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Altus Times (Altus, Okla.), Vol. 100, No. 265, Ed. 1 Tuesday, January 25, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Baseline Design Compliance Matrix for the Type 4 In Situ Vapor Samplers (ISVS)
The DOE has identified a need to sample vapor space and exhaust ducts in waste tanks that store radioactive waste. This document provides the Design Compliance Matrix (DCM) for the Type 4 In-Situ Vapor Sampling (ISVS) system that is used for completing this sampling function. The DCM identifies the design requirements and the source of the requirements for the Type 4 ISVS system. DCMs are a single-source compilation design requirements for sampling and sampling support equipment and support the configuration management of these systems.
Date:
January 25, 2000
Creator:
Boger, R. M.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 74, Ed. 1 Tuesday, January 25, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 95, No. 7, Ed. 1 Tuesday, January 25, 2000
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Keasling, Edna & Fierro, Jennifer
Object Type:
Newspaper
System:
The Portal to Texas History
Brady Herald (Brady, Tex.), Vol. 57, No. 11, Ed. 1 Tuesday, January 25, 2000
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Stewart, James E.
Object Type:
Newspaper
System:
The Portal to Texas History
Comparison of Calculational Results from Different Spent Nuclear Fuel (SNF) Crumbling Approaches
Several safety basis cases or scenarios using three different fuel crumbling or degradation approaches were simulated with a modified HANSF Code. Results of simulations are compared and discussed. The conclusion is that the safety basis fuel reaction enhancement factors are conservative and bound other fuel crumbling approaches for the results of interest.
Date:
January 25, 2000
Creator:
PIEPHO, M.G.
Object Type:
Report
System:
The UNT Digital Library
Composition and property measurements for PHA Phase 2 glasses
The results presented in this report are for six Phase 2 Precipitate Hydrolysis Aqueous (PHA) glasses, each of which was targeted to contain 30 wt percent simulated PUREX sludge on a glass basis.
Date:
January 25, 2000
Creator:
Edwards, T. B.
Object Type:
Report
System:
The UNT Digital Library
Composition and property measurements for PHA Phase 3 glasses
The results presented in this report are for six Phase 1 Precipitate Hydrolysis Aqueous (PHA) glasses, each of which was targeted to contain 26 wt percent simulated PUREX sludge on an oxide basis.
Date:
January 25, 2000
Creator:
Edwards, T. B.
Object Type:
Report
System:
The UNT Digital Library
Composition and property measurements for PHA Phase 4 glasses
The results presented in this report are for nine Precipitate Hydrolysis Aqueous (PHA) Phase 4 glasses. Three of the glasses contained HM sludge at 22, 26, and 30 wt% respectively, 10 wt% PHA and 1.25 wt% monosodium titanate (MST), all on an oxide basis. The remaining six glasses were selected from the Phase 1 and Phase 2 studies (Purex sludge) but with an increased amount of MST. The high-end target for MST of 2.5 wt% oxide was missed in Phases 1 and 2 due to {approximately}30 wt% water content of the MST. A goal of this Phase 4 study was to determine whether this increase in titanium concentration from the MST had any impact on glass quality or processibility. Two of the glasses, pha14c and pha15c, were rebatched and melted due to apparent batching errors with pha14 and pha15. The models currently in the Defense Waste Processing Facility's (DWPF) Product Composition Control System (PCCS) were used to predict durability, homogeneity, liquidus, and viscosity for these nine glasses. All of the HM glasses and half of the Purex glasses were predicted to be phase separated, and consequently prediction of glass durability is precluded with the cument models for those glasses that …
Date:
January 25, 2000
Creator:
Edwards, T. B.
