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veronesi, gene p. "Collateral Promoters of the Venetian Myth: Veronese Chronicles in the Age of Venetian Hegemony." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1444476739.
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Álvarez, Suarez Lourdes, Sánchez Claudia Isabel Domínguez, Laura Paola Jasmín Mendivil, and Ode Nicola Jorge Saba. "Marketplace Cereza." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/625332.
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El presente trabajo de investigación es acerca de un modelo de negocio innovador y viable de comercio electrónico B2C, que consiste en conectar a las pastelerías finas con los consumidores que buscan alternativas de tortas y postres saludables elaborados con ingredientes naturales y nutritivos, además, que exista la opción de personalización al gusto del cliente. Cabe indicar, que el medio de conexión de las pastelerías finas con los consumidores es a través de una plataforma Marketplace y por medio de ferias que se desarrollaran en los distritos ubicados en las zonas 2, 4, 6, 7 y 8 de Lima Metropolitana donde se encuentran los consumidores potenciales, así nace, la idea de negocio Cereza. La empresa para obtener los ingresos económicos ofrecerá a las pastelerías finas, el servicio de marketing digital, soporte en gestión comercial y logístico por medio del servicio delivery; las pastelerías finas para contar con estos servicios tendrá a su disposición planes de afiliación para asociarse al Marketplace, opciones de participar en las ferias organizadas por la empresa mediante el pago de una inscripción y gozar de los beneficios de promoción de marca y productos en todas las campañas de publicidad que realice la empresa Cereza con la finalidad de atraer clientes consumidores hacia el Marketplace donde el cliente consumidor encontrará un portafolio de tortas y postres con las opciones de personalizar el diseño, realizar sus pedidos, pagar a través de la pasarela de pago seguro y elegir el servicio delivery, si desea que el pedido sea entregado en su domicilio.The present research is about an innovative and viable business model of B2C e-commerce, which consists of connecting fine bakeries with consumers looking for alternatives to healthy cakes and desserts made with natural and nutritious ingredients, in addition to the option of personalization to the client's taste. It should be noted that the means of connection of fine bakeries with consumers is through a Marketplace platform and through fairs that will be developed in the districts located in zones 2, 4, 6, 7 and 8 of Metropolitan Lima where potential consumers are found, this is how the idea of the business Cereza was born. In order to obtain the economic income, the company will offer the fine bakeries, the digital marketing service, support in commercial and logistic management through the delivery service; to have access to this services fine bakeries will offer the chance of giving affiliation plans to join the Marketplace, options to participate in fairs organized by the company by paying an enrollment and enjoy the benefits of brand promotion and products in all advertising campaigns carried out by the company Cereza in order to attract consumers to the Marketplace where the consumer customer will find a portfolio of cakes and desserts with options to customize the design, place orders, pay through the secure payment gateway and choose the delivery service, if you want the order delivered to your home.
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Gidby, Marcus. "Defects in ceria." Thesis, Linköping University, Department of Physics, Chemistry and Biology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-17576.
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The solid oxide fuel cell (SOFC) technology has been under research since thelate 1950s, and most of the research has been on designs utilizing yttria stabilized zirconia (YSZ) as the electrolyte of choice. However, the SOFC technology has the major drawback of requiring high operation temperatures (up to 1000 degrees Celcius), so research of alternative materials have come into interest that would possibly require a lower working temperature without any significant loss of conductivity.One such material of interest for the electrolyte is compounds of ceriumdioxide (ceria). Ceria is well known for its ability to release oxygen by formingoxygen vacancies under oxygen-poor conditions, which increases its oxygen ionconductivity, and works at a lower temperature than the YSZ compounds whenproperly doped. Conversely, ceria is also able to absorb oxygen under oxygen-rich conditions, and those two abilities make it a very good material to use in catalytic converters for reduction of carbon monoxide and nitrogen oxide emission. The ability for the oxygen ions to easily relocate inbetween the different lattice sites is likely the key property of oxygen ion transportation in ceria. Also, in oxygen-rich conditions, the absorbed oxygen atom is assumed to join the structure at either the roomy octrahedral sites, or the vacant tetrahedral sites. Following that, the oxygen atom may relocate to other vacant locations, given it can overcome a possible potential barrier.
This thesis studies how those interstitial oxygen vacancies (defects) affect theenergy profile of ceria-based supercells by first principles calculations. The system is modeled within the density functional theory (DFT) with aid of (extended) local density approximation (LDA+U) using the software VASP. Furthermore, it is studied how those vacancies affect neighbouring oxygen atoms, and wether or not it is energetically benificial for the neighbouring atoms to readjust their positions closer or further away from the vacancy. The purpose of this thesis is to analyze wether or not it is theoretically possible that interstitial oxygen vacancies may cause neighbouring oxygen atoms to naturally relocate to the octahedral site in ceria, and how this affects the overall energy profile of the material.
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Veloso, Guillaume Esteves. "Sistema CEREC chairside." Bachelor's thesis, [s.n.], 2008. http://hdl.handle.net/10284/1003.
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Monografia apresentada à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Licenciado em Medicina DentáriaAs cerâmicas apresentam uma excelente estética e biocompatibilidade, no entanto, têm sofrido modificações estruturais com a finalidade de torná-las cada vez mais resistentes e poderem ser utilizadas sozinhas como material restaurador, sem a necessidade de serem utilizadas juntamente com o metal. A tecnologia CAD/CAM (desenho assistido por computador/ fabricação assistida por computador) teve início em 1971, com François Duret, e representa a aplicação da tecnologia computorizada na prática da medicina dentária. O sistema CAD/CAM funciona basicamente em três passos: digitalização do preparo dentário, desenho e produção da restauração. O CEREC (restaurações cerâmicas estéticas económicas em consultório) é um sistema CAD/CAM que surgiu em 1980 e sofreu evolução até ao actual CEREC 3 chairside, o qual permite a realização de inlays, onlays, facetas e coroas totalmente cerâmicas em apenas uma consulta. O CEREC chairside permite a produção mecanizada de restaurações totalmente cerâmicas a partir de blocos homogéneos de cerâmica feldspática totalmente sinterizados. Relativamente aos estudos mencionados nesta monografia, a longevidade das restaurações realizadas com o sistema CEREC apresentam resultados com uma elevada taxa de sucesso a longo prazo. Ceramics present excellent esthetic results and biocompatibility, although, they have undergone structural modifications with the intention of increasing their resistance and making them able to be used alone as a single restoration material, without the need to be coupled with metal. The CAD/CAM (computer assisted design/computer assisted manufacturing) technology was developed in 1971 by Francois Duret, and represents the application of computerized technology in the dentistry field. The CAD/CAM system basically functions in 3 steps: digitalization of the dental preparation, design and production of the restoration. The CEREC (Chairside Economical Restoration of Esthetic Ceramics) is a CAD/CAM system first introduced in 1980 and has evolved to what is known today as the CEREC 3 chairside, which allows for inlays, onlays, veneers and crowns to be prepared and applied in only one visit. The CEREC chairside allows the mechanized production of all ceramic restorations from homogeneous blocks of feldspathic fully sintered ceramics. Relative to the studies mentioned in this thesis, the longevity of the restorations produced by the CEREC system display results with high long term success rates.
