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15th Street News (Midwest City, Okla.), Vol. 28, No. 12, Ed. 1 Friday, December 4, 1998
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 4, 1998
Creator:
Pace, Joshua
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 227, Ed. 1 Friday, December 4, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 77, No. 30, Ed. 1 Friday, December 4, 1998
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Dobbs, Gary
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 94, No. 97, Ed. 1 Friday, December 4, 1998
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Chionsini, Brandi
Object Type:
Newspaper
System:
The Portal to Texas History
Catalytic Gasification of Coal using Eutectic Salt Mixtures
The objectives of this study are to: identify appropriate eutectic salt mixture catalysts for coal gasification; assess agglomeration tendency of catalyzed coal; evaluate various catalyst impregnation techniques to improve initial catalyst dispersion; evaluate effects of major process variables (such as temperature, system pressure, etc.) on coal gasification; evaluate the recovery, regeneration and recycle of the spent catalysts; and conduct an analysis and modeling of the gasification process to provide better understanding of the fundamental mechanisms and kinetics of the process. A review of the collected literature was carried out. The catalysts which have been used for gasification can be roughly classified under the following five groups: alkali metal salts; alkaline earth metal oxides and salts; mineral substances or ash in coal; transition metals and their oxides and salts; and eutectic salt mixtures. Studies involving the use of gasification catalysts have been conducted. However, most of the studies focused on the application of individual catalysts. Only two publications have reported the study of gasification of coal char in CO2 and steam catalyzed by eutectic salt mixture catalysts. By using the eutectic mixtures of salts that show good activity as individual compounds, the gasification temperature can be reduced possibly with still better …
Date:
December 4, 1998
Creator:
Sheth, Atul; Agrawal, Pradeep & Yeboah, Yaw D.
Object Type:
Report
System:
The UNT Digital Library
Characterization of Thermally Degraded Energetic Materials: Mechanical and Chemical Behavior
We report the results of recent experiments on thermally degraded HMX and HMX/binder materials. Small-scale samples were heated confined in either constant-volume or load- controlled configurations. A main emphasis of the work reported here is developing an understanding of the complex coupling of the mechanical and chemical responses during thermal degradation.
Date:
December 4, 1998
Creator:
Miller, J. C.; Renlund, A. M.; Schmitt, R. G. & Wellman, G. W.
Object Type:
Article
System:
The UNT Digital Library
The Clifton Record (Clifton, Tex.), Vol. 103, No. 97, Ed. 1 Friday, December 4, 1998
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Leader (The Colony, Tex.), Vol. 17, No. 34, Ed. 1 Friday, December 4, 1998
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Watterson, Tim
Object Type:
Newspaper
System:
The Portal to Texas History
Criticality Safety Envelope for Receipt, Handling, and Storage of Transuranic Waste
Current criticality safety limits for Solid Waste Management Facility (SWMF) Transuranic (TRU) Waste Storage Pads are based on analysis of systems where mass is the only independent parameter and all other parameters are assumed at their most reactive values (Ref. 1). These limits result in administrative controls (i.e., limit stacking of containers, coordination of drums for culvert storage based on individual drum fissile inventories, and mass limits for accumulation of polyethylene boxes in culverts) which can only be met by redundant SWMF administrative controls. These analyses did not credit the nature of the waste generator process that would provide bounding limits on the other parameters (i.e. less than optimal moderation and configurations within packages (containers)). They also did not indicate the margin of safety associated with operating to these mass limits. However, by crediting the waste generator processes (and maintaining such process assumptions via controls in the criteria for waste acceptance) sufficient margin of safety can be demonstrated to justify continued SWMF TRU pad operation with fewer administrative controls than specified in the Double Contingency analysis (DCA) (Ref. 1).
Date:
December 4, 1998
Creator:
Vincent, A.M.
Object Type:
Report
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 15, No. 32, Ed. 1 Friday, December 4, 1998
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
December 4, 1998
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
Develop improved metal hydride technology for the storage of hydrogen. Final technical report
The overall objective was to develop commercially viable metal hydrides capable of reversibly storing at least 3 wt.% hydrogen for use with PEM fuel cells and hydrogen fueled internal combustion engine (HICE) applications. Such alloys are expected to result in system capacities of greater than 2 wt.%, making metal hydride storage systems (MHSS`s) a practical means of supplying hydrogen for many consumer applications. ECD`s (Energy Conversion Devices, Inc.) past work on sputtered thin films of transition metal-based alloys led to the commercialization of it`s nickel/metal hydride batteries, and similar work on thin film Mg-based alloys demonstrated potential to achieve very high gravimetric and volumetric energy densities approaching 2,500 Wh/Kg and 2,500 Wh/M{sup 3} respectively. Under this 2-year cost shared project with the DOE, the authors have successfully demonstrated the feasibility of scaling up the Mg-based hydrides from thin film to bulk production without substantial loss of storage capacity. ECD made progress in alloy development by means of compositional and process modification. Processes used include Mechanical Alloying, Melt spinning and novel Gas Phase Condensation. It was showed that the same composition when prepared by melt-spinning resulted in a more homogeneous material having a higher PCT plateau pressure as compared to mechanical …
Date:
December 4, 1998
Creator:
Sapru, K.
