126 research outputs found
Solar cookers with thermal engergy storage: a sustainable cooking solution for developing countries / Ashmore Mawire
No full textAn overview of the three main types of solar cookers with their basic operating principles is presented in this lecture. Basic operating principles of direct focusing, oven and indirect solar cookers are outlined. These three types of cookers are briefly reviewed and discussed when they are used in conjunction with solar thermal energy storage (TES) units to enhance their usefulness during periods when solar radiation is not available. Solar cookers using both sensible heat thermal energy storage (SHTES) and latent heat thermal energy storage (LHTES) are briefly reviewed and discussed. Advantages and disadvantages of the different types of solar cookers with TES are also highlighted. The most viable options for solar cookers with TES for developing countries are the oven type of solar cookers and direct focusing solar cookers since there are relatively cheap to fabricate and maintain. On the other-hand when issues of efficiency and safety are concerned, indirect solar cookers with TES are more viable and these can be implemented for community scale cooking since they are relatively expensive to construct. Solar cookers with TES offer an alternative to polluting fossil fuels and LPG (Liquid Petroleum Gas) in rural areas of developing countries. Research gaps in solar cookers with thermal energy storage are also identified. The best previous work done by the author is also presented, including recent and future work to be done on solar cookers with thermal energy storage by the solar thermal research group at the Mafikeng campu
Journey to L'amour! An Exploration of Love and Loss
No full textThis narrative documents a student’s preparation and execution of her voice recital entitled, “L’amour! An Exploration of Love and Loss.” The author documents experiences, at the University of Mississippi and beyond which influenced the direction of this body of work. The author describes the purpose of her voice recital, and describes the process programming and preparing repertoire for the December recital. The author recounts and reflects upon her performance of “L’amour: An Exploration of Love and Loss.” The author includes a full copy of the program and notes provided to attendees on the day of the recital. The author includes stills from several of the sets from the December performance. Finally, the author reflects the immediate impact of the recital and predicts how this journey will effect her future performances.
A file containing all video recordings from the performance of “L’amour: An Exploration of Love and Loss” is available for viewing
Journey to L\u27amour! An Exploration of Love and Loss
No full textThis narrative documents a student\u27s preparation and execution of her voice recital entitled, L\u27amour! An Exploration of Love and Loss. The author documents experiences, at the University of Mississippi and beyond which influenced the direction of this body of work. The author describes the purpose of her voice recital, and describes the process programming and preparing repertoire for the December recital. The author recounts and reflects upon her performance of L\u27amour: An Exploration of Love and Loss. The author includes a full copy of the program and notes provided to attendees on the day of the recital. The author includes stills from several of the sets from the December performance. Finally, the author reflects the immediate impact of the recital and predicts how this journey will effect her future performances. A file containing all video recordings from the performance of L\u27amour: An Exploration of Love and Loss is available for viewing
Guernica remakings: action, collaboration and thread
No full textReworkings of Pablo Picasso’s Guernica include versions in textile that have been produced or exhibited in recent years. Amongst these is Remaking of Picasso’s Guernica as a Protest Banner, an initiative in which the author herself was involved. Focusing on the ideas and concerns that underpinned the production of this banner, the author explains the significance of its deployment in public sewing events held in 2013 and 2014 Comparison is also drawn between the banner and two other reworkings of the Picasso painting in textile – a 1955 version that was included in an exhibition by Goshka Macuga called The Nature of the Beast that was held at the Whitechapel Gallery in London between 2009 and 2010, and The Keiskamma Guernica, a work made in South Africa that was completed in mid-2010. It is suggested that these various reworkings point to the amenability of the Guernica to be adapted to convey a statement of opposition to those in power who prioritize their own agendas to the detriment of civilians. But whereas Picasso produced his work solitarily, its reworking or reinterpretation in textile has enabled it to be made by collectives and/or to serve as a forum for group activism
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Brushwork as Bloodwork: Character Appraisal, Calligraphy, and Individual Style In Early Medieval China
No full textThis dissertation gives a new account of the emergence of the concept of individual literary style in China between the 2nd and the 5th centuries CE. It argues that the tendency, new in this period, to posit a stylistic, characterological, calligraphic, and even somatic identity between author and text is best understood as a complex response to 1) innovations in technologies of writing used to produce and copy texts and 2) to changes in the bureaucratic institutions and archives in which these texts circulated and were evaluated. Case studies of three writers—Cai Yong 蔡邕 (133-192), Ruan Ji 阮籍 (210 -263), and Xie Lingyun 謝靈運 (385–433)—conducted against the background of the distinctive mediascapes in which they worked, reveal that although these writers developed a more author-centered mode of engaging and shaping traditional forms, they did so with the awareness that this new mode of expression foreclosed other, older modes of engaging with the literary past. Contrary to the notion still widespread in the scholarly literature on this period that early medieval writers began speaking more fully in their own voices in an effort to liberate themselves from constraints imposed by court poetry, I show the emergence of the lyric “I” to have been indexed to the loss of the hallowed institutions and ancient channels of self-cultivation in the wake of dynastic collapse, institutions which obviated the very need to speak as oneself. The melancholy that suffuses the literature of the post-Han period is thus in part the melancholy of having been reduced to speaking in one’s own voice. This loss was the result not only of political fragmentation but also of momentous changes in textual media which threw into question as never before the relationship between text and author. “Brushwork as Bloodwork” represents the first attempt to take up an ecological approach to textual practice in the early medieval period. As such, it challenges the primarily intellectual-historical approach to the literature of this period, which has tended to view changes in ideas about literature, authorship, and the self as the driving force behind the emergence of a more robust concept of individual literary style. Using a methodological approach derived from of the works of the anthropologist Bruno Latour, this dissertation suggests that only in collaboration with certain physical media and only within a very particular institutional and archival context did authors come to see themselves and others as fully present in the words on the page. By treating the concept of individual literary style not as an epistemological given but as the outcome of this collaboration with new forms of physical media in a historically unique institutional setting, it also contributes to recent discussions of the role material culture and technology play in shaping our conceptual world
The effects of anxiety on sleeping habits among African American College students, 2016
No full textThis quantitative cross-sectional research study examined the relationship between anxiety and sleeping habits among African American undergraduate college students living on campus at a private southeastern university in the U.S, The study also determined if there are statistically significant differences between undergraduate freshmen and sophomores as it pertains to levels of anxiety and sleeping habits. Participants consisted of fifty-five freshmen and sophomore males and females at a private southeastern university, who currently live on campus. Results of the Pearson's correlations determined that the there is a statistically significant correlation between levels of anxiety and sleeping habits among African American college students living on campus. Results of the independent-! test determined that there is no statistically significant difference between freshmen and sophomores in regard to levels of anxiety and sleeping habits
Seasonal water discharge and sediment load changes in the Upper Yangtze, China
No full textMountain Research and Development23156-6
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