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The Altus Times (Altus, Okla.), Vol. 112, No. 223, Ed. 1 Friday, February 17, 2012 (open access)

The Altus Times (Altus, Okla.), Vol. 112, No. 223, Ed. 1 Friday, February 17, 2012

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: February 17, 2012
Creator: Bush, Michael
Object Type: Newspaper
System: The Gateway to Oklahoma History
ANALYSES AND COMPARISON OF BULK AND COIL SURFACE SAMPLES FROM THE DWPF SLURRY MIX EVAPORATOR (open access)

ANALYSES AND COMPARISON OF BULK AND COIL SURFACE SAMPLES FROM THE DWPF SLURRY MIX EVAPORATOR

Sludge samples from the DWPF Slurry Mix Evaporator (SME) heating coil frame and coil surface were characterized to identify differences that might help identify heat transfer fouling materials. The SME steam coils have seen increased fouling leading to lower boil-up rates. Samples of the sludge were taken from the coil frame somewhat distant from the coil (bulk tank material) and from the coil surface (coil surface sample). The results of the analysis indicate the composition of the two SME samples are very similar with the exception that the coil surface sample shows {approx}5-10X higher mercury concentration than the bulk tank sample. Elemental analyses and x-ray diffraction results did not indicate notable differences between the two samples. The ICP-MS and Cs-137 data indicate no significant differences in the radionuclide composition of the two SME samples. Semi-volatile organic analysis revealed numerous organic molecules, these likely result from antifoaming additives. The compositions of the two SME samples also match well with the analyzed composition of the SME batch with the exception of significantly higher silicon, lithium, and boron content in the batch sample indicating the coil samples are deficient in frit relative to the SME batch composition.
Date: February 17, 2012
Creator: Hay, M.; Nash, C. & Stone, M.
Object Type: Report
System: The UNT Digital Library
Angular Scaling In Jets (open access)

Angular Scaling In Jets

We introduce a jet shape observable defined for an ensemble of jets in terms of two-particle angular correlations and a resolution parameter R. This quantity is infrared and collinear safe and can be interpreted as a scaling exponent for the angular distribution of mass inside the jet. For small R it is close to the value 2 as a consequence of the approximately scale invariant QCD dynamics. For large R it is sensitive to non-perturbative effects. We describe the use of this correlation function for tests of QCD, for studying underlying event and pile-up effects, and for tuning Monte Carlo event generators.
Date: February 17, 2012
Creator: Jankowiak, Martin & Larkoski, Andrew J.
Object Type: Article
System: The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 92, No. 34, Ed. 1 Friday, February 17, 2012 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 92, No. 34, Ed. 1 Friday, February 17, 2012

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: February 17, 2012
Creator: Yanelli, Adam
Object Type: Newspaper
System: The Portal to Texas History
Calibration and Laboratory Test of the Department of Energy Cloud Particle Imager (open access)

Calibration and Laboratory Test of the Department of Energy Cloud Particle Imager

Calibration parameters from the Connolly et al. (2007) algorithm cannot be applied to the Department of Energy's (DOE) CPI because the DOE CPI is version 2.0. Thus, Dr. Junshik Um and Prof. Greg McFarquhar brought the DOE CPI to the University of Manchester, UK, where facilities for calibrating it were available. In addition, two other versions of CPIs (1.0 and 1.5) were available on-site at the University of Manchester so that an intercomparison of three different versions of the CPI was possible. The three CPIs (versions 1.0, 1.5, and 2.0) were calibrated by moving glass calibration beads and ice analogues of known size parallel to the object plane. The distance between the object plane and a particle, the particle's focus, its apparent maximum dimension, and a background image were measured in order to derive calibration parameters for each CPI version. The calibration parameters are used in two empirical equations that are applied to in situ CPI data to determine particle size and depth of field, and hence particle size distributions (PSDs). After the tests with the glass calibration beads to derive the calibration parameters, the three CPIs were installed at the base of the Manchester Ice Cloud Chamber and connected …
Date: February 17, 2012
Creator: McFarquhar, GM & Um, J
Object Type: Report
System: The UNT Digital Library
The Celina Record (Celina, Tex.), Vol. 110, No. 43, Ed. 1 Friday, February 17, 2012 (open access)

The Celina Record (Celina, Tex.), Vol. 110, No. 43, Ed. 1 Friday, February 17, 2012

Weekly newspaper from Celina, Texas that includes local, state, and national news along with advertising.
Date: February 17, 2012
Creator: Mann, Rick
Object Type: Newspaper
System: The Portal to Texas History
Dallas Voice (Dallas, Tex.), Vol. 28, No. 40, Ed. 1 Friday, February 17, 2012 (open access)

Dallas Voice (Dallas, Tex.), Vol. 28, No. 40, Ed. 1 Friday, February 17, 2012

Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date: February 17, 2012
Creator: Wright, John
Object Type: Newspaper
System: The UNT Digital Library
Electron Anomalous Magnetic Moment in Basis Light-Front Quantization Approach (open access)

