Search Results

open access

Chemical Technology Division, Unit Operations Section Monthly Progress Report, May 1961

Description: The experimental results on the oxidation of H from a He stream with CuO pellets were very close to the predicted behavior based on the mathematical model. Experimental measurements of uranyl sulfate loading rates on chloride equilibrated resin showed little variation with solution concentrations. A tentative flowsbeet was proposed for cost analysis of processing a Pebble Bed Reactor. A U-Zr plate was dissolved in nitrate-free Zirflex solution. An authentic TRIGA prototype was processed in engi… more
Date: December 26, 1961
Creator: Whatley, M. E.; Haas, P. A.; Horton, R. W.; Ryon, A. D.; Suddath, J. C. & Watson, C. D.
Partner: UNT Libraries Government Documents Department
open access

Regulatable elements in the high-level waste management program

Description: Regulatable elements of a deep geological nuclear waste isolation system are those characteristics of a candidate system which need to be specified to achieve control of its performance. This report identifies the regulatable elements with respect to waste form, repository design, site suitability, and the modeling and decision analysis processes. Regulatable elements in each section are listed and described briefly as they affect the short-term and long-term performance of a deep geological re… more
Date: December 26, 1979
Creator: Oakley, D.
Partner: UNT Libraries Government Documents Department
open access

Use of a General Nonlinear Least-Squares Curve Fitting Program With Nonclosed Form Relationships. [GNLS, in FORTRAN for CDC Computers]

Description: A use for GNLS, a general nonlinear least-squares curve fitting program, is presented. In this use GNLS determines a set of best parameters for relationships that cannot be written in closed form. This program can be useful for experimenters who need to determine experimental parameters by fitting nonclosed-form relationships to experimental data. Two examples are given to indicate how GNLS can be used for this type of problem. 11 figures.
Date: December 26, 1979
Creator: Abey, A. E.
Partner: UNT Libraries Government Documents Department
open access

Growth of molten core debris pools in concrete. Part II. A. Pool growth in composite beds; B. Effect of overlaying steel layers. Final report, March 1, 1978-September 30, 1979. [LMFBR]

Description: The heat and mass transfer processes taking place in molten core debris/concrete systems have been experimentally investigated. Two types of experiments have been conducted. The first experiment simulates the growth of a molten debris pool in a composite sacrificial bed. This experiment models debris pool growth in an inner, low-melting point, sacrificial material zone followed by a melting attack on the concrete bed. The purpose of the inner zone is to quickly melt and dilute the debris pool s… more
Date: December 26, 1979
Creator: Abdel-Khalik, S I
Partner: UNT Libraries Government Documents Department
open access

Intelligent Monitoring System With High Temperature Distributed Fiberoptic Sensor For Power Plant Combustion Processes

Description: The objective of the proposed work is to develop an intelligent distributed fiber optical sensor system for real-time monitoring of high temperature in a boiler furnace in power plants. Of particular interest is the estimation of spatial and temporal distributions of high temperatures within a boiler furnace, which will be essential in assessing and controlling the mechanisms that form and remove pollutants at the source, such as NOx. The basic approach in developing the proposed sensor system … more
Date: December 26, 2005
Creator: Lee, Kwang Y.; Yin, Stuart S. & Boheman, Andre
Partner: UNT Libraries Government Documents Department
open access

Mineralization of Radioactive Wastes by Fluidized Bed Steam Reforming (FBSR): Comparisons to Vitreous Waste Forms, and Pertinent Durability Testing

Description: The Savannah River National Laboratory (SRNL) was requested to generate a document for the Washington State Department of Ecology and the U.S. Environmental Protection Agency that would cover the following topics: (1) A description of the mineral structures produced by Fluidized Bed Steam Reforming (FBSR) of Hanford type Low Activity Waste (LAW including LAWR which is LAW melter recycle waste) waste, especially the cage structured minerals and how they are formed. (2) How the cage structured mi… more
Date: December 26, 2008
Creator: Jantzen, Carol M.
Partner: UNT Libraries Government Documents Department
open access

Implementing Graph Pattern Queries on a Relational Database

Description: When a graph database is implemented on top of a relational database, queries in the graph query language are translated into relational SQL queries. Graph pattern queries are an important feature of a graph query language. Translating graph pattern queries into single SQL statements results in very poor query performance. By taking into account the pattern query structure and generating multiple SQL statements, pattern query performance can be dramatically improved. The performance problems en… more
Date: December 26, 2007
Creator: Kaplan, I L; Abdulla, G M; Brugger, S T & Kohn, S R
Partner: UNT Libraries Government Documents Department
open access

A Study of Thorium-Base Alloys

Description: Report discussing studies testing various thorium alloys consisting of either Ames thorium and up to 5% of various additions or Ames thorium and up to 50% uranium. Effects of molybdenum additions for fusion welding, and cold-work strengthening were also tested. Methods, experimental data, and discussion is included.
Date: December 26, 1951
Creator: Goldhoff, R. M.; Ogden, Horace R. & Jaffee, Robert Isaac, 1917-
Partner: UNT Libraries Government Documents Department
open access

