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Senior Recital: 2013-04-03 - Sarah Tran, Flute
Access:
Use of this item is restricted to the UNT Community
A senior recital performed at the UNT College of Music Voertman Hall.
Date:
April 3, 2013
Creator:
Tran, Sarah
Object Type:
Sound
System:
The UNT Digital Library
Cybersecurity: Authoritative Reports and Resources, by Topic
This report provides references to analytical reports on cybersecurity from CRS, other government agencies, trade associations, and interest groups. The reports and related websites are grouped under the following cybersecurity topics: policy overview; National Strategy for Trusted Identities in Cyberspace (NSTIC); cloud computing and FedRAMP; critical infrastructure; cybercrime, data breaches and data security; national security, cyber espionage, and cyberwar (including Stuxnet); international efforts; education/training/workforce; and research and development (R&D).
Date:
April 3, 2014
Creator:
Tehan, Rita
Object Type:
Report
System:
The UNT Digital Library
2020 Census: Prioritized Information Technology Research and Testing Is Needed for Census Design Decisions
A letter report issued by the Government Accountability Office with an abstract that begins "The Census Bureau (Bureau) has made progress in researching and testing information technology (IT) options for the 2020 Decennial Census, but several of the supporting projects lack schedules and plans, and it is uncertain whether they will be completed in time to inform the decision on the operational design for the 2020 census, planned for September 2015. Specifically, it has begun research on six IT-related projects, such as using the Internet for survey response and using employees' personal smartphones to collect census data. However, four of the projects lacked finalized schedules, and three lacked plans for gauging progress. Moreover, the two projects with completed schedules are not estimated to be completed until after the September 2015 design decision date (see figure)."
Date:
April 3, 2014
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federal Employees' Compensation Act: Case Examples Illustrate Vulnerabilities That Could Result in Improper Payments or Overlapping Benefits
A letter report issued by the Government Accountability Office with an abstract that begins "GAO found examples of improper payments and indicators of potential fraud in the Federal Employees' Compensation Act (FECA) program, which could be attributed, in part, to oversight and data-access issues. GAO found examples of claimants' receiving overlapping FECA and unemployment insurance (UI) benefits, which may be allowable under certain circumstances, but could also be erroneous. GAO also found that FECA program requirements allow claimants to receive earnings, and earnings increases, without necessarily resulting in adjustment of FECA compensation. For example, of the 32 FECA case files reviewed, GAO found five instances where an individual's wage-earning capacity (WEC), which is used to determine FECA benefits, was not adjusted even though the individual earned substantially more than the wage that was originally used to calculate the WEC. In addition, two FECA claimants continued to receive privateemployment salaries that were not subject to their WEC calculation. This is because, as currently written, program procedures allow claimants to receive increases in earnings, in certain circumstances, without adjustments to FECA compensation, and current law allows for claimants' earnings from dissimilar concurrent private employment at the time of injury to be exempt …
Date:
April 3, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
International Financial Reforms: U.S. and Other Jurisdictions' Efforts to Develop and Implement Reforms
A letter report issued by the Government Accountability Office with an abstract that begins "The United States has played an active role in helping to reform financial regulations to address weaknesses revealed by the 2007-2009 financial crisis. According to Treasury officials, during the acute phase of the crisis, the United States proposed elevating the Group of Twenty (G20) forum—representing 19 countries (including the United States) and the European Union—from the level of finance ministers and central banks to the level of heads of state or government. In 2008, the U.S. President and other G20 leaders held their first summit in Washington, D.C., in part to establish a framework to help prevent financial crises. The G20 leaders established principles for financial regulatory reform and agreed on a series of financial reforms, which they have revised or expanded at subsequent summits. To implement their reforms, the G20 leaders generally have called on their national authorities—finance ministries, central banks, and regulators—and international bodies, including the Financial Stability Board (FSB) and standard setting bodies, such as the Basel Committee on Banking Supervision. In 2009, the G20 leaders established FSB to coordinate and promote implementation of the financial reforms, which typically involves standard setting bodies …
Date:
April 3, 2014
