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15th Street News (Midwest City, Okla.), Vol. 38, No. 24, Ed. 1 Friday, April 10, 2009
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 10, 2009
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 111, No. 197, Ed. 1 Friday, April 10, 2009
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 10, 2009
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Authoritative Resources on the American Recovery and Reinvestment Act of 2009 (ARRA)
This report presents a list of authoritative resources designed to assist in responding to a broad range of questions and concerns about the American Recovery and Reinvestment Act (ARRA), P.L. 111-5. Links to the full text of the act, Congressional Budget Office (CBO) estimates, White House fact sheets, and federal, state, and municipal government websites are included, along with other useful information.
Date:
April 10, 2009
Creator:
Klarman, Kim Walker & Jennings, Julie
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 89, No. 98, Ed. 1 Friday, April 10, 2009
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
April 10, 2009
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 103, No. 29, Ed. 1 Friday, April 10, 2009
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
April 10, 2009
Creator:
Cartwright, Brian & Velvin, Candace E.
Object Type:
Newspaper
System:
The Portal to Texas History
CAD Tools for Creating Space-filing 3D Escher Tiles
We discuss the design and implementation of CAD tools for creating decorative solids that tile 3-space in a regular, isohedral manner. Starting with the simplest case of extruded 2D tilings, we describe geometric algorithms used for maintaining boundary representations of 3D tiles, including a Java implementation of an interactive constrained Delaunay triangulation library and a mesh-cutting algorithm used in layering extruded tiles to create more intricate designs. Finally, we demonstrate a CAD tool for creating 3D tilings that are derived from cubic lattices. The design process for these 3D tiles is more constrained, and hence more difficult, than in the 2D case, and it raises additional user interface issues.
Date:
April 10, 2009
Creator:
Howison, Mark & Sequin, Carlo H.
Object Type:
Article
System:
The UNT Digital Library
Chemical Effect of Dry and Wet Cleaning of the Ru Protective Layer of the Extreme ultraviolet (EUV) Lithography Reflector
The authors report the chemical influence of cleaning of the Ru capping layer on the extreme ultraviolet (EUV) reflector surface. The cleaning of EUV reflector to remove the contamination particles has two requirements: to prevent corrosion and etching of the reflector surface and to maintain the reflectivity functionality of the reflector after the corrosive cleaning processes. Two main approaches for EUV reflector cleaning, wet chemical treatments [sulfuric acid and hydrogen peroxide mixture (SPM), ozonated water, and ozonated hydrogen peroxide] and dry cleaning (oxygen plasma and UV/ozone treatment), were tested. The changes in surface morphology and roughness were characterized using scanning electron microscopy and atomic force microscopy, while the surface etching and change of oxidation states were probed with x-ray photoelectron spectroscopy. Significant surface oxidation of the Ru capping layer was observed after oxygen plasma and UV/ozone treatment, while the oxidation is unnoticeable after SPM treatment. Based on these surface studies, the authors found that SPM treatment exhibits the minimal corrosive interactions with Ru capping layer. They address the molecular mechanism of corrosive gas and liquid-phase chemical interaction with the surface of Ru capping layer on the EUV reflector.
Date:
April 10, 2009
Creator:
Belau, Leonid; Park, Jeong Y.; Liang, Ted; Seo, Hyungtak & Somorjai, Gabor A.
