Computer Analysis of Geochemical Data of Stream Sediment and Waters of the Montrose 1° X 2° Quadrangle, Colorado (open access)

Computer Analysis of Geochemical Data of Stream Sediment and Waters of the Montrose 1° X 2° Quadrangle, Colorado

The following preliminary report is a computer analysis of HSSR data from the Montrose 1x2 Quadrangle, Colorado.
Date: November 25, 1991
Creator: Proctor, Paul Dean
Object Type: Report
System: The UNT Digital Library
Spray nozzle pattern test for the DWPF HEME Task QA Plan. [Defense Waste Processing Facility (DWPF), High Efficiency Mist Eliminator (HEME)] (open access)

Spray nozzle pattern test for the DWPF HEME Task QA Plan. [Defense Waste Processing Facility (DWPF), High Efficiency Mist Eliminator (HEME)]

The DWPF melter off-gas systems have two High Efficiency Mist Eliminators (HEME) upstream of the High-Efficiency Particulates Air filters (HEPA) to remove fine mists and particulates from the off-gas. To have an acceptable filter life and an efficient operation, an air atomized water is spray on the HEME. The water spray keeps the HEME wet and dissolves the soluble particulates and enhances and HEME efficiency. DWPF Technical asked SRL to determine the conditions which will give satisfactory atomization and distribution of water so that the HEME will operate efficiently. The purpose of this document is to identify, QA controls to be applied in the pursuit of this task (WSRC-RP-91-1151).
Date: November 25, 1991
Creator: Lee, L.
Object Type: Report
System: The UNT Digital Library
Development of improved iron Fischer-Tropsch catalysts. Quarterly technical progress report, 1 October 1990--31 December 1990 (open access)

Development of improved iron Fischer-Tropsch catalysts. Quarterly technical progress report, 1 October 1990--31 December 1990

The objective of proposed research is development of catalysts with enhanced slurry phase activity and better selectivity to fuel range products, through a more detailed understanding and systematic studies of the effects of pretreatment procedures and promoters/binders (silica) on catalyst performance.
Date: January 25, 1991
Creator: Bukur, D. B.
Object Type: Report
System: The UNT Digital Library
Configuration Management Program Plan. Revision 1 (open access)

Configuration Management Program Plan. Revision 1

Westinghouse Savannah River Company (WSRC) has established a configuration management (CM) plan to execute the SRS CM Policy and the requirements of the DOE Order 4700.1. The Reactor Restart Division (RRD) has developed its CM Plan under the SRS CM Program and is implementing it via the RRD CM Program Plan and the Integrated Action Plan. The purpose of the RRD CM program is to improve those processes which are essential to the safe and efficient operation of SRS production reactors. This document provides details of this plan.
Date: September 25, 1991
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Spray nozzle pattern test for the DWPF HEME Task QA Plan (open access)

Spray nozzle pattern test for the DWPF HEME Task QA Plan

The DWPF melter off-gas systems have two High Efficiency Mist Eliminators (HEME) upstream of the High-Efficiency Particulates Air filters (HEPA) to remove fine mists and particulates from the off-gas. To have an acceptable filter life and an efficient operation, an air atomized water is spray on the HEME. The water spray keeps the HEME wet and dissolves the soluble particulates and enhances and HEME efficiency. DWPF Technical asked SRL to determine the conditions which will give satisfactory atomization and distribution of water so that the HEME will operate efficiently. The purpose of this document is to identify, QA controls to be applied in the pursuit of this task (WSRC-RP-91-1151).
Date: November 25, 1991
Creator: Lee, L.
Object Type: Report
System: The UNT Digital Library
Radiological impact of Par Pond drawdown from liquid effluent pathways (open access)

