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3 Dimensional radiation transport in dispersive media
In plasmas the collective motion of free electrons affects the propagation of radiation by bending the light ray trajectory. The closer the light wave frequency is to the electron plasma frequency in value, the more pronounced the effect. We will present the results of radiation transport calculations in 3 spatial dimensions in the refractive plasma environment and compare the calculation to one done where the ray bending has been neglected (straight line ray paths). We also present the numerical method used for the refractive transport. 4 refs., 5 figs.
Date:
November 1, 1990
Creator:
Mayle, R.W.
Object Type:
Article
System:
The UNT Digital Library
[1990 endorsed candidates performance printout]
Printout of election results from the Lesbian/Gay Political Coalition of Dallas displaying results of endorsed candidates.
Date:
November 1990
Creator:
Lesbian/Gay Political Coalition of Dallas
Object Type:
Text
System:
The UNT Digital Library
[1990 financial summaries]
Financial summary of the Lesbian/Gay Political Coalition of Dallas for November and December 1990 and a financial summary for all of 1990.
Date:
November 1990
Creator:
Lesbian/Gay Political Coalition of Dallas
Object Type:
Text
System:
The UNT Digital Library
1990 National Compensation Survey of Research and Development Scientists and Engineers
This report presents the results of the fourth in a new series of surveys of compensation and benefits for research and development (R D) scientists and engineers (S Es). The 1990 Survey represents the largest nationwide database of its kind, covering 104 establishments which provided data on almost 41,000 degreed researchers in the hard'' sciences. The fundamental nature of the survey has not changed: the focus is still on medium- and large-sized establishments which employ at least 100 degreed S Es in R D. The 1990 Survey contains data which cover about 18% of all establishments eligible to participate, encompassing approximately 18% of all eligible employees. As in the last three years, the survey sample constitutes a fairly good representation of the entire population of eligible establishments on the basis of business sector, geographic location, and size. Maturity-based analyses of salaries for some 34,000 nonsupervisory researchers are provided, as are job content-based analyses of more than 27,000 individual contributors and almost 5000 first level supervisors and division directors. Compensation policies and practices data are provided for 102 establishments, and benefits plans for 62 establishments are analyzed.
Date:
November 1, 1990
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Abiotic immobilization/detoxification of recalcitrant organics
In contrast to many remedial techniques that simply transfer hazardous wastes from one part of the environment to another (e.g., off-site landfilling), in situ restoration may offer a safe and cost-effective solution through transformation (to less hazardous products) or destruction of recalcitrant organics. Currently, the US Environmental Protection Agency and US Department of Energy are encouraging research that addresses the development of innovative alternatives for hazardous-waste control. One such alternative is biotic and abiotic immobilization and detoxification of polynuclear aromatic hydrocarbons (PNAs) as associated with the soil humification process. This paper discusses (1) the possibility of using abiotic catalysis (with manganese dioxide) to polymerize organic substances; (2) aspects associated with the thermodynamics and kinetics of the process, and (3) a simple model upon which analyses may be based. 36 refs., 7 figs., 3 tabs.
Date:
November 1, 1990
Creator:
Whelan, G. & Sims, R. C.
Object Type:
Article
System:
The UNT Digital Library
Accelerated Leach Test Development Program Annual Report: 1990
In FY 1989, a draft accelerated leach test for solidified waste was written. Combined test conditions that accelerate leaching were validated through experimental and modeling efforts. A computer program was developed that calculates test results and models leaching mechanisms. This program allows the user to determine if diffusion controls leaching and, if this is the case, to make projections of releases. Leaching mechanisms other than diffusion (diffusion plus source term partitioning and solubility limited leaching) are included in the program is indicators of other processes that may control leaching. Leach test data are presented and modeling results are discussed for laboratory scale waste forms composed of portland cement containing sodium sulfate salt, portland cement containing incinerator ash, and vinyl ester-styrene containing sodium sulfate. 16 refs., 38 figs., 5 tabs.
Date:
November 1990
Creator:
Fuhrmann, M.; Pietrzak, R. F.; Heiser, J.; Franz, E. M. & Colombo, P.