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Castillo, Andrea, Camilo Cerda, Sebastián Cuadra, Priska Gallardo, and Rubén Klerman. "Cerca del río." Tesis, Universidad de Chile, 2018. http://repositorio.uchile.cl/handle/2250/151942.
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Cortometraje de ficción pata optar al título de realizador en cine y televisiónCortometraje de ficción que cuenta la historia de Rocío (52), madre soltera que vive aislada junto a sus dos hijos Isadora (12) y Felipe (7) en Constitución, una localidad fuertemente afectada por el incendio de 2017 en el sur de Chile. Convencida de que las demás personas quieren herir a su familia, educa estrictamente a sus hijos en casa y no les permite salir, hasta el punto de que sus temores a los peligros del mundo exterior la harán poner en riesgo la vida de su hijo.
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Schorghofer, Norbert, Shane Byrne, Margaret E. Landis, Erwan Mazarico, Thomas H. Prettyman, Britney E. Schmidt, Michaela N. Villarreal, Julie Castillo-Rogez, Carol A. Raymond, and Christopher T. Russell. "The Putative Cerean Exosphere." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/626261.
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The ice-rich crust of dwarf planet 1 Ceres is the source of a tenuous water exosphere, and the behavior of this putative exosphere is investigated with model calculations. Outgassing water molecules seasonally condense around the winter pole in an optically thin layer. This seasonal cap reaches an estimated mass of at least 2 x 10(3) kg, and the aphelion summer pole may even retain water throughout summer. If this reservoir is suddenly released by a solar energetic particle event, it would form a denser transient water exosphere. Our model calculations also explore species other than H2O. Light exospheric species escape rapidly from Ceres due to its low gravity, and hence their exospheres dissipate soon after their respective source has faded. For example, the theoretical turn-over time in a water exosphere is only 7 hr. A significant fraction of CO2 and SO2 molecules can get trapped and stored in perennially shadowed regions at the current spin axis orientation, but not at the higher spin axis tilt, leaving H2O as the only common volatile expected to accumulate in polar cold traps over long timescales. The D/H fractionation during migration to the cold traps is only about 10%.
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Jenkins, Simon Anthony. "Fluidised bed cereal cooking." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251547.
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Pires, Mariana Rennhack. "Cerra??o de choradeira." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2016. http://tede2.pucrs.br/tede2/handle/tede/6550.
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This dissertation consists of a fictional text (a novel called Cerra??o de choradeira) and a creation report. The novel aims to follow the steps of Death and her ?employees? (carpideiras), whose task is to mourn the dead ones in memorial services, most frequent without even knowing them. This story?s protagonist is Ast?cia, a lady from a family of migrants who mourns in an isolated location at the South of Brazil (Rio Grande do Sul). Cerra??o de choradeira follows her path, her partnership with Death itself, and the effect that this particular relationship has on other characters? way to confronting the Inevitable. In order to obtain this broaden perspective, the novel tries to work with different points of view and storylines.
Esta disserta??o ? composta por um texto ficcional (um romance de nome Cerra??o de choradeira) e um memorial de cria??o. O romance busca acompanhar a trajet?ria da Morte e de suas ?funcion?rias? (as carpideiras), que t?m como of?cio chorar pelos falecidos em vel?rios, muitas vezes sem ao menos ter conhecido o defunto. A protagonista ? Ast?cia, uma senhora de fam?lia de migrantes que atua em uma vila isolada no Rio Grande do Sul. Cerra??o de choradeira acompanha a trajet?ria da carpideira, sua parceria com a pr?pria Morte, e o modo como esta rela??o peculiar influi na vis?o que as demais personagens t?m da Inevit?vel. Para obter esta vis?o plural, o romance procura trabalhar com diferentes focos narrativos e linhas temporais.
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Oliveira, Guilherme Alberto Palma de. "O ensino na cerca." Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2013. http://hdl.handle.net/10400.5/11799.
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Buti, Rafael Palermo. "A-cerca do pertencimento." reponame:Repositório Institucional da UFSC, 2012. http://repositorio.ufsc.br/xmlui/handle/123456789/92535.
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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas, Programa de Pós-graduação em Antropologia Social, Florianópolis, 2009Made available in DSpace on 2012-10-24T09:50:56Z (GMT). No. of bitstreams: 1 276054.pdf: 1302471 bytes, checksum: 22583ba38af3797da541c2e43729a874 (MD5)
O presente trabalho tem como foco de pesquisa as estratégias dos membros da comunidade Invernada Paiol de Telha em vistas de reaver as terras chamadas Fundão, ou Invernada Paiol de Telha, doadas a 13 escravos seus ascendentes, ainda no ano de 1860, pela então proprietária destes, Balbina Francisca de Siqueira, e das quais foram expulsos em meados da década de setenta. Uma vez fora das terras, os sucessores daqueles escravos vivem principalmente a partir de quatro diferentes bases espaciais ou núcleos, de acordo com os diversos atores envolvidos no processo de reivindicação: os municípios paranaenses de Guarapuava e Pinhão, um assentamento do INCRA, localizado na Colônia Socorro, distrito de Entre-Rios, e o acampamento por eles feito nas cercanias das terras reivindicadas. Dado o aspecto segmentar do grupo, as estratégias em vistas de reaver as terras ganham dimensões sempre novas, atreladas aos diferentes contextos nos quais se encontram seus membros. Estas estratégias revelam, criam e recriam modos diferentes de pensar o grupo, suas estratégias políticas, sua coletividade e sua história.
