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Characterization and Development of Advanced Heat Transfer Technologies

Advancing heat transfer technologies is a critical factor in power electronics equipment. NREL aims to characterize and develop advanced heat transfer technologies.
Date: November 8, 2007
Creator: Abraham, T.
System: The UNT Digital Library

Advanced Thermal Control Enabling Cost Reduction for Automotive Power Electronics

Describes NREL's work on next-generation vehicle cooling technologies (jets, sprays, microchannels) and novel packaging topologies to reduce costs and increase performance and reliability.
Date: September 1, 2008
Creator: Abraham, T.; Kelly, K.; Bennion, K. & Vlahinos, A.
System: The UNT Digital Library

Biomass and Biofuels: Technology and Economic Overview

Presentation on biomass and biofuels technology and economics presented at Pacific Northwest National Laboratory, May 23, 2007.
Date: May 23, 2007
Creator: Aden, Andy
System: The UNT Digital Library

Reduction of U(VI) Complexes by Anthraquinone Disulfonate: Experiment and Molecular Modeling

Past studies demonstrate that complexation will limit abiotic and biotic U(VI) reduction rates and the overall extent of reduction. However, the underlying basis for this behavior is not understood and presently unpredictable across species and ligand structure. The central tenets of these investigations are: (1) reduction of U(VI) follows the electron-transfer (ET) mechanism developed by Marcus; (2) the ET rate is the rate-limiting step in U(VI) reduction and is the step that is most affected by complexation; and (3) Marcus theory can be used to unify the apparently disparate U(VI) reduction rate data and as a computational tool to construct a predictive relationship.
Date: March 17, 2004
Creator: Ainsworth, C. C.; Wang, Z.; Rosso, K. M.; Wagnon, K. & Fredrickson, J. K.
System: The UNT Digital Library

Industrial Applications of Induced Positron Annihilation

This presentation discusses industrial applications of induced positron annihilation.
Date: October 6, 2004
Creator: Akers, D.
System: The UNT Digital Library

CDMA Network Design

This presentation gives an overview of code-division multiple access (CDMA) and inter-cell effects, network capacities, sensitivity analysis of base station locations, pilot-signal power, and transmission power of the mobiles, and concludes with numerical results.
Date: May 2002
Creator: Akl, Robert G.
System: The UNT Digital Library

Cell Design to Maximize Capacity in CDMA Networks

This presentation discusses the code division multiple access (CDMA) inter-cell effects, capacity regions, maximizing network capacity, mobility, a call admission control algorithm, and network performance.
Date: April 2002
Creator: Akl, Robert G.
System: The UNT Digital Library

Current Research in Wireless at UNT

This presentation discusses wireless networks, access point selections, traffic balancing, multi-cell CDMA, user distribution modeling, and call admission control.
Date: October 2004
Creator: Akl, Robert G.
System: The UNT Digital Library

Energy-Aware Routing and Hybrid Synchronization in Sensor Networks

This presentation discusses the research of sensor synchronization, sensor grid routing, and voice over internet protocol (VoIP).
Date: September 2007
Creator: Akl, Robert G.
System: The UNT Digital Library

Research, Teaching, and Outreach

This presentation discusses research in sensor network routing, WiFi network optimization, 3G cellular call admission, and the outreach and resources needed.
Date: December 9, 2005
Creator: Akl, Robert G.
System: The UNT Digital Library

Subscriber Maximization in CDMA Cellular Networks

This presentation gives an overview of code division multiple access (CDMA), traffic and mobility models, subscriber optimization formulation, and numerical results.
Date: August 2004
Creator: Akl, Robert G.
System: The UNT Digital Library

WiFi and WCDMA Network Design

This presentation discusses WiFi access point selection and traffic balancing, multi-cell wideband code division multiple access (WCDMA) with multiple classes, user modeling using 2D Gaussian distribution, and intra-cell and inter-cell interference and capacity.
Date: April 2005
Creator: Akl, Robert G.
System: The UNT Digital Library

