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Dissertations / Theses on the topic 'B741'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Hussain, Nazir. "Perceptions and experiences of distress among older Pakistanis in Bradford." Thesis, University of Central Lancashire, 2005. http://clok.uclan.ac.uk/20516/.

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This study focuses on Punjabi immigrants in Bradford who immigrated in the 1960s to meet a labour shortage. While this group had initially been almost entirely men who had planned on earning money and then returning to Pakistan relatively wealthy, changes in laws in the 1970s compelled them to bring their entire families to Britain. Changes in the local economy, and younger generations putting down roots in Bradford has left this group impoverished and unable to return to Pakistan, but many have been unable or unwilling to acculturate to British society. The life expectations these Punjabi imm

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2

Bosc, Nathalie. "Écrans bases sur la diffusion de lumière par des cristaux liquides électriquement contrôlables." Master's thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/19472.

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3

Rabl, Thomas. "Spontaneous Raman spectroscopy : exploring applicability in drug discovery and the medical sciences." Thesis, University of Dundee, 2018. https://discovery.dundee.ac.uk/en/studentTheses/dc910052-a06c-4cd2-b741-0feb254c6b9b.

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This thesis reports the investigation of spontaneous Raman Spectroscopy (RS) for its applicability in early drug discovery. A key focus has been to develop an understanding of the applicability of RS for the quantification and localisation of compound concentration inside mammalian cells. Further investigation into the use of Surface Enhanced Raman Spectroscopy (SERS) for research on Visceral Leishmaniasis (VL) and Leishmania donovani as well as investigating applicability for cancer research are decisive parts of this work. The key work described in this thesis is the investigation of whole c

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4

Tzouvara, Vasiliki. "Self-stigma, loneliness and culture among older adults with mental illness residing in nursing homes." Thesis, University of Bedfordshire, 2015. http://hdl.handle.net/10547/601099.

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This study aimed to investigate the inter-relationships between self-stigma, loneliness, and culture among older adults with mental illness residing in nursing homes. This study also explored how this population experiences self-stigma and loneliness within the context of their cultural backgrounds. A mixed-methods approach was utilised. The first phase involved a quantitative face-to-face questionnaire survey (n=16). More than half of the study participants reported low levels of self-stigma (56.3%), yet a substantial number of them scored high on the self-stigma scale (43.8%). The analysis i

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5

Pieri, Maria. "Regulation of vascular smooth muscle actin cytoskeleton by Hic-5." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/regulation-of-vascular-smooth-muscle-actin-cytoskeleton-by-hic5(3309e74d-0a10-4d04-b741-a99f64075620).html.

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Vascular smooth muscle cells (VSMC) constitute an important component of blood vessels and are primarily responsible for vessel contraction. In vascular disorders such as hypertension and atherosclerosis as well as pregnancy and exercise, VSMC demonstrate increased capacity to proliferate and migrate, resulting in vascular remodelling. The actin cytoskeleton is an important component of vascular contractility and is also essential for proliferation and migration of VSMC. Vasoactive agonists such as Endothelin-1 (ET-1) and Noradrenaline (NA), have been shown to mediate VSMC contraction through

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6

Khomejani, Shabnam. "Performance enhancement of cognitive radio networks via multi-power level transmission." Thesis, King's College London (University of London), 2017. https://kclpure.kcl.ac.uk/portal/en/theses/performance-enhancement-of-cognitive-radio-networks-via-multipower-level-transmission(0f0a8ae7-cdab-48ba-b741-e5bd720effa8).html.

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The ubiquitous trend to the “next generation communication” is a symbol of the communication arena’s need for independence, efficiency and flexibility. Cognitive radio was introduced in the late 1990s as a concept to improve efficiency of spectrum use. Cognitive users would sense spectral holes and exploit unused spectrum. The original strategy suggested that spectrum being employed by licensed cognitive users should be strictly avoided in order to ensure no interference to the licensed users. However, this strict “white space” approach is also inherently spectrally inefficient. This Ph.D. the

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7

Nastálek, Ondřej. "Požadavky pro zavedení letounu Boeing B747-800 na letišti Praha-Ruzyně." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228638.

