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465 Matching Results
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General Services Administration: Contract Guard Services at the Anchorage Federal Building
A letter report issued by the General Accounting Office with an abstract that begins "A company formed by security guards at the Anchorage, Alaska, Federal Office Building (AFOB) competed unsuccessfully for two contracts and later alleged bias and preselection by the General Services Administration (GSA) in the contract award process. However, GAO's review of relevant documentation and discussions with officials of GSA and the company that alleged the irregularities did not disclose any evidence of bias or preselection in GSA's award of these contracts. GSA appears to have inadvertently used an outdated Department of Labor (DOL) wage determination in its most recent contract because of a misunderstanding of the wage determination process and incorrect advice provided by DOL in 1999. On the basis of the substantial amount of information GAO was able to obtain, including documents and oral information from the guards and GSA officials, GAO concludes that GSA could have done more to respond to the guards' concerns and help ensure and document that the contractor was providing for the safety of federal employees and the security of federal facilities in accordance with the contract. Also, GSA could have done more to respond to the guards' repeated charges of …
Date:
October 10, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Grain growth in Zr-Fe multilayers under in-situ ion irradiation.
None
Date:
October 10, 2000
Creator:
Motta, A. T.; Paesano, A., Jr.; Birtcher, R. C. & Amaral, L.
Object Type:
Article
System:
The UNT Digital Library
The Harper Herald (Harper, Tex.), Vol. 70, No. 39, Ed. 1 Tuesday, October 10, 2000
Weekly newspaper from Harper, Texas that includes local, state, and national news along with advertising.
Date:
October 10, 2000
Creator:
Bishop, Karen
Object Type:
Newspaper
System:
The Portal to Texas History
[Historic Marker Application: Third Church of Christ, Scientist]
Application materials submitted to the Texas Historical Commission requesting a historic marker for the Third Church of Christ, Scientist, in Houston, Texas. The materials include the inscription text of the marker, narrative, and photographs.
Date:
October 10, 2000
Creator:
Texas Historical Commission
Object Type:
Text
System:
The Portal to Texas History
The House Apportionment Formula in Theory and Practice
This report has four major purposes: to summarize the constitutional and statutory requirements governing apportionment; to explain how the current apportionment formula works in theory and in practice; to summarize recent challenges to it on grounds of unfairness; and to explain the reasoning underlying the choice of the equal proportions method over its chief alternative, major fractions.
Date:
October 10, 2000
Creator:
Huckabee, David C.
Object Type:
Report
System:
The UNT Digital Library
Irradiation testing of intermediate and high-density U-Mo alloy dispersion fuels to high burnup.
None
Date:
October 10, 2000
Creator:
Hayes, S. L.; Clark, C. R.; Stuart, J. R.; Meyer, M. K.; Snelgrove, J. L.; Hofman, G. L. et al.
Object Type:
Article
System:
The UNT Digital Library
The last meson
The authors describe the observation of the B{sub c} meson through its semileptonic decays, B{sub c} {r_arrow} J/{psi}{ell}{nu}, and the measurements of the B{sub c} mass, lifetime and production rate in the CDF detector at Fermilab. They also present estimates for B{sub c} production and decay into other final states in the forthcoming run of the upgraded CDF and Tevatron.
Date:
October 10, 2000
Creator:
Devlin, Thomas
Object Type:
Article
System:
The UNT Digital Library
[Letters from Daniel C. Graney and deposit summary]
Letters from Daniel C. Graney to Michael Milliken regarding membership dues and fees. A deposit summary of $155.00 made on November 9, 2000. List of members with addresses and other contact information. A handwritten note to fax invoice to Nancy Russell, and an envelope addressed to Al Daniels from Stonewall Democrats.
Date:
October 10, 2000
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Measurement of Low Level Explosives Reaction in the Two-Dimensional Steven Impact Test
The two-dimensional Steven impact test has been developed to be reproducible and amenable to computer modeling. This test has a hemispherical projectile traveling at tens of m/s impacting a metal cased explosive target. To assist in the understanding of this safety test, two-dimensional shock wave gauge techniques were used to measure the pressures of a few kilobars and times of reactions less than a millisecond. This work is in accord with a long-term goal to develop two-dimensional shock diagnostic techniques that are more than just time of arrival indicators. Experiments were performed where explosives were impacted at levels below shock initiation levels but caused low level reactions. Carbon foil and carbon resistor pressure gauges were used to measure pressures and time of events. The carbon resistor gauges indicate a late time low level reaction at 350 {micro}s after impact of the hemispherical projectile creating 0.5-6 kb peak shocks at the center of PBX 9501 (HMX/Estane/BDNPA-F; 95/2.5/2.5 wt %) explosive discs. The Steven test calculations are based on an ignition and growth criteria and found that the low level reaction occurs at 335 {micro}s, which is in good agreement with the experimental data. Some additional experiments simulating the Steven impact test …
Date:
October 10, 2000
Creator:
Forbes, J. W.; Tarver, C. M.; Chidester, S. K.; Garcia, F.; Greenwood, D. W. & Garza, R.
