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open access

Medicare: Beneficiary Use of Clinical Preventive Services

Description: A letter report issued by the General Accounting Office with an abstract that begins "Preventive medicine, including immunizations for many diseases and screening for some types of cancer, holds the promise to extend and improve the quality of life for millions of Americans. Medicare now covers three preventive services for immunizations and three for screenings, and the Centers for Medicare and Medicaid Services (CMS) sponsors "interventions" to increase the use of preventive services. GAO fou… more
Date: April 10, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Welfare Reform: States Provide TANF-Funded Work Support Services to Many Low-Income Families Who Do Not Receive Cash Assistance

Description: Testimony issued by the General Accounting Office with an abstract that begins "The Temporary Assistance for Needy Families (TANF) block grant makes $16.5 billion available to states each year, regardless of changes in the number of people receiving benefits. To qualify for their full TANF allotments, states must spend a certain amount of state money, referred to as maintenance-of-effort funds. As states implemented work-focused reforms during the strong economy of the 1990s, welfare caseloads … more
Date: April 10, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Education Financial Management: Weak Internal Controls Led to Instances of Fraud and Other Improper Payments

Description: Testimony issued by the General Accounting Office with an abstract that begins "The Department of Education has a history of financial management problems, including serious internal control weaknesses, that have affected the Department's ability to provide reliable financial information on its operations. GAO found that significant internal control weaknesses in payment processes and poor physical control over its computer assets led to fraud, improper payments, and lost assets. GAO also ident… more
Date: April 10, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Land Management Agencies: Restoring Fish Passage Through Culverts on Forest Service and BLM Lands in Oregon and Washington Could Take Decades

Description: Testimony issued by the General Accounting Office with an abstract that begins "GAO discussed the condition of culverts on fish-bearing streams in Oregon and Washington and the federal efforts to identify and restore culverts that are impeding fish passage on Bureau of Land Management (BLM) and Forest Service lands. This testimony is based on a November 2001 report (GAO-02-136), which described (1) the number of culverts that may impede fish passage on BLM and Forest Service lands in Oregon and… more
Date: April 10, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

NASA: Compliance With Cost Limits Cannot Be Verified

Description: Correspondence issued by the General Accounting Office with an abstract that begins "The National Aeronautics and Space Administration's (NASA) authorization act for fiscal year 2000 limits expenditures for space station development to $25 billion and for shuttle launches to $17.7 billion. The act also requires NASA to (1) account for and report amounts obligated to date against the cost limits, (2) identify the amounts needed for future development and completion of the space station, and (3) … more
Date: April 10, 2002
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Microfluidic Tools for Biological Sample Preparation

Description: Researchers at Lawrence Livermore National Laboratory are developing means to collect and identify fluid-based biological pathogens in the forms of proteins, viruses, and bacteria. To support detection instruments, we are developing a flexible fluidic sample preparation unit. The overall goal of this Microfluidic Module is to input a fluid sample, containing background particulates and potentially target compounds, and deliver a processed sample for detection. We are developing techniques for s… more
Date: April 10, 2002
Creator: Visuri, S R; Ness, K; Dzenitis, J; Benett, B; Bettencourt, K; Hamilton, J et al.
Partner: UNT Libraries Government Documents Department
open access

The Role of Al on the Thermodynamics of Hydrogen Absorption/Desorption by Some Ternary Pd-M-Al Alloys where M=Rh, Ni, Pt, Cr, Ag.

Description: The solution of hydrogen and hydride formation in FCC substitutional solid solution Pd0.9Rh0.1-xAlx alloys have been examined. In contrast to some other Pd ternary alloys, a linear relation does not obtain between the H capacity and x for the Pd0.9Rh0.1-xAlx alloys investigated here where the H capacity of the alloys is estimated from the H content of the steeply rising part of the isotherms in the hydride phase regions. A linear increase of the dilute phase H solubility with x for these Pd0.9R… more
Date: April 10, 2002
Creator: Shanahan, K. L.
Partner: UNT Libraries Government Documents Department
open access

FIELD DEMONSTRATION OF A MEMBRANE PROCESS TO RECOVER HEAVY HYDROCARBONS AND TO REMOVE WATER FROM NATURAL GAS

Description: The objective of this project is to design, construct and field demonstrate a 3-MMscfd membrane system to recover natural gas liquids (NGL) and remove water from raw natural gas. The gas processed by the membrane system will meet pipeline specifications for dew point and Btu value, and the process is likely to be significantly less expensive than glycol dehydration followed by propane refrigeration, the principal competitive technology. The BP-Amoco gas processing plant in Pascagoula, MS was fi… more
Date: April 10, 2002
Partner: UNT Libraries Government Documents Department
open access

Design of 2.4 GHz CMOS Direct Conversion LNA and Mixer Combination for Wirless Data-Link Transceiver

Description: Three LNA and mixer combinations in 0.6{micro}m and 0.4{micro}m standard CMOS processes for direct-conversion receiver of 2.4GHz ISM band short-range wireless data-link applications are described in this paper. Taking low power dissipation as first consideration, these designs, employing differential common-source LNA and double balanced mixer architectures, achieve total conversion gain as high as 42.4dB, DSB noise figure as low as 9.5dB, output-referred IP3 as high as of 21.3dBm at about 4mA … more
Date: April 10, 2002
Creator: Zhao, Desong & O'Connor, Paul
Partner: UNT Libraries Government Documents Department
open access