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The content of my master’s thesis is to point out operational requirements of aircraft Boeing B747-8 on Praha-Ruzyne airport. It determines unsuitable requirements of this aircraft on the airport and suggests suitable equipment for their removing. My thesis includes elaboration of the contemporary state of the airport requirements of the aircraft toward the airport and deals with evaluation of unsuitable airport parametres.

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8

Hugill, Kevin. "The experiences and emotion work of fathers in a neonatal unit." Thesis, University of Central Lancashire, 2009. http://clok.uclan.ac.uk/21891/.

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The experiences of fathers in a neonatal unit are poorly understood. The research upon which this thesis is based sought to address some of the gaps in the existing neonatal nursing understanding of fathers' experiences. In this thesis, I adopt a critical-subtle realist viewpoint using an auto/biographical ethnographic research perspective utilising mixed-methods of data collection. I apply ideas about emotion management and specifically Hochschild's concept of 4 emotion work' to inform my analysis. Thematic analysis of the data - fieldnotes, interview transcripts and completed questionnaires

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9

Joyce, Maria. "Towards an understanding of career progression for female professors of nursing : a small scale study." Thesis, University of Lincoln, 2012. http://eprints.lincoln.ac.uk/16993/.

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The aim of this study was to generate knowledge of career progression for women professors of nursing, an under researched topic, in order to understand how their professional and personal experiences may have influenced their aspirations and opportunities for career success. This qualitative study gave voice to a small group of women professors of nursing through individual narrative semi-structured interviews, a relatively under-used methodology. The findings are anticipated to have currency in providing new perspectives on women professors of nursing and are presented as professional influe

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10

Jhang, Jie. "Construction and evaluation retroviral vectors encoding Human B7.1 and Interleukin-2 for cancer gene therapy." Thesis, King's College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269768.

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11

Breitschmid, Markus. "Architecture as a creative will in the a-tectonic aesthetic order : (an architecture-theoretical inquiry according to Friedrich Nietzsche's concept of order) /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06302009-040455/.

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12

Brennan, William. "Structural change in the U.S. freight railroad industry as a result of the Staggers Rail Act of 1980." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-07112009-040554/.

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13

Brickey, Debra A. "A study of the regulation of glycogen metabolism in Dictyostelium discoideum." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53916.

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This work discusses the regulation of glycogen metabolism in Dictyostelium discoideum during its developmental cycle. Specifically, the possible cAMP dependent regulation of glycogen phosphorylase and glycogen synthase was examined. In other systems, cAMP can regulate at the level of the gene (procaryotes, CAP protein) or at the level of covalent, reversible modification of the enzyme activity (eucaryotes, cAMP-dependent protein kinase-cAMPdPK). In Dictyostelium, glycogen phosphorylase and glycogen synthase have each been found to occur in two forms; one regulated allosterically and the other

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14

Kshetri, Dan Bahadur Baidwar. "Knee pain and knee pain related disability in adults of the Western Development Region of Nepal." Thesis, University of Central Lancashire, 2017. http://clok.uclan.ac.uk/20746/.

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Background Knee pain and related disability are important public health problems worldwide. In a systematic review, the prevalence of knee pain varied between 2.4% to 49.2% worldwide and disabilities were greater in those with knee pain compared to those without. The prevalence of knee pain may be higher in mountainous regions. The research student is from Nepal. He has a clinical interest in musculoskeletal disorders and had found at the time of the thesis that there had been no study undertaken across Nepal. Such a study would inform Nepalese health policy. Objectives To estimate the prevale

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15

Brevart, Bertrand J. "Active control of coupled wave propagation in fluid-filled elastic cylindrical shells." Diss., Virginia Tech, 1994. http://hdl.handle.net/10919/39559.

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The vibrational energy propagating in straight fluid-filled elastic pipes is carried by the structure as well as by the internal fluid. Part of the energy in the system may also transfer from one medium to the other as propagation occurs. For various types of harmonic disturbance, this study demonstrates that, whether the propagating energy is predominantly conveyed in the shell or in the fluid, large attenuations of the total power flow may be achieved by using an active control approach. As the shell and fluid motions are fully coupled, the implementation of intrusive sources/sensors in th

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Brighton, Bryan Arthur. "Improved pattern growth and reconfiguration methods for a fault- tolerant cellular architecture." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/104325.

