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Azerbaijan: Recent Developments and U.S. Interests (open access)

Azerbaijan: Recent Developments and U.S. Interests

This report discusses political, economic, and security challenges facing Azerbaijan, including the unsettled conflict in the breakaway Nagorno Karabakh region. A table provides basic facts and biographical information.
Date: June 29, 2012
Creator: Nichol, Jim
System: The UNT Digital Library
Azerbaijan: Recent Developments and U.S. Interests (open access)

Azerbaijan: Recent Developments and U.S. Interests

This report covers the recent history of Azerbaijan and the purposes for U.S. assistance, according to the Obama Administration. Azerbaijan has been a useful ally since the terrorist attacks on September 11, 2001, granting over-flight rights to the U.S. and approving numerous landings in their civilian airport.
Date: June 29, 2012
Creator: Nichol, Jim
System: The UNT Digital Library
Bahrain: Reform, Security, and U.S. Policy (open access)

Bahrain: Reform, Security, and U.S. Policy

This report discusses the current state of Bahrain, which has undergone substantial political reforms since the late 1990s, but which still suffers from tension between the Shiite majority and the Sunni-led government. This report focuses particularly on Bahrain's relationship with Iran and Bahrain's relationship with the United States.
Date: June 29, 2012
Creator: Katzman, Kenneth
System: The UNT Digital Library
Catalyzed Ceramic Burner Material (open access)

Catalyzed Ceramic Burner Material

Catalyzed combustion offers the advantages of increased fuel efficiency, decreased emissions (both NOx and CO), and an expanded operating range. These performance improvements are related to the ability of the catalyst to stabilize a flame at or within the burner media and to combust fuel at much lower temperatures. This technology has a diverse set of applications in industrial and commercial heating, including boilers for the paper, food and chemical industries. However, wide spread adoption of catalyzed combustion has been limited by the high cost of precious metals needed for the catalyst materials. The primary objective of this project was the development of an innovative catalyzed burner media for commercial and small industrial boiler applications that drastically reduce the unit cost of the catalyzed media without sacrificing the benefits associated with catalyzed combustion. The scope of this program was to identify both the optimum substrate material as well as the best performing catalyst construction to meet or exceed industry standards for durability, cost, energy efficiency, and emissions. It was anticipated that commercial implementation of this technology would result in significant energy savings and reduced emissions. Based on demonstrated achievements, there is a potential to reduce NOx emissions by 40,000 TPY …
Date: June 29, 2012
Creator: Barnes, Amy S.
System: The UNT Digital Library
Coast Guard Cutter Procurement: Background and Issues for Congress (open access)

Coast Guard Cutter Procurement: Background and Issues for Congress

This report looks at the cost of funding the Coast Guard's program of record's (POR) call for procuring eight National Security Cutters (NSCs), 25 Offshore Patrol Cutters (OPCs), and 58 Fast Response Cutters (FRCs) as replacements for 90 aging Coast Guard cutters and patrol craft. It also addresses issues for maintenance, future acquisition, and definitions of the types of cutters.
Date: June 29, 2012
Creator: O'Rourke, Ronald
System: The UNT Digital Library
Cornell Fuel Cell Institute: Materials Discovery to Enable Fuel Cell Technologies (open access)

Cornell Fuel Cell Institute: Materials Discovery to Enable Fuel Cell Technologies

The discovery and understanding of new, improved materials to advance fuel cell technology are the objectives of the Cornell Fuel Cell Institute (CFCI) research program. CFCI was initially formed in 2003. This report highlights the accomplishments from 2006-2009. Many of the grand challenges in energy science and technology are based on the need for materials with greatly improved or even revolutionary properties and performance. This is certainly true for fuel cells, which have the promise of being highly efficient in the conversion of chemical energy to electrical energy. Fuel cells offer the possibility of efficiencies perhaps up to 90 % based on the free energy of reaction. Here, the challenges are clearly in the materials used to construct the heart of the fuel cell: the membrane electrode assembly (MEA). The MEA consists of two electrodes separated by an ionically conducting membrane. Each electrode is a nanocomposite of electronically conducting catalyst support, ionic conductor and open porosity, that together form three percolation networks that must connect to each catalyst nanoparticle; otherwise the catalyst is inactive. This report highlights the findings of the three years completing the CFCI funding, and incudes developments in materials for electrocatalyts, catalyst supports, materials with structured and …
Date: June 29, 2012
Creator: Abruna, H. D. & DiSalvo, Francis J.
System: The UNT Digital Library
Decommissioning of the Remediation Systems at Waverly, Nebraska, in 2011-2012. (open access)

Decommissioning of the Remediation Systems at Waverly, Nebraska, in 2011-2012.

The Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) operated a grain storage facility in Waverly, Nebraska, from 1952 to 1974. During this time, the grain fumigant '80/20' (carbon tetrachloride/carbon disulfide) was used to preserve stored grain. In 1982, sampling by the U.S. Environmental Protection Agency (EPA) found carbon tetrachloride contamination in the town's groundwater. After an investigation of the contaminant distribution, the site was placed on the National Priority List (NPL) in 1986, and the CCC/USDA accepted responsibility for the contamination. An Interagency Compliance Agreement between the EPA and the CCC/USDA was finalized in May 1988 (EPA 1990). The EPA (Woodward-Clyde Consultants, contractor) started immediate cleanup efforts in 1987 with the installation of an air stripper, a soil vapor extraction system, a groundwater extraction well, and groundwater and soil gas monitoring wells (Woodward-Clyde 1986, 1988a,b). After the EPA issued its Record of Decision (ROD; EPA 1990), the CCC/USDA (Argonne National Laboratory, contractor) took over operation of the treatment systems. The CCC/USDA conducted a site investigation (Argonne 1991, 1992a,b), during which a carbon tetrachloride plume in groundwater was discovered northeast of the former facility. This plume was not being captured by the existing groundwater extraction system. The remediation …
Date: June 29, 2012
Creator: LaFreniere, L. M.
System: The UNT Digital Library
Demonstration Assessment of LED Roadway Lighting: NE Cully Boulevard Portland, OR (open access)

Demonstration Assessment of LED Roadway Lighting: NE Cully Boulevard Portland, OR

A new roadway lighting demonstration project was initiated in late 2010, which was planned in conjunction with other upgrades to NE Cully Boulevard, a residential collector road in the northeast area of Portland, OR. With the NE Cully Boulevard project, the Portland Bureau of Transportation hoped to demonstrate different light source technologies and different luminaires side-by-side. This report documents the initial performance of six different newly installed luminaires, including three LED products, one induction product, one ceramic metal halide product, and one high-pressure sodium (HPS) product that represented the baseline solution. It includes reported, calculated, and measured performance; evaluates the economic feasibility of each of the alternative luminaires; and documents user feedback collected from a group of local Illuminating Engineering Society (IES) members that toured the site. This report does not contain any long-term performance evaluations or laboratory measurements of luminaire performance. Although not all of the installed products performed equally, the alternative luminaires generally offered higher efficacy, more appropriate luminous intensity distributions, and favorable color quality when compared to the baseline HPS luminaire. However, some products did not provide sufficient illumination to all areas—vehicular drive lanes, bicycle lanes, and sidewalks—or would likely fail to meet design criteria over the …
Date: June 29, 2012
Creator: Royer, Michael P.; Poplawski, Michael E. & Tuenge, Jason R.
System: The UNT Digital Library
Employment for People with Disabilities: Little Is Known about the Effectiveness of Fragmented and Overlapping Programs (open access)

Employment for People with Disabilities: Little Is Known about the Effectiveness of Fragmented and Overlapping Programs

A letter report issued by the Government Accountability Office with an abstract that begins "GAO identified 45 programs that supported employment for people with disabilities in fiscal year 2010, reflecting a fragmented system of services. The programs were administered by nine federal agencies and overseen by even more congressional committees. All programs overlapped with at least one other program in that they provided one or more similar employment service to a similar population—people with disabilities. The greatest overlap occurred in programs serving veterans and servicemembers (19 programs) and youth and young adults (5 programs). In addition, GAO identified seven programs that did not limit eligibility to any particular population and were potentially available to veterans and servicemembers or youth. Some overlapping programs, such as those with specific eligibility requirements, have less potential for duplication—providing the same services to the same beneficiaries—than others. However, even when the potential for duplication of services is low, there may be inefficiencies associated with operating multiple programs that provide similar services to similar populations. Coordination across programs may help address fragmentation and potential duplication, but officials that GAO surveyed reported only limited coordination. However, among six selected programs that only serve people with disabilities—including the …
Date: June 29, 2012
Creator: United States. Government Accountability Office.
System: The UNT Digital Library
ES12; The 24th Annual Workshop on Recent Developments in Electronic Structure Theory (open access)

ES12; The 24th Annual Workshop on Recent Developments in Electronic Structure Theory

