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Non-extensive diffusion entropy analysis: non-stationarity in teen birth phenomena (open access)

Non-extensive diffusion entropy analysis: non-stationarity in teen birth phenomena

Paper discussing non-extensive diffusion entropy analysis and non-stationarity in teen birth phenomena.
Date: February 6, 2008
Creator: Scafetta, Nicola; Grigolini, Paolo; Hamilton, P. & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Renewal aging and linear response (open access)

Renewal aging and linear response

Paper discussing the linear response to an external perturbation of a renewal process, in an aging condition that, with no perturbation, would yield super-diffusion.
Date: February 6, 2008
Creator: Allegrini, Paolo; Ascolani, Gianluca; Bologna, Mauro & Grigolini, Paolo
Object Type: Paper
System: The UNT Digital Library
Renewal Aging as Emerging Property of Phase Synchronization (open access)

Renewal Aging as Emerging Property of Phase Synchronization

Paper discussing renewal aging as emerging property of phase synchronization.
Date: February 6, 2008
Creator: Bianco, Simone; Geneston, Elvis L.; Grigolini, Paolo & Ignaccolo, Massimiliano
Object Type: Paper
System: The UNT Digital Library
Surface Transportation: Preliminary Observations on Efforts to Restructure Current Program (open access)

Surface Transportation: Preliminary Observations on Efforts to Restructure Current Program

Testimony issued by the Government Accountability Office with an abstract that begins "The nation has reached a critical juncture with its current surface transportation policies and programs. Demand has outpaced the capacity of the system, resulting in increased congestion. In addition, without significant changes in funding mechanisms, revenue sources, or planned spending, the Highway Trust Fund--the major source of federal highway and transit funding--is projected to incur significant deficits in the years ahead. Furthermore, the nation is on a fiscally unsustainable path. Recognizing many of these challenges and the importance of the transportation system to the nation, Congress established The National Surface Transportation Policy and Revenue Study Commission (Commission) to examine current and future needs of the system and recommend needed changes to the surface transportation program, among other things. The Commission issued its report in January 2008. This testimony discusses 1) principles to assess proposals for restructuring the surface transportation program and 2) GAO's preliminary observations on the Commission's recommendations. This statement is based on GAO's ongoing work for the Ranking Member of this Committee, the Chairman of the House Transportation and Infrastructure Committee, Senator DeMint, as well as a body of work GAO has completed over the past …
Date: February 6, 2008
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Immigration Benefits: Internal Controls for Adjudicating Humanitarian Parole Cases Are Generally Effective, but Some Can Be Strengthened (open access)

Immigration Benefits: Internal Controls for Adjudicating Humanitarian Parole Cases Are Generally Effective, but Some Can Be Strengthened

A letter report issued by the Government Accountability Office with an abstract that begins "The Immigration and Nationality Act requires that most visitors and immigrants to the United States obtain a visa. Aliens unable to obtain a visa, and with a compelling humanitarian need, may apply to the Department of Homeland Security (DHS) to be granted humanitarian parole. This permits an alien to enter the United States on a temporary basis. Parole responsibility rests with DHS's Humanitarian Assistance Branch (HAB), which was transferred to the U.S. Citizenship and Immigration Services (USCIS) in August 2007. In response to congressional requesters, GAO examined (1) the characteristics of those who applied for humanitarian parole since October 1, 2001, and (2) internal controls HAB designed to adjudicate applications along with the extent to which HAB adhered to them. To conduct this work, GAO analyzed HAB documents and data, such as its protocols and database of all parole applications since October 1, 2001; interviewed HAB officials about adjudication processes; and interviewed attorneys who had helped individuals file for parole."
Date: February 6, 2008
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
The Department of Defense's Civilian Human Capital Strategic Plan Does Not Meet Most Statutory Requirements (open access)

The Department of Defense's Civilian Human Capital Strategic Plan Does Not Meet Most Statutory Requirements