Object Type:
Article
System:
The UNT Digital Library
Measurement of the NIF Gunite Shielding Composition and Implications for Neutron Activation and Worker Doses
In December 1999 and January 2000, a 40-cm-thick spherical shell of sprayable concrete (''gunite'') was applied to the exterior surface of the National Ignition Facility (NIF) target chamber. Glow-discharge mass spectroscopy has been to determine the elemental composition of multiple gunite samples, which were collected at the time of application. These measured compositions are compared to the anticipated composition and both are used for neutron activation calculations. Contact dose rates are reported and implications for doses rates during operation and for the eventual facility decommissioning are discussed.
Date:
October 10, 2000
Creator:
Latkowski, J F
Object Type:
Article
System:
The UNT Digital Library
Modeling and Computer Simulation: Molecular Dynamics and Kinetic Monte Carlo
Recent years have witnessed tremendous advances in the realistic multiscale simulation of complex physical phenomena, such as irradiation and aging effects of materials, made possible by the enormous progress achieved in computational physics for calculating reliable, yet tractable interatomic potentials and the vast improvements in computational power and parallel computing. As a result, computational materials science is emerging as an important complement to theory and experiment to provide fundamental materials science insight. This article describes the atomistic modeling techniques of molecular dynamics (MD) and kinetic Monte Carlo (KMC), and an example of their application to radiation damage production and accumulation in metals. It is important to note at the outset that the primary objective of atomistic computer simulation should be obtaining physical insight into atomic-level processes. Classical molecular dynamics is a powerful method for obtaining insight about the dynamics of physical processes that occur on relatively short time scales. Current computational capability allows treatment of atomic systems containing as many as 10{sup 9} atoms for times on the order of 100 ns (10{sup -7}s). The main limitation of classical MD simulation is the relatively short times accessible. Kinetic Monte Carlo provides the ability to reach macroscopic times by modeling diffusional …
Date:
October 10, 2000
Creator:
Wirth, B. D.; Caturla, M. J. & Diaz de la Rubia, T.
Object Type:
Report
System:
The UNT Digital Library
Multi Canister Overpack (MCO) Combustible Gas Management Leak Test Acceptance Criteria (OCRWM)
The purpose of this document is to support the Spent Nuclear Fuel Project's combustible gas management strategy while avoiding the need to impose any requirements for oxygen free atmospheres within storage tubes that contain multi-canister overpacks (MCO). In order to avoid inerting requirements it is necessary to establish and confirm leak test acceptance criteria for mechanically sealed and weld sealed MCOs that are adequte to ensure that, in the unlikely event the leak test results for any MCO were to approach either of those criteria, it could still be handled and stored in stagnant air without compromising the SNF Project's overall strategy to prevent accumulation of combustible gas mixtures within MCOs or within their surroundings. To support that strategy, this document: (1) establishes combustible gas management functions and minimum functional requirements for the MCO's mechanical seals and closure weld(s); (2) establishes a maximum practical value for the minimum required initial MCO inert backfill gas pressure; and (3) based on items 1 and 2, establishes and confirms leak test acceptance criteria for the MCO's mechanical seal and final closure weld(s).
Date:
October 10, 2000
Creator:
SHERRELL, D.L.
Object Type:
Report
System:
The UNT Digital Library
Nanocluster formation during ion irradiation of SiO{sub 2}Ag/SiO{sub 2} multilayers.
None
Date:
October 10, 2000
Creator:
Birtcher, R. C.; Donnelly, S. E.; Rehn, L. E. & Thome, L.
