77 research outputs found
The three books of Shama
No full textSpanning multiple continents and countries, including Rwanda, the United States, and Ghana, The Three Books of Shama is an epic chronicle of the fictional life story of Rwandan-born Shama Rugwe, from her survival of the Rwandan genocide to her migration to the United States and her eventual nomination to the United States Supreme Court. All hell breaks loose following her nomination, with the ensuing Senate confirmation hearings and the opposition to her nomination exposing stubborn xenophobic beliefs, as well as gender, racial, and religious biases. Benjamin Kwakye is a Ghanaian novelist. His first novel, The Clothes of Nakedness, won the 1999 Commonwealth Writers Prize, best first book, Africa. His second novel, The Sun by Night won the 2006 Commonwealth Writers\u27 Prize, Best Book Africa. His third novel, The Other Crucifix won the 2011 IPPY Gold Award for Adult Multicultural Fiction. He is also the author of a collection of novellas, Eyes of the Slain Woman. A graduate of Dartmouth College and Harvard Law School, he presently practices law and is a director of the African Education Initiative.https://scholarship.law.ua.edu/harper_lee_prize_books_2017/1015/thumbnail.jp
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The three books of Shama
No full textSpanning multiple continents and countries, including Rwanda, the United States, and Ghana, The Three Books of Shama is an epic chronicle of the fictional life story of Rwandan-born Shama Rugwe, from her survival of the Rwandan genocide to her migration to the United States and her eventual nomination to the United States Supreme Court. All hell breaks loose following her nomination, with the ensuing Senate confirmation hearings and the opposition to her nomination exposing stubborn xenophobic beliefs, as well as gender, racial, and religious biases. Benjamin Kwakye is a Ghanaian novelist. His first novel, The Clothes of Nakedness, won the 1999 Commonwealth Writers Prize, best first book, Africa. His second novel, The Sun by Night won the 2006 Commonwealth Writers\u27 Prize, Best Book Africa. His third novel, The Other Crucifix won the 2011 IPPY Gold Award for Adult Multicultural Fiction. He is also the author of a collection of novellas, Eyes of the Slain Woman. A graduate of Dartmouth College and Harvard Law School, he presently practices law and is a director of the African Education Initiative.https://scholarship.law.ua.edu/harper_lee_prize_books_2017/1015/thumbnail.jp
Experimental Study of DI Diesel Engine Performance Using Three Different Biodiesel Fuels
No full textMethyl esters derived from vegetable oils by the process of transesterification (commonly referred as ‘biodiesel’), can be used as an alternative fuel in compression ignition engines. In this study, three different vegetable oils (rape, soy and waste oil) were used to produce biodiesel fuels that were then tested in a four cylinder direct injection engine, typically used in small diesel genset applications. Engine performance and emissions were recorded at five load conditions and at two different speeds. This paper presents the results obtained for measurements of NOx and smoke opacity at the different speed and load conditions for the three biodiesels, and their blends (5 and 50% v/v) with mineral diesel. A simple combustion analysis was also performed where ignition delay, position and magnitude of peak cylinder pressure and heat release rate were examined to asses how the variation of chemical structure and blend percentage affects engine performance.Engine performance and emissions for all of the 5% biodiesel blends were indistinguishable from mineral diesel. However, at higher blends, the rape fuel exhibited better emission and performance characteristics than either the soy or waste fuels. Furthermore; whilst emissions trends varied for each blend and fuel, emissions of smoke were significantly reduced at all speed and load conditions, and NOx was reduced by up to 50% at low loads. It will also be shown that while engine performance was not significantly deteriorated by biodiesel, there was evidence of increased ignition delay with higher blends, and a possible two stage ignition process where mineral diesel ignited earlier than the biodiesel
Whose Blog Is It Anyway? Seeking the Author in the Formal Features of Travel Blogs
No full textAmateur travel blogs hosted on advertising-sponsored websites are generally viewed as credible sources of information about tourist behaviour and destination image, particularly as the content is user-generated. Little is said, however, about the webhost-created content. It is generally assumed that the content and features of a blog reveal a good deal about its author. In the case of travel blogs, however, this can be problematic as both webhosts and authors create content. This paper examines formal and paratextual features of amateur travel blogs to analyse the extent of the contribution made by the webhost and its influence on authorial voice. In particular, it considers titles, links, and advertising in travel blogs hosted on Travelpod, Travelblog, and Bootsnall. It finds that the webhost plays a significant part in positioning the text as a narrative about a particular destination. Furthermore, not all the features of these blogs transfer a sense of who has authored them
