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 29833 for “"Surface"”.
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SURFACE
… naturally colored porcelain slips used as paint. SURFACE presents my exploration of the natural world; the experiences and memories created during this process compelled this exhibition. Topics discussed are the influences, concepts, techniques, and methods used to create the work. Included are …
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Surface-surface intersection with validated error bounds
… segments between continuous rational parametric surfaces, typically rational polynomial parametric surface patches. Using a validated ordinary differential equation (ODE) system solver based on interval arithmetic, we obtain a continuous, validated upper bound for the intersection curve segment …
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Surface and Sub-Surface Analyses for Bridge Inspection
… for rebar detection and localization for sub-surface bridge inspection of steel rebars. The data has been collected using Ground Penetrating Radar (GPR) sensor on real bridge decks. In this regard, a number of different approaches have been successively developed that continue to improve the …
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Controlled Surface Layer Deposition for Steel Surface Hardening
… and 5% H2-N2 (nitridation), were used for surface hardening. The coarse Ti particles (≤50 μm) were suspended in ethanol using the charging agent poly(diallyldimethylammonium chloride) (PDADMAC). EPD: The present work demonstrated the importance of assessing the electrophoretic mobilities of …
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Cooperative navigation between surface and sub-surface vehicles
… This is an important problem for robots while subsurface, as it is a GPS-denied environment. Conventionally acoustic localisation has been performed by manually deploying static acoustic beacons which require extensive calibration and suffer from an operational area limited by the acoustic range …
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Thermocapillary Convection During Laser Surface Heating (Surface Tension)
The fluid flow and the heat transfer during laser surface heating are studied. Surface tension gradient is identified as the dominant force from an order of magnitude consideration. Mathematical models for the thermocapillary convection within the molten pool are thus formulated. The models are …
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Surface states on the cleaved (III) silicon surface
… edge and the Fermi level in the bulk and at the surface, and to the quantity of charge in the surface states which has been trapped from the bulk. Analysis of the data shows a high density of surface states on the clean cleaved surface, centered 0.28 ± 0.08 eV above the valence band edge. The …
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Bounded Surface
The relationship between surface, perception, and structure has occupied my graduate studies. Locating, transforming, and transcending the surface requires play with perceptive abilities not only of vision, but of touch, hearing, and the other senses as well. How do the interactions of sense with …
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Surface Levels
<p><em>Surface Levels</em> are depictions of unobserved and imperceptible realities of many phytoplankton exteriors. The exhibition explores various structures, textures, and repetitious forms from microscopic surfaces of objects that cannot be seen with unaided eyes. Electron microscopy is used to …
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Surface Consciousness
… condition, into which forms are inserted. Surface, in this case, is often treated as secondary to form and space defined as such, and rarely fully addressed in its own architectural capabilities. The thesis aims to highlight an alternative space reading prioritizing the surface, while …
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Live Surface
Live Surface allows users to segment and render complex surfaces from 3D image volumes at interactive (sub-second) rates using a novel, Cascading Graph Cut (CGC). Live Surface consists of two phases. (1) Preprocessing for generation of a complete 3D watershed hierarchy followed by tracking of all …
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Surface Structure/Property Relationship for (001) Surface of Magnetite
… In this work, natural single crystal Fe3O4 (001) surfaces are studied with a variety of techniques. It is discovered that the Fe3O4 (001) surface structure and properties are dependent on the surface preparation methods. Conventional processed surfaces in an oxygen-rich environment are found to be …
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Surface triangulation and the downstream effects on surface flattening
Surface triangulation is an active area of research due to its wide usage in a range of different computer aided applications, including computer aided design (CAD), manufacture (CAM) and finite element analysis (FEA). Although these applications are used to create, interrogate, manipulate and …
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Strain field near the surface due to surface traction.
Massachusetts Institute of Technology. Dept. of Mechanical Engineering. Thesis. 1974. M.S.
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Effect of Nanoscale Surface Structures on Microbe-Surface Interactions
… grow as biofilms on living and non-living surfaces. The development of biofilms on non-living surfaces is significantly affected by the surface micro/nano topography. The main goal of this dissertation is to study the interaction between microorganisms and nanopatterned surfaces. In order …
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Surface conditions effect on energy exchange at the soil surface
… were conducted to determine the effect of soil surface properties on physical processes occurring at or near the soil surface. Study one examined tillage effects on soil thermal properties and heat flux. Study two examined surface roughness effects on soil reflectance, net radiation, and the …
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