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Summary of literature review of risk communication: Hanford Environmental Dose Reconstruction Project
The Hanford Environmental Dose Reconstruction (HEDR) Project will estimate radiation exposures people may have received from radioactive materials released during past operations at the Department of Energy's Hanford Site near Richland, Washington. The project is being conducted by Pacific Northwest Laboratory (PNL) under the direction of an independent Technical Steering Panel (TSP). The Centers for Disease Control (CDC) will use HEDR dose estimates in studies to investigate a potential link between thyroid disease and historical Hanford emissions. The HEDR Project was initiated to address public concerns about the possible health impacts from past releases of radioactive materials from Hanford. The TSP recognized early in the project that special mechanisms would be required to communicate effectively to the many different concerned audiences. To identify and develop these mechanisms, the TSP issued Directive 89-7 to PNL in May 1989. The TSP directed PNL to examine methods to communicate the causes and effects of uncertainties in the dose estimates. A literature review was conducted as the first activity in response to the TSP's directive. This report presents the results of the literature review. The objective of the literature review was to identify key principles'' that could be applied to develop communications strategies for …
Date:
May 1, 1991
Creator:
Byram, S.J.
Object Type:
Report
System:
The UNT Digital Library
UNLV Information Science Research Institute quarterly progress report
This report presents research on information systems, information retrieval, and optical character recognition. (CBS)
Date:
December 31, 1991
Creator:
Nartker, T.A.
Object Type:
Report
System:
The UNT Digital Library
UNLV Information Science Research Institute quarterly progress report
This report presents research on information systems, information retrieval, and optical character recognition. (CBS)
Date:
December 31, 1991
Creator:
Nartker, T. A.
Object Type:
Report
System:
The UNT Digital Library
Bibliography of the technical literature of the Materials Joining Group, 1951--1991
This document contains a listing of the written scientific information originating in the Materials Joining (formerly the Welding and Brazing Group), Metals and Ceramics Division, Oak Ridge National Laboratory during 1951 through June 1991. This registry of documents is as much as possible, in the order of issue date.
Date:
December 1, 1991
Creator:
David, S. A.; Goodwin, G. M. & Gardner, K.
Object Type:
Report
System:
The UNT Digital Library
Oral History Interview with David Webb, December 19, 1991
Access:
Use of this item is restricted to the UNT Community
Interview with Dr. David Webb, a librarian, concerning his experiences as Director of Libraries, Director of Library Services, and Professor of Library Services at North Texas State College and North Texas State University from 1953 to 1982.
Date:
December 19, 1991
Creator:
Dickey, Richard & Webb, David A.
Object Type:
Book
System:
The UNT Digital Library
Bibliography of the technical literature of the Materials Joining Group, 1951--1991
This document contains a listing of the written scientific information originating in the Materials Joining (formerly the Welding and Brazing Group), Metals and Ceramics Division, Oak Ridge National Laboratory during 1951 through June 1991. This registry of documents is as much as possible, in the order of issue date.
Date:
December 1, 1991
Creator:
David, S. A.; Goodwin, G. M. & Gardner, K. (comps.)
Object Type:
Report
System:
The UNT Digital Library
Literature review of United States utilities computer codes for calculating actinide isotope content in irradiated fuel
This paper reviews the accuracy and precision of methods used by United States electric utilities to determine the actinide isotopic and element content of irradiated fuel. After an extensive literature search, three key code suites were selected for review. Two suites of computer codes, CASMO and ARMP, are used for reactor physics calculations; the ORIGEN code is used for spent fuel calculations. They are also the most widely used codes in the nuclear industry throughout the world. Although none of these codes calculate actinide isotopics as their primary variables intended for safeguards applications, accurate calculation of actinide isotopic content is necessary to fulfill their function.
Date:
December 1, 1991
Creator:
Horak, W. C. & Lu, Ming-Shih
Object Type:
Report
System:
The UNT Digital Library
Managing Large-Scale Environmental Impact Assessments
This report describes management techniques of environmental impact assessment projects. Document preparation and review is briefly discussed. (CBS)
Date:
December 1, 1991
Creator:
Pentecost, Edwin D.
