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In-Situ Real Time Monitoring and Control of Mold Making and Filling Processes: Final Report (open access)

In-Situ Real Time Monitoring and Control of Mold Making and Filling Processes: Final Report

This project presents a model for addressing several objectives envisioned by the metal casting industries through the integration of research and educational components. It provides an innovative approach to introduce technologies for real time characterization of sand molds, lost foam patterns and monitoring of the mold filling process. The technology developed will enable better control over the casting process. It is expected to reduce scrap and variance in the casting quality. A strong educational component is integrated into the research plan to utilize increased awareness of the industry professional, the potential benefits of the developed technology, and the potential benefits of cross cutting technologies.
Date: December 22, 2010
Creator: Abdelrahman, Mohamed & Currie, Kenneth
Object Type: Report
System: The UNT Digital Library
EVALUATION OF POTENTIAL ELUANTS FOR NON-ACID ELUTION OF CESIUM FROM RESORCINOL-FORMALDEHYDE RESIN (open access)

EVALUATION OF POTENTIAL ELUANTS FOR NON-ACID ELUTION OF CESIUM FROM RESORCINOL-FORMALDEHYDE RESIN

Small-column ion exchange (SCIX) units installed in high-level waste tanks to remove Cs-137 from highly alkaline salt solutions are among the waste treatment plans in the DOE-complex. Spherical Resorcinol-Formaldehyde (sRF) is the ion exchange resin selected for use in the Hanford Waste Treatment and Immobilization Plant (WTP). It is also the primary ion exchange material under consideration for SCIX at the Hanford site. The elution step of the multi-step ion exchange process is typically done with 0.5 M nitric acid. An acid eluant is a potential hazard in the event of a spill, leak, etc. because the high-level waste tanks are made of carbon steel. Corrosion and associated structural damage may ensue. A study has been conducted to explore non-acid elution as an alternative. Batch contact sorption equilibrium screening tests have been conducted with 36 potential non-acid eluants. The sorption tests involve equilibrating each cesium-containing eluant solution with the sRF resin for 48 hours at 25 C in a shaker oven. In the sorption tests, an eluant is deemed to have a high cesium elution potential if it minimizes cesium sorption onto the sRF resin. The top candidates (based on lowest cesium sorption distribution coefficients) include ammonium carbonate, ammonium carbonate/ammonium …
Date: December 22, 2010
Creator: Adu-Wusu, K. & Pennebaker, F.
Object Type: Report
System: The UNT Digital Library
A Piecewise Bi-Linear Discontinuous Finite Element Spatial Discretization of the Sn Transport Equation (open access)

A Piecewise Bi-Linear Discontinuous Finite Element Spatial Discretization of the Sn Transport Equation

We present a new spatial discretization of the discrete-ordinates transport equation in two-dimensional Cartesian (X-Y) geometry for arbitrary polygonal meshes. The discretization is a discontinuous finite element method (DFEM) that utilizes piecewise bi-linear (PWBL) basis functions, which are formally introduced in this paper. We also present a series of numerical results on quadrilateral and polygonal grids and compare these results to a variety of other spatial discretizations that have been shown to be successful on these grid types. Finally, we note that the properties of the PWBL basis functions are such that the leading-order piecewise bi-linear discontinuous finite element (PWBLD) solution will satisfy a reasonably accurate diffusion discretization in the thick diffusion limit, making the PWBLD method a viable candidate for many different classes of transport problems.
Date: December 22, 2010
Creator: Bailey, T S; Chang, J H; Warsa, J S & Adams, M L
Object Type: Article
System: The UNT Digital Library
Trade Promotion Authority and the Korea Free Trade Agreement (open access)

Trade Promotion Authority and the Korea Free Trade Agreement

This report looks at the effects of the Korean Free Trade Agreement (KORUS FTA) on side agreements via the North American Free Trade Agreement (NAFTA).
Date: December 22, 2010
Creator: Barbour, Emily C.
Object Type: Report
System: The UNT Digital Library

