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.
Results
Showing 1 to 20 of 2347 for “"electrode"”.
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Noise in electrode systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Geology and Geophysics, 1963.
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The micro-optical ring electrode: a new and novel electrode system for photoeletrochemistry
… sensor, the micro-optical ring electrode (MORE), is described. Based on a thin-ring microelectrode and using at fibre-optic light guide as the insulating material interior of the ring, the MORE has been deisigned, constructed and developed to permit electrochemical investigation …
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Electrode reactions in zinc electrolysis
… as a possible means of producing a stable anode. Electrodes were conditioned in fluoride solutions and compared to anodes conditioned in H₂SO₄ solutions under similar circumstances. The scanning electron microscope was utilized to study the morphology of the anodic coating. X-ray and potential …
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Dioxygen Electroreduction on Electrode Surfaces
Finally, thiocyanate (SCN) adsorption on Au electrode is examined. Both the calculations and the spectroscopy show that three different geometries are adopted by SCN in the potential region studied (0.0 V ≤ E ≤ 1.2 V vs. NHE). At low potential both N-bound and S-bound forms are found, at …
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Earth electrode resistance diagnosis and measurements
… encompasses installing both copper and AX-PRO electrodes at the test sites, performing empirical measurements, conducting simulations using advanced software, and calculating expected resistance values based on standard equations. The results indicate a significant difference in earth …
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Nanoscale Carbon Architectures for Electrode Applications
… materials produced were formed into thin-film electrodes and their capacitances and resistances were evaluated. The electrical data recorded for each material as well as the characterization of their structure was used to correlate microstructural characteristics of each material to its …
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Multiple Electrode Recording of Cardiac Activation.
… galvanometer. This report describes a multiple electrode device which has been used to record the electrical activation of the epicardial surface of the heart during open heart surgery. It consists of flexible circuit materials and represents and improved version of a multiple electrode array …
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Field emitters with integrated focusing electrode
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 1999.
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Embedded Passivated-electrode Insulator-based Dielectrophoresis
… a new technique called embedded passivated-electrode insulator-based dielectrophoresis (EπDEP) for preconcentration, separation, or enrichment of bioparticles, including living cells. This new method combines traditional electrode-based DEP and insulator-based DEP with the objective of …
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Li-ion battery electrode state of charge and degradation monitoring using battery casing as the reference electrode
… internal state such as state of charge (SOC), electrode capacity, and available lithium-ion monitoring is helpful for effective battery degradation monitoring. Monitoring these internal parameters is challenging due to the weak observability of the electrode parameters and lack of information …
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A Characterization of Caffeine Imprinted Polypyrrole Electrode
… applications. In this study, caffeine imprinted electrodes (CIE) were prepared and characterized. This research project mainly focused on three important aspects: &#;To determine the thickness of the polymeric film. &#;To determine the Limit of detection (LOD) of the polymeric film at different …
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Nucleic acid denaturation at an electrode surface
… can be immobilised at a nano-structured gold electrode and then denatured into its constituent components by driving the potential at the surface cathodic (electrochemical melting). This denaturation is typically monitored by observing changes in the SERS spectra of a reporter molecule …
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Electrode and Headgear Design for Accurate TDCS
… routine of finding the locations for the electrodes, technicians then must perform a complicated multistep setup in order to setup the device, secure the electrodes to a patient’s head and start the treatment. Making TDCS simple and easy enough for a patient with M.S. to setup and …
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Copper Electrode Surfaces: Electrodeposition and Oxide Formation
Voltammetry and potential-dependent forces between a Si3N 4 cantilever and a Cu(111) surface were used to probe the oxidation and reduction of this material in basic solution. The results showed the potential-dependent formation of insoluble and soluble copper oxide species at or near Cu(111) …
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Advanced Electrochemical Analysis for Complex Electrode Applications
… they include the formation of polymer films on electrode surfaces during measurements, a novel nanocatalyst modified electrode surfaces, and organised carbon nanotube (CNT) structures on electrode surfaces. These have been utilised for different electrochemical applications owing to their …
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Electrode length measurement in electric arc furnaces
Accurate measurement of electrode length in electric arc furnaces will result in decreased maintenance time, and improved plant productivity. This thesis describes the development of a microwave-based Soderberg electrode length-measurement system. Various methods of electrode-length measurement …
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