Acceleration Due to Gravity at the National Bureau of Standards (open access)

Acceleration Due to Gravity at the National Bureau of Standards

Report describing the determination of the absolute value of the acceleration due to gravity at the National Bureau of Standards.
Date: June 1968
Creator: Tate, Douglas Roy
Object Type: Report
System: The UNT Digital Library
Acid-Base Behavior in Aprotic Organica Solvents (open access)

Acid-Base Behavior in Aprotic Organica Solvents

Report presenting the National Bureau of Standards' research program designed to determine and explain acid-base behavior in aprotic organic solvents and to develop methods and reference materials for determining total acid and base content and relative strengths of acids and bases in the media.
Date: August 1968
Creator: Davis, Marion Maclean
Object Type: Report
System: The UNT Digital Library
Acoustic Flowmeter Prototype Evaluation Tests (open access)

Acoustic Flowmeter Prototype Evaluation Tests

Summary: "Prototype tests of an acoustic flowmeter system were made in a 24-ftdiam power penstock at Oahe Dam to evaluate the system prior to permanent installation in the outlet works at Summersville Dam. Comparative discharge measurements included acoustic, penstock pressure-momentum (Gibson), turbine model test ratings, scroll-case pressure differential (Winter-Kennedy flowmeter), and surge tank volume changes. The acoustic flowmeter measurements were very consistent and many of the comparisons were within 1%. The location of the measuring section for a single-path acoustic flowmeter must be selected to give a known or measurable relation between the flow pattern of the whole section and that along the acoustic path" (p. xi).
Date: January 1968
Creator: Pickett, Ellis B.
Object Type: Report
System: The UNT Digital Library
An Analytical Model for Predicting Cross-Country Vehicle Performance, Appendix B: Vehicle Performance in Lateral and Longitudinal Obstacles (Vegetation), Volume 1: Lateral Obstacles (open access)

An Analytical Model for Predicting Cross-Country Vehicle Performance, Appendix B: Vehicle Performance in Lateral and Longitudinal Obstacles (Vegetation), Volume 1: Lateral Obstacles

First part of an appendix that accompanies a study meant to develop a model for predicting the cross-country performance of military vehicles in various conditions. This volume describes a segment of tests to determine the ability of vehicles to negotiate lateral obstacles (e.g., trees, boulders, holes, mounds, etc.).
Date: December 1968
Creator: Blackmon, Claude A. & Stoll, Jack K.
Object Type: Report
System: The UNT Digital Library
Application of Dislocation Theory to Analysis of Vertical Displacements at the Ground Surface Caused by the Duryea Event (open access)

Application of Dislocation Theory to Analysis of Vertical Displacements at the Ground Surface Caused by the Duryea Event

This report documents the use of the dislocation theory to analyze measured vertical displacements across a fault near the Duryea underground nuclear explosion.
Date: January 29, 1968
Creator: Brethauer, G. E.
Object Type: Report
System: The UNT Digital Library
Calculation of Cavity Radius Using an Average Potential Energy Function (open access)

Calculation of Cavity Radius Using an Average Potential Energy Function

This report presents an equation used for calculating the radii of non-spherical cavities formed by underground nuclear explosions.
Date: February 5, 1968
Creator: Brethauer, G. E.
Object Type: Report
System: The UNT Digital Library
Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1968 (open access)

Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1968

A table that displays stratigraphic names. It discusses which can be adopted, revised, re-instated, and abandoned.
Date: 1968
Creator: Cohee, George V.; Bates, Robert G. & Wright, Wilna B.
Object Type: Report
System: The UNT Digital Library
Chemical Technology Division Annual Progress Report, May 31, 1968 (open access)

Chemical Technology Division Annual Progress Report, May 31, 1968

Report documenting the ongoing research of the Oak Ridge National Laboratory's Chemical Technology Division. This report includes tables, diagrams, graphs, and articles related to chemical technology.
Date: September 1968
Creator: Oak Ridge National Laboratory. Chemical Technology Division.
Object Type: Report
System: The UNT Digital Library
Cold-Mold Arc Melting and Casting (open access)