Conversation about Boro social customs

Conversation on the social tradition of the Boros. Dialect: Standard Boro
Date: December 22, 2010
Creator: Basumatary, Prafulla
Object Type: Sound
System: The UNT Digital Library

Conversation about Boro social customs

Conversation on the social tradition of the Boros. Dialect: Standard Boro
Date: December 22, 2010
Creator: Basumatary, Prafulla
Object Type: Sound
System: The UNT Digital Library

Conversation about social reform by Kalicharan Brahma

This is a conversation on the social reformation movement by Kalicharan Brahma. Dialect: Standard Boro
Date: December 22, 2010
Creator: Basumatary, Prafulla
Object Type: Sound
System: The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 118, No. 245, Ed. 1 Wednesday, December 22, 2010 (open access)

Perry Daily Journal (Perry, Okla.), Vol. 118, No. 245, Ed. 1 Wednesday, December 22, 2010

Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date: December 22, 2010
Creator: Brown, Gloria
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Llano News (Llano, Tex.), Vol. 121, No. 12, Ed. 1 Wednesday, December 22, 2010 (open access)

The Llano News (Llano, Tex.), Vol. 121, No. 12, Ed. 1 Wednesday, December 22, 2010

Weekly newspaper from Llano, Texas that includes local, state, and national news along with advertising.
Date: December 22, 2010
Creator: Brown, Hal
Object Type: Newspaper
System: The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 272, Ed. 1 Wednesday, December 22, 2010 (open access)

The Altus Times (Altus, Okla.), Vol. 112, No. 272, Ed. 1 Wednesday, December 22, 2010

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: December 22, 2010
Creator: Bush, Michael
Object Type: Newspaper
System: The Gateway to Oklahoma History
Permanent Normal Trade Relations (PNTR) Status for Russia and U.S.-Russian Economic Ties (open access)

Permanent Normal Trade Relations (PNTR) Status for Russia and U.S.-Russian Economic Ties

This report discusses the issues surrounding whether or not the U.S. should grant Russia permanent normal trade relations (PNTR) following its accession into the World Trade Organization (WTO). The change in Russia's trade status will require legislation to lift the restrictions of Title IV of the Trade Act of 1974 as they apply to Russia, which includes the "freedom-of-emigration" requirements of the Jackson-Vanik amendment.
Date: December 22, 2010
Creator: Cooper, William H.
Object Type: Report
System: The UNT Digital Library
The TANF Emergency Contingency Fund (open access)

The TANF Emergency Contingency Fund

This report discusses the American Recovery and Reinvestment Act of 2009, which created an Emergency Contingency Fund (ECF) within the Temporary Assistance for Needy Families (TANF) block grant. The fund expired on September 30, 2010. It helped states, Indian tribes, and territories pay for additional costs of providing economic aid to families during the current economic downturn for FY2009 and FY2010. This report describes the TANF ECF as well as proposals offered in 2010 to extend and modify TANF emergency funding.
Date: December 22, 2010
Creator: Falk, Gene
Object Type: Report
System: The UNT Digital Library
The Temporary Assistance for Needy Families (TANF) Block Grant: A Primer on TANF Financing and Federal Requirements (open access)

The Temporary Assistance for Needy Families (TANF) Block Grant: A Primer on TANF Financing and Federal Requirements

None
Date: December 22, 2010
Creator: Falk, Gene
Object Type: Report
System: The UNT Digital Library
Organized Crime in the United States: Trends and Issues for Congress (open access)

