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etd.ohiolink.edu 檢索結果共 37200 筆,本頁資料從第 97 筆到第 108 筆

This thesis reports the design procedures of X-band (8-10GHz) Chebyshev band-pass filter based on high dielectric constant Barium Strontium Titanate (BST) thin film. Design procedures will be illustrated from fundamental formulas and lumped element circuits to real electromagnetic (EM) geometry. The Chebyshev band-pass filter is achieved by two coupled hairpin resonator....

By Chenhao Zhang-Electrical Engineering-University of Dayton / OhioLINK-masters-2012-08-21
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Many scientific and military applications require pulsed laser sources with high peak power output which are tunable throughout the midwave infrared (mid-IR) spectral region. In this report we discuss the design, construction, and characterization of a gain-switched chromium-doped zinc selenide (Cr:ZnSe) amplifier pumped by a Q-switched holmium-doped yttrium aluminum ga....

By Sean A. McDaniel-Electro-Optics-University of Dayton / OhioLINK-masters-2012-08-21
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The defense industry has numerous detectors that provide critical imaging capability on tactical and reconnaissance platforms and have been shown to be susceptible to permanent damage from high energy pulsed lasers in both laboratory and field testing. Much of the materials research into this involves two different methods of providing pulsed laser damage protection: ex....

By Marc A. Finet-Electro-Optics-University of Dayton / OhioLINK-masters-2012-08-21
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The objective of this study is to investigate the effects of aliphatic and aromatic halogenated additives on soot and PAH formation (polycyclic aromatic hydrocarbon) using a laminar co-flow ethylene-air diffusion flame. Both aliphatic surrogates (bromobutane, chlorobutane and bromo/chlorobutane mix) and aromatic surrogates (benzene, bromobenzene, chlorobenzene and bromo....

By Rajiv Kondaveeti-Mechanical Engineering-University of Dayton / OhioLINK-masters-2012-08-21
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Emotion recognition using electroencephalographic (EEG) recordings is a new area of research which focuses on recognition of emotional states of mind rather than impulsive responses. EEG recordings are found useful for the detection of emotions through monitoring the emotion characteristics of spatiotemporal variations of activations inside the brain. To distinguish bet....

By Theus H. Aspiras-Electrical Engineering-University of Dayton / OhioLINK-masters-2012-08-21
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The immune system is critical to an animal’s survival. However, changes in immune function during insect development, and the factors that regulate these changes, are not well understood. Hemocytes carry out cellular defenses such as phagocytosis, nodulation, and encapsulation of pathogens. The enzyme phenoloxidase (PO) plays a key role in this process while the enzym....

By Angelica Vivas Piñera-Zoology-Miami University / OhioLINK-masters-2012-08-21
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This thesis consists of original poems as well as translations of contemporary Ukrainian poet Anastasiia Afanas’eva. My poems are written to expose issues often left unnoticed in the realities of everyday life. The deeper themes embedded in my work include issues of love/power, cultural identity, sexuality, labeling/reality, and family. Most of my poems are written in....

By Alla Vilnyansky-English-Miami University / OhioLINK-masters-2012-08-21
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By referencing elements of the domestic and positioning the female body within that space, this thesis attempts to create non-traditional, partially autobiographical narratives that delve into gendered representations of selfhood as well as women’s relationships with the world around them (including relationships to men, other women, etc.). The epistolary form of Dear....

By Alice Ladrick-English-Miami University / OhioLINK-masters-2012-08-21
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Push seeks to expose – and simultaneously exploit – religious feeling and language as gateways to and from supposedly distinct fields of human experience. To this end, it explores the heightened language of religion, violence, and sexuality, revealing language's collusion among these realms and affirming the extent to which an experience in one area is deeply and ir....

By Tasha L. Golden-English-Miami University / OhioLINK-masters-2012-08-21
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The objective of this research is to investigate the biocompatibility of carbon nanomaterial. It was found that the cytotoxicity of multiwalled carbon nanotubes (MWNTs) depend on their concentration, size, and surface chemical groups (e.g., -COOH). MWNTs and MWNT-COOH could accumulate in human lung macrophage cells (U937) to different degrees, and they did not produce o....

By Lin Zhu-Engineering-University of Dayton / OhioLINK-doctoral-2012-08-21
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Fluorescence enhancement using one-dimensional photonic band gap (1DPBG) multilayer structures is demonstrated in this dissertation. Designed with proper refractive indices and thicknesses, the alternating high and low index multilayer thin film structures combine photonic crystal resonance and omni-directional reflection together to enhance the excitation light irradia....

By Jian Gao-Electro-Optics-University of Dayton / OhioLINK-doctoral-2012-08-21
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In recent years there has been growing interest in Ad-hoc and Wireless Sensor Networks (WSNs) for a variety of indoor applications. Localization information in these networks is an enabling technology and in some applications it is the parameter of primary importance. WSNs are being used in a variety of ways - from reconnaissance and detection in military to biomedical ....

By Huthaifa A. Al Issa-Electrical Engineering-University of Dayton / OhioLINK-doctoral-2012-08-21
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