This dissertation focuses on the strategies of Invernada Paiol de Telha community members in the quest of recovering the land called Fundão, or Invernada Paiol de Telha. This land was donated to 13 slaves - ancestors of many among the community -, back to the year 1860, by their owner Balbina Francisca de Siqueira. According to the various actors involved in the land claim process, once the successors of those slaves were expelled of the land in the mid-seventies, they organized themselves in four different territorial bases or cores: the municipal districts of Guarapuava and Pinhão in Paraná; a settlement of INCRA, located in Colônia Socorro, district of Entre-Rios/PR; and the camp made by them on the outskirts of the lands claimed. Due to the segmentary aspect of the group, the strategies used in trying to regain the land always assume distinct dimensions, related to the different contexts in which their members are involved. These strategies reveal, create and recreate different ways of thinking about the group, their political strategies, their collectivity, and their history.
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Ribeiro, Ricardo Manuel Pereira. "Qual a eficácia clínica do sistema CEREC com os seus diferentes materiais para reabilitação em prótese fixa e sobre implantes?" Master's thesis, [s.n.], 2015. http://hdl.handle.net/10284/5061.
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Projeto de Pós-Graduação/Dissertação apresentado à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Mestre em Medicina DentáriaIntrodução: A evolução das tecnologias em todas as áreas de atividade tem mudado a maneira como se aborda os desafios que são impostos nos dias de hoje. Na medicina dentária tem acontecido o mesmo que na área da saúde em geral, uma resistência enorme às novas técnicas e tecnologias, mas o que é certo é que a era digital esta cada vez mais implantada e a ganhar sobre essa resistência. Os sistemas CAD/CAM já fazem parte integrante da reabilitação dentária, principalmente por via dos laboratórios dentários, mas também no consultório com o sistema CEREC que conseguiu colocar a tecnologia CAM/CAM em consultório ao dispor do médico, dentista e dos pacientes. Objetivos: Verificar, através de uma revisão bibliográfica a evolução dos sistemas CAD/CAM CEREC nos últimos anos. Pretende-se verificar a eficácia clinica deste sistema propriamente dito nos seus diversos materiais para as reabilitações de prótese fixa e reabilitações sobre impantes. Materiais e métodos: Na elaboração desta dissertação foi realizada uma revisão bibliográfica no período que vai desde 1994 até Março de 2015. Foram utilizadas bases de dados como Pubmed (medline), Elsevier, Scielo e GoogleAcademic, com as palavras-chave: “digital prosthetic dentistry”; “dental cad/cam”; “dental ceramics”; “CEREC”; “sistema CEREC”; “materiais CEREC”. Resultados: Nesta revisão foram verificados estudos que mostraram que reabilitações realizadas pelos sistemas CAM/CAM CEREC tiveram bom comportamento clinico nas diversas valências, estética, adaptação marginal, resistência ao desgaste entre outros parâmetros clínicos. Conclusão: Ao longo dos últimos 20 anos do sistema CEREC, muito se tem evoluído e certamente muito se vai continuar a evoluir. O resultado dessa evolução tem sido testado pelos variados estudos, mostrando que clinicamente é um sistema rápido e preciso. A medicina dentária eleva-se para outro nível com esta tecnologia e os profissionais da área ao perceberem isso vão certamente levar as consequências dessa evolução para o paciente, realizando tratamentos mais eficazes e rápidos sendo do ponto de vista clínico uma mais valia para todos. Introduction: The evolution of technology in all areas of activity has changed the way it addresses the challenges that are imposed today. In dentistry it has happened the same way as in health care in general, a huge resistance to new techniques and technologies, but what is certain is that the digital age is increasingly expanding and to getting over this resistance. CAD / CAM systems already form an integral part of the dental rehabilitation, mainly throughout dental laboratories, but also in the dentist’s office (with CEREC system) that places the CAD / CAM technology to the dentists and patients reach. Objectives: To determine, throughout a bibliographic review the evolution of the CEREC systems in past few years. This was intended to verify the clinical effectiveness of the system itself in the various materials it works with: for fixed prosthetic restorations and rehabilitations on impantes. Methods: In preparing this thesis a bibliographic review was performed in the period of 1994 to March de 2015. Databases were used as Pubmed (Medline), Elsevier, sceilo and googleacademic with the keywords "digital prosthetic dentistry" ; "Dental cad / cam" ;"Dental ceramics" ;"CEREC" ;"CEREC system" ;"CEREC materials." Results: In this review studies checked restorations made by the CEREC systems had good clinical behavior in the following various aspects: aesthetics, marginal fit, wear resistance and other clinical parameters. Conclusion: Over the last 20 years the CEREC system, much has developed and certainly much is going to keep evolving. The result of this evolution has been analised by various studies showing that clinically it is a very fast and precise system. Dentistry has been elevated to a whole new level with this technology and the professionals aswell, that being so, the consequences of this evolution will be led to the patient, the treatments will be faster and more effective, from the clinical point of view with an added value for everyone.
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Kullgren, Jolla. "Oxygen Vacancy Chemistry in Ceria." Doctoral thesis, Uppsala universitet, Strukturkemi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-167521.
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Cerium(IV) oxide (CeO2), ceria, is an active metal oxide used in solid oxide fuel cells and for the purification of exhaust gases in vehicle emissions control. Behind these technically important applications of ceria lies one overriding feature, namely ceria's exceptional reduction-oxidation properties. These are enabled by the duality of the cerium ion which easily toggles between Ce4+ and Ce3+. Here the cerium 4f electrons and oxygen vacancies (missing oxygen ions in the structure) are key players. In this thesis, the nature of ceria's f electrons and oxygen vacancies are in focus, and examined with theoretical calculations. It is shown that for single oxygen vacancies at ceria surfaces, the intimate coupling between geometrical structure and electron localisation gives a multitude of almost degenerate local energy mimima. With many vacancies, the situation becomes even more complex, and not even state-of-the-art quantum-mechanical calculations manage to predict the experimentally observed phenomenon of vacancy clustering. Instead, an alternative set of computer experiments managed to produce stable vacancy chains and trimers consistent with experimental findings from the literature and revealed a new general principle for surface vacancy clustering. The rich surface chemistry of ceria involves not only oxygen vacancies but also other active oxygen species such as superoxide ions (O2−). Experiments have shown that nanocrystalline ceria demonstrates an unusually large oxygen storage capacity (OSC) and an appreciable low-temperature redox activity, which have been ascribed to superoxide species. A mechanism explaining these phenomena is presented. The ceria surface is also known to interact with SOx molecules, which is relevant both in the context of sulfur poisoning of ceria-based catalysts and sulfur recovery from them. In this thesis, the sulfur species and key mechanisms involved are identified.
