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24,703 Matching Results
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[Aerial of Highland Garage and Kerr Hall]
Aerial photograph of a portion of the University of North Texas campus including an unfinished Highland Street Garage, Kerr residence hall, and the Business Leadership Building. Fouts Field can be seen in the background.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of Highland Street Garage Construction]
Aerial photograph of a portion of the University of North Texas campus including the partial construction of the Highland Street Garage, Wooten Hall, and the Union Circle Garage. This photograph captures the southeastern portion of UNT.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of Kerr Hall and the BLB]
Aerial photograph of a portion of the University of North Texas campus including Kerr Hall and the BLB (Business Leadership Building). Other notable buildings visible in the photo include Willis Library, the Hurley Administration Building, and the University Union.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of Sorority Row and Highland Garage]
Aerial photograph of a portion of the University of North Texas campus including a partially constructed Highland Street Garage and a section of UNT's Sorority Row. Welch Street is partially visible running North-South in the photograph.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of Suburb and Discovery Park]
Aerial photograph of a portion of a suburb in north Denton. The Discovery Park campus is visible in the distance in the center of the image.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of the Murchison Performing Arts Center]
Aerial photograph of a portion of the University of North Texas campus including the Murchison Performing Arts Center, the Gateway Center, and Mozart Square. Interstate 35 is visible in the lower portion of the photo.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of UNT Main Campus]
Aerial photograph of the center of the University of North Texas campus. Notable buildings visible in the photograph include Willis Library, the Business Leadership Building, the Hurley Administration Building, and the University Union.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial of Victory Hall and Apogee Stadium]
Aerial photograph of a portion of the University of North Texas campus including Apogee Stadium, Victory Hall, the Waranch Tennis Complex, and UNT sports facilities.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial Photo of Victory Hall and Apogee Stadium]
Aerial photograph of a portion of the University of North Texas campus including Apogee Stadium, Victory Hall, the Waranch tennis complex, and sports facilities.
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
[Aerial View of Discovery Park]
Aerial photograph of a portion of the University of North Texas campus including Discovery Park and its surrounding parking lots. Discovery Park lies between Texas State Highway Loop 288 (left) and North Elm Street (right).
Date:
January 2011
Creator:
United States. Civil Air Patrol.
Object Type:
Photograph
System:
The UNT Digital Library
Aerosol Resuspension Model for MELCOR for Fusion and Very High Temperature Reactor Applications
Dust is generated in fusion reactors from plasma erosion of plasma facing components within the reactor’s vacuum vessel (VV) during reactor operation. This dust collects in cooler regions on interior surfaces of the VV. Because this dust can be radioactive, toxic, and/or chemically reactive, it poses a safety concern, especially if mobilized by the process of resuspension during an accident and then transported as an aerosol though out the reactor confinement building, and possibly released to the environment. A computer code used at the Idaho National Laboratory (INL) to model aerosol transport for safety consequence analysis is the MELCOR code. A primary reason for selecting MELCOR for this application is its aerosol transport capabilities. The INL Fusion Safety Program (FSP) organization has made fusion specific modifications to MELCOR. Recent modifications include the implementation of aerosol resuspension models in MELCOR 1.8.5 for Fusion. This paper presents the resuspension models adopted and the initial benchmarking of these models.
Date:
January 1, 2011
Creator:
Merrill, B. J.
