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The Modernized Metric System: the International System of Units (SI) and its Relationship to U.S. Customary Units
Chart of the six base units of the modernized metric system, including length, time, mass, temperature, electric current, and luminous intensity.
Date:
1968
Creator:
United States. National Bureau of Standards.
Object Type:
Poster
System:
The UNT Digital Library
Legibility of Alphanumeric Characters and Other Symbols: 2. A Reference Handbook
Major psychological findings and data in the field of the legibility of alphanumeric characters and other symbols.
Date:
February 10, 1967
Creator:
Cornog, D. Y. & Rose, F. C.
Object Type:
Report
System:
The UNT Digital Library
Measures for Progress: a History of the National Bureau of Standards
Definitive history of the United States National Bureau of Standards.
Date:
1966
Creator:
Cochrane, Rexmond C.
Object Type:
Report
System:
The UNT Digital Library
A Compilation of the Physical Equilibria and Related Properties of the Hydrogen-Carbon Monoxide System
Graphical presentation of K-factors for eight isotherms, published data on the solid-vapor region, and a bibliography of approximately 450 references.
Date:
May 1961
Creator:
Drayer, D. E. & Flynn, T. M.
Object Type:
Report
System:
The UNT Digital Library
Provisional Thermodynamic Functions for Para-Hydrogen
The need for thermodynamic functions of para hydrogen, especially in compressed liquid and dense fluid states, prompts the tabulation of these provisional properties, computed by approximate methods utilizing the new PVT data of these reports. Computation and preparation of the tables is discussed under the following: Approximate Computational Methods; Correlation Methods; Discussion of Errors; and Tables of Functions.
Date:
December 1961
Creator:
Roder, Hans M. & Goodwin, Robert D.
Object Type:
Report
System:
The UNT Digital Library
Information Selection Systems Retrieval Replica Copies: a State-of-the-Art Report
Description of 15 specific systems employing search-type selection principles.
Date:
December 31, 1961
Creator:
Bagg, Thomas C. & Stevens, Mary Elizabeth
Object Type:
Report
System:
The UNT Digital Library
A Comparison of Two Melting-Pressure Equations Constrained to Triple Point Using Data for Eleven Gases and Three Metals
Parameters determined by a least-squares method for the reduced Simon equation and for a new, empirical melting equation.
Date:
October 6, 1963
Creator:
Goodwin, Robert D. & Weber, Lloyd A.
Object Type:
Report
System:
The UNT Digital Library
On the Formulation and Numerical Evaluation of a set of Two-Phase Flow Equations Modelling the Cooldown Process
Summarizes progress to date on the formulation and numerical integration of systems of equations modeling general two-phase flows in a pipe.
Date:
January 4, 1965
Creator:
Jarvis, Stephen, Jr.
Object Type:
Report
System:
The UNT Digital Library
Calculation of Sunrise and Sunset Times at Ionospheric Heights Along a Great Circle Path
Formulas, computer program, and illustrations for a great circle path at ionospheric heights.
Date:
November 8, 1964
Creator:
Brady, A. H. & Crombie, D. D.
Object Type:
Report
System:
The UNT Digital Library
HAYSTAQ: a Mechanized System for Searching Chemical Information
Description of a computer program for searching chemical information on magnetic tape.
Date:
September 27, 1965
Creator:
Marden, Ethel C.
Object Type:
Report
System:
The UNT Digital Library
Extension of Programs for Calculations of Great Circle Paths and Sunrise-Sunset Times
Modification of an earlier program to remove restrictions in calculating the short or long great circle path.
Date:
February 18, 1965
Creator:
Crary, J. H.
Object Type:
Report
System:
The UNT Digital Library
Temperature-Entropy Diagram for Parahydrogen Triple-Point Region
Graphical presentation of he three-phase region at and near the triple point of parahydrogen.
Date:
June 22, 1966
Creator:
Sindt, C. F. & Mann, D. B.
