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Auswahl der wissenschaftlichen Literatur zum Thema „Diverse System“
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Dissertationen zum Thema "Diverse System"
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Alam, Kazi Masudul. "Towards Diverse Media Augmented E-Book Reader Platform." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/22884.
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In order to leverage the use of various modalities such as audio-visual-touch in instilling learning behaviour, we present an intuitive approach of annotation based hapto-audio-visual interaction with the traditional digital learning materials such as eBooks. By integrating the traditional home entertainment system and respective media in the user's reading experience combined with haptic interfaces, we examine whether such augmentation of modalities influence the user's reading experience in terms of attention, entertainment and retention. The proposed Haptic E-Book (HE-Book) system leverages the haptic jacket, haptic arm band as well as haptic sofa interfaces to receive haptic emotive signals wirelessly in the form of patterned vibrations of the actuators and expresses the learning material by incorporating audio-video based augmentation in order to pave ways for intimate reading experience in the popular eBook platform. We have designed and developed desktop, mobile/tablet based HE-Book system as well as a semi-automated annotation authoring tool. Our system also supports multimedia based diverse quiz augmentations, which can help in learning tracking. We have conducted quantitative and qualitative tests using the developed prototype systems. We have adopted the indirect objective based performance analysis methodology, which is commonly used for multimedia based learning investigation. The user study shows that, there is a positive tendency of accepting multimodal interactions including haptics with traditional eBook reading experience. Though our limited number of laboratory tests reveal, that haptics can be an influencing media in eBook reading experience, but it requires large scale real life tests to provide a concluding remarks.
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Horne, J. M. "The impact of diverse generation mix on power system stability." Thesis, Queen's University Belfast, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.557629.
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Environmental drivers are the dominant reason for the current trend towards combined cycle gas turbine and wind turbine plant for new power stations. The result is a net shift in the plant mix away from traditional thermal stations. As the percentage of 'new' generation types increases, the effect on the dynamic performance of the power system needs to be investigated and quantified, and mitigating measures taken where necessary. This thesis, part funded by SONI Ltd (the system operator in Northern Ireland), has taken the two area Irish power system as a basis for this research. The focus is on the cumulative effects of increasing generation from combined cycle gas turbine and wind turbine plant on frequency and small signal stability. The research conducted has concluded that the introduction of large volumes of gas turbine plant does affect the system dynamics, but by far the greatest change for system operators will be the introduction of significant coverage of demand from wind powered generation. The reason is due to the introduction of widespread solid-state converter technology utilised in full converter and doubly fed induction generator wind turbines. In contrast, the gas turbine effects on a system relate to different dynamics of directly connected synchronous machines, which are well understood, and although they need to be considered, pose less of a technical challenge to manage. In addition to establishing an understanding of the major issues impacting on power systems of the future, this thesis has developed novel methods for power system stabiliser performance verification, and provision of high frequency response from wind turbine plant. These are required to cope with the rapid variation in plant mix and corresponding impact on system stability of networks into the future. Both methods are now in use with National Grid, the Great Britain transmission system operator.
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Zhang, Zhaoyuan M. Eng Massachusetts Institute of Technology. "A new authoring system for diverse data visualization at scale." Thesis, Massachusetts Institute of Technology, 2021. https://hdl.handle.net/1721.1/130710.
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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, February, 2021<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references (page 37).<br>Kyrix is a platform used to create a wide range of data visualizations with large amounts of data. In the current system, several hundred lines of JavaScript are required to create a visualization in Kyrix. In order to greatly reduce this barrier of entry and provide a more intuitive user experience, we have created a new authoring system which features a graphical user interface. This authoring system supports all components of Kyrix, with the user interface centering around the five main components: canvases, layers, transforms, views, and jumps. Kyrix authors can add new components, edit existing components, and fully customize a component's parameters. It also provides a hierarchical overview of all the components in the current visualization, as well as a rendered view of the visualization. While the design of this authoring system is fairly simple, it includes key design choices that greatly enhance the experience of writing a Kyrix application, and is unique in its ability to support a system that produces such diverse visualizations.<br>by Zhaoyuan Zhang.<br>M. Eng.<br>M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
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Ben, Hamouda-Guichoux Fabrice. "Diverse modules and zero-knowledge." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEE022/document.