The Federal Tax System for the 2017 Tax Year

Description: This report describes the current federal tax structure and provides some statistics on the tax system as a whole, as of 2017.
Date: December 26, 2017
Creator: Sherlock, Molly F. & Marples, Donald J.
Partner: UNT Libraries Government Documents Department
open access

The effect of chemical additives and coating materials on the adsorption of radionuclide parent elements of aluminum surfaces

Description: Laboratory studies have been conducted under simulated reactor operating conditions to determine the effect of various chemical additives and coatings on the adsorption of trace elements on aluminum surfaces. Of the materials tested, silicate additives and organic ink coatings were by far the most effective, reducing the adsorption of arsenic and phosphorus tracers by as much as one to three orders of magnitude. The laboratory techniques and results are discussed.
Date: December 26, 1962
Creator: Perkins, R. W. & Robertson, D. E.
Partner: UNT Libraries Government Documents Department
open access

Campaign rework of Z-Plant material at Purex

Description: The Purex Plant has been requested to process Z-Plant MR and EPT solutions containing about 200 kilograms of plutonium in order to alleviate processing problem at Z-Plant and to reduce the inventory of MR and EPT rework. Campaign recycle of uranium through the main plant is recommended as an economical and effective means of reworking large quantities of Z-Plant plutonium solutions. This memorandum outlines process alternates and costs for reworking the solutions and itemizes specific recommend… more
Date: December 26, 1963
Creator: Judson, B. F. & Kendall, J. B.
Partner: UNT Libraries Government Documents Department
open access

Democracy Promotion: Cornerstone of U.S. Foreign Policy?

Description: This report contains a summary on democracy. This report provides an overview of the promotion of Democracy and the U.S. government's activities to promote democracy.
Date: December 26, 2007
Creator: Epstein, Susan B.; Serafino, Nina M. & Miko, Francis T.
Partner: UNT Libraries Government Documents Department
open access

K-Reactor Retubing Program graphite temperature study

Description: A project has been proposed and the funds allocated for the replacement of the central zone aluminum process tubes at both K Reactors with smooth bore zirconium process tubes of approximately the same outside diameter as the original tubes. Associated with this project is the problem of relieving the present graphite stack distortion in the vicinity of the process tube channels and counteracting or prereliving, at this time, the expected graphite stack distortion that, will take place over the … more
Date: December 26, 1962
Creator: Agar, J. D.
Partner: UNT Libraries Government Documents Department
open access

Special review of selected reactor construction, operation, and program data

Description: This report documents the answers to specific questions posed by management on December 17,1962. The questions asked were: (1) What were the design and construction start and completion dates of project CG-558-600?, what was the percent power level increase design for CG-558-600?, what was the actual power level increase achieved?, what was the construction completion date of DR reactor?, what was the expansion-overbore program initiation date?, on what date was the oral overbore-type proposal … more
Date: December 26, 1962
Creator: Ballowe, J. W.; Brasfield, R. L. & Fifer, N. F.
Partner: UNT Libraries Government Documents Department
open access

PITA IP-27C: Part 2, Increased coolant flow, H reactor operational physics requirements

Description: A program for increasing the available coolant flow at the H Reactor has been proposed and supported by documentation. This Process Improvement Transition Authorization (being written in two parts) authorizes the initiation of an immediate phase of the program designed to increase total coolant flow by about 6,000 to 10,000 gallons per minute. Part I of this PITA describes in detail the limitations and requirements peculiar to Process Engineering aspects of the proposed modifications and is pre… more
Date: December 26, 1963
Creator: Bowers, C. E. & Conner, E. L., Jr.
Partner: UNT Libraries Government Documents Department
open access

Kootenai River Fisheries Investigation : Stock Status of Burbot : Project Progress Report 2008 Annual Report.

Description: Objectives of this investigation were to (1) monitor the population status and recruitment of burbot Lota lota in the Kootenai River, Idaho and British Columbia, Canada during the winter of 2006-2007; (2) evaluate the selective withdrawal system in place at Libby Dam to maintain the river temperature near Bonners Ferry between 1-4 C (November-December) to improve burbot migration and spawning activity; and (3) determine if a hatching success of 10% of eyed burbot embryos could be achieved throu… more
Date: December 26, 2008
Creator: Paragamian, Valughn L. & C., Laude Dorothy
Partner: UNT Libraries Government Documents Department
open access

Institute for Multiscale Modeling of Biological Interactions

Description: The Institute for Multiscale Modeling of Biological Interactions (IMMBI) has two primary goals: Foster interdisciplinary collaborations among faculty and their research laboratories that will lead to novel applications of multiscale simulation and modeling methods in the biological sciences and engineering; and Building on the unique biophysical/biology-based engineering foundations of the participating faculty, train scientists and engineers to apply computational methods that collectively spa… more
Date: December 26, 2009
Creator: Paulaitis, Michael E.; Garcia-Moreno, Bertrand & Lenhoff, Abraham
Partner: UNT Libraries Government Documents Department
Back to Top of Screen