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 28 for “"Synthetic Models"”.
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Synthetic models of [FeFe]-hydrogenase: case studies utilizing azadithiolate and nitrosyl coligands
… with the industrial standard, Pt metal. Synthetic models of hydrogenase active sites are useful for understanding the chemistry occurring within the active site. Chapter One reviews general background information on hydrogenases as well as their synthetic models. Chapter Two describes the …
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Identification and biophysical characterization of two intralysosomal pigments with free-radical properties and their synthetic models: Human neuromelanin and the minocycline-induced thyroid pigment
… be an atypical melanin that is poorly modeled by synthetic DA melanin, whereas the thyroid pigment does not qualify as a melanin but is similar to a pigment formed by autooxidation of minocycline in vitro. Other results show that these two natural pigments contain bound paramagnetic metal ions in …
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Investigation of backwards erosion piping by data driven modeling
… with PWP trends calculated from finite element models corroborate previous findings that BEP does not progress in a simple manner. BEP does not progress smoothly in time nor does it progress symmetrically or only longitudinally (directly from downstream to upstream) in space. This research …
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Criteria for evaluating model deficiency for groundwater models and the effects of eliminating deficient models on multi-model analysis using AICC, KIC, AIC, and BIC
… because both uncertainty of individual models and uncertainty associated with different model structures are considered. Models are evaluated for the strength of evidence that they represent an unknown system using different Information Criteria (IC) equations. IC equations are designed …
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Forward modeling the gravitational field using a direct solution of Poisson's equation
… method is demonstrated through applications to synthetic models and comparisons with integral solutions. This method can also be easily adapted to compute the horizontal components of gravity anomaly with the same order of accuracy, thereby paving the way for studying the prospect of instrument …
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On-Metal Synthesis of Some Aryl Substituted Rhenium η<sup>5</sup> Cyclopenta[C] Pyridazyl Complexes
… 5,6- fused ring pyridazines which will serve as synthetic models and building blocks for organic and organometallic conducting polymers. Our research focused on synthesis of 5 membered pyridazines and their organometallic rhenium complexes for polymer studies. Several aryl-substituted 5,6- fused …
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Synthesis and Structure of a Substituted Pyridazine
… herein. These fused heterocycles will serve as synthetic models and building blocks for potential organic or organometallic conducting polymers.</p> <p>Our goal was to modify the route of Snyder et al. previously reported for the direct synthesis of pyridazine 2. This required improved synthesis …
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A critical study on Christian mission with special reference to the Presbyterian church of Mizoram
… the author employed the postcolonial and synthetic models. This study introduced the Mizos and their traditional elements with a brief interpretation. Then the colonial power and Christian mission came to Mizoram which brought various changes in Mizo society. While admitting that change …
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Off-Metal Synthesis of Some Aryl Substituted Rhenium n5-Cyclopenta [C] Pyridazyl Complexes
… These fused heterocycles will serve as synthetic models and building blocks for potential organic or organometallic conducting polymers. <br> Our work is focused on the synthesis of pyridazines and their organometallic rhenium complexes and polymer research. Several aryl-substituted …
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Biomimetic emulators of high potential peroxygenases: Implications in bioremediation and metabolic studies
… industrial large-scale processes. Besides, these synthetic models are helpful also to understand the behavior of pharmaceuticals, antifungal drugs in this case, in the environment, and to predict the drug metabolism by cytochromes P450. The biomimetic catalysts, for the studied cases, also proved …
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Robustness of Consistent Loss Functions for Multinomial Outcome Models
… parameters consistently in multinomial outcome models. However, it is sensitive to even a tiny fraction of corruption in the training data. Alternatively, other loss functions in the family of strictly consistent loss functions can be used to consistently estimate model parameters. In this …
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Entwicklung einer simultanen refraktions- und reflexionsseismischen 3D-Laufzeittomographie mit Anwendung auf tiefenseismische TRANSALP-Weitwinkeldaten aus den Ostalpen
… The extensions have been tested with some simple synthetic models focusing on problems connected with discontinuities and low velocity zones. The inversion algorithm was then applied to a wide-angle data set from the Eastern Alps recorded by seismological three-component stations during the …
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Understanding the [Fe Fe]-Hydrogenase H-Cluster: Insights From Chemical Modelling and Advanced Spectroscopy
… cells. Work described in this thesis focuses on synthetic mimics of the active site of [Fe Fe]-hydrogenases and explores their reactivity towards protons and electrons. Chapter 1 gives a brief overview of the chemistry taking place in hydogenase enzymes with a particular focus on the [Fe …
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Morphogenesis and Growth Driven by Selection of Dynamical Properties
… of biological organisms.</p> <p>Here we take a synthetic and computational approach to the problem, abstracting the organism as a cellular automaton. Such systems are discrete digital models of real-world environments, making them more accessible and easier to study then their physical world …
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The effect of diet and parasite load on female phonotaxis in the Texas field cricket, Gryllus integer
… and with different parasite loads to various synthetic models of conspecific calling song. Test females were virgin, 11-14 days old, and had been maintained on one of five diets varying in protein and fat content. Phonotaxis was quantified using a non-compensating Kugel treadmill which …
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Spectroscopic Characterization of H93G Myoglobin Cavity Mutant As A Versatile Protein Scaffold For Modeling Native Heme Iron Coordination Structures and Investigation of the Structure and Mechanism of the Dual-Function Enzyme, Amphitrite Ornata Dehaloperoxidase
… ligands have been successfully prepared as models for native heme iron active sites ligated by proximal His (imidazole), Lys (amines), seleno-Cys (selenols) and Met (thioethers). Particularly, a variety of accurate ambient-temperature mixed-ligand model complexes, hard to achieve with …
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Análise paramétrica do método de injeção alternada de água e CO2(WAG) em reservatórios de petróleo
… method in question. For this work, semi - synthetic models were used with reservoir and fluid data that can be extrapolated to practical situations in the Brazilian Northeast. The results showed the influence of the alternating injection of water and gas on the recovery factor and flow rate …
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Development of a high-fidelity biorobotic cardiovascular in vitro simulator
… which is difficult to imitate in organic or synthetic models. The anatomical details of intracardiac structures (such as papillary muscles, chordae tendineae, ventricular trabeculae, valves, moderator bands) are highly complex and challenging to replicate using current manufacturing methods. …
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Modeling and Manufacturing of Dynamic Vocal Folds: First Steps Towards an Active Voice-Box Prosthesis
… of the tissue? and 3) can we manufacture a synthetic vocal fold model that exhibits a desired and controllable dynamic behavior? First, the elastic properties of sixteen porcine vocal folds were evaluated through uniaxial tensile tests on a custom built experimental setup. Stress-strain data …
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Investigating the Performance Of Electrical Resistivity Arrays
2D inversion modeling of synthetic data is used to evaluate the performance of five electrical resistivity arrays, with the primary criteria being the reproduction of sharp model boundaries. 2D synthetic noise free data were calculated simulating a modern fixed spacing multi-electrode cable. Twelve …
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