Organized Crime in the United States: Trends and Issues for Congress

This report provides a background on organized crime in the United States as well as the tools that Congress has afforded for the federal government to combat it. It outlines the trends in federal efforts to investigate and prosecute organized crime. The report then discusses the evolving nature of organized crime, including the domestic impact of organized crime, prominent organized crime groups, and their illegal activities affecting the United States. It concludes with a discussion of issues that Congress may wish to consider, including the attention the federal government allocates to organized crime matters, the multilateral efforts to combat organized crime, and issues surrounding a potential nexus between organized crime and terrorism.
Date: December 22, 2010
Creator: Finklea, Kristin M.
Object Type: Report
System: The UNT Digital Library
Safety Evaluation Report: Development of Improved Composite Pressure Vessels for Hydrogen Storage, Lincoln Composites, Lincoln, NE, May 25, 2010 (open access)

Safety Evaluation Report: Development of Improved Composite Pressure Vessels for Hydrogen Storage, Lincoln Composites, Lincoln, NE, May 25, 2010

Lincoln Composites operates a facility for designing, testing, and manufacturing composite pressure vessels. Lincoln Composites also has a U.S. Department of Energy (DOE)-funded project to develop composite tanks for high-pressure hydrogen storage. The initial stage of this project involves testing the permeation of high-pressure hydrogen through polymer liners. The company recently moved and is constructing a dedicated research/testing laboratory at their new location. In the meantime, permeation tests are being performed in a corner of a large manufacturing facility. The safety review team visited the Lincoln Composites site on May 25, 2010. The project team presented an overview of the company and project and took the safety review team on a tour of the facility. The safety review team saw the entire process of winding a carbon fiber/resin tank on a liner, installing the boss and valves, and curing and painting the tank. The review team also saw the new laboratory that is being built for the DOE project and the temporary arrangement for the hydrogen permeation tests.
Date: December 22, 2010
Creator: Fort, III, William C.; Kallman, Richard A.; Maes, Miguel; Skolnik, Edward G. & Weiner, Steven C.
Object Type: Report
System: The UNT Digital Library
Next Generation Metallic Iron Nodule Technology in Electric Arc Steelmaking - Phase II (open access)

Next Generation Metallic Iron Nodule Technology in Electric Arc Steelmaking - Phase II

The current trend in the steel industry is a gradual decline in conventional steelmaking from taconite pellets in blast furnaces, and an increasing number of alternative processes using metallic scrap iron, pig iron and metallized iron ore products. Currently, iron ores from Minnesota and Michigan are pelletized and shipped to the lower Great Lakes ports as blast furnace feed. The existing transportation system and infrastructure is geared to handling these bulk materials. In order to expand the opportunities for the existing iron ore mines beyond their blast furnace customer base, a new material is needed to satisfy the needs of the emerging steel industry while utilizing the existing infrastructure and materials handling. A recent commercial installation employing Kobe Steel’s ITmk3 process, was installed in Northeastern Minnesota. The basic process uses a moving hearth furnace to directly reduce iron oxides to metallic iron from a mixture of iron ore, coals and additives. The resulting products can be shipped using the existing infrastructure for use in various steelmaking processes. The technology reportedly saves energy by 30% over the current integrated steelmaking process and reduces emissions by more than 40%. A similar large-scale pilot plant campaign is also currently in progress using JFE …
Date: December 22, 2010
Creator: Fosnacht, Donald R.; Iwasaki, Iwao; Kiesel, Richard F.; Englund, David J.; Hendrickson, David W. & Bleifuss, Rodney L.
Object Type: Report
System: The UNT Digital Library
Persistence of gamma-H2AX and 53BP1 foci in proliferating and nonproliferating human mammary epithelial cells after exposure to gamma-rays or iron ions (open access)

Persistence of gamma-H2AX and 53BP1 foci in proliferating and nonproliferating human mammary epithelial cells after exposure to gamma-rays or iron ions

