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Dissertations / Theses on the topic 'Surface analysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Gul-E-Saman. "Surface analysis using polarisation." Thesis, University of York, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.583351.

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Unpolarised light incident on a surface acquires partial polarisation due to the orientation of the dipoles in the scatterer. This thesis focuses on the use of polarised light for diffuse reflectance for surface analysis. Since, the state of polarisation is acquired on interaction with the surface, the polarised light contains information about the surface properties (of the scatterer). A great amount of research has been carried out in computer vision for surface analysis using image analysis techniques. Recently, the trend has been to combine optical techniques with computer vision in order

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2

Lund, Christopher Paul. "Surface spectroscopy and Auger lineshape analysis studies of amorphous silicon surfaces." Thesis, Lund, Christopher Paul (1993) Surface spectroscopy and Auger lineshape analysis studies of amorphous silicon surfaces. PhD thesis, Murdoch University, 1993. https://researchrepository.murdoch.edu.au/id/eprint/42221/.

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This work deals with the experimental investigation of the surface of one of the most interesting and important new semiconductor materials, hydrogenated amorphous silicon (a-Si:H). Ultra-high vacuum surface spectroscopy methods, especially Auger lineshape analysis and X-ray photoelectron spectroscopy (XPS), have been used with a view to studying the effect on the local densities of states at the surface of various preparation methods and subsequent treatments. X-ray excited Si L2,3VV and Si L1L2,3V Auger lines as well as XPS valence band (XPS VB) spectra have been measured for a number of

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3

Perkins, John Bigelow Jones Lawrence R. "Surface ship overhaul decision analysis." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1992. http://handle.dtic.mil/100.2/ADA260623.

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4

Duncan, S. "Ion erosion in surface analysis." Thesis, Loughborough University, 1985. https://dspace.lboro.ac.uk/2134/28023.

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Low energy ion bombardment is a process used in surface analysis and in the electronics and telecommunications industries. Techniques such as Auger Electron Spectroscopy (AES), X-ray Photoelectron Spectroscopy (XPS) and Secondary Ion Mass Spectroscopy (SIMS) employ ion bombardment for surface cleaning and for the provision of composition-depth profiles.

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5

LaBute, Gerard Joseph. "Pseudo-Bayesian response surface analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0001/MQ34971.pdf.

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6

Taylor, Michael. "Surface analysis of polymer microarrays." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10717/.

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Polymers have been used as biomaterials for nearly a century and have recently become the material of choice for use in tissue engineering. However, the classes of biodegradable and biocompatible polymers available for use in biomedical devices and as tissue engineering scaffolds are limited. This lack of available polymers with suitable properties could inhibit the development of biomedical devices with improved biocompatibility and hinder the growth of the fledgling tissue engineering field. Researchers in the polymer and biomaterials fields have tried to remedy this problem by applying comb

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7

Perkins, John Bigelow. "Surface ship overhaul decision analysis." Thesis, Monterey, California. Naval Postgraduate School, 1992. http://hdl.handle.net/10945/30591.

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Approved for public release; distribution is unlimited.<br>Efficient Surface Ship Maintenance and repair is vital to the U.S. Navy. With defense budgets tightening, accurate and economically sound decision making in this program is essential. To improve decision making, it would be helpful to have an accurate analysis program to evaluate the adequacy of ship maintenance and repair decisions. This system should use available overhaul information to identify errors made during the overhaul process. This thesis analyses current Navy ship maintenance and repair feedback processes to determine if a

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8

Jackson, Stuart Thomas. "Surface analysis of polymer blends." Thesis, University of Sheffield, 1993. http://etheses.whiterose.ac.uk/14740/.

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9

Hughes, Gareth Martin. "Surface analysis of orthopaedic implants." Thesis, University of Bristol, 2003. http://hdl.handle.net/1983/03628cc5-0770-4017-97c4-7753d184e308.

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10

Staggemeier, Bethany Ann. "Dynamic surface tension detection : novel applications to continuous flow analysis and interfacial analysis /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/11584.

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11

Thompson, Alice B. "Surface-tension-driven coalescence." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12522/.

