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State, Foreign Operations Appropriations: A Guide to Component Accounts (open access)

State, Foreign Operations Appropriations: A Guide to Component Accounts

Report that briefly discusses the legislation generally and then provides a short description of the various funding accounts as they appear in Division I, "Department of State, Foreign Operations, and Related Programs Appropriations Act, 2012," of the Consolidated Appropriations Act, 2012 (P.L. 112-74).
Date: August 1, 2013
Creator: Tarnoff, Curt & Tiersky, Alex
Object Type: Report
System: The UNT Digital Library
VA Benefits: Improvements Needed to Ensure Claimants Receive Appropriate Representation (open access)

VA Benefits: Improvements Needed to Ensure Claimants Receive Appropriate Representation

A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Veterans Affairs' (VA) Office of General Counsel (OGC) procedures do not sufficiently ensure that accredited representatives have good character and knowledge. While GAO's analysis shows that VA follows its procedures for reviewing initial accreditation applications, VA relies on limited self-reported information to determine whether applicants have a criminal history or their character could be called into question, which in turn leaves VA vulnerable to accrediting individuals who may not provide responsible assistance. For example, when GAO conducted additional checks on a non-representative sample of accredited individuals, GAO found that some individuals had histories of bankruptcies or liens, information which could help develop a more complete picture of applicants' character and prompt further inquiry by VA into their background. VA's procedures also do not ensure that representatives have adequate program knowledge. For example, VA's initial training requirements are minimal and VA does not consistently monitor whether representatives meet additional continuing education requirements. As a result, some accredited representatives may not have adequate program knowledge to effectively assist clients with their claims. After being briefed on GAO's findings in May 2013, VA's OGC announced plans …
Date: August 1, 2013
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
International Regulatory Cooperation: Agency Efforts Could Benefit from Increased Collaboration and Interagency Guidance (open access)

International Regulatory Cooperation: Agency Efforts Could Benefit from Increased Collaboration and Interagency Guidance

A letter report issued by the Government Accountability Office with an abstract that begins "All seven U.S. regulatory agencies that GAO contacted reported engaging in a range of international regulatory cooperation activities to fulfill their missions. These activities include the United States and its trading partners developing and using international standards, recognizing each other's regulations as equivalent, and sharing scientific data. U.S. agency officials GAO interviewed said they cooperate with foreign counterparts because many products they regulate originate overseas and because they may gain efficiencies--for example, by sharing resources or avoiding duplicative work. Cooperation can address both existing and avoid future regulatory differences. Officials also explained how cooperative efforts enhance public health and safety, facilitate trade, and support competitiveness of U.S. businesses. Several U.S. interagency processes require or enable interagency collaboration on international cooperation activities. The Regulatory Working Group (RWG), chaired by OMB and the Trade Policy Staff Committee (TPSC) are forums that have different responsibilities related to the regulatory and trade aspects of international regulatory cooperation. U.S. regulatory agency officials said the current processes could benefit from better information sharing among agencies on the implementation of international cooperation activities and lessons learned. Without enhancements to current forums, opportunities to …
Date: August 1, 2013
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
DOD's POW/MIA Mission: Capability and Capacity to Account for Missing Persons Undermined by Leadership Weaknesses and Fragmented Organizational Structure (open access)

DOD's POW/MIA Mission: Capability and Capacity to Account for Missing Persons Undermined by Leadership Weaknesses and Fragmented Organizational Structure

Testimony issued by the Government Accountability Office with an abstract that begins "The department's response to the accounting-for goal established in the National Defense Authorization Act for Fiscal Year 2010 brought into sharp relief longstanding disputes that have not been addressed by top-level leaders, and have been exacerbated by the accounting community's fragmented organizational structure. Leadership from the Under Secretary of Defense for Policy and Pacific Command have been unable to resolve disputes between community members in areas such as roles and responsibilities and developing a community-wide plan to meet the statutory accounting-for goal. Further, the accounting community is fragmented in that the community members belong to diverse parent organizations under several different chains of command. With accounting community organizations reporting under different lines of authority, no single entity has overarching responsibility for community-wide personnel and other resources."
Date: August 1, 2013
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Critical Infrastructure Protection: DHS Needs to Improve Its Risk Assessments and Outreach for Chemical Facilities (open access)

Critical Infrastructure Protection: DHS Needs to Improve Its Risk Assessments and Outreach for Chemical Facilities