To investigate {gamma}-H2AX (phosphorylated histone H2AX) and 53BP1 (tumour protein 53 binding protein No. 1) foci formation and removal in proliferating and non-proliferating human mammary epithelial cells (HMEC) after exposure to sparsely and densely ionizing radiation under different cell culture conditions. HMEC cells were grown either as monolayers (2D) or in extracellular matrix to allow the formation of acinar structures in vitro (3D). Foci numbers were quantified by image analysis at various time points after exposure. Our results reveal that in non-proliferating cells under 2D and 3D cell culture conditions, iron-ion induced {gamma}-H2AX foci were still present at 72 h after exposure, although 53BP1 foci returned to control levels at 48 h. In contrast in proliferating HMEC, both {gamma}-H2AX and 53BP1 foci decreased to control levels during the 24-48 h time interval after irradiation under 2D conditions. Foci numbers decreased faster after {gamma}-ray irradiation and returned to control levels by 12 h regardless of marker, cell proliferation status, and cell culture condition. Conclusions: The disappearance of radiation induced {gamma}-H2AX and 53BP1 foci in HMEC have different dynamics that depend on radiation quality and proliferation status. Notably, the general patterns do not depend on the cell culture condition (2D versus 3D). …
Date: December 22, 2010
Creator: Groesser, Torsten; Chang, Hang; Fontenay, Gerald; Chen, James; Costes, Sylvain V.; Barcellos-Hoff, Mary Helen et al.
Object Type: Article
System: The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 90, No. 254, Ed. 1 Wednesday, December 22, 2010 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 90, No. 254, Ed. 1 Wednesday, December 22, 2010

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: December 22, 2010
Creator: Halter Gray, Janie
Object Type: Newspaper
System: The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 71, Ed. 1 Wednesday, December 22, 2010 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 71, Ed. 1 Wednesday, December 22, 2010

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: December 22, 2010
Creator: Harmon, C. L.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Mannford Eagle (Mannford, Okla.), Vol. 53, No. 29, Ed. 1 Wednesday, December 22, 2010 (open access)

Mannford Eagle (Mannford, Okla.), Vol. 53, No. 29, Ed. 1 Wednesday, December 22, 2010

Weekly newspaper from Mannford, Oklahoma that includes local, state, and national news along with advertising.
Date: December 22, 2010
Creator: Hughes, Dustin
Object Type: Newspaper
System: The Gateway to Oklahoma History
Retirement and Survivor Annuities for Former Spouses of Federal Employees (open access)

Retirement and Survivor Annuities for Former Spouses of Federal Employees

This report discusses the retirement benefits for federal employees that are governed by chapters 83 (CSRS) and 84 (FERS) of Title 5 of the United States Code.
Date: December 22, 2010
Creator: Isaacs, Katelin P.
Object Type: Report
System: The UNT Digital Library
Iran: U.S. Concerns and Policy Responses (open access)

Iran: U.S. Concerns and Policy Responses

This report discusses the reasons that Iran is considered a threat to U.S. security, including Iran's nuclear program, involvement with terrorist organizations, and involvement with neighboring countries' local governments. The report also discusses ways which the U.S. hopes to modify Iran's behavior with sanctions, and the effectiveness of these sanctions.
Date: December 22, 2010
Creator: Katzman, Kenneth
Object Type: Report
System: The UNT Digital Library
Iraq: Politics, Elections, and Benchmarks (open access)

Iraq: Politics, Elections, and Benchmarks

This report provides an overview of Iraq's political transition from the dictatorship of Saddam Hussein to a plural polity that encompasses varying sects and ideological and political factions. This report also addresses ongoing governmental instabilities and their causes, as well as U.S. concerns about possible Iranian influence in Iraq as U.S. forces depart the country.
Date: December 22, 2010
Creator: Katzman, Kenneth
Object Type: Report
System: The UNT Digital Library
A Two-Coordinate Nickel Imido Complex That Effects C-H Amination (open access)

A Two-Coordinate Nickel Imido Complex That Effects C-H Amination

This article discusses a two-coordinate nickel imido complex that effects C-H amination.
Date: December 22, 2010
Creator: Laskowski, Carl A.; Miller, Alexander J.M.; Hillhouse, Gregory L. & Cundari, Thomas R., 1964-
Object Type: Article
System: The UNT Digital Library