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Altus Times (Altus, Okla.), Vol. 106, No. 211, Ed. 1 Sunday, December 12, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 12, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Alvin Sun-Advertiser (Alvin, Tex.), Vol. 114, No. 98, Ed. 1 Sunday, December 12, 2004
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
December 12, 2004
Creator:
Schwind, Jim & Looby, Edward
Object Type:
Newspaper
System:
The Portal to Texas History
Amorphous Silicon Based Neutron Detector
Various large-scale neutron sources already build or to be constructed, are important for materials research and life science research. For all these neutron sources, neutron detectors are very important aspect. However, there is a lack of a high-performance and low-cost neutron beam monitor that provides time and temporal resolution. The objective of this SBIR Phase I research, collaboratively performed by Midwest Optoelectronics, LLC (MWOE), the University of Toledo (UT) and Oak Ridge National Laboratory (ORNL), is to demonstrate the feasibility for amorphous silicon based neutron beam monitors that are pixilated, reliable, durable, fully packaged, and fabricated with high yield using low-cost method. During the Phase I effort, work as been focused in the following areas: 1) Deposition of high quality, low-defect-density, low-stress a-Si films using very high frequency plasma enhanced chemical vapor deposition (VHF PECVD) at high deposition rate and with low device shunting; 2) Fabrication of Si/SiO2/metal/p/i/n/metal/n/i/p/metal/SiO2/ device for the detection of alpha particles which are daughter particles of neutrons through appropriate nuclear reactions; and 3) Testing of various devices fabricated for alpha and neutron detection; As the main results: · High quality, low-defect-density, low-stress a-Si films have been successfully deposited using VHF PECVD on various low-cost substrates; · …
Date:
December 12, 2004
Creator:
Xu, Liwei
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 84, No. 7, Ed. 1 Sunday, December 12, 2004
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 12, 2004
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Express-Star (Chickasha, Okla.), Ed. 1 Sunday, December 12, 2004
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 12, 2004
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Levelland and Hockley County News-Press (Levelland, Tex.), Vol. 27, No. 73, Ed. 1 Sunday, December 12, 2004
Semiweekly newspaper from Levelland, Texas that includes local, state, and national news along with advertising.
Date:
December 12, 2004
Creator:
Rigg, John
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 122, No. 100, Ed. 1 Sunday, December 12, 2004
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
December 12, 2004
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Radiocarbon-Based Ages and Growth Rates of Bamboo Corals from the Gulf of Alaska
Deep-sea coral communities have long been recognized by fisherman as areas that support large populations of commercial fish. As a consequence, many deep-sea coral communities are threatened by bottom trawling. Successful management and conservation of this widespread deep-sea habitat requires knowledge of the age and growth rates of deep-sea corals. These organisms also contain important archives of intermediate and deep-water variability, and are thus of interest in the context of decadal to century-scale climate dynamics. Here, we present {Delta}{sup 14}C data that suggest that bamboo corals from the Gulf of Alaska are long-lived (75-126 years) and that they acquire skeletal carbon from two distinct sources. Independent verification of our growth rate estimates and coral ages is obtained by counting seasonal Sr/Ca cycles and probable lunar cycle growth bands.
Date:
December 12, 2004
Creator:
Roark, E. B.; Guilderson, T. P.; Flood-Page, S.; Dunbar, R. B.; Ingram, B. L.; Fallon, S. J. et al.
Object Type:
Article
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 90, No. 77, Ed. 1 Sunday, December 12, 2004
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 12, 2004
Creator:
Broaddus, Matthew B.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Simulating mesoscopic reaction-diffusion systems using the Gillespie algorithm
We examine an application of the Gillespie algorithm to simulating spatially inhomogeneous reaction-diffusion systems in mesoscopic volumes such as cells and microchambers. The method involves discretizing the chamber into elements and modeling the diffusion of chemical species by the movement of molecules between neighboring elements. These transitions are expressed in the form of a set of reactions which are added to the chemical system. The derivation of the rates of these diffusion reactions is by comparison with a finite volume discretization of the heat equation on an unevenly spaced grid. The diffusion coefficient of each species is allowed to be inhomogeneous in space, including discontinuities. The resulting system is solved by the Gillespie algorithm using the fast direct method. We show that in an appropriate limit the method reproduces exact solutions of the heat equation for a purely diffusive system and the nonlinear reaction-rate equation describing the cubic autocatalytic reaction.
Date:
December 12, 2004
Creator:
Bernstein, David
Object Type:
Article
System:
The UNT Digital Library
Topical Report: Task 2.1 "Aphron Visualization"
The Acoustic Bubble Spectrometer has been identified as a potential method for monitoring the size distribution of aphrons in situ, such as in an oil well drilling fluid flowline.1 Research was continued from Task 1.1 of this Project, Aphron Visualization,2 in which ABS was tested against laser light scattering (Coulter Counter) and optical (visual) imaging to determine the bubble size distribution (BSD) of the aphrons at ambient temperature and pressure. Task 2.1 continued this investigation by measuring the bubble size distribution via ABS and optical imaging at elevated pressures up to 2000 psig.