Object Type:
Report
System:
The UNT Digital Library
AGR-1 Irradiated Test Train Preliminary Inspection and Disassembly First Look
The AGR-1 irradiation experiment ended on November 6, 2009, after 620 effective full power days in the Advanced Test Reactor, achieving a peak burnup of 19.6% FIMA. The test train was shipped to the Materials and Fuels Complex in March 2010 for post-irradiation examination. The first PIE activities included non-destructive examination of the test train, followed by disassembly of the test train and individual capsules and detailed inspection of the capsule contents, including the fuel compacts and the graphite fuel holders. Dimensional measurements of the compacts, graphite holders, and steel capsules shells were performed using a custom vision measurement system (for outer diameters and lengths) and conventional bore gauges (for inner diameters). Gamma spectrometry of the intact test train gave a preliminary look at the condition of the interior components. No evidence of damage to compacts or graphite components was evident from the isotopic and gross gamma scans. Neutron radiography of the intact Capsule 2 showed a high degree of detail of interior components and confirmed the observation that there was no major damage to the capsule. Disassembly of the capsules was initiated using procedures qualified during out-of-cell mockup testing. Difficulties were encountered during capsule disassembly due to irradiation-induced changes …
Date:
January 1, 2011
Creator:
Demkowicz, Paul; Cole, Lance; Ploger, Scott; Winston, Philip; Pham, Binh & Abbott, Michael
Object Type:
Report
System:
The UNT Digital Library
Alba Quadrangle
Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date:
2011
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Analysis and Classification of Mammography Reports Using Maximum Variation Sampling
Currently, no automated means of detecting abnormal mammograms exist. While knowledge discovery capabilities through data mining and data analytics tools are widespread in many industries, the healthcare industry as a whole lags far behind. Providers are only just beginning to recognize the value of data mining as a tool to analyze patient care and clinical outcomes. The research conducted by the authors investigates the use of genetic algorithms for classification of unstructured mammography reports, which can be later correlated to the images for extraction and testing. In mammography, much effort has been expended to characterize findings in the radiology reports. Various computer-assisted technologies have been developed to assist radiologists in detecting cancer; however, the algorithms still lack high degrees of sensitivity and specificity, and must undergo machine learning against a training set with known pathologies in order to further refine the algorithms with higher validity of truth. In a large database of reports and corresponding images, automated tools are needed just to determine which data to include in the training set. Validation of these data is another issue. Radiologists disagree with each other over the characteristics and features of what constitutes a normal mammogram and the terminology to use in …
Date:
January 1, 2011
Creator:
Patton, Robert M.; Beckerman, Barbara G. & Potok, Thomas E.
Object Type:
Book
System:
The UNT Digital Library
Analysis of Experimental Data for High Burnup PWR Spent Fuel Isotopic Validation - Vandellos II Reactor
This report is one of the several recent NUREG/CR reports documenting benchmark-quality radiochemical assay data and the use of the data to validate computer code predictions of isotopic composition for spent nuclear fuel, to establish the uncertainty and bias associated with code predictions. The experimental data analyzed in the current report were acquired from a high-burnup fuel program coordinated by Spanish organizations. The measurements included extensive actinide and fission product data of importance to spent fuel safety applications, including burnup credit, decay heat, and radiation source terms. Six unique spent fuel samples from three uranium oxide fuel rods were analyzed. The fuel rods had a 4.5 wt % {sup 235}U initial enrichment and were irradiated in the Vandellos II pressurized water reactor operated in Spain. The burnups of the fuel samples range from 42 to 78 GWd/MTU. The measurements were used to validate the two-dimensional depletion sequence TRITON in the SCALE computer code system.
Date:
January 1, 2011
Creator:
Ilas, Germina & Gauld, Ian C
Object Type:
Report
System:
The UNT Digital Library
Analytical Plan for Roman Glasses
Roman glasses that have been in the sea or underground for about 1800 years can serve as the independent “experiment” that is needed for validation of codes and models that are used in performance assessment. Two sets of Roman-era glasses have been obtained for this purpose. One set comes from the sunken vessel the Iulia Felix; the second from recently excavated glasses from a Roman villa in Aquileia, Italy. The specimens contain glass artifacts and attached sediment or soil. In the case of the Iulia Felix glasses quite a lot of analytical work has been completed at the University of Padova, but from an archaeological perspective. The glasses from Aquileia have not been so carefully analyzed, but they are similar to other Roman glasses. Both glass and sediment or soil need to be analyzed and are the subject of this analytical plan. The glasses need to be analyzed with the goal of validating the model used to describe glass dissolution. The sediment and soil need to be analyzed to determine the profile of elements released from the glass. This latter need represents a significant analytical challenge because of the trace quantities that need to be analyzed. Both pieces of information …
Date:
January 1, 2011
Creator:
Strachan, Denis M.; Buck, Edgar C.; Mueller, Karl T.; Schwantes, Jon M.; Olszta, Matthew J.; Thevuthasan, Suntharampillai et al.
Object Type:
Report
System:
The UNT Digital Library
Anchor Nodes Placement for Effective Passive Localization
This paper discusses anchor nodes placement for effective passive localization. The authors show that, for effective passive localization, the optimal placement of the anchor nodes is at the center of the network in such a way that no three anchor nodes share linearity.
