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Land Acquisitions: Agencies Generally Used Similar Standards and Appraisal Methodologies in CALFED and CVPIA Transactions

Description: Correspondence issued by the General Accounting Office with an abstract that begins "Since 1994, the CALFED Delta-Bay and Central Valley Project Improvement Act has provided more than $63 million to buy private lands in California for wetlands mitigation and wildlife enhancement. Federal agencies and nonprofit organizations have acquired 101,800 acres--94,300 acres in full ownership and 7,500 acres in partial interest or easements that restrict how land may be used. The three federal agencies a… more
Date: January 23, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Appropriateness of Indian Health Service's Request for Proposals

Description: Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed the appropriateness of a termination of a 1997 request by the Indian Health Services (IHS) for proposals to provide computed tomographic scanning services for the Blackfeet and Crow Service Units in Montana. GAO found no indication that IHS negotiated in bad faith. GAO's Office of Special Investigations had looked into the case in December 1998. GAO determined that the case was not within the scope… more
Date: January 23, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

LDRD Final Report - 01-FS-004

Description: This report describes the results from an experimental program to investigate the feasibility of laser produced MeV protons as a diagnostic of electric fields or shock compressed materials. The experimental campaign was very successful, and has led to substantial advances in the characterization and optimization of proton sources from ultra-intense laser-solid interaction. This is a subject of the highest scientific interest [1] and is highly relevant to developing its use as a possible NIF imp… more
Date: January 23, 2002
Creator: Mackinnon, A. J.
Partner: UNT Libraries Government Documents Department
open access

Thermal and Chemical Stability of Baseline and Improved Crystalline Silicotitanate

Description: The Savannah River Site (SRS) has been evaluating technologies for removing radioactive cesium ({sup 137}Cs) from the supernate solutions stored in the high-level waste tanks at the site. Crystalline silicotitanate (CST) sorbent (IONSIV IE-911{reg_sign}, UOP LLC, Des Plaines, IL), which is very effective at removing cesium from high-salt solutions, was one of three technologies that were tested. Because of the extremely high inventory of {sup 137}Cs expected for the large columns of CST that wo… more
Date: January 23, 2002
Creator: Taylor, P. A.
Partner: UNT Libraries Government Documents Department
open access

Bends and momentum dispersion during final compression in heavy ion fusion drivers

Description: Between the accelerator and fusion chamber the heavy ion beams are subject to a dramatic but vital series of manipulations, some of which are carried out simultaneously and involve large space charge forces. The beams' quality must be maintained at a level sufficient for the fusion application; this general requirement significantly impacts beam line design, especially in the considerations of momentum dispersion. Immediately prior to final focus onto a fusion target, heavy ion driver beams are… more
Date: January 23, 2002
Creator: Lee, Edward P. & Barnard, John J.
Partner: UNT Libraries Government Documents Department

Oral History Interview with L. B. England, January 23, 2002

Description: Interview with Navy veteran L. B. England. The interview includes England's personal experiences while aboard the battleship USS West Virginia during the Japanese attack at Pearl Harbor on December 7, 1941. England also talks about the death of his brother, Boyd England, who was killed on the West Virginia during the attack. The interview includes an appendix with an article about England.
Access: Restricted to UNT Community Members. Login required if off-campus.
Date: January 23, 2002
Creator: Marcello, Ronald E. & England, L. B.
Partner: UNT Oral History Program
open access

Evolving Neural Networks for the Classification of Galaxies

Description: The FIRST survey (Faint Images of the Radio Sky at Twenty-cm) is scheduled to cover 10,000 square degrees of the northern and southern galactic caps. Until recently, astronomers classified radio-emitting galaxies through a visual inspection of FIRST images. Besides being subjective, prone to error and tedious, this manual approach is becoming infeasible: upon completion, FIRST will include almost a million galaxies. This paper describes the application of six methods of evolving neural networks… more
Date: January 23, 2002
Creator: Cantu-Paz, Erick & Kamath, Chandrika
Partner: UNT Libraries Government Documents Department
open access

Interpreting Microarray Data to Build Models of Microbial Genetic Regulation Networks

Description: Microarrays and DNA chips are an efficient, high-throughput technology for measuring temporal changes in the expression of message RNA (mRNA) from thousands of genes (often the entire genome of an organism) in a single experiment. A crucial drawback of microarray experiments is that results are inherently qualitative: data are generally neither quantitatively repeatable, nor may microarray spot intensities be calibrated to in vivo mRNA concentrations. Nevertheless, microarrays represent by the … more
Date: January 23, 2002
Creator: Sokhansanj, B.; Garnham, J. B. & Fitch, J. P.
Partner: UNT Libraries Government Documents Department
open access