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17

Wu, Rita Shiu-fung. "Effects of B7.1, IFN-gamma, and antisense TGF-beta gene transfer on the tumorigenicity of murine 4T1 metastatic mammary carcinoma cells." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/280475.

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Cancer progression is attributed in part to immune evasion strategies that include lack of co-stimulation, down-regulation of cell surface MHC molecules, and secretion of immunosuppressive factors such as transforming growth factor-β (TGF-β). Gene therapy has been employed to counter these mechanisms of immune evasion by transference of B7.1, IFN-γ or antisense TGF-β genes into tumor cells resulting in cell surface expression of B7.1, upregulation of MHC class I and class II molecules, or elimination tumor-derived TGF-β, respectively. Although each of these transgenes has been shown to alter t

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18

Brenton, Carolyn E. "Effect of storage temperatures on the microbiological quality, safety, and viability of quahog clams, Mercenaria mercenaria." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-06112009-063149/.

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19

Bricker, Michael C. "An environmental research laboratory for Back Bay National Wildlife Refuge." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/53058.

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As scientific understanding of the origin and order of coastal barrier islands continues to grow, designers are being forced to reevaluate their design strategies for the shore and near-shore areas. This project involves the design of an Environmental Research Laboratory on Back Bay, in the Back Bay National Wildlife Refuge. The problems and possibilities associated with building on the barrier islands have been analyzed. and design solutions applicable to this and other sites have been presented. In the final design, the structure has been located in the bay, shoreward of the barrier islands

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20

Bredderman, Mary Theresa. "Design recommedations for the cash wrap area within the retail setting based on user perceptions." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-11182008-063441/.

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21

Corbett-Clark, Timothy Alexander. "Explanation from neural networks." Thesis, University of Oxford, 1998. http://ora.ox.ac.uk/objects/uuid:b94d702a-1243-4702-b751-68784c855ab2.

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Neural networks have frequently been found to give accurate solutions to hard classification problems. However neural networks do not make explained classifications because the class boundaries are implicitly defined by the network weights, and these weights do not lend themselves to simple analysis. Explanation is desirable because it gives problem insight both to the designer and to the user of the classifier. Many methods have been suggested for explaining the classification given by a neural network, but they all suffer from one or more of the following disadvantages: a lack of equivalence

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22

O'Sullivan, Melanie Claire. "Template directed synthesis of porphyrin nanorings." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:c500c594-fa28-4857-b74e-b80d14b87202.

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This thesis describes supramolecular approaches to porphyrin nanorings. Cyclic porphyrin arrays resemble natural light harvesting systems, and it is of interest to probe the photophysical effects of bending the porphyrin aromatic π-system. A general overview of the synthesis and photophysical properties of porphyrins and their arrays is carried out in Chapter 1. The electronic structure of porphyrins is examined, and how conformational effects in oligomers, such as inter-porphyrin torsional angle and backbone bending influence the π-conjugation pathway. The structures of light harvesting compl

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23

Khan, Gulfishan. "Indian Muslim perceptions of the West during the eighteenth century." Thesis, University of Oxford, 1993. http://ora.ox.ac.uk/objects/uuid:dacf23d8-28f4-40da-b781-4e7cb940828b.

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The present thesis, entitled "Indian Muslim Perceptions of the West during the Eighteenth century", deals with Muslim images of the West at the turn of the eighteenth century as they were formulated in the minds of Indian Muslim intellectuals. It examines the modalities of experience and categories of knowledge of the West as they were perceived by Muslim scholars who had come into contact with the contemporary West. The main purpose of the present enquiry is to analyze the origins and the nature of such perceptions as were articulated in their writings. With the expansion of British politica

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24

Clarke, Simon R. "State paternalism and the neutrality-perfectionism debate." Thesis, University of Oxford, 2001. http://ora.ox.ac.uk/objects/uuid:c4511622-3874-40c1-b7b1-a224a6546c53.

