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Small power, three to one phase matrix converter for wind generatorsNicolae, DV, Richards, CG, Ehlers, P 10 April 2010 (has links)
Abstract-
This paper will investigate the use of a three-to-one Matrix
converter to synchronize the electrical energy and condition the
output of the wind generator. A Matrix converter is a direct ACAC
solution, removing the need for large smoothing capacitors in a
typical rectifier/inverter solution. This paper will briefly review
the Matrix converter operational theory. A simulation and the
practical results of a three-to-one phase matrix converter for
varying input frequencies are also presented. The conclusion
shows that the proposal is a viable solution for small power wind
harvesting.
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Conics and geometryJohnson, William Isaac 05 January 2011 (has links)
Conics and Geometry is a report that focuses on the development of new approaches in mathematics by breaking from the accepted norm of the time. The conics themselves have their beginning in this manner. The author uses three ancient problems in geometry to illustrate this trend. Doubling the cube, squaring the circle, and trisecting an angle have intrigued mathematicians for centuries. The author shows various approaches at solving these three problems: Hippias’ Quadratrix to trisect an angle and square the circle, Pappus’ hyperbola to trisect an angle, and Little and Harris’ simultaneous solution to all three problems. After presenting these approaches, the focus turns to the conic sections in the non-Euclidean geometry known as Taxicab geometry. / text
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Essential surfaces in hyperbolic three-manifoldsLeininger, Christopher Jay 28 April 2011 (has links)
Not available / text
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Totally geodesic surfaces in hyperbolic 3-manifoldsDeBlois, Jason Charles, 1978- 18 August 2011 (has links)
Not available / text
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Reid-Shea,Theresa_SchoolCounsellingandPsychology_InvestigatingtheuseofaTierThreeReadingIntervetionwithStrugglingReaders_November_20152015 November 1900 (has links)
This investigation used a one-group pretest-posttest design to examine the relationship between a tier three reading intervention program (i.e., a program designed for students that have failed to respond to regular (tier one) and resource (tier two) supports), and grade-level reading gains, as measured using the Fountas and Pinnell Benchmark Assessment System (Fountas & Pinnell, 2010), for 140 students between grades two and four. All students included in this study began well-below their expected grade-level in reading (i.e., two or more grade-levels below). In order to describe the gains made in grade-level reading ability, the Fountas and Pinnell Benchmark Assessment System (Fountas & Pinnell, 2010) was used pretest and posttest to track reading gains. Results from descriptive statistics, Kruskal-Wallis H tests, Mann-Whitney U tests, t-tests, and a multiple regression were indicative of positive reading gains. Approximately 74% of participants achieved grade-level reading gains that had the potential to close the reading gap (i.e., 0.75 grade-levels or more as measured using the Fountas and Pinnell Benchmark Assessment System (Fountas & Pinnell, 2010)). These results were similar for all participants regardless of gender, diagnosis status (i.e., garden-variety poor reader, physical disability, and learning/attentional disability) or first language status (i.e., English as an additional language or English). This study provides preliminary evidence that this intervention is improving reading outcomes for tier three students. Moving forward, stakeholders of this division would be encouraged to develop a well-designed, structured mixed-methods research study with standardized assessment measures and planned follow-up.
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Home range, density and habitat preference of the bobcat on the Three Bar Wildlife Area, ArizonaLawhead, David Neil January 1978 (has links)
No description available.
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Probabilistic frameworks for single view reconstruction using shape priorsChen, Yu January 2012 (has links)
No description available.
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Texture ambiguity and occlusion in live 3D reconstructionMcIlroy, Paul Malcolm January 2013 (has links)
No description available.
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Rapid 3D model reconstruction from a single cameraPan, Qi January 2012 (has links)
No description available.
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Partial social cost benefit analysis of Three Gorges Dam: impact assessment update and a greenhouse gas externality component studySun, Qian 10 December 2013 (has links)
This study reviews the literature and updates qualitative and quantitative impacts based on new research and applies a partial greenhouse gas (GHG) emissions cost benefit analysis to the Three Gorges Dam Project (TGDP) in China. The results of CBA suggested a 22.305 billion dollars net present value (using Nordhaus’s 2007 optimal carbon price trajectory with assumed average social discount rate (SDR) of 4% assumptions) and a 440.324 billion dollars net present value (based on Nordhaus’s Model using Stern’s assumption with 1% SDR). This sensitivity analysis indicates that social discount rates highly affect the final results. This study extends the GHG emissions impact component by updating carbon prices and calculation methods, thereby updating the GHG component of Morimoto and Hope’s 2004 study. Although the CBA is limited to the GHG component, a review of recent literature and preliminary impact analysis provides the groundwork for a more comprehensive analysis for future study.
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