Testimony issued by the Government Accountability Office with an abstract that begins "In April 2013, GAO reported that, since 2007, the Department of Homeland Security's (DHS) Infrastructure Security Compliance Division (ISCD) assigned about 3,500 high-risk chemical facilities to risk-based tiers under its Chemical Facility Anti-Terrorism Standards (CFATS) program, but it has not fully assessed its approach for doing so. The approach ISCD used to assess risk and make decisions to place facilities in final tiers does not consider all of the elements of consequence, threat, and vulnerability associated with a terrorist attack involving certain chemicals. For example, the risk assessment approach is based primarily on consequences arising from human casualties, but does not consider economic consequences, as called for by the National Infrastructure Protection Plan (NIPP) and the CFATS regulation, nor does it consider vulnerability, consistent with the NIPP. ISCD had taken some actions to examine how its risk assessment approach could be enhanced, including commissioning a panel of experts to assess the current approach and recommend improvements. In April 2013, GAO reported that ISCD needed to incorporate the results of these efforts to help ensure that the revised assessment approach includes all elements of risk. After ISCD has incorporated …
Date: August 1, 2013
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 42, No. 31, Ed. 1 Thursday, August 1, 2013 (open access)

Port Aransas South Jetty (Port Aransas, Tex.), Vol. 42, No. 31, Ed. 1 Thursday, August 1, 2013

Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with extensive advertising.
Date: August 1, 2013
Creator: Judson, Mary Henkel
Object Type: Newspaper
System: The Portal to Texas History
U.S.-China Relations: An Overview of Policy Issues (open access)

U.S.-China Relations: An Overview of Policy Issues

None
Date: August 1, 2013
Creator: unknown
Object Type: Report
System: The UNT Digital Library
The MF Global Bankruptcy, Missing Customer Funds, and Proposals for Reform (open access)

The MF Global Bankruptcy, Missing Customer Funds, and Proposals for Reform

None
Date: August 1, 2013
Creator: unknown
Object Type: Report
System: The UNT Digital Library
NREL Invention Speeds Solar Cell Quality Testing for Industry (Fact Sheet) (open access)

NREL Invention Speeds Solar Cell Quality Testing for Industry (Fact Sheet)

A solid-state optical system, invented by the National Renewable Energy Laboratory (NREL), measures solar cell quantum efficiency (QE) in less than a second, enabling a suite of new capabilities for solar cell manufacturers. QE is a measurement of how cells respond to light across the solar spectrum, but traditional methods for measuring QE had been too slow, limiting its application to small samples pulled from the production line and analyzed in laboratories. NREL's technique, commercialized by Tau Science as the FlashQE(TM) system, uses a solid-state light source, synchronized electronics, and advanced mathematical analysis to parallel-process QE data in a tiny fraction of the time required by the current method, allowing its use on every solar cell passing through a production line.
Date: August 1, 2013
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Bay Ridge Gardens - Mixed-Humid Affordable Multifamily Housing Deep Energy Retrofit (open access)

Bay Ridge Gardens - Mixed-Humid Affordable Multifamily Housing Deep Energy Retrofit

Under this project, Newport Partners (as part of the BA-PIRC research team) evaluated the installation, measured performance, and cost-effectiveness of efficiency upgrade measures for a tenant-in-place DER at the Bay Ridge multifamily (MF) development in Annapolis, Maryland. The design and construction phase of the Bay Ridge project was completed in August 2012. This report summarizes system commissioning, short-term test results, utility bill data analysis, and analysis of real-time data collected over a one-year period after the retrofit was complete. The Bay Ridge project is comprised of a 'base scope' retrofit which was estimated to achieve a 30%+ savings (relative to pre-retrofit) on 186 apartments, and a 'DER scope' which was estimated to achieve 50% savings (relative to pre-retrofit) on a 12-unit building. The base scope was applied to the entire apartment complex, except for one 12-unit building which underwent the DER scope. A wide range of efficiency measures was applied to pursue this savings target for the DER building, including improvements/replacements of mechanical equipment and distribution systems, appliances, lighting and lighting controls, the building envelope, hot water conservation measures, and resident education. The results of this research build upon the current body of knowledge of multifamily retrofits. Towards this end, …
Date: August 1, 2013
Creator: Lyons, J.; Moore, M. & Thompson, M.
Object Type: Report
System: The UNT Digital Library
Water-Chemistry Evolution and Modeling of Radionuclide Sorption and Cation Exchange during Inundation of Frenchman Flat Playa (open access)

