923 resultados para NITROBENZENE INTERFACE


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Contract US AEC AT(11-1)1469.

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"C00-1469-0116"

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WorldStarHipHop.com (WSHH) is an online video aggregating website that describes itself as “the premiere online hip hop destination” and a home for “urban media.” Yet, browsing through the site provides little clarity on what constitutes a hip-hop video or urban Internet space because of the disparate video content, the actual racial diversity of the performers, and the website’s generic design. As a result, WSHH’s taglines make a strange claim about the current state of the black musical tradition. Through close readings of the site, this article considers the architecture of this space of interracial exchange and identifies the interface as an example of Modernist architectural simplicity. I argue WSHH’s modular design is flexible enough to include non-black bodies, while remaining a black “urban” space. Thus, the site’s straightforward architecture paradoxically becomes the scaffolding of a much more complex, de-corporealized, and “shareable” blackness.

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Mode of access: Internet.

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June 1983.

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Final report under contract DOT-OS-50233.

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Mode of access: Internet.

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Mode of access: Internet.

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Se presenta el desarrollo de una interface de recuperación de información para catálogos en línea de acceso público (plataforma CDS/ISIS), basada en el concepto de similaridad para generar los resultados de una búsqueda ordenados por posible relevancia. Se expresan los fundamentos teóricos involucrados, para luego detallar la forma en que se efectuó su aplicación tecnológica, explícita a nivel de programación. Para finalizar se esbozan los problemas de implementación según el entorno

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This paper investigates the reflection characteristics of structural or guided waves in rods at a solid/liquid interface. Structural waves, whose wavelengths are much larger than the diameter of the rod, are described in a first approximation by classical one-dimensional wave theory. The reflection characteristics of such waves at a solid/liquid (melting) interface has been reported by two different ultrasonic measurement techniques: first, measuring the fast regression rate of a melting interface during the burning of metal rod samples in an oxygen-enriched environment, and second, monitoring the propagation of the solid/liquid interface during the slow melting and solidification of a rod sample in a furnace. The second work clearly shows that the major reflection occurs from the solid/liquid interface and not the liquid/gas interface as predicted by plane longitudinal wave reflectivity theory. The present work confirms this observation by reporting on the results of some specially designed experiments to identify the main interface of reflection for structural waves in rods. Hence, it helps in explaining the fundamental discrepancy between the reflection characteristics at a solid/liquid interface between low frequency structural waves and high frequency bulk waves, and confirms that the detected echo within a burning metallic rod clearly represents a reflection from the solid/liquid interface. (C) 2003 Elsevier Science B.V. All rights reserved.

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It is proposed that games, which are designed to generate positive affect, are most successful when they facilitate flow (Csikszentmihalyi 1992). Flow is a state of concentration, deep enjoyment, and total absorption in an activity. The study of games, and a resulting understanding of flow in games can inform the design of non-leisure software for positive affect. The paper considers the ways in which computer games contravene Nielsen's guidelines for heuristic evaluation ( Nielsen and Molich 1990) and how these contraventions impact on flow. The paper also explores the implications for research that stem from the differences between games played on a personal computer and games played on a dedicated console. This research takes important initial steps towards de. ning how flow in computer games can inform affective design.