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Communications Networks: Outcome-Based Measures Would Assist DHS in Assessing Effectiveness of Cybersecurity Efforts
A letter report issued by the Government Accountability Office with an abstract that begins "While the primary responsibility for protecting the nation's communications networks belongs to private-sector owners and operators, federal agencies also play a role in support of their security, as well as that of critical components supporting the Internet. Specifically, private-sector entities are responsible for the operational security of the networks they own, but the Federal Communications Commission (FCC) and the Departments of Homeland Security (DHS), Defense, and Commerce have regulatory and support roles, as established in federal law and policy, and have taken a variety of related actions. For example, FCC has developed and maintained a system for reporting network outage information; DHS has multiple components focused on assessing risk and sharing threat information; Defense and DHS serve as co-chairs for a committee on national security and emergency preparedness for telecommunications functions; and Commerce has studied cyber risks facing the communications infrastructure and participates in standards development. However, DHS and its partners have not yet initiated the process for developing outcome-based performance measures related to the cyber protection of key parts of the communications infrastructure. Outcome-based metrics related to communications networks and critical components supporting the Internet …
Date:
April 3, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Infrastructure: Army Has a Process to Manage Litigation Costs for the Military Housing Privatization Initiative
A letter report issued by the Government Accountability Office with an abstract that begins "The Army has a standard process to manage litigation costs of its Military Housing Privatization Initiative (MHPI) projects that are not accounted for in the annual budget process. Army officials indicated that there is one case between four Army MHPI projects and Pinnacle Property Management (Pinnacle) that met the dollar threshold criteria and that would have been approved through this process. However, Army officials did not use the standard process because the Army determined that it needed to limit access to Pinnacle litigation information to avoid disclosing any information material to the litigation strategy. As a result, the Army used an alternative process to review and approve litigation costs for Pinnacle that is consistent with MHPI operating agreements. Had the standard process been followed, litigation and litigation cost information would have been shared with the MHPI projects construction company, Clark Realty Capital (Clark), and four different offices within the Army. Army and Clark officials decided to use the alternative process allowed by the MHPI’s operating agreements so that fewer personnel would be aware of ongoing litigation information involving Pinnacle. The alternative process allows the Army and …
Date:
April 3, 2014
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federal Support for Streetcars: Frequently Asked Questions
This report answers some frequently asked questions about streetcars and federal involvement in their construction and operation. It concludes by laying out policy options for Congress in dealing with streetcars.
Date:
April 3, 2014
Creator:
Mallett, William J.
Object Type:
Report
System:
The UNT Digital Library
The Earned Income Tax Credit (EITC): An Overview
This report discusses the earned income tax credit (EITC), established in the tax code in 1975, which offers cash aid to working parents with relatively low incomes who care for dependent children.
Date:
April 3, 2014
Creator:
Scott, Christine & Crandall-Hollick, Margot L.
Object Type:
Report
System:
The UNT Digital Library
Patient Protection and Affordable Care Act (ACA): Resources for Frequently Asked Questions
The report provides basic consumer sources, including broad overviews of the Affordable Care Act. The next sections focus on health coverage, as well as public health care programs. The report then lists sources on employer-sponsored coverage. Sources on ACA's provisions on mental health, public health, workforce, quality, and taxes are also provided. Finally, the report lists sources on ACA costs and appropriations, and sources for obtaining the law's full-text.
Date:
April 3, 2014
Creator:
Napili, Angela
Object Type:
Report
System:
The UNT Digital Library
The Greensheet (Houston, Tex.), Vol. 43, No. 109, Ed. 1 Tuesday, April 3, 2012
Free weekly newspaper that includes business and classified advertising.
Date:
April 3, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 43, No. 110, Ed. 1 Tuesday, April 3, 2012
Free weekly newspaper that includes business and classified advertising.
Date:
April 3, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 157, No. 10, Ed. 1 Saturday, April 3, 2010
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
April 3, 2010
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
Boko Haram
This report details the emergence of Boko Haram as major terrorist organization.