Object Type:
Report
System:
The UNT Digital Library
Activities of the National Academy of Sciences in relation to the Radiation Effects Research Foundation
None
Date:
November 1, 1990
Creator:
Edington, C.W.
Object Type:
Report
System:
The UNT Digital Library
Activities of the National Academy of Sciences in relation to the Radiation Effects Research Foundation. Progress report, April 1990--December 1990
None
Date:
November 1, 1990
Creator:
Edington, C. W.
Object Type:
Report
System:
The UNT Digital Library
Advanced development of particle beam probe diagnostic systems
This progress report covers the period starting with the approval to go ahead with the 2 MeV heavy ion beam probe (HIBP) for TEXT Upgrade to the submission of the grant renewal proposal. During this period the co-principal investigators, R. L. Hickok and T. P. Crowley have each devoted 45% of their time to this Grant. Their effort has been almost exclusively devoted to the design and fabrication of the 2 MeV HIBP system. The 1989 report that described the advantages of a 2 MeV HIBP for TEXT Upgrade compared to the existing 0.5 MeV HIBP and outlined the design of the 2 MeV system is attached as Appendix A. Since the major effort under the renewal proposal will be the continued fabrication, installation and operation of the 2 MeV system on TEXT Upgrade, we describe some of the unique results that have been obtained with the 0.5 MeV system on TEXT. For completeness, we also include the preliminary operation of the 160 keV HIBP on ATF. We present the present fabrication status of the 2 MeV system with the exception of the electrostatic energy analyzer. The energy analyzer which is designed to operate with 400 kV on the top …
Date:
November 1, 1990
Creator:
Hickok, R. L.; Crowley, T. P. & Connor, K. A.
Object Type:
Report
System:
The UNT Digital Library
Advanced liquid-metal-reactor development at ANL during the 1980s
The fundamental long-term rationale for the liquid-metal reactor (LMR) remains unchanged - to provide for resource extension by consuming the more abundant isotope of uranium. The design goals for the next generation of breeder reactors include a concerted effort to provide engineering solutions that can positively impact on the technical issues and on the public perception issues that harry the current generation of commercial power reactors. The work at Argonne National Laboratory since late 1983 has approached these design goals for the next-generation-reactor enterprise as a whole and has based the approach on a closed, fissile-self-sufficient, transuranic-self-consuming fuel cycle that employs a uranium/plutonium metallic alloy fuel form. Pyrometallurgically based reprocessing and remote injection casting fuel refabrication form the basis on which the closed fuel cycle is expected to provide low fuel cycle costs even on an incremental dedicated fuel cycle facility basis. Passive safety features that decouple reactor shutdown and decay heat removal from reliance on balance-of-plant equipment form the basis for reduced capital costs. Preapproved licensing form the basis for shorter and more predictable construction cycles. Incomplete fission product separation and incomplete uranium/plutonium separation of the product streams provide for a deterrent to subnational diversion. Finally, the waste management …
Date:
1990-11~
Creator:
Wade, David C.
Object Type:
Article
System:
The UNT Digital Library
Advanced methods for the computation of particle beam transport and the computation of electromagnetic fields and beam-cavity interactions
The University of Maryland Dynamical Systems and Accelerator Theory Group carries out research in two broad areas: the computation of charged particle beam transport using Lie algebraic methods and advanced methods for the computation of electromagnetic fields and beam-cavity interactions. Important improvements in the state of the art are believed to be possible in both of these areas. In addition, applications of these methods are made to problems of current interest in accelerator physics including the theoretical performance of present and proposed high energy machines. The Lie algebraic method of computing and analyzing beam transport handles both linear and nonlinear beam elements. Tests show this method to be superior to the earlier matrix or numerical integration methods. It has wide application to many areas including accelerator physics, intense particle beams, ion microprobes, high resolution electron microscopy, and light optics. With regard to the area of electromagnetic fields and beam cavity interactions, work is carried out on the theory of beam breakup in single pulses. Work is also done on the analysis of the high behavior of longitudinal and transverse coupling impendances, including the examination of methods which may be used to measure these impedances. Finally, work is performed on the …
Date:
November 1, 1990
Creator:
Dragt, Alex J. & Gluckstern, Robert L.
