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The Brand (Abilene, Tex.), Vol. 87, No. 4, Ed. 1, Thursday, October 7, 1999
Weekly student newspaper from Hardin-Simmons University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
October 7, 1999
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 109, No. 40, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
October 7, 1999
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Characterization of Naturally Occurring Radioactive Material (NORM) in Oil and Gas Industry Equipment and Wastes
This Sampling and Analysis (S and A) Plan was developed for the NORM Characterization Program, and describes the information to be gained through the program, how the required information is to be collected, and the anticipated form and content of the final data. The S and A Plan provides detailed procedures describing the work to be performed, how and why the work will be performed, and who will be responsible for conducting the various aspects of the work. The S and A Plan has been prepared with input from all parties involved with the program. Where appropriate, portions of the procedures described in the S and A Plan will be field tested by personnel of the Idaho National Engineering Laboratory (INEL) and the Grand Junction Project Office (GJPO), as well as representatives of the cosponsor organizations prior to their use in the field.
Date:
October 7, 1999
Creator:
Rood, A.S. & White, G.J.
Object Type:
Report
System:
The UNT Digital Library
Characterization of the Effect of Au/Al Bondpad Corrosion on Microelectronic Device Reliability
A methodology has been established to predict the effect of atmospheric corrosion on the reliability of plastic encapsulated microelectronic (PEM) devices. New experimental techniques were developed to directly characterize the Al/Au wirebond interface where corrosion primarily occurs. A deterministic empirical model describing wirebond degradation as a function of environmental conditions was generated. To demonstrate how this model can be used to determine corrosion effects on device reliability, a numerical simulation was performed on a three-lead voltage reference device. Surface reaction rate constants, environmental variables and the defect characteristics of the encapsulant were treated as distributed parameters. A Sandia-developed analytical framework (CRAX{trademark}) was used to include uncertainty in the analysis and directly calculate reliability.
Date:
October 7, 1999
Creator:
Braithwaite, Jeffrey W.; Michael, Joseph R.; Peterson, David W.; Robinson, David G.; Sorensen, Neil R. & Strizich, M. P.
Object Type:
Article
System:
The UNT Digital Library
Cherokeean/Herald (Rusk, Tex.), Vol. 150, No. 33, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 7, 1999
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Coffinitization of Uraninite: SEM/AEM Investigation and Geochemical Modeling
Coffinite (USiO{sub 4}) has been found in numerous sedimentary and hydrothermal environments including those considered as natural analogues of nuclear waste repositories. Scanning electron microscopy (SEM) and analytical electron microscopy (AEM) studies have been conducted on a uraninite sample from a U-deposit in Canada. It is observed that the uraninite (UO{sub 2+x}) is replaced by coffinite (U[SiO{sub 4}].nH{sub 2}O) and the replacing coffinite coexists with quartz. The TEM study shows {alpha}-recoil damage, lattice distortion, and low-angle boundaries among neighboring uraninite domains. Coffinitization seems more closely associated with {alpha}-recoil-damaged uraninite areas. Electron energy-loss spectroscopy (EELS) spectrum indicates that the ratio of U(+6)U(+4) in the uraninite is about 2/3, while the coffinite is dominated by U(+4). A thermodynamic calculation indicates that coffinitization can take place most likely at temperatures below 130 C if dissolved silica concentrations are limited by amorphous silica mineral phase. In a sufficiently high silica concentration environment, coffinite can form under the oxygen fugacity of 10{sup -65}-10{sup -55} atm. The equilibrium model, however, is not able to explain the coexistence of coffinite with quartz. A kinetic model that takes account of Ostwald processes is thus proposed. The kinetic model indicates that the presence of U(+6) in uraninite and the …
Date:
October 7, 1999
Creator:
Wang, Yifeng & Xu, Huifang
Object Type:
Article
System:
The UNT Digital Library
The Colony Courier-Leader (The Colony, Tex.), Vol. 18, No. 24, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
Fleming, Jackie
Object Type:
Newspaper
System:
The Portal to Texas History
A Combinatorial Approach to Determine Mechanisms of Atmospheric Copper Sulfidation
Parallel microscopic experimentation (the combinatorial approach often used in solid-state science) was applied to characterize atmospheric copper corrosion behavior. Specifically, this technique permitted relative sulfidation rates to be determined for copper containing different levels of point defects and impurities (In, Al, O, and D). Corrosion studies are inherently difficult because of complex interactions between material interfaces and the environment. The combinatorial approach was demonstrated using micron-scale Cu lines that were exposed to a humid air environment containing sub-ppm levels of H{sub 2}S. The relative rate of Cu{sub 2}S growth was determined by measuring the change in resistance of the line. The data suggest that vacancy trapping by In and Al impurities slow the sulfidation rate. Increased sulfidation rates were found for samples containing excess point defects or deuterium. Furthermore, the sulfidation rate of 14 {micro}m wide Cu lines was increased above that for planar films.