Using Data Fusion to Characterize Breast Tissue

Description: New ultrasound data, obtained with a circular experimental scanner, are compared with data obtained with standard X-ray CT. Ultrasound data obtained by scanning fixed breast tissue were used to generate images of sound speed and reflectivity. The ultrasound images exhibit approximately 1 mm resolution and about 20 dB of dynamic range. All data were obtained in a circular geometry. X-ray CT scans were used to generate X-ray images corresponding to the same 'slices' obtained with the ultrasound s… more
Date: January 23, 2002
Creator: Littrup, P.; Duric, N.; Leach, R. R.; Azevedo, S. G.; Candy, J. V.; Moore, T. et al.
Partner: UNT Libraries Government Documents Department
open access

Characterizing Tissue with Acoustic Parameters Derived from Ultrasound Data

Description: In contrast to standard reflection ultrasound (US), transmission US holds the promise of more thorough tissue characterization by generating quantitative acoustic parameters. We compare results from a conventional US scanner with data acquired using an experimental circular scanner operating at frequencies of 0.3 - 1.5 MHz. Data were obtained on phantoms and a normal, formalin-fixed, excised breast. Both reflection and transmission-based algorithms were used to generate images of reflectivity, … more
Date: January 23, 2002
Creator: Littrup, P.; Duric, N.; Leach, R. R.; Azevedo, S. G.; Candy, J. V.; Moore, T. et al.
Partner: UNT Libraries Government Documents Department
open access

Multiscale Surgical Telerobots

Description: A project was undertaken to improve robotic surgical tools for telerobotic minimally invasive surgery. The major objectives were to reduce the size of the tools to permit new surgical procedures in confined spaces such as the heart and to improve control of surgical tools by locating positional sensors and actuators at the end effector rather than external to the patient as is currently the state of the technology. A new compact end-effector with wrist-like flexibility was designed. Positional … more
Date: January 23, 2002
Creator: Miles, R. R.; Seward, K. P.; Benett, W. J.; Tendick, F.; Bentley, L. & Stephan, P. L.
Partner: UNT Libraries Government Documents Department
open access

Assessment of K Basin Sludge Volume Expansion Resulting from Uranium Corrosion During Storage

Description: K Basin sludge contains metallic uranium and uranium oxides that will corrode and hydrate during storage. The end-state (final) corrosion products will have a lower particle density and a higher void fraction (or volume fraction of sludge occupied by water) than the starting-state sludge at the beginning of storage. As the particle density and void fraction change, the volume occupied by a given mass of sludge will also change. The purpose of this report is to quantify how the various types and… more
Date: January 23, 2002
Creator: Schmidt, Andrew J. & Delegard, Calvin H.
Partner: UNT Libraries Government Documents Department
open access

Engineering Titanium for Improved Biological Response

Description: The human body and its aggressive environment challenge the survival of implanted foreign materials. Formidable biocompatibility issues arise from biological, chemical, electrical, and tribological origins. The body's electrolytic solution provides the first point of contact with any kind of implant, and is responsible for transport, healing, integration, or attack. Therefore, determining how to successfully control the integration of a biomaterial should begin with an analysis of the early int… more
Date: January 23, 2002
Creator: Orme, C.; Bearinger, J.; Dimasi, E. & Gilbert, J.
Partner: UNT Libraries Government Documents Department
open access

ULTRA-LIGHTWEIGHT CEMENT

Description: The objective of this project is to develop an improved ultra-lightweight cement using ultra-lightweight hollow glass spheres (ULHS). This report includes results from laboratory testing of ULHS systems along with other lightweight cement systems: foamed and sodium silicate slurries. Comparison studies of the three cement systems examined several properties: tensile strength, Young's modulus, water permeability, and shear bond. Testing was also done to determine the effect that temperature cycl… more
Date: January 23, 2002
Creator: Sabins, Fred
Partner: UNT Libraries Government Documents Department
open access

The Environmental Protection Agency's FY2002 Budget

Description: On April 9, 2001, the President requested $7.3 billion in discretionary budget authority for the Environmental Protection Agency (EPA) for FY2002, $512.0 million (or 7%) less than the FY2001 funding level of $7.8 billion. The request would not have continued funding of about $500 million for activities earmarked for FY2001, and contained provisions shifting more enforcement responsibilities to the states. Popular wastewater infrastructure funding, state roles, and the future of Superfund were s… more
Date: January 23, 2002
Creator: Lee, Martin R.
Partner: UNT Libraries Government Documents Department
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