Water-Chemistry Evolution and Modeling of Radionuclide Sorption and Cation Exchange during Inundation of Frenchman Flat Playa

Atmospheric tests and other experiments with nuclear materials were conducted on the Frenchman Flat playa at the Nevada National Security Site, Nye County, Nevada; residual radionuclides are known to exist in Frenchman Flat playa soils. Although the playa is typically dry, extended periods of winter precipitation or large single-event rainstorms can inundate the playa. When Frenchman Flat playa is inundated, residual radionuclides on the typically dry playa surface may become submerged, allowing water-soil interactions that could provide a mechanism for transport of radionuclides away from known areas of contamination. The potential for radionuclide transport by occasional inundation of the Frenchman Flat playa was examined using geographic information systems and satellite imagery to delineate the timing and areal extent of inundation; collecting water samples during inundation and analyzing them for chemical and isotopic content; characterizing suspended/precipitated materials and archived soil samples; modeling water-soil geochemical reactions; and modeling the mobility of select radionuclides under aqueous conditions. The physical transport of radionuclides by water was not evaluated in this study. Frenchman Flat playa was inundated with precipitation during two consecutive winters in 2009-2010 and 2010-2011. Inundation allowed for collection of multiple water samples through time as the areal extent of inundation changed and …
Date: August 1, 2013
Creator: Hershey, Ronald; Cablk, Mary; LeFebre, Karen; Fenstermaker, Lynn & Decker, David
Object Type: Report
System: The UNT Digital Library
Quantum Dots Promise to Significantly Boost Solar Cell Efficiencies (Fact Sheet) (open access)

Quantum Dots Promise to Significantly Boost Solar Cell Efficiencies (Fact Sheet)

In the search for a third generation of solar-cell technologies, a leading candidate is the use of 'quantum dots' -- tiny spheres of semiconductor material measuring only about 2-10 billionths of a meter in diameter. Quantum dots have the potential to dramatically increase the efficiency of converting sunlight into energy -- perhaps even doubling it in some devices -- because of their ability to generate more than one bound electron-hole pair, or exciton, per incoming photon. NREL has produced quantum dots using colloidal suspensions; then, using molecular self-assembly, they have been fabricated into the first-ever quantum-dot solar cells. While these devices operate with only 4.4% efficiency, they demonstrate the capability for low-cost manufacturing.
Date: August 1, 2013
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Evaluation of Two CEDA Weatherization Pilot Implementations of an Exterior Insulation and Over-Clad Retrofit Strategy for Residential Masonry Buildings in Chicago (open access)

Evaluation of Two CEDA Weatherization Pilot Implementations of an Exterior Insulation and Over-Clad Retrofit Strategy for Residential Masonry Buildings in Chicago

This project examines the implementation of an exterior insulation and over-clad strategy for brick masonry buildings in Chicago. The strategy was implemented at a free-standing two story two-family dwelling and a larger free-standing multifamily building. The test homes selected for this research represent predominant housing types for the Chicago area. High heating energy use typical in these buildings threaten housing affordability. Uninsulated mass masonry wall assemblies also have a strongly detrimental impact on comfort. Significant changes to the performance of masonry wall assemblies is generally beyond the reach of typical weatherization (Wx) program resources. The Community and Economic Development Association of Cook County, Inc. (CEDA) has secured a Sustainable Energy Resources for Consumers (SERC) innovation grant sponsored by the United States Department of Energy (DOE). This grant provides CEDA the opportunity to pursue a pilot implementation of innovative approaches to retrofit in masonry wall enclosures. The exterior insulation and over-clad strategy implemented through this project was designed to allow implementation by contractors active in CEDA weatherization programs and using materials and methods familiar to these contractors. The retrofit measures are evaluated in terms of feasibility, cost and performance. Through observations of the strategies implemented, the research described in this report …
Date: August 1, 2013
Creator: Neuhauser, K.
Object Type: Report
System: The UNT Digital Library
Reducing Enzyme Costs Increases the Market Potential of Biofuels (Fact Sheet) (open access)

Reducing Enzyme Costs Increases the Market Potential of Biofuels (Fact Sheet)