Object Type:
Report
System:
The UNT Digital Library
The Age, Volume [11], Number 11, November 1990
Monthly publication containing information related to Chambers County, Texas, including current events of the Chambers County Historical Commission, the Wallisville Heritage Park, and the Chambers County historical and genealogical societies; reprinted newspaper articles about county events and citizens; and historical news and records.
Date:
November 1990
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 115, No. 21, Ed. 1 Thursday, November 1, 1990
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
November 1, 1990
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
ALS insertion devices
The Advanced Light Source (ALS), the first US third generation synchrotron radiation source, is currently under construction at the Lawrence Berkeley Laboratory. The low-emittance, 1.5 GeV electron storage ring and the insertion devices are specifically designed to produce high brightness beams in the UV to soft X-Ray range. The planned initial complement of insertion devices includes four 4.6 m long undulators, with period lengths of 3.9 cm, 5.0 cm (2) and 8.0 cm, and a 2.9 m long wiggler of 16 cm period length. Undulator design is well advanced and fabrication has begun on the 5.0 cm and 8.0 cm period length undulators. This paper discusses ALS insertion device requirements; general design philosophy; and design of the magnetic structure, support structure/drive systems, control system and vacuum system. 18 refs., 9 figs., 5 tabs.
Date:
November 1, 1990
Creator:
Hoyer, E.; Chin, J.; Halbach, K.; Hassenzahl, W.V.; Humphries, D.; Kincaid, B. et al.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 90, No. 199, Ed. 1 Thursday, November 1, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 1, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Amplitude analysis of the K anti K system in J/. psi. radiative decay
Preliminary results of a mass independent amplitude analysis of J/{psi} radiative decays into K {bar K} final states are presented. A large component of spin zero is observed at the f{sub 2}/{theta}(1720) mass region; however, a small spin two component at this mass region cannot be excluded with the present statistics. 9 refs., 7 figs.
Date:
November 1, 1990
Creator:
Chen, Liang-Ping (Vanderbilt Univ., Nashville, TN (USA). Dept. of Physics and Astronomy)
Object Type:
Article
System:
The UNT Digital Library
Analysis of applications of solar technology for the treatment of chlorinated organic waste
Recent work has demonstrated that concentrated solar energy can destroy many hazardous chemical that are of national concern including dioxins, polychlorinated biphenyls (PCBs), and chlorinated solvents. A detailed systems analysis was performed to determine the applicability of solar detoxification to the treatment of chlorinated solvents. This work determined the cost of destruction of trichlorethylene (TCE) a using conventional and a solar-based technology were compared for this application. This work provides a basis for choosing an application in which solar energy can be used to its fullest potential to solve a growing national problem. 9 refs., 8 figs.
Date:
November 1, 1990
Creator:
Glatzmaier, G C
Object Type:
Article
System:
The UNT Digital Library
Analysis of Core Damage Frequency Due to External Events at the DOE (Department of Energy) N-Reactor
A complete external events probabilistic risk assessment has been performed for the N-Reactor power plant, making full use of all insights gained during the past ten years' developments in risk assessment methodologies. A detailed screening analysis was performed which showed that all external events had negligible contribution to core damage frequency except fires, seismic events, and external flooding. A limited scope analysis of the external flooding risk indicated that it is not a major risk contributor. Detailed analyses of the fire and seismic risks resulted in total (mean) core damage frequencies of 1.96E-5 and 4.60E-05 per reactor year, respectively. Detailed uncertainty analyses were performed for both fire and seismic risks. These results show that the core damage frequency profile for these events is comparable to that found for existing commercial power plants if proposed fixes are completed as part of the restart program. 108 refs., 85 figs., 80 tabs.
Date:
November 1, 1990
Creator:
Lambright, J. A.; Bohn, M. P.; Daniel, S. L.; Baxter, J. T.; Johnson, J. J.; Ravindra, M. K. et al.
