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A 350 MHz, 200 kW CW, Multiple Beam Inductive Output Tube - Final Report
This program developed a 200 kW CW, 350 MHz, multiple beam inductive output tube (MBIOT) for driving accelerator cavities. The MBIOT operates at 30 kV with a gain of 23 dB. The estimated efficiency is 70%. The device uses seven electron beams, each transmitting 1.4 A of current. The tube is approximately six feet long and weighs approximately 400 lbs. The prototype device will be evaluated as a potential RF source for the Advanced Photon Source at Argonne National Laboratory (ANL). Because of issues related to delivery of the electron guns, it was not possible to complete assembly and test of the MBIOT during the Phase II program. The device is being completed with support from Calabazas Creek Research, Inc., Communications & Power Industries, LLC. and the Naval Surface Weapons Center (NSWC) in Dahlgren, VA. The MBIOT will be initially tested at NSWC before delivery to ANL. The testing at NSWC is scheduled for February 2013.
Date:
November 28, 2012
Creator:
Ives, R. Lawrece; Collins, George; Read, David Marsden Michael; Eisen, Edward & Takuchi Kamura, Philipp Borchard
Object Type:
Report
System:
The UNT Digital Library
2012 Annual Report Research Reactor Infrastructure Program
The content of this report is the 2012 Annual Report for the Research Reactor Infrastructure Program.
Date:
November 1, 2012
Creator:
Morrell, Douglas
Object Type:
Report
System:
The UNT Digital Library
2013 Plant Lipids Gordon Research Conference and Gordon Research Seminar (January 27-February 1, 2013 - Hotel Galvez, Galveston TX)
Presenters will discuss the latest advances in plant and algal lipid metabolism, oil synthesis, lipid signaling, lipid visualization, lipid biotechnology and its applications, the physiological and developmental roles of lipids, and plant lipids in health. Sessions include: Producing Nutritional Lipids; Metabolic biochemistry in the next decade; Triacylglycerols: Metabolism, function, and as a target for engineering; Lipids in Protection, Reproduction, and Development; Genetic and Lipidomic Approaches to Understanding Lipid Metabolism and Signaling; Lipid Signaling in Stress Responses; New Insights on the Path to Triacylglycerols; Membrane Lipid Signaling; Lipid Visualization; Development of Biofuels and Industrial Lipids.
Date:
November 1, 2012
Creator:
Welti, Ruth
Object Type:
Article
System:
The UNT Digital Library
2013 Presidential Migratory Bird Stewardship Award Submittal to the Council on the Conservation of Migratory Birds
None
Date:
November 9, 2012
Creator:
Woollett, J S
Object Type:
Report
System:
The UNT Digital Library
2020 Census: Initial Research Milestones Generally Met but Plans Needed to Mitigate Highest Risks
A letter report issued by the Government Accountability Office with an abstract that begins "According to U.S. Census Bureau (Bureau) officials, to inform timely design decisions, research on new methods to improve the cost effectiveness of the 2020 Census must be accomplished early enough in the decade to confirm their likely impact on both cost and quality. Three key efforts--(1) the use of the Internet as a response option, (2) a potential move towards targeted address canvassing, and (3) the possible use of administrative records to replace data collected during census field operations--present the Bureau with potential opportunities to reduce costs while maintaining quality. The Bureau's 2020 Research and Testing Program has 14 fiscal year 2012 projects focused on informing design decisions related to the three key efforts. Bureau officials are also aware that the changes they are testing come with many risks, and for each project the Bureau has identified a number of risks and prioritized them from high to low. However, the Bureau has not developed mitigation or contingency plans for these project risks. For example, there are several risks, including tight time frames and accurate cost information, without mitigation and contingency plans. Additionally, GAO found that the …
Date:
November 7, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
2169 steel waveform experiments.