Correspondence issued by the Government Accountability Office with an abstract that begins "The achievement of the Department of Defense's (DOD) mission is dependent in large part on the skills and expertise of its civilian workforce--which consists of almost 700,000 personnel, who develop policy, provide intelligence, manage finances, and acquire and maintain weapon systems. With more than 50 percent of its civilian personnel becoming eligible to retire in the next few years, DOD may find it difficult to fill certain mission-critical jobs with qualified personnel. Strategic workforce planning, an integral part of human capital management, helps ensure that an organization has staff with the necessary skills and competencies to accomplish its strategic goals. We have previously reported that it is critical that DOD engage in effective strategic workforce planning to ensure that its human capital reforms have maximum effectiveness and value. In 2007, we reported that strategic human capital management remained a high-risk area because the federal government now faces one of the most significant transformations to the civil service in half a century, as momentum grows toward making governmentwide changes to agency pay, classification, and performance management systems. In January 2006, the National Defense Authorization Act for Fiscal Year 20065 …
Date: February 6, 2008
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Preliminary Results from the UCLA/SLAC Ultra-High Gradient CerenkovWakefield Accelerator Experiment (open access)

Preliminary Results from the UCLA/SLAC Ultra-High Gradient CerenkovWakefield Accelerator Experiment

The first phase of an experiment to study the performance of dielectric Cerenkov wakefield accelerating structures at extremely high gradients in the GV/m range has been completed. This experiment takes advantage of the unique SLAC FFTB electron beam and its demonstrated ultra-short pulse lengths and high currents (e.g., {sigma}{sub z} = 20 {micro}m at Q = 3 nC). The FFTB electron beam has been successfully focused down and sent through varying lengths of fused silica capillary tubing with two different sizes: ID = 200 {micro}m/OD = 325 {micro}m and ID = 100 {micro}m/OD = 325 {micro}m. The pulse length of the electron beam was varied in the range 20 {micro}m < {sigma}{sub z} < 100 {micro}m which produced a range of electric fields between 2 and 20 GV/m at the inner surface of the dielectric tubes. We observed a sharp increase in optical emissions from the capillaries in the middle part of this surface field range which we believe indicates the transition between sustainable field levels and breakdown. If this initial interpretation is correct, the surfaced fields that were sustained equate to on axis accelerating field of several GV/m. In future experiments we plan to collect and measure coherent Cerenkov …
Date: February 6, 2008
Creator: Thompson, M. C.; Badakov, H.; Rosenzweig, J. B.; Travish, G.; Hogan, M.; Ischebeck, R. et al.
Object Type: Article
System: The UNT Digital Library
FY07 Engineering Research and Technology Report (open access)

FY07 Engineering Research and Technology Report

This report summarizes the core research, development, and technology accomplishments in Lawrence Livermore National Laboratory's Engineering Directorate for FY2007. These efforts exemplify Engineering's more than 50-year history of developing and applying the technologies needed to support the Laboratory's national security missions. A partner in every major program and project at the Laboratory throughout its existence, Engineering has prepared for this role with a skilled workforce and technical resources developed through both internal and external venues. These accomplishments embody Engineering's mission: 'Enable program success today and ensure the Laboratory's vitality tomorrow'. Engineering's mission is carried out through research and technology. Research is the vehicle for creating competencies that are cutting-edge, or require discovery-class groundwork to be fully understood. The technology efforts are discipline-oriented, preparing research breakthroughs for broader application to a variety of Laboratory needs. The term commonly used for technology-based projects is 'reduction to practice'. This report combines the work in research and technology into one volume, organized into thematic technical areas: Engineering Modeling and Simulation; Measurement Technologies; Micro/Nano-Devices and Structures; Engineering Systems for Knowledge and Inference; and Energy Manipulation.
Date: February 6, 2008
Creator: Minichino, C
Object Type: Report
System: The UNT Digital Library
Upper Skagit Indian Tribe Strategic Energy Planning Final Report (open access)

Upper Skagit Indian Tribe Strategic Energy Planning Final Report

The Upper Skagit Indian Tribe was honored with a grant through the DOE's Tribal Energy Program - Golden Field Office to develop a Strategic Energy Plan for the Tribal Lands.
Date: February 6, 2008
Creator: Rich, Lauren
Object Type: Report
System: The UNT Digital Library
Geological Sequestration of CO2 by Hydrous Carbonate Formation with Reclaimed Slag (open access)

Geological Sequestration of CO2 by Hydrous Carbonate Formation with Reclaimed Slag