Cellulosic ethanol prices depend heavily on the cost of the cellulase enzymes used to break down the biomass into fermentable sugars. To reduce these costs, NREL partnered with two leading enzyme companies, Novozymes and Genencor, to engineer new cellulase enzymes that are exceptionally good at breaking down cellulose. Genencor is now part of DuPont Industrial Biosciences.
Date: August 1, 2013
Creator: unknown
Object Type: Report
System: The UNT Digital Library
GFMC calculations of electromagnetic moments and M1 transitions in A {<=} 9 nuclei (open access)

GFMC calculations of electromagnetic moments and M1 transitions in A {<=} 9 nuclei

We present recent Green’s function Monte Carlo calculations of magnetic moments and M1 transitions in A{<=}#20;9 nuclei, which include corrections arising from two-body meson-exchange electromagnetic currents. Two-body effects provide significant corrections to the calculated observables, bringing them in excellent agreement with the experimental data. In particular, we find that two body corrections are especially large in the A = 9, T = 3/2 systems, in which they account for up to ~#24; 20% (~#24; 40%) of the total predicted value for the {sup 9}Li ({sup 9}C) magnetic moment.
Date: August 1, 2013
Creator: Pastore, Saori; Pieper, Steven C.; Schiavilla, Rocco & Wiringa, Robert Bruce
Object Type: Article
System: The UNT Digital Library
New Structural-Dynamics Module for Offshore Multimember Substructures within the Wind Turbine Computer-Aided Engineering Tool FAST: Preprint (open access)

New Structural-Dynamics Module for Offshore Multimember Substructures within the Wind Turbine Computer-Aided Engineering Tool FAST: Preprint

FAST, developed by the National Renewable Energy Laboratory (NREL), is a computer-aided engineering (CAE) tool for aero-hydro-servo-elastic analysis of land-based and offshore wind turbines. This paper discusses recent upgrades made to FAST to enable loads simulations of offshore wind turbines with fixed-bottom, multimember support structures (e.g., jackets and tripods, which are commonly used in transitional-depth waters). The main theory and strategies for the implementation of the multimember substructure dynamics module (SubDyn) within the new FAST modularization framework are introduced. SubDyn relies on two main engineering schematizations: 1) a linear frame finite-element beam (LFEB) model and 2) a dynamics system reduction via Craig-Bampton's method. A jacket support structure and an offshore system consisting of a turbine atop a jacket substructure were simulated to test the SubDyn module and to preliminarily assess results against results from a commercial finite-element code.
Date: August 1, 2013
Creator: Song, H.; Damiani, R.; Robertson, A. & Jonkman, J.
Object Type: Article
System: The UNT Digital Library
AGC-2 Graphite Preirradiation Data Analysis Report (open access)

AGC-2 Graphite Preirradiation Data Analysis Report

This report described the specimen loading order and documents all pre-irradiation examination material property measurement data for the graphite specimens contained within the second Advanced Graphite Capsule (AGC-2) irradiation capsule. The AGC-2 capsule is the second in six planned irradiation capsules comprising the Advanced Graphite Creep (AGC) test series. The AGC test series is used to irradiate graphite specimens allowing quantitative data necessary for predicting the irradiation behavior and operating performance of new nuclear graphite grades to be generated which will ascertain the in-service behavior of the graphite for pebble bed and prismatic Very High Temperature Reactor (VHTR) designs. Similar to the AGC-1 specimen pre-irradiation examination report, material property tests were conducted on specimens from 18 nuclear graphite types but on an increased number of specimens (512) prior to loading into the AGC-2 irradiation assembly. All AGC-2 specimen testing was conducted at Idaho National Laboratory (INL) from October 2009 to August 2010. This report also details the specimen loading methodology for the graphite specimens inside the AGC-2 irradiation capsule. The AGC-2 capsule design requires “matched pair” creep specimens that have similar dose levels above and below the neutron flux profile mid-plane to provide similar specimens with and without an applied …
Date: August 1, 2013
Creator: Windes, William; Swank, W. David; Rohrbaugh, David & Lord, Joseph
Object Type: Report
System: The UNT Digital Library
Breakthrough Furnace Can Cut Solar Industry Costs (Fact Sheet) (open access)

Breakthrough Furnace Can Cut Solar Industry Costs (Fact Sheet)

A game-changing Optical Cavity Furnace (OCF), developed by NREL, uses optics to heat and purify solar cells at unmatched precision, while also boosting the cells' efficiency.
Date: August 1, 2013
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Chemical incident economic impact analysis methodology. (open access)

Chemical incident economic impact analysis methodology.