Cold-Mold Arc Melting and Casting

Report issued by the U.S. Bureau of Mines providing updates and additional information related to cold-mold arc melting and casting. Abstract: "This bulletin reviews the historical background of the cold-mold arc-melting technology, with specific references to the development that led to homogeneous zirconium ingots. Descriptions are given of modern production arc-furnaces for vacuum melting of both exotic and conventional metals. Besides zirconium, specific data are given for production of chromium, thorium, and copper. The development of the skull-casting technique for titanium is detailed, and the application of the technique to such refractory metals as molybdenum and tungsten is described. Factors of operation of the apparatus and furnace design are considered" (p. 1).
Date: 1968
Creator: Beall, Robert A. & Hedges, Joseph Harold
Object Type: Report
System: The UNT Digital Library
Cold-Mold Arc Melting and Casting (open access)

Cold-Mold Arc Melting and Casting

Report issued by the Bureau of Mines discussing the cold-mold arc-melting technology and techniques. As stated in the introduction, "the objectives of this book are twofold: To accumulate and update Bureau of Mines contributions to cold-mold arc melting and casting, and, by addition of pertinent chapters, to provide production melters and researchers with the best possible view of the overall technique" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1968
Creator: Beall, Robert A.; Caputo, F.; Hayes, E. T.; Asai, G.; Roberson, A. H.; Clites, P. G. et al.
Object Type: Report
System: The UNT Digital Library
Colorimetry (open access)

Colorimetry

"The definition of color, as a characteristics of light, and the basic principles of its measurement are given. The reduction of spectrophotometric data to three chromaticity coordinates by means of the three-function CIE standard observer system for colorimetry is described. Various methods of direct colorimetry, and visual and photoelectric methods of colorimetry by differences from material standards are treated" (p. 1).
Date: January 1968
Creator: Nimeroff, I.
Object Type: Report
System: The UNT Digital Library
Comparison of Two Sodium-Cooled, 1000 MegaWatt Fast Reactor Concepts: Task 1 Report of 1000 MegaWatt Liquid Metal Fast Breeder Reactor Follow-On Work (open access)

Comparison of Two Sodium-Cooled, 1000 MegaWatt Fast Reactor Concepts: Task 1 Report of 1000 MegaWatt Liquid Metal Fast Breeder Reactor Follow-On Work

From introduction: "The development of one or more nuclear steam supply system concepts, with certain trade-off studies to aid in the definition of these concepts. The selection of a reference concept for further study."
Date: June 1968
Creator: General Electric Company
Object Type: Report
System: The UNT Digital Library
Competition in the Nuclear Power Supply Industry (open access)

Competition in the Nuclear Power Supply Industry

From purpose and scope: The Justice Department and the AEC embarked upon this joint study so as to provide the basis for preparation and consideration of guidelines for the nuclear industry best designed to foster vigorous growth and to provide a sound basis for government action.
Date: December 1968
Creator: Arthur D. Little, Inc.
Object Type: Report
System: The UNT Digital Library
Computer Technique for Tracing Seismic Rays in Two-Dimensional Geological Models (open access)

Computer Technique for Tracing Seismic Rays in Two-Dimensional Geological Models

The following report describes the computer technique for tracing seismic rays in two-dimensional geological models in the state during the time this report was written, and presents some preliminary results.
Date: June 4, 1968
Creator: Yacoub, Nazieh K.; Scott, James H. & McKeown, F. A.
Object Type: Report
System: The UNT Digital Library
Computer Technique for Tracing Seismic Rays in Two-Dimensional Geological Models: Explanation of Figures 7a-d, 8a-c and 9a-d (open access)

Computer Technique for Tracing Seismic Rays in Two-Dimensional Geological Models: Explanation of Figures 7a-d, 8a-c and 9a-d

The following report explains the seismic ray models presented in this report.
Date: June 4, 1968
Creator: Yacoub, Nazieh K.; Scott, James H. & McKeown, F. A.
Object Type: Report
System: The UNT Digital Library
Conceptual Design Study of a 250-Million Gallons Per Day Combined Vertical Tube-Flash Evaporator Desalination Plant (open access)

Conceptual Design Study of a 250-Million Gallons Per Day Combined Vertical Tube-Flash Evaporator Desalination Plant

Report containing a design study of a 250 million gallons per day desalination plant. Contains a description of the desalination process, information regarding the design's efficiency, estimated capital and production costs
Date: August 1968
Creator: Oak Ridge National Laboratory
Object Type: Report
System: The UNT Digital Library
Copper Leaching Practices in the Western United States (open access)

Copper Leaching Practices in the Western United States

Report issued by the U.S. Bureau of Mines discussing copper leaching in the Western United States. As stated in the introduction, "the purpose of this report is to describe and discuss the different leaching and recovery methods currently employed in the production of copper from low-grade ores in the Western states" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1968
Creator: Sheffer, Herman W. & Evans, LaMar G.
Object Type: Report
System: The UNT Digital Library
Cosmic Ray Produced Ar37 and Ar39 Activities in Recently Fallen Meteorites (open access)