Date:
December 12, 2004
Creator:
O'Connor, Bob & Growcock, Fred
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 34, No. 10, Ed. 1 Friday, November 12, 2004
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 12, 2004
Creator:
Delaney, Darcy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Accessing Ultra-High Pressure, Quasi-Isentropic States of Matter
A new approach to the study of material strength of metals at extreme pressures has been developed on the Omega laser, using a ramped plasma piston drive. The laser drives a shock through a solid plastic reservoir that unloads at the rear free surface, expands across a vacuum gap, and stagnates on the metal sample under study. This produces a gently increasing ram pressure, compressing the sample nearly isentropically. The peak pressure on the sample, inferred from VISAR measurements of velocity, can be varied by adjusting the laser energy and pulse length, gap size, and reservoir density, and obeys a simple scaling relation. In an important application, using in-flight x-ray radiography, the material strength of solid-state samples at high pressure can be inferred by measuring the reductions in the growth rates (stabilization) of Rayleigh-Taylor (RT) unstable interfaces. This paper reports the first attempt to use this new laser-driven, quasi-isentropic technique for determining material strength in high-pressure solids. Modulated foils of Al-6061-T6 were accelerated and compressed to peak pressures of 200 kbar. Modulation growth was recorded at a series of times after peak acceleration and well into the release phase. Fits to the growth data, using a Steinberg-Guinan (SG) constitutive strength …
Date:
November 12, 2004
Creator:
Lorenz, K. T.; Edwards, M. J.; Glendinning, S. G.; Ho, D. D.; Jankowski, Alan Frederic; McNaney, J. et al.
Object Type:
Article
System:
The UNT Digital Library
Air Traffic Control: FAA's Acquisition Management Has Improved, but Policies and Oversight Need Strengthening to Help Ensure Results
A letter report issued by the Government Accountability Office with an abstract that begins "The Federal Aviation Administration's (FAA) multibillion-dollar effort to modernize the nation's air traffic control (ATC) system has resulted in cost, schedule, and performance shortfalls for over two decades and has been on GAO's list of high-risk federal programs since 1995. According to FAA, performance shortfalls were due, in part, to restrictions imposed by federal acquisition and personnel regulations. In response, Congress granted FAA exemptions in 1995 and directed it to develop a new acquisition management system. In this report, GAO compared FAA's AMS with (1) the FAR and (2) commercial best practices for major acquisitions, and (3) examined FAA's implementation of AMS and its progress in resolving problems with major acquisitions."
Date:
November 12, 2004
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 106, No. 187, Ed. 1 Friday, November 12, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 12, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 83, No. 344, Ed. 1 Friday, November 12, 2004
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
November 12, 2004
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Boerne Star & Hill Country Recorder (Boerne, Tex.), Vol. 98, No. 79, Ed. 1 Friday, November 12, 2004
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
November 12, 2004
Creator:
Cartwright, Brian & Barboza, Kerry
Object Type:
Newspaper
System:
The Portal to Texas History
Brady Standard-Herald and Heart O' Texas News (Brady, Tex.), Ed. 1 Friday, November 12, 2004
Semiweekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
November 12, 2004
Creator:
Stewart, James E.
Object Type:
Newspaper
System:
The Portal to Texas History
Census 2000: Design Choices Contributed to Inaccuracy of Coverage Evaluation Estimates
A letter report issued by the Government Accountability Office with an abstract that begins "Evaluations of past censuses show that certain groups were undercounted compared to other groups, a problem known as "coverage error." To address this, the Census Bureau included in its 2000 Census design the Accuracy and Coverage Evaluation Program (A.C.E.) to (1) measure coverage error and (2) use the results to adjust the census, if warranted. However, the Bureau found the A.C.E. results inaccurate and decided not to adjust or plan for adjustment in 2010. Congress asked GAO to determine (1) factors contributing to A.C.E.'s reported failure to accurately estimate census coverage error, and (2) the reliability of the revised coverage error estimates the Bureau subsequently produced. To do this, GAO examined three sets of Bureau research published in March 2001, October 2001, and March 2003 and interviewed Bureau officials."
Date:
November 12, 2004
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Central America and the Dominican Republic in the Context of the Free Trade Agreement (DR-CAFTA) with the United States
None
Date:
November 12, 2004
Creator:
Storrs, K. Larry; Ribando, Clare M.; Sek, Lenore; Sullivan, Mark P.; Taft-Morales, Maureen & Veillette, Connie
Object Type:
Report
System:
The UNT Digital Library
Central Asia: Regional Developments and Implications for U.S. Interests
This report provides an overview of U.S. policy concerns and relations with countries in central Asia. The report discusses issues such as Fostering Pro-Western Orientations, Obstacles to Peace and Independence, Democratization and Human Rights, Security and Arms Control, Trade and Investment, and provides an Aid Overview.
Date:
November 12, 2004
Creator:
Nichol, Jim
Object Type:
Report
System:
The UNT Digital Library
The Clifton Record (Clifton, Tex.), Vol. 109, No. 55, Ed. 1 Friday, November 12, 2004
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
November 12, 2004
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Dallas Voice (Dallas, Tex.), Vol. 21, No. 27, Ed. 1 Friday, November 12, 2004
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:
November 12, 2004
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
Defense Health Care: Force Health Protection and Surveillance Policy Compliance Was Mixed, but Appears Better for Recent Deployments
A letter report issued by the Government Accountability Office with an abstract that begins "A lack of servicemember health and deployment data hampered investigations into the nature and causes of illnesses reported by many servicemembers following the 1990-91 Persian Gulf War. Public Law 105-85, enacted in November 1997, required the Department of Defense (DOD) to establish a system to assess the medical condition of servicemembers before and after deployments. Following its September 2003 report examining Army and Air Force compliance with DOD's force health protection and surveillance policies for Operation Enduring Freedom (OEF) and Operation Joint Guardian (OJG), GAO was asked in November 2003 to also determine (1) the extent to which the services met DOD's policies for Operation Iraqi Freedom (OIF) and, where applicable, compare results with OEF/OJG; and (2) what steps DOD has taken to establish a quality assurance program to ensure that the military services comply with force health protection and surveillance policies."
Date:
November 12, 2004
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library