Radiological impact of Par Pond drawdown from liquid effluent pathways

The water level of Par Pond has been lowered over the past several months to reduce the effects in the event of catastrophic dam failure while assessing the condition of the dam and determining if repairs are necessary. In lowering the level of Par Pond, 60 billion liters of water containing low levels of tritium and cesium-137 were discharged to several onsite streams. SRS surface streams flow to the Savannah River. An assessment made to determine the total amount of tritium and Cs-137 discharged and to estimate the consequences to downstream Savannah River users. It is estimated that a total of 160 curies of tritium were displaced from Par Pond to the Savannah River between June 28, 1991 and September 19, 1991. This release could hypothetically result in a maximum individual dose of 3. 2{times}10{sup {minus}4} mrem and a total (80-km and drinking water populations) population dose of 1.4{times}10{sup {minus}2} person-rem. Likewise, a maximum individual dose of 5.0{times}10{sup {minus}2} mrem and a total population dose of 1.7{times}10{sup {minus}1} person- rem are predicted as a result of an estimated 0.21 curies of Cs-137 being discharged from Par Pond to the Savannah River.
Date: October 25, 1991
Creator: Carlton, W. H. & Hamby, D. M.
Object Type: Report
System: The UNT Digital Library
Synthesis of 6-Methyl-9-n-propyldibenzothiophene-4-ol. Quarterly technical progress report No. 4, April 25--July 25, 1991 (open access)

Synthesis of 6-Methyl-9-n-propyldibenzothiophene-4-ol. Quarterly technical progress report No. 4, April 25--July 25, 1991

The material covered in this report is divided into two parts: further cyclization experiments on 1,4-diethyl-2-[(2`- methoxyphenyl)thio]benzene and its sulfone both by chemical and photochemical means, and progress toward synthesis of modified target molecule, 9-isopropyl-4-methoxy-6-methyldibenzo-thiophene. 8 refs, figs.
Date: July 25, 1991
Creator: Eisenbraun, E. J.
Object Type: Report
System: The UNT Digital Library
Advanced nuclear reactor public opinion project. Interim report (open access)

Advanced nuclear reactor public opinion project. Interim report

This Interim Report summarizes the findings of our first twenty in-depth interviews in the Advanced Nuclear Reactor Public Opinion Project. We interviewed 6 industry trade association officials, 3 industry attorneys, 6 environmentalists/nuclear critics, 3 state officials, and 3 independent analysts. In addition, we have had numerous shorter discussions with various individuals concerned about nuclear power. The report is organized into the four categories proposed at our April, 1991, Advisory Group meeting: safety, cost-benefit analysis, science education, and communications. Within each category, some change of focus from that of the Advisory Group has been required, to reflect the findings of our interviews. This report limits itself to describing our findings. An accompanying memo draws some tentative conclusions.
Date: July 25, 1991
Creator: Benson, B.
Object Type: Report
System: The UNT Digital Library
Genetic probes of structure/function relationships in the Q{sub B} binding site of the photosynthetic reaction center (open access)

Genetic probes of structure/function relationships in the Q{sub B} binding site of the photosynthetic reaction center

In photosynthetic reaction centers, a quinone molecule, Q{sub B}, is the terminal acceptor in light-induced electron transfer. The crystal structure of the reaction center implicates the protonatable amiho acid residues L212Glu and L213Asp in the binding of Q{sub B} to the reaction center and in proton transfer to the anionic forms of Q{sub B} generated by electron transfer from Q{sub A}. Here we report the construction of the double mutant L212Ala-L213Ala by site-specific mutagenesis, and the isolation and preliminary biophysical characterization of revertant and suppressor strains that have regained the ability to grow under photosynthetic conditions. Our results show that neither L212Glu nor L213Asp is essential for efficient light-induced electron or proton transfer in Rhodobacter capsulatus and that second-site mutations, located within the QB binding pocket or at a more distant site, can compensate for mutations at L212 and L213. Acquisition of a single negatively charged residue (at position L213, or on the other side of the binding pocket at position L225) or loss of a positively charged residue (at position M231) is sufficient to restore activity to the complex.
Date: June 25, 1991
Creator: Hanson, D. K.; Tiede, D. M.; Nance, S. L.; Chang, Chong-Hwan & Schiffer, M.
Object Type: Report
System: The UNT Digital Library
Measurement and Modeling of Advanced Coal Conversion Processes. 19th Quarterly Report, April 1, 1991--June 30, 1991 (open access)