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Daniell, Wayne. "Ceria based emission control catalysts." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243341.
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Humphreys, Emma J. "Molecular diagnostics for cereal rusts." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273258.
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Chaudhry, Abdul Shakoor. "Nutritional improvements of cereal straws." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279301.
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Sori, Michael M., Shane Byrne, Michael T. Bland, Ali M. Bramson, Anton I. Ermakov, Christopher W. Hamilton, Katharina A. Otto, Ottaviano Ruesch, and Christopher T. Russell. "The vanishing cryovolcanoes of Ceres." AMER GEOPHYSICAL UNION, 2017. http://hdl.handle.net/10150/623032.
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Ahuna Mons is a 4 km tall mountain on Ceres interpreted as a geologically young cryovolcanic dome. Other possible cryovolcanic features are more ambiguous, implying that cryovolcanism is only a recent phenomenon or that other cryovolcanic structures have been modified beyond easy identification. We test the hypothesis that Cerean cryovolcanic domes viscously relax, precluding ancient domes from recognition. We use numerical models to predict flow velocities of Ahuna Mons to be 10-500 m/Myr, depending upon assumptions about ice content, rheology, grain size, and thermal parameters. Slower flow rates in this range are sufficiently fast to induce extensive relaxation of cryovolcanic structures over 10(8)-10(9) years, but gradual enough for Ahuna Mons to remain identifiable today. Positive topographic features, including a tholus underlying Ahuna Mons, may represent relaxed cryovolcanic structures. A composition for Ahuna Mons of >40% ice explains the observed distribution of cryovolcanic structures because viscous relaxation renders old cryovolcanoes unrecognizable.
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Asiry, Khalid A. M. "The impacts of cereal-legume intercropping on biological control of cereal aphids within temperate agro-ecosystems." Thesis, University of Reading, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541943.
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Watts, Amanda Elizabeth. "Revitalization of the Cereal Category: Applying Brand Revival Techniques to Increase Sales of General Mills' Cereal." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/578929.
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In recent years, sales in the cereal category have been declining across major manufacturers' brands. Current literature depicts successful tactics involved in brand revival, however lacks information about the application of these strategies to an entire category. This study aims to analyze and apply these methods with a focus on General Mills' cereals in an attempt to make viable recommendations for the company to implement and increase overall sales. By making naturalistic observations both in a grocery store and online via YouTube and General Mills brand websites, this paper identifies how General Mills currently positions cereal. Furthermore, through the examination of social media posts and the use of interviews and surveys, this report portrays what consumers perceive about cereal in regards to the four aforementioned areas. The results provide areas of opportunity for General Mills to expand upon moving forward. Findings from this analysis indicate General Mills should focus on expanding nostalgia appeals, supplementing the snacking occasion notion, emphasizing cereal as an ingredient for others foods, and further researching the viability of reusable packaging for particular items.
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Ralph, James Michael. "A study of doped ceria electrolytes." Thesis, Imperial College London, 1998. http://hdl.handle.net/10044/1/7782.
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Olsson, Johan. "Modern methods in cereal grain mycology /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5792-0.pdf.
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Filho, Carlos Pieta. "Cereal seed development and seed quality." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280316.
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O'Hara, Robert Brian. "Population dynamics of cereal powdery mildews." Thesis, University of East Anglia, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320775.
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Entwistle, J. C. "Forecasting cereal aphid outbreaks in England." Thesis, University of East Anglia, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377693.
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Acreman, T. M. "Resistance to cereal aphids in wheat." Thesis, University of East Anglia, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.352516.
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Alonso, Fernández Valeria 1977. "Cerda and Barcelona : research and plan." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43909.
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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Architecture, 2008.Vita.
Includes bibliographical references (p. 93-94).
The Industrial Revolution had a huge impact on nineteenth century cities had plans to expand the "old city". Due to its historical controversy a plans developed during that time was the Eixample plan in Barcelona. The Eixample plan is the result of a controversial competition won in as a Civil Engineer and influenced by the Socialist thinkers of the time like Etienne, Cabet carried out meticulous studies of the living conditions inside t the old city. In the 1850's, Barcelona was going through an era of rapid industrial the arrival of the Industrial Revolution, the introduction of factories, and the conditions inside the wall worsened. As a result, epidemics like cholera beset the most advanced city in Spain was also, at some level, the most inhuman. Cedá's plan was different from others in the sense that it was a ... on an egalitarian grid, an economic proposal, and a comprehensive circulation important aspect of the plan was that Cedá's design intention was not only a functionality was a response to the industrial society's conditions. Due to hi! and his radical, utopian, and egalitarian proposal, his plan was not well received the central government. It eventually took decades for Catalans to digest and applaud Cedá's work. The main purpose of this thesis is to reveal Cedá's vision, that of an technical mind. Although much research has been done about the Eixample the meticulous, almost obsessive studies Cedá did of conditions inside thew the physical plan. This thesis, first of all, describes the city's conditions and how Cedá was receptive to them. Secondly, it shows how he combined a vision with the capacity to think about cities as shifting social entities, receptive to infinite agents. finally, it describes Cedá's design approach and the result of that process: the Eixample plan and how it exists in todays world, making it a remarkable urban design example.
by Valeria Alonso Fernández.
S.M.
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Collins, Tony J. "Appressorium induction in the cereal rusts." Thesis, University of Edinburgh, 1996. http://hdl.handle.net/1842/14665.
