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 245 for “"Hot spots"”.
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Ultrasonic hot spots in solids
… which has long been speculated to result from ‘hot spot’ generation at localized microstructures in the energetic material (EM). Direct experimental evidence of such hot spots, however, is exceptionally limited; mechanisms for their generation are poorly understood and methods to control their …
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Hot spots in ammonium nitrate
… was investigated using high-speed framing photography, photodiodes and gated visible-light spectroscopy. Framing photography of prill layers suggested that reaction in prill beds was dominated by effects internal to prills. This was further supported by the similarity between photodiode …
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Miniature Thermoelectric Coolers for On-Chip Hot Spots
… The resulting localized high heat flux "hot spots" are becoming a major difficulty due to their propensity for degrading microprocessor performance and for significantly reducing chip reliability. Most conventional cooling techniques provide uniform cooling to the device and do not focus …
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Relieving hot spots on the World Wide Web
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Assessing the Impact of Increased Police Officer Presence In Micro Hot Spots
… To better facilitate an understanding of a hot spot policing approach, the current study defines the specific policing style and how it was used throughout the duration of the project. With this in mind, the Kansas City Missouri Police Department (KCPD) implemented a hot spot policing …
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Modes of continental deformation--studies of foredeep basins, continental hot spots and intracratonic basins
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1994.
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New progress in hot-spots detection, partial-differential-equation-based model identification and statistical computation
This thesis discusses the new progress in (1) hot-spots detection in spatial-temporal data, (2) partial-differential-equation-based (PDE-based) model identification, and (3) optimization in the Least Absolute Shrinkage and Selection Operator (Lasso) type problem. In this thesis, we have four main …
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Swirling jets for the mitigation of hot spots and thermal Sstratification in the VHTR lower plenum
… can experience thermal stratification and hot spot issues in the lower plenum (LP). This research hypothesizes that the complex thermalhydraulic phenomena in the LP requires a sophisticated computational fluid dynamics (CFD) code with state-of-the-art turbulence models and advanced swirling …
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Wildlife Road Mortality on the 1000 Islands Parkway in South Eastern Ontario: Peak Times, Hot Spots, and Mitigation Using Drainage Culverts
… clustering between years identified as hot spots. In addition, the potential for drainage culverts to reduce wildlife road mortality was tested with two experimental treatments in 2010: (1) blocked culverts to prevent wildlife use, and (2) drift fence installation adjacent to culverts to …
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Exploring the Overlap, Saliency, and Consistency of Environmental Predictors in Crime Hot Spots: A Remote Systematic Social Observation and Case-Control Examination
… characteristics, and contexts of crime hot spots are not consistently the same or generalizable across unique units of analysis and crime types. This dissertation will simultaneously integrate different types of environmental criminology predictors, including crime generators and …
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Identifying Tumor Vascular Permeability Heterogeneity Using Reduced Encoding Techniques
… window of resolutions that detects similar PS ""hot spots"" compared to those obtained from the clinical imager resolution. The top five PS ""hot spots"" obtained from 469 mum resolution FFT are statistically different from those at 938 mum resolution FFT, p = 0.0014, and 2500 mum resolution FFT, …
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A methodology for identifying potential locations for bus priority treatments in the London Network
… bus priority implementation, referred to as hot spots. While hot spots can occur at various spatial levels, the research focuses on identifying hot spots at the intersection level. Several measures are developed that describe the performance of bus routes through an intersection. This …
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Spatial Analysis of Fatal Automobile Crashes in Kentucky
… this study were to identify spatial patterns and hot spots in FARS (Fatal Analysis Reporting System) fatal crash events based on temporal and demographic characteristics. The methods employed included 1) rate calculation using FARS points and average daily traffic flow; 2) planar kernel density …
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Computational Methods to Identify and Target Druggable Binding Sites at Protein-Protein Interactions in the Human Proteome
… of energy at these interfaces are known as hot spots. The successful disruption of protein-protein interactions with small molecules is attributed to the ability of small molecules to mimic and engage these hot spots. Here, the role of hot spots is explored in existing inhibitors and …
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Capacity Improvement Using Adaptive Sectorisation in WCDMA Cellular Systems With Non-Uniform and Packet Mode Traffic
… of congregated population centres (called hot spots) can seriously undermine the system design goals in terms of quality of service (QoS) and system capacity. This investigation deals with the problem of hot spots in a bid to improve system capacity at acceptable quality of service levels. …
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Study of macromolecular interactions using computational solvent mapping
The term "binding hot spots" refers to regions of a protein surface with large contributions to the binding free energy. Computational solvent mapping serves as an analog to the major experimental techniques developed for the identification of such hot spots using X-ray and nuclear magnetic …
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Developing an active, high-heat-flux thermal management strategy for power electronics via jumping-droplet phase-change cooling
Mitigating heat generated by hot spots inside of power electronic devices is a formidable obstacle to further increases in power density. This work presents the first demonstration of active cooling for hot spots in compact electronics via electric-field-enhanced (EFE) jumping-droplet condensation. …
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The Geography of Crime: Examining the Distribution of Break and Enters Across Regina Neighbourhoods Using Geographic Information Systems (GIS)
… it is clustered in certain areas known as hot spots (Sherman, Gartin, & Buerger, 1989). Understanding patterns of crime and the reasons why hot spots exist provides a foundation for crime control and prevention strategies. This study provides an analysis of the distribution of break and …
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