Measurement and Modeling of Advanced Coal Conversion Processes. 19th Quarterly Report, April 1, 1991--June 30, 1991

The objectives of this study are to establish the mechanisms and rates of basic steps in coal conversion processes, to integrate and incorporate this information into comprehensive computer models for coal conversion processes, to evaluate these models and to apply them to gasification, mild gasification and combustion in heat engines. (VC)
Date: September 25, 1991
Creator: Solomon, P. R.; Serio, M. A.; Hamblen, D. G.; Smoot, L. D. & Brewster, B. S.
Object Type: Report
System: The UNT Digital Library
Effluent Treatment Facility tritium emissions monitoring (open access)

Effluent Treatment Facility tritium emissions monitoring

An Environmental Protection Agency (EPA) approved sampling and analysis protocol was developed and executed to verify atmospheric emissions compliance for the new Savannah River Site (SRS) F/H area Effluent Treatment Facility. Sampling equipment was fabricated, installed, and tested at stack monitoring points for filtrable particulate radionuclides, radioactive iodine, and tritium. The only detectable anthropogenic radionuclides released from Effluent Treatment Facility stacks during monitoring were iodine-129 and tritium oxide. This paper only examines the collection and analysis of tritium oxide.
Date: July 25, 1991
Creator: Dunn, D. L.
Object Type: Article
System: The UNT Digital Library
An explanation of the irreversibility behavior in the highly- anisotropic high-temperature superconductors (open access)

An explanation of the irreversibility behavior in the highly- anisotropic high-temperature superconductors

The wide temperature range of the reversible, lossy state of the new high-temperature superconductors in a magnetic field was recognized soon after their discovery. This behavior, which had gone virtually undetected in conventional superconductors, has generated considerable interest, both for a fundamental understanding of the HTS and because it degrades the performance of HTS for finite-field applications. We show that recently proposed explanation of this behavior for the highly-anisotropic high-temperature superconductors, as a dimensional crossover of the magnetic vortices, is strongly supported by recent experiments on a Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub x} single crystal using the high-Q mechanical oscillator techniques.
Date: June 25, 1991
Creator: Gray, K. E. & Kim, D. H.
Object Type: Report
System: The UNT Digital Library
[Basic properties of coals and other solids]. Eighth quarterly report, [September--November 1991] (open access)

[Basic properties of coals and other solids]. Eighth quarterly report, [September--November 1991]

This report discusses basic properties of bituminous, subbituminous, and lignite coals. Properties of coal liquids are also investigated. Heats of immersion in strong acids are found for Pittsburgh {number_sign}8, Illinois {number_sign}6, and Wyodak coals. Production of coal liquids by distillation is discussed. Heats of titration of coal liquids and coal slurries are reported. (VC)
Date: November 25, 1991
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Optical techniques for measurement of high temperatures (open access)

Optical techniques for measurement of high temperatures

The availability of instrumentation to measure the high outlet gas temperature of a particle bed reactor is a topic of some concern. There are a number of possible techniques with advantages and disadvantages. In order to provide some baseline choice of instrumentation, a review has been conducted of these various technologies. This report summarizes the results of this review for a group of technologies loosely defined as optical techniques (excluding optical pyrometry). The review has concentrated on a number of questions for each technology investigated. These are: (1) Description of the technology, (2) Anticipated sensitivity and accuracy, (3) Requirements for implementation, (4) Necessary development time and costs, (5) Advantages and disadvantages of the technology. Each of these areas was considered for a technology and a large number of technologies were considered in a review of the literature. Based upon this review it was found that a large number of methods exist to measure temperatures in excess of 2000 K. None of the methods found were ideal. Four methods, however, appeared to warrant further consideration: opto-mechanical expansion thermometry, surface Raman spectroscopy, gas-phase Raman spectroscopy and coherent anti-Stokes Raman spectroscopy (CARS). These techniques will be discussed further in this document.
Date: October 25, 1991
Creator: Veligdan, J. T.
Object Type: Report
System: The UNT Digital Library
Fundamental Studies of Water Pretreatment of Coal. Seventh Quarterly Report, April 1, 1991--June 30, 1991 (open access)