Object Type:
Report
System:
The UNT Digital Library
Continuum-based FEM modeling of ceramic powder compaction using a cap-plasticity constitutive model
Common ceramic component manufacturing typically involves the processing of the raw materials in powder form. Granulated powder is formed into a green body of the desired size and shape by consolidation, often by simply pressing nominally dry powder. Ceramic powders are commonly pressed in steel dies or rubber bags with the aim of producing a near-net-shape green body for subsequent sintering. Density gradients in these compacts, introduced during the pressing operation, are often severe enough to cause distortions in the shape of the part during sintering due to nonuniform shrinkage. In such cases, green machining or diamond grinding operations may be needed to obtain the desired final shape and size part. In severe cases, nonuniform shrinkage may even cause fracture in the parts during sintering. Likewise, density gradients can result in green bodies that break during ejection from the die or that are too fragile to be handled during subsequent processing. Empirical relationships currently exist to describe powder compaction but provide little understanding of how to control die design or compaction parameters to minimize density gradients thereby forcing the designer to use expensive and time consuming trial and error procedures. For this reason, interest has grown in developing computational tools …
Date:
January 25, 2000
Creator:
Arguello, Jose G., Jr.; Fossum, Arlo F.; Zeuch, David H. & Ewsuk, Kevin G.
Object Type:
Article
System:
The UNT Digital Library
DART Welcomes Canine Companions
News release about DART's efforts to train service dogs how to help their owners ride rail trains as part of a broader program to enhance the accessibility of rail transit.
Date:
January 25, 2000
Creator:
Lyons, Morgan
Object Type:
Text
System:
The Portal to Texas History
Debuncher Energy Mismatch
During the December 1999 startup of antiproton stacking, a quick measurement of the Debuncher momentum aperture was made. The measurement was done by turning off and de-tuning the Debuncher bunch rotation cavities and observing the Debuncher 75 MHz longitudinal schottky signal of the circulating antiprotons as shown in Figure 1. The frequency at the center of the plot corresponds to the rotation frequency of the Debuncher RF cavities. (The schottky signal and the bunch rotation frequency occur at the 127th and 90th harmonics of the revolution frequency, respectively.) Figure 1 shows that the Debuncher bunch rotation energy is offset from the middle of the Debuncher momentum aperture by about 0.7% (57 MeV). The measured value of momentum aperture using the width of the base of the signal shown in Figure 1 ({eta} = 0.006 ) is 3.9% (346 MeV). This is close to the design value of 4%, so the offset is probably not due to any asymmetric momentum aperture restrictions.
Date:
January 25, 2000
Creator:
McGinnis, Dave
Object Type:
Report
System:
The UNT Digital Library
Dubose CRADA
In phase one of this project, Mr. Dubose needed assistance to evaluate his Minimal Crevice Volume (MCV) Piston Ring concept to see if it showed enough technical merit to warrant the expenditure of time and money into patenting the concept and commercializing it. He initially enlisted the help of Texas Tech University, and subsequently Honeywell FM and T, to evaluate the concept for technical feasibility. This evaluation included engineering evaluations of the concept's functionality and manufacturability, along with design analysis and refinement through finite element analysis and other methods. The Principal Investigator at FM and T (Greg Schuttler) and Dr. Maxwell at Texas Tech provided feedback to Mr. Dubose on the functional feasibility of the concept, and the Principal Investigator at FM and T provided manufacturability guidance. Dr. Maxwell had engineering students and a graduate student at Texas Tech conduct static finite element studies to further evaluate the concept; and an extensive dynamic finite element evaluation of the concept, including design refinement, was carried out at FM and T by the Principal Investigator and Jim Mahoney. The results of the FM and T finite element analysis were used as a justification for Mr. Dubose to pursue patent application for this …
Date:
January 25, 2000
Creator:
Schuttler, G.L.
Object Type:
Report
System:
The UNT Digital Library
Elementary and Secondary Education: Flexibility Initiatives Do Not Address Districts' Key Concerns About Federal Requirements
A statement of record issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed its report on how federal requirements affect local school districts, focusing on: (1) the major federal requirements that affect school districts; (2) the issues school districts face in implementing these requirements; and (3) recent initiatives by Congress and the Department of Education to provide flexibility to school districts."
