322 research outputs found
Renaissance architecture and ornament in Spain : a series of examples selected from the purest works executed between the years 1500-1560
No full textmeasured and drawn together with short descriptive text by Andrew N Prentice. Archt. Associate of the Roysl Institute of Britisch Architects. Soane Medallist 188
Non-noble metal nanocatalysts for the purification and reduction of carbon dioxide
No full textThe transition from fossil fuels to more sustainable energy sources is expected to take several decades. A major challenge in the interim is efficient capture, purification, and upgrading of carbon dioxide (CO2). The development of novel heterogeneous catalytic systems is essential to address many of the technological and economic challenges at hand. Nanostructures based on non-noble metals have been traditionally understudied due to their high chemical instability in both synthesis and application. The unique sensitivity and chemical reactivity of their nanostructures, however, offer the possibility for designing new catalytic systems with inherent benefits (e.g., product selectivity, mass activity, and cost). This thesis contains two parts: first on the development of nanomaterial systems for the purification of CO2 from flue gas by the catalytic reduction of oxygen (O2) and second on the design of novel catalysts for the thermal and electrochemical reduction of CO2. This research aims at combining the fundamentals of nanostructures and catalysis with practical applications such to provide new processes for the sequestration and utilization of CO2.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-08-01The student, Andrew Kuhn, accepted the attached license on 2021-07-09 at 10:09.The student, Andrew Kuhn, submitted this Dissertation for approval on 2021-07-09 at 10:13.This Dissertation was approved for publication on 2021-07-09 at 16:07.DSpace SAF Submission Ingestion Package generated from Vireo submission #16821 on 2022-01-12 at 12:54:07Made available in DSpace on 2022-01-12T22:35:07Z (GMT). No. of bitstreams: 2
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Previous issue date: 2021-07-09Embargo set by: Seth Robbins for item 121091
Lift date: 2024-01-12T22:35:30Z
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemAuthor requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemU of I Onl
Exploration of the Photocatalytic Cycle for Sacrificial Hydrogen Evolution by Conjugated Polymers Containing Heteroatoms
No full textWe analyze the photocatalytic activity of heteroatom containing linear conjugated polymers for sacrificial hydrogen evolution using a recently proposed photocatalytic cycle. We find that the thermodynamic barrier to electron transfer, relevant both in the presence and absence of noble metal co-catalysts, changes with polymer composition, reducing upon going from electron-rich to electron-poor polymers, and disappearing completely for the most electron-poor polymers in a water rich environment. We discuss how the latter is probably the reason why electron-poor polymers are generally more active for sacrificial hydrogen evolution than their electron-rich counterparts. We also study the barrier to hydrogen-hydrogen bond formation on the polymer rather than the co-catalyst and find that it too changes with composition but is always, at least for the polymer studied here, much larger than that experimentally reported for platinum. Therefore, it is expected that in the presence of any noble metal particles these will act as the site of hydrogen evolution
Measured drawings of travelling architectures
No full textAt the final decades of the 19th century and the first third of the 20th Spain was a favorite destination for European and American scholars, attracted by Hispanic historical architecture. Some of them conveyed romantic picturesqueness, such as M. Digby Wyatt. Others were fascinated by the Renaissance architecture, as Andrew Noble Prentice. There were also art dealers, such as Arthur Byne, who made extensive collections of drawings and photographs. This work will focus on measured drawings of Spanish Renaissance architecture made by those travelers. Works that accurately described the formal aspects of the so-called Plateresco, mainly patios, wooden ceilings, stairs, ironwork, etc
Hydrogen Evolution by Polymer Photocatalysts; a Possible Photocatalytic Cycle
No full textWe propose, supported by ab-initio calculations, a possible photocatalytic cycle for hydrogen evolution by a prototypical polymer photocatalyst, poly(p-phenylene), in the presence of a sacrificial electron donor. As part of that cycle we also introduce a family of related sites on the polymer that in the absence of a noble metal co-catalyst can facilitate the evolution of molecular hydrogen when the polymer is illuminated. The bottlenecks for hydrogen evolution, electron transfer from the sacrificial electron donor and hydrogen-hydrogen bond formation, are discussed, as well as how they could potentially be improved by tuning the polymer properties and how they change in the presence of a noble-metal co-catalyst
A multi-paradigm, whole system view of health and social care for age-related macular degeneration
No full textReview of Carstairs-McCarthy, Andrew 'The origins of complex language': Oxford, Oxford University Press, 1999, pp. vi + 260
No full textThere are three features of contemporary languages that stand in need of explanation because, the author claims, they are not inevitable. These features are: large vocabulary, duality of patterning (the analysability of utterance into morphemes and phonemes), and the distinctness between the noun phrase and the sentence
A resilience framework for the University of Northern British Columbia co-operative education program
No full textThis project focused on fostering resilience amongst co-operative higher education students as a necessary skill for success in academia, the workforce, and in life. There are five chapters in this project. Chapter 1 outlines the significance, background, and purpose of the project, as well as my personal location as a researcher. Chapter 2 presents a thematic and study-by-study literature review that explores co-operative education and its models as well as ramifications of student resilience in higher education. The literature review identified major themes of academic, career, stress/emotional, and communication/social resilience common to co-operative higher education students. Chapter 3 discusses the research methods, which were based on an educational qualitative orientation and content and documentary research designs.higher educationacademiccareereducation qualitative orientationpre-employment trainingcompetencie
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