Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 71 for “"Model Complex"”.
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A Framework To Model Complex Systems Via Distributed Simulation: A Case Study Of The Virtual Test Bed Simulation System Using the High Level Architecture
As the size, complexity, and functionality of systems we need to model and simulate con-tinue to increase, benefits such as interoperability and reusability enabled by distributed discrete-event simulation are becoming extremely important in many disciplines, not only military but also many …
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The Indivisible System: Modeling The Metal-Pterin-Dithiolene System In Molybdenum And Tungsten Cofactors
… development of new pterin-dithiolene synthetic modeling systems for Moco. The knowledge gained from the characterization of these compounds is applied to the enzymes, furthering our understanding of the role of the PDT. This work focuses on three projects, each investigating modifications on an …
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Magnetic properties of a diferrous-water complex and ligands for modeling the active site of MMOH
Chapter 1: The Importance of Modeling Diiron Sites in Nature.There are a variety of metalloenzymes that have nearly identical carboxylate-bridged diiron active sites. An example is sMMOH, an enzyme that catalyzes the conversion of methane to methanol. A detailed description of the active site of …
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Object-process networks & object-process diagrams : implementation issues for oil exploration systems
… a system-architecture meta-language, to model complex systems and identify architectures to address those systems. It proposes ways to generate "out-of-the-box" solutions to technical problems, to weight a portfolio of objects as a possible way to achieve system functionality, to examine …
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Modeling helicopter dynamic loads using artificial neural networks
… artificial neural networks (ANNs) are used to model helicopter main rotor dynamic loads as a function of flight variables. The motivation to develop an accurate model of such loads is to reduce maintenance and replacement costs by eliminating excessive conservatism currently associated with …
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Heteroleptic dirhodium (II,II) complexes: synthesis, spectroscopy and applications in hydroformylation and hydroaminomethylation catalytic reactions
… of bis-substituted heteroleptic dirhodium(II,II) complexes containing bridging acetate and chelating bipyridyl ligands is herein described. The protons at the 4- and 4'- positions of the bipyridyl ligands on the model complex 1 were substituted by either the electron withdrawing CF3 (complex 2) or …
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An Experimental and Analytical Investigation of Floor Vibrations
… of study involved a comparison of finite element models with field tests for a suspended floor system. The suspended floor system underwent several retrofits to determine which retrofit reduced annoying vibrations the most. Comparisons were also made to see how well a finite element model could be …
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Mono- and Dinuclear Nonheme Iron Model Complexes: O-O Bond Activation, Structural Characterization and Reactivity Study
… reactivities of mono- and dinuclear nonheme iron model complexes were investigated. In Chapters 2 and 3, O-O bond activation of H2O2 by the dinuclear complexes [(FeIII2(μ-O)(μ-OH)L2]3+ (1A) and [(FeIII2(μ-OH)2L2]4+ (2A), L = tris(3,5-di-methyl-4-methoxypyridyl-2-methyl)amine, to form the …
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Predicting Disease Progression Using Deep Recurrent Neural Networks and Longitudinal Electronic Health Record Data
… data, however, and traditional classification models are limited in this context by the cross- sectional nature of training and prediction processes. Finding temporal patterns in EHR is especially important as it encodes temporal concepts such as event trends, episodes, cycles, and …
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Electrostatic simulations of interactions between a scanning probe and quantum Hall liquid
In this thesis we modelled interactions between metal probe and quantum Hall liquid. The setup geometries were similar to those met in scanning capacitance microscopy experiments carried out by Ashoori's group [1]. The main interest was to explore the 2DEG charge densities for a different system …
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Modeling the Active Sites of [nickel-Iron]- and [iron-Iron]-Hydrogenases
… previous hydride-containing [FeFe]-hydrogenase models featured only bridging hydrides, we sought to prepare complexes of terminal hydrides that would be more relevant to mimicking this hydrogenase. Di-subferrous precursors, such as Fe2(S2C2H4)(CO)4 (PMe3)2, have been known for decades---well …
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Diagnose network failures via data-plane analysis
… to generalize across protocols since it must model complex configuration languages and dynamic protocol behavior. This paper studies an alternate approach: diagnosing problems through static analysis of the data plane. This approach can catch bugs that are invisible at the level of …
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Modeling and control of hydronic building HVAC systems
… which necessitates an understanding of the complex dynamical interactions among its components from a mathematical and physical perspective. In this work, concepts from linear graph theory are applied to model complex hydronic networks. Further, time-scale decomposition techniques have been …
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Quality assessment of docked protein interfaces using 3D convolution
… proteins. When proteins interact they form a complex, whose functionality is different from the individual proteins in the complex. Therefore understanding protein interactions and their interfaces is an important problem. Experimental methods for this task are expensive and time consuming, …
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Educational Accountability: A Case Study of the Creation, Implementation and Cancellation of the Math Proficiency Test in Ontario, Canada
… and cancellation of the MPT. Because of the complexity surrounding the MPT a case study method is used to look at the test within a bounded timeframe. Using a case study model, complex relationships between seven educational accountabilities (bureaucratic/ administrative, legal, market, …
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Assessment of Dynamic Maintenance Management
… is very important to understand the inherently complex and dynamic structure of the system. Traditionally maintenance policies are derived from reliability characteristics of individual components or sub-systems. This research makes an attempt to understand the system from the forest level and …
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Simplifying The Non-Manifold Topology Of Multi-Partitioning Surface Networks
… surface networks: MPSNs) are very useful to model complex organs with multiple anatomical regions, such as a mouse brain. However, MPSNs are usually constructed from image data and might contain complex geometric and topological features. There has been much research on reducing the geometric …
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Modeling and Simulation of Lane Keeping Support System Using Hybrid Petri Nets
… have come into the picture and have been used to model complex systems for different purposes, such as production management, traffic flow estimation and the introduction of new car features collectively known as, Adaptive Driver Assistance Systems (ADAS). Since most of these systems include both …
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Fuel cycle transition simulation capabilities in CYCLUS
… has increased the demand for tools necessary to model complex nuclear fuel cycles (NFCs) and advanced reactor technologies. This thesis demonstrates the capability of CYCLUS , the agent-based fuel cycle simulator, to model, simulate, and analyze real-life fuel cycle transition scenarios. I …
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Modellkomplexe für zinkhaltige Hydrolasen mit Schwerpunkt auf der ß-Lactamase
… Arbeit wurde im Rahmen der bioanorganischen Modellkomplexchemie die Reaktivität von Tris(pyrazolyl)borat-zink-hydroxid-Komplexen (TpZnOH) gegenüber ß-Lactamen und das Koordinationsverhalten von TpZn-ß-Aminosäurekomplexe im Hinblick auf biologisch relevante Zwischenstufen im Katalyseprozess …
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