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 35 for “"Laboratory Model"”.
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Establishing Sodalis species as a laboratory model of endosymbionts
… living bacteria to determine its potential as a laboratory model of symbiosis. This was studied via growth curves in different laboratory media, resistance to oxidative stress, antibiotic susceptibility and survival in an experimental host – Galleria mellonella. The difficulties in culturing …
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A laboratory model for the instruction of survey data analysis.
Massachusetts Institute of Technology. Dept. of Urban Studies and Planning. Thesis. 1971. B.S.
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An attempt to develop a laboratory model of superstitious learning of threat
… P. Lovibond et al., 2008) was adapted for a laboratory investigation of superstitious learning using a threat-relevant stimulus (mild electric shock). A series of five experiments using undergraduate participants demonstrated that participants‟ expectations of task structure modulated their …
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Coral calcification : insights from inorganic experiments and coral responses to environmental variables
Coral calcification is examined using a laboratory model and living corals. In the laboratory model, abiogenic aragonite formed at high saturation state (Ω>~20) had a granular appearance and was enriched in trace elements, similar to centers of calcification and dark bands in corals. Abiogenic …
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Modeling diffusion in the Antarctic circumpolar current
… mixing in a rotating fluid, a small scale laboratory model is constructed. An experiment is carried out in a rotating, differentially heated annulus and the evolution of a dye tracer mixed by turbulent motions is studied. Images are analyzed to extract the concentration mappings of tracer …
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Active disturbance cancellation in nonlinear dynamical systems using neural networks
… application of the technique on an acoustic duct laboratory model.</p>
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Development of a Biaxial Testing System for Research of Soft Tissue Biomechanics using Laboratory Models
… elastomer materials that can be used as laboratory models to replicate coronary arteries’ ultimate tensile stress (0.2 - 2.08 MPa). To this end, we developed a biomechanical testing system that allows us to characterize the material properties of small samples with high accuracy and …
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An Underwater Channel Model and Chirp Slope Keying Modulation Scheme Performance
… appendix), allow us to accurately generate a laboratory model for the channel of interest.
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Tikslinis fotovoltinių silicio prietaisų savybių keitimas, panaudojant gilų paviršiaus tekstūrinimą ir dvimatės medžiagos dangas /
… metal and the etching time was demonstrated. Laboratory models of solar cells have been fabricated from black silicon using the sol-gel doping technique. In addition, a formation of pn heterojunction between silicon and a CVD grown two-dimensional molybdenum disulphide layer was investigated …
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Investigation of biofilms in copper tube corrosion and the survival of <i>Legionella pneumophila</i> on alternative plumbing materials
… with reduced biofouling. <br></br><br></br>A laboratory model, using filter-sterilised potable water as the sole carbon source, was developed to investigate the conditions under which corrosion and biofouling was occurring. Biofilm development was demonstrated up to 55°C. At 60°C biofouling …
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Theoretical and experimental investigation of oil recovery by the electrothermic technique
… by the electrothermic technique. A mathematical model was developed for the prediction of reservoir response to heating by alternating electric current flow through the oil-bearing formations. The mathematical model was programmed in FORTRAN for solution on the IBM 370/168. The model used the …
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A photophonic instrument concept to measure atmospheric aerosol absorption
A laboratory model of an instrument concept to measure the absorption of solar radiation by atmospheric aerosols was designed, built and tested. The concept was based on the photophonic phenomenon discovered by Bell and an acoustic resonator developed by Helmholtz. The design consisted of two …
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Water Spreading Under Low Flow Conditions for Vegetated Treatment Area Applications
… water under low flow conditions.<br /> A laboratory model was constructed to test various configurations of level spreading devices. The effectiveness of each spreader was measured across a range of low flow rates. The collected data was statistically analyzed to determine the effect of …
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Spatiotemporal Dynamics of Neural Activity During Human Episodic Memory Encoding and Retrieval
… sophisticated cognitive operation. Using a laboratory model of episodic memory (free recall) and a particularly powerful neuroimaging tool (intracranial EEG), I document the changes that occur in the brain as episodic memories are first formed and then later retrieved. I find that the …
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The design of a 94 GHz high resolution coherent radar
… into a carrier system yet but was built up as a laboratory model and measurements were taken from the laboratory to various objects and distances outside the laboratory. There is only one article in literature [1] which described a 66 GHz collision warning sensor for helicopters. The system is a …
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Application of modal analysis using adaptive schemes of interference cancellation for power line carrier communication systems
… cancellation schemes were also extended on a laboratory model of power line, which was designed based on Modal Analysis. The development of these techniques can help in providing extra attenuation to the PLC signal at the busbars and hence the power industry could use the same frequencies on …
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Hollow Plume Mitigation of a High-Efficiency Multistage Plasma Thruster
… a dip in ion current along the centerline. A laboratory model, built at JPL, was run at Cal Poly to characterize this plume shape and implement a shield to restore a conical shape to the plume. A similar solution was used on a different type of thruster, a cylindrical hall thruster, at …
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Syntrophic relationships between algae and bacteria in a fresh-water stream and in culture /
… were examined in a natural stream habitat and a laboratory model. Field observations provided circumstantial evidence, in statistical correlation for syntrophy between the microbial populations. This relation is probably subject to control by the temperature and pH of the aquatic environment. …
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Systems analysis of stress response in plants
… to unravel this complex stress response in laboratory model plants like Arabidopsis and crop models like rice. Such an understanding, especially at the cellular level, will aid in informed engineering of stress tolerance in plants. We have developed and used integrative functional genomics …
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Microbial community structure and dynamics on patchy landscapes
… of microns. I then employ a simple, two-strain laboratory model system to link (cooperative) inter-species interactions at local scales to emergent properties at larger scales, focusing on spatially connected meta-communities undergoing range expansions into new territory. This work encompasses …
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