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 26 for “"Scale Effect"”.
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Frequency-scale effect in elastic periodic muti-layered media
… values at which the medium behaves as an effective anisotropic one. The third goal is to compute the seismic response of this elastic periodic medium. The description of how the wavefield propagates through the medium is given by the solution of the wave equation for elastic media. This …
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Scale Effect; Experience of Scale in Natural Landscapes: A Washington Parks Information Center on Seattle's Waterfront
… interaction between architectural and landscape scale to enhance the experience of obtaining Washington parks information.
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The Effect of Heat Transfer on Turbine Performance
… being cooled in most large gas turbines, the effect this cooling has on their performance is still unclear. Fundamental questions, such as how turbine efficiency should be defined and which flow features reduce performance, remain unanswered. This thesis answers these questions and addresses …
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Firm Finance and Bankruptcy on Empirical Study Using Korean Firm-Level Data
… than that in U.S. Chapter #7. (iv) There is a scale effect, i.e., the bankruptcy costs are inversely related to the size of firm. These results serve as legal parameters of the model and are crucial to study the optimal firm finance."
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The influence of geothermal sources on deep ocean temperature, salinity, and flow fields
This thesis is a study of the effect of geothermal sources on the deep circulation, temperature and salinity fields. In Chapter 1 background material is given on the strength and distribution of geothermal heating. In Chapter 2 evidence for the influence of a hydrothermal system in the rift valley …
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Diagnostic efficiency of the computerized PTSD scale – multimedia version (CPS-M) in assessing posttraumatic stress disorder
… (PTSD) is the Clinician-Administered PTSD Scale (CAPS), a semi-structured interview patterned after the DSM-IV criteria (Blake et al., 1990). The Computerized PTSD Scale – Multimedia Version (CPS-M: Richard, Mayo, Bohn, Haynes, & Kolman, 1997) is a computerized interview that is modeled …
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The influence of geothermal sources on deep ocean temperature, salinity, and flow fields
This thesis is a study of the effect of geothermal sources on the deep circulation, temperature and salinity fields. In Chapter 1 background material is given on the strength and distribution of geothermal heating. In Chapter 2 evidence for the influence of a hydrothermal system in the rift valley …
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Rainfall Organization and Geomorphologic Controls on the Flood Response of Mild-slope Basins in the South Atlantic Region of US
… perspectives. For understanding the basin scale effect, the Tar-River Basin is divided into four cascade sub-basins ranging from 1106 km<sup>2</sup> up to 5654 km<sup>2</sup>. The study evaluates the catchments’ response to rainfall for a large number of storm events by computing the event …
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Experimental studies of scale effects on shear strength, and deformation of rock joints
The effect of scale on shear strength is studied by performing direct shear tests on different sized samples of large joints. A rubber moulding system is used to obtain impressions of the roughness from a variety of natural joint surfaces. A brittle model material is developed and used to cast …
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Essays in Applied Health Economics: Evidence on Health and Health Care in Italy and UK
… Tenreyro (2006). In particular, we focus on the scale effect played by the size of the pool of enrolees. In most of the cases our results are consistent with the predictions of the gravity model. Chapter 4 considers the effects of contractual and working conditions on selfassessed health and …
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Analysis of energy use and carbon emissions from automobile manufacturing
… emissions reduction scenarios to see their effectiveness in reducing energy use or emissions. We find that most of the reduction in emissions intensity in the last few years is likely due to the economies of scale effect, in spite of significant emission reduction efforts by some companies. …
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Transport and adsorption-desorption of heavy metals in different soils
… acidic soils was quantified. Additionally, the effect of introducing Cd and Cu after a Pb pulse in calcareous soil was presented. Modeling of these heavy metals retention and transport was carried out using different models; multireaction and transport model, CXTFIT model, kinetic ion exchange …
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INTEGRATED WATER RESOURCES ASSESSMENT AND MANAGEMENT IN A DROUGHT-PRONE WATERSHED IN THE ETHIOPIAN HIGHLANDS
… four studies in eastern Amhara that examined effectiveness of a range of water management practices. An on-farm study tested effectiveness of subsoiling, open and tied ridges, no till, and conventional maresha tillage to mitigate impact of dry spells on crops and to protect the soil. Tillage …
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Single- and cross-hole pneumatic injection tests in unsaturated fractured tuffs at the Apache Leap Research Site near Superior, Arizona
… by methods that treat the rock as a continuum on scales ranging from meters to tens of meters; (2) this continuum is representative primarily, but not exclusively, of interconnected fractures; (3) its pneumatic properties vary strongly with location, direction and scale, in particular, the mean of …
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Quantifying the interface deformation mechanisms in nanostructured metals with atomic simulations and continuum field representations
… Previous studies have shown that, at nanoscale, interfaces act not only as obstacles of dislocations but also as main sources for dislocation emission. However, due to the lack of proper descriptors for interface structures, it is difficult to quantify the interface-dislocation interaction …
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Morphology and mechanical properties of electrospun polymeric fibers and their nonwoven fabrics
… order of 10 prm or larger). Recently, the length scale effect on physical properties has attracted great attention because of the potential to produce new materials with unique behavior. In general, the behavior of commercial fibers can be investigated by traditional experiments, and that of …
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Terramechanics of Saturated Clays: Assessing Tire Performance Through Experimental and Numerical Approaches
… deformability, and history-dependent effects, leading to non-linear behavior under various loading scenarios. Notably, under the substantial shear loads exerted by the tire, estimating the yielding mechanism and residual strength of the clay is crucial for multipass scenarios. From a …
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Discontinuities in the Icebox Formation (Ordovician), Williston Basin, North Dakota and Montana
… the Icebox Formation interval tend to extend off-scale. A total of 365 gamma-ray curves were extracted from a LogSleuthTM program and converted into a digital format using Surfer™ for Windows. The individual log segments were traced and adjusted to eliminate the off-scale effect. The digitized …
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Magnetoelectric Device and the Measurement Unit
… phenomena: such as search-coil, fluxgate, Hall Effect, anisotropic magnetoresistance (AMR), giant magnetoresistance (GMR), magnetoelectric (ME), magnetodiode, magnetotransictor, fiber-optic, optical pump, superconducting quantum interference device (SQUID), etc. Each of these magnetic field …
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A fracture mechanics approach to the design of fibre-reinforced and hybrid-reinforced concrete structures
L'abstract è presente nell'allegato / the abstract is in the attachment
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