In support of LLNL efforts to develop multiscale models of a variety of materials, we have performed a set of eight gas gun impact experiments on 2169 steel (21% Cr, 6% Ni, 9% Mn, balance predominantly Fe). These experiments provided carefully controlled shock, reshock and release velocimetry data, with initial shock stresses ranging from 10 to 50 GPa (particle velocities from 0.25 to 1.05 km/s). Both windowed and free-surface measurements were included in this experiment set to increase the utility of the data set, as were samples ranging in thickness from 1 to 5 mm. Target physical phenomena included the elastic/plastic transition (Hugoniot elastic limit), the Hugoniot, any phase transition phenomena, and the release path (windowed and free-surface). The Hugoniot was found to be nearly linear, with no indications of the Fe<U+F061>-<U+F065>phase transition. Releases were non-hysteretic, and relatively consistent between 3- and 5-mm-thick samples (the 3 mm samples giving slightly lower wavespeeds on release). Reshock tests with explosively welded impactors produced clean results; those with glue bonds showed transient releases prior to the arrival of the reshock, reducing their usefulness for deriving strength information. The free-surface samples, which were steps on a single piece of steel, showed lower wavespeeds for …
Date:
November 1, 2012
Creator:
Furnish, Michael David; Alexander, C. Scott; Reinhart, William Dodd & Brown, Justin L.
Object Type:
Report
System:
The UNT Digital Library
3DPDF: Open Source Solutions for Incorporating 3D Information in PDF Files
None
Date:
November 29, 2012
Creator:
Graf, Norman A.
Object Type:
Article
System:
The UNT Digital Library
ADA Paratransit Services: Demand Has Increased, but Little is Known about Compliance
A letter report issued by the Government Accountability Office with an abstract that begins "Little is known about the extent of transit agencies' compliance with the Americans with Disabilities Act (ADA) paratransit service requirements. FTA does receive some assurance that agencies are complying with federal statutes and regulations, including ADA paratransit requirements, because transit agencies that receive FTA funding are required to self-certify and assure that they are complying with the Department of Transportation's ADA regulations. Additionally, FTA conducts specialized ADA paratransit compliance reviews that examine multiple aspects of an agency's paratransit services; however, few transit agencies are selected for review each year. FTA generally relies on complaints, media reports, experience with an agency, and other information to select agencies for review, but does not have documented criteria for selecting agencies. This informal selection process does not align with federal guidance on internal controls related to communication, documentation, and monitoring. Lastly, according to FTA officials, all finalized ADA paratransit compliance review reports are to be available on FTA's website, but GAO identified nine final review reports--conducted from 2004 to 2010--that have not been posted to FTA's website."
Date:
November 15, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Adaptive Sampling using Support Vector Machines
Reliability/safety analysis of stochastic dynamic systems (e.g., nuclear power plants, airplanes, chemical plants) is currently performed through a combination of Event-Tress and Fault-Trees. However, these conventional methods suffer from certain drawbacks: • Timing of events is not explicitly modeled • Ordering of events is preset by the analyst • The modeling of complex accident scenarios is driven by expert-judgment For these reasons, there is currently an increasing interest into the development of dynamic PRA methodologies since they can be used to address the deficiencies of conventional methods listed above.
Date:
November 1, 2012
Creator:
Mandelli, D. & Smith, C.
Object Type:
Article
System:
The UNT Digital Library
Addressing the Long-Run Budget Deficit: A Comparison of Approaches
Report that examines alternative approaches to reducing the deficit, relating to the immediate issues arising from the Budget Control Act and the expiring tax cuts as well as to ongoing longer term decisions about how to bring the debt under control.
Date:
November 30, 2012
Creator:
Gravelle, Jane G.
Object Type:
Report
System:
The UNT Digital Library
Adjustable Speed Drive Part-Load Efficiency, Motor Systems Tip Sheet #11 (Fact Sheet)
Motor tip sheet for the Advanced Manufacturing Office.
Date:
November 1, 2012
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Advanced Fuels Campaign 2012 Accomplishments
The Advanced Fuels Campaign (AFC) under the Fuel Cycle Research and Development (FCRD) program is responsible for developing fuels technologies to support the various fuel cycle options defined in the DOE Nuclear Energy Research and Development Roadmap, Report to Congress, April 2010. The fiscal year 2012 (FY 2012) accomplishments are highlighted below. Kemal Pasamehmetoglu is the National Technical Director for AFC.
Date:
November 1, 2012
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Advanced inactive materials for improved lithium-ion battery safety.
