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 292 for “"dwell"”.
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A bridge to dwell in
… realities of Man and his need for an aesthetic dwelling rich in sensory characteristics; the realities of the building's materials and their behavior; and the realities of the Earth with its changing forces. With an awareness and sensitivity to these existing realities, real Architecture can …
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Dwell time relationships for urban rail systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1990.
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Texture in Elliott Carter’s A mirror on which to dwell
… Elliott Carter's song cycle A Mirror on Which to Dwell. Texture is an important structural aspect of much recent music, as is exemplified in Carter's music. The first chapter is introductory and discusses other textural theories, and the concept of auditory streams. It also provides background to …
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Variable dwell time verification strategies for CDMA acquisition with application to GPS signals
… to outperform the computationally simple single dwell detector, even in the presence of adverse signal effects. A new approximation for the distribution of the probability ratio in the GPS case is presented and shown to significantly reduce the analytical complexity of the strategy. Sub-optimal …
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Dwell Time of Peripheral Intravenous Catheters and Incidence of Phlebitis: A Randomized Controlled Study
… the incidence of phlebitis in relation to dwell time and other aspects of IV therapy.<br> 2. To examine a sample of acute hospitalized patients whose IV catheters are changed at 48 hours, at 72 hours, and over 72 hours.<br> 3. To identify the incidence of phlebitis with each sample …
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"Far in Distant Lands to Dwell": The Sacred Harp Presence in the Arkansas Ozarks
<p>In 1999, the Shiloh Museum of Ozarks History in Springdale, Arkansas, hosted a singing school to teach the public the rudiments of the 1844 religious songbook The Sacred Harp. While enjoying a long history among Deep South singers, The Sacred Harp has few regional ties to the Ozarks. The goal of …
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Bus Seating in Arlington, Virginia: ART Passenger Demographics, Seating Preferences and Dwell Time Efficiency
Boarding, alighting and seating maneuvers were monitored on selected Arlington Transit (ART) bus routes in order to determine the link between passenger demographics, seating preferences and boarding and alighting times within the system. The data collection methodology employed digital stopwatch …
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Dwell Time for Import Transit Containers at Dar es Salaam Port: An Analysis of the Role of Free Storage time
Dwell time is the principal indicator of the Port’s efficiency. Dwell time can be broken into three components: operational dwell time, transactional dwell time and discretionary dwell time. All customs and terminal inefficiencies are absorbed in the first two components above. The aim of this …
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Characterization of spectral response of a quantum dots-in-a-well infrared focal plane array
… two-color InAs/InGaAs quantum dots-in-a-well (DWELL) infrared focal plane array (FPA) was undertaken and reported here. The hypothesis of the study is that the FPA will exhibit bias-tunable spectral response. Broadband and two-color performance measures of the DWELL FPA are discussed and …
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Growth and optimization of quantum dots-in-a-well infrared photodetectors
… novel InAs/In0.15Ga0.85As quantum dots-in-well (DWELL) heterostructure. In the DWELL structure, the InAs quantum dots are placed in an In0.15Ga0.85As well, which in turn is placed in a GaAs matrix. Due to the large band offset between the ground electronic state of the InAs quantum dot and …
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Analyzing the Effects of Display Characteristics and Cognitive Variables on Performance Using Keystroke and Eye Movement Data
… derived from this data: task time, error rate, dwell time and dwell frequency. The four independent variables were information density, display layout, task complexity, and experience.</p> <p>Out of the four independent variables used in the current research, task complexity, a cognitive …
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Data compressive paradigm for spectral sensing and classification using electrically tunable detectors
… using spectrally tunable quantum dots-in-a-well (DWELL) IR detector without employing any spectral filters; (2) further demonstration of the spectral-classification capability of tunable DWELL IR focal-plane array (FPA), again without using any spectral filters; and (3) development of a …
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Multispectral plasmon enhanced quantum dots in a well infrared photodetectors
… transitions in the quantum dots in a well (DWELL) system for infrared detection have gained prominence recently, owing to their ability to detect normally incident light, bicolor detection and use of mature III-V technology. In this dissertation, two aspects of DWELL detectors that make them …
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Novel Ignition Approaches for Improved Hydrogen Ignition
… H₂ double injection ignition with varying dwell times. Experiments utilized a constant-volume combustion chamber (CVCC) with optical access, replicating compression-ignition engine conditions. Baseline environment: 23.8kg/m³ gas density, 21vol.% O₂, 1000K core temperature. Analysis methods: …
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Multimodal Interaction for Text Entry and Control in Mixed Reality
… addresses four key areas: text caret control, dwell-free eye typing, command search systems through dwell-free eye typing, and eye-hand coordination in mid-air gesture typing. Through iterative prototyping and controlled empirical studies, the research demonstrates that a multimodal interaction …
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A study of rolling adhesion in braking
The effect of normal load, contact velocity, and dwell time on the coefficient of adhesion at slip in braking was investigated. A test rig that simulated locomotive wheel/rail interactions was used for the experimentation. The results indicated a drop in the coefficient of adhesion with increasing …
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Comparison of water boiling models against recent experimental data, with special emphasis on the bubble ebullition cycle
… I took the average values for the growth and dwell times directly from the data, rather than from the models for those parameters. The results of those investigations showed that the basic principles approach for considering the parameters of the ebullition cycle held up pretty well with the …
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Effects of split injection and exhaust gas recirculation strategies on combustion and emissions characteristics in a modern V6 diesel engine
… of injection strategy (fuel injection pressure, dwell period, pilot fuel quantity) and cooled Exhaust Gas Recirculation (EGR) on a modern V6 common rail direct injection diesel engine. In the case of using EGR (49–52%) at 1500 rpm and 10% of engine peak torque, by increasing the fuel injection …
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Dynamics of Germ Cell Specific Stable Transcriptional Complexes in Xenopus Oocytes
… a transcription factor has only a very short dwell time of seconds or minutes on its appropriate DNA sequence. On the other hand, differentiated cell strains retain their differentiated state for many years. Does this mean that a transcription factor molecule must be exchanged for another …
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