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.
Results
Showing 1 to 20 of 25 for “"surface behavior"”.
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Investigating surface behavior of copper electrodeposition electrolytes and additives
DSpace SAF Submission Ingestion Package generated from Vireo submission #14012 on 2019-11-26 at 13:59:34
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The Effect of Topography on Surface Behavior of Pseudomonas aeruginosa
… and 2) study the mechanism(s) by which surface topography hinders biofilm formation. The robustness of a topographical coating comprised of an array of silica particles is improved by the introduction of silica bridges through a sol-gel reaction. To study the mechanism(s), specifically, …
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Modeling transient multiphase flow and mold top surface behavior in steel continuous casting
… flow physics in the mold region and mold top surface behavior during continuous casting of steel slabs. Each model can be used independently or combined together as a comprehensive system to gain insights into the inter-related multiphase fluid dynamics in the caster mold during both …
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Goal and action inference for helpful robots using self as simulator
… robots that can begin to understand human behavior in terms of the mental states that generate it, rather than only upon observable surface behavior. This understanding is key for cooperating with robots instead of using them as tools.
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A statistical approach for shadow detection using spatio-temporal contexts
… introduce a nonparametric framework for modeling surface behavior under cast shadows. To each pixel, we assign a potential shadow value with a confidence weight, indicating the probability that the pixel location is an actual shadow point. Given an observed RGB value for a pixel in a new frame, we …
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Waterscape
… terms of adaptable systems and temporality, of surface behavior and material relevance. This thesis explores the dialogue between experience and performance -- the reciprocity between form and function -- through the design of a performative landscape that re-interprets the water treatment cycle …
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A Monte-Carlo-based simulation of jet exhaust nozzle thermal radiative signatures
… formulation which is capable of simulating real surface behavior, such as specular reflections, and allows for variation of input parameters such as temperature, surface properties, and geometry. For given input parameters, the model predicts the overall infrared signature due to surface …
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Surface and bulk phase separations in block copolymers and their blends
Surface and bulk properties have been studied in terms of composition and morphology of siloxane containing block copolymers and their blends with homopolymers. X-ray Photoelectron Spectroscopy (XPS) has been used to obtain the compositional information from the top 60 angstroms or so at the …
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In the Shadow of Prompts: Adversarial Attacks and Model Cloning in Large Language Models
… they present a serious, often overlooked attack surface. Earlier work has shown how to rebuild the output projection layer or distill surface behavior, but no attack has produced a deployable clone within a tight query budget. In this thesis, we address this problem by presenting a practical …
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Shear force impacts type IV pilus and flagellar dynamics during Pseudomonas aeruginosa surface adhesion
Surface-attached bacteria experience forces associated with fluid flow in nature. However, many studies on bacterial adhesion have been conducted in conditions either lacking flow or using forces not typically found in natural systems. In Chapter 2, I examine how Pseudomonas aeruginosa cells use …
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Mechanics of graded wrinkling
The properties of a surface depend on the inherent material and the surface topography. Nature uses surface texture as a means to impact different surface behavior such as cleanliness, adhesion control, drag reduction, etc. As one way to mimic nature to obtain particular surface properties, …
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X-ray study of the ordering phase transition at the Cu3Au (111) surface
We have studied the phase transition at the (111) surface of Cu3Au by glancing incidence x-ray scattering. The experiment was designed to approach the general question of surface behavior near a bulk first order phase transition. We have studied three aspects of the phase transition: the surface …
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Working with the Drive: A Lacanian Psychoanalytic Approach to the Treatment of Addictions
… This dissertation demonstrates how to go beyond surface behavior and transform addictions on the level of the drive. While the techniques and interventions discussed within this project can be used within a wide range of clinical approaches, this project is the first of its kind, in that a …
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Systems Driven out of Equilibrium with Energy Input at Interfaces or Boundaries
We study the non-equilibrium behavior of systems that are driven out of equilibrium from the interface. In the first part of this thesis, we study a model of a two-dimensional lattice gas that is in contact with two heat baths that are at different temperatures. Performing Monte Carlo simulations, …
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Surface Characterization of Poly (epsilon-caprolactone) at the Air/Water Interface
Surface behavior of poly (epsilon-caprolactone) (PCL) have been studied at the air/water interface (A/W). PCL is a hydrophobic and crystalline polyester with a glass transition temperature around -60 degrees centigrade, a melting point around 55 degrees centigrade, excellent biocompatibility, and …
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Microscopic Study of Structure, Chemical Composition and Local Conductivity of La2/3Sr1/3MnO3 Films
… understanding and controlling this kind of behavior is necessary for any possible device applications. An essential first step then, and the objective of this thesis project, is the characterization of the lattice structure and chemical composition. The chemical composition of LSMO films …
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Soil-Plant-Atmosphere Coupling during Interstorm Periods
… and interstorm drying? What does interstorm land surface behavior reveal about landscape responsiveness to climate forcing and vulnerability to change? Using satellite and field tower observations, plant water and carbon uptake responses to rain pulses are characterized across global ecosystems. …
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Surface integrity evaluation and the effect of machining-induced surface integrity characteristics on part's performance
Surface integrity (SI) is the integrated surface behavior and condition of a material after being modified by a manufacturing process; it describes the influence of surface properties and characteristics upon material functional performance. As the leading-edge field of manufacturing research, SI …
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Directed Self-Assembly of Polymer-Decorated Nanoparticles
… main goal of this thesis is to shed light on the surface behavior of these universally used components. The thesis explores controlling surface reactivity of nanoparticles to great detail and concludes with a proven method to organize the nanoparticles using self-assembly. The consistent and …
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Modeling cycle and time dependent creep/relaxation effects on fatigue lives of notched members
… time and cycle dependent mechanical material behavior for metals at room temperature had not been previously studied except for the case of creep. An investigation studying transient mechanical effects on Ti-6Al-4V titanium and 7475-T651 Al alloys was done to determine how great an effect …
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