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The purpose of this thesis is to compare the paternalistic implications of two opposing political theories: neutrality and perfectionism. Neutrality holds that the state must not appeal to conceptions of the good as the justification for its decisions. Perfectionism rejects this constraint. Applied to paternalism, perfectionism makes it permissible for the state to appeal to a conception of the good when it acts paternalistically, that is, interferes with a person for his own good. Neutrality requires that paternalism must instead be guided by considerations that are in some sense neutral betw

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25

Denney, Lisa. "Thin security? : the challenge of engaging informal security actors in DFID's security sector reform programme in Sierra Leone." Thesis, Aberystwyth University, 2013. http://hdl.handle.net/2160/2a246333-453e-4ee3-b714-7a53c3e9eeb7.

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The United Kingdom's Department for International Development (DFID) has undertaken a highly innovative development strategy in Sierra Leone, reforming the security sector of the post-conflict state in order to ensure a stable environment in which investment and development can occur. Yet in doing so, DFID has not engaged with the actual locus of security provision in Sierra Leone and the effectiveness of reforms thus remains limited. This thesis seeks to understand why DFID has been unable to engage with informal security actors in its security sector reform (SSR) programme in Sierra Leone. I

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26

Thomas, Keri Louise. "The Hengwrt Chaucer : cultural capital in the digital domain." Thesis, Aberystwyth University, 2015. http://hdl.handle.net/2160/d2b4d855-ae66-4aed-b74c-7e4b2f5f704b.

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Control is at the heart of issues surrounding the use of a digital artefact. In one sense, digitisation democratises knowledge; it makes that knowledge freely available to a large audience irrespective of who the audience member is, their education or place in the social hierarchy. In spite of this perceived egalitarianism, there are still limits in place; the material contained within those digital artefacts is still, for the large part, unintelligible to the layman, and the information imparted still chosen by an elite. This thesis attempts to explore several different concepts: the idea of

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27

Burton, Lindsay Julia. "Community-based early learning in Solomon Islands : cultural and contextual dilemmas influencing program sustainability." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:b9c96049-ea5d-47e3-b74c-951cd22bb090.

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The Solomon Islands (SI), a small developing nation in the South Pacific, demonstrates an emergent community-based kindergarten model with the potential to promote context and culture relevant early learning and development. SI early childhood education (ECE) particularly rose in prominence with a 2008 national policy enactment requiring all children to attend three years of kindergarten as prerequisite for primary school entry. However, these ECE programs remain severely challenged by faltering community support. Internationally, many ECE programs dramatically resemble a universalized Western

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28

Roque, Paula Cristina. "The rebel governance of the SPLM/A and UNITA : a comparative study on parallel states in Angola and South Sudan." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:fd5a65aa-2dcf-4699-b714-15f4d0e11dbb.

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This is a study of rebel political orders and the degree of governance rebels can install in their liberated areas. It studies the ways in which force came to be transformed into authority under the rule of two military organisations fighting asymmetrical wars in highly divided societies. Wartime rebel states are by nature an exercise in control and power, in projecting authority and symbolism, in managing contradictions and shortcomings, but are also deeply revealing of the characteristics of rebel movements, their motivations, survival strategies and organisational capacity. This thesis on t

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Read, Anna. "Parent-Professional Partnerships in the Autistic Spectrum Disorders (ASD) monitoring and support process : how do parents and professionals perceive the working relationships that they form within the context of a service providing monitoring and support for children with ASD and their families?" Thesis, University of Bristol, 2009. http://hdl.handle.net/1983/9834abef-e6ad-4238-b771-1531c4798e88.

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30

Suryaningtyas, Heru. "Studies on imazapyr for weed control in rubber seedling root stock nurseries." Thesis, University of Bristol, 1995. http://hdl.handle.net/1983/bac999f6-7963-4679-b714-3571ede8148e.

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31

Muir, Watt Alexis. "Inference for partial orders from random linear extensions." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:c4bfa987-d5e0-4f11-b714-4a137e0464b4.

