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The Altus Times (Altus, Okla.), Vol. 111, No. 184, Ed. 1 Tuesday, March 24, 2009
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 24, 2009
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 89, No. 82, Ed. 1 Tuesday, March 24, 2009
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
March 24, 2009
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 103, No. 24, Ed. 1 Tuesday, March 24, 2009
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
March 24, 2009
Creator:
Cartwright, Brian & Velvin, Candace E.
Object Type:
Newspaper
System:
The Portal to Texas History
Coast Guard: Observations on Changes to Management and Oversight of the Deepwater Program
Testimony issued by the Government Accountability Office with an abstract that begins "GAO has a large body of work examining government agencies' approaches to managing their large acquisition projects. GAO has noted that without sufficient knowledge about system requirements, technology, and design maturity, programs are subject to cost overruns, schedule delays, and performance that does not meet expectations. The Deepwater Program, intended to replace or modernize 15 major classes of Coast Guard assets, accounts for almost 60 percent of the Coast Guard's fiscal year 2009 appropriation for acquisition, construction and improvements. GAO has reported over the years on this program, which has experienced serious performance and management problems such as cost breaches, schedule slips, and assets designed and delivered with significant defects. To carry out the Deepwater acquisition, the Coast Guard contracted with Integrated Coast Guard Systems (ICGS) as a systems integrator. In April 2007, the Commandant acknowledged that the Coast Guard had relied too heavily on contractors to do the work of government and announced that the Coast Guard was taking over the lead role in systems integration from ICGS. This testimony reflects our most recent issued work on Deepwater, specifically our June 2008 report, Coast Guard: Change in …
Date:
March 24, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
CZT Virtual Frisch-grid Detector: Principles and Applications
Cadmium Zinc Telluride (CdZnTe or CZT) is a very attractive material for using as room-temperature semiconductor detectors, because it has a wide bandgap and a high atomic number. However, due to the material's poor hole mobility, several special techniques were developed to ensure its suitability for radiation detection. Among them, the virtual Frisch-grid CZT detector is an attractive option, having a simple configuration, yet delivering an outstanding spectral performance. The goal of our group in Brookhaven National Laboratory (BNL) is to improve the performance of Frisch-ring CZT detectors; most recently, that effort focused on the non-contacting Frisch-ring detector, allowing us to build an inexpensive, large-volume detector array with high energy-resolution and a large effective area. In this paper, the principles of virtual Frisch-grid detectors are described, especially BNL's innovative improvements. The potential applications of virtual Frisch-grid detectors are discussed, and as an example, a hand-held gamma-ray spectrometer using a CZT virtual Frischgrid detector array is introduced, which is a self-contained device with a radiation detector, readout circuit, communication circuit, and high-voltage supply. It has good energy resolution of 1.4% (FWHM of 662-keV peak) with a total detection volume of {approx}20 cm{sup 3}. Such a portable inexpensive device can be used …
Date:
March 24, 2009
Creator:
Cui,Y.; Bolotnikov, A.; Camarda, G.; Hossain, A. & James, R. B.
Object Type:
Article
System:
The UNT Digital Library
A dedicated superbend x-ray microdiffraction beamline for materials, geo-, and environmental sciences at the advanced light source
A new facility for microdiffraction strain measurements and microfluorescence mapping has been built on beamline 12.3.2 at the advanced light source of the Lawrence Berkeley National Laboratory. This beamline benefits from the hard x-radiation generated by a 6 T superconducting bending magnet (superbend) This provides a hard x-ray spectrum from 5 to 22 keV and a flux within a 1 mu m spot of ~;;5x109 photons/ s (0.1percent bandwidth at 8 keV). The radiation is relayed from the superbend source to a focus in the experimental hutch by a toroidal mirror. The focus spot is tailored bytwo pairs of adjustable slits, which serve as secondary source point. Inside the lead hutch, a pair of Kirkpatrick-Baez (KB) mirrors placed in a vacuum tank refocuses the secondary slit source onto the sample position. A new KB-bending mechanism with active temperature stabilization allows for more reproducible and stable mirror bending and thus mirror focusing. Focus spots around 1 um are routinely achieved and allow a variety of experiments, which have in common the need of spatial resolution. The effective spatial resolution (~;;0.2 mu m) is limited by a convolution of beam size, scan-stage resolution, and stage stability. A four-bounce monochromator consisting of two …
Date:
March 24, 2009
Creator:
Lawrence Berkeley National Laboratory. Advanced Light Source.
