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 89 for “"edge effects"”.
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Investigation of edge effects in thermoacoustic couple measurements
… that were located along the leading and trailing edges of the TAC plates. Because of its proximity to the edge, the thermopile may have been sensitive to effects which, though perhaps causing local deviations in the temperature profile, do not affect the temperature profile in interior regions of …
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Modeling edge effects of mesa diodes for silicon photovoltaics
… has been to determine the influence of edge conditions on the overall performance of mesa diodes under dark and illuminated conditions. Mesa diode arrays are fabricated on crystalline silicon solar cells. They are an array of small area solar cells that are electrically isolated from one …
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Anomaly edge effects in thermographic nondestructive testing of polymeric composite sandwich panels
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
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Nonlinear analysis of free-edge effects in laminated composites under axial loading
… relations is developed to study the free edge problem of composite laminates. Numerical results are presented to show the difference between the results of the nonlinear and the linear analyses. It is observed that the stresses obtained in the nonlinear analysis differ from the stresses …
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Inspiring creativity: creating edge effects through partnerships with museums, galleries and arts practitioners
… study has been to examine the teaching of knowledge and understanding of art to Key Stage I-3 pupils (aged 5 to 14 years) in the West L Midlands. It was hypothesised that since the introduction of the National Curriculum, MO pupils with Special Educational Needs (SEN) would find more …
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The impact of edge-effects on aerial insectivorous bat assemblages in the Amazon
Edge effects, the abiotic and biotic changes associated with habitat boundaries, are amongst the most important factors determining a species’ distribution in human-modified landscapes. Bats are the second most diverse mammalian order, however many species are not targeted in studies on …
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Analysis of free-edge effects in composite laminates by an assumed-stress method.
Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics. Thesis. 1970. M.S.
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Elimination of Edge Effects Using Spline Wavelets Which Maintain a Uniform Two-Scale Relation
… problems with error near boundaries, called edge effects. For multiresolution analysis on a finite interval which employ the piecewise linear B-wavelet the present research provides a frontal approach to decomposition which avoids truncation of weight sequences, experiences no error at …
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The investigation of edge effects within ragmented forest islands in Short Hills Provincial Park
… It has also been observed that elevated areas of edge habitat occur within fragmented landscapes. Spatial and temporal edge effects were investigated in four areas designated as Nature Reserve Zones within Short Hills Provincial Park, near St. Catharines, Ontario. Random sampling along exposed …
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Atomistic modeling of graphene-catalyst interface and graphene edge effects on near melting temperature substrates
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01
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An emperical study of diffusion: The role of particle size, particle shape, gravity, and edge effects
… data did not. Gravity, particle geometry, and edge effects are suspected of affecting the rate of diffusion as suggested by its demonstrated influence on the Brownian motion of colloidal particles.
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Living at the Edge: Effects of Forest Edges on Populations of White -Footed Mice (Peromyscus Leucopus)
To reconcile the apparent contradiction between these results and studies that reported a negative relationship between white-footed mouse density and woodlot area, I reanalyzed the data from the most extensive of these studies. This revealed that the addition of a 7.5 m boundary strip to the …
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The edge effects of mango farming on flower visitor insect communities and epigeal ant species in Northern-Eastern South Africa
This study investigates issues of gender inequality at the workplace within the Department of Education in Thulamela municipality, Vhembe district. Gender inequality is a persisting problem that hinders equal participation of males and females both economically and politically. The study further …
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The influence of aspect and forest edge effects on the ecology of the wood ant, Formica rufa L. (Hymenoptera: Formicidae)
… ecological processes through exposure to edge effects, is detrimental to many taxonomic groups, including insects. This research aimed to determine the influence of edge effects on the ecology of the wood ant, Formica rufa L. through an intensive study of a single site in Northamptonshire. …
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Soundscapes of Sumatra: an analysis of the susceptibility of vocal fauna to ecological edge effects within a historically disturbed lowland forest, Sumatra, Indonesia.
… change. In highly degraded forest areas, edge effects in combination with microclimate variation and anthropogenic disturbance can influence the species composition of both flora and fauna and can cause losses in biodiversity and ecosystem resilience. Soundscape analysis can assess the …
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Optimizing the efficiency and filter area of the SurgiBox Environmental System by redistributing effective media area across filter length
… to air flow. It was found that, neglecting edge effects, the pressure drops (at a defined velocity) of the filter follow a linear trend across the length of the filter. However, these models also show that edge effects lead to significant air flow inconsistencies revealing that if these edge …
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Development of spintronics devices and Type 1 heterojunctions from graphene nanoribbon superlattices
Graphene physics and edge effects have a substantial influence on the electronic structure of graphene based nanomaterials. In this work, a detailed investigation of the edge effects of graphene nanoribbon superlattices is implemented in order to guide the discovery, design, and development of …
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