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When fluid droplets coalesce, the flow is initially controlled by a balance between surface tension and viscosity. For low viscosity fluids such as water, the viscous lengthscale is quickly reached, yielding a new balance between surface tension and inertia. Numerical and asymptotic calculations have shown that there is no simply connected solution for the coalescence of inviscid fluid drops surrounded by a void, as large amplitude capillary waves cause the free surface to pinch off. We analyse in detail a linearised version of this free boundary problem. For zero density surrounding fluid, we

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12

Fan, Yichao. "The analysis of surface defects using the ultrasonic Rayleigh surface wave." Thesis, University of Warwick, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.495017.

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Surface defects, such as rolling contact fatigue (RCF) cracking, can be a difficult class of surface defects for existing on-line non-destructive testing techniques to detect and size accurately at high speed. Gauge corner cracking on the running surface of the railway track is a type of RCF defect. There are economic and safety benefits to have an accurate, fast and reliable NDT technique to detect such defects. The EMAT pitch-catch ultrasonic testing technique, using the Rayleigh surface wave developed at the laser ultrasound group, has been shown to be able to detect and size surface defect

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13

Martin, Nicholas Joseph. "Surface analysis for proteomics via liquid extraction surface analysis mass spectrometry and liquid chromatography mass spectrometry." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6493/.

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Liquid extraction surface analysis (LESA) is an ambient ionisation technique which allows direct analysis of surfaces coupled with mass spectrometry. LESA mass spectrometry has been used successfully to analyse small molecules, but there are a limited number of examples where the approach has been applied to protein analysis. The work presented here aims to develop novel applications of LESA mass spectrometry of proteins. LESA mass spectrometry was used to analyse intact proteins from polymeric membranes. The rationale for these experiments was the potential application to analyse proteins ele

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14

Zhang, Eugene. "Surface Topological Analysis for Image Synthesis." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5038.

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Topology-related issues are becoming increasingly important in Computer Graphics. This research examines the use of topological analysis for solving two important problems in 3D Graphics: surface parameterization, and vector field design on surfaces. Many applications, such as high-quality and interactive image synthesis, benefit from the solutions to these problems. Surface parameterization refers to segmenting a 3D surface into a number of patches and unfolding them onto a plane. A surface parameterization allows surface properties to be sampled and stored in a texture map for high-quality

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15

Chiang, Joyce Hsien-yin. "Multivariate analysis of surface electromyography signals." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31587.

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As the primary method of measuring muscle activation, the surface electromyography (sEMG) is of great importance in the study of motor deficits seen in patients with brain injuries and neuromuscular disorders. While clinicians have long intuitively understood that deficits in motor control are related to inappropriate recruitment of muscle synergies across several muscles, sEMG recordings are still typically examined in a univariate fashion. However, most traditional univariate techniques are unable to quantitatively capture the complex interactions between muscles during natural movements. To

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16

Elghoul, zoelfikar, and Shobin John. "Surface Topographical Analysis Of Cutting Inserts." Thesis, Högskolan i Halmstad, Funktionella ytor, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-32217.

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The following report conducted with collaboration of the University of Halmstad and ABSandvik Coromant.The focus of the project is characterizing the surface topography of different surface treatmentvariants before and after chemical vapor deposition (CVD).As a part of improving the knowledge about the surface area characterization and accomplisha better knowledge and understanding about surfaces and its relation to wear of uncoatedWC/Co cutting tools The project initiated in February 2016 and end date was set to May2016.The methodology used in this thesis based on the statistical analysis of

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17

Thom, Alasdair D. "Analysis of vortex-lifting surface interactions." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/3037/.

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The interaction of a vortex with a lifting surface occurs in many aerodynamic systems, and can induce significant airloads and radiate impulsive noise. Yet due to their complex nature, the ability to accurately model the important flow physics and noise radiation characteristics of these interactions in realistic situations has remained elusive. This work examines two cases of vortex-lifting surface interactions by enhancing the capabilities of a high fidelity flow solver. This flow solver utilises high spatial discretisation accuracy with a 5th order accurate WENO scheme, and overset meshes t

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18

McGurk, Simon L. "Surface analysis of novel biomedical polymers." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267058.