Retention and Recruitment of Women in Computer Engineering

This presentation discusses strategies and goals for recruiting more women to Computer Science and Engineering degree (CSE) programs at the University of North Texas (UNT). It also describes a series of activities aimed at improving retention rates of women students already in our programs. Such recruitment and retention of women is critical to the country's efforts to increase the number of engineering professionals, and is a priority for the CSE Department at UNT.
Date: July 2006
Creator: Akl, Robert G. & Garlick, Ryan
System: The UNT Digital Library

Capacity Allocations in Multi-cell UMTS Networks for Different Spreading Factors with Perfect and Imperfect Power Control [Presentation]

This presentation discusses user and interference models, wideband code division multiple access (WCDMA) capacity with perfect and imperfect power control, and spreading factors with numerical results.
Date: January 2006
Creator: Akl, Robert G. & Nguyen, Son
System: The UNT Digital Library

Global versus Local Call Admission Control in CDMA Cellular Networks [Presentation]

This presentation discusses interference model impacts on capacity, global call admission controls, local call admission controls, and the differences in global versus local call admission controls.
Date: July 2004
Creator: Akl, Robert G. & Parvez, Asad
System: The UNT Digital Library

Impact of Interference Model on Capacity in CDMA Cellular Networks

This presentation introduces code division multiple access (CDMA) networks, average and actual interference models, optimized capacity, and the 2D Gaussian user model.
Date: July 2004
Creator: Akl, Robert G. & Parvez, Asad
System: The UNT Digital Library

Call Admission Control Scheme for Arbitrary Traffic Distribution in CDMA Cellular Systems

This presentation discusses call admission control (CAC). The authors define a set of feasible call configurations that results in a CAC algorithm that captures the effect of having an arbitrary traffic distribution and whose complexity scales linearly with the number of cells.
Date: September 2000
Creator: Akl, Robert G.; Hegde, Manju V.; Naraghi-Pour, Mort & Min, Paul S.
System: The UNT Digital Library

Self-Configuring Wireless MEMS Network

This presentation discusses miniature, lightweight, self-powered wireless sensors, and networking software needs.
Date: January 2008
Creator: Akl, Robert G.; Kavi, Krishna M. & El Rewini, Hesham
System: The UNT Digital Library

Robocamp: Encouraging Young Women to Embrace STEM

This presentation discusses Robocamp, a special summer camp that was created by the University of North Texas (UNT) Computer Science and Engineering department. Robocamp successfully promotes engineering among high school women.
Date: February 2009
Creator: Akl, Robert G.; Keathly, David & Garlick, Ryan
System: The UNT Digital Library

Greater Understanding of Lipids in Caenorhabditis elegans Exposed to Oxygen Deprivation

Presentation for the 2005 University Scholars Day at the University of North Texas discussing research on lipids in Caenorhabditis elegans exposed to oxygen deprivation.
Date: March 31, 2005
Creator: Alarcón, Jemma & Padilla, Pamela A.
System: The UNT Digital Library

Fishing gear impacts on habitat

This is a presentation on the effects of trawl fishing on marine wildlife.
Date: 2000
Creator: Alaska Region Workshop
System: The UNT Digital Library

Green Energy: Advancing Bio-Hydrogen

Developing a model of metabolism linked to H2 production in green algae. Develop tools for parameter discovery and optimization at organism level and advance knowledge of hydrogen-producting photosynthetic organisms.
Date: July 1, 2007
Creator: Alber, D.
System: The UNT Digital Library

High-Performance Systems Biology and Associated Combinatorial Scientific Computing Problems

Presentation discussing a metabolomics study focused on a hydrogen-producing green alga and the problems encountered that are addressable using combinatorial scientific computing methods.
Date: June 1, 2008
Creator: Alber, D.
System: The UNT Digital Library

Folksonomy

This Tech Talk presentation explores Folksonomy. The author explores some of the more common aspects of folksonomies in the context of Web 2.0.
Date: July 2, 2008
Creator: Alemneh, Daniel Gelaw
System: The UNT Digital Library