Date:
2011
Creator:
Akl, Robert G.; Pasupathy, Karthikeyan & Haidar, Mohamad
Object Type:
Paper
System:
The UNT Digital Library
[Announcement for Annual Historic Preservation Conference, 2011]
Save-the-date postcard announcing the Annual Historic Preservation Conference to be held March 31st to April 2nd, 2011 in Austin. The front of the card includes an image of the state capitol building and the back describes when and where the event will be held, with contact information.
Date:
2011~
Creator:
Texas Historical Commission
Object Type:
Report
System:
The Portal to Texas History
Annual Young Latino Artists Exhibition, June 17- September 25, 2011
Catalog for the 16th annual Young Latino Artists Exhibition including biographies of participating artists, descriptions of the art pieces in the exhibit, and other information about the series.
Date:
2011
Creator:
Mexic-Arte Museum (Austin, Tex.)
Object Type:
Pamphlet
System:
The Portal to Texas History
ANSI/ASHRAE/IESNA Standard 90.1-2007 Final Qualitative Determination
A final qualitative analysis of all addenda to American National Standards Institute (ANSI)/American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)/Illuminating Engineering Society of North America (IESNA) Standard 90.1-2004 that were included in ANSI/ASHRAE/IESNA Standard 90.1-2007 was conducted. All 44 addenda processed by ASHRAE in the creation of Standard 90.1-2007 from Standard 90.1-2004 were evaluated by the U.S. Department of Energy (DOE) for their impact on energy efficiency. DOE preliminarily determined whether that addenda would have a positive, neutral, or negative impact on overall building efficiency. Table S.1 shows the number of positive and negative changes for each section of Standard 90.1.
Date:
January 1, 2011
Creator:
Halverson, Mark A.; Liu, Bing; Richman, Eric E. & Winiarski, David W.
Object Type:
Report
System:
The UNT Digital Library
Apache Peak Quadrangle
Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date:
2011
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Application of Distribution Transformer Thermal Life Models to Electrified Vehicle Charging Loads Using Monte-Carlo Method: Preprint
Concentrated purchasing patterns of plug-in vehicles may result in localized distribution transformer overload scenarios. Prolonged periods of transformer overloading causes service life decrements, and in worst-case scenarios, results in tripped thermal relays and residential service outages. This analysis will review distribution transformer load models developed in the IEC 60076 standard, and apply the model to a neighborhood with plug-in hybrids. Residential distribution transformers are sized such that night-time cooling provides thermal recovery from heavy load conditions during the daytime utility peak. It is expected that PHEVs will primarily be charged at night in a residential setting. If not managed properly, some distribution transformers could become overloaded, leading to a reduction in transformer life expectancy, thus increasing costs to utilities and consumers. A Monte-Carlo scheme simulated each day of the year, evaluating 100 load scenarios as it swept through the following variables: number of vehicle per transformer, transformer size, and charging rate. A general method for determining expected transformer aging rate will be developed, based on the energy needs of plug-in vehicles loading a residential transformer.
Date:
January 1, 2011
Creator:
Kuss, M.; Markel, T. & Kramer, W.
Object Type:
Article
System:
The UNT Digital Library
Application of the Theory of Interacting Continua to Blood Flow
Micro-scale investigations of the flow and deformation of blood and its formed elements have been studied for many years. Early in vitro investigations in the rotational viscometers or small glass tubes revealed important rheological properties such as the reduced blood apparent viscosity, Fahraeus effect and Fahraeus-Lindqvist effect [1], exhibiting the nonhomogeneous property of blood in microcirculation. We have applied Mixture Theory, also known as Theory of Interacting Continua, to study and model this property of blood [2, 3]. This approach holds great promise for predicting the trafficking of RBCs in micro-scale flows (such as the depletion layer near the wall), and other unique hemorheological phenomena relevant to blood trauma. The blood is assumed to be composed of an RBC component modeled as a nonlinear fluid, suspended in plasma, modeled as a linearly viscous fluid.
Date:
January 1, 2011
Creator:
Massoudi, Mehrdad; Kim, Jeongho; Hund, Samuel J. & Antaki, James F.
Object Type:
Article
System:
The UNT Digital Library
Arbala Quadrangle
Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date:
2011
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History