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Les smooth (ou universal) projective hash functions ont été introduites par Cramer et Shoup, à Eurocrypt'02, comme un outil pour construire des schémas de chiffrement efficaces et sûrs contre les attaques à chiffrés choisis. Depuis, elles ont trouvé de nombreuses applications, notamment pour la construction de schémas d'authentification par mot de passe, d'oblivious transfer, de signatures en blanc, et de preuves à divulgation nulle de connaissance. Elles peuvent êtres vues comme des preuves implicites d'appartenance à certains langages. Un problème important est de caractériser pour quels langages de telles fonctions existent.Dans cette thèse, nous avançons dans la résolution de ce problème en proposant la notion de diverse modules. Un diverse module est une représentation d'un langage, comme un sous-module d'un module plus grand, un module étant un espace vectoriel sur un anneau. À n'importe quel diverse module est associée une smooth projective hash function pour le même langage. Par ailleurs, presque toutes les smooth projective hash functions actuelles sont construites de cette manière.Mais les diverse modules sont aussi intéressants en eux-mêmes. Grâce à leur structure algébrique, nous montrons qu'ils peuvent facilement être combinés pour permettre de nouvelles applications, comme les preuves implicites à divulgation nulle de connaissance (une alternative légère aux preuves non-interactives à divulgation nulle de connaissance), ainsi que des preuves non-interactives à divulgation nulle de connaissance et one-time simulation-sound très efficaces pour les langages linéaires sur les groupes cycliques<br>Smooth (or universal) projective hash functions were first introduced by Cramer and Shoup, at Eurocrypt'02, as a tool to construct efficient encryption schemes, indistinguishable under chosen-ciphertext attacks. Since then, they have found many other applications, including password-authenticated key exchange, oblivious transfer, blind signatures, and zero-knowledge arguments. They can be seen as implicit proofs of membership for certain languages. An important question is to characterize which languages they can handle.In this thesis, we make a step forward towards this goal, by introducing diverse modules. A diverse module is a representation of a language, as a submodule of a larger module, where a module is essentially a vector space over a ring. Any diverse module directly yields a smooth projective hash function for the corresponding language, and almost all the known smooth projective hash functions are constructed this way.Diverse modules are also valuable in their own right. Thanks to their algebraic structural properties, we show that they can be easily combined to provide new applications related to zero-knowledge notions, such as implicit zero-knowledge arguments (a lightweight alternative to non-interactive zero-knowledge arguments), and very efficient one-time simulation-sound (quasi-adaptive) non-interactive zero-knowledge arguments for linear languages over cyclic groups
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Lawrie, Anthony Thomas. "The effect of diverse development goals on computer-based system dependability." Thesis, University of Newcastle Upon Tyne, 2006. http://hdl.handle.net/10443/1992.
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Society's increasing dependence upon software control and information process- ing provision has demanded comparable increases in software dependability. While the existing software dependability approach has resulted in significant improve- ments, its focus is heavily aimed towards achieving software dependability via redundant fault-tolerant mechanisms built into the software artifact to provide error-control in the presence of activated faults. Less emphasis appears to have been placed upon how software dependability can also be promoted through a fault-avoidance approach in the software creation process by incorporating hu- man redundancy and diversity. In this thesis, a process intervention which can potentially improve fault-avoidance is considered. This involves the setting of diverse development goals within important generic computer-based system con- texts in order to increase detection of potentially harmful assumptions which can result in subtle systemic conflicts that can undermine the dependability of the re- sultant artifact during the early development phases of requirements, specification and design. A search theoretic simulation model is progressed and developed to capture some of the important dynamics involved. The eventual outputs of the simulation model indicate that increased fault coverage and sensitivity can be ob- tained through the setting of diverse development goals during the early phases of software development.
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Djordjevic, Nikola. "Efficiency of the Hydronic System used for the Space-Heating of Passive Envelopes." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19402.
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The aim of this thesis is to determine the efficiency of the hydronic heating system implemented in building with passive envelopes. Thermal losses and energy consumption of the pump are relative values for determining the efficiency.The first step towards this aim is to provide theoretical background for better understanding of the hydronic system. The advantages of this system are also presented.Good knowledge of hydronic systems, first of all, modes of transport of the work fluid and heat distribution into the space, makes a good basis for the next step- designing the system.Once the system is designed, it is possible to create mathematical model. This model together with the input values given enables creation and a running of a simulation program.In the end the results from the simulation are obtained for a typical Norwegian house which satisfies recommendation for the passive house concept.The analyses of our results shows, in spite of the heat losses from the pipes and pump energy consumption, it is feasible to fulfill the prescribed limitations regarding the Passive house energy consumption. Unfortunately, the heat losses values are not negligible and it will eventually disturb thermal comfort.The method derived in this report as well as the simulation program presented can serve as a starting point for future investigation of an assortment of hydronic systems variations. One of the logical choices is certainly a system with insulated pipes. Such system could provide the key advantage of hydronic systems compared to other heating systems. In that way they could present themselves as the best heating solution for future buildings with passive envelopes.
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Patel, Asha K. "Chemically diverse polyacrylate and polyacrylamide surfaces for human cardiomyocyte culture and their effect on phenotype." Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/39144/.
