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 613 for “"flaws"”.
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Fatigue growth of surface flaws in finite plates
… Polvanic, Emery and Love [19] studied surface flaws in plates under bending loads. Kathiresan [20] performed thesis research in the area of three dimensional linear elastic fracture mechanics analyses by a displacement hybrid finite element model in 1976. In the same year J. C. Newman [21] …
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Flaws, approximations and uncertainties in the estimation of the exposed-to-risk
This research analyses the theoretical basis of exposed-to-risk estimation. It defends the conventional actuarial approach against criticisms raised by Hoem (1984), and, in so doing, examines in detail the development of the actuarial profession's estimation techniques. Maximum likelihood estimates …
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Evaluation of Security and Privacy Flaws of Cross-platform Android App Development Frameworks
The increasing adoption of cross-platform mobile development frameworks has markedly simplified the process of creating Android applications; however, it has concurrently introduced significant security and privacy concerns. This thesis provides a comprehensive evaluation of the security and …
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Stress intensity factors for long, deep surface flaws in plates under extentional fields
… agreement for the moderate (a/t ≃ 0.5) to deep flaws (a/t ≃ 0.75) and a/2c > 0.15 was found with a semi-empirical theory due to J. C. Newman when compared on the basis of equivalent flaw depth and area. The Smith theory, when correlated on the basis of flaw depth and area, appears to yield …
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Honor, not sainthood : interpreting scandals and personal flaws in presidential homes, museums and libraries.
… struggles caused by scandals and personal flaws that were experienced by the presidents. This thesis looks at the question of how a president can be honored while his scandals and flaws are still revealed. How the different kinds of scandals and personal flaws that were experienced by …
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Cepstrum-based deconvolution techniques for ultrasonic pulse-echo imaging of flaws in composite laminates
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, February 1999.
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Helping the Poor Help Themselves: Flaws with Conventional Foreign Aid, and Arguments for an International Islamic Financial Institution
… the receiver countries, suffers from a number of flaws. IIFI is founded on the idea of helping the people in the developing countries and LDCs to help themselves. Once people develop in this “bottom up” manner, development of their governments and countries follows. Part I discusses the current …
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An analysis of youth ministers' perceptions of character qualities, leadership competencies, and leadership flaws that facilitate or hinder effective youth ministry
… ministers have regarding potential leadership flaws that may lead to ineffective youth ministry. The researcher surveyed a sample from 1,300 full-time youth ministers representing youth ministers serving in the United States from various denominations as well as no denomination. A survey …
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Effects of Experimental Conditions on Fracture Research Using 3D Printed Materials
… pre-existing quasi-elliptical (ovaloid-shaped) flaws were placed in the center of each specimen. The specimens were subjected to unconfined compression using a Baldwin load frame. The testing setup included a high-speed camera and a high-resolution camera for visual analysis of the fracturing …
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Defect and fracture detection using acoustic emission monitoring
… proofing tests. Each of the vessels had existing flaws/defects in them. The locations of these flaws were known. Acoustic emission sensors were placed on the surface of the vessels, the vessels were subjected to a pressurising programme, and the AE equipment was used in order to confirm the …
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Does the proposed dividends tax overcome the international tax flaws that secondary tax on companies may have, namely exclusion from the scope of some double tax agreements and violation of the anti-discrimination provisions embodied in the OECD mode
Secondary tax on companies (STC) and the new dividends tax and its exemptions therefrom could be in contravention of the non-discrimination provisions of Article 24(5) of the OECD MTC. This question has not been decided in a South African court. This dissertation proposes the resolution to this …
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A Re-Evaluation and Test of the Distributive Effects of Usury Ceilings and the Role of the Customer Relationship in Usury Theory
… study is to define and correct three serious flaws in the existing literature concerning usury ceilings. These flaws are: (1) a serious misapplication of the role of the customer relationship as posited by Hodgman and Kane and Malkiel, (2) an oversimplification of the distributive effects of …
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Elevated temperature mechanical properties of zirconium diboride based ceramics
… to characterize the strength limiting flaws as a function of temperature. Strength of ZS in argon was controlled by the SiC cluster size up to 1800ºC, and the formation of B-O-C-N phases that bridged SiC clusters above 2000ºC. For ZC, surface flaws introduced during specimen preparation …
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Crack coalescence in molded gypsum and Carrara marble
… consist of either one or two preexisting open flaws, under uniaxial compression. In previous experimental studies, the determination of crack types (shear/tensile) was mainly based on the identification of fractographical features on the crack surfaces. In the present study, a high speed video …
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Testing Primitive Polynomials for Generalized Feedback Shift Register Random Number Generators
… in the 1980's, but was abandoned because of some flaws such as poor performance on certain tests for randomness. The poor performance may be due to the choice of primitive polynomials used in the generators, rather than inherent flaws in the method. The original GFSR generators were all based on …
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Mechanical characterisation of float and laminated glass
… transportation. These processes introduce micro-flaws on the edges and surfaces of the glass. Also, the exposure of glass to mechanical stress, temperature fluctuations, impacts, or improper handling and installation further contributes to the formation of these micro-flaws [3, 4]. The quantity …
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Psychometrics and test-enhanced learning in a patient-centered learning curriculum
… scores.</p> <p>2. Correction of item writing flaws (along with enhancement of tested cognitive level) and replacement or removal of non-functioning distractors equally improves psychometric characteristics of MCQs.</p> <p>3. Repeated testing via free-response items enhances the retention of …
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Crack coalescence in rock-like material under cycling loading
… coalescence. The specimens have two pre-existing flaws which are arranged at different distances and angles. Wing cracks and secondary cracks are observed in both monotonic and cyclic tests. Wing cracks, which are tension cracks, initiate at (or near) the tips of the flaws and propagate parallel …
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Development of Low Expansion Glaze Coatings on As Fired Si₃N₄ to Enhance Room Temperature Flexural Strength
… to external forces, fracture originates at such flaws. To reduce or eliminate surface flaws, machining operations are required which constitute a major proportion of production costs. In order to offer an inexpensive alternative to machining and also to enhance the room temperature flexural …
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Using a Web Server Test Bed to Analyze the Limitations of Web Application Vulnerability Scanners
… not used by web site administrators to scan for flaws. Web application vulnerability scanners are tools that can be used by network administrators and security experts to help prevent and detect vulnerabilities such as SQL injection, buffer overflows, cross-site scripting, malicious file …
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