Fundamental Studies of Water Pretreatment of Coal. Seventh Quarterly Report, April 1, 1991--June 30, 1991

During the seventh quarter, water pretreatment experiments were done at lower pressures (1000 psig), with early H{sub 2}O injection or continuous H{sub 2}O injection, and with demineralized coals. In addition, a set of blank experiments was done with all four coals in helium at the following conditions: 350{degrees}C; 4000 psig; 20 minutes. An additional experiment was done with the Zap lignite at atmospheric pressure. Helium was used instead of nitrogen since it can be obtained in highly pure grades. The purpose of the blank experiments is to determine how much of the water pretreatment process is a thermal and/or pressure effort. The residues from the standard water pretreatment experiments with Illinois and Pittsburgh coals were subjected to analysis by TG-FTIR, solvent extraction, solvent swelling, oxygen reactivity index and donor solvent liquefaction. The pyridine extractables were analyzed. With regard to liquefaction behavior, improvements in the yields of oils and toluene solubles are observed for selected Illinois and Pittsburgh coals at longer pretreatment times ({ge} 60 minutes).
Date: October 25, 1991
Creator: Serio, M. A.; Solomon, P. R.; Kroo, E.; Charpenay, S. & Bassilakis, R.
Object Type: Report
System: The UNT Digital Library
A comparison of the WIND System atmospheric models and MATS data (open access)

A comparison of the WIND System atmospheric models and MATS data

The results produced by two of the WIND System atmospheric models, PUFF/PLUME and 2DPUF, were compared with a select group of eight MATS experiments to determine the performance of the models. Three of the MATS experiments employed TRAC vehicle sampling and the remaining five used a line of fixed samplers. The performance of the models was based on certain dispersion characteristics that are important in emergency response situations. Both PUFF/PLUME and 2DPUF were executed with the same source term and meteorological data. When the numerical results from the models were compared to the observed values from the MATS experiments, it was found that 2DPUF produced concentrations and plume widths that were closer to the observed values than PUFF/PLUME. Both models did not produce any bias in the values of the concentration when individual data points were examined; however, PUFF/PLUME consistently overpredicted the peak and total concentrations. 2DPUF did not exibit any bias in the peak and total concentrations. When wind direction errors were removed, 80--84% of the concentrations from PUFF/PLUME and 88% of the concentrations from 2DPUF where within a factor of 10 of the observed values. In some instances, both models were able to predict concentration values that were …
Date: November 25, 1991
Creator: Fast, J. D.; Berman, S. & Addis, R. P.
Object Type: Report
System: The UNT Digital Library
Evaluation of the WIND System atmospheric models: An analytic approach (open access)

Evaluation of the WIND System atmospheric models: An analytic approach

An analytic approach was used in this study to test the logic, coding, and the theoretical limits of the WIND System atmospheric models for the Savannah River Plant. In this method, dose or concentration estimates predicted by the models were compared to the analytic solutions to evaluate their performance. The results from AREA EVACUATION and PLTFF/PLUME were very nearly identical to the analytic solutions they are based on and the evaluation procedure demonstrated that these models were able to reproduce the theoretical characteristics of a puff or a plume. The dose or concentration predicted by PLTFF/PLUME was always within 1% of the analytic solution. Differences between the dose predicted by 2DPUF and its analytic solution were substantially greater than those associated with PUFF/PLUME, but were usually smaller than 6%. This behavior was expected because PUFF/PLUME solves a form of the analytic solution for a single puff, and 2DPUF performs an integration over a period of time for several puffs to obtain the dose. Relatively large differences between the dose predicted by 2DPUF and its analytic solution were found to occur close to the source under stable atmospheric conditions. WIND System users should be aware of these situations in which the …
Date: November 25, 1991
Creator: Fast, J. D.
Object Type: Report
System: The UNT Digital Library
Testing proton spin models with polarized beams (open access)