Object Type:
Article
System:
The UNT Digital Library
How to design and establish a computer bulletin board to support inventors
This booklet is a ``how-to handbook`` to demonstrate the development of an interactive electronic bulletin board as a support network for independent inventors and small business inventors. This will explain step-by-step, how Linking Alaskan Minds{trademark}, the Alaskan model of an interactive computer bulletin board system, was developed and designed to serve as a successfully working, interactive computer bulletin board that links and supports independent inventors in Alaska.
Date:
1991~
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Literature review of United States utilities computer codes for calculating actinide isotope content in irradiated fuel
This paper reviews the accuracy and precision of methods used by United States electric utilities to determine the actinide isotopic and element content of irradiated fuel. After an extensive literature search, three key code suites were selected for review. Two suites of computer codes, CASMO and ARMP, are used for reactor physics calculations; the ORIGEN code is used for spent fuel calculations. They are also the most widely used codes in the nuclear industry throughout the world. Although none of these codes calculate actinide isotopics as their primary variables intended for safeguards applications, accurate calculation of actinide isotopic content is necessary to fulfill their function.
Date:
December 1, 1991
Creator:
Horak, W.C. & Lu, Ming-Shih.
Object Type:
Report
System:
The UNT Digital Library
Document search and declassification for Phase 1 of the HEDR Project
This letter report describes how Hanford Environmental Dose Reconstruction (HEDR) Project staff identified, searched for, evaluated, described, declassified, and made documents available during Phase 1 of the project. The objective of these activities was to find and make available HEDR-related information that was generated at the Hanford Site. Users of the information were HEDR staff, the Technical Steering Panel (TSP), and the public.
Date:
May 1, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Oral History Interview with David A. Webb, May 15, 1991
Access:
Use of this item is restricted to the UNT Community
Interview with David A. Webb, librarian and former Director of Libraries at the University of North Texas when it was North Texas State University. Webb discusses his background, teaching experience, collections at the library, budget, and developments within the field of Library and Information Science.
Date:
May 15, 1991
Creator:
Himmel, Richard L.; Lavender, Kenneth & Webb, David A.
Object Type:
Book
System:
The UNT Digital Library
Information Services Directory
Congress passed the Nuclear Waste Policy Act of 1982 (NWPA) and its amendments establishing the national policy for safely storing, transporting and disposing of spent nuclear fuel and high-level radioactive waste in a geologic repository. This legislation created the Office of Civilian Radioactive Waste Management (OCRWM) within the US Department of Energy (DOE) to develop an integrated system for the safe and efficient disposal of high-level radioactive waste. The NWPA, as amended, directs DOE to study in detail the Yucca Mountain site in Nevada as the only candidate site for the Nation`s geologic repository. This Information Services Directory is intended to facilitate dissemination of information. The Directory is produced by the Education and Information Division of OCRWM`s Office of External Relations and will be updated periodically. This is the third such update since its issuance in August 1986. It is a reference document that lists the sources of program information available to states, Indian tribes, and the public.
Date:
March 1, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Information services directory
Congress passed the Nuclear Waste Policy Act of 1982 (NWPA) and its amendments establishing the National policy for safely storing, transporting and disposing of spent nuclear fuel and high-level radioactive waste in a geologic repository. This legislation created the Office of Civilian Radioactive Waste Management (OCRWM) within the US Department of Energy (DOE) to develop an integrated system for the safe and efficient disposal of high-level radioactive waste. The NWPA, as amended, directs DOE to study in detail the Yucca Mountain site in Nevada as the only candidate site for the Nation`s geologic repository. In Nevada, the DOE/OCRWM Yucca Mountain Site Characterization Project Office (YMPO) manages scientific investigations to determine the suitability of Yucca Mountain for effectively isolating radioactive waste from the public and the environment. This Information Services Directory is intended to facilitate dissemination of information. The Directory is produced by the Education and Information Division of OCRWM`s Office of External Relations and will be updated periodically. This is the third such update since its issuance in August 1986. It is a reference document that lists the sources of program information available to States, Indian Tribes and the public.