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The study of random orders and of rankings models has attracted much work in the combinatorics and statistics literature. However, there has been little focus on random partial order models for statistical modelling. A partial order on a set P corresponds to a transitively closed, directed acyclic graph h(P) with vertices in P. Such orders generalize orders defined by partitioning the elements of P and ranking the elements of the partition. Observed orders are modelled as random linear extensions of suborders of an unobserved partial order h(P) evolving according to a stochastic process, and i

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Jiang, Junnan. "Micro- and macro-mechanical testing of grain boundary sliding in a Sn-Bi alloy." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:df0fc17f-850b-44dc-b743-92573b82542b.

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This project explores the fundamental mechanisms of grain boundary sliding (GBS) with an emphasis on its role in superplasticity, using both micro- and macro-mechanical testing methods. GBS plays an important role in the deformation of polycrystalline materials, especially at high homologous temperatures (above half of the melting point). Classical models for GBS (Rachinger sliding and Lifshitz sliding) assume that all grains and grain boundaries undergo the same process, but recent research has shown this is not true. Individual grain boundaries differ in their ability to participate in slidi

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Dennig, Francis. "On the welfare economics of climate change." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:aefca5e4-147e-428b-b7a1-176b7daa0f85.

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The three constituent chapters of this thesis tackle independent, self-contained research questions, all concerning welfare economics in general and its application to climate change policy in particular. Climate change is a policy problem for which the costs and benefits are distributed unequally across space and time, as well as one involving a high degree of uncertainty. Therefore, cost-benefit analysis of climate policy ought to be based on a welfare function that is sufficiently sophisticated to incorporate the three dimensions of aggregation: time, risk and space. Chapter 1 is an axiomat

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Zhou, Yangjun. "A millimeter unilateral finline SIS mixer with a wide IF bandwidth." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:e9287143-b225-4b37-b7f1-e58340a20668.

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Superconductor-Insulator-Superconductor (SIS) tunnel junction mixers are now commonly used in astronomical receivers at (sub)millimeter wavelengths because of their superb sensitivity, high dynamic range and stability of operation. Niobium SIS mixers operating at frequencies well below the super- conducting gap (∼680 GHz) have already achieved quantum limited sensitivity. Therefore to further enhance the receiver sensitivity, increasing the Intermediate Frequency (IF) bandwidth of SIS mixers has became crucial. This thesis focuses on the theoretical modeling, design and experimental verifi- ca

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Rabelo, Maria Cristiane. "Aproveitamento do pedÃnculo do caju para sÃntese de oligossacarÃdeos prebiÃticos." Universidade Federal do CearÃ, 2008. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=1476.

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CoordenaÃÃo de AperfeiÃoamento de NÃvel Superior<br>O Leuconostoc mesenteroides B742 produz a enzima dextrana-sacarase em meio sintÃtico contendo sacarose (fonte de carbono), fonte de nitrogÃnio e sais. Esta enzima catalisa a formaÃÃo de dextrana quando em meio contendo acarose como Ãnico substrato. Entretanto, quando em meio contendo um aceptor (maltose, frutose, glicose ou outro aÃÃcar simples) como substrato predominante e sacarose como segundo substrato, a enzima produz oligossacarÃdeos prÃbiÃticos. Estes carboidratos nÃo sÃo digeridos por humanos e ao chegarem no intestino grosso sÃo meta

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Rabelo, Maria Cristiane. "Aproveitamento do pedúnculo do caju para síntese de oligossacarídeos prebióticos." reponame:Repositório Institucional da UFC, 2008. http://www.repositorio.ufc.br/handle/riufc/17778.

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RABELO, Maria Cristiane. Aproveitamento do pedúnculo do caju para síntese de oligossacarídeos prebióticos. 2008. 102 f. : Dissertação (mestrado) - Universidade Federal do Ceará, Departamento de Tecnologia de Alimentos, Curso de Mestrado em Ciências e Tecnologia de Alimentos, Fortaleza-CE, 2008<br>Submitted by Nádja Goes (nmoraissoares@gmail.com) on 2016-06-17T15:45:41Z No. of bitstreams: 1 2008_dis_mcrabelo.pdf: 720591 bytes, checksum: 97be0059816995ce0d171844b7250e9c (MD5)<br>Approved for entry into archive by Nádja Goes (nmoraissoares@gmail.com) on 2016-06-17T15:45:56Z (GMT) No. of bitstr

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Brennan, Anthony Bartholomew. "Structure/property behavior of inorganic/organic sol-gel derived hybrid materials." Diss., This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-09162005-115036/.