Date:
April 3, 2015
Creator:
Blanchard, Lauren Ploch
Object Type:
Report
System:
The UNT Digital Library
Potential Employer Penalties Under the Patient Protection and Affordable Care Act (ACA)
None
Date:
April 3, 2013
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
On The Origin Of High Energy Correlations in Gamma-ray Bursts
I investigate the origin of the observed correlation between a gamma-ray burst's {nu}F{sub {nu}} spectral peak E{sub pk} and its isotropic equivalent energy E{sub iso} through the use of a population synthesis code to model the prompt gamma-ray emission from GRBs. By using prescriptions for the distribution of prompt spectral parameters as well as the population's luminosity function and co-moving rate density, I generate a simulated population of GRBs and examine how bursts of varying spectral properties and redshift would appear to a gamma-ray detector here on Earth. I find that a strong observed correlation can be produced between the source frame Epk and Eiso for the detected population despite the existence of only a weak and broad correlation in the original simulated population. The energy dependance of a gamma-ray detector's flux-limited detection threshold acts to produce a correlation between the source frame E{sub pk} and E{sub iso} for low luminosity GRBs, producing the left boundary of the observed correlation. Conversely, very luminous GRBs are found at higher redshifts than their low luminosity counterparts due to the standard Malquest bias, causing bursts in the low E{sub pk}, high E{sub iso} regime to go undetected because their E{sub pk} values would …
Date:
April 3, 2012
Creator:
Kocevski, Daniel
Object Type:
Article
System:
The UNT Digital Library
RECOMMENDED TRITIUM OXIDE DEPOSITION VELOCITY FOR USE IN SAVANNAH RIVER SITE SAFETY ANALYSES
The Defense Nuclear Facilities Safety Board (DNFSB) has recently questioned the appropriate value for tritium deposition velocity used in the MELCOR Accident Consequence Code System Ver. 2 (Chanin and Young 1998) code when estimating bounding dose (95th percentile) for safety analysis (DNFSB 2011). The purpose of this paper is to provide appropriate, defensible values of the tritium deposition velocity for use in Savannah River Site (SRS) safety analyses. To accomplish this, consideration must be given to the re-emission of tritium after deposition. Approximately 85% of the surface area of the SRS is forested. The majority of the forests are pine plantations, 68%. The remaining forest area is 6% mixed pine and hardwood and 26% swamp hardwood. Most of the path from potential release points to the site boundary is through forested land. A search of published studies indicate daylight, tritiated water (HTO) vapor deposition velocities in forest vegetation can range from 0.07 to 2.8 cm/s. Analysis of the results of studies done on an SRS pine plantation and climatological data from the SRS meteorological network indicate that the average deposition velocity during daylight periods is around 0.42 cm/s. The minimum deposition velocity was determined to be about 0.1 cm/s, which …
Date:
April 3, 2012
Creator:
Lee, P.; Murphy, C.; Viner, B.; Hunter, C. & Jannik, T.
Object Type:
Report
System:
The UNT Digital Library
Laser Welding and Post Weld Treatment of Modified 9cr-1movnb Steel.
Laser welding and post weld laser treatment of modified 9Cr-1MoVNb steels (Grade P91) were performed in this preliminary study to investigate the feasibility of using laser welding process as a potential alternative to arc welding methods for solving the Type IV cracking problem in P91 steel welds. The mechanical and metallurgical testing of the pulsed Nd:YAG laser-welded samples shows the following conclusions: (1) both bead-on-plate and circumferential butt welds made by a pulsed Nd:YAG laser show good welds that are free of microcracks and porosity. The narrow heat affected zone has a homogeneous grain structure without conventional soft hardness zone where the Type IV cracking occurs in conventional arc welds. (2) The laser weld tests also show that the same laser welder has the potential to be used as a multi-function tool for weld surface remelting, glazing or post weld tempering to reduce the weld surface defects and to increase the cracking resistance and toughness of the welds. (3) The Vicker hardness of laser welds in the weld and heat affected zone was 420-500 HV with peak hardness in the HAZ compared to 240 HV of base metal. Post weld laser treatment was able to slightly reduce the peak hardness …
Date:
April 3, 2012
Creator:
Xu, Z. (Nuclear Engineering Division)
Object Type:
Report
System:
The UNT Digital Library
Cellulose and cellobiose: adventures of a wandering organic chemist in theoretical chemistry
The energies arising from the rotation of free hydroxyl groups in the central glucose residue of a cellulose crystalline assembly, calculated using RHF, DFT, and FMO2/MP2 methods, will be presented. In addition, interactions of this central glucose residue with some of the surrounding residues (selected on the basis of the interaction strengths) are analyzed. The mechanism of acid-catalyzed hydrolysis of cellobiose, which is the repeating unit of cellulose. Energies corresponding to the different steps of this mechanism calculated using RHF and DFT are compared with those previously reported using molecular dynamics calculations and with experimental data.
Date:
April 3, 2012
Creator:
Baluyut, John
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Variations in Map Products Demonstrated During the FRMAC Fukushima Daiichi Response
This presentation provides a brief summary of the Fukushima Daiichi disaster, discussion on map uses and production, early phase maps, intermediate phase maps, and late phase maps.
Date:
April 3, 2012
Creator:
Pemberton, W. J.