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The aims of the project were to define the signals provided by the cereal host which induce cereal rusts to form appressoria over stomata, and to analyse the mechanism by which these signals are transduced. Using polystyrene replicas of microfabricated silicon wafers to provide precisely defined topographies, appressoria were induced in all the cereal rusts analysed (Puccinia graminis f. sp. tritici, P. graminis f. sp. avenae, P. graminis f. sp. secalis, P. recondita f. sp. tritici, P. coronata f. sp. avenae and P. hordei) by topographies with closely spaced (1.5 μm) ridges. Ridges of different heights (between 0.116 μm and 2.4 μm) were tested. The patterns of response to different ridge heights was not correlated to host nor rust species. Only one rust, P. graminis f. sp. secalis, formed significant numbers of appressoria (up to 62%) on ridges spaced 50 μm apart (= single ridges). The formation of appressoria on host leaves was found to be very efficient, 92-95% of germlings encountering a stoma formed an appressorium over the stoma. On polystyrene host leaf replicas, however, the efficiency was much less, and varied significantly between rusts (4%-63%). Again, the variation was not correlated to host or rust species. The implication was that while topographical signals alone are sufficient to induce appressoria in vitro, topography of the host alone was not sufficient to explain the high efficiency of appressorium induction seen in vivo. It was shown for P. graminis f.sp. tritici that the volatile compounds trans-2-hexen-1-ol and cis-3-hexen-1-ol, produced by the host plant as part of the lipoxygenase pathway, induced appressoria in the absence of topographical stimuli. Induction was dose dependent and optimal at 1 mM when applied to the fungus as a solution. Appressoria were also induced when the germlings were exposed to vapour from solutions of trans-2-hexen-1-ol. Induction was over a very narrow range of concentrations (1-2 mM).
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Marlow, Gregory. "Week 11, Video 08: Cereal Rotation." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/digital-animation-videos-oer/77.
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Morkel, CA. "An agricultural high school for Ceres." Thesis, Faculty of Engineering and the Built Environment, 2021. http://hdl.handle.net/11427/33395.
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It is essential for this country that a progressive policy shall be adopted in the field of agriculture for it can be said that the agricultural industry of the Republic plays a leading part in the development of its potential resources and is of great importance to the country's wellbeing. It is the backbone of the country's economic structure, being equalled to in importance only by our mining industry.
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Pieta, Filho Carlos. "Cereal seed development and seed quality." Reading (U.K.), 1991. http://repositorio.ufsc.br/xmlui/handle/123456789/75763.
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Perucchi, Juliana. "Mater semper certa est pater nunquan." Florianópolis, SC, 2008. http://repositorio.ufsc.br/xmlui/handle/123456789/91286.
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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas. Programa de Pós-Graduação em PsicologiaMade available in DSpace on 2012-10-23T20:58:05Z (GMT). No. of bitstreams: 1 249937.pdf: 1255055 bytes, checksum: b5a14970374ca9a6edef6450d28a102f (MD5)
A paternidade tem se destacado como tema de pesquisas em diferentes áreas e tem sido objeto de calorosas discussões em vários contextos da vida social. O debate que envolve as questões sobre paternidade no âmbito jurídico encontra solo fértil nessa arena de discussões sociais e de pesquisas científicas. As possibilidades de investigação para a Psicologia nesse contexto são amplas e convidam ao desenvolvimento de pesquisas como a que aqui se apresenta. Esse é o resultado de um trabalho de quatro anos, no qual foram pesquisados os enunciados da paternidade do discurso jurídico brasileiro, procurando compreender como se produz a norma jurídica, como se normalizam os sujeitos e, neste sentido, como a norma jurídica é subjetivada pelos sujeitos, no que se refere à paternidade. A análise debruçou-se sobre documentos da jurisprudência brasileira. Foram pesquisadas dezenas de acórdãos disponíveis nos sites dos Tribunais de Justiça de Santa Catarina e do Rio Grande do Sul, com o descritor: paternidade. Após leitura e releitura do material arquivado realizou-se análise do discurso ancorada no referencial teórico de Michel Foucault. A análise realizada permite afirmar que os jogos argumentativos acerca da paternidade na jurisprudência brasileira deslocam-se fugidiamente de uma modalidade a outra por meio de práticas discursivas descontínuas que se cruzam e se complementam, mas que também, se excluem, se rompem. O discurso jurídico além de definir posições a serem ocupadas pelos operadores do Direito, também constitui um sujeito sobre o qual esses discursos incidem. Produz, assim, um regime de verdade sobre a paternidade que se estabelece discursivamente e fabrica pais. Regime de verdade ao qual se relacionam práticas institucionalizadas de poder # cujas instâncias dos tribunais, das novas tecnologias médico-legais e da família representam apenas uma parcela dessas dimensões institucionais. Assim, a paternidade não é uma essência inerente aos homens ou sua existência em forma concreta. Para que os homens sejam efetivamente inseridos na paternidade, ligados a ela, é necessária uma série de operações complexas por meio das quais eles se encontram vinculados aos dispositivos de produção dos diferentes e múltiplos modelos de paternidade. O Direito produz sujeitos por meio de seus dispositivos. Dispositivos engendrados por relações de poder e formas de funcionamento de saber que se encontram firmemente enraizadas naquilo que constitui as relações sociais no âmbito da paternidade.
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Togni, Doriana <1973>. "Ragazze trasgressive in cerca di identità." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/2051/1/togni_doriana_tesi.pdf.
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Togni, Doriana <1973>. "Ragazze trasgressive in cerca di identità." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/2051/.
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Shani, Baliana <1998>. "ceria-titania nanostructures for photocatalytic applications." Master's Degree Thesis, Università Ca' Foscari Venezia, 2022. http://hdl.handle.net/10579/21320.
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TiO2 is the most active and most suitable semiconductor photocatalyst. It is non-toxic, available, chemical and thermically stable but it has some disadvantages such as wide band gap (UV required) and fast recombination of charge carriers. CeO2 is one of the most reported rare earth metal oxides used in catalysis, based on its enhanced structural and redox properties. It is an effective coupling material with TiO2 in the field of visible light driven photocatalysis. The band gap of TiO2 is 3.2 eV, so it absorbs light in the UV region. The ceria addition induces a decrease in the energy gap and enhances the adsorption in the visible region, enabling the use of the catalyst under solar light.