ES12: The 24th Annual Workshop on Recent Developments in Electronic Structure Theory was held June 5-8, 2012 at Wake Forest University in Winston-Salem, NC 27109. The program consisted of 24 oral presentations, 70 posters, and 2 panel discussions. The attendance of the Workshop was comparable to or larger than previous workshops and participation was impressively diverse. The 136 participants came from all over the world and included undergraduate students, graduate students, postdoctoral researchers, and senior scientists. The general assessment of the Workshop was extremely positive in terms of the high level of scientific presentations and discussions, and in terms of the schedule, accommodations, and affordability of the meeting.
Date: June 29, 2012
Creator: Holzwarth, Natalie; Thonhauser, Timo & Salam, Akbar
System: The UNT Digital Library
Federal Laws Relating to Cybersecurity: Discussion of Proposed Revisions (open access)

Federal Laws Relating to Cybersecurity: Discussion of Proposed Revisions

This report discusses how the current legislative framework for cybersecurity might need to be revised.
Date: June 29, 2012
Creator: Fischer, Eric A.
System: The UNT Digital Library
Final Report for: "Bis-pi-allylpalladium Complexes in Catalysis of Multicomponent Reactions" (open access)

Final Report for: "Bis-pi-allylpalladium Complexes in Catalysis of Multicomponent Reactions"

The research project involved the development of new and functionally improved Pd(II) catalyst for a three-component reaction of boronic acids, allenes and imines to afford homoallylic amines that are useful in synthesis of biologically active heterocycles. Furthermore, insights into the reaction mechanism and the structure and reactivity of the catalytically active intermediates involved in this process were sought. As a result of this work, a new type of Pd-catalysts possessing an auxiliary ligand attached to the Pd center via a C-Pd and N-Pd bonds were identified, and found to be more active than the traditional catalysts derived from Pd(OAc)2. The new catalysts provided an access to a broader range of homoallylic amine products. Although the final unequivocal evidence regarding the structure of the Pd(II) complex involved in the nucleophilic transfer of the allyl fragment from the palladium center to the imine could not be obtained, mechanistic insights into the events that are detrimental to the activity of the originally reported Pd(OAc)2-based catalytic systems were uncovered.
Date: June 29, 2012
Creator: Malinakova, H. C. & Shiota, Atsushi
System: The UNT Digital Library
Foreclosure Review: Opportunities Exist to Further Enhance Borrower Outreach Efforts (open access)

Foreclosure Review: Opportunities Exist to Further Enhance Borrower Outreach Efforts

A letter report issued by the Government Accountability Office with an abstract that begins ""
Date: June 29, 2012
Creator: United States. Government Accountability Office.
System: The UNT Digital Library
Immediate Deployment of Waste Energy Recovery Technologies at Multi Sites (open access)

Immediate Deployment of Waste Energy Recovery Technologies at Multi Sites

Verso Paper Corp. implemented a portfolio of 13 commercially available proven industrial technologies each exceeding 30% minimum threshold efficiency and at least 25% efficiency increase. These sub-projects are a direct result of a grant received from the Department of Energy (DOE) through its FOA 0000044 (Deployment of Combined Heat and Power (CHP) Systems, District Energy Systems, Waste Energy Recovery Systems, and Efficient Industrial Equipment), which was funded by the American Recovery Act. These were installed at 3 sites in 2 states and are helping to reduce Verso costs, making the facilities more competitive. This created approximately 100 construction jobs (FTE's) and reduced impacted Verso facilities' expense budgets. These sub-projects were deployed at Verso paper mills located in Jay, Maine, Bucksport, Maine, and Sartell, Minnesota. The paper mills are the economic engines of the rural communities in which these mills are located. Reinvestment in waste energy recovery capital improvements is providing a stimulus to help maintain domestic jobs and to competitively position the US pulp and paper industry with rising energy costs. Energy efficiency improvements are also providing a positive environmental impact by reducing greenhouse gas emissions, the quantity of wastewater treated and discharged, and fossil fuel demand. As a result …
Date: June 29, 2012
Creator: Castonguay, Dennis
System: The UNT Digital Library
Initial Assessment of Alternate Metals in Chalcogels (open access)

Initial Assessment of Alternate Metals in Chalcogels

This report provides an up-to-date account of the non-Pt based chemistries available in the literature for making non-oxide, chalcogen-based aerogels, called chalcogels. In each case, a combination of multiple precursors is required to make the chalcogels and, in most cases, the precursors are not commercially available and must be prepared in the laboratory. References for the preparation details of these precursors have been provided for each. An account of the chalcogels made at PNNL is also given in this report along with iodine sorption efficiencies for three very diverse chalcogel chemistries. A brief account of consolidation options is provided.
Date: June 29, 2012
Creator: Riley, Brian J.; Lepry, William C.; Chun, Jaehun & Strachan, Denis M.
System: The UNT Digital Library
Integrated Genome-Based Studies of Shewanella Echophysiology (open access)