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Brewster, Richard Wyatt. "Systems analysis of an ion-propelled orbital transfer vehicle." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-12302008-063634/.

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Cresswell, Alex. "New methods for nucleophilic fluorination." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:612ea592-2f52-407b-b761-36b02b746e9d.

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This thesis describes investigations into the utility of boron fluorides and tetrafluoroborates as sources of nucleophilic fluorine. Chapter 1 discusses the history and importance of the field of organofluorine chemistry and outlines some of the principle motivations for the site-selective fluorination of organic molecules. Some of the most commonly useed methods of nucleophilic fluorination are briefly surveyed, with an emphasis on the formation of fluorinated stereogenic centres. Literature precedent for the use of tetrafluoroborates and boron trifluoride as nucleophilic fluorinating agents

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Martin, Thomas William. "Eschatology, history and mission in the social experience of Lucan Christians : a sociological study of the relationship between ideas and social realities in Luke-Acts." Thesis, University of Oxford, 1986. http://ora.ox.ac.uk/objects/uuid:5b810610-b745-4135-8f82-dccbada009d7.

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The subject of this thesis is the relationship between eschatology and history in the Christian community for which Luke-Acts was written. Chapter 1 formulates the problem in terms of Luke's eschatology. It argues that Luke and his community thought of the End as 'near' and that Luke's historical perspective affected his eschatology. Luke-Acts represents a community that held a relevant eschatological hope and was aware of continuing history. This is the interpretive problem this thesis seeks to enlighten. The perspective to be used in approaching this problem is that of sociological analysis.

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Tusk, Samuel E. "Templated self-assembly of the bacterial flagellar motor torque ring in vitro." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:0df0fc2e-2b45-4ba6-b7b1-2e672c306a4d.

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The Bacterial Flagellar Motor is an ion-driven rotary motor employed by many bacteria for motility and surface sensing, and a model system for the self-assembly and regulation of large protein complexes. Early in motor biogenesis a ring of the integral membrane protein FliF templates the cytoplasmic assembly of FliG, which subsequently templates transient incorporation of FliM1:FliN3 subunits. FliG, FliM and FliN collectively comprise the C-ring: site of torque generation and directional switching. Switching is regulated by binding of CheY-P to FliM1:FliN3, propagating a co-operative conformat

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Rosenzweig, Ella. "Exploring the role and the function of Aryl Hydrocarbon Receptor (AhR) and Aryl Hydrocarbon Nuclear Translocator (ARNT) in T cells." Thesis, University of Dundee, 2012. https://discovery.dundee.ac.uk/en/studentTheses/1d8657f4-b7b1-4508-a93f-76f21fa8d605.

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The Aryl Hydrocarbon Receptor (AhR) and the Aryl Hydrocarbon Nuclear Translocator (ARNT) play a role in mediating transcriptional responses to environmental pollutants, including the highly toxic compound 2,3,7,8-tetrachlorodibenzo -p-dioxin (TCDD) but also endogenous physiological ligands. More recent studies have also indicated that the AhR plays a role in the immune system notably in effector Th17 cells where it seems to be critical for the production of the IL-22 cytokine. It is known that AhR ligands such as dioxins can suppress CD8 T cell mediated antiviral immune responses but it is not

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Pfeil, Marc-Philipp. "Biophysical studies on the structure-function relationship of membrane-active peptides." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:02091d0f-f828-4527-b743-3f9791f98d14.

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It is becoming evident that protein conformation and function are sensitive to the local environment. Structural models are often reported, out of technical necessity, in environments only partially related to the native environment of the protein of interest. This is a major challenge for structural biology of membrane proteins, which are predicted to be highly sensitive to their local environment. The structural plasticity of membrane-active alpha helical peptides and proteins is explored in native-like model membranes in this thesis. On the one hand, alpha helical antimicrobial peptides (AM

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De, Silva Giyani Venya. "The malevolent benefactor? : urban youth in Sri Lanka and their experience of the Sri Lankan state." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:48189ea8-02bf-4fc1-b721-56e0c28bc9e2.