The concept of this project is to develop a process that improves the kinetics of the hydrous carbonate formation reaction enabling steelmakers to directly remove CO2 from their furnace exhaust gas. It is proposed to bring the furnace exhaust stream containing CO2 in contact with reclaimed steelmaking slag in a reactor that has an environment near the unit activity of water resulting in the production of carbonates. The CO2 emissions from the plant would be reduced by the amount sequestered in the formation of carbonates. The main raw materials for the process are furnace exhaust gases and specially prepared slag.
Date: February 6, 2008
Creator: Richards, Von L.; Peaslee, Kent & Smith, Jeffrey
Object Type: Report
System: The UNT Digital Library
Pre-Amplifier Module for Laser Inertial Confinement Fusion (open access)

Pre-Amplifier Module for Laser Inertial Confinement Fusion

The Pre-Amplifier Modules (PAMs) are the heart of the National Ignition Facility (NIF), providing most of the energy gain for the most energetic laser in the world. Upon completion, NIF will be the only laboratory in which scientists can examine the fusion processes that occur inside stars, supernovae, and exploding nuclear weapons and that may someday serve as a virtually inexhaustible energy source for electricity. Consider that in a fusion power plant 50 cups of water could provide the energy comparable to 2 tons of coal. Of paramount importance for achieving laser-driven fusion ignition with the least energy input is the synchronous and symmetric compression of the target fuel--a condition known as laser power balance. NIF's 48 PAMs thus must provide energy gain in an exquisitely stable and consistent manner. While building one module that meets performance requirements is challenging enough, our design has already enabled the construction and fielding of 48 PAMs that are stable, uniform, and interchangeable. PAM systems are being tested at the University of Rochester's Laboratory for Laser Energetics, and the Atomic Weapons Enterprise of Great Britain has purchased the PAM power system.
Date: February 6, 2008
Creator: Heebner, J E & Bowers, M W
Object Type: Report
System: The UNT Digital Library
Electro-Thermal-Mechanical Simulation Capability Final Report (open access)

Electro-Thermal-Mechanical Simulation Capability Final Report

This is the Final Report for LDRD 04-ERD-086, 'Electro-Thermal-Mechanical Simulation Capability'. The accomplishments are well documented in five peer-reviewed publications and six conference presentations and hence will not be detailed here. The purpose of this LDRD was to research and develop numerical algorithms for three-dimensional (3D) Electro-Thermal-Mechanical simulations. LLNL has long been a world leader in the area of computational mechanics, and recently several mechanics codes have become 'multiphysics' codes with the addition of fluid dynamics, heat transfer, and chemistry. However, these multiphysics codes do not incorporate the electromagnetics that is required for a coupled Electro-Thermal-Mechanical (ETM) simulation. There are numerous applications for an ETM simulation capability, such as explosively-driven magnetic flux compressors, electromagnetic launchers, inductive heating and mixing of metals, and MEMS. A robust ETM simulation capability will enable LLNL physicists and engineers to better support current DOE programs, and will prepare LLNL for some very exciting long-term DoD opportunities. We define a coupled Electro-Thermal-Mechanical (ETM) simulation as a simulation that solves, in a self-consistent manner, the equations of electromagnetics (primarily statics and diffusion), heat transfer (primarily conduction), and non-linear mechanics (elastic-plastic deformation, and contact with friction). There is no existing parallel 3D code for simulating ETM systems at …
Date: February 6, 2008
Creator: White, D
Object Type: Report
System: The UNT Digital Library
Charm and Charmonium Spectroscopy in BaBar (open access)

Charm and Charmonium Spectroscopy in BaBar

The BABAR experiment at the PEP-II B-factory offers excellent opportunities in charm and charmonium spectroscopy. The recent observation of new states in the D{sub s} and in the charmonium mass regions revived the interest in this field. Recent BABAR results are presented.
Date: February 6, 2008
Creator: Negrini, M. & U., /Ferrara
Object Type: Article
System: The UNT Digital Library
The 13th International Symposium on Relations between Homogeneous and Heterogeneous Catalysis -- AnIntroduction (open access)

The 13th International Symposium on Relations between Homogeneous and Heterogeneous Catalysis -- AnIntroduction

