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 25 for “"Atmospheric Pressure Plasma"”.
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Physics and application of an atmospheric pressure plasma jet
Non-thermal atmospheric pressure plasma jets are a promising new field of research which are beneficial to many associated technologies, such as material treatment and biomedical applications. The interest in this type of plasma lies in their ability to deliver significant densities of reactive …
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Modeling of Atmospheric Pressure Plasma Processing of Gases and Surfaces
Atmospheric pressure plasma processing of PP in humid air increases the surface densities of alcohol, peroxy, acid, and carbonyl groups. However, significant amounts of O3 and NxOy are generated in the gas phase. Increasing the relative humidity results in decreased production of O3 and increased …
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Atmospheric pressure plasma assisted deposition of zirconia/silica conversion coatings
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms
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Atmospheric pressure plasma chemical deposition by using dielectric barrier discharge system
During the last decade atmospheric pressure plasma sources have been very successful in various practical applications such as surface cleaning, modification and sterilization. Lately thin film deposition and etching applications of atmospheric plasmas are being extensively investigated. For …
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Fundamental studies of charge transfer in multiphase atmospheric pressure plasma reactors
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01
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Development of low coast atmospheric pressure plasma jet for nano and bio technology applications
The development of cold atmospheric plasma (CAP) can overcome many limitations of low pressure plasma. Low temperature plasma is widely used in the semiconductor and medical industry for cleaning purposes. However, the process is time consuming because low pressure plasma requires vacuum …
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Functional coatings deposited by an Atmospheric Pressure Plasma Jet (APPJ) system over Thermoplastic Elastomer (TPE) substrates
… Since TPE is a heat-sensitive material, an Atmospheric Pressure Plasma Jet (APPJ) system with a Dielectric Barrier Discharge (DBD) was used in this thesis. During the first group of scientific publications, with the objective of reducing the friction coefficient of TPE, the siloxane, …
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Multiphysics modeling, study, and analysis of atmospheric pressure plasma-based mass separation system for high-level radioactive waste treatment
… creates a higher volume of waste to manage. Plasma mass separation divides ions according to their atomic or molecular mass in a plasma device. According to T. Ohkawa and colleagues, the principle of the band gap ion mass filter (BGIMF) states that using a combination of an axial magnetic …
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Atmospheric pressure plasma chemical vapor deposition of silicon dioxide for improved adhesion and water intrusion resistance for lightweight manufacturing
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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From Surface Activation to Delamination Resistance: Nitrogen Atmospheric Pressure Plasma Jet Effects on Unidirectional Carbon Fiber Composites for Sustainable Mobility Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Deposition of yttria-stabilized zirconia thermal barrier coatings by laser-assisted plasma coating at atmospheric pressure
… generation system, and a coaxial cylindrical plasma torch, where an atmospheric-pressure plasma (APP) can be generated using 2.45 GHz. The discharge characteristics of the atmospheric plasma, such as electron temperature Te, electron density ne, and plasma gas temperature Tg, are …
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Recubrimientos anti-biofilm aplicados mediante plasma-polimerización destinados a la industria de manipulación de alimentos y al sector médico
… to remove biofilms from production environments. Atmospheric pressure plasma technology with a Dielectric Barrier Discharge (DBD) was used in this thesis to generate anti‐biofilm coatings. In the first group of two scientific publications, the objective was to reduce bacterial biofilms formation. …
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CO2 Dissociation using the Versatile Atmospheric Dielectric Barrier Discharge Experiment (VADER)
… (DBD) is a pulsed, low temperature, non-thermal, atmospheric pressure plasma which creates high energy electrons suitable for dissociating CO2 into its components (CO and O) as one step in the CCU process. Here I discuss the viability of using a DBD for CO2 dissociation on an industrial scale as …
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An investigation of glass cartridge siliconization processes for improved device performance
… 60nm with fewer than 20% dry spots. Finally, atmospheric pressure plasma (APP) treatment was explored as a pre-treatment step to improve siliconization. Findings from APP feasibility studies showed that APP increases glass surface energy and wettability, but that its effect wears off over time …
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Plasma-Enhanced Continuous Carbon Fibre-Reinforced Composites Manufactured from Recycled Thermoplastics
… carbon fibre (CF) surface functionalisation by atmospheric pressure plasma jet (APPJ) treatments with dry air working gas, then incorporate this understanding to enhance continuous CF-reinforced thermoplastic tape manufactured with novel techniques to facilitate the impregnation with …
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Wool fabric plasma treatment: resulting properties evaluation and applications in field
… come from technological transfer from research. Plasma treatment being based on a gaseous technology does not require to use many chemicals, as well as the precious resource given by freshwater. In this view, plasma treatment of textile materials appears very promising in replacing a number of …
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Development and characterization of furnace atomization plasma excitation spectrometry
Furnace Atomization Plasma Excitation Spectrometry (FAPES) is a new emission spectrochemical method which employs a graphite furnace for analyte atomization and an atmospheric pressure plasma sustained inside the furnace for analyte excitation. The primary objective of this work was to characterize …
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Elucidating strategies to design tailored chitosan surfaces with enhanced antibiofouling and biocompatibility properties via plasma assisted processes
… surfaces with antibacterial properties, based on plasma and ion irradiation processes. Chitosan and silver were used as the platform to produce antibacterial surfaces. The first part of this work focuses on the study of ion irradiation of chitosan membranes. This surface treatment induced chemical …
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Aplicación de recubrimientos funcionales sobre vidrio empleando plasma atmosférico frío
… avances en las técnicas para la generación de plasma han dado lugar al desarrollo de tecnologías de plasma atmosférico frío, cuya capacidad para llevar a cabo tratamientos superficiales las ha convertido en un foco de interés de cara a su implantación en la industria. Una de las características …
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