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open access

Medicare: HCFA to Strengthen Medicare Provider Enrollment Significantly, but Implementation Behind Schedule

Description: Correspondence issued by the General Accounting Office with an abstract that begins "One of the first defenses against improper Medicare billings is the screening of applications from providers seeking to participate in the program. The Health Care Financing Administration (HCFA) operates and manages the Medicare program and, with help from insurance companies, reviews provider applications to determine whether providers meet Medicare requirements and if there is a reason to suspect that provid… more
Date: November 2, 2000
Creator: United States. General Accounting Office.
Partner: UNT Libraries Government Documents Department
open access

Low-Activity Waste Glass Studies: FY2000 Summary Report

Description: Over 200 single-pass flow-through experiments were completed with LAWABP1 glass, the reference glass for the 2001 Immobilized Low-Activity Waste Performance Assessment. These data provided the kinetic rate law parameters and Na ion-exchange rate needed to conduct long-term performance analyses using the reactive chemical transport code STORM. Pressurized unsaturated flow (PUF) experiments with five prototypic LAW glasses were also performed. The PUF test provides a means to dramatically acceler… more
Date: November 2, 2000
Creator: McGrail, B. Peter; Icenhower, Jonathan P.; Martin, Paul F.; Rector, David R.; Schaef, Herbert T.; Rodriguez, Elsa A. et al.
Partner: UNT Libraries Government Documents Department
open access

TOP500 Supercomputer sites 11/2000

Description: To provide a better basis for statistics on high-performance computers, we list the sites that have the 500 most powerful computer systems installed. The best Linpack benchmark performance achieved is used as a performance measure in ranking the computers.
Date: November 2, 2000
Creator: Meuer, Hans W.; Strohmaier, Erich; Dongarra, Jack J. & Simon, Horst D.
Partner: UNT Libraries Government Documents Department
open access

CLASSIFICATION OF THE MGR WASTE PACKAGE REMEDIATION SYSTEM

Description: The purpose of this analysis is to document the Quality Assurance (QA) classification of the Monitored Geologic Repository (MGR) waste package remediation system structures, systems, and components (SSCs) performed by the MGR Preclosure Safety and Systems Engineering Section. This analysis also provides the basis for revision of YMP/90-55Q, Q-List (YMP 2000). The Q-List identifies those MGR SSCs subject to the requirements of DOE/RW-0333P7 ''Quality Assurance Requirements and Description'' (QAR… more
Date: November 2, 2000
Creator: Ziegler, J. A.
Partner: UNT Libraries Government Documents Department
open access

CLASSIFICATION OF THE MGR WASTE HANDLING BUILDING VENTILATION SYSTEM

Description: The purpose of this analysis is to document the Quality Assurance (QA) classification of the Monitored Geologic Repository (MGR) waste handling building ventilation system structures, systems and components (SSCs) performed by the MGR Preclosure Safety and Systems Engineering Section. This analysis also provides the basis for revision of YMP/90-55Q, Q-List (YMP 2000). The Q-List identifies those MGR SSCs subject to the requirements of DOE/RW-0333P, ''Quality Assurance Requirements and Descripti… more
Date: November 2, 2000
Creator: Ziegler, J. A.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Perot]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: November 2, 2000, 10:00 p.m.
Duration: 40 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
open access

Longitudinal injection transients in an electron storagering

Description: We present the results of an experimental study of the longitudinal beam dynamics at injection in the Advanced Light Source (ALS), an electron storage ring. By measuring the longitudinal bunch distribution following injection using a streak camera, we were able to study several useful and interesting e.ects as well as improve overall injection efficiency. These include measurement and correction of the phase and energy offsets at injection, measurement of the injected bunch length and energy sp… more
Date: November 2, 2000
Creator: Byrd, J.M. & De Santis, S.
Partner: UNT Libraries Government Documents Department
open access

Field Verification Program for Small Wind Turbines, Quartelry Report: 2nd Quarter, Issue No.1, October 2000

Description: The Field Verification Program for Small Wind Turbines quarterly report provides industry members with a description of the program, its mission, and purpose. It also provides a vehicle for participants to report performance data, activities, and issues during quarterly test periods.
Date: November 2, 2000
Creator: Tu, P. & Forsyth, T.
Partner: UNT Libraries Government Documents Department
open access

Magnetic phase diagram of layered manganites in the highly doped regime.