Object Type:
Report
System:
The UNT Digital Library
A New Near-Zone Electric Field-Strength Meter
Design and performance of a new near-zone electric field-strength meter.
Date:
November 15, 1966
Creator:
Greene, Frank M.
Object Type:
Report
System:
The UNT Digital Library
Saturated Liquid Densities of Oxygen, Nitrogen, Argon, and Parahydrogen
Integrated tables of pressure, volume, and temperature for the saturated liquid, from the triple point to the critical point, for oxygen, nitrogen, argon, and parahydrogen.
Date:
January 31, 1968
Creator:
Roder, H. M.; McCarty, R. D. & Johnson, V. J.
Object Type:
Report
System:
The UNT Digital Library
X-Ray Wavelength Conversion Tables and Graphs for Qualitative Electron Probe Microanalysis
Tables and graphs constructed for electron probe x-ray spectrometers equipped with crystal changers and calibrated for LiF crystals in angstroms.
Date:
September 25, 1967
Creator:
Heinrich, Kurt F. J. & Giles, Mary Ann M.
Object Type:
Report
System:
The UNT Digital Library
The Band Spectrum of Carbon Monoxide
Compilation of carbon monoxide band positions, molecular constants, energy levels, potential energy curves, and other molecular properties derived from the spectrum.
Date:
July 8, 1966
Creator:
Krupenie, Paul H.
Object Type:
Report
System:
The UNT Digital Library
Hydrogenation of Ethylene on Metallic Catalysts
Catalyzed hydrogenation in the presence of unsupported catalysts, especially of evaporated films of pure metals is discussed.
Date:
1968
Creator:
Horiuti, Juro & Miyahara, Koshiro
Object Type:
Report
System:
The UNT Digital Library
Systems of Electrical Units
Report issued by the U.S. National Bureau of Standards discussing different systems of electrical units. As stated in the introduction, "the various systems of measurement, with their respective sets of units, used in the literature on electricity and magnetism are described in detail" (p. 1). This report includes tables.
Date:
August 1963
Creator:
Silsbee, Francis B.
Object Type:
Report
System:
The UNT Digital Library
Reduction of Data for Piston Gage Pressure Measurements
Report issued by the U.S. National Bureau of Standards discussing piston gage pressure and reducing errors of measurement. Sources of error are described and evaluated in order to "reduce the magnitude of overall error of measurement" (p. 1). This report includes tables, and illustrations.
Date:
June 17, 1963
Creator:
Cross, J. L.
Object Type:
Report
System:
The UNT Digital Library
Report of the Forty-Fifth National Conference on Weights and Measures, 1960
Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date:
December 16, 1960
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Report of the Forty-Seventh National Conference on Weights and Measures, 1962
Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date:
November 23, 1962
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Report of the Forty-Eighth National Conference on Weights and Measures, 1963
Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date:
December 30, 1963
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Bibliography on Molecular and Crystal Structure Models
Report that briefly describes many of the models of crystal and molecular structures which have appeared in the literature, and presents a bibliography of the publications, grouped according to model types, which describe the models in more detail.
Date:
May 20, 1960
Creator:
Smith, Deane K.
Object Type:
Report
System:
The UNT Digital Library
Analytical Standards for Trace Elements in Petroleum Products
Report discussing a search conducted for stable, oil-soluble, organic compounds of metals (and other elements) for use in the spectrographic analysis of petroleum products. Compounds having suitable physical properties have been selected as standards. Methods are given for preparation of the compounds and for the spectrographic and chemical analysis of the chosen standards. Procedures are described for the preparation of stable solutions thereof in petroleum oils.
Date:
October 1, 1962
Creator:
Isbell, H. S.; Tipson, R. Stuart; Hague, J. L.; Scribner, B. F.; Smith, W. Harold; Wade, Clarence W. R. et al.
Object Type:
Report
System:
The UNT Digital Library