Object Type:
Report
System:
The UNT Digital Library
Effects of Aging Quartz Sand and Hanford Site Sediment with Sodium Hydroxide on Radionuclide Sorption Coefficients and Sediment Physical and Hydrologic Properties: Final Report for Subtask 2a
Column and batch experiments were conducted in fiscal year 1998 at Pacific Northwest National Laboratory to evaluate the effect of varying concentrations of NaOH on the sorptive, physical, and hydraulic properties of two media, a quartz sand and a composite subsurface sediment from the 200-East Area of the Hanford Site. The NaOH solutions were used as a simplified effluent from a low-activity glass waste form. These experiments were conducted over a limited (O-to 10-month) contact time, with respect to the 10,000-to 100,000-year scenarios described in the Immobilized Low-Activity Waste- Performance Assessment (ILAW-PA). Wheq these two solids were put in contact with the NaOH solutions, dissolution was evident by a substantial increase in dissolved Si concentrations in the leachates. Incremental increases in NaOH con- centrations, resulted in corresponding increases in Si concentrations. A number of physical and hydraulic properties also changed as the NaOH concentrations were changed. It was observed that quartz sand was less reactive than the composite sediment. Further, moisture- retention measurements were made on the quartz sand and composite sedimen$ which showed that the NaOH-treated solids retained more water than the non-NaOH-treated solids. Because the other chemical, physical, and hydraulic measurements did not change dramatically after the high-NaOH …
Date:
December 4, 1998
Creator:
Kaplan, DI; Ritter, JC & Parker, KE
Object Type:
Report
System:
The UNT Digital Library
Ensemble: 1998-12-04 - UNT Jazz Singers
Jazz concert performed at the UNT College of Music Concert Hall.
Date:
December 4, 1998
Creator:
UNT Jazz Singers
Object Type:
Sound
System:
The UNT Digital Library
Environmental Protection Agency: An Analysis of Key FY1999 Budget Issues
On February 2, 1998, the President requested $7.8 billion for the Environmental Protection Agency (EPA) in FY1999. The Senate Appropriations Committee reported S. 2168 (S.Rept. 105-216) on June 12; the full Senate passed the bill on July 17. The House Committee reported H.R. 4194 (H.Rept. 105-610) on July 8, 1998; the full House passed it on July 29; and the Senate passed it on July 30 after incorporating S. 2168's provisions. During the week of October 6, the House and Senate approved the conference report, H.Rept. 105-769, which includes $7.5 billion, thus clearing the bill for the President's signature of October 21 (P.L. 105-276). The Omnibus Appropriations Act (P.L. 105-277) added $30 million more in FY1999 funds.
Date:
December 4, 1998
Creator:
Lee, Martin R.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, December 4, 1998
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[Funeral Program for Mrs. Emma L. Lee, Mrs. Hettie Mayo and D'Ondreij Matthews, December 4, 1998]
Funeral program for Mrs. Emma L. Lee, Mrs. Hettie Mayo and D'Ondreij Matthews, held December 4, 1998 at Evangelist Temple Church of God In Christ, officiated by Supt. C. W. Steward. Funeral arrangements were made through the Lewis Funeral Home and they were buried in Meadowlawn Memorial Park.
Date:
December 4, 1998
Creator:
unknown
Object Type:
Pamphlet
System:
The Portal to Texas History
Grazing Fees and Rangeland Management
The Bureau of Land Management (BLM, Department of the Interior) and the Forest Service (Department of Agriculture) manage approximately 70% of the 650 million acres of land owned by the federal government and many of these lands are classified as rangeland. Both agencies have well-established programs permitting private livestock grazing. The Administration issued new, controversial BLM rangeland management rules effective in August 1995. Supporters contended that the Administration's new rules were a step forward in sound resource management, but some believed they did not go far enough to protect rangelands and riparian areas. Many in the ranching community opposed the new rules, believing that they would ultimately reduce private livestock activity on federal lands, and increase operating costs. This report examines the debate over federal grazing management.
Date:
December 4, 1998
Creator:
Cody, Betsy A. & Baldwin, Pamela
Object Type:
Report
System:
The UNT Digital Library
Hilltop Views (Austin, Tex.), Vol. 14, No. 7, Ed. 1 Friday, December 4, 1998
Student newspaper from St. Edward's University in Austin, Texas that includes news and information of interest to the college community along with advertising.