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19

Clarke, Stuart. "Surface analysis of novel biomedical polymers." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342001.

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20

Li, Wenbin. "Nonrigid surface tracking, analysis and evaluation." Thesis, University of Bath, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619212.

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Estimating the dense image motion or optical flow on a real-world nonrigid surface is a fundamental research issue in computer vision, and is applicable to a wide range of fields, including medical imaging, computer animation and robotics. However, nonrigid surface tracking is a difficult challenge because complex nonrigid deformation, accompanied by image blur and natural noise, may lead to severe intensity changes to pixels through an image sequence. This violates the basic intensity constancy assumption of most visual tracking methods. In this thesis, we show that local geometric constraint

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21

Larkin, Bethany Alexandria Jane. "Bloodstain pattern analysis : scratching the surface." Thesis, Manchester Metropolitan University, 2015. http://e-space.mmu.ac.uk/579548/.

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Bloodstain Pattern Analysis (BPA) is a forensic application of the interpretation of distinct patterns which blood exhibits during a bloodletting incident, providing key evidence with its ability to potentially map the sequence of events. The nature of BPA has given the illusion that its evidentiary significance is less than that of fingerprints or DNA, relying solely on the interpretation of the analyst and focusing very little on any scientific evaluation. Recent preliminary literature studies have involved a more quantitative approach, developing directly crime scene applicable equations an

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22

Razib, Muhammad. "Structural Surface Mapping for Shape Analysis." FIU Digital Commons, 2017. https://digitalcommons.fiu.edu/etd/3517.

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Natural surfaces are usually associated with feature graphs, such as the cortical surface with anatomical atlas structure. Such a feature graph subdivides the whole surface into meaningful sub-regions. Existing brain mapping and registration methods did not integrate anatomical atlas structures. As a result, with existing brain mappings, it is difficult to visualize and compare the atlas structures. And also existing brain registration methods can not guarantee the best possible alignment of the cortical regions which can help computing more accurate shape similarity metrics for neurodegenerat

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23

Guan, Yanlin. "Interactive and immersive surface interrogation techniques over triangulated surfaces." Diss., Mississippi State : Mississippi State University, 2003. http://library.msstate.edu/etd/show.asp?etd=etd-04142003-173417.

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24

Leppälä, Daniel. "Analysis of surface coverage in regards to surface functionalization : A microscopic approach." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-140994.

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The understanding of how white blood cells react when coming into contact with various surfaces is of major importance for a wide range of biomaterials and biosensor applications. In this study it is investigated if it is possible to determine how neutrophils react to a certain type of sensor chip called cell clinic being developed. This study investigates the cell surface coverage on the sensor chip and how it correlates to the signal response of the sensor at hand. Neutrophils, as other white blood cells, are cells that quickly adhere to surfaces and during the adhesion process they activate

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25

Moncayo, Marco Antonio. "Laser Modified Alumina: a Computational and Experimental Analysis." Thesis, University of North Texas, 2012. https://digital.library.unt.edu/ark:/67531/metadc177232/.

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Laser surface modification involves rapid melting and solidification is an elegant technique used for locally tailoring the surface morphology of alumina in order to enhance its abrasive characteristics. COMSOL Multiphysics® based heat transfer modeling and experimental approaches were designed and used in this study for single and multiple laser tracks to achieve densely-packed multi-facet grains via temperature history, cooling rate, solidification, scanning electron micrographs, and wear rate. Multi-facet grains were produced at the center of laser track with primary dendrites extending tow

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26

Lau, Chi Hian. "Chemical, electronic and electrochemical properties of diamond thin films." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:53a0886c-14ad-431a-975d-0ecca8fc8968.