None
Date: August 1, 2013
Creator: Miller, Trisha Hoette; Stevens, Troy; Rath, Charles R.; Tenney, Craig M.; Kinnan, Mark K. & Pepple, Mark
Object Type: Report
System: The UNT Digital Library
Equipment Loan: Cooperative Research and Development Final Report, CRADA Number CRD-07-250 (open access)

Equipment Loan: Cooperative Research and Development Final Report, CRADA Number CRD-07-250

Site-specific, long-term, continuous, and high-resolution measurements of solar irradiance are important for developing renewable resource data. These data are used for several research and development activities consistent with the NREL mission: establish a national 30-year climatological database of measured solar irradiances; provide high quality ground-truth data for satellite remote sensing validation; support development of radiative transfer models for estimating solar irradiance from available meteorological observations; provide solar resource information needed for technology deployment and operations.
Date: August 1, 2013
Creator: Stoffel, T.
Object Type: Report
System: The UNT Digital Library
Transport Phenomena and Interfacial Kinetics in Planar Microfluidic Membraneless Fuel Cells (open access)

Transport Phenomena and Interfacial Kinetics in Planar Microfluidic Membraneless Fuel Cells

Our work is focused on membraneless laminar flow fuel cells, an unconventional fuel cell technology, intended to create a system that not only avoids most typical fuel cell drawbacks, but also achieves the highest power density yet recorded for a non-H{sub 2} fuel cell. We have employed rigorous electrochemistry to characterize the high-energy- density fuel BH4-, providing important mechanistic insight for anode catalyst choice and avoiding deleterious side reactions. Numerous fuel cell oxidants, used in place of O{sub 2}, are compared in a detailed, uniform manner, and a powerful new oxidant, cerium ammonium nitrate (CAN), is described. The high-voltage BH{sub 4}{sup -}/CAN fuel/oxidant combination is employed in a membraneless, room temperature, laminar-flow fuel cell, with herringbone micromixers which provide chaotic-convective flow which, in turn, enhances both the power output and efficiency of the device. We have also been involved in the design of a scaled-up version of the membraneless laminar flow fuel cell intended to provide a 10W output.
Date: August 1, 2013
Creator: Abruna, Hector Daniel
Object Type: Report
System: The UNT Digital Library
Wavebreaking and Particle Trapping in Collisionless Plasmas: Final Report (open access)

Wavebreaking and Particle Trapping in Collisionless Plasmas: Final Report

The final report describing accomplishments in understanding phase-space processes involved in particle trapping and in developing advance numerical models of laser-plasma interactions.
Date: August 1, 2013
Creator: Shadwick, Bradley A.
Object Type: Report
System: The UNT Digital Library
Renormalization and power counting of chiral nuclear forces (open access)

Renormalization and power counting of chiral nuclear forces

I discuss the progress we have made on modifying Weinberg's prescription for chiral nuclear forces, using renormalization group invariance as the guideline. Some of the published results are presented.
Date: August 1, 2013
Creator: Long, Bingwei
Object Type: Article
System: The UNT Digital Library
Quantifying the Impact of Single Bit Flips on Floating Point Arithmetic (open access)

Quantifying the Impact of Single Bit Flips on Floating Point Arithmetic

In high-end computing, the collective surface area, smaller fabrication sizes, and increasing density of components have led to an increase in the number of observed bit flips. If mechanisms are not in place to detect them, such flips produce silent errors, i.e. the code returns a result that deviates from the desired solution by more than the allowed tolerance and the discrepancy cannot be distinguished from the standard numerical error associated with the algorithm. These phenomena are believed to occur more frequently in DRAM, but logic gates, arithmetic units, and other circuits are also susceptible to bit flips. Previous work has focused on algorithmic techniques for detecting and correcting bit flips in specific data structures, however, they suffer from lack of generality and often times cannot be implemented in heterogeneous computing environment. Our work takes a novel approach to this problem. We focus on quantifying the impact of a single bit flip on specific floating-point operations. We analyze the error induced by flipping specific bits in the most widely used IEEE floating-point representation in an architecture-agnostic manner, i.e., without requiring proprietary information such as bit flip rates and the vendor-specific circuit designs. We initially study dot products of vectors and …
Date: August 1, 2013
Creator: Elliott, James J.; Mueller, Frank; Stoyanov, Miroslav K. & Webster, Clayton G.
Object Type: Report
System: The UNT Digital Library