Solid state electrochemical processes for nanofabrication
No full textMetallic nanostructures play a defining role in micro and nanotechnology, from interconnects in electronics to electrodes in chemical sensors, batteries, fuel-cells, antennae, plasmonic waveguides in sub-wavelength optics and structural color generation. While the demand for making functional metallic nanostructures for the development and commercialization of new technologies is increasing, there is a need for new manufacturing techniques that allow rapid prototyping or mass production of nanostructured devices at an economical and cost effective rate while using simple processing environments (i.e. liquid free, mask free, single step and ambient processing). To address these challenges, this thesis primarily examines solid state nano manufacturing pathways using ion conductive solid electrolytes, to develop a cost effective, simple alternative to state of the art direct writing techniques (e.g. Ebeam lithography and Focus ion beam lithography). First, a solid state electrochemical direct writing technique is developed using a conductive atomic force microscopy (AFM) tip for rapid prototyping of silver nanostructures on a silver based ion conductive glass substrate. The technique was implemented to fabricate silver nanostructures by using an AFM probe as the working electrode and ionically conductive glass (AgI)0.25(AgPO3)0.75 as the solid electrolyte in an electrochemical cell configuration. While the tip based approach was primarily adapted to explore time-scale and resolution capabilities with probe based writing, erasing of a silver pattern from the surface was also accomplished by scanning the surface using the AFM tip with anodic polarity. By using the patterned silver substrate as a template for replica molding of soft materials such as polydimethylsiloxane (PDMS), the writing technique was then utilized for single step integration of micro-channels with nano-channels. Next, this technique was extended to nano-patterning copper by utilizing a glassy copper pure ionic conductor ((CuI)x-(CuPO3 )(1-x) from the same family of solid electrolytes.
To address manufacturing needs on an industrial scale, our laboratory has previously developed an imprint based scalable manufacturing process using solid electrolytes known as solid-state superionic stamping (S4) to selectively etch silver and copper. The technique currently allows the fabrication of sub-100 nm features on a planar surface over an area of 0.26 mm2 and micron scale features over an area of 25 mm2. The later part of this thesis demonstrates S4 patterning over an area of 100 mm2 and discusses the potential of further scaling up the S4 process using large area stamps. S4 patterning of silver using a roll to plate scheme is also demonstrated to explore the potential of the S4 technology in a roll to roll configuration for high volume manufacturing. Additionally, the opportunities to advance the S4 technology with the aid of a commercially available two photon lithography based direct writing technique from Nanoscribe is also investigated. First, the unique capability of the two photon lithography (2PP) process to introduce height variation at the nanoscale is explored for fabricating meta-surface based planar focusing solar collectors. The prospect of the 2PP process is then investigated as a means for preparing mold substrates for S4 and enabling 3D metallic nanostructures of silver.Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2020-05-01The student, Shama Barna, accepted the attached license on 2018-03-19 at 11:11.The student, Shama Barna, submitted this Dissertation for approval on 2018-03-19 at 11:23.This Dissertation was approved for publication on 2018-03-22 at 14:48.DSpace SAF Submission Ingestion Package generated from Vireo submission #12068 on 2018-08-31 at 17:25:20Made available in DSpace on 2018-09-04T20:46:50Z (GMT). No. of bitstreams: 3
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Previous issue date: 2018-03-22Embargo set by: Seth Robbins for item 107347
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Reason: Author requested closed access (OA after 2yrs) in Vireo ETD systemEmbargo set by: Seth Robbins for item 107347
Lift date: 2020-09-04T20:50:11Z
Reason: Author requested closed access (OA after 2yrs) in Vireo ETD systemLimited Restriction Lifted for Item 107347 on 2020-09-05T09:15:26Z
New skilled immigration act of Germany : promoting safe migration and decent work
No full textauthor: Seeta Sham
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Municipal economic growth through green projects and policies
