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 180 for “"step-wise"”.
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The relationship between performance in the competitive butterfly stroke in male swimmers and selected physiologic and anthropometric factors
… in a Pearson product correlation coefficient. A step-wise multiple regression computer program was also used. The specific factors of maximal oxygen debt, vital capacity, one-half second timed vital capacity, a special somatotype index, skinfold fat, strength and bitrochanteric were investigated …
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Immunological evaluation of HIV-negative invasive fungal disease at Groote Schuur Hospital, Cape Town, South Africa
… Objective To detail an appropriate step-wise immunological work-up for a series of patients with invasive fungal diseases and possible underlying primary immune deficiency. Methods Detailed review of all culture- or histologically confirmed cases of invasive fungal disease (IFD) at …
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Avoiding data mining bias when testing technical analysis strategies - a methodological study
… compares three of these methods, the step wise Superior Predictive Ability (step-SPA) method of P.-H. Hsu, Y.-C. Hsu and Kuan (2010), the False Discovery Rate (FDR) method of Benjamini and Hochberg (1995) and the Monte Carlo Permutations (MCP) method of Masters (2006). The MCP method …
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A Numerical Model for Flux Decline During the Crossflow Ultrafiltration of Colloidal Suspensions
… due to cake formation during filtration. A step-wise pseudo steady-state model was developed to predict the flux decline due to concentration polarization during crossflow ultrafiltration. An iterative algorithm was employed to predict the amount of flux decline for each finite time interval …
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Self-Checking Programs: An Axiomatic Approach to the Validation of Programs by the Use of Assertions
… verification. The design part is described by a step-wise refinement process. The verification part is described by a set of Induction Rules. The distinguishing feature of this methodology is that it produces programs which are not proven to be correct but to have a property that is weaker than …
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Evolution of (Beta/alpha)8 Barrels: Refinement of Enzymatic Efficiency for a New Ortho-Succinylbenzoate Synthase (Osbs) From a Promiscuous Progenitor
This work allowed a step-wise pathway of changing base pairs to be elucidated that illustrates that a minimal amount of mutations (four from wild-type to I19F/R24W/D297G) are necessary to develop a new function. Additionally, the "new" function of OSBS activity was achieved with changes to …
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Wireless Cooperative Communication and Networking
… a novel cooperative scheme called Cooperative Step-Wise Demodulation, which utilizes low level demodulation to demodulate high level modulated signal cooperatively. This paper focuses cooperative scheme in multi-hop wireless networks. The bit error rate probability is analyzed. The comparison …
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Mechanisms of myosin regulation and function during tissue folding
… and cell shape stabilization that result in step-wise apical constriction. While many of the key components of the pathway have been identified, how pulsatile myosin is regulated was previously not well understood. The results presented in this thesis identify mechanisms of regulation of …
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A Study of the Relationship between Building Conditions and Student Academic Achievement in Pennsylvania's High School
… high schools. Research questions analyzed by step-wise multiple regression were: (a) Is there a relationship between overall school building conditions and student academic achievement in Pennsylvania's high schools when socio-economic status (SES) is held constant?; (b) Is there a …
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Movement patterns and phenology of the tobacco thrips, Frankliniella fusca (Hinds), in Virginia peanuts
… the field. Thrips did not redistribute step-wise, as expected. Instead, thrips dispersed evenly throughout the field. However, failure to observe step-wise movement was probably due at least in part to the failure of insecticides to control the thrips in the corner areas of the …
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BIOFUNCTIONALIZATION ON HYDROGEN-TERMINATED SILICON(111) SURFACES
… attachment to acetylenylated monolayer via step-wise procedure, as well as direct electron transfer between the redox biomolecule and underlying silicon substrate. To realize our vision, we built a film passivation apparatus that provides near ideal ultra-high vacuum (UHV) condition for …
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Peptide functionalisation and characterisation of gold (nano) surfaces
… describes the development of a method for the step-wise functionalisation of planar gold surfaces with short peptide derivatives, which contained elastase cleavable moieties. (±)-α-lipoic acid was utilised to provide an anchor to the gold surface and conventional Fmoc chemistry used to prepare …
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Polyamide-imide and Montmorillonite Nanocomposites
… PAI suspension; the sample was then cured by step-wise heat treatment. Polarized optical microscopy was used to choose the best suitable MMT for PAI matrix and to study the distribution of MMT in PAI matrix. Concentration dependent dispersion effect was studied by x-ray diffraction (XRD) and …
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ANALYSIS OF THE DEVELOPMENT AND APPLICATIONS OF RISK ASSESSMENT FOR SEX OFFENDERS IN CORRECTIONAL POPULATIONS: A COMPARATIVE REVIEW
… field of risk assessment include incorporating step-wise applications and using theoretically- grounded scale components. This paper also organizes much of the current literature about risk assessment and highlights common shortcomings and innovations of each scale discussed.
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ANALYSIS OF THE DEVELOPMENT AND APPLICATIONS OF RISK ASSESSMENT FOR SEX OFFENDERS IN CORRECTIONAL POPULATIONS: A COMPARATIVE REVIEW
… field of risk assessment include incorporating step-wise applications and using theoretically- grounded scale components. This paper also organizes much of the current literature about risk assessment and highlights common shortcomings and innovations of each scale discussed.
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Determinants of Wind Energy Deployment: Infrastructures, Policies, Resources, or Economics?
… using fixed effects regression models, forward step-wise between modeling, and lead-lag models. The results indicate that demand, electrical transmission availability, and complementary generation assets, as well as the import-export of electricity are important factors in determining where wind …
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Dividend behaviour of NYSE-listed banks within an optimal control theory framework
… of logistic regression analysis and logistic step-wise regression established the factors that govern the control-theoretic dividend patterns. The application of multiple regression analysis and step-wise regression analysis enabled this study to determine the factors that are associated with …
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An ERP investigation of symbolic and nonsymbolic fraction processing
… ratios in P3, providing evidence for a step-wise mechanism of fraction processing.
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Operational streamlining in a high-throughput genome sequencing center
… the Institute to achieve these goals in a step-wise manner. However, as the rate of technology progression in sequencing has slowed, the Institute has been forced to look to continuous, incremental improvement in order to achieve its goals. The Core Sequencing/Detection group handles the …
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Modeling thermal environment of a recirculating aquaculture system facility
… of the thermal environment of RAS lags behind. A step-wise steady-state thermal model was developed to simulate the daily heating, ventilation, water pumping, biofilter operation, and lighting energy requirements over a production cycle. The model was validated using temperature and energy data …
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