Over forty years, there have been major efforts to aim at understanding the properties of surfaces, structure, composition, dynamics on the molecular level and at developing the surface science of heterogeneous and homogeneous catalysis. Since most catalysts (heterogeneous, enzyme and homogeneous) are nanoparticles, colloid synthesis methods were developed to produce monodispersed metal nanoparticles in the 1-10 nm range and controlled shapes to use them as new model catalyst systems in two-dimensional thin film form or deposited in mezoporous three-dimensional oxides. Studies of reaction selectivity in multipath reactions (hydrogenation of benzene, cyclohexene and crotonaldehyde) showed that reaction selectivity depends on both nanoparticle size and shape. The oxide-metal nanoparticle interface was found to be an important catalytic site because of the hot electron flow induced by exothermic reactions like carbon monoxide oxidation.
Date: February 6, 2008
Creator: Somorjai, Gabor A.
Object Type: Article
System: The UNT Digital Library
Biostimulation of Iron Reduction and Uranium Immobilization: Microbial and Mineralogical Controls (open access)

Biostimulation of Iron Reduction and Uranium Immobilization: Microbial and Mineralogical Controls

This project represented a joint effort between Florida State University (FSU), Rutgers University (RU), and the University of Illinois (U of I). FSU served as the lead institution and Dr. J.E. Kostka was responsible for project coordination, integration, and deliverables. This project was designed to elucidate the microbial ecology and geochemistry of metal reduction in subsurface environments at the U.S. DOE-NABIR Field Research Center at Oak Ridge, Tennessee (ORFRC). Our objectives were to: 1) characterize the dominant iron minerals and related geochemical parameters likely to limit U(VI) speciation, 2) directly quantify reaction rates and pathways of microbial respiration (terminal-electron-accepting) processes which control subsurface sediment chemistry, and 3) identify and enumerate the organisms mediating U(VI) transformation. A total of 31 publications and 47 seminars or meeting presentations were completed under this project. One M.S. thesis (by Nadia North) and a Ph.D. dissertation (by Lainie Petrie-Edwards) were completed at FSU during fall of 2003 and spring of 2005, respectively. Ph.D. students, Denise Akob and Thomas Gihring have continued the student involvement in this research since fall of 2004. All of the above FSU graduate students were heavily involved in the research, as evidenced by their regular attendance at PI meetings and ORFRC …
Date: February 6, 2008
Creator: Kostka, Joel E.
Object Type: Report
System: The UNT Digital Library
High Throughput, Continuous, Mass Production of Photovoltaic Modules (open access)

High Throughput, Continuous, Mass Production of Photovoltaic Modules

AVA Solar has developed a very low cost solar photovoltaic (PV) manufacturing process and has demonstrated the significant economic and commercial potential of this technology. This I & I Category 3 project provided significant assistance toward accomplishing these milestones. The original goals of this project were to design, construct and test a production prototype system, fabricate PV modules and test the module performance. The original module manufacturing costs in the proposal were estimated at $2/Watt. The objectives of this project have been exceeded. An advanced processing line was designed, fabricated and installed. Using this automated, high throughput system, high efficiency devices and fully encapsulated modules were manufactured. AVA Solar has obtained 2 rounds of private equity funding, expand to 50 people and initiated the development of a large scale factory for 100+ megawatts of annual production. Modules will be manufactured at an industry leading cost which will enable AVA Solar's modules to produce power that is cost-competitive with traditional energy resources. With low manufacturing costs and the ability to scale manufacturing, AVA Solar has been contacted by some of the largest customers in the PV industry to negotiate long-term supply contracts. The current market for PV has continued to grow …
Date: February 6, 2008
Creator: Barth, Kurt
Object Type: Report
System: The UNT Digital Library
Feasibility Evaluation and Retrofit Plan for Cold Crucible Induction Melter Deployment in the Defense Waste Processing Facility at Savannah River Site 8118 (open access)

Feasibility Evaluation and Retrofit Plan for Cold Crucible Induction Melter Deployment in the Defense Waste Processing Facility at Savannah River Site 8118