Testing proton spin models with polarized beams

We review models for spin-weighted parton distributions in a proton. Sum rules involving the nonsinglet components of the structure function xg{sub 1}{sup p} help narrow the range of parameters in these models. The contribution of the {gamma}{sub 5} anomaly term depends on the size of the integrated polarized gluon distribution and experimental predictions depend on its size. We have proposed three models for the polarized gluon distributions, whose range is considerable. These model distributions give an overall range is considerable. These model distributions give an overall range of parameters that can be tested with polarized beam experiments. These are discussed with regard to specific predictions for polarized beam experiments at energies typical of UNK.
Date: November 25, 1991
Creator: Ramsey, G. P.
Object Type: Report
System: The UNT Digital Library
An assessment of the quality of selected EIA data series: Coal data, 1983--1988 (open access)

An assessment of the quality of selected EIA data series: Coal data, 1983--1988

The purpose of this report is to present information on the quality of some of the Energy Information Administration`s (EIA) coal data. This report contains discussions of data on production, direct labor hours, recoverable reserves, and prices from 1983 through 1988. Chapter 2 of this report presents a summary of the EIA coal data collection and identifies other sources providing similar data. Chapters 3 and 4 focus on data on coal production and direct labor hours, respectively. Detailed comparisons with data from the Mine Safety and Health Administration (MSHA) and State mining agencies are presented. Chapter 5 examines recoverable reserves. Included are internal comparisons as well as comparisons with other published reserve-related data, namely those of BXG, Inc. Chapter 6 describes how EIA obtains estimates of coal prices and discusses the variability in the prices caused by factors such as mine type, coal rank, and region. 5 figs., 5 tabs.
Date: November 25, 1991
Creator: unknown
Object Type: Report
System: The UNT Digital Library
What controls phytoplankton production in nutrient-rich areas of the open sea? (open access)

What controls phytoplankton production in nutrient-rich areas of the open sea?

The oceans play a critical role in regulating the global carbon cycle. Deep-ocean waters are roughly 200% supersaturated with CO{sub 2} compared to surface waters, which are in contact with the atmosphere. This difference is due to the flux of photosynthetically derived organic material from surface to deep waters and its subsequent remineralization, i.e. the ``biological pump``. The pump is a complex phytoplankton-based ecosystem. the paradoxical nature of ocean regions containing high nutrients and low phytoplankton populations has intrigued biological oceanographers for many years. Hypotheses to explain the paradox include the regulation of productivity by light, temperature, zooplankton grazing, and trace metal limitation and/or toxicity. To date, none of the hypotheses, or combinations thereof, has emerged as a widely accepted explanation for why the nitrogen and phosphorus are not depleted in these regions of the oceans. Recently, new evidence has emerged which supports the hypothesis that iron limitation regulates primary production in these areas. This has stimulated discussions of the feasibility of fertilizing parts the Southern Ocean with iron, and thus sequestering additional atmospheric CO{sub 2} in the deep oceans, where it would remain over the next few centuries. The economic, social, and ethical concerns surrounding such a proposition, along …
Date: June 25, 1991
Creator: Weiler, C. S.
Object Type: Article
System: The UNT Digital Library
Pulsed Laser Kinetic Studies of Liquids Under High Pressure. Progress Report, November 29, 1990--November 25, 1991 (open access)

Pulsed Laser Kinetic Studies of Liquids Under High Pressure. Progress Report, November 29, 1990--November 25, 1991

