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 19 of 19 for “"High cross"”.
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ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΑΝΤΟΧΗΣ ΤΩΝ ΨΕΥΔΟΜΟΝΑΔΩΝ ΣΤΑ ΑΝΤΙΒΙΟΤΙΚΑ
… BY 14 SELECTED PSEUDOMONAS STRAINS, WITH HIGH CROSS-RESISTANCE TO CARBENICILLIN AND CEFSULODIN, WAS PERFORMED BY THE MACROIODOMETRIC METHOD. THE TYPE OF ENZYME PRODUCED WAS DETERMINED BY THE ISOELECTRIC FOCUSING METHOD. (SHORTENED)
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CEνNS in Natural Zinc Superconductors and its Applications for Nuclear Non-Proliferation
… to settle this debate due to its abnormally high cross-section. This thesis presents a feasibility study for the use of CEνNS detection using zinc superconductors for nuclear non-proliferation. To address this question, this thesis is broken down into two case studies: identifying the …
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Auto-commissioning and Resource Allocation Based Control of Smart Lights
… it failed to achieve uniform lighting when the cross-illumination effects were very high. To overcome this, a centralized resource allocation based control strategy, inspired by a very simple concept of juggling of balls, was implemented. It was found to be very effective even in cases with high …
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Moxon based RFID tag reader and GPS antenna
… UHF frequencies require antennas with wide band, high forward gain, low backward radiation, high cross-polarization, small size and low manufacture cost. The Moxon antenna based on a two element Yagi-Uda antenna over the ground reflector is one of the most favorite antennas for HAM operators which …
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Multiple reflector scanning antennas
… low aperture efficiency and poor side lobe and cross polarization performance. This dissertation introduces a new approach to the design of scanning spherical reflector systems, in which the performance weaknesses of high cross polarization and high side lobe levels are avoided. Moreover, the …
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Density gradient procedures for the selection of synchronous cells of Synechococcus lividus and Chlorella sorokiniana, and the application of the isopycnic technique to the study of the patterns of phosphoribosylglycinamide synthetase during the cell cycle of Chlorella
… number increasing in a short division time and a high cross-wall index (85%). Because the density of the green alga Chlorella sorokiniana appears to increase during the cell cycle, synchronous cultures of this organism were successfully selected with isopycnic centrifugation. The enzyme …
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Polyurethane foams containing renewable castor oil replacement
… replacement. At the same time, the influence of cross-linker contents and isocyanate index on flexible foam was studied. Considering the low reaction rate of castor oil during the synthesis of polyurethane, a specific "heated mold" method was applied. Density, compression force deflection (CFD), …
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Investigations into Optically Controlled Phase Contrast, Polarisation Switchable Narrow Band RF Detection Techniques.
… modelling, construction and deployment of a high cross-polar isolation, patch antenna is then described. An antenna with single symmetrical forward lobes (on both polarisation planes) and low back radiation pattern was devised so enabling sensing from a single coincident point. With the …
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Piecing Together the Triassic/Jurassic Stratigraphy Along the South Flank of the Uinta Mountains, Northeast Utah: A Stratigraphic Analysis of the Bell Springs Member of the Nugget Sandstone
… Bell Springs Member and the overlying unnamed cross-bedded member, typically believed to be Navajo Sandstone equivalent. These two units of the Nugget Sandstone are thought to represent the Glen Canyon Group of the Colorado Plateau, although no obvious Wingate or Kayenta Formation equivalents …
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The role of tapasin and its isoforms in antigen presentation and tumor immunity
… that isoforms 2 and 3 would function in MHC-I cross-presentation of exogenous antigens in non-ER compartments. Isoform 2, like isoform 1, was found to be mainly ER-localized; however, both these isoforms were also found to co-localize in smaller amounts with the trans Golgi network and …
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Competitive Enzyme Immunoassay by Polyclonal Antibodies Against Organophosphorus Pesticides
… of pesticides in use today because they are highly effective and less toxic. Because of their extensive use, there is a need for monitoring OPs in water and vegetables. Gas chromatography (GC) is the usual method for OPs screening, but it is time-consuming and has the high cost of …
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Examination Of Methods To Reduce Membrane Fouling During Dairy Microfiltration And Ultrafiltration
… end of the membrane that results from using high cross-flow velocities (5 - 7 m/s) to mitigate overall membrane fouling. Contrary to theoretical cumulative SP removal percentages of 68%, 90%, and 97% after 1, 2, and 3 stages of 3X MF processing, respectively, the 3X Isoflux process removed …
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Fluctuation induced cross-field transport in Hall thrusters and tokamaks
… poorly understood is the transport of particles across magnetic field lines at rates significantly higher than predicted by theory exclusively based on collisions. This "anomalous" transport is observed in many different classes of plasma experiment. Notably, both magnetic confinement fusion …
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The archaeology of early medieval borderscapes: a case study of south-west Osraige
… sites, some of which were later augmented by high crosses which have been interpreted as having a role in expressing the sovereignty of the kingdom of Osraige. The study considers changes in how this borderscape was used and perceived over the course of the early medieval period. Through the …
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Biphasic Cellulose Acetate/Rtil Membranes And Functionalized Graphene Adsorbents For Natural Gas Processing: Experimental And Molecular Simulation Studies
… main objectives of this study are separation of high value hydrocarbons such as propane (c3h8) from natural gas and carbon dioxide (co2) separation from light gases such as nitrogen (n2) and methane (ch4). To achieve these goals, supported ionic liquid membranes (silms), biphasic membranes, and …
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Essays on empirical industrial organization
… United States. Retail gasoline markets feature high cross-sectional price dispersion and asymmetric cycles in price dynamics, two puzzling phenomena that have gone unrelated largely because the literature defines price cycles at the market level. The aim of this chapter is to identify different …
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Study of Hybrid Cellulose Nanocrystals in Polymeric Nanocomposites
… have been studied including multilayer and crosslinking to produce CNC-based films with functional properties. In these studies, the effect of hybrid i.e., a mixture of high aspect ratio CNCs (tunicate-based CNCs) with low aspect ratio CNCs (wood-based CNCs) on the improvement in the …
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The Influence of Structure and Surface Biochemistry on Cell Function and Angiogenesis in Collagen Scaffolds
… hydrochloride cross-linking in the presence of N-hydroxysuccinimide (EDC/NHS) at concentrations ranging from 0 to 100% of standard conditions (SC) reported widely in the literature. Cell behaviour was quantified using cell metabolic activity, cytotoxicity, …
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Ligand-receptor interactions of Gonadotropin-releasing hormone antagonists
… site directed mutagenesis and photoaffinity cross/inking of the receptor with a labelled GnRH analog. With the aim of identifying residues involved in ligand binding, the relative affinities of five peptide and one non-peptide GnRH antagonists towards three closely related mammalian GnRH …