Electron Anomalous Magnetic Moment in Basis Light-Front Quantization Approach

We apply the Basis Light-Front Quantization (BLFQ) approach to the Hamiltonian field theory of Quantum Electrodynamics (QED) in free space. We solve for the mass eigenstates corresponding to an electron interacting with a single photon in light-front gauge. Based on the resulting non-perturbative ground state light-front amplitude we evaluate the electron anomalous magnetic moment. The numerical results from extrapolating to the infinite basis limit reproduce the perturbative Schwinger result with relative deviation less than 1.2%. We report significant improvements over previous works including the development of analytic methods for evaluating the vertex matrix elements of QED.
Date: February 17, 2012
Creator: Zhao, Xingbo; Honkanen, Heli; Maris, Pieter; Vary, James P. & Brodsky, Stanley J.
Object Type: Article
System: The UNT Digital Library
Electronic Waste: Actions Needed to Provide Assurance That Used Federal Electronics Are Disposed of in an Environmentally Responsible Manner (open access)

Electronic Waste: Actions Needed to Provide Assurance That Used Federal Electronics Are Disposed of in an Environmentally Responsible Manner

A letter report issued by the Government Accountability Office with an abstract that begins "Over the past decade, the executive branch has taken steps to improve the management of used federal electronics. Notably, in 2003, EPA helped to pilot the Federal Electronics Challenge (FEC)—a voluntary partnership program that encourages federal facilities and agencies to purchase environmentally friendly electronic products, reduce the impacts of these products during their use, and manage used electronics in an environmentally safe way. EPA also led an effort and provided initial funding to develop third-party certification so that electronics recyclers could show that they are voluntarily adhering to an adopted set of best practices for environmental protection, worker health and safety, and security practices. In 2006, GSA issued its Personal Property Disposal Guide to assist agencies in understanding the hierarchy for disposing of excess personal property, including used electronic products: reutilization, donation, sale, and abandonment or destruction. In 2007 and 2009, executive orders were issued that, among other things, established improvement goals and directed agencies to develop and implement improvement plans for the management of used electronics. The Office of Management and Budget, the Council on Environmental Quality, and the Office of the Federal Environmental Executive …
Date: February 17, 2012
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Energy Efficient Electronics Cooling Project (open access)

Energy Efficient Electronics Cooling Project

Parker Precision Cooling Business Unit was awarded a Department of Energy grant (DE-EE0000412) to support the DOE-ITP goal of reducing industrial energy intensity and GHG emissions. The project proposed by Precision Cooling was to accelerate the development of a cooling technology for high heat generating electronics components. These components are specifically related to power electronics found in power drives focused on the inverter, converter and transformer modules. The proposed cooling system was expected to simultaneously remove heat from all three of the major modules listed above, while remaining dielectric under all operating conditions. Development of the cooling system to meet specific customer's requirements and constraints not only required a robust system design, but also new components to support long system functionality. Components requiring further development and testing during this project included pumps, fluid couplings, cold plates and condensers. All four of these major categories of components are required in every Precision Cooling system. Not only was design a key area of focus, but the process for manufacturing these components had to be determined and proven through the system development.
Date: February 17, 2012
Creator: O'Shaughnessey, Steve; Louvar, Tim; Trumbower, Mike; Hunnicutt, Jessica & Myers, Neil
Object Type: Report
System: The UNT Digital Library

Ensemble: 2012-02-17 – Concert Orchestra

An orchestra concert with student conductors preformed at the UNT College of Music Winspear Hall.
Date: February 17, 2012
Creator: University of North Texas. Concert Orchestra.
Object Type: Sound
System: The UNT Digital Library

Ensemble: 2012-02-17 – Concert Orchestra [Stage Perspective]

Orchestra concert performed at the UNT College of Music Winspear Hall. This video is shot from the orchestra's perspective, showing the conductor.
Date: February 17, 2012
Creator: University of North Texas. Concert Orchestra.
Object Type: Video
System: The UNT Digital Library
Experimental Progress Report--Modernizing the Fission Basis (open access)

Experimental Progress Report--Modernizing the Fission Basis

In 2010 a proposal (Modernizing the Fission Basis) was prepared to 'resolve long standing differences between LANL and LLNL associated with the correct fission basis for analysis of nuclear test data'. Collaboration between LANL/LLNL/TUNL has been formed to implement this program by performing high precision measurements of neutron induced fission product yields as a function of incident neutron energy. This new program benefits from successful previous efforts utilizing mono-energetic neutrons undertaken by this collaboration. The first preliminary experiment in this new program was performed between July 24-31, 2011 at TUNL and had 2 main objectives: (1) demonstrating the capability to measure characteristic {gamma}-rays from specific fission products; (2) studying background effects from room scattered neutrons. In addition, a new dual fission ionization chamber has been designed and manufactured. The production design of the chamber is shown in the picture below. The first feasibility experiment to test this chamber is scheduled at the TUNL Tandem Laboratory from September 19-25, 2011. The dual fission chamber design will allow simultaneous exposure of absolute fission fragment emission rate detectors and the thick fission activation foils, positioned between the two chambers. This document formalizes the earlier experimental report demonstrating the experimental capability to make accurate …
Date: February 17, 2012
Creator: Macri, R A
Object Type: Report
System: The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, February 17, 2012 (open access)