Date:
January 1, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
A probabilistic approach to information retrieval in heterogeneous databases
During the post decade, organizations have increased their scope and operations beyond their traditional geographic boundaries. At the same time, they have adopted heterogeneous and incompatible information systems independent of each other without a careful consideration that one day they may need to be integrated. As a result of this diversity, many important business applications today require access to data stored in multiple autonomous databases. This paper examines a problem of inter-database information retrieval in a heterogeneous environment, where conventional techniques are no longer efficient. To solve the problem, broader definitions for join, union, intersection and selection operators are proposed. Also, a probabilistic method to specify the selectivity of these operators is discussed. An algorithm to compute these probabilities is provided in pseudocode.
Date:
August 1, 1991
Creator:
Chatterjee, A. & Segev, A.
Object Type:
Article
System:
The UNT Digital Library
Meeting the information needs of high energy physicists
None
Date:
June 1, 1991
Creator:
Kreitz, P.
Object Type:
Report
System:
The UNT Digital Library
A probabilistic approach to information retrieval in heterogeneous databases
During the post decade, organizations have increased their scope and operations beyond their traditional geographic boundaries. At the same time, they have adopted heterogeneous and incompatible information systems independent of each other without a careful consideration that one day they may need to be integrated. As a result of this diversity, many important business applications today require access to data stored in multiple autonomous databases. This paper examines a problem of inter-database information retrieval in a heterogeneous environment, where conventional techniques are no longer efficient. To solve the problem, broader definitions for join, union, intersection and selection operators are proposed. Also, a probabilistic method to specify the selectivity of these operators is discussed. An algorithm to compute these probabilities is provided in pseudocode.
Date:
August 1, 1991
Creator:
Chatterjee, A. & Segev, A.
Object Type:
Article
System:
The UNT Digital Library
Chemical Information Bulletin, Volume 43, Number 2, Summer 1991
Periodic supplement for "the regular journals of the American Chemical Society," containing annotated bibliographies of chemical documentation literature as well as information about meetings, conferences, awards, scholarships, and other news from the American Chemical Society (ACS) Division of Chemical Literature.
Date:
Summer 1991
Creator:
American Chemical Society. Division of Chemical Information.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Chemical Information Bulletin, Volume 43, Number 1, Spring 1991
Periodic supplement for "the regular journals of the American Chemical Society," containing annotated bibliographies of chemical documentation literature as well as information about meetings, conferences, awards, scholarships, and other news from the American Chemical Society (ACS) Division of Chemical Literature.
Date:
Spring 1991
Creator:
American Chemical Society. Division of Chemical Information.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
The study of multi-institutional collaborations in high-energy physics. Progress report, January 1989--March 1991
Since World War II, the organizational framework for scientific research is increasingly the multi-institutional collaboration, especially in high-energy physics. A broad preliminary survey, into the functioning of research collaborations involving three or more institutions is described. The study is designed to identify patterns of collaborations, define the scope of the documentation problems, field-test possible solutions, recommend future actions, and build an archives of oral history interviews and other resources for scholarly use. Once the study is completed, its findings will be used to promote systems to document significant collaborative research.