Date:
January 25, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Evaluation of vitrification factors from DWPF's macro-batch 1
The Defense Waste Processing Facility (DWPF) is evaluating new sampling and analytical methods that may be used to support future Slurry Mix Evaporator (SME) batch acceptability decisions. This report uses data acquired during DWPF's processing of macro-batch 1 to determine a set of vitrification factors covering several SME and Melter Feed Tank (MFT) batches. Such values are needed for converting the cation measurements derived from the new methods to a ``glass'' basis. The available data from macro-batch 1 were used to examine the stability of these vitrification factors, to estimate their uncertainty over the course of a macro-batch, and to provide a recommendation on the use of a single factor for an entire macro-batch. The report is in response to Technical Task Request HLW/DWPF/TTR-980015.
Date:
January 25, 2000
Creator:
Edwards, T. B.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, January 25, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[Fax from Al Daniels to Raymond McNeel]
Fax from Al Daniels to Raymond McNeel on January 25, 2000, discussing a new SDT officers list.
Date:
January 25, 2000
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
A full fuel-cycle analysis of energy and emissions impacts of transportation fuels produced from natural gas
Because of its abundance and because it offers significant energy and evironmental advantages, natural gas has been promoted for use in motor vehicles. A number of transportation fuels are produced from natural gas; each is distinct in terms of upstream production activities and vehicle usage. In this study, the authors avaluate eight fuels produced from natural gas - compressed natural gas, liquefied petroleum gas, methanol, hydrogen, dimethyl ether, Fischer-Tropsch diesel, and electricity--for use in five types of motor vehicles--spark-ignition vehicles, compression-ignition vehicles, hybrid electric vehicles, battery-powered electric vehicles, and fuel-cell vehicles. Because of great uncertainties associated with advances both in fuel production and vehicle technologies, they evaluate near-term and long-term fuels and vehicle technologies separately. Furthermore, for long-term options, they establish both an incremental technology scenario and a leap-forward technology scenario to address potential technology improvements. The study reveals that, in general, the use of natural gas-based fuels reduces energy use and emissions relative to use of petroleum-based gasoline and diesel fuel, although different natural gas-based fuels in different vehicle technologies can have significantly different energy and emissions impacts.
Date:
January 25, 2000
Creator:
Wang, M.Q. & Huang, H.S.
Object Type:
Report
System:
The UNT Digital Library
The Harper Herald (Harper, Tex.), Vol. 70, No. 4, Ed. 1 Tuesday, January 25, 2000
Weekly newspaper from Harper, Texas that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Bishop, Karen
Object Type:
Newspaper
System:
The Portal to Texas History
Lattice QCD with commodity hardware and software
Large scale QCD Monte Carlo calculations have typically been performed on either commercial supercomputers or specially built massively parallel computers such as Fermilab's ACPMAPS. Commodity computer systems offer impressive floating point performance-to-cost ratios which exceed those of commercial supercomputers. As high performance networking components approach commodity pricing, it becomes reasonable to assemble a massively parallel supercomputer from commodity parts. The authors describe the work and progress to date of a collaboration working on this problem.
Date:
January 25, 2000
Creator:
Holmgren, D.J.
Object Type:
Article
System:
The UNT Digital Library
Medicare: Lessons Learned From HCFA's Implementation of Changes to Benefits
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the Health Care Financing Administration's (HCFA) efforts to implement changes to the Medicare program, focusing on HCFA's implementation of the: (1) expansion of the partial hospitalization benefit; and (2) more recent changes under the Balanced Budget Act of 1997 (BBA) to determine whether HCFA is acting upon lessons learned from the partial hospitalization program."
Date:
January 25, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Mendoza]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
January 25, 2000, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 84, No. 90, Ed. 1 Tuesday, January 25, 2000
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
January 25, 2000
Creator:
Wilmoth, Adam
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 17, Ed. 1 Tuesday, January 25, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History