Authorization policy in a PKI environment

Description: The major emphasis of Public Key Infrastructure has been to provide a cryptographically secure means of authenticating identities. While there are a number of proposed standards for authorization structures and protocols based on X.509 or other key-based identities, none have been widely adopted. As part of an effort to use X.509 identities to provide authorization in highly distributed environments, we have developed and deployed an authorization service based on X.509 identified users and acc… more
Date: April 10, 2002
Creator: Thompson, Mary R.; Mudumbai, Srilekha S.; Essiari, Abdelilah & Chin, Willie
Partner: UNT Libraries Government Documents Department
open access

Design Analysis for a Scaled Erosion Test

Description: In support of a slurry wear evaluation in the pretreatment filtration and evaporation systems of RPP-WTP, Engineering Modeling and Simulation Group (EMSG) has developed the computational models to help guide component design and scaling decisions and to assist in the full-scale analyses. This report deals with the filtration system. In this project, computational fluid dynamics (CFD) methods were applied to ensure that the test facility design would capture the erosion phenomena expected in the… more
Date: April 10, 2002
Creator: Lee, Si Young
Partner: UNT Libraries Government Documents Department
open access

CONTROL SYSTEM ANALYSIS FOR THE PERTURBED LINEAR ACCELERATOR RF SYSTEM

Description: This paper addresses the modeling problem of the linear accelerator RF system in SNS. Klystrons are modeled as linear parameter varying systems. The effect of the high voltage power supply ripple on the klystron output voltage and the output phase is modeled as an additive disturbance. The cavity is modeled as a linear system and the beam current is modeled as the exogenous disturbance. The output uncertainty of the low level RF system which results from the uncertainties in the RF components a… more
Date: April 10, 2002
Creator: KWON, SUNG-IL & REGAN, AMY H.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Target flasher]

Description: B-roll video footage from the KXAS-TV/NBC 5 television station in Fort Worth, Texas, covering a news story.
Date: April 10, 2002, 5:00 p.m.
Duration: 36 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Target flasher]

Description: Video footage from the KXAS-TV/NBC 5 television station in Fort Worth, Texas, covering a news story.
Date: April 10, 2002
Duration: 35 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Target flasher]

Description: Video footage from the KXAS-TV/NBC 5 television station in Fort Worth, Texas, covering a news story.
Date: April 10, 2002, 6:00 p.m.
Duration: 1 minute 32 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
open access

On the Development of MMCS Containing Copper with Silicon Carbide Reinforcement using Nanomaterials and Dynamic Compaction

Description: Metal matrix composites (MMCs) are promising engineering materials for a wide spectrum of applications. There are many possible matrix-reinforcement combinations including MMCs containing copper or copper alloy matrices [1-3]. The present study is concerned with copper reinforced with SiC particles. The materials studied here were processed from nano-scale matrix powders and consolidated using dynamic compaction.
Date: April 10, 2002
Creator: Popov, V A; Lesuer, D R; Kotov, I A; Ivanov, V V; Smirnov, O M; Marmulev, A V et al.
Partner: UNT Libraries Government Documents Department
open access

Heat transfer on D Zero Run2b stave

Description: The temperature distribution on the silicon sensors and the cooling system performance for the D0 Run2b stave have been investigated. The tests have been carried out on a carbon fiber skin only stave, with and without heat input at two different chiller temperatures (-9.1 C and -19.1 C). For a bulk temperature of -14.5 C and a 14W total heat load, the stave surface has reached a peak temperature of +3.3 C, localized under the readout chip. The ''hot spot'' in the hybrid region extends about twi… more
Date: April 10, 2002
Creator: Lanfranco, Giobatta
Partner: UNT Libraries Government Documents Department
open access

Erratum: "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies"

Description: This erratum corrects a computational error affecting the calculation of the intrinsic luminosities of several objects in the article "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies." This does not affect any of the main results of the article.
Date: April 10, 2002
Creator: Shemmer, Ohad & Netzer, Hagai
Partner: UNT College of Arts and Sciences
open access

Stabilization of Tank 33 and 35 Aqueous PUREX Waste

Description: Approximately 38,000 gallons of PUREX waste are currently stored in the New Solvent Storage Tanks (NSST), Tanks 33 and 35. The waste consists of both an organic and aqueous fraction. Solidification is currently being evaluated for the 24,800 gallons of organic PUREX waste.
Date: April 10, 2002
Creator: Langton, C.A.
Partner: UNT Libraries Government Documents Department
open access

Accelerated Geothermal Resource Development in the Great Basin Through Enhanced Public Awareness and Outreach to Shareholders.

Description: The Great Basin Center for Geothermal Energy conducted work encompassing two main tasks. We (1) produced a web-based, stakeholder geothermal information system for Nevada geothermal data relevant to assessing and developing geothermal resources, and (2) we held informational stakeholder workshops (both as part of GeoPowering the West Initiative). The objective of this grant was to conduct workshops and fund database and web development activities. This grant funds salaries for web and database … more
Date: April 10, 2002
Creator: Taranik, James V.; Oppliger, Gary & Sawatsky, Don
Partner: UNT Libraries Government Documents Department
open access

Influence of Microbial Iron and Nitrate Reduction on Subsurface Iron Biogeochemistry and Contaminant Metal Mobilization

Description: Although toxic metal and radionuclide contaminants can not be destroyed, their toxicity and mobility can be dramatically altered by microbial activity. In addition to toxic metals, many contaminated sites contain both iron-containing minerals and co-contaminants such as nitrate NO{sub 3}{sup -}. Successful implementation of metal and radionuclide bioremediation strategies in such environments requires an understanding of the complex microbial and geochemical interactions that influence the redo… more
Date: April 10, 2002
Creator: Picardal, Flynn W.
Partner: UNT Libraries Government Documents Department
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