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564 Matching Results
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Perry Daily Journal (Perry, Okla.), Vol. 106, No. 223, Ed. 1 Monday, November 15, 1999
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 15, 1999
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 106, No. 244, Ed. 1 Wednesday, December 15, 1999
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 15, 1999
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Initial Screening of Thermochemical Water-Splitting Cycles for High Efficiency Generation of Hydrogen Fuels Using Nuclear Power
OAK B188 Initial Screening of Thermochemical Water-Splitting Cycles for High Efficiency Generation of Hydrogen Fuels Using Nuclear Power There is currently no large scale, cost-effective, environmentally attractive hydrogen production process, nor is such a process available for commercialization. Hydrogen is a promising energy carrier, which potentially could replace the fossil fuels used in the transportation sector of our economy. Fossil fuels are polluting and carbon dioxide emissions from their combustion are thought to be responsible for global warming. The purpose of this work is to determine the potential for efficient, cost-effective, large-scale production of hydrogen utilizing high temperature heat from an advanced nuclear power station. Almost 800 literature references were located which pertain to thermochemical production of hydrogen from water and over 100 thermochemical watersplitting cycles were examined. Using defined criteria and quantifiable metrics, 25 cycles have been selected for more detailed study.
Date:
December 15, 1999
Creator:
Brown, L. C.; Funk, J. F. & Showalter, S. K.
Object Type:
Report
System:
The UNT Digital Library
[Completion of the dog toxicity project at the University of Utah: statistical comparison]
Radium (Ra) toxicity in dogs is a cornerstone for the evaluation of plutonium (Pu) toxicity, as it provides a possible link to Pu toxicity in humans. Survival regression models with covariates were used to estimate the risk to survival and the frequency and latency of bone tumor development. It appears for Ra that dose-rate is a more significant contributor to non-survival and bone tumors than is skeletal dose.
Date:
December 15, 1999
Creator:
Bruenger, F. W. & Lloyd, R. D.
Object Type:
Report
System:
The UNT Digital Library
A Historical Review of WIPP Backfill Development
Backfills have been part of Sandia National Laboratories' [Sandia's] Waste Isolation Pilot Plant [WIPP] designs for over twenty years. Historically, backfill research at Sandia has depended heavily on the changing mission of the WIPP facility. Early testing considered heat producing, high level, wastes. Bentonite/sand/salt mixtures were evaluated and studies focused on developing materials that would retard brine ingress, sorb radionuclides, and withstand elevated temperatures. The present-day backfill consists of pure MgO [magnesium oxide] in a pelletized form and is directed at treating the relatively low contamination level, non-heat producing, wastes actually being disposed of in the WIPP. It's introduction was motivated by the need to scavenging CO{sub 2} [carbon dioxide] from decaying organic components in the waste. However, other benefits, such as a substantial desiccating capacity, are also being evaluated. The MgO backfill also fulfills a statutory requirement for assurance measures beyond those needed to demonstrate compliance with the US Environmental Protection Agency [EPA] regulatory release limits. However, even without a backfill, the WIPP repository design still operates within EPA regulatory release limits.
Date:
July 15, 1999
Creator:
Brush, L.H.; Krumhansl, J.L.; Molecke, M.A. & Papenguth, H.W.