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Human pluripotent stem cell (hPSC) derived cardiomyocytes can provide robust in vitro models for pharmaceutical drug screening and modelling cardiac disease. To fully realise these potentials, hPSC-cardiomyocytes must be reproducibly cultured to a more mature state than has thus far been achieved. Defined and well controlled culture conditions underpin the ability to derive hPSC-cardiomyocytes of consistent quality. These include cell source, culture medium and substrate. This thesis is concerned with the latter; culture substrates are currently biological in nature creating inherent variability in culture conditions. There is limited knowledge on the interaction between cardiomyocytes and synthetic, non-biological substrates making rational design of materials impractical. To aid discovery of novel culture substrates, 115 polyacrylate and polyacrylamide substrates were microarrayed and investigated using a parallel screening approach. The use of polyacrylates and polyacrylamides as biomaterials has been demonstrated previously, including contact lenses, bone cements and hydrogels to support cells. The diverse chemistry exhibited across the range of polymers enables modelling of structure-activity relationships between substrate chemistry and cardiomyocyte behaviour. Cardiomyocytes derived from human embryonic stem cells (hESC) were cultured on the microarrays in the presence and absence of serum. Attachment density (nuclei count via DAPI staining) and cardiomyocyte spread (surface area using sarcomeric α-actinin immunostaining) on each substrate was acquired by automated fluorescence microscopy and image analysis software. From this primary screen, 70 % of polymers were found to support cardiomyocytes adhesion in serum conditioned arrays, BM34 (fufuryl methacrylate) supported the highest relative cell density (0.59 ±0.28) and also the largest cell size (1364 ±937 µm2), which was comparable to gelatin control. In serum free conditions, only 10 % of polymers supported cardiomyocyte attachment. The highest relative cell density was on AM38 (Dimethylamino-propyl acrylate) and largest cell size on BM49 (Tert-butylamino-ethyl methacrylate), 274 ±75 µm2, which was significantly lower than cell density and cell area (2019 ±596 µm2) on gelatin control. To investigate if synergy exists between polymers that enable adhesion in serum free conditions and those that support larger cell areas in serum conditioned arrays, 24 polymers were mixed pair-wise to form second generation microarrays comprising of 576 co-polymers. This diverse library enabled unique combinations of chemical moieties to be explored and co-polymers were found to have a greater proportion (74 %) that supported cardiomyocyte attachment in serum free conditions, largest average cell size was now 1089 ±260 µm2 on BM80/AM64 (Methacryloyloxy)ethyl acetoacetate/ Hexadecafluoro-9-(trifluoromethyl)decyl acrylate). Five co-polymers were chosen to perform more detailed characterisation of cardiomyocytes cultured on them for 5 and 25 days. Electrophysiological profiling and quantification of myofibril organisation identified co-polymers AD17/BM54 (Hexanediol ethoxylate diacrylate/ Ethoxyethyl methacrylate) and BM80/AD17 to be comparable to control gelatin. Partial least squares multivariate regression analysis correlated chemical species from the polymeric substrate, identified using time of flight secondary ion mass spectrometry, with cardiomyocyte response and identified moieties beneficial or detrimental for cardiomyocyte adhesion and cell area. This may aid rational design of tailor-made non-biological substrates for cell culture. In summary, the parallel screening of co-polymers of acrylates and acrylamides has been the first step in a discovery process of lead materials capable of progressing the culture of cardiomyocytes in more reproducible, economical and defined conditions. Only five substrates were analysed in detail, leaving a large library of co-polymers worthy of further investigation, including the physical properties of the polymers that need to be considered for practical use of the polymers in culture.
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Solis, Beatriz Maria. "Medi-Cal managed care enrollees diverse experiences and perceptions about the health care system /." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1464129111&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.
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9
Suetsugu, Kenji. "Diverse interactions of heterotrophic plants with their hosts, pollinators and seed dispersers." Kyoto University, 2014. http://hdl.handle.net/2433/192205.
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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第18605号<br>人博第701号<br>新制||人||167(附属図書館)<br>26||人博||701(吉田南総合図書館)<br>31505<br>京都大学大学院人間・環境学研究科相関環境学専攻<br>(主査)教授 加藤 眞, 教授 市岡 孝朗, 教授 瀬戸口 浩彰, 教授 宮本 嘉久, 教授 新宮 一成<br>学位規則第4条第1項該当
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Niesner, Bradley (Bradley Joseph). "Using the Cre-loxP system to randomize target gene expression states and generate diverse phenotypes." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81684.
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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2013.<br>Title as it appears in MIT Commencement Exercises program, June 2013: Generation of phenotypic diversity in yeast using promoter inversion through Cre-lox recombination. Page 84 blank. Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Modifying the expression of multiple genes enables both deeper understanding of their function and the engineering of complex multigenic cellular phenotypes. However, deletion or overexpression of multiple genes is typically laborious and involves multiple sequential genetic modifications. Here we describe a strategy to randomize the expression state of multiple genes in S. cerevisiae using Cre-loxP recombination. By inserting promoters flanked by inverted loxP sites in front of a gene of interest we can randomly alter its expression by turning it OFF or ON, or between 4 distinct expression states. We show at least 6 genes can be randomized independently and argue that using orthogonal loxP sites and an additional recombinase should increase this number to at least 30. Finally, we show how combining this strategy with mating allows easy introduction of native regulation as an additional expression state and use this to probe the role of 4 different enzymes involved in base excision repair in tolerance to methyl methane sulfonate (MMS), a genotoxic DNA alkylating agent. The set of vectors developed here can be used to randomize the expression of both heterologous genes and endogenous genes, and could immediately prove useful for metabolic engineering in yeast. Because Cre-loxP recombination works in many organisms, this strategy should be readily extendable.<br>by Bradley Niesner.<br>Ph.D.