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Diamond is of interest as an advanced functional material, since the extreme physical properties of diamond, suggests it is ideally suited to a range of new demanding applications. In this context, the thesis explores basic surface chemical properties of diamond thin films, along with electrochemical, electronic and electron emission processes involving this material. New experiments are reported concerning the nature of surface conductivity on diamond. Measurements clearly show that the conductivity only arises if a hydrogenated diamond surface is exposed to water vapour, in the presence of c

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27

Bigelow, Alan W. "Energy Distribution of Sputtered Neutral Atoms from a Multilayer Target." Thesis, University of North Texas, 2000. https://digital.library.unt.edu/ark:/67531/metadc2657/.

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Energy distribution measurements of sputtered neutral particles contribute to the general knowledge of sputtering, a common technique for surface analysis. In this work emphasis was placed on the measurement of energy distribution of sputtered neutral atoms from different depths. The liquid Ga-In eutectic alloy as a sample target for this study was ideal due to an extreme concentration ratio gradient between the top two monolayers. In pursuing this study, the method of sputter-initiated resonance ionization spectroscopy (SIRIS) was utilized. SIRIS employs a pulsed ion beam to initiate sputteri

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28

Hofert, Glenn D. "Spectral analysis of vortex/free-surface interaction." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA283210.

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29

Bora, Ethem. "Cylindrical Surface Analysis with White Light Interferometry." Thesis, Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-15308.

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At present, one of the big challenges is to develop a precise surface measurement method for mechanical parts. Especially, to study cylindrical surface, the cause of many difficulties because of its geometry shape. This thesis presents a quite good solution for analyzing topography of cylindrical surface with White Light Interferometry optical system which is one of the important and suitable tools in optics. In the construction period, the aim was to build a system which can be easily mounted on the sample. This is done by a very simple and compact design that also enables us to use it in res

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30

Hui, Ip Kee. "Analysis of surface mount technology solder joints." Thesis, Brunel University, 1996. http://bura.brunel.ac.uk/handle/2438/5380.

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The factors determining the quality of surface mount technology (SMT) solder joints are numerous, and complex. The exploration of these factors, and how they may affect the reliability and quality of the joints can only be achieved through continuous research. In this project, essential areas of SMT joints were selected for study and analysis, with the intention of providing additional design and process guidelines for the production of quality SMT joints. In the infrared reflow process, one of the common defect phenomena is the occurrence of tombstoning; that is after soldering only one end o

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31

Dowsett, David Mark Francis. "High Brightness Ion Sources for Surface Analysis." Thesis, University of Warwick, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491929.

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The aim of this work was to produce an ion source with a high brightness and low energy spread. Two approaches were taken, an existing high brightness ion source (the liquid metal ion source) was monochromated to reduce its energy spread; this work was carried out at the University of York. The second approach was to develop a novel high brightness ion source with an intrinsically low energy spread. This approach was carried out at the University of Warwick. Several potential monochromators were simulated and the concentric hemispherical analyser was found to be the most suitable. Liquid metal

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32

Harp, Keith. "An empirical analysis of visible surface algorithms." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/8537.

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33

Inchley, A. J. "Surface analysis of solutions using photoelectron spectroscopy." Thesis, University of East Anglia, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233547.

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34

Khan, M. A. "Modified poly(styrene) : Surface analysis and biointeractions." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233675.

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35

Farooq, Abdul Rehman. "Dynamic photometric stereo for complex surface analysis." Thesis, University of the West of England, Bristol, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409451.

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36

Ton-That, Cuong. "Surface analysis of modified and blended polymers." Thesis, Robert Gordon University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325401.

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37

Craib, Glenn R. G. "Thin film structural determination and surface analysis." Thesis, University of Aberdeen, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320771.

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A combined approach to the use of surface analysis techniques and X-ray diffraction has been introduced. In particular the development of the microstructure of UHV evaporated thin metallic films has been investigated with a view to clarifying influences on microstructure (particularly texture). This study has shown the wide range of experimental parameters which affect the final film structure, such as temperature, oblique incidence and substrate roughness. An automated energy dispersive X-ray diffractometer has been developed for the study of thin film texture. The required corrections for lo

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38

Atkinson, Gary A. "Surface shape and reflectance analysis using polarisation." Thesis, University of York, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437614.