Cold crucible induction melters (CCIM) have been proposed as an alternative technology for waste glass melting at the Defense Waste Processing Facility (DWPF) at Savannah River Site (SRS) as well as for other waste vitrification facilities. Proponents of this technology cite high temperature operation, high tolerance for noble metals and aluminum, high waste loading, high throughput capacity, and low equipment cost as the advantages over existing Joule Heated Melter (JHM) technology. The CCIM uses induction heating to maintain molten glass at high temperature. A water-cooled helical induction coil is connected to an AC current supply, typically operating at frequencies from 100 KHz to 5 MHz. The oscillating magnetic field generated by the oscillating current flow through the coil induces eddy currents in conductive materials within the coil. Those oscillating eddy currents, in turn, generate heat in the material. In the CCIM, the induction coil surrounds a 'Cold Crucible' which is formed by metal tubes, typically copper or stainless steel. The tubes are constructed such that the magnetic field does not couple with the crucible. Therefore, the field generated by the induction coil couples primarily with the conductive medium (hot glass) within. The crucible tubes are water cooled to maintain their …
Date: February 6, 2008
Creator: Barnes, Allan B.; Iverson, Daniel C.; Adkins, Brannen J. & Tchemitcheff, Eric
Object Type: Article
System: The UNT Digital Library
ISS-flation (open access)

ISS-flation

Inflation may occur while rolling into the metastable supersymmetry-breaking vacuum of massive supersymmetric QCD. We explore the range of parameters in which slow-roll inflation and long-lived metastable supersymmetry breaking may be simultaneously realized. The end of slow-roll inflation in this context coincides with the spontaneous breaking of a global symmetry, which may give rise to significant curvature perturbations via inhomogeneous preheating. Such spontaneous symmetry breaking at the end of inflation may give rise to observable non-gaussianities, distinguishing this scenario from more conventional models of supersymmetric hybrid inflation.
Date: February 6, 2008
Creator: Craig, Nathaniel J. & /SLAC /Stanford U., ITP
Object Type: Article
System: The UNT Digital Library
B to (rho/omega) gamma at BaBar (open access)

B to (rho/omega) gamma at BaBar

This document describes the measurements of the branching fractions and isospin violations of the radiative electroweak penguin decays B {yields} ({rho}/{omega}){gamma} at the asymmetric-energy e{sup +}e{sup -} PEP-II collider with the BABAR detector. Together with the previously measured branching fractions of the decays B {yields} K*{gamma} the ratio of CKM-matrix elements |V{sub td}/V{sub ts}| are extracted and the length of the far side of the unitarity triangle is determined.
Date: February 6, 2008
Creator: Koeneke, Karsten
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 39, No. 6, Ed. 1 Wednesday, February 6, 2008 (open access)

Greensheet (Houston, Tex.), Vol. 39, No. 6, Ed. 1 Wednesday, February 6, 2008

Free weekly newspaper that includes business and classified advertising.
Date: February 6, 2008
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Plan of Liquidation and Directors' Action by Written Consent (open access)

Plan of Liquidation and Directors' Action by Written Consent

Document outlining the WASP Board of Directors' plan to dissolve its nonprofit corporation. It states that "continuance of the activities of the corporation is no longer possible or practical" and lists the steps the board will follow to dissolve and liquidate the organization.
Date: February 6, 2008
Creator: Women Airforce Service Pilots (U.S.)
Object Type: Text
System: The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 158, No. 50, Ed. 1 Wednesday, February 6, 2008 (open access)

Cherokeean Herald (Rusk, Tex.), Vol. 158, No. 50, Ed. 1 Wednesday, February 6, 2008

Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date: February 6, 2008
Creator: Whitehead, Marie
Object Type: Newspaper
System: The Portal to Texas History
North Texas Daily (Denton, Tex.), Vol. 91, No. 14, Ed. 1 Wednesday, February 6, 2008 (open access)

North Texas Daily (Denton, Tex.), Vol. 91, No. 14, Ed. 1 Wednesday, February 6, 2008

Daily student newspaper from the University of North Texas in Denton, Texas that includes local, state and campus news along with advertising.
Date: February 6, 2008
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Rambler (Fort Worth, Tex.), Vol. 100, No. 2, Ed. 1 Wednesday, February 6, 2008 (open access)

The Rambler (Fort Worth, Tex.), Vol. 100, No. 2, Ed. 1 Wednesday, February 6, 2008

Weekly student newspaper from Texas Wesleyan University in Fort Worth, Texas that includes campus and local news along with advertising.
Date: February 6, 2008
Creator: Poling, Shawn R.
Object Type: Newspaper
System: The Portal to Texas History