None
Date:
November 1, 2012
Creator:
Orendorff, Christopher J.; Nagasubramanian, Ganesan; Lambert, Timothy N.; Fenton, Kyle Ross; Apblett, Christopher Alan; Shaddix, Christopher R. et al.
Object Type:
Report
System:
The UNT Digital Library
Advancing Residential Retrofits in the Mixed Humid Climate to Achieve Deep Energy Savings: Final Report on Knoxville, TN Homes
This is a final report of the Advancing Residential Retrofits in the Mixed Humid Climate to Achieve Deep Energy Savings.
Date:
November 1, 2012
Creator:
Boudreaux, Philip R.; Biswas, Kaushik & Jackson, Roderick K.
Object Type:
Report
System:
The UNT Digital Library
[Aerial Photo of a Site in New York]
This report provides a review and an analysis of potential environmental justice areas that could be affected by the New York State Electric & Gas (NYSEG) compress air energy storage (CAES) project and identifies existing environmental burden conditions on the area and evaluates additional burden of any significant adverse environmental impact. The review assesses the socioeconomic and demographic conditions of the area surrounding the proposed CAES facility in Schuyler County, New York. Schuyler County is one of 62 counties in New York. Schuyler County’s 2010 population of 18,343 makes it one of the least populated counties in the State (U.S. Census Bureau, 2010). This report was prepared for WorleyParsons by ERM and describes the study area investigated, methods and criteria used to evaluate this area, and the findings and conclusions from the evaluation.
Date:
November 30, 2012
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Afghanistan Development: Agencies Could Benefit from a Shared and More Comprehensive Database on U.S. Efforts
A letter report issued by the Government Accountability Office with an abstract that begins "The four main U.S. agency Afghan development programs and accounts have similar goals and activities and hence overlap to some degree. In fiscal year 2011, the Economic Support Fund (ESF) and other smaller accounts administered by the U.S. Agency for International Development (USAID), and the Commander's Emergency Response Program (CERP), administered by the Department of Defense (DOD), funded similar activities related to agriculture; democracy and governance; education and health; energy and electricity; economic growth; and transportation. Both funded activities in 33 of Afghanistan's 34 provinces and in 249 of Afghanistan's 399 districts. The Task Force for Business and Stability Operations (TFBSO), administered by DOD, and the Afghanistan Infrastructure Fund (AIF), administered by DOD and the Department of State (State), also funded efforts in some of the same categories of assistance as ESF and CERP in fiscal year 2011. According to agency officials, these overlapping development efforts can be beneficial, provided that agencies leverage their respective expertise and coordinate efforts."
Date:
November 7, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
Report that discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai to address corruption within the Afghan government. Election fraud and corruption in Afghanistan are also discussed.
Date:
November 30, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai to address corruption within the Afghan government.
Date:
November 30, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
African American Members of the United States Congress: 1870-2012
This report provides statistics on the current numbers and roles of African American Members of Congress as well as historical data on African American Members of Congress.
Date:
November 26, 2012
Creator:
Manning, Jennifer E. & Shogan, Colleen J.
Object Type:
Report
System:
The UNT Digital Library
Air Passenger Screening: Transportation Security Administration Could Improve Complaint Processes
A letter report issued by the Government Accountability Office with an abstract that begins "The Transportation Security Administration (TSA) receives thousands of air passenger screening complaints through five mechanisms, but does not have an agencywide policy or consistent processes to guide receipt and use of such information. For example, from October 2009 through June 2012, TSA received more than 39,000 screening complaints through its TSA Contact Center (TCC). However, the data from the five mechanisms do not reflect the full nature and extent of complaints because local TSA staff have discretion in implementing TSA's complaint processes, including how they receive and document complaints. For example, comment cards are used at four of the six airports GAO contacted, but TSA does not have a policy requiring that complaints submitted using the cards be tracked or reported centrally. A consistent policy to guide all TSA efforts to receive and document complaints would improve TSA's oversight of these activities and help ensure consistent implementation. TSA also uses TCC data to inform the public about air passenger screening complaints, monitor operational effectiveness of airport security checkpoints, and make changes as needed. However, TSA does not use data from its other four mechanisms, in part …
Date:
November 15, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Air Passenger Screening: Transportation Security Administration Needs to Improve Complaint Processes
Testimony issued by the Government Accountability Office with an abstract that begins "In summary, TSA receives thousands of air passenger screening complaints through five central mechanisms, but does not have an agencywide policy, consistent processes, or a focal point to guide receipt and use of such information. Also, while the agency has several methods to inform passengers about its complaint processes, it does not have an agencywide policy or mechanism to ensure consistent use of these methods among commercial airports. In addition, TSA's complaint resolution processes do not fully conform to standards of independence to ensure that these processes are fair, impartial, and credible, but the agency is taking steps to improve independence. To address these issues, we made four recommendations to TSA with which the agency concurred, and it indicated actions it is taking in response. Finally, TSA officials stated that the agency is undertaking efforts to focus its resources and improve the passenger experience at security checkpoints by applying new intelligence-driven, risk-based screening procedures, including expanding its Pre✓ program. TSA plans to have this program in place at 35 airports by the end of the calendar year and estimates that it has screened more than 4 million passengers …
Date:
November 29, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
American War and Military Operations Casualties: Lists and Statistics
This report provides information for war casualty statistics. It includes tables, compiled from sources at the Department of Defense (DOD), indicating the number of casualties among American military personnel serving in principal wars and combat actions.