Object Type:
Article
System:
The UNT Digital Library
Combined Fit to BaBar and Belle Data on E E- to Phi Pi+ Pi- and Phi F0(980)
A combined fit is performed to the BaBar and Belle measurements of the e{sup +}e{sup -} {yields} {phi}{pi}{sup +}{pi}{sup -} and {phi}f{sub 0}(980) cross sections for center-of-mass energy between threshold and 3.0 GeV. The resonance parameters of the {phi}(1680) and Y(2175) are determined. The mass is (1681{sub -12}{sup +10}) MeV/c{sup 2} and the width is (221{sub -24}{sup +34}) MeV/c{sup 2} for the {phi}(1680), and the mass is (2117{sub -49}{sup +59}) MeV/c{sup 2} and the width is (164{sub -80}{sup +69}) MeV/c{sup 2} for the Y(2175). These information will shed light on the understanding of the nature of the excited {phi} and Y states observed in e{sup +}e{sup -} annihilation.
Date:
April 3, 2012
Creator:
Shen, C. P. & Yuan, C. Z.
Object Type:
Article
System:
The UNT Digital Library
Analyticity and the Holographic S-Matrix
We derive a simple relation between the Mellin amplitude for AdS/CFT correlation functions and the bulk S-Matrix in the flat spacetime limit, proving a conjecture of Penedones. As a consequence of the Operator Product Expansion, the Mellin amplitude for any unitary CFT must be a meromorphic function with simple poles on the real axis. This provides a powerful and suggestive handle on the locality vis-a-vis analyticity properties of the S-Matrix. We begin to explore analyticity by showing how the familiar poles and branch cuts of scattering amplitudes arise from the holographic description. For this purpose we compute examples of Mellin amplitudes corresponding to 1-loop and 2-loop Witten diagrams in AdS. We also examine the flat spacetime limit of conformal blocks, implicitly relating the S-Matrix program to the Bootstrap program for CFTs. We use this connection to show how the existence of small black holes in AdS leads to a universal prediction for the conformal block decomposition of the dual CFT.
Date:
April 3, 2012
Creator:
Fitzpatrick, A.Liam; /Stanford U., Phys. Dept. & Kaplan, Jared
Object Type:
Article
System:
The UNT Digital Library
Photoluminescence of Diamondoid Crystals
The photoluminescence of diamondoids in the solid state is examined. All of the diamondoids are found to photoluminesce readily with initial excitation wavelengths ranging from 233 nm to 240 nm (5.3 eV). These excitation energies are more than 1 eV lower than any previously studied saturated hydrocarbon material. The emission is found to be heavily shifted from the absorption, with emission wavelengths of roughly 295 nm (4.2 eV) in all cases. In the dissolved state, however, no uorescence is observed for excitation wavelengths as short as 200 nm. We also discuss predictions and measurements of the quantum yield. Our predictions indicate that the maximum yield may be as high as 25%. Our measurement of one species, diamantane, gives a yield of 11%, the highest ever reported for a saturated hydrocarbon, even though it was likely not at the optimal excitation wavelength.
Date:
April 3, 2012
Creator:
Clay, William; /Stanford U., Phys. Dept. /Stanford U., Appl. Phys. Dept. /Stanford U., Geballe Lab.; Sasagawa, Takao; Iwasa, Akio; /TIT, Nagatsuta; Liu, Zhi et al.
Object Type:
Article
System:
The UNT Digital Library
Tellurium-Containing Conjugated Materials for Solar Cells: From Sulfur to Tellurium
A series of diketopyrrolopyrrole(DPP)-based small molecules have been synthesized by palladium-catalyzed coupling reactions. Electron-donating moieties (benzothiophene, benzoselenophene, and benzotellurophene) are bridged by an electron-withdrawing DPP unit to generate donor-acceptor-donor (D-A-D) type molecules. We observe red-shifts in absorption spectra of these compounds by varying heteroatoms from sulfur to tellurium. In bulk heterojunction solar cells with [6,6]phenyl-C61-butyric acid methyl ester (PC61BM) as acceptor, we obtain power conversion efficiencies of 2.4% (benzothiophene), 4.1% (benzoselenophene), and 3.0% (benzotellurophene), respectively.
Date:
April 3, 2013
Creator:
S., Park Y.; Kale, T.; Wu, Q.; Ocko, B.M. & Black, C.T., Grubbs, R.B.
Object Type:
Article
System:
The UNT Digital Library