Object Type:
Article
System:
The UNT Digital Library
Neutrino masses at v3/2
Theories in which neutrino masses are generated by a conventional see-saw mechanism generically yield masses which are O(v{sup 2}) in units where M{sub Pl} = 1, which is naively too small to explain the results from SuperKamiokande. In supersymmetric theories with gravity mediated supersymmetry breaking, the fundamental small parameter is not v/M{sub Pl}, but m{sub I}/M{sub Pl}, where m{sub I} is the scale of supersymmetry breaking in the hidden sector. We note that m{sub I}{sup 3}/M{sub Pl}{sup 2} is only slightly too large to explain SuperKamiokande, and present two models that achieve neutrino masses at this order in m{sub I}, one of which has an additional suppression {lambda}{sub {tau}}{sup 2}, while the other has additional suppression arising from a loop factor. The latter model shares a great deal of phenomenology with a class of models previously explored, including the possibility of viable sneutrino dark matter.
Date:
October 10, 2000
Creator:
Arkani-Hamed, Nima; Hall, Lawrence; Murayama, Hitoshi; Smith,David & Weiner, Neal
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Kilby]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 10, 2000, 4:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Kilby Nobel]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 10, 2000, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Nobel Prize]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 10, 2000, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Noise in CdZnTe detectors
Noise in CdZnTe devices with different electrode configurations was investigated. Measurements on devices with guard-ring electrode structures showed that surface leakage current does not produce any significant noise. The parallel white noise component of the devices appeared to be generated by the bulk current alone, even though the surface current was substantially higher. This implies that reducing the surface leakage current of a CdZnTe detector may not necessarily result in a significant improvement in noise performance. The noise generated by the bulk current is also observed to be below full shot noise. This partial suppression of shot noise may be the result of Coulomb interaction between carriers or carrier trapping. Devices with coplanar strip electrodes were observed to produce a 1/f noise term at the preamplifier output. Higher levels of this 1/f noise were observed with decreasing gap widths between electrodes. The level of this 1/f noise appeared to be independent of bias voltage and leakage current but was substantially reduced after certain surface treatments.
Date:
October 10, 2000
Creator:
Luke, P. N.; Amman, M.; S., Lee J. & Manfredi, P. F.
Object Type:
Article
System:
The UNT Digital Library
NUPRO Process Vent and MCO Check Valve Prevent Backflow from Process Vent into MCO
None
Date:
October 10, 2000
Creator:
Miska, C. R.
Object Type:
Report
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 84, No. 37, Ed. 1 Tuesday, October 10, 2000
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 10, 2000
Creator:
McFall, Amy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Philippine-U.S. Security Relations
None
Date:
October 10, 2000
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Point defect energetics in the ZrNi and Zr{sub 2}Ni intermetallics.
None
Date:
October 10, 2000
Creator:
Moura, C. S.; Motta, A. T.; Lam, N. Q. & Amaral, L.
Object Type:
Article
System:
The UNT Digital Library
Population Characteristics and Seasonal Movement Patterns of the Rattlesnake Hills Elk Herd - Status Report 2000
Report describes status of Rock Mountain elk in the Rattlesnake Hills for the year 2000.
Date:
October 10, 2000
Creator:
Tiller, Brett L.; Zufelt, Rhett K.; Turner, Scott D.; Cadwell, Larry L.; Bender, Louis & Turner, Gerald K.
Object Type:
Report
System:
The UNT Digital Library
Population Characteristics and Seasonal Movement Patterns of the Rattlesnake Hills Elk Herd - Status Report 2000
Wildlife biologists documented an isolated elk population in 1972 on the U.S. Department of Energy's (DOE) Hanford Site. Since then the herd has grown, exceeding 800 animals in 1999. Limited harvests on adjacent private lands have occurred since 1986. The large herd size coupled with limited annual harvest have increased concerns about private land crop damages, vehicle collisions, degradation of the native environment, and the herd's use of radiologically controlled areas on the Hanford Site. As a result, in 1999, a decision was made by the Washington Department of Fish and Wildlife (WDFW) (animal management), the U.S. Fish and Wildlife Service (USFWS) (land management), and DOE (landowner) to conduct a large-scale animal roundup to remove elk from the DOE-owned lands and relocate them to distant areas within Washington State. The interagency roundup and relocation occurred in spring 2000. This report presents the current status of the herd size and composition, annual removal estimates, and some limited seasonal area-use patterns by several radio-collared elk subsequent to the large-scale elk roundup. The elk herd maintained an approximate 25% annual increase until 2000. A large harvest offsite in 1999 coupled with the large-scale roundup in spring 2000 reduced herd size to the current …
Date:
October 10, 2000
Creator:
Tiller, Brett L; Cadwell, Larry L; Zufelt, Rhett K; Turner, Scott D & Turner, Gerald K
Object Type:
Report
System:
The UNT Digital Library