired functional recovery of the endothelium observed. Further experiments should be aimed at optimising release of cicaprost and exploring different stent polymer coatings

    Multilingual adaptive search for digital libraries

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    This paper describes a framework for Adaptive Multilingual Information Retrieval (AMIR) which allows multilingual resource discovery and delivery using on-the-fly machine translation of documents and queries. Result documents are presented to the user in a contextualised manner. Challenges and affordances of both Adaptive and Multilingual IR, with a particular focus on Digital Libraries, are detailed. The framework components are motivated by a series of results from experiments on query logs and documents from The European Library. We conclude that factoring adaptivity and multilinguality aspects into the search process can enhance the user’s experience with online Digital Libraries

    Cosmic string scaling in flat space

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    We investigate the evolution of infinite strings as a part of a complete cosmic string network in flat space. We perform a simulation of the network which uses functional forms for the string position and thus is exact to the limits of computer arithmetic. Our results confirm that the wiggles on the strings obey a scaling law described by universal power spectrum. The average distance between long strings also scales accurately with the time. These results suggest that small-scale structure will also scale in expanding universe, even in the absence of gravitational damping.Comment: 13 pages,7 figure

    The Effects of Dissolved Methane upon Liquid Argon Scintillation Light

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    In this paper we report on measurements of the effects of dissolved methane upon argon scintillation light. We monitor the light yield from an alpha source held 20 cm from a cryogenic photomultiplier tube (PMT) assembly as methane is injected into a high-purity liquid argon volume. We observe significant suppression of the scintillation light yield by dissolved methane at the 10 part per billion (ppb) level. By examining the late scintillation light time constant, we determine that this loss is caused by an absorption process and also see some evidence of methane-induced scintillation quenching at higher concentrations (50-100 ppb). Using a second PMT assembly we look for visible re-emission features from the dissolved methane which have been reported in gas-phase argon methane mixtures, and we find no evidence of visible re-emission from liquid-phase argon methane mixtures at concentrations between 10 ppb and 0.1%.Comment: 18 pages, 11 figures Updated to match published versio

    Exploring the nuclear pion dispersion relation through the anomalous coupling of photon to photon and neutral pion

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    We investigate the possibility of measuring the pion dispersion relation in nuclear matter through the anomalous coupling in the reaction \gamma - \gamma' \pi_0. It is shown that this reaction permits the study of pionic modes for space-like momenta. If the pion is softened in nuclear matter due to mixing with the delta-hole state, significant strength for this reaction is expected to move into the space-like region. Competing background processes are evaluated, and it is concluded that useful insight can be obtained experimentally, but only through a difficult exclusive measurement
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