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 56 for “"complex surface"”.
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Modeling of complex surface interactions in low and high pressure plasmas
… for twisting is charge accumu-lation on feature surfaces during ion bombardment. An asymmetric local electric field (E-field) changes ion trajectories incident into the feature to one direction opposite the E-field. This causes twisting. Bowing at the top of the feature near the …
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Studying complex surface dynamical systems using helium-3 spin-echo spectroscopy
… of the helium-3 spin-echo (HeSE) technique to complex surface dynamical systems. A twofold approach is presented: the development of improved experimental equipment and the investigation of a series of prototypical aromatic adsorbate systems. Chapter 1 discusses the motivation for this work and …
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Identification and characterization of a novel capsule-like complex surface antigen of Francisella tularensis
… to identify and characterize the capsule-like complex (CLC) surface antigen of F. tularensis, and to determine its role in virulence and immunoprotection in a mouse model. In addition, I have investigated the role of CLC in biofilm formation. The CLC appears as a negatively staining material …
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Deformation theory of Cayley submanifolds
… manifold, a Cayley submanifold might be a complex surface, a special Lagrangian submanifold or neither. In this thesis, we study the deformation theory of Cayley submanifolds from two different perspectives.
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Multiscale modeling of thin film deposition processes
… high kinetic energies in IPVD process involve complex surface interactions that affect overall topology of the microscale features. Copper ECD process involves complex surface reactions and transport phenomena that ranges over different length scales. In this work, predictive simulation tools …
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Systems architecting the future of U.S. Coast Guard operational logistics : a framework for enhancing mission support responsiveness
… to continuously transform in order to adapt to complexity and challenges. Often, many of these transformation efforts fail to achieve the desired future state objectives. The United States Coast Guard (USCG) initiated a major modernization effort over a decade ago that created a Mission Support …
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Some optimization procedures used in response surface methodology
… into selected optimization topics of response surface methodology. In a typical response surface problem one of the main problems to be solved is to find those levels of the controllable variables to provide an optimum response such as highest yield or lowest cost. Several methods for attaining …
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Chemistry of Zirconia and Its Bioanalytical Applications
… studies the chemical nature of zirconia and the complex surface chemistry of zirconia in order to better comprehend its behavior under chromatographic conditions. This research shows how the physical and chemical properties of zirconia depend strongly on the thermal treatment during synthesis. …
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Investigating the influence of substrate on the ambiguity of features of drip and transfer patterns in bloodstain pattern analysis
… highlight a better understanding of real-world, complex surface influences on the appearance, analysis, and identification of transfer and drip patterns.
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Nanostructured Coatings for Antimicrobial Applications
… AFM characterization reveals the presence of a complex surface topology with a high degree of roughness. The wettability of the coated surfaces reflects an interplay between the chemical nature of the deposited materials and the surface morphological characteristics. Moreover, it was observed …
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Detecting open surfaces in three dimensions
… method for representing and detecting open surfaces embedded in three-dimensional image volumes. Open surfaces are two-dimensional manifolds with a one-dimensional boundary lying within a three-dimensional volume. Distinct portions of a closed surface can be modeled as open surfaces, as can …
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A generalized precorrected-FFT method for electromagnetic analysis
… isotropic permittivity, bounded by arbitrarily complex surface geometries. The code is shown to have performance characteristics similar to the best known approaches for these problems. It also provides an increased level of generality, and is designed in such a way that should allow it to …
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On the Classification of Enriques Surfaces
… conjectures concerning the structure of K3 surfaces: all such surfaces are deformation equivalent; they all admit K¨ahler structures; every point of the period domain arises as the period point of a K3 surface; and the biholomorphism class of a K3 surface is determined by its period point. …
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Preparation for CWRF downscaling climate prediction over Pakistan: development of iCWPS surface processing and analysis of regional precipitation teleconnection
… forcings and regional interactions with complex surface characteristics. As such, credible prediction of the regional climate requires realistic representation of land-atmosphere interactions and large-scale monsoonal processes. The state-of-the-art regional Climate-Weather Research and …
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Image statistics and the perception of surface reflectance
… surprisingly good at judging the reflectance of complex surfaces even when the surfaces are viewed in isolation, contrary to the Gelb effect. We argue that textural cues are important for this task. Traditional machine vision systems, on the other hand, are incapable of recognizing reflectance …
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Rational Design and Advanced Fabrication of Metallic Nanostructures for Surface-Enhanced Raman Spectroscopy
… for such purpose, optical spectroscopy such as surface-enhanced Raman scattering is considered a suitable option. This spectroscopic technique takes advantage of the interaction between an optical field and metallic nanostructures to magnify the electromagnetic field in the vicinity of the …
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Interactive Fabrication & Design of Bioinspired Surface Geometry
… design strategies have also led to higher complexity in the morphology of design objects, which makes the design materialization process (fabrication) being particularly challenging. With the continuous development of computational design and digital fabrication technology in the recent …
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Surface morphology and ordering in side-chain liquid crystal diblock and homopolymer ultrathin films
… X-ray Specular Reflectometry, to determine the complex surface morphology. Contact angle measurements and angle-resolved X-ray Photoelectron Spectrometry were also conducted to determine LC orientation at different interfaces. From this information, final models of complex morphologies were …
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Functional and complex topological applications of plasma polymerized ultrathin films
… response and robustness on both planar and complex surface structures. The work emphasizes the facile ability of plasma polymerization to create unique, tailored ultrathin coatings. Chemical functionality retention (OH, NH₂) of the tyrosine and histidine amino acids is demonstrated by the …
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Ruga mechanics of composite media with soft inclusions
… patterning of the inclusions is shown to induce complex surface topography attributed to the local buckling modes, such as wrinkles and folds. Furthermore, through natural frequency eigenvalue analysis, it is demonstrated that fibrils with soft inclusions in the post-buckling region have local …
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