The aim of this thesis is to optimize the synthetic procedure in order to obtain nano octahedra of pure TiO2 and Ce-doped TiO2 and to study the effect of Ce loading on the morphology of titania nanoparticles and their photocatalytic activity. The TiO2 samples containing different CeO2 loadings (ranging from 0 to 1.5 wt.%) were prepare by an ultrasonication-hydrothermal reaction of potassium titanate nanowires precursor. Also the Potassium titanate nanowires (TNWs) were prepared by hydrothermal reaction. All the materials were characterize by different techniques: XPS,XRD,HRTEM,DRIFT UV-VIS. The photocatalytic tests were carried out in aqueous solution at r.t. and P atm, under UV, visible and under simulated solar light irradiation with different target pollutant molecules.
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Poglia, Mileti Francesca Poglia Mileti Francesca. "Altérité et identité dans la relation interculturelle /." Lugano : ICeF, Università della Svizzera italiana, Facoltà di scienze della comunicazione, 2004. http://www.bul.unisi.ch/cerca/bul/pubblicazioni/com/pdf/icefq11.pdf.
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Extrait de la Th. sc. écon. Neuchâtel, 2001.Ce texte rassemble des extraits de la thèse de doctorat "Construction sociale des catégories de l'altérité et identité des populations migrantes", déposée en 2001 à l'Université de Neuchâtel. Bibliogr.
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Coelho, Karina Dantas. "Desenvolvimento e avaliação da aceitação de cereais matinais e barras de cereais à base de amaranto (Amaranthus cruentus L.)." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/89/89131/tde-25102006-105736/.
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O amaranto é um pseudocereal de grande valor nutricional que apresenta quantidade de fibras e proteína superior aos cereais usualmente consumidos. Características como o aproveitamento integral da planta e a sua capacidade de adaptação ao solo despertaram o interesse dos pesquisadores em cultivá-lo no Brasil. Objetivo: Desenvolver um processo para obtenção de cereais matinais e barras de cereal à base de amaranto visando a máxima aceitação e mínima perda de nutrientes. Metodologia: O cereal matinal foi produzido em extrusora de rosca única com capacidade de produção semi-industrial e as barras de cereal de acordo com técnica dietética apropriada. A modelagem da produção dos cereais matinais foi realizada empregando-se a metodologia de superfície de resposta, as variáveis dependentes (resposta) escolhidas foram razão de expansão máxima (RE) e força de cisalhamento mínima (FC), as variáveis independentes foram umidade da amostra e temperatura da terceira zona de aquecimento da extrusora. Resultados: Após dois delineamentos compostos centrais verificou-se que a umidade da amostra não exerceu efeito significativo no produto final, dessa forma a variável independente de importância para o estudo foi a temperatura do processamento. O ponto ótimo para o cereal matinal desenvolvido com a farinha desengordurada foi 15% de umidade e 140º C na terceira zona de aquecimento. Foi elaborado um segundo cereal matinal com o grão integral e esse apresentou as mesmas características de expansão e textura do cereal com farinha desengordurada. Os provadores preferiram a amostra com farinha desengordurada, que obteve 72% de notas acima do ponto de corte pré-estabelecido (nota 7). Foram confeccionados dois tipos de barra de cereais, ambas com 70% de amaranto, uma apenas com amaranto estourado e outra com uma mistura de amaranto estourado e extrusado. O teor de fibra e proteína nas duas preparações foi superior ao de produtos similares sem amaranto. A barra de cereal somente com amaranto estourado foi preferida por 66% dos provadores, sendo que 77% atribuíram à mesma, notas superiores à de corte. Conclusão: A composição nutricional dos produtos desenvolvidos é superior aos similares confeccionados com outros cereais e ambos apresentaram alta aceitabilidade.Amaranth is a pseudocereal of great nutritional value that exhibits amounts of fiber and protein higher than the usually consumed cereals. The agronomic characteristics and the possibility of utilization of the entire plant drew sufficient interest among plant breeders to produce this grain in Brazil. Objective: To develop amaranth-based breakfast cereals and cereal bars aimed at the maximal acceptance and minimal loss of nutrients. Methodology: The breakfast cereal was produced in a single screw extruder with semi-industrial capacity and the cereal bars in accordance with appropriate dietary technique. Results: After two central composite designs, it became evident that the independent variable of importance for the study was the temperature. It was observed that the moisture of the sample did not exert any significant effect in the final product within the range studied. Best results were obtained with 15% moisture and 140º C at the third zone. A breakfast cereal developed with the whole grain exhibited the same characteristics of expansion and texture of a product manufactured with the defatted flour. The sensory panel preferred the sample prepared with defatted flour, which obtained 72% of the grades above the pre-established cutting point 7. Two types of cereal bars, both containing 70% of amaranth, one with popped amaranth and another with a mixture of popped and extruded amaranth. The amount of protein and fiber was higher in these products when compared with similar formulations without amaranth. Cereal bars containing only the popped amaranth were preferred by 66% of the panel of whom 77% assigned grades equal to or higher than the cutting point. Conclusion: The nutritional value of the developed products is superior to the similars confectioned with other cereals and they had high acceptability.
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Rosch, Sabine. "Sol-gel-derived Pd/ceria-alumina and Pd/terbia-ceria-alumina catalysts for treatment of automotive exhaust gases." Thesis, University of Surrey, 2000. http://epubs.surrey.ac.uk/843783/.
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Using complexing-agent assisted sol-gel routes, mixed Pd/ceria-alumina and Pd/terbia-ceria-alumina catalysts were prepared. The materials have been characterised by means of ICP-MS, TEM, EDX, XPS, XRD, BET, TPR, TPO and TPD. Catalytic testing was carried out in a temperature programmed mode as well as isothermally, using synthetic exhaust gas mixtures with different air-to-fuel ratios. The obtained results were compared with those of traditionally impregnated Pd/ceria-alumina and PtRh/ceria-alumina. Evaluating the catalysts potential as three-way converters, it has been shown that as a result of the sol-gel preparation chosen, highly homogeneous materials were produced. These had (i) much higher oxygen storage potential (especially at low temperatures, T ≈ 400 - 500K), (ii) improved metal support interactions and (iii) lower CO and propane light-off temperatures (T50%(CO) ≈ 423K, T50%(C3H8) ≈ 593K for R ≥ 1). Under fuel-rich conditions an improved low temperature NO activity was shown for the ceria-containing materials. This was attributed to a ceria-mediated redox mechanism and an improved Pd-ceria interaction for these sol-gel-derived samples. The addition of terbia was found to promote the catalysts propane activity, especially under fuel-rich conditions. The application of the different catalysts as three-way converters has been discussed, with special emphasis on their potential during the cold-start period. In a further set of catalytic experiments, using less complex gas mixtures, a more comprehensive view of the detailed Pd chemistry involved in these new three-way catalysts was obtained.