Date:
October 7, 1999
Creator:
Barbour, J. Charles; Braithwaite, Jeffrey W.; Copeland, Robert Guild; Dunn, Roberto G.; Minor, Kenneth G.; Missert, Nancy A. et al.
Object Type:
Article
System:
The UNT Digital Library
Computational Analysis of the SRS Phase III Salt Disposition Alternatives
Completion of the Phase III evaluation and comparison of salt disposition alternatives was supported with enhanced computer models and analysis for each case on the ''short list'' of four options. SPEEDUP(TM) models and special purpose models describing mass and energy balances and flow rates were developed and used to predict performance and production characteristics for each of the options. Results from the computational analysis were a key part of the input used to select a primary and an alternate salt disposition alternative.
Date:
October 7, 1999
Creator:
Dimenna, R. A.
Object Type:
Report
System:
The UNT Digital Library
Cooper Review (Cooper, Tex.), Vol. 119, No. 40, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
Kisic, Theresa
Object Type:
Newspaper
System:
The Portal to Texas History
The Correlation of Stress-State and Nano-Mechanical Properties in Au
A dependence of elastic response on the stress-state of a thin film has been demonstrated using the interfacial force microscope (IFM). Indentation response was measured as a function of the applied biaxial stress-state for 100 nm thick Au films. An increase in measured elastic modulus with applied compressive stress, and a decrease with applied tensile stress was observed. Measurements of elastic modulus before and after applying stress were identical indicating that the observed change in response is not due to a permanent change in film properties.
Date:
October 7, 1999
Creator:
Houston, Jack E.; Jarausch, K. F.; Kiely, J. D. & Russell, P. E.
Object Type:
Article
System:
The UNT Digital Library
Critique of a pion exchange model for interquark forces
The author describes four serious defects of a widely discuss pion exchange model for interquark forces: it doesn't solve the ``spin-orbit problem'' as advertised, it fails to describe the internal structure of baryon resonances, it leads to disastrous conclusions when extended to mesons, and it is not reasonably connected to the physics of heavy-light systems.
Date:
October 7, 1999
Creator:
Isgur, N.
Object Type:
Article
System:
The UNT Digital Library
Demonstration of a Solution Film Leak Test Technique and Equipment for the S00645 Canister Closure
The purpose of this effort was to demonstrate that the SFT technique, when adapted to a DWPF canister nozzle, is capable of detecting leaks not meeting the Waste Acceptance Product Specifications (WAPS) acceptance criterion.
Date:
October 7, 1999
Creator:
Cannell, G. R.
Object Type:
Report
System:
The UNT Digital Library
Detection of explosive events by monitoring acoustically-induced geomagnetic perturbations
The Black Thunder Coal Mine (BTCM) near Gillette, Wyoming was used as a test bed to determine the feasibility of detecting explosion-induced geomagnetic disturbances with ground-based induction magnetometers. Two magnetic observatories were fielded at distances of 50 km and 64 km geomagnetically north from the northernmost edge of BTCM. Each observatory consisted of three separate but mutually orthogonal magnetometers, Global Positioning System (GPS) timing, battery and solar power, a data acquisition and storage system, and a three-axis seismometer. Explosions with yields of 1 to 3 kT of TNT equivalent occur approximately every three weeks at BTCM. We hypothesize that explosion-induced acoustic waves propagate upward and interact collisionally with the ionosphere to produce ionospheric electron density (and concomitant current density) perturbations which act as sources for geomagnetic disturbances. These disturbances propagate through an ionospheric Alfven waveguide that we postulate to be leaky (due to the imperfectly conducting lower ionospheric boundary). Consequently, wave energy may be observed on the ground. We observed transient pulses, known as Q-bursts, with pulse widths about 0.5 s and with spectral energy dominated by the Schumann resonances. These resonances appear to be excited in the earth-ionosphere cavity by Alfven solitons that may have been generated by the …
Date:
October 7, 1999
Creator:
Lewis, J P; Rock, D R; Shaeffer, D L & Warshaw, S I
Object Type:
Report
System:
The UNT Digital Library
Determining Radionuclide Emissions from Unmonitored Sources
This document presents standard methods to be used in the calculation of air emissions from unmonitored sources.