Cosmic Ray Produced Ar37 and Ar39 Activities in Recently Fallen Meteorites

Several methods of determining meteorite ages depend ages upon nuclides formed by cosmic ray interactions. The tactic assumption is always made that the intensity of cosmic radiation does not vary in time or space. However it is known that the intensity of cosmic radiation at the earth varies with the solar activity. The spectrum of cosmic ray protons and alpha particles exhibit a marked drop at the low energy end (<1.5 GeV) and the intensity in the region appears to follow the 11 year cycle of solar activity. The low energy cosmic rays increase in intensity with a decrease in solar activity. These changes in cosmic ray intensities are generally attributed to a modulation of the galactic cosmic radiation by the magnetic fields associated with the outward streaming solar material, the solar wind. One would therefore expect that the cosmic ray intensity several astronomical units from the sun is greater than the intensity at the earth's orbit, particularly at the low energy end of the spectrums.
Date: February 1, 1968
Creator: Davis, R. Jr.; Stoenner, R. W. & Schaeffer, O. A.
Object Type: Report
System: The UNT Digital Library
A Descriptive Catalog of Selected Aerial Photographs of Geologic Features in the United States (open access)

A Descriptive Catalog of Selected Aerial Photographs of Geologic Features in the United States

From introduction: The U.S. Geological Survey has selected and assembled sets of photographs that illustrate numerous types of geologic features in the United States. This catalog lists these special sets of photographs that are available for purchase and describes the features illustrated. One reduced photograph from each set is shown on the back pages of this catalog to assist the purchaser in his selection.
Date: 1968
Creator: Geological Survey (U.S.)
Object Type: Report
System: The UNT Digital Library
Design and Economic Study of a Gas Turbine Powered Vapor Compression Plant for Evaporation of Seawater (open access)

Design and Economic Study of a Gas Turbine Powered Vapor Compression Plant for Evaporation of Seawater

Report that "presents the results of an engineering study of the design and economics of a single purpose gas tubine powered vapor compression cycle seawater desalting plant." (p. 1)
Date: 1968
Creator: Struthers Energy Systems, Inc.
Object Type: Report
System: The UNT Digital Library
Design and Testing of a High-Heat Flux Electron-Bombardment Heater (open access)

Design and Testing of a High-Heat Flux Electron-Bombardment Heater

Report issued by the Argonne National Laboratory discussing the testing of an electron-bombardment heater. As stated in the abstract, "the applications of electron-bombardment heating to liquid-metal heat transfer and reactor safety experiments are discussed. The design of a high-heat-flux, electron-bombardment heater (EBH) is presented" (p. 7). This report includes tables, illustrations, and photographs.
Date: March 1968
Creator: Carlson, R. D. & Holtz, R. E.
Object Type: Report
System: The UNT Digital Library
Determining the "State of Charge" of Nickel-Cadmium Batteries by Farad Capacitance Measurements (open access)

Determining the "State of Charge" of Nickel-Cadmium Batteries by Farad Capacitance Measurements

From abstract: "A rapid simple method has been developed for determining state of charge of the widely used nickel-cadium rechargeable battery. The method described is based on the experimentally verified relationship between farad capacitance and state of charge."
Date: August 1968
Creator: Latner, Norman
Object Type: Report
System: The UNT Digital Library
Development of Propane Hydrate Desalting Process (open access)

Development of Propane Hydrate Desalting Process

Report that summarizes research on the propane hydrate saline water conversion process. Contains the design of the plant where the testing occurred as well as summaries of the tests.
Date: August 1968
Creator: Williams, V. C.; Roy, C. L.; Smith, H., Jr. & Battle, O. B.
Object Type: Report
System: The UNT Digital Library
Development Report Number 7: Saline Water Conversion Test Bed Plant, Freeport, Texas (open access)

Development Report Number 7: Saline Water Conversion Test Bed Plant, Freeport, Texas

Report regarding the ninth Development Run of Saline Water Conversion Demonstration Plant Number 1. Primary objectives include studying "various aspects of heat transfer and sea water and condensate treatment and their effect on the Multiple-Effect Long-Tube-Vertical Evaporation Process" (p. 1).
Date: June 1968
Creator: Stearns-Roger Corporation
Object Type: Report
System: The UNT Digital Library