Description: The naturally layered colossal magnetoresistive (CMR) manganites La{sub 2{minus}2x}Sr{sub 1+2x}Mn{sub 2}O{sub 7} exhibit an extremely varied range of magnetic and electronic behavior over a very narrow composition range between x = 0.3 and x = 0.5. The successful synthesis in our laboratories of compounds with nominally greater than 50 percent Mn{sup 4+} concentration has now allowed the study of this heretofore unexplored region of the phase diagram. Here we present detailed neutron diffractio… more
Date: November 2, 2000
Creator: Mitchell, J. F.; Ling, C. D.; Millburn, J. E.; Argyriou, D. N.; Berger, A. & Medarde, M.
Partner: UNT Libraries Government Documents Department
open access

X-ray magneto-optic Kerr effect studies of spring magnet heterostructures

Description: The complex 3-dimensional magnetization reversal behavior of Sm-Co/Fe exchange spring films is used to test the sensitivity of different resonant soft x-ray magneto-optical Kerr effect (MOKE) measurements to changes in longitudinal and transverse moments within the soft Fe layer and to changes in these moments in depth within the Fe layer. As in the visible MOKE, changes in longitudinal and net transverse moments are resolved by measuring both Kerr rotation and intensity loops, respectively, ne… more
Date: November 2, 2000
Creator: Kortright, J. B.; Kim, Sang-Koog; Fullerton, E. E.; Jiang, J. S. & Bader, S. D.
Partner: UNT Libraries Government Documents Department
open access

Grain boundary transport properties in YBa{sub 2}Cu{sub 3}O{sub x} coated conductors.

Description: Critical current data obtained as a function of magnetic field on an isolated grain boundary (GB) of a coated conductor and two other types of bicrystal GBs of YBa{sub 2}Cu{sub 3}O{sub x} show a peak in the critical current and an unusual hysteresis. These results provide support for a new mechanism for enhanced GB critical currents, arising from interactions of GB vortices with pinned Abrikosov vortices in the banks of a GB, as suggested by Gurevich and Cooley. A substantial fraction of this e… more
Date: November 2, 2000
Creator: Berghuis, P.; Miller, D. J.; Kim, D. H.; Gray, K. E.; Feenstra, R. & Christen, D. K.
Partner: UNT Libraries Government Documents Department
open access

{sup 129}I release fractions in unsaturated tests with fast-flux MOX fuels.

Description: Three types of unsaturated corrosion tests, high-drip, low-drip, and vapor, were initiated with two fast-flux MOX fuels, which had undergone extensive grain restructuring during irradiation in EBR-II. With these restructured fuel samples, release of {sup 129}I should have been maximized. Most of the {sup 129}I that was released during the first year of reaction was attributed to the release of {sup 129}I that had diffused to the grain boundaries of these extensively restructured fuels.
Date: November 2, 2000
Creator: Finn, P. A.; Tsai, Y.; Goldberg, M. M. & Strain, R. V.
Partner: UNT Libraries Government Documents Department
open access

Knowledge Generation

Description: Unattended monitoring systems are being studied as a means of reducing both the cost and intrusiveness of present nuclear safeguards approaches. Such systems present the classic information overload problem to anyone trying to interpret the resulting data not only because of the sheer quantity of data but also because of the problems inherent in trying to correlate information from more than one source. As a consequence, analysis efforts to date have mostly concentrated on checking thresholds o… more
Date: November 2, 2000
Creator: Brabson, John M> & Deland, Sharon M.
Partner: UNT Libraries Government Documents Department
open access

Airport and Airway Trust Fund Issues in the 106th Congress

Description: This report briefly discusses the Wendell H. Ford Aviation Investment and Reform Act for the 21st Century (AIR21 or FAIR21), which helps ensure that all aviation trust fund receipts (including interest) are spent for aviation purposes on an annual basis.
Date: November 2, 2000
Creator: Fischer, John W.
Partner: UNT Libraries Government Documents Department
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