Date:
October 7, 1999
Creator:
Thompson, M.C.
Object Type:
Report
System:
The UNT Digital Library
The Dublin Citizen (Dublin, Tex.), Vol. 10, No. 6, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
Norville, Buddy
Object Type:
Newspaper
System:
The Portal to Texas History
Electra Star-News (Electra, Tex.), Vol. 93, No. 8, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Elimination of Heat-Shielding for Geothermal Tools Operating Up To 300 Degress Celsius
This report focuses Sandia National Laboratories' effort to create high-temperature logging tools for geothermal applications not requiring heat-shielding. Tool electronics can operate up to 300 C with a few limiting components operating to 250 C. Second generation electronics are needed to increase measurement accuracy and extend the operating range to 300 and then 350 C are identified. Custom development of high-temperature batteries and assembling techniques are touched on. Outcomes of this work are discussed and new directions for developing high-temperature industry are suggested.
Date:
October 7, 1999
Creator:
HENFLING,JOSEPH A. & NORMANN,RANDY A.
Object Type:
Article
System:
The UNT Digital Library
Engineering Basis Document Review for Waste Feed Delivery from Single Shell Tanks (SST)
This report provides the results of a review conducted on existing operating specifications and safety requirements and provides a summary of applicable design constraints on the Single-Shell Tank (SST) System. The SST System is required to transition from the current waste storage mission to support the Tank Waste Remediation System (TWRS) waste retrieval mission described in the Tank Waste Remediation System Mission Analysis Report (Acree 1998). The SST System is also required to support the Project Hanford Management Contract (PHMC) portions of the Waste Feed Delivery (WFD) mission. In Phase 1 the SST System will be required to retrieve waste from selected SSTs (tanks 241-C-102 and 241-C-104) for transfer to the Double-Shell Tank (DST) System (tanks 241-AZ-101,241-AY-102). The SST System will include all the systems, structures and components required to safely store, retrieve, and transfer waste in support of the TWRS mission. Operational Specification Documents (OSDs) govern operation of the existing SST System components. However, the system will be highly modified to support the TWRS mission. Therefore OSD requirements may not apply to the new system's design. This document describes the review of existing SST OSDs and provides the rationale for selecting or rejecting requirements as constraints on the SST …
Date:
October 7, 1999
Creator:
SMITH, D.F.
Object Type:
Report
System:
The UNT Digital Library
Ensemble: 1999-10-07 – Symphonic Band and Concert Band
Access:
Use of this item is restricted to the UNT Community
Concert presented at the UNT College of Music Concert Hall.
Date:
October 7, 1999
Creator:
University of North Texas. Symphonic Band.
Object Type:
Sound
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, October 7, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Garber Billings News (Garber, Okla.), Vol. 99, No. 52, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Garber, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
Hogan, Vickie Lee
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Giddings Times & News (Giddings, Tex.), Vol. 110, No. 17, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Giddings, Texas that includes local, state, and national news along with advertising.
Date:
October 7, 1999
Creator:
Preuss, L. M., III & True, David G.
Object Type:
Newspaper
System:
The Portal to Texas History
The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 105, No. 11, Ed. 1 Thursday, October 7, 1999
Weekly newspaper from Goldthwaite, Texas that includes local, state, and national news along with extensive advertising.
Date:
October 7, 1999
Creator:
Bridges, G. Frank & Bridges, Georgie
Object Type:
Newspaper
System:
The Portal to Texas History