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 11 of 11 for “"Electron micrograph"”.
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Ozone Inactivation and Attachment of Listeria Monocytogenes to Abiotic Surfaces
… for attachment and biofilm development. Scanning Electron Micrograph observations of L. monocytogenes gown on stainless steel chips for 24 hours and four days showed many cell aggregates formed on the surface, however no matrix of exopolymeric substances was seen.
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Studies on Cell Membrane Ultrastructure, and the use of the Freeze-Fracturing Technique in Electron Microscopy
… in execution, involves microdensitometry of electron micrograph negatives and certain mathematical manipulation of the optical density data.
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Lipsome encapsulated antimicrobial metal ions and essential oils
… systems to effectively lower the MLC. Scanning electron micrographs of microorganisms exposed to Ag+ showed a reduction in cell size when compared to untreated cells. Transmission electron micrograph of C. albicans showed the cell surface damaging potential of Ag+. Furthermore, this …
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Investigation of a new focus of Cutaneous Leishmaniasis in Ghana
… enriettii. The transmission and the scanning electron micrograph evidence of the parasite confirmed their Leishmania identity. A peroxidoxin-based simple field friendly antigen detection test device was found diagnostically sensitive to Ghana species (GH5) and the other species of Leishmania …
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Learning image segmentation and hierarchies by learning ultrametric distances
… complete neural networks from densely stained 3d electron micrographs of brain tissue. The computer science contribution is a new machine learning method for image segmentation and the development of a new theory for supervised hierarchy learning based on ultrametric distance functions. It is …
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Influence of head-moisture treatment on functional, colour and thermal properties of bambara ground-nut starch
… (HMT 35). Information obtained from scanning electron micrograph indicates oval and round shape for bambara starch granules, with varying sizes. The range of the granule size width was 4.2 – 4.7 mm and 10 μm for length. The modified starches showed some changes in granule morphology as they …
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Generation of Multi-Scale Thermoplastic Composites for Use in Injection Molding and Fused Filament Fabrication
… injection-molded WTCs with no CNTs. Scanning electron micrograph (SEM) images were used to understand the enhancement. The second part of this work is to extend the scCO2 aided in situ multi-scale WTCs processing technology to dual-extrusion and FFF. Multi-scale WTC filaments, which consists …
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Study of ultranarrow superconducting NbN nanowires and nanowires under strong magnetic field for photon detection
… pulse due to its now-finite resistance. An electron micrograph is given in figure 1. The intrinsic limitations of the detector (disregarding the optical coupling mechanism and the support electronics) are dominated by two primary points. First is the efficiency with which the detector …
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Molecular weight growth pathways in fuel-rich combustion
… was used to obtain soot samples for transmission electron micrograph analysis. Software was written and used to obtain soot particle sizes from electron micrographs. The chemical environment in a fuel-rich flame consists of many hundreds of species and thousands of chemical reactions. To isolate …
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Geo-tiles: manufacturing tiles from copper mine tailings using geopolymerisation
… include observations by both scanning electron micrograph and energy dispersive spectroscopy indicating that geo-tiles comprised sodium aluminosilicate hydrate geopolymeric gel. Furthermore, the embodied specific energy of geo-tiles (10.86 kWh/m2) is lower than that for both porcelain …