Integrated Genome-Based Studies of Shewanella Echophysiology

Shewanella oneidensis MR-1 is a motile, facultative {gamma}-Proteobacterium with remarkable respiratory versatility; it can utilize a range of organic and inorganic compounds as terminal electronacceptors for anaerobic metabolism. The ability to effectively reduce nitrate, S0, polyvalent metals andradionuclides has established MR-1 as an important model dissimilatory metal-reducing microorganism for genome-based investigations of biogeochemical transformation of metals and radionuclides that are of concern to the U.S. Department of Energy (DOE) sites nationwide. Metal-reducing bacteria such as Shewanella also have a highly developed capacity for extracellular transfer of respiratory electrons to solid phase Fe and Mn oxides as well as directly to anode surfaces in microbial fuel cells. More broadly, Shewanellae are recognized free-living microorganisms and members of microbial communities involved in the decomposition of organic matter and the cycling of elements in aquatic and sedimentary systems. To function and compete in environments that are subject to spatial and temporal environmental change, Shewanella must be able to sense and respond to such changes and therefore require relatively robust sensing and regulation systems. The overall goal of this project is to apply the tools of genomics, leveraging the availability of genome sequence for 18 additional strains of Shewanella, to better understand the ecophysiology …
Date: June 29, 2012
Creator: Serres, Margrethe H.
System: The UNT Digital Library
LABORATORY REPORT ON THE REMOVAL OF PERTECHNETATE FROM TANK 241-AN-105 SIMULANT USING PUROLITE A530E (open access)

LABORATORY REPORT ON THE REMOVAL OF PERTECHNETATE FROM TANK 241-AN-105 SIMULANT USING PUROLITE A530E

This effort falls under the technetium management initiative and will provide data for those who will make decisions regarding the handling and disposition of technetium. To that end, the objective of this effort is to challenge Purolite{reg_sign} A530E against a double-shell tank simulant from tank 241-AN-105 spiked with pertechnetate (TcO{sub 4}{sup -}). The Purolite{reg_sign} A530E is commercially available and is currently being used at the 200 West Pump and Treat Groundwater Treatment Plant to remove pertechnetate. It has been demonstrated that Purolite{reg_sign} A530E is highly effective in removing TcO{sub 4}{sup -} from a water matrix. Purolite{reg_sign} A530E is the commercial product of the Oak Ridge National Laboratory's Biquat{trademark} resin. Further work has demonstrated that technetium-loaded A530E achieves a leachability index in Cast Stone of 12.5 (RPP-RPT-39195, Assessment of Technetium Leachability in Cement-Stabilized Basin 43 Groundwater Brine).
Date: June 29, 2012
Creator: JB, DUNCAN; KJ, HAGERTY; WP, MOORE & JM, JOHNSON
System: The UNT Digital Library
Mid-Atlantic Wind - Overcoming the Challenges (open access)

Mid-Atlantic Wind - Overcoming the Challenges

This study, supported by the US Department of Energy, Wind Powering America Program, Maryland Department of Natural Resources and Chesapeake Bay Foundation, analyzed barriers to wind energy development in the Mid-Atlantic region along with options for overcoming or mitigating them. The Mid-Atlantic States including Delaware, Maryland, North Carolina and Virginia, have excellent wind energy potential and growing demand for electricity, but only two utility-scale projects have been installed to date. Reasons for this apathetic development of wind resources were analyzed and quantified for four markets. Specific applications are: 1) Appalachian mountain ridgeline sites, 2) on coastal plains and peninsulas, 3) at shallow water sites in Delaware and Chesapeake Bays, Albemarle and Pamlico Sounds, and 4) at deeper water sites off the Atlantic coast. Each market has distinctly different opportunities and barriers. The primary barriers to wind development described in this report can be grouped into four categories; state policy and regulatory issues, wind resource technical uncertainty, economic viability, and public interest in environmental issues. The properties of these typologies are not mutually independent and do interact. The report concluded that there are no insurmountable barriers to land-based wind energy projects and they could be economically viable today. Likewise potential sites …
Date: June 29, 2012
Creator: Ancona, Daniel F., III; George, Kathryn E.; Sparling, Lynn; Buckheit, Bruce C.; LoBue, Daniel & Bowers, and Richard P.
System: The UNT Digital Library
Navy Ford (CVN-78) Class Aircraft Carrier Program: Background and Issues for Congress (open access)