Object Type:
Article
System:
The UNT Digital Library
DOE A9024 Final Report Functional and Nanoscale Materials Systems: Frontier Programs of Science at the Frederick Seitz Materials Research Laboratory
The scientific programs of the FSMRL supported under the DOE A9024 Grant consisted of four interdisciplinary research clusters, as described. The clusters were led by Professors Tai Chiang (Physics), Jeffrey Moore (Chemistry), Paul Goldbart (Physics), and Steven Granick (Materials Science and Engineering). The completed work followed a dominant theme--Nanoscale Materials Systems--and emphasized studies of complex phenomena involving surfaces, interfaces, complex materials, dynamics, energetics, and structures and their transformations. A summary of our key accomplishments is provided for each cluster.
Date:
March 24, 2009
Creator:
Lewis, Jennifer A.
Object Type:
Report
System:
The UNT Digital Library
[Email from Daniel Graney to Al Daniels]
Email from Daniel Graney to Al Daniels on March 24, 2009, discussing Houston Stonewall Young Democrats financial sources and dues.
Date:
March 24, 2009
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Environmental Management System Plan
Executive Order 13423, Strengthening Federal Environmental, Energy, and Transportation Management establishes the policy that Federal agencies conduct their environmental, transportation, and energy-related activities in a manner that is environmentally, economically and fiscally sound, integrated, continually improving, efficient, and sustainable. The Department of Energy (DOE) has approved DOE Order 450.1A, Environmental Protection Program and DOE Order 430.2B, Departmental Energy, Renewable Energy and Transportation Management as the means of achieving the provisions of this Executive Order. DOE Order 450.1A mandates the development of Environmental Management Systems (EMS) to implement sustainable environmental stewardship practices that: (1) Protect the air, water, land, and other natural and cultural resources potentially impacted by facility operations; (2) Meet or exceed applicable environmental, public health, and resource protection laws and regulations; and (3) Implement cost-effective business practices. In addition, the DOE Order 450.1A mandates that the EMS must be integrated with a facility's Integrated Safety Management System (ISMS) established pursuant to DOE P 450.4, 'Safety Management System Policy'. DOE Order 430.2B mandates an energy management program that considers energy use and renewable energy, water, new and renovated buildings, and vehicle fleet activities. The Order incorporates the provisions of the Energy Policy Act of 2005 and Energy Independence and …
Date:
March 24, 2009
Creator:
Fox, Robert; Thorson, Patrick; Horst, Blair; Speros, John; Rothermich, Nancy & Hatayama, Howard
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, March 24, 2009
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 24, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Federal Register, Volume 74, Number 55, March 24, 2009, Pages 12225-12530
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:
March 24, 2009
Creator:
United States. Office of the Federal Register.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 40, No. 85, Ed. 1 Tuesday, March 24, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
March 24, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 40, No. 86, Ed. 1 Tuesday, March 24, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
March 24, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Harnessing microbial subsurface metal reduction activities to synthesise nanoscale cobalt ferrite with enhanced magnetic properties
Nanoscale ferrimagnetic particles have a diverse range of uses from directed cancer therapy and drug delivery systems to magnetic recording media and transducers. Such applications require the production of monodisperse nanoparticles with well-controlled size, composition, and magnetic properties. To fabricate these materials purely using synthetic methods is costly in both environmental and economical terms. However, metal-reducing microorganisms offer an untapped resource to produce these materials. Here, the Fe(III)-reducing bacterium Geobacter sulfurreducens is used to synthesize magnetic iron oxide nanoparticles. A combination of electron microscopy, soft X-ray spectroscopy, and magnetometry techniques was employed to show that this method of biosynthesis results in high yields of crystalline nanoparticles with a narrow size distribution and magnetic properties equal to the best chemically synthesized materials. In particular, it is demonstrated here that cobalt ferrite (CoFe{sub 2}O{sub 4}) nanoparticles with low temperature coercivity approaching 8 kOe and an effective anisotropy constant of {approx} 10{sup 6} erg cm{sup -3} can be manufactured through this biotechnological route. The dramatic enhancement in the magnetic properties of the nanoparticles by the introduction of high quantities of Co into the spinel structure represents a significant advance over previous biomineralization studies in this area using magnetotactic bacteria. The successful production of …
Date:
March 24, 2009
Creator:
Coker, Victoria S.; Telling, Neil D.; van der Laan, Gerrit; Pattrick, Richard A.D.; Pearce, Carolyn I.; Arenholz, Elke et al.
