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497 Matching Results
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Command-Line Image Manipulation with ImageMagick
Presentation slides from a workshop at the 2013 Texas Conference on Digital Libraries (TCDL). These workshop slides introduce command-line image manipulation to its participants using the open source software ImageMagick.
Date:
May 8, 2013
Creator:
Moore, Jeremy D.
System:
The UNT Digital Library
Building Search Systems for Digital Library Collections
This presentation describes the infrastructure and collection in the University of North Texas (UNT) Libraries Digital initiatives. This discusses issues related to searching and explains possible solutions to best enhance metadata and searching capabilities.
Date:
May 31, 2007
Creator:
Phillips, Mark Edward
System:
The UNT Digital Library
Leveraging Digital Library Infrastructure to Support a Modern Research Library
Presentation for the University of Oklahoma series "Beyond our Walls: A Conversation with Mark Phillips." This presentation discusses the digital library activities at the University of North Texas (UNT) Libraries and the use of the existing digital library infrastructure to build research collections that support a growing research institution.
Date:
May 30, 2014
Creator:
Phillips, Mark Edward
System:
The UNT Digital Library
Innovation and Sustainability in Digital Publishing
This presentation accompanies introductory remarks given as a panelist in the session "Publishing and Preserving OA Content" during the 2014 Open Access Symposium, "The Business and Economics of Open Access."
Date:
May 19, 2014
Creator:
Hawkins, Kevin S.
System:
The UNT Digital Library
The Quick and the Dirty: The Good, the Bad and the Ugly of Database Overlap at the Journal Title Level
Presentation for the 2014 North American Serials Interest Group (NASIG) Annual Conference on database overlap at the journal title level.
Date:
May 3, 2014
Creator:
Harker, Karen & Kizhakkethil, Priya
System:
The UNT Digital Library
The Next Hundred Million and The Next Six Million - or more: Population Trends in the US and North Texas
This presentation discusses population trends in the United States and in North Texas with census bureau reports and projected growth in specific areas.
Date:
May 11, 2010
Creator:
Clower, Terry L.
System:
The UNT Digital Library
Open Access at the UNT Libraries
This presentation discusses the University of North Texas (UNT) Libraries' Digital Library collection. It showcases the collections included in the UNT Digital Library, the statistics of use, and highlights the UNT Scholarly Works institutional repository.
Date:
May 20, 2011
Creator:
Phillips, Mark Edward
System:
The UNT Digital Library
Needs Assessment Toolkit
This presentation discusses the needs assessment toolkit created for the Web-at-Risk project. This presentation outlines the details related to the web archive development process and the activities related to the needs assessment.
Date:
May 2005
Creator:
Murray, Kathleen R.
System:
The UNT Digital Library
What did our users tell us about how we should improve the library website interface? And what are our actions in response?
Presentation on user feedback for the redesign of a website.
Date:
May 2012
Creator:
Weng, Neena
System:
The UNT Digital Library
Assessing Student Critical Thinking Skills in Single Library Instruction Class
Presentation for the 2011 Phoenix Staff Development Day discussing how to assess the critical thinking skills of students in single library instruction classes. The challenges and solutions are discussed, as well as a recommendation for, and example of, a library instruction worksheet that can be used.
Date:
May 27, 2011
Creator:
Byerly, Gayla
System:
The UNT Digital Library
Optimizing Carbon Nanotube Contacts For Use In Organic Photovoltaics
None
Date:
May 1, 2008
Creator:
Barnes, T.; Blackburn, J.; Tenent, R.; Morfa, A.; Heben, M. & Coutts, T.
System:
The UNT Digital Library
Accelerated UV Test Methods for Encapsulants of Photovoltaic Modules
None
Date:
May 1, 2008
Creator:
Kempe, M. D.
System:
The UNT Digital Library
Intrinsic DX Centers in Ternary Chalcopyrite Semiconductors
The conclusions of this report are: (1) intrinsic donor-type defects In{sub Cu}, Ga{sub Cu}, and V{sub Se}, and their complexes with V{sub Cu} cause metastability, but also act to limit V{sub OC}; (2) growth conditions which minimize these defects (Cu-rich/Se-rich) are very different from those currently used; and (3) overcoming V{sub OC} limitation requires to address other issues and trade-offs.
Date:
May 1, 2008
Creator:
Lany, S. & Zunger, A.