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39

Khadilkar, Harshad (Harshad Dilip). "Analysis and modeling of airport surface operations." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/67187.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 97-99).<br>The focus of research in air traffic control has traditionally been on the airborne flight phase. Recently, increasing the efficiency of surface operations has been recognized to have significant potential benefits in terms of fuel and emissions savings. To identify opportunities for improvement and to quantify the consequent gains in efficiency, it is necessary to characterize current operational pract

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40

Al-Tahir, Raid A. "Interpolation and analysis in hierarchical surface reconstruction /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487862972135505.

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41

Edussuriya, Suchitra Samanthi. "Computational analysis of viscoelastic free surface flows." Thesis, University of Greenwich, 2003. http://gala.gre.ac.uk/6159/.

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The demand for increasingly small and lightweight products require micro-scale components made of materials which are durable and light. Polymers have therefore become a popular choice since they can be used to produce materials which meet industrial requirements. Many of these polymers are viscoelastic fluids. The reduction in the sizes of components make physical experimentation difficult and costly. Therefore computational tools are being sought to replace old methods of testing. This research has been concerned with the development of a finite volume algorithm for viscoelastic flow which c

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42

BERGAMO, PAOLO. "Surface Wave Analysis in Laterally Varying Media." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2502664.

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This work studies the possibility of using surface wave analysis as a tool for a robust estimation of the S-wave velocity behaviour in laterally varying media. The surface wave method, in fact, can be effectively adopted for different purposes and at different scales, but I focused on the geo-engineering and geotechnical applications of surface wave analysis and also on the production of near-surface models for deep exploration: in both cases the aim is to retrieve the trend of the S-wave velocity in the first tens up to hundreds meters of depth of the subsoil. The surface wave method explo

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43

陳彤{272b21} and Tong Chen. "Numerical computations on free-surface flow." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31238245.

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Chen, Tong. "Numerical computations on free-surface flow /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21020292.

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45

Yeh, Yun-Peng. "Surface engineering for biological recognition." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/4585.

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The underlying idea of this thesis is that the surface chemical and morphological nature of bacterial strains uniquely differentiates one from another and hence can be used as the basis for their identification and control. It follows that their interactions with an artificial substratum uniquely characterize them. In principle, potentially it is easier and faster to evaluate the interfacial energy between a bacterium and a substratum than to characterize its genome or determine molecular biomarkers characteristic of the strain, hence validation of this thesis opens the way to rapid screening

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46

McKibben, John Ferney. "A Computational fluid dynamics model for transient three-dimensional free surface flows." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/5790.

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47

Hata, Misako. "Non linear tolerance analysis by response surface methodology." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1173897314.

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48

Harvey, Alan Paul. "Nonlinear surface acoustic waves and applications." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.255827.

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49

Ge, Zhongfu. "Analysis of surface pressure and velocity fluctuations in the flow over surface-mounted prisms." Diss., Virginia Tech, 2004. http://hdl.handle.net/10919/25965.

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The full-scale value of the Reynolds number associated with wind loads on structures is of the order of 10^7. This is further complicated by the high levels of turbulence fluctuations associated with strong winds. On the other hand, numerical and wind tunnel simulations are usually carried out at smaller values of Re. Consequently, the validation of these simulations should only be based on physical phenomena derived with tools capable of their identification. In this work, two physical aspects related to extreme wind loads on low-rise structures are examined. The first includes the statistica

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50

Waterworth, Adelle. "Quantitative characterisation of surface finishes on stainless steel sheet using 3D surface topography analysis." Thesis, University of Huddersfield, 2006. http://eprints.hud.ac.uk/id/eprint/385/.

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The main aim of this project was to quantitatively characterise the developed surface topography of finishes on stainless steel sheet using three-dimensional surface analysis techniques. At present surface topography is measured using (mainly) stylus profilometry and analysed with 2D parameters, such as Ra, Rq and Rz. These 2D measurements are not only unreliable due to a lack of standardised measurement methodology, but are also difficult to relate directly to the actual shape of the topography in 3 dimensions. They bear little direct relation to the functional properties of the surface of st

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