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Russo, Spena Raffaella. "L’architettura americana cerca una identità : 1932-1948." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/320180.
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The thesis analyses the debate on the architecture of the European Modern Movement that took place in the United States during the period between the two world wars. With regard to this debate, which not only involved those operating in the architectural sector, but that ended up involving vast sectors of American society and the organization of architectural schools, the extreme characteristic features that lead back to a dialectic of modernity are emphasized gathering around the polarities represented by regionalism and universalism.
The aim was to analyse the social, cultural, and artistic context where an idea of architecture was being defined that, at the same time, was "modern" and "American", during the period between the Great Depression, which reached its peak in 1932, and the beginning of the Cold War, with the post-war reconstruction and the Marshall Plan of 1948.
The starting and ending dates of the period under study were precisely established in correspondence of two events organized by the MoMA in New York, since these two events were believed to mark two moments of crucial reflection in modern architecture.
In the sixteen years between the two events organized by the MoMA, American architecture demonstrated a progressive emancipation, as much from the cultural domination imposed by few isolated "pioneers", almost all European, as from the mythology of an American technological "exceptionalism" symbolized, in architecture, by the skyscraper and, therefore, the outlets of a process that was taking root and spreading were questioned: architecture no longer appeared indifferent to place and time but, on the contrary, it needed to be attentive to a topographical, climatic and cultural context. lt was no longer the legacy of a functional and rigidly sachlich culture of the early twenties, but it was the product of a personal and creative approach towards design. After all, during the period that separates the two dates, social, political and economic events occurred that would have extraordinary repercussions on architecture, as well.El trabajo de tesis analiza el debate sobre la arquitectura del Movimiento Moderno europeo que se llevó a cabo en los Estados Unidos en el período que transcurre entre las dos guerras mundiales. De este debate, en que parteciparon no sólo los protagonistas de la arquitectura, sino que terminó involucrando a amplios sectores de la sociedad norteamericana y a la organización de las escuelas de arquitectura, se remarcan las características extremas que reconducen a una dialéctica sobre la modernidad que se aglutina alrededor de las polaridades representadas por el regionalismo y por el universalismo. Se ha analizado el contexto social, cultural y artístico en que se estaba definiendo una idea de arquitectura que fuera, al mismo tiempo, "moderna" y "americana", en el período que transcurre entre la Gran Depresión, que alcanzó su cumbre en 1932, y el comienzo de la Guerra Fría con la reconstrucción pos-bélica y el Plan Marshall de 1948. Las fechas inicial y final del periodo objeto del estudio se han fijado precisamente en correspondencia de dos eventos organizados por el MoMA de Nueva York, ya que se ha considerado que estos acontecimientos marcan dos momentos de reflexión cruciales para la arquitectura moderna. En los dieciséis años que transcurren entre los dos eventos organizados por el MoMA, la arquitectura norteamericana había mostrado una emancipación progresiva, tanto del dominio cultural impuesto por un pequeño número de "pioneros" aislados, casi todos europeos, como de la mitología de un "excepcionalismo" tecnológico americano cuyo símbolo, en arquitectura, es el skyscraper, y se interrogaba sobre las salidas de un proceso que se estaba arraigando y difundiendo: la arquitectura ya no parecía indiferente al lugar y al tiempo sino, al contrario, tenía que prestar atención al contexto topográfico, climático y cultural; ya no representaba la herencia de la cultura funcional y rígidamente sachlich del comienzo de la década de los Veinte, sino el producto de una aproximación personal y creativa al proyecto. Por otra parte en el período que separa la dos fechas ocurren eventos sociales, políticos y económicos que tendrán consecuencias extraordinarias incluso para la arquitectura.
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Hammen, Volker Carsten. "On-line sensing of cereal crop biomass." Doctoral thesis, [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963475355.
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Luo, Xiang Yang. "Color image analysis for cereal grain classification." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23630.pdf.
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Majumdar, Samir. "Classification of cereal grains using machine vision." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23634.pdf.
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Vyas, Shyam. "Simulation of ceria : bulk and surface defects." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398294.
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Pàmies, Baltasar Vallès. "Hydration-induced textural changes in cereal products." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250579.
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Elias, Joseph Spanjaard. "CO oxidation catalysis with substituted ceria nanoparticles." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/105024.
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Thesis: Ph. D. in Inorganic Chemistry, Massachusetts Institute of Technology, Department of Chemistry, 2016.Cataloged from PDF version of thesis.
Includes bibliographical references.
The low-temperature and cost-effective oxidation of carbon monoxide to carbon dioxide remains a fundamental challenge in heterogeneous catalysis that would enable a diverse range of technologies for electrochemical storage and respiratory health. The development of new catalysts is often driven by high-throughput screening and many of the resulting compounds are mixed-phase, which obscures a rigorous identification of active sites and mechanisms at play for catalysis. In this thesis, the preparation of substituted ceria nanoparticles is described to bring about a fundamental understanding of the structure of the active sites, mechanism and design descriptors for CO oxidation on ceria-based catalysts. Monodisperse, single-phase nanoparticles of late first-row transition-metal-substituted ceria (MyCe₁.yO₂-x, M = Mn, Fe, Co, Ni and Cu) are prepared from the controlled pyrolysis of heterobimetallic precursors in amine surfactant solutions. By means of kinetic analyses, X-ray absorption spectroscopy (XAS) and transmission electron microscopy (TEM), the active site for CO oxidation catalysis is identified as atomically-dispersed, square-planar M³+ and M²+ moieties substituted into the surface of the ceria lattice. The introduction of CuO does not contribute to the catalytic activity of CuyCe₁.yO₂-x, lending support to the hypothesis that the substituted ceria itself is responsible for the catalytic rate enhancement in mixed-phased catalysts like CuO/CeO₂ Under oxygen-rich conditions, the kinetic parameters for CO oxidation are consistent with lattice oxygen from the dispersed copper sites contributing directly to the oxidation of CO in the rate-determining step. In-situ X-ray photoelectron spectroscopy (XPS) and FTIR studies indicate that adsorbed CO can be directly oxidized to CO₂ in the absence of gaseous O₂, while in-situ XAS confirms that electron transfer is localized to the copper sites. XAS studies demonstrate that the reversible reducibility of dispersed copper ions is a contributing factor for the special catalytic activity of CuO/CeO₂ catalysts. The oxygen-ion vacancy formation energy is introduced as an activity descriptor to rationalize trends in the catalytic activities measured for MyCe₁-yO₂-x nanoparticles that span over three orders of magnitude. As such, the DFT-calculated vacancy formation energy serves to guide in the rational design of catalysts through computational, rather than experimental, screening of candidate compounds for CO oxidation catalysis.
by Joseph Spanjaard Elias.