Date:
November 15, 2012
Creator:
Leland, Anne
Object Type:
Report
System:
The UNT Digital Library
Analysis of Microbial Activity Under a Supercritical CO{sub 2} Atmosphere
Because the extent and impact of microbial activity in deep saline aquifers during geologic sequestration is unknown, the objectives of this proposal were to: (1) characterize the growth requirements and optima of a biofilm-producing supercritical CO{sub 2}-tolerant microbial consortium (labeled MIT0212) isolated from hydrocarbons recovered from the Frio Ridge, TX carbon sequestration site; (2) evaluate the ability of this consortium to grow under simulated reservoir conditions associated with supercritical CO{sub 2} injection; (3) isolate and characterize individual microbial strains from this consortium; and (4) investigate the mechanisms of supercritical CO{sub 2} tolerance in isolated strains and the consortium through genome-enabled studies. Molecular analysis of genetic diversity in the consortium MIT0212 revealed a predominance of sequences closely related to species of the spore-forming genus Bacillus. Strain MIT0214 was isolated from this consortium and characterized by physiological profiling and genomic analysis. We have shown that the strain MIT0214 is an aerobic spore-former and capable of facultative anaerobic growth under both reducing N{sub 2} and CO{sub 2} atmospheres by fermentation and possibly anaerobic respiration. Strain MIT0214 is best adapted to anaerobic growth at pressures of 1 atm but is able to growth at elevated pressures After 1 week growth was observed at pressures …
Date:
November 30, 2012
Creator:
Thompson, Janelle
Object Type:
Report
System:
The UNT Digital Library
Analysis of Potential Leakage Pathways and Mineralization within Caprocks for Geologic Storage of CO(sub 2}
We used a multifaceted approach to investigate the nature of caprocks above, and the interface between, reservoir-‐quality rocks that might serve as targets for carbon storage. Fieldwork in southeastern Utah examined the regional-‐ to m-‐scale nature of faults and fractures across the sedimentiological interfaces. We also used microscopic analyses and mechanical modeling to examine the question as to how the contacts between units interact, and how fractures may allow fluids to move from reservoirs to caprock. Regional-‐scale analyses using ASTER data enabled us to identify location of alteration, which led to site-‐specific studies of deformation and fluid flow. In the Jurassic Carmel Formation, a seal for the Navajo Sandstone, we evaluated mesoscale variability in fracture density and morphology and variability in elastic moduli in the Jurassic Carmel Formation, a proposed seal to the underlying Navajo Sandstone for CO{sub 2} geosequestration. By combining mechano-‐stratigraphic outcrop observations with elastic moduli derived from wireline log data, we characterize the variability in fracture pattern and morphology with the observed variability in rock strength within this heterolithic top seal. Outcrop inventories of discontinuities show fracture densities decrease as bed thickness increases and fracture propagation morphology across lithologic interfaces vary with changing interface type. Dynamic elastic …
Date:
November 30, 2012
Creator:
Evans, James
Object Type:
Report
System:
The UNT Digital Library