Object Type:
Article
System:
The UNT Digital Library
Comprehensive Mechanisms for Combustion Chemistry: An Experimental and Numerical Study with Emphasis on Applied Sensitivity Analysis
This project was an integrated experimental/numerical effort to study pyrolysis and oxidation reactions and mechanisms for small-molecule hydrocarbon structures under conditions representative of combustion environments. The experimental aspects of the work were conducted in large-diameter flow reactors, at 0.3 to 18 atm pressure, 500 to 1100 K temperature, and 10<SUP>-2</SUP> to 2 seconds reaction time. Experiments were also conducted to determine reference laminar flame speeds using a premixed laminar stagnation flame experiment and particle image velocimetry, as well as pressurized bomb experiments. Flow reactor data for oxidation experiments include: (1)adiabatic/isothermal species time-histories of a reaction under fixed initial pressure, temperature, and composition; to determine the species present after a fixed reaction time, initial pressure; (2)species distributions with varying initial reaction temperature; (3)perturbations of a well-defined reaction systems (e.g. CO/H<SUB>2</SUB>/O<SUB>2</SUB> or H<SUB>2</SUB>/O<SUB>2</SUB>)by the addition of small amounts of an additive species. Radical scavenging techniques are applied to determine unimolecular decomposition rates from pyrolysis experiments. Laminar flame speed measurements are determined as a function of equivalence ratio, dilution, and unburned gas temperature at 1 atm pressure. Hierarchical, comprehensive mechanistic construction methods were applied to develop detailed kinetic mechanisms which describe the measurements and literature kinetic data. Modeling using well-defined and validated mechanisms …
Date:
April 10, 2009
Creator:
Dryer, Frederick L.
Object Type:
Report
System:
The UNT Digital Library
Contingent Election of the President and Vice President by Congress: Perspectives and Contemporary Analysis
This report provides an examination of constitutional requirements and historical precedents associated with contingent election. It also identifies and evaluates contemporary issues that might emerge in the modern context.
Date:
April 10, 2009
Creator:
Neale, Thomas H.
Object Type:
Report
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 25, No. 47, Ed. 1 Friday, April 10, 2009
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:
April 10, 2009
Creator:
Nash, Tammye
Object Type:
Newspaper
System:
The UNT Digital Library
Drinking Water State Revolving Fund (DWSR): Program Overview and Issues
This report discusses the Safe Drinking Water Act (SDWA) Amendments of 1996, which authorized a drinking water state revolving loan fund (DWSRF) program. The program was intended to help public water systems finance infrastructure projects that were needed to comply with federal drinking water regulations and to meet the Act's health objectives. It includes an overview of funding, allotments and set-asides, drinking water infrastructure needs, program issues, and legislative activity.
Date:
April 10, 2009
Creator:
Tiemann, Mary
Object Type:
Report
System:
The UNT Digital Library
EM-21 Retrieval Knowledge Center: Waste Retrieval Challenges
EM-21 is the Waste Processing Division of the Office of Engineering and Technology, within the U.S. Department of Energy’s (DOE) Office of Environmental Management (EM). In August of 2008, EM-21 began an initiative to develop a Retrieval Knowledge Center (RKC) to provide the DOE, high level waste retrieval operators, and technology developers with centralized and focused location to share knowledge and expertise that will be used to address retrieval challenges across the DOE complex. The RKC is also designed to facilitate information sharing across the DOE Waste Site Complex through workshops, and a searchable database of waste retrieval technology information. The database may be used to research effective technology approaches for specific retrieval tasks and to take advantage of the lessons learned from previous operations. It is also expected to be effective for remaining current with state-of-the-art of retrieval technologies and ongoing development within the DOE Complex. To encourage collaboration of DOE sites with waste retrieval issues, the RKC team is co-led by the Savannah River National Laboratory (SRNL) and the Pacific Northwest National Laboratory (PNNL). Two RKC workshops were held in the Fall of 2008. The purpose of these workshops was to define top level waste retrieval functional areas, …
Date:
April 10, 2009
Creator:
Fellinger, Andrew P.; Rinker, Michael W.; Berglin, Eric J.; Minichan, Richard L.; Poirier, Micheal R.; Gauglitz, Phillip A. et al.
Object Type:
Report
System:
The UNT Digital Library
The Endangered Species Act (ESA) in the 111th Congress: Conflicting Values and Difficult Choices
This report discusses oversight issues and legislation introduced in the 111th Congress to address specific concerns related to how The Endangered Species Act (ESA) is implemented and how endangered and threatened species are managed.
Date:
April 10, 2009
Creator:
Buck, Eugene H. & Corn, M. L.
Object Type:
Report
System:
The UNT Digital Library
Escapement and Productivity of Spring Chinook Salmon and Summer Steelhead in the John Day River Basin, 2005-2006 Annual Technical Report.