Date:
December 31, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Literature review on the use of bioaccumulation for heavy metal removal and recovery
Bioaccumulation of metals by microbes -- bioremoval'' -- is a powerful new technology for the concentration, recovery, and removal of toxic heavy metals and radionuclides from waste streams and contaminated environments. Algae are particularly well suited for metal bioremoval. A recent commercial application of bioremoval utilizes inert (dead) immobilized microalgae biomass as ion exchange materials for the removal of heavy metals from industrial waste waters. Also, living microalgal cultures have been used to remove metals from mine effluents. Microbial cells and biomass can bioaccumulate metals and radionuclides by a large variety of mechanisms, both dependent and independent of cell metabolism. Microbial cell walls can act as ion exchange and metal complexation agents. Heavy metals can precipitate and even crystallize on cell surfaces. Metabolically produced hydrogen sulfide or other metabolic products can bioprecipitate heavy metals. Many microbes produce both intra- and extracellular metal complexing agents which could be considered in practical metal removal processes. Bioremoval processes are greatly affected by the microbial species and even strain used, pH, redox potential, temperature, and other conditions under which the microbes are grown. Development of practical applications of bioremoval requires applies research using the particular waste solutions to be treated, or close simulations thereof. …
Date:
February 1, 1991
Creator:
Benemann, J.R. (Benemann (J.R.), Pinole, CA (United States)) & Wilde, E.W. (Westinghouse Savannah River Co., Aiken, SC (United States))
Object Type:
Report
System:
The UNT Digital Library
Literature review on the use of bioaccumulation for heavy metal removal and recovery. Volume 2
Bioaccumulation of metals by microbes -- `` bioremoval`` -- is a powerful new technology for the concentration, recovery, and removal of toxic heavy metals and radionuclides from waste streams and contaminated environments. Algae are particularly well suited for metal bioremoval. A recent commercial application of bioremoval utilizes inert (dead) immobilized microalgae biomass as ion exchange materials for the removal of heavy metals from industrial waste waters. Also, living microalgal cultures have been used to remove metals from mine effluents. Microbial cells and biomass can bioaccumulate metals and radionuclides by a large variety of mechanisms, both dependent and independent of cell metabolism. Microbial cell walls can act as ion exchange and metal complexation agents. Heavy metals can precipitate and even crystallize on cell surfaces. Metabolically produced hydrogen sulfide or other metabolic products can bioprecipitate heavy metals. Many microbes produce both intra- and extracellular metal complexing agents which could be considered in practical metal removal processes. Bioremoval processes are greatly affected by the microbial species and even strain used, pH, redox potential, temperature, and other conditions under which the microbes are grown. Development of practical applications of bioremoval requires applies research using the particular waste solutions to be treated, or close simulations …
Date:
February 1, 1991
Creator:
Benemann, J. R. & Wilde, E. W.
Object Type:
Report
System:
The UNT Digital Library
Coal Combustion Science
The objective of this activity is to support the Office of Fossil Energy in executing research on coal combustion science. This activity consists of basic research on coal combustion that supports both the Pittsburgh Energy Technology Center Direct Utilization Advanced Research and Technology Development Program, and the International Energy Agency Coal Combustion Science Project. Specific tasks for this activity include: (1) coal devolatilization - the objective of this risk is to characterize the physical and chemical processes that constitute the early devolatilization phase of coal combustion as a function of coal type, heating rate, particle size and temperature, and gas phase temperature and oxidizer concentration; (2) coal char combustion -the objective of this task is to characterize the physical and chemical processes involved during coal char combustion as a function of coal type, particle size and temperature, and gas phase temperature and oxygen concentration; (3) fate of mineral matter during coal combustion - the objective of this task is to establish a quantitative understanding of the mechanisms and rates of transformation, fragmentation, and deposition of mineral matter in coal combustion environments as a function of coal type, particle size and temperature, the initial forms and distribution of mineral species in …
Date:
August 1, 1991
Creator:
Hardesty, D.R. (ed.); Fletcher, T.H.; Hurt, R.H. & Baxter, L.L. (Sandia National Labs., Livermore, CA (United States))
Object Type:
Report
System:
The UNT Digital Library
Assessment of the Current Status of Informatics in Colombia's Universities and Society
This study tries to delineate the paradigms of opinion among Colombian Computer Industrialists with respect to the role of informatics in national development especially (1) their estimation of the performance of the informatics in the modernization process, (2) the perceptions on which this attitude was based, (3) their ability to integrate the informatics instruction into the development process, (4) their ability to establish the need of doctoral programs in informatics into the development process, and (5) their ability to recognize the importance of the network communication as a medium of knowledge exchange among higher education institutions.
Date:
August 1991
Creator:
Cabrales, Eusebio Jose
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library