A high pressure apparatus constructed for measuring the rates of reactions in liquids under pressures ranging from 1 atm to 2000 atm has been used to measure the complexation kinetics of molybdenum hexacarbonyl reacting with 2,2-bipyridine, 4,4{prime}-dimethyl-2-2{prime}-bipyridine and 4,4{prime}-diphenyl-2-2{prime} bipyridine in toluene. Pentacarbonyl reaction intermediates are created by a 10 nsec flash of frequency tripled Nd:YAG laser light. Measured activation volumes for chelate ligand ring closure indicate a change in mechanism from associative interchange to dissociative interchange as steric hindrance increases. A similar high pressure kinetics study of molybdenum carbonyl complexation by several substituted phenanthrolines is now well advanced that indicates that with the more rigid phenanthroline ligands steric effects from bulky substituents have less effect on the ring closure mechanism than in the case of the bipyridine ligands. An experimental concentration dependence of the fluorescence quantum yield of cresyl violet has been harmonized with previously published contradictory reports. Fluorescence of cresyl violet in various solvents and in micellar systems has also been systematically explored.
Date: November 25, 1991
Creator: Eyring, Edward M.
Object Type: Report
System: The UNT Digital Library
Low energy ion-molecule reactions and chemiionization kinetics. Progress report, February 1, 1991--January 31, 1992 (open access)

Low energy ion-molecule reactions and chemiionization kinetics. Progress report, February 1, 1991--January 31, 1992

Our research program is devoted to understanding the dynamics of elementary ionic collisions at the level of the underlying potential surface by measuring energy and angular distributions of reactively scattered products with crossed beam methods over the relative center-of-mass energy range from 0.3 to several eV. We have performed reactive and non-reactive scattering studies on the proton and hydrogen atom transfer systems listed below: O + NH{sub 3} {yields} OH + NH{sub 2} {delta}H = {minus}0.2 eV O + H{sub 2}O {yields} OH + OH {delta}H = +0.4 eV. In both of these systems, the reactions are hypothesized to occur on potential energy surfaces having two minima. The first minimum corresponds to the formation of an electrostatically bound complex, e.g., O(H{sub 2}O), followed by an intramolecular hydrogen atom/proton transfer to yield OH{center_dot}OH, which may then form the products by cleavage of the complex.
Date: September 25, 1991
Creator: Farrar, J. M.
Object Type: Report
System: The UNT Digital Library
Texas Parks & Wildlife News, October 25, 1991 (open access)

Texas Parks & Wildlife News, October 25, 1991

Weekly newsletter discussing natural resources, parks, hunting and fishing, and other information related to the outdoors in Texas.
Date: October 25, 1991
Creator: Texas. Parks and Wildlife Department.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Evaluation of the WIND System atmospheric models: An analytic approach (open access)

Evaluation of the WIND System atmospheric models: An analytic approach

An analytic approach was used in this study to test the logic, coding, and the theoretical limits of the WIND System atmospheric models for the Savannah River Plant. In this method, dose or concentration estimates predicted by the models were compared to the analytic solutions to evaluate their performance. The results from AREA EVACUATION and PLTFF/PLUME were very nearly identical to the analytic solutions they are based on and the evaluation procedure demonstrated that these models were able to reproduce the theoretical characteristics of a puff or a plume. The dose or concentration predicted by PLTFF/PLUME was always within 1% of the analytic solution. Differences between the dose predicted by 2DPUF and its analytic solution were substantially greater than those associated with PUFF/PLUME, but were usually smaller than 6%. This behavior was expected because PUFF/PLUME solves a form of the analytic solution for a single puff, and 2DPUF performs an integration over a period of time for several puffs to obtain the dose. Relatively large differences between the dose predicted by 2DPUF and its analytic solution were found to occur close to the source under stable atmospheric conditions. WIND System users should be aware of these situations in which the …
Date: November 25, 1991
Creator: Fast, J.D.
Object Type: Report
System: The UNT Digital Library