Object Type:
Article
System:
The UNT Digital Library
Integrated computer control system CORBA-based simulator FY98 LDRD project final summary report
The CORBA-based Simulator was a Laboratory Directed Research and Development (LDRD) project that applied simulation techniques to explore critical questions about distributed control architecture. The simulator project used a three-prong approach comprised of a study of object-oriented distribution tools, computer network modeling, and simulation of key control system scenarios. This summary report highlights the findings of the team and provides the architectural context of the study. For the last several years LLNL has been developing the Integrated Computer Control System (ICCS), which is an abstract object-oriented software framework for constructing distributed systems. The framework is capable of implementing large event-driven control systems for mission-critical facilities such as the National Ignition Facility (NIF). Tools developed in this project were applied to the NIF example architecture in order to gain experience with a complex system and derive immediate benefits from this LDRD. The ICCS integrates data acquisition and control hardware with a supervisory system, and reduces the amount of new coding and testing necessary by providing prebuilt components that can be reused and extended to accommodate specific additional requirements. The framework integrates control point hardware with a supervisory system by providing the services needed for distributed control such as database persistence, system …
Date:
January 15, 1999
Creator:
Bryant, R M; Holloway, F W & Van Arsdall, P J
Object Type:
Report
System:
The UNT Digital Library
Shock-Turbulence Interaction: Annotated Reference
This is the first of several, informal technical memos in which I will attempt both a ''memory dump'' and an update on past and present research on shock wave-turbulence interaction. Despite decades of attention, questions remain about wily, how, and to what degree shock interaction with V-existing turbulence amplifies the turbulence, extends its active range and, consequently, has the potential to significantly increase the average level of turbulent component mixing. (As used here, pre-existing turbulence is defined as an initial state of fluid. dynamic turbulence which has been produced independently and prior to encountering the shock wave). However, much as in the underlying, unresolved problem of fluid dynamic turbulence, a general solution is not sought (even if such an unlikely goal could be considered attainable in a professional lifetime). Instead, our more limited (but achievable) goal is to elevate our understanding of the phenomena by combining scaleable experiments, appropriately sensitive diagnostic techniques, approximating model developments, and analysis. We also hope to attain a reasonable level of confidence in our ability to estimate the influence of the phenomena when subjected to a range of thermo-physical states and flow conditions of programmatic interest. Additionally, this review should help establish a carefully evaluated …
Date:
September 15, 1999
Creator:
Buckingham, A.C.
Object Type:
Report
System:
The UNT Digital Library
Electronic transport in extended systems: Application to carbon nanotubes
Article on electronic transport in extended systems and the application to carbon nanotubes.
Date:
September 15, 1999
Creator:
Buongiorno Nardelli, Marco
Object Type:
Article
System:
The UNT Digital Library
Mechanical deformations and coherent transport in carbon nanotubes
Article on mechanical deformations and coherent transport in carbon nanotubes.
Date:
December 15, 1999
Creator:
Buongiorno Nardelli, Marco & Bernholc, Jerry
Object Type:
Article
System:
The UNT Digital Library
Nitrate and Perchlorate removal from groundwater by ion exchange
This study was conducted to evaluate the performance of a small scale ion exchange unit (Krudico, Inc of Auborn, IA) for removal of nitrate and perchlorate from groundwater at Lawrence Livermore National Laboratory's Site 300. The unit was able to treat 3,600 gallons of Site 300 groundwater, at an average influent concentration of 100 mg/L NO{sub 3}{sup -} before breakthrough occurred. The unit contained 2.5 ft{sup 3} of Sybron SR-7 resin. Seventy gallons of regeneration waste were generated (water treated to waste ratio of 51:1). The effluent concentration was about 20 mg/L NO{sub 3}{sup -}, which is equivalent to a treatment efficiency of at least 80%. There are several options for implementing this technology at Site 300. A target well, in the 817 area, has been selected. It has a 3 to 4 gpm flow rate, and concentrations of 90 mg/L NO{sub 3}{sup -} and 40 {micro}g/L perchlorate. The different treatment options include ion exchange treatment of nitrate only, nitrate and perchlorate, or perchlorate only. Option 1: For the treatment of nitrate only, this unit will be able to treat 3,700 gallons of water before regeneration is required. If both columns of the ion exchange unit are used, 7,400 gallons …
Date:
September 15, 1999
Creator:
Burge, S & Halden, R
Object Type:
Report
System:
The UNT Digital Library
Numerical modeling of shielding by a wire mesh box
None
Date:
November 15, 1999
Creator:
Burke, G. J. & Steich, D. J.
Object Type:
Article
System:
The UNT Digital Library
Cash and Noncash Benefits for Persons With Limited Income: Eligibility Rules, Recipient and Expenditure Data, FY1996-FY1998
This report provides basic eligibility rules, recipient numbers, and FY1996-FY1998 expenditure data for 80 programs that have provided cash or non-cash benefits to low-income persons.
Date:
December 15, 1999
Creator:
Burke, Vee
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, January 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, October 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Monday, February 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Monday, March 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Monday, November 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Sunday, August 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, April 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, July 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, June 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Wednesday, December 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Wednesday, September 15, 1999
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 15, 1999
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 100, No. 125, Ed. 1 Sunday, August 15, 1999
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 15, 1999
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History