Object Type:
Report
System:
The UNT Digital Library
Analysis of meteorological data from three sites in the northeastern United States for application of EPA AIRDOS code
Meteorological data for the entire year of 1989 were collected at three sites that comprise the Knolls Atomic Power Laboratory: Knolls site, Kesselring site, and Windsor site. These data are 15-min averages of wind speed, wind direction, standard deviation of wind direction, and temperature. Hourly averages were computed and used for all analysis. The Pasquill stability category was computed using procedures established by the Environmental Protection Agency. Joint frequency of wind speed, direction, and stability were computed and displayed as wind roses for each stability. The joint frequency tables are presented in the form that is appropriate as meteorological input for the AIRDOS-EPA dispersion model. 5 refs., 5 tabs.
Date:
November 1, 1990
Creator:
Gouveia, F.
Object Type:
Report
System:
The UNT Digital Library
Analysis, Volume 11, Number 11, November 1990
Periodic newsletter discussing information related to legislation, state finance, and other topics related to Texas government. This issue focuses on corporate taxes in Texas, including rankings, results, hypothetical comparisons, and more.
Date:
November 1990
Creator:
Texas Research League
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Annotations, South Texas College of Law (Houston, Tex.), Vol. 19, No. 6, Ed. 1, November, 1990
Student newspaper from South Texas College of Law that includes local, state and campus news along with advertising.
Date:
November 1990
Creator:
Daniel, Raymond
Object Type:
Newspaper
System:
The Portal to Texas History
Annual review of cultural resource investigations by the Savannah River Archaeological Research Program, fiscal year 1990
The Savannah River Archaeological Research Program (SRARP) of the South Carolina Institute of Archaeology and Anthropology, University of South Carolina, is funded through a direct contract with the United States Department of Energy to provide services required under federal law for the protection and management of archaeological resources on the Savannah River Site (SRS). Because the significance of most archaeological resources is dependent upon research potential, the SRARP is guided by research objectives. An on-going research program provides the problems, methods and means of assessing site significance within the compliance process specified by law. In addition, the SRARP maintains an active program of public education to disseminate knowledge about prehistory and history, and to enhance public awareness about historic preservation. The following report summarizes the management, research and public education activities of the SRARP during Fiscal Year 1990.
Date:
November 1, 1990
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Annual review of cultural resource investigations by the Savannah River Archaeological Research Program, fiscal year 1990
The Savannah River Archaeological Research Program (SRARP) of the South Carolina Institute of Archaeology and Anthropology, University of South Carolina, is funded through a direct contract with the United States Department of Energy to provide services required under federal law for the protection and management of archaeological resources on the Savannah River Site (SRS). Because the significance of most archaeological resources is dependent upon research potential, the SRARP is guided by research objectives. An on-going research program provides the problems, methods and means of assessing site significance within the compliance process specified by law. In addition, the SRARP maintains an active program of public education to disseminate knowledge about prehistory and history, and to enhance public awareness about historic preservation. The following report summarizes the management, research and public education activities of the SRARP during Fiscal Year 1990.
Date:
November 1, 1990
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Applying commercial robotic technology to radioactive material processing
The development of robotic systems for glove box process automation is motivated by the need to reduce operator radiation dosage, minimize the generation of process waste, and to improve the security of nuclear materials. Commercial robotic systems are available with the required capabilities but are not compatible with a glove box environment. Alpha radiation, concentrated dust, a dry atmosphere and restricted work space result in the need for unique adaptations to commercial robotics. Implementation of these adaptations to commercial robotics require performance trade-offs. A design and development effort has been initiated to evaluate the feasibility of using a commercial overhead gantry robot for glove box processing. This paper will present the initial results and observations for this development effort. 1 ref.
Date:
November 1, 1990
Creator:
Grasz, E.L. (Lawrence Livermore National Lab., CA (USA)) & Sievers, R.H. Jr. (Science Applications International Corp., San Diego, CA (USA))
Object Type:
Article
System:
The UNT Digital Library