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Hill, Rory Anthony Daniel. "Local, loyal and constant? : on the dynamism of 'terroir' in sustainable agriculture." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:392a4f20-7660-4b54-b7b1-c333bb12c922.

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'Terroir' is a concept that is used in France, and increasingly elsewhere, to evoke character and quality in food and drink in relation to the place it comes from. In this thesis, I investigate how terroir has attained its present-day economic value and cultural resonance; how it is subject to multiple forms of articulation across France; and how it is put to use as part of the philosophies and practices of environmentally sustainable modes of production. I use cultural and historical modes of enquiry and I draw upon interviews, participant observation, discourse and archive analysis carried o

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Holgate, Ben. "Porous borders : the amorphous nature of magical realist fiction in Asia and Australasia." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:32abdfeb-baa7-40ee-b721-89b66bc74043.

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This thesis aims to broaden the scope of magical realism by examining contemporary fiction in Asia and Australasia, regions which have been largely neglected in critical discussion of the narrative mode. My research seeks to modify and expand our collective conception of magical realism through key texts that challenge not only how we read the narrative mode, but also our expectations of it. My analysis involves a dual intervention in the fields of postcolonial studies and world literature. I supplement existing scholarship of magical realism with new paradigms of critical thought, such as epi

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Herresthal, Claudia. "Essays on the economics of information and education." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:937ad1fd-b731-4d11-841f-9fabacbdb2ef.

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This thesis consists of three self-contained chapters which study different topics in the economics of information and education. The first chapter studies what families can infer about schools' relative quality from rankings, when schools' performance depends not only on their quality but also on their student intake. I develop a dynamic framework in which each cohort of families has access to the most recent ranking, but can neither observe application choices nor the allocation of past students. I study a steady-state Bayesian-Nash equilibrium, and find that a performance-based ranking is m

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Abboudy, Sayed Abboudy Ibrahim Omran. "DC and AC conduction in n-InP and n-InSb in magnetic fields at very low temperatures." Thesis, Royal Holloway, University of London, 1988. http://repository.royalholloway.ac.uk/items/d7aaa129-be57-4fef-b74a-a58f5c697f5e/1/.

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Measurements of the longitudinal and transverse direct current (d.c.) magnetoresistance of n-type InP samples (carrier density from and the alternating current (a.c.) conductivity of n-type InSb samples (carrier density from have been made at temperatures T down to 0.04 K and in magnetic fields H up to 70 kG. For H=0, the InP samples were nonmetallic. At low temperatures, the conductivity is due to nearest neighbour hopping (NNH) which is followed by variable range hopping (VRH) at lower T as described by the first, and second terms in the expression. In the NNH regime, it is necessary to plot

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Mahadi, Abdul Hanif. "Ceria morphologies as Pd nanoparticles support for heterogeneous catalysis." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:8c0e2576-b6a0-4fa6-b7a1-be59431fc3d8.

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Ceria is well known for its unique properties in fast oxygen mobility and formation of oxygen vacancies which makes ceria an excellent catalyst support for metal nanoparticles. Promotional effect of ceria has been well established in a number of reactions including three-way catalyst and CO oxidation. These unique properties of ceria are dependent on the surface facets it exposes, where they can be enhanced by the exposure of high energy surfaces such as (100) and (110). The work presented in this thesis involves controlling the surface exposed by the ceria support by making them into cube and

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Séguis, Brigita. "The Polish-Russian mixed code in the Polish community in Lithuania." Thesis, University of Oxford, 2014. https://ora.ox.ac.uk/objects/uuid:0439ac1c-5401-448b-b747-07126274b589.

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The aim of this thesis is to investigate the patterns of language alternation in the Polish community in Lithuania, which can be described as an indigenous ethnic group that has been living on the territory of modern-day Lithuania since the fourteenth century (Potašenko 2007). Following two language ideologies, Russification during Soviet times and Lithuanisation post-independence, the Lithuanian Poles developed complex linguistic repertoires, consisting of the regional and standard variety of Polish, Russian and Lithuanian. One of the most significant consequences of the prolonged language c

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