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 61 for “"LSP"”.
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A Study of Thermal Stability of Residual Stresses and Fatigue life of Laser Shock Peened Ti-6Al-2Sn-4Zr-2Mo alloy
… a study of the effects of laser shock peening (LSP) on residual stress generation, thermal stability of the LSP induced residual stresses and the associated fatigue strength enhancement in the temperature range of (315°C-538°C;600°F-1000°F) the aerospace alloy Ti-6Al-2Sn-4Zr-2Mo (Ti-6242). LSP …
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Characteristics and outcome of long-stay patients in a paediatric intensive care unit in Cape Town, South Africa
… basis for the definition of a long-stay patient (LSP) in a South African paediatric intensive care unit (PICU); to review the characteristics and outcomes of the patients who comply with the LSP definition; to assess the proportion of resources allocated to the LSP cohort; and to determine if the …
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Corn planting strategies in the United States Corn Belt
… Using relative elevation data, landscape (LSP) zones were delineated to partition soil moisture variability into dry, transitional, and wet LSP zones. The corn yield response to shallow, standard, and deep seeding depths in dry, transitional, and wet LSP zones was tested. It was …
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Effects of Laser Shock Peening on Residual Stress, Texture and Deformation Microstructure of Ti-6Al-4V Alloy
Laser shock peening (LSP) is a novel surface treatment process that generates deep compressive residual stresses and microstructural changes and thereby dramatically improves fatigue strength of critical metal aircraft engine parts. In the past, researchers have evaluated the mechanical effects of …
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Microstructure and mechanical properties of laser shocked iron-based alloys
The effects of laser shock processing (LSP) on the microstructure and mechanical properties of the low carbon (0.04 wt.%C) and Hadfield manganese (1%C and 14%Mn) steels have been studied. LSP was performed with a 1.054 $\mu$m wavelength Nd:phosphate laser operating in a pulse mode (600 ps pulse …
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A Study of the Effects of Laser Shock Peening on Residual Stress, Microstructure and Local Properties of IN718 Ni-Base Superalloy
… this project effects of Laser shock peening (LSP) on two aero engine alloys, IN718 and IN718 SPF were studied. The primary goal of the program was to secure required fundamental knowledge of e impact of LSP process parameters on these two aero engine alloys and thereby advance the science and …
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A tale of two courses: exploring the relationship between identity, modern language, and career aspirations of undergraduate students in language for specific purposes classrooms
… Through two language for specific purpose (LSP) classrooms, questions explore personal identity, Spanish major and minor connections, and how Spanish connects to career aspirations. This also explores the professor’s perspective with her personal identity, Spanish connection, and experience …
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The Effects of Laser Shock Peening on the Residual Stress and Corrosion Characteristics of Magnesium Alloy AZ91D for use as Biodegradable Implants
… stress on a material is Laser Shock Peening (LSP). Laser Shock Peening is a material process in which a high-pulsed laser creates a pressure shock wave that travels through the depth of the material, leaving high levels of compressive residual stress through its depth.This thesis will present …
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Optimización de campos de tensiones residuales en procesos de tratamiento superficial de materiales metálicos mediante ondas de choque generadas por láser
La tecnología LSP se considera en la actualidad como una técnica emergente para la mejora de propiedades de resistencia mecanica de materiales metálicos de Ínteres estrategico cuyo desarrollo con vistas a su implantacián a nivel industrial es objeto de estudio en importantes laboratorios y centros …
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Loss Concealment for Low -Bit -Rate Packet Voice
… Log Area Ratio, and Line Spectral Pair (LSP), by their reconstruction qualities, and have found that the LSP representation performs the best. Finally, we have studied LSP reconstructions and enhancements on excitation quality. Extensive tests on FS CELP, ITU G.723.1, and FS MELP under …
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Drought Monitoring with Remote Sensing Based Land Surface Phenology Applications and Validation
… satellite-derived land surface phenology (LSP) to field observations of crop stages at the Maricopa Agricultural Center to achieve a better understanding of the temporal sensitivity of satellite derived phenology of vegetation and understand their accuracy as a tool for monitoring change. …
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Time-domain and harmonic balance turbulent Navier-Stokes analysis of wind turbine aerodynamics using a fully coupled low-speed preconditioned multigrid solver
… novel approach to low-speed preconditioning (LSP) for the multigrid fully coupled integration of the steady, time-domain and harmonic balance RANS equations coupled to the two-equation shear stress transport (SST) turbulence model. The design of the LSP implementation is such that each part of …
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Elucidation of the pathways underlying the spectrum of cancers affecting different tissues in lynch syndrome
… triaged as likely LS (LLS) or likely sporadic (LSp), with computational analyses providing molecular insights into the subtypes of LS-associated cancers. Key analyses included differential expression, pathway enrichment, kinase activity, mutational signatures, and drug sensitivity assessments to …
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Photochemical Tuning of Surface Plasmon Resonances in Metal Nanoparticles
… (so-called localized surface plasmons or LSPs) which facilitate concentrating light-matter interactions to length scales below the diffraction limit. Part I of this book describes two applications of this confinement effect. Firstly, the use of single particles as optically active probes …
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Strategic Logistics Outsourcing:Integrated Models for Evaluating and Selecting Logistics Service Providers (LSPs) Upstream/Downstream Supply Chain Comparison
… and selecting Logistics Service Providers (LSPs). The growing demand for logistics outsourcing and the increase in the number and type of LSPs highlight the increasing importance of the LSP evaluation and selection process. Firms use various approaches to evaluate and select their LSP …
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Polyelectrolyte multilayers for plasmonics and picosecond ultrasonics
… of light-induced localized surface plasmons (LSP) of rod-shaped gold nanoparticles with the particles' environment. The environment consists of an air phase and a phase of polyelectrolytes, whose ratio affects the spectral position of the LSP resonance. Measured UV-VIS spectra showed the shift …
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The Influence of Location of Firm Ownership on Consumers
… In this research, a local shopping preference (LSP) scale that measures one's preference for shopping at locally-owned stores is proposed, developed, validated, and shown to be strongly related to consumer social responsibility. Next, localness, as a store selection criterion, is measured …
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Manipulation of Light-Matter Interaction in Two-Dimensional Systems via Localized Surface Plasmons
Localized surface plasmons (LSPs), which are collective charge oscillation confined by metallic nanoparticles, gained much interest in the field of optoelectronics due to its ability to confine light down to nanoscale without a diffraction limit. As light-matter interaction in nanoscale is becoming …
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Plasmon supported defect absorption in amorphous silicon thin film solar cells and devices
… This is caused by the localized surface plasmon (LSP) resonances that are excited upon interaction of light with the nanostructures. By combining silver nanoparticles (Ag NPs) with amorphous silicon photovoltaic devices the influence of the enhanced fields on the amorphous silicon absorption is …
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Bilingualism in a functional perspective : the language and content learning of immigrant entrepreneurs
… case study raises problematic questions for both LSP (Language for Specific Purposes) research and bilingual code-switching research. There were two purposes: (1) to study the functional variation of discourse in the educational program and the operation of small business; and (2) to investigate …
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