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GTETD 檢索結果共 3958 筆,本頁資料從第 145 筆到第 156 筆

An educational framework proposed by Chi (2009) aims to link overt study activities with outcomes via the underlying cognitive processes experienced by learners. Activities are classified along a continuum of passive, active, and constructive . Overt activities¬such as reading, highlighting, and self-explainingare grouped according to the hypothesized cognitive process....

By Keith R Bujak-Psychology-GIT-masters-2010-09-16
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Flora and fauna from terrestrial and marine environments provide libraries of natural compounds for drug discovery. The last four decades have seen major advances in ocean exploration that have allowed chemists and biologists to explore previously inaccessible and rare marine organisms. The study of under-explored marine organisms can result in the discovery of structur....

By Elizabeth Paige Stout-Chemistry and Biochemistry-GIT-doctoral-2010-09-15
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When there are a large number of predictors and few observations, building a regression model to explain the behavior of a response variable such as a patient's medical condition is very challenging. This is a $``pgg n"$ variable selection problem encountered often in modern applied statistics and data mining. Chapter one of this thesis proposes a rigorous procedure whi....

By Soyoun Park-Industrial & Systems Engineering-GIT-doctoral-2010-09-14
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It has been proposed that the Asian-Australasian monsoon system is influenced by large-scale sea-surface temperature (SST) variability in the three tropical oceans although how this influence is manifested has remained a largely open question. Closure of this issue is important because it is needed to explain trends in monsoon precipitation and circulation that have occ....

By Sara C. Vieira Agudelo-Earth & Atmospheric Sciences-GIT-doctoral-2010-09-09
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The city of Shanghai was transformed from a treaty port of around half a million people when the British first arrived after the end of the Opium War to become the most populous, prosperous, and cosmopolitan metropolis in China by the early 20th century. The development of public transportation systems contributed significantly to the urban expansion and growth of the c....

By Fang Zhou-History, Technology and Society-GIT-doctoral-2010-09-03
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Industrial and military vehicles, including trucks, tanks and others, employ cooling systems that address passenger cooling and auxiliary cooling loads ranging from a few Watts to 50 kW or more. Such systems are typically powered using vapor-compression cooling systems that either directly supply cold air to the various locations, or cool an intermediate single-phase co....

By Daniel Lee Golden-Mechanical Engineering-GIT-masters-2010-09-02
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This thesis describes the design, fabrication and characterization of AlGaN/GaN Heterostructure Field E ect Transistors (HFETs) grown by a Metal Organic Chemical Vapor Deposition (MOCVD) on sapphire substrates. The objective of this research is to develop AlGaN/GaN power devices with high breakdown voltage (greater than 1 kV) and low turn-on resistance. Various characte....

By Bravishma Narayan-Electrical and Computer Engineering-GIT-masters-2010-09-01
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The object of the present research is to design and fabricate metal-dielectric thin film multilayer structures that make use of the nonlinear optical (NLO) response of Ag for efficient nonlinear absorption for sensor protection. These structures employ structural resonances to overcome the challenges of reflection and absorption that limit access to this large NLO respo....

By Daniel Thomas Owens-Electrical and Computer Engineering-GIT-doctoral-2010-09-01
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In the multidisciplinary design process, design documents are used to help support a teams design and mediate any misunderstandings that occur. Current methods of organizing such design documents are either difficult to keep up to date physically with their digital versions, or inhibit distributed users access to important comparative information. Digital tag and conten....

By Natasha Powell-Industrial Design-GIT-masters-2010-08-31
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Liquefiable soils are common at ports due to the use of hydraulic fills for construction of waterfront facilities. Liquefaction-induced ground failure can result in permanent ground deformations that can cause loss of foundation support and structural damage. This can lead to substantial repair and/or replacement costs and business interruption losses that can have an a....

By Laura Marie Spencer-Civil & Environmental Engineering-GIT-doctoral-2010-08-31
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This thesis proposes a framework to design and analyze sustainability within complex urban transportation systems. Urban transit systems have large variability in temporal and spatial resolution, and are common in lifecycle analyses and sustainability studies. Unlike analyses with smaller scope or broader resolution, these systems are composed of numerous interacting la....

By Kyle Kellogg Azevedo-Mechanical Engineering-GIT-masters-2010-08-30
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This thesis investigates the generation of second harmonic bulk waves in the presence of a free boundary. Second harmonic waves have proven to be useful in the field of nondestructive evaluation to detect fatigue in a material at an early stage. Since most experimental setups include a free surface, the influence of such a boundary is of significant practical interest. ....

By Frank Alexander Bender-Civil & Environmental Engineering-GIT-masters-2010-08-30
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