Ph. D. in Inorganic Chemistry
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Casale, Gimena, and Sara Longhi. "Producción de barras de cereal sin T.A.C.C." Bachelor's thesis, Universidad Nacional de Cuyo. Facultad de Ciencias Aplicadas a la Industria, 2017. http://bdigital.uncu.edu.ar/8859.
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El presente trabajo contiene el análisis y la evaluación técnico económico de la fabricación de barras de cereales sin TACC a nivel industrial. El estudio realizado alcanza el nivel de prefactibilidad. Su demanda marca una tendencia creciente en el mercado nacional e internacional, debido a que integran el grupo de productos saludables. Con respecto al mercado proveedor existe una gran variabilidad lo cual se pueden conseguir precios razonables y de esa manera obtener márgenes de utilidad interesantes. El insumo principal de este producto es la quínoa, la cual se puede encontrar en el noroeste del país. Las frutas deshidratadas y secas se pueden encontrar en la región. La distribución del producto terminado se llevará a cabo a través de mayoristas, quienes se encargarán de finalizar el eslabón para llegar al consumidor final.
Para la elección de la macro localización se realizó un análisis de las diferentes regiones que se encuentran en la Argentina teniendo en cuenta distintos factores. Se obtuvo que las regiones óptimas son la Cuyana y la Pampeana.This document contains the analysis and the economic –technical evaluation of the manufacture of cereal bars without TACC at an industrial level.Their demand marks an increasing trend in the national and international market.Aboutsuppliersthereis a largenumber of themthat can achievelowprices. The main input of theproductisthe quinoa, which can be found in the northwest of the country. Dehydrated and dry fruits can be found in our region. The distribution of the finished product will be carried out through wholesalers, who will be in charge of finalizing the link to reachthe final consumer. Aboutthelocation of the Factory, there are twopoints of view, macro and micro localization.Regardstomacrolocalizationtheoptimalregions are Cuyana and Pampeana, specifically the province of Mendoza.
Fil: Casale, Gimena. Universidad Nacional de Cuyo. Facultad de Ciencias Aplicadas a la Industria.
Fil: Longhi, Sara. Universidad Nacional de Cuyo. Facultad de Ciencias Aplicadas a la Industria.
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Marlow, Gregory. "Week 11, Video 04: Cereal Simulation 1." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/digital-animation-videos-oer/73.
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Marlow, Gregory. "Week 11, Video 05: Cereal Simulation 2." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/digital-animation-videos-oer/74.
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Lemos, Ana Sofia Simões. "Plano de marketing : Ceres-Cerâmicas Reunidas, SA." Master's thesis, FEUC, 2009. http://hdl.handle.net/10316/12054.
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Ivanova, Daria. "Silica-scavenging effects in ceria-based electrolytes." Master's thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/2295.
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Mestrado em Ciência e Engenharia de MateriaisGadolinium-doped ceria based powders were co-fired with additions of silica, and silica and lanthanum oxide, to test the silicascavenging role of lanthanum. The formation of one ionic conducting secondary phase, instead of an insulating phase, was attempted. The structural, microstructural and electrical characterization of these samples confirmed the formation of one apatite-type lanthanum silicate-based phase and a significant enhancement of the grain boundary conductivity of these materials. ABSTRACT: Pós de céria dopada com gadolínio foram sinterizados com adições de sílica, e de sílica e óxido de lantânio, para testar o efeito de remoção de sílica do óxido de lantânio. Com esta abordagem explorou-se a formação de uma fase secundária condutora iónica em vez de uma fase isoladora. A caracterização estrutural, microestrutural e eléctrica das amostras confirmou a formação de uma fase tipo apatite derivada do silicato de lantânio e uma melhoria significativa da condutividade da fronteira de grão destes materiais.
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Allison, Marc Francis. "The decomposition of cereal straw in soil." Thesis, University of Aberdeen, 1987. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU010490.
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A series of laboratory and field investigations were performed to investigate the effect of cereal straw incorporation on microbially mediated processes in a range of soils from North Eastern Scotland. The incorporation of cereal straw residues, at two field sites, caused the microbial biomass to increase in magnitude. Similar results were found in laboratory studies. Repeated incorporation of cereal straw caused an increase in the fungal component of the microbial biomass. This resulted in an altered pattern of decompositon for subsequently added carbonaceous substrates. The productuion and accumualtion of acetic acid in aerobic soil systems was monitored in laboratory incubations. It was proposed that the accumulation of acetic acid was found to be controlled by redox potentials at the sites of microbiological activity. Straw was not observed to increase acetic acid production. Fertiliser nitrogen had both a stimulatory effect on acetic acid production (by stimulating decomposition, and oxygen consumption), and an inhibitory effect (added nitrate buffering a fall in redox potential). Gaseous nitrogen loss via denitrification and ammonia volatilisation was monitored at two field sites. These nitrogen losses were found to be low. Straw incorporation did not increase the magnitude of these losses and under certain circumstances, reduced it.
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Kawase, Shinichiro. "Studies on Antioxidative Activity of Cereal Prolamins." Kyoto University, 2000. http://hdl.handle.net/2433/181065.
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Kyoto University (京都大学)0048
新制・課程博士
博士(農学)
甲第8445号
農博第1129号
新制||農||802(附属図書館)
学位論文||H12||N3402(農学部図書室)
UT51-2000-F349
京都大学大学院農学研究科食品工学専攻
(主査)教授 森 友彦, 教授 松野 隆一, 教授 内海 成
学位規則第4条第1項該当