Date:
December 4, 1998
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Hindered Diffusion of Asphaltenes at Evaluated Temperature and Pressure
During this time period, uptake experiments were performed at elevated temperatures up to 280 o C for the adsorptive diffusion of a coal asphaltene in 1- methylnaphthalene onto alumina catalyst pellets. Model simulation results showed that a mathematical model incorporating diffusion and adsorption mechanisms satisfactorily fitted the adsorptive diffusion of coal asphaltenes onto the alumina catalyst in a fairly wide temperature range of 55 o C to 280 o C. The logarithm of the adsorption constant, obtained by simulating the experimental data with the model solution, was found to be linearly dependent on temperature. As temperature increased, the value of the adsorption constant decreased. On the other hand, the effective diffusivity of the asphaltene increased with temperature. These off-setting temperature dependencies resulting from the adsorption constant and the effective diffusivity compensated at least to some extent in the uptake process.
Date:
December 4, 1998
Creator:
Guin, James A.; Vadlamani, Surya & Yang, Xiafeng
Object Type:
Report
System:
The UNT Digital Library
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 203, No. 49, Ed. 1 Friday, December 4, 1998
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
December 4, 1998
Creator:
Keys, Scott & Lamb, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
Inductively Coupled Plasma Etching of III-V Semiconductors in BCl(3)-Based Chemistries: Part 1: GaAs, GaN, GaP, GaSb and AlGaAs
BC13, with addition of Nz, Ar or Hz, is found to provide smooth anisotropic pattern transfer in GaAs, GaN, GaP, GaSb and AIGriAs under Inductively Coupled Plasma conditions, Maxima in the etch rates for these materials are observed at 33% N2 or 87$'40 Hz (by flow) addition to BC13, whereas Ar addition does not show this behavior. Maximum etch rates are typically much higher for GaAs, Gap, GaSb and AIGaAs (-1,2 @rein) than for GaN (-0.3 ymu'min) due to the higher bond energies of the iatter. The rates decrease at higher pressure, saturate with source power (ion flux) and tend to show maxima with chuck power (ion energy). The etched surfaces remain stoichiometric over abroad range of plasma conditions.
Date:
December 4, 1998
Creator:
Abernathy, C.R,; Han, J.; Hobson, W.S.; Hong, J.; Lambers, E.S.; Lee, J.W. et al.
Object Type:
Article
System:
The UNT Digital Library
Ion Chromatography Analysis of Dibutyl Phosphoric Acid
Analysis of dibutyl phosphate (DBP), a degradation product of tributyl phosphate (TBP), has long been a problem analysis by Ion Chromatography at the Savannah River Site. Due to the presence of UO{sub 2}{sup +2} and high NO{sub 3}{sup {minus}1} concentrations, inadequate recovery and separation of DBP on the chromatographic column had rendered the analysis undependable and very inconsistent, thus causing high uncertainties in the data. The method presented here by the Savannah River Technology Center (SRTC)/Analytical Development Section (ADS) addresses the sample preparation problems encountered when analyzing for DBP in the presence of uranium and nitrate. The data presented reflects the improvements made to decrease data uncertainty and increase data accuracy and precision.
Date:
December 4, 1998
Creator:
Ray, R.J.
Object Type:
Report
System:
The UNT Digital Library
Kinetic studies of the reaction of atomic hydrogen with trifluoroiodomethane
This article discusses kinetic studies of the reaction of atomic hydrogen with trifluoroiodomethane.
Date:
December 4, 1998
Creator:
Yuan, Jessie; Wells, Leah & Marshall, Paul
Object Type:
Article
System:
The UNT Digital Library
Linac Coherent Light Source (LCLS) Design Study Report
The Stanford Linear Accelerator Center, in collaboration with Los Alamos National Laboratory, Lawrence Livermore National Laboratory, and the University of California at Los Angeles, is proposing to build a Free-Electron-Laser (FEL) R and D facility operating in the wavelength range 1.5-15 {angstrom}. This FEL, called the ''Linac Coherent Light Source'' (LCLS), utilizes the SLAC linac and produces sub-picosecond pulses of short wavelength x-rays with very high peak brightness and full transverse coherence. Starting in FY 1998, the first two-thirds of the SLAC linac will be used for injection into the B factory. This leaves the last one-third free for acceleration to 15 GeV. The LCLS takes advantage of this opportunity, opening the way for the next generation of synchrotron light sources with largely proven technology and cost effective methods. This proposal is consistent with the recommendations of the Report of the Basic Energy Sciences Advisory Committee (Synchrotron Radiation Light Source Working Group, October 18-19, 1997). The report recognizes that ''fourth-generation x-ray sources...will in all likelihood be based on the free electron laser concepts. If successful, this technology could yield improvements in brightness by many orders of magnitude.'' This Design Study, the authors believe, confirms the feasibility of constructing an x-ray …
Date:
December 4, 1998
Creator:
Cornacchia, Massimo
Object Type:
Report
System:
The UNT Digital Library