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 45 for “"in-situ analysis"”.
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In-situ analysis of polymer film coats using AFM and thermal probe methods
The in-situ analysis of pharmaceutical solid dosage forms films is of great interest to pharmaceutical research, especially with the drive towards continuous processing compared to batch processing requiring either in-line or on-line analysis of pharmaceuticals. The size and shape of many solid …
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Implementing Electrochemical Impedance Spectroscopy for the In Situ Analysis Of Conducting-Membrane Fouling
… natural resource scarcity and industrial productivity continue to rise, membrane filtration technologies provide a compelling solution for the production of clean water. Membranes are versatile, energy-efficient, and highly effective, yet they suffer from the indomitable problem …
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Development Of A Field-Portable Miniature Mass Spectrometer Designed For In-Situ Analysis And Ion Trap Miniaturization
<p>Chemical analysis by mass spectrometry has become the gold standard due to the sensitivity, selectivity, and short analysis times that are afforded by the method. Advances in miniaturized vacuum systems, mass analyzers, electronics, and ionization sources have allowed for the development of …
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Microstructural effects on capacity-rate performance of vanadium oxide cathodes in lithium-ion batteries
Vanadium oxide thin film cathodes were analyzed to determine whether smaller average grain size and/or a narrower average grain size distribution affects the capacity-rate performance in lithium-ion batteries. Vanadium oxide thin films were prepared by sputtering onto ITO-coated glass substrates …
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Design, Fabrication, and Testing of a Proprioceptive Electroadhesion Pad for Space Applications
… electroadhesion mechanism with the goal of providing controlled electrostatic adhesion to objects with little known surface finish, of varying curvature, and different materials. The main purpose of the mechanism is that of ensuring a soft docking, controlled in closed loop, for attachment to …
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Development of Dielectric Spectroscopic Resonant Sensors for Biomedical and Industrial Applications
… of resonant dielectric sensors that utilising alternating electric fields at microwave frequencies. Characterisation and identification of biological samples is currently an expensive and time consuming procedure due to the extreme variation of seemingly similar biological systems. The work …
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AnalyzeThis: An Analysis Workflow-Aware Storage System
Supercomputing application simulations on hundreds of thousands of cores produce vast amounts of data that need to be analyzed on smaller-scale clusters to glean insights. The process is referred to as an end-to-end workflow. Extant workflow systems are stymied by the storage wall, resulting from …
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Development and deployment of a novel deep-sea in situ bubble sampling instrument for understanding the fate of methane in the water column
… is a potent greenhouse gas that is often found in a solid, hydrate clathrate form in marine sediments along continental margins and will often escape from the seafloor and rise through the water column as bubbles. The estimated marine methane hydrate inventory is over 600 times greater than the …
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Development and deployment of a novel deep-sea in situ bubble sampling instrument for understanding the fate of methane in the water column
… is a potent greenhouse gas that is often found in a solid, hydrate clathrate form in marine sediments along continental margins and will often escape from the seafloor and rise through the water column as bubbles. The estimated marine methane hydrate inventory is over 600 times greater than the …
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Physical and chemical characterization of single atmospheric aerosols: Laboratory studies of interactions of acidic trace gases with sea -salt aerosols, and, Development efforts for an aerosol charging system using a corona discharge
<p>There has long been an interest for in situ analysis of single atmospheric aerosols. To this end, the Flytrap instrument was developed under a NASA Phase I and Phase II Small Business Innovative Research Grant. The centerpiece of the instrument was a spherical void electrodynamic levitator that …
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In-Situ Spectrocopy: Gas Mixture Analysis Using A Simplified Multi-Pass Capillary Cell and Optical Considerations In Dual-Pulse Laser-Induced Breakdown Spectroscopy Analysis of Bulk Aqueous Solutions
<p>This thesis describes two methods investigated for their uses as tools for in-situ spectroscopy. As knowledge in the Chemical Sciences as well as technology progress, scientific questions are encountered that require analyses to be performed in-situ due to concerns that sampling and sample …
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A demonstration of holes in the unified security in the internet of medical things
The internet of medical things (IoMT) is a subset of the internet of things focused on medical devices. Its ecosystem is comprised of everything from disposable wearable devices that cost tens or hundreds of USD to hospital equipment worth thousands of USD. As with virtually every facet of the …
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Quantifying the influence of iodine value on pork quality
Pork belly composition and bacon cooking performance are primary considerations for overall belly quality. To date, no technology exists to objectively measure these attributes simultaneously. Lab-based measurements of these characteristics are laborious, destructive, and time-consuming. Rapid …
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Quantifying the influence of iodine value on pork quality
Pork belly composition and bacon cooking performance are primary considerations for overall belly quality. To date, no technology exists to objectively measure these attributes simultaneously. Lab-based measurements of these characteristics are laborious, destructive, and time-consuming. Rapid …
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Numerical Techniques for the Noninvasive Assessment of Material Properties and Stresses in Soft Biomaterials
<p>The noninvasive measurement of finite displacements and strains in biomaterials by magnetic resonance imaging (MRI) may be shown to enable mathematical estimates of stress distributions and material properties within structures of the body such as articular cartilage or the intervertebral disc. …
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Hydroxyl functionalities of middle rank british coals
Most of the new processes involving the utilisation of coal are based on hydroliquefaction, and in order to assess the suitability of the various coals for this purpose and to characterise coals in general, it is desirable to have a detailed and accurate knowledge of their chemical constitution and …
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Understanding Structure-Property Relationships for Impact Polystyrene
The understanding of impact polystyrene structure-property relations was previously limited to ex situ analysis. Developing in situ analysis methods for morphology development and interfacial tension characterization would enhance fundamental understanding of the multi-component, multi-phase impact …
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