The Express-Star (Chickasha, Okla.), Ed. 1 Friday, February 17, 2012

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: February 17, 2012
Creator: DeSilver, Debi
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Federal Budget: Issues for FY2013 and Beyond (open access)

The Federal Budget: Issues for FY2013 and Beyond

The federal budget is central to Congress's ability to exercise its “power of the purse.” Over the last several fiscal years the imbalance between spending and revenues has grown as a result of the economic downturn and policies enacted in response to financial turmoil. This report looks at ways in which Congress and the Obama Administration have acted in order to reduce US budgetary issues.
Date: February 17, 2012
Creator: Levit, Mindy R.
Object Type: Report
System: The UNT Digital Library
Financial Performance of the Major Oil Companies, 2007-2011 (open access)

Financial Performance of the Major Oil Companies, 2007-2011

Periods of rising oil prices can result in reduced economic growth, rising prices, and reduced disposable incomes for consumers, as well as a deteriorating trade balance. For the oil industry, periods of high oil prices generally imply increasing cash flows and higher profits. Although the U.S. oil industry is composed of many firms, to many the face of the oil industry is represented by the five major firms operating extensively in the U.S. market. These firms are ExxonMobil, Chevron, BP plc, Royal Dutch Shell plc, and ConocoPhillips. During the period 2007 to 2011, the five major companies' upstream activities of exploration and production contributed more to the total profitability of the firms than the downstream activities of refining and marketing.
Date: February 17, 2012
Creator: Pirog, Robert
Object Type: Report
System: The UNT Digital Library
The Greensheet (Dallas, Tex.), Vol. 35, No. 321, Ed. 1 Friday, February 17, 2012 (open access)

The Greensheet (Dallas, Tex.), Vol. 35, No. 321, Ed. 1 Friday, February 17, 2012

Free weekly newspaper that includes business and classified advertising.
Date: February 17, 2012
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Greensheet (Dallas, Tex.), Vol. 35, No. 322, Ed. 1 Friday, February 17, 2012 (open access)

The Greensheet (Dallas, Tex.), Vol. 35, No. 322, Ed. 1 Friday, February 17, 2012

Free weekly newspaper that includes business and classified advertising.
Date: February 17, 2012
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 43, No. 34, Ed. 1 Friday, February 17, 2012 (open access)

The Greensheet (Houston, Tex.), Vol. 43, No. 34, Ed. 1 Friday, February 17, 2012

Free weekly newspaper that includes business and classified advertising.
Date: February 17, 2012
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 43, No. 35, Ed. 1 Friday, February 17, 2012 (open access)

The Greensheet (Houston, Tex.), Vol. 43, No. 35, Ed. 1 Friday, February 17, 2012

Free weekly newspaper that includes business and classified advertising.
Date: February 17, 2012
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 43, No. 36, Ed. 1 Friday, February 17, 2012 (open access)

The Greensheet (Houston, Tex.), Vol. 43, No. 36, Ed. 1 Friday, February 17, 2012

Free weekly newspaper that includes business and classified advertising.
Date: February 17, 2012
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The GV Tribune (Grandview, Tex.), Vol. 117, No. 7, Ed. 1 Friday, February 17, 2012 (open access)

The GV Tribune (Grandview, Tex.), Vol. 117, No. 7, Ed. 1 Friday, February 17, 2012

Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date: February 17, 2012
Creator: Roberts, Janeen
Object Type: Newspaper
System: The Portal to Texas History
The Harper News (Harper, Tex.), Vol. 9, No. 8, Ed. 1 Friday, February 17, 2012 (open access)

The Harper News (Harper, Tex.), Vol. 9, No. 8, Ed. 1 Friday, February 17, 2012

Biweekly newspaper from Harper, Texas that includes community news along with advertising.
Date: February 17, 2012
Creator: Stevens, Martha
Object Type: Newspaper
System: The Portal to Texas History
Hudspeth County Herald and Dell Valley Review (Dell City, Tex.), Vol. 56, No. 14, Ed. 1 Friday, February 17, 2012 (open access)

Hudspeth County Herald and Dell Valley Review (Dell City, Tex.), Vol. 56, No. 14, Ed. 1 Friday, February 17, 2012

Weekly newspaper from Dell City, Texas that includes local, state, and national news along with advertising.
Date: February 17, 2012
Creator: Stuart, Andrew
Object Type: Newspaper
System: The Portal to Texas History