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 610 for “"ESA"”.
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ESA based fiber optical humidity sensor
Several techniques for measuring humidity are presented. The goal of the study is to use the electrostatic self-assembled monolayer synthesis process to fabricate a Fabry-Parot Cavity based optical fiber humidity sensor. The sensing scheme bases on the refractive index change with relative humidity …
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Simulation and Optimization of ESA Designs for Space Plasma Missions
A novel electrostatic analyzer (ESA) simulation method that differs significantly from traditional methods is presented in this study, the "reverse-fly" simulation method. The simulation process and its applications are discussed in detail. This method is tested by comparing its results to the …
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Hemocompatible polymer thin films fabricated by Electrostatic Self-Assembly (ESA)
… than using drugs, electrostatic self assembled (ESAd) thin films may be the potential candidates to prevent restenosis. ESA is a process to fabricate thin films bases on the electrostatic attraction between two oppositely charges. We used this technique to fabricate four PVP films and four PEI …
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Decision-Based Design of New Products: Electrothermal Swing Adsorption (Esa) System
… is then used to optimize the operation of the ESA system. The results of the experiments also provide inputs to the multiattribute evaluation and design optimization. Finally, an assessment of ESA technology in terms of its sustaining or disruptive nature is performed. This will help in better …
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Korean diaspora in the age of globalization: early study abroad (ESA) college students in the Midwest
… who have gone through the early study abroad (ESA) period in the US during their formative secondary school education and the influence of the experiences into their college lives in the mega campus. Two overarching research questions are: 1) how do international Korean college students …
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Characterization of the spin and attitude of the ESA Huygens probe during its descent onto Titan using the engineering dataset
The Huygens probe is the ESA’s main contribution to the Cassini-Huygens mission, carried out jointly by the ESA, the NASA and the ASI. It was designed to descent into the atmosphere of Titan, Saturn’s largest moon, on January 14, 2005, providing surface images of the farthest object a man-made …
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Linear Optical Thin Films Formed by Electrostatic Self-Assembly
The Electrostatic Self-Assembly (ESA) technique possesses great advantages over traditional thin film fabrication methods, making it an excellent choice for a number of applications in the fields of linear and nonlinear optics, electronics, sensing and surface coatings. The feasibility of …
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A cost-effectiveness analysis of alternative regulatory approaches under the Endangered Species Act of 1973
… passage, in 1973, of the Endangered Species Act (ESA). The ESA establishes regulations designed to protect species which are threatened with extinction. The ESA has evolved out of past legal statutes and jurisprudence concerning the management and protection of wildlife, but the ESA has created …
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Capture and Recovery of Organic Vapors With an Electrothermal -Swing Adsorption System
Applications of the ESA technology for the capture and recovery of organic vapors is very encouraging. The new ESA system allowed for rapid electrothermal regeneration and condensation of the adsorbate. This investigation demonstrated the ESA technology's feasibility to successfully operate under …
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Electrostatic Self-Assembly of Linear and Nonlinear Optical Thin Films
… of using novel electrostatic self-assembly (ESA) methods to fabricate linear and nonlinear optical thin films and components. The ESA process involves the layer-by-layer alternate adsorption of anionic and cationic complexes from aqueous solutions. Selection of the molecules in each layer, …
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Exploring Korean Early Study Abroad Students' Perceptions on Their Experiences During Their Adaptation Period in the United States
… be directly translated as Early Study Abroad (ESA). The phenomenon of ESA has stirred both interests and concerns to Korean society for more than a decade. At the same time, American schools are beginning to see more of these ESA students in their classrooms, as a result of the United States …
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Self-Assembled Multilayered Dielectric Spectral Filters
… properties. The Electrostatic Self Assembly (ESA) process is accomplished by the alternate adsorption of poly-anionic and poly-cationic molecules on progressive oppositely charged surfaces. This technique offers several advantages such as ease of fabrication, molecular level uniformity, stable …
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Experimental and Numerical Evaluation of Electrothermal-Swing Adsorption for Capture and Recovery or Destruction of Organic Vapors
… fundamental mathematical model for simulation of ESA was also developed and evaluated. The model consists of: (a) material balances for organic vapors in the adsorption vessel and (b) energy balances for the adsorbent, carrier gas, vapor, and fittings. The model predicts outlet vapor …
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Monitoring and control of electrothermal swing adsorption based on electrical properties of the adsorbent
… A bench-scale electrothermal swing adsorption (ESA) system that uses activated carbon fiber cloth (ACFC) to selectively remove vapors/gases from gas streams and electrothermal heating to regenerate the ACFC was previously developed. This system concentrates a vapor/gas to > 50 % by volume …
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Electrostatic Self-Assembly of Biocompatible Thin Films
… novel and low-cost electrostatic self-assembly (ESA) technique for the manufacturing of biocompatible thin film coatings. The ESA process is based on the alternating adsorption of molecular layers of oppositely charged polymers/nanoparticles, and can be applied in the fabrication of …
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Circulatory, hormonal, and metabolic effects of arbutamine compared to exercise in persons with known or suspected coronary artery disease
… 66 years, completed symptom-limited arbutamine (ESA) and exercise (ETT) stress tests in a randomized cross-over study. The ESA delivery device controlled infusion rate to induce a graded heart rate increase of 8 bt min⁻¹. Heart rate, systolic blood pressure, diastolic blood pressure, rate …
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Investigation of green foamed concrete incorporating palm oil fuel ash and eggshell ash as partial cement replacement
… (POFA) ranging from 20% to 35% and Eggshell Ash (ESA) from 5% to 15% as partial cement replacement. The effect of partial replacement on the workability was determined by J-ring test, mechanical properties such as, compressive and tensile strengths as well as modulus of elasticity and thermal …
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Electro-optic Properties of Semiconductor Nano-crystals And Electro-optic Polymers And Their Applications
… coefficients. The electrostatic self-assembly (ESA) technique has many advantages over traditional polymer electro-optic film synthesis processes, such as spin coating. For ESA-generated EO films, no poling field is needed, high orientation of the EO polymer can be obtained which does not …
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Potential for the restoration of lowland and wet grassland upon ex-arable land
… within several Environmentally Sensitive Areas (ESAs), including the Upper Thames Tributaries (UTI) ESA. Current UK agri-environment schemes provide the policy context for this study. An investigation to determine whether soil seed banks of former, and extant, floodplain grasslands could …
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