The objectives are: (1) Estimate number and distribution of spring Chinook salmon Oncorhynchus tshawytscha redds and spawners in the John Day River subbasin; and (2) Estimate smolt-to-adult survival rates (SAR) and out-migrant abundance for spring Chinook and summer steelhead O. mykiss and life history characteristics of summer steelhead. The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, remain depressed relative to historic levels. Between the completion of the life history and natural escapement study in 1984 and the start of this project in 1998, spring Chinook spawning surveys did not provide adequate information to assess age structure, progeny-to-parent production values, smolt-to-adult survival (SAR), or natural spawning escapement. Further, only very limited information is available for steelhead life history, escapement, and productivity measures in the John Day subbasin. Numerous habitat protection and rehabilitation projects to improve salmonid freshwater production and survival have also been implemented in the basin and are in need of effectiveness monitoring. While our monitoring efforts outlined here will not specifically measure the effectiveness of any particular project, they will provide much needed background information for developing context …
Date:
April 10, 2009
Creator:
Schultz, Terra Lang; Wilson, Wayne H. & Ruzycki, James R.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, April 10, 2009
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 10, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Faculty Recital: 2009-04-10 - Gustavo Romero, piano
Access:
Use of this item is restricted to the UNT Community
A faculty recital performed at the UNT College of Music Concert Hall.
Date:
April 10, 2009
Creator:
Romero, Gustavo
Object Type:
Sound
System:
The UNT Digital Library
Federal Register, Volume 74, Number 68, April 10, 2009, Pages 16321-16752
Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general applicability and legal effect, documents required to be published by act of Congress, and other Federal agency documents of public interest" (p. ii). Table of Contents starts on page iii.
Date:
April 10, 2009
Creator:
United States. Office of the Federal Register.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Fishery, Aquaculture, and Marine Mammal Issues in the 111th Congress
This report discusses many federal laws and regulations regarding fish and marine mammals that are important resources in open ocean and nearshore coastal areas. These lows and regulations guide their management as well as the management of their habitat.
Date:
April 10, 2009
Creator:
Buck, Eugene H. & Upton, Harold F.
Object Type:
Report
System:
The UNT Digital Library
Grande Ronde Endemic Spring Chinook Project - ODFW, 2008 Annual Report.
Core activities of the Grande Ronde Endemic Spring Chinook Supplementation Program (GRESCSP) are funded through the authority of the Lower Snake River Fish and Wildlife Compensation Plan (LSRCP). The LSRCP program was approved by the Water Resources Development Act of 1976, PL 94-587, Section 102, 94th Congress substantially in accordance with the Special Report, LSRCP, June 1975 on file with the Chief of Engineers. The LSRCP was prepared and submitted in compliance with the Fish and Wildlife Coordination Act of 1958, PL 85-624, 85th Congress, August 12, 1958 to mitigate for the losses of fish and wildlife caused by the construction of dams on lower Snake River. The GRESCSP is an artificial propagation program that was initiated by Bonneville Power Administrations Fish and Wildlife program in the mid 1990's. The intent of this program was to change the mitigation aspect of the LSRCP program (harvest mitigation) to an integrated supplementation program; inasmuch as, hatchery produced fish could be experimentally used as a recovery tool and fish surplus to mitigation would be available for in-place and in-kind harvest. Fish production is still authorized by the LSRCP with the original mitigation return goal of 5,860 adult spring Chinook to the project area. …
Date:
April 10, 2009
Creator:
Patterson, Scott
Object Type:
Report
System:
The UNT Digital Library
The Greensheet (Dallas, Tex.), Vol. 33, No. 6, Ed. 1 Friday, April 10, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
April 10, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Dallas, Tex.), Vol. 33, No. 7, Ed. 1 Friday, April 10, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
April 10, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 40, No. 118, Ed. 1 Friday, April 10, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
April 10, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 40, No. 119, Ed. 1 Friday, April 10, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
April 10, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 40, No. 120, Ed. 1 Friday, April 10, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
April 10, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History