System:
The UNT Digital Library
Design of Shallow p-type Dopants in ZnO
ZnO is a promising material for short wave-length opto-electronic devices such as UV lasers and LEDs due to its large exciton binding energy and low material cost. ZnO can be doped easily n-type, but the realization of stable p-type ZnO is rather difficult. Using first-principles band structure methods the authors address what causes the p-type doping difficulty in ZnO and how to overcome the p-type doping difficulty in ZnO.
Date:
May 1, 2008
Creator:
Wei, S.H.; Li, J. & Y., Yan.
System:
The UNT Digital Library
Stability of CIS/CIGS Modules at the Outdoor Test Facility Over Two Decades
None
Date:
May 1, 2008
Creator:
Del Cueto, J. A.
System:
The UNT Digital Library
Three-Dimensional Lithium-Ion Battery Model
Nonuniform battery physics can cause unexpected performance and life degradations in lithium-ion batteries; a three-dimensional cell performance model was developed by integrating an electrode-scale submodel using a multiscale modeling scheme.
Date:
May 1, 2008
Creator:
Kim, G. H. & Smith, K.
System:
The UNT Digital Library
Effects of Cu Diffusion From ZnTe:Cu/Ti Contacts on Carrier Lifetime of CdS/CdTe Thin Film Solar Cells
None
Date:
May 1, 2008
Creator:
Gessert, T. A.; Metzger, W. K.; Asher, S. E.; Young, M. R.; Johnston, S.; Dhere, R. G. et al.
System:
The UNT Digital Library
Ethanol Production, Distribution, and Use: Discussions on Key Issues
From production to the environment, presentation discusses issues surrounding ethanol as a transportation fuel.
Date:
May 14, 2008
Creator:
Harrow, G.
System:
The UNT Digital Library
Do the Defects Make it Work? Defect Engineering in π - Conjugated Polymer Films and Their Solar Cells
The summaries of this report are: (1) charged defects produce 10{sup 15}-10{sup 17} cm{sup -3} free carriers; (2) treatment with nucleophiles decreases p{sub f} and {sigma} while treatment with electrophiles does not change p{sub f} but increases {sigma}; (3) both treatments increase {mu}{sub p}, L{sub ex} and stability against photo-degradation; (4) charged defects can improve OPV by increasing conductivity and creating interfacial electric fields but they hurt {mu}{sub p}, L{sub ex} and chemical stability; and (5) a better way--synthesize materials without covalent defects and dope with purposely added, bound dopants.
Date:
May 1, 2008
Creator:
Gregg, B. A.; Wang, D.; Reese, M. O. & Kopidakis, N.
System:
The UNT Digital Library
Influence of Electrodes, Light, and Air on Organic Photovoltaic Stability and Various Device Protection Strategies
None
Date:
May 1, 2008
Creator:
Reese, M. O.; Morfa, A. J.; White, M. S.; Kopidakis, N.; Shaheen, S. E.; Rumbles, G. et al.
System:
The UNT Digital Library
Excitonic Solar Cells: The Challenges of Efficiency and Durability
None
Date:
May 1, 2008
Creator:
Rumbles, G.
System:
The UNT Digital Library
Direct Comparison of Inverted and Non-inverted Growths of GaInP Solar Cells
The motivation for this presentation is that growing inverted cells may enable technological advances in solar cell fabrication, leading to higher efficiencies. Differences in dopant diffusion during inverted vs. upright growths may lead to differences in atomic depth profiles; changes in carrier concentrations; higher contact resistance and lower overall performance. This presentation summarizes that excellent performance is achievable in both upright and inverted configurations with proper consideration; subtle differences in depth profile QE and JV between upright and inverted growths due to dopant diffusion; and GaInAsN contact layer is resilient to length annealing and more work is necessary to determine why.
Date:
May 1, 2008
Creator:
Steiner, M. A.; Geisz, J. F.; Reedy,Jr. R. C. & Kurtz, S.
System:
The UNT Digital Library
Inverted GaInP/GaAs/InGaAs Triple-Junction Solar Cells with Low-Stress Metamorphic Bottom Junctions
None
Date:
May 1, 2008
Creator:
Geisz, J. F.; Kurtz, S. R.; Wanlass, M. W.; Ward, J. S.; Duda, A.; Friedman, D. J. et al.
System:
The UNT Digital Library
Results from the Vehicle/Infrastructure Learning Demonstration Project
The objectives of this report are to: (1) validate H{sub 2} FC vehicles and infrastructure in parallel; (2) identify current status of technology and its evolution; (3) re-focus H{sub 2} research and development; and (4) support technology readiness milestone by 2015.
Date:
May 18, 2006
Creator:
Wipke, K.; Welch, C.; Thomas, H. & Sprik, S.
System:
The UNT Digital Library