Object Type:
Article
System:
The UNT Digital Library
Iraq: Key Issues for Congressional Oversight
Other written product issued by the Government Accountability Office with an abstract that begins "To assist the 111th Congress, this report presents a series of issue papers for consideration in developing congressional oversight agendas and determining the way forward in securing and stabilizing Iraq. These papers are based on the continuing work of the U.S. Government Accountability Office (GAO) and the more than 130 Iraq-related products we have issued since May 2003. Since fiscal year 2001, Congress has provided about $808 billion to the Department of Defense (DOD) for military efforts primarily in support of the Global War on Terrorism. The majority of this amount has been for military operations in support of Operation Iraqi Freedom. Moreover, since fiscal year 2003, about $49 billion has been provided to U.S. agencies for stabilization and reconstruction efforts in Iraq, including developing Iraq's security forces, enhancing Iraq's capacity to govern, and rebuilding Iraq's oil, electricity, and water sectors, among other activities. This report expands on issues discussed on GAO's transition Web site. In January 2007, President Bush announced The New Way Forward in Iraq to stem violence and enable the Iraqi government to foster national reconciliation. To support the strategy, the United States …
Date:
March 24, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
[Letter from David A. Stallman, March 24, 2009]
Letter from David A. Stallman discussing one of Snapp's experiences as a WASP. There is handwritten text on the letter, adding to the story.
Date:
March 24, 2009
Creator:
Stallman, David A.
Object Type:
Letter
System:
The Portal to Texas History
[E-Mail from David A. Stallman to WASP Heritage Interview Candidates, March 24, 2009]
Letter from David A. Stallman to the WASP Heritage Interview Candidates discussing the possibility of more WASPs agreeing to be interviewed in order to preserve the WASP's story in history.
Date:
March 24, 2009
Creator:
Stallman, David A.
Object Type:
Letter
System:
The Portal to Texas History
Manufacturing Extension Partnership Program: An Overview
This report provides a brief overview of The Hollings Manufacturing Partnership (MEP), which is a program of regional centers set up to assist small and medium-sized manufacturing companies use knowledge and technologies developed under the auspices of the National Institute of Standards and Technology (NIST).
Date:
March 24, 2009
Creator:
Schacht, Wendy H.
Object Type:
Report
System:
The UNT Digital Library
Master's Recital: 2009-03-24 - Denika Lam, cello
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
March 24, 2009
Creator:
Lam, Denika
Object Type:
Sound
System:
The UNT Digital Library
The National Institute of Standards and Technology: An Appropriations Overview
None
Date:
March 24, 2009
Creator:
Schacht, Wendy H.
Object Type:
Report
System:
The UNT Digital Library
National Special Security Events
This report provides information on USSS legislative authority for National Special Security Events (NSSE), NSSE designation funding and training, and NSSE funding.
Date:
March 24, 2009
Creator:
Reese, Shawn
Object Type:
Report
System:
The UNT Digital Library
Nonambulatory Livestock and the Humane Methods of Slaughter Act
None
Date:
March 24, 2009
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
North Texas Daily (Denton, Tex.), Vol. 93, No. 32, Ed. 1 Tuesday, March 24, 2009
Daily student newspaper from the University of North Texas in Denton, Texas that includes local, state and campus news along with advertising.
Date:
March 24, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 94, No. 117, Ed. 1 Tuesday, March 24, 2009
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 24, 2009
Creator:
Simons, Meredith
Object Type:
Newspaper
System:
The Gateway to Oklahoma History