No full texttextCities generally need economic growth. Green policies and projects are environmentally beneficial, desirable, expected by the public, and pragmatic in the long term. However, there is insufficient research on what, if any, municipal green projects and policies generate economic growth. To address this question, the author created a database of green and economic indicators, and modeled the green indicators to predict the economic indicators. The database included carbon usage, transportation metrics, water usage, the number of green jobs, and the gross domestic product (GDP) for the 100 largest cities, defined by metropolitan statistical area (MSA), in the U.S. To gather data on green indicators, existing green rankings, indices, and reports were evaluated for methodology and usability for this paper. The results of the data-gathering step show the need for more and better data collection. That means an increased number of green indicators should be collected, and data should be collected at the MSA (or county) level for more of the largest cities. Specifically to name some green indicators, data collection on energy usage, buildings, waste, land use, air quality, and food could be improved. Those green indicators would likely be included in a model that uses green indicators to predict green jobs or GDP. However, those were not included for the regressions in this paper. The results of the regressions in this paper show two indicators with promise for predicting economic growth as defined by GDP and number of green jobs: (1) percent of people using public transportation, biking, or walking to work, and (2) public water consumption per person. The first explanatory variable indirectly measures the adoption of policies that promote public transportation, biking, and walking. The results suggest that these policies have a positive effect on GDP and number of green jobs. This means the results suggest that as the percent increases, so does GDP and number of green jobs. The second explanatory variable measures the water conservation policies. The results suggest this variable has a negative, albeit weaker relationship with GDP per person. This means the results suggest as water conservation increases (less water usage per person), the GDP per person increases. This paper offers a methodology and some of the groundwork for building a model to show which, if any, municipal green projects and policies predict economic growth.Public Affair
Fluorescence lifetime DNA-PAINT for multiplexed super-resolution imaging of cells
No full textOleksiievets N, Sargsyan Y, Thiele JC, et al. Fluorescence lifetime DNA-PAINT for multiplexed super-resolution imaging of cells. Communications Biology . 2022;5(1): 38.DNA point accumulation for imaging in nanoscale topography (DNA-PAINT) is a powerful super-resolution technique highly suitable for multi-target (multiplexing) bio-imaging. However, multiplexed imaging of cells is still challenging due to the dense and sticky environment inside a cell. Here, we combine fluorescence lifetime imaging microscopy (FLIM) with DNA-PAINT and use the lifetime information as a multiplexing parameter for targets identification. In contrast to Exchange-PAINT, fluorescence lifetime PAINT (FL-PAINT) can image multiple targets simultaneously and does not require any fluid exchange, thus leaving the sample undisturbed and making the use of flow chambers/microfluidic systems unnecessary. We demonstrate the potential of FL-PAINT by simultaneous imaging of up to three targets in a cell using both wide-field FLIM and 3D time-resolved confocal laser scanning microscopy (CLSM). FL-PAINT can be readily combined with other existing techniques of multiplexed imaging and is therefore a perfect candidate for high-throughput multi-target bio-imaging. © 2022. The Author(s)
«ЛИХВАРСЬКИЙ СПРИТ І ШАХРАЙСЬКА ХИТРІСТЬ»: СТАНІСЛАВ ТАРНОВСЬКИЙ ПРО ТРАНСФОРМАЦІЮ ЗАМОЖНОЇ ШЛЯХТИ ГАЛИЧИНИ В УМОВАХ СТАНОВЛЕННЯ ВІЛЬНОРИНКОВОГО СУСПІЛЬСТВА
No full textThe article is devoted to the analysis of the essay “Portions” (“Porcyi”) authored by the famous Polish scientist, politician and publicist S. Tarnowski (1837-1917), which was published in November 1874 and revealed changes in social position, economic activity and behavior of wealthy Galician nobles, who, taking advantage of the plight of the peasantry, were actively engaged in usury, earning a solid income. The author states that remaining outside the “noble origin of the owners of estates”, these nobles actually turned into rural extortionists, who are essentially no different from the representatives of the “merchant’s craft” (commissioners, brokers, moneylenders, etc.), genus classes which did not provide for honor and conscience. This, according to S. Tarnowsky, caused enormous damage to the “Polish cause”, as it destroyed the barely planned agreement between the nobility and the peasantry.Стаття присвячена аналізу есе «Порції» («Porcyi») авторства відомого польського науковця, політика і публіциста С. Тарновського (1837-1917 рр.), яке було опубліковане у листопаді 1874 р. і розкривало зміни в соціальній позиції, економічній діяльності і поведінці заможних галицьких шляхтичів, які, використовуючи нужденне становище селянства, активно займались лихварством, одержуючи солідні прибутки. Автор констатує, що залишаючись зовні «благородного походження власниками маєтків», ці шляхтичі насправді перетворились на сільських здирників, що за своєю сутністю нічим не відрізняються від представників «купецького ремесла» (комісіонерів, маклерів, лихварів і ін.), рід занять яких не передбачав честі й совісті. Це, на думку С. Тарнавського, завдавало величезної шкоди «польській справі», оскільки руйнувало ледь намічену згоду між шляхтою і селянством
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