Navy Ford (CVN-78) Class Aircraft Carrier Program: Background and Issues for Congress

This report provides background information and potential oversight issues for Congress on the CVN-78 program. CVN-78, CVN-79, and CVN-80 are the first three ships in the Navy's new Gerald R. Ford (CVN- 78) class of nuclear-powered aircraft carriers (CVNs).
Date: June 29, 2012
Creator: O'Rourke, Ronald
System: The UNT Digital Library
Navy Ford (CVN-78) Class Aircraft Carrier Program: Background and Issues for Congress (open access)

Navy Ford (CVN-78) Class Aircraft Carrier Program: Background and Issues for Congress

Report discussing the U.S. Navy's Gerald R. Ford (CVN-78) class aircraft carrier program, including the CVN-78, CVN-79 and CVN-80, which are the first of the class of nuclear-powered aircraft carriers (CVNs). The report provices background on the program and funding, as well as related issues for Congress.
Date: June 29, 2012
Creator: O'Rourke, Ronald
System: The UNT Digital Library
Navy Shipboard Lasers for Surface, Air, and Missile Defense: Background and Issues for Congress (open access)

Navy Shipboard Lasers for Surface, Air, and Missile Defense: Background and Issues for Congress

This report focuses on potential Navy shipboard lasers for countering surface, air, and ballistic missile threats. It does not discuss the use of lasers on Navy aircraft or submarines, or the use of lasers by other military services.
Date: June 29, 2012
Creator: O'Rourke, Ronald
System: The UNT Digital Library
North Korea: U.S. Relations, Nuclear Diplomacy, and Internal Situation (open access)

North Korea: U.S. Relations, Nuclear Diplomacy, and Internal Situation

This report provides background information on the negotiations over North Korea's nuclear weapons program that began in the early 1990s under the Clinton Administration. As U.S. policy toward Pyongyang evolved through the George W. Bush presidency and into the Obama Administration, the negotiations moved from mostly bilateral to the multilateral Six-Party Talks (made up of China, Japan, Russia, North Korea, South Korea, and the United States).
Date: June 29, 2012
Creator: Chanlett-Avery, Emma & Rinehart, Ian E.
System: The UNT Digital Library
A PERMEABLE ACTIVE AMENDMENT CONCRETE (PAAC) FOR CONTAMINANT REMEDIATION AND EROSION CONTROL (open access)

A PERMEABLE ACTIVE AMENDMENT CONCRETE (PAAC) FOR CONTAMINANT REMEDIATION AND EROSION CONTROL

The final project report for SEED SERDP ER - 2134 describes the development of permeable active amendment concrete (PAAC), which was evaluated through four tasks: 1) development of PAAC; 2) assessment of PAAC for contaminant removal; 3) evaluation of promising PAAC formulations for potential environmental impacts; and 4) assessment of the hydraulic, physical, and structural properties of PAAC. Conventional permeable concrete (often referred to as pervious concrete) is concrete with high porosity as a result of an extensive and interconnected void content. It is made from carefully controlled amounts of water and cementitious materials used to create a paste that forms a coating around aggregate particles. The mixture has a substantial void content (e.g., 15% - 25%) that results in a highly permeable structure that drains quickly. In PAAC, the aggregate material is partly replaced by chemically-active amendments that precipitate or adsorb contaminants in water that flows through the concrete interstices. PAAC combines the relatively high structural strength, ample void space, and water permeability of pervious concrete with the contaminant sequestration ability of chemically-active amendments to produce a new material with superior durability and ability to control contaminant mobility. The high surface area provided by the concrete interstices in PAAC …
Date: June 29, 2012
Creator: Knox, A.; Paller, M. & Dixon, K.
System: The UNT Digital Library
Recovery Act: High-Efficiency, Wideband Three-Phase Rectifiers and Adaptive Rectifier Management for Telecomm Central Office and Large Data Center Applications (open access)

Recovery Act: High-Efficiency, Wideband Three-Phase Rectifiers and Adaptive Rectifier Management for Telecomm Central Office and Large Data Center Applications

Lineage Power and Verizon teamed up to address a DOE funding opportunity focused on improving the power conversion chain in telecommunications facilities and data centers. The project had three significant elements: the design and development of high efficiency and high power three-phase rectifiers by Lineage Power, design and development of software to optimize overall plant energy efficiency by Lineage Power, and a field trial in active Verizon telecommunications facilities where energy consumption was measured before and after efficiency upgrades.
Date: June 29, 2012
Creator: Johnson, Mark A.
System: The UNT Digital Library