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 24 for “"Surface following"”.
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Surface-referenced current meter measurements
… of possible techniques for observation of near-surface currents indicates that the surface-following frame of reference will provide several advantages over the Eulerian or Lagrangian frames. One problem with surface-following measurements is the biasing effects of the waves. A technique for …
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Hybrid-Adaptive Switched Control for Robotic Manipulator Interacting with Arbitrary Surface Shapes Under Multi-Sensory Guidance
… achieve fully automated object interaction and surface following with or without contact where no prior knowledge of the objects is available. To minimize the complexity of the task, the problem is formulated into four interaction motion modes: free, proximity, contact and a blend of those. The …
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Production of nano-templated surfaces for quartz crystal microbalance
… crystal matrix in order to fabricate a high surface area silver electrode onto the gold electrode substrate of an Electrochemical Quartz Crystal Microbalance (EQCM). Deposition onto the EQCM allowed the unconventional properties of the deposited film to be studied by interpretation of the …
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Halocarbon Reactions on the Chromium (III) Oxide (101̲2) Surface
A nearly stoichiometric, (1×1) Cr₂O₃ (101̲2) surface was prepared from a single crystal of α-Cr₂O₃. The five-coordinate cations exposed at the stoichiometric surface dissociatively adsorb molecular oxygen to form a (1×1), terminating chromyl (Cr=O) layer that is stable to >1100 K. TDS and AES were …
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Grafeno ant skandžio oksido fotolitografija /
… transfer, a photoresist mask was formed on the surface, following which the monolayer was dry etched inside an oxygen plasma chamber to form a graphene microstructure. Another photoresist mask was formed so that a nickel-gold metal layer could be deposited on the surface. After the lift-off of …
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The partial oxidation of propene to acrolein over single-crystal Cu₂O
… studied over Cu₂0(100) and (111) single crystal surfaces. Propene adsorption under ultrahigh vacuum conditions yields no significant oxidation products, but the propene desorption temperatures are sensitive to the structural differences in the surfaces. Propene adsorption at atmospheric pressure …
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The Effect of Two Maintenance Procedures on an Equine Arena Surface in Relation to Motion of the Hoof and Metacarpophalangeal Joint
Maintenance procedures are reported to affect surface properties. The majority of work regarding surfaces in relation to performance and welfare is currently race track specific. The study aimed to investigate limb and hoof movement on a synthetic arena surface following two different commonly used …
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Scanning Tunneling Microscopy and Adsorption Studies on Single-Crystal Metal Oxide Surfaces
… scanning tunneling microscopy (STM). The SnO₂ surface flattens considerably following high temperature treatments up to 1500 K. The conductivity of the synthetic SnO₂ surface is significantly reduced following annealing at temperatures of approximately 1200-1500 K, making tunneling impossible. …
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Mechanisms of Cell Surface Trafficking and Potential Functions of Extracellular Annexin A2
… cell types and is translocated to the outer surface of the plasma membrane in response to elevated concentrations of intracellular Ca2+. It is known that the binding of Ca2+ to the C-terminal Ca2+-binding domains is essential for the recruitment of AnxA2 to the inner leaflet of the plasma …
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Uncertainty quantification in safety codes using a Bayesian approach with data from separate and integral effect tests
… type chosen is that of a probabilistic response surface following the Gaussian Process (GP) model framework. A GP prior is placed on the input/output functional relationship, which ultimately leads to a Bayesian non-parametric non-linear model of the safety code. The surrogate emulates the …
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Numerical Modeling of Air Cushion Vehicle Flexible Seals
… interaction problems with or without a free surface. A dimensional analysis is first conducted to identify potential non-dimensional forms of parameters related to seal resistance. Then, an implicit, Reynolds-averaged Navier-Stokes finite volume fluid solver is coupled to an implicit, …
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The relationship between microscales and wind-wave spectral development
… height and of the turbulent atmospheric and subsurface boundary layers were made, from a small surface following platform and from a stable 38.5m spar buoy. The structure of moving gust patterns (cat's paws) is described and related to the generation of surface waves. Results from this and other …
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An investigation into the effects of surface composition and preparation on the mechanical properties displayed by equestrian surfaces.
… of materials currently used for equine arena surfaces, all of which can be expected to have different physical and mechanical properties. There is currently little published research examining the characteristics of these surfaces, or describing methods which can be used to test them. The aims …
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Quantitative Mechanical Properties of Carbon-based Surfaces Examined through Analysis of Cantilever Dynamics in Atomic Force Microscopy
… assessment of the mechanical properties of the surfaces, quantification of the experimental data has been hindered due to the lack of precisely calibrated data. Additionally, novel applications of nanomaterials require high spatial and temporal resolution in their mechanical properties, which …
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Haptic emulation of hard surfaces with applications to orthopaedic surgery
… Bone-conserving implants have bone-mating surfaces that reproduce the natural curvature of bone structures, requiring less bone removal. No small, reliable, inexpensive and universal bone sculpting technique currently exists, however, that can both create and accurately align such complex …
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Coating of Polyvinylchloride for Reduced Cell / Bacterial Adhesion and Antibacterial Properties
A Polyvinylchloride surface was modified by coating a biocompatible, hydrophilic and antibacterial polymer by a mild surface modification method. The surface was first activated and then functionalized, followed by coating with polymer. The surface functionality was evaluated using cell adhesion, …
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Voice Leading in Fugue
… usually permeates all the parts, making the surface diminutions unusually complex. Given the predominance of the subject, there is a tendency in the Schenkerian tradition to base the voice-leading analysis of a fugue on an <em>a priori</em> analysis of the subject by itself. Based on the …
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The Effects of Forest Fires on Runoff Rates: The Role of Duff Removal and Surface Sealing by Vegetative Ash, Western Montana
Increases in runoff and erosion following a forest fire are often attributed to the removal of the surface duff and litter, the formation water repellent soils, and surface sealing. There has been considerable work on the influence of water repellency on post-fire runoff, however few studies have …
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The Effects of Forest Fires on Runoff Rates: The Role of Duff Removal and Surface Sealing by Vegetative Ash, Western Montana
Increases in runoff and erosion following a forest fire are often attributed to the removal of the surface duff and litter, the formation water repellent soils, and surface sealing. There has been considerable work on the influence of water repellency on post-fire runoff, however few studies have …
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The interaction of cobalt, amino acids, and cobalt amino acid complexes with sediment surfaces
… Electrophoresis revealed changes in the surface charge of the substrate upon interaction with cobalt, amino acids, and cobalt amino acid complexes. These changes provided insight into the reaction mechanisms and chemical species involved. Infrared and visible spectroscopy, x-ray …
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