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The Development and Evaluation of Effective Symbol Signs
Report issued by the National Bureau of Standards over the history and development of sign systems in the United States. The research and development of more effective systems are discussed. This report includes tables, and illustrations.
Date:
May 1982
Creator:
Collins, Belinda Lowenhaupt
Object Type:
Report
System:
The UNT Digital Library
Load Displacement Characteristics of Shallow Soil Anchors
Report issued by the National Bureau of Standards over studies conducted on load displacement of shallow soil anchors. Characteristics and testing methods are discussed. This report includes graphs, illustrations, and photographs.
Date:
May 1982
Creator:
Yokel, Felix Y.; Chung, Riley M.; Rankin, Frank A. & Yancey, Charles W. C.
Object Type:
Report
System:
The UNT Digital Library
Investigation of the Kansas City Hyatt Regency Walkways Collapse
Report issued by the National Bureau of Standards documenting investigations conducted on construction failures of two suspended walkways in a Kansas City hotel. It includes tables, illustrations, photographs, and other details of the investigation.
Date:
May 1982
Creator:
Marshall, Richard D.; Pfrang, E. O.; Leyendecker, Edgar V.; Woodward, K. A.; Reed, R. P.; Kasen, M. B. et al.
Object Type:
Report
System:
The UNT Digital Library
Errata Sheet Number 1 for National Bureau of Standards Building Science Series 144, September 1983
Errata sheet for a report issued by the National Bureau of Standards containing corrections to be added to NBS Bulletin 144.
Date:
January 19, 1983
Creator:
Crenshaw, Richard & Clark, Roy E.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Construction Failure of Harbour Cay Condominium in Cocoa Beach, Florida
Report issued by the National Bureau of Standards over investigations of construction failure in Cocoa Beach, Florida. Factors for the construction failure are discussed. This report includes tables, illustrations, and photographs.
Date:
August 1982
Creator:
Lew, H. S.; Carino, N. J.; Fattal, S. G. & Batts, M. E.
Object Type:
Report
System:
The UNT Digital Library
An Evaluation of Thermal Energy Conservation Schemes for an Experimental Masonry Building
Report issued by the National Bureau of Standards over experiments conducted on a masonry building constructed inside an environmental chamber at the NBS. Different climactic conditions were simulated and the thermal response of the building was evaluated. This report includes tables, illustrations, and photographs.
Date:
July 1982
Creator:
Gujral, Parambir S.; Clark, Raymond J. & Burch, Douglas M.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Construction Loads in Multistory Concrete Buildings
Report issued by the National Bureau of Standards over construction loads of multistory concrete buildings. Evaluations of the construction loads are discussed. This report includes illustrations, and photographs.
Date:
February 1983
Creator:
Fattal, S. G.
Object Type:
Report
System:
The UNT Digital Library
Performance Criteria for Solar Heating and Cooling Systems in Residential Buildings
Report issued by the National Bureau of Standards over solar heating and cooling systems in residential buildings. The performance criteria for solar systems are discussed. This report includes illustrations.
Date:
September 1982
Creator:
United States. Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Construction Failure of Reinforced Concrete Cooling Tower at Willow Island, West Virginia
Report issued by the National Bureau of Standards over investigation of the collapse of a concrete cooling tower on Willow Island, West Virginia. Results of field, and laboratory tests are discussed. This report includes tables, illustrations, and photographs.
Date:
September 1982
Creator:
Lew, H. S.; Fattal, S. G.; Shaver, J. R.; Reinhold, T. A. & Hunt, B. J.
Object Type:
Report
System:
The UNT Digital Library
Tables of the Exponential Function e [Superscript X]
Report presenting the fourth edition of the tables of the exponential function e(superscript x). Further indistinct numerals have been cleared up and several values have been adjusted to 2552 decimal places to conform to accuracy standards.
Date:
1962
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Construction and Applications of Conformal Maps. Proceedings of a Symposium Held on June 22-25, 1949, at the Institute for Numerical Analysis of the National Bureau of Standards at the University of California, Los Angeles
Report presented on the topic of conformal mapping and the use of equations in machines. 32 topics from a symposium are provided.
Date:
1952
Creator:
Institute for Numerical Analysis (U.S.)
Object Type:
Report
System:
The UNT Digital Library
Tables of the Bessel functions Yo(x), Y1(x), Ko(x), 0<=x<=1
Report presenting tables for certain Bessel functions.
Date:
1960
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Tables of the Confluent Hypergeometric Function F(n/2, 1/2; X) and Related Functions
Report presenting tables of the confluent hypergeometric function and some related functions. Information regarding the scope of tables, analytical properties, and approximations are provided.
Date:
1949
Creator:
United States. National Bureau of Standards. Computation Laboratory.
Object Type:
Report
System:
The UNT Digital Library
Table of Sine and Cosine Integrals for Arguments From 10 to 100
Report presenting tables and sine and cosine integrals for a variety of waves.
Date:
1954
Creator:
United States. National Bureau of Standards. Computation Laboratory.
Object Type:
Report
System:
The UNT Digital Library
Handbook of Mathematical Functions With Formulas, Graphs, and Mathematical Tables
A handbook of mathematical functions that is designed to provide scientific investigations with a comprehensive and self-contained summary of the mathematical functions that arise in physical and engineering problems.
Date:
December 1972
Creator:
Abramowitz, Milton & Stegun, Irene A.
Object Type:
Report
System:
The UNT Digital Library
Handbook of Mathematical Functions With Formulas, Graphs, and Mathematical Tables
A handbook of mathematical functions that is designed to provide scientific investigations with a comprehensive and self-contained summary of the mathematical functions that arise in physical and engineering problems.
Date:
November 1967
Creator:
Abramowitz, Milton & Stegun, Irene A.
Object Type:
Report
System:
The UNT Digital Library
Lectures on Modular Forms
Report consisting of an expository account of the theory of modular forms and its application to number theory and analysis.
Date:
1969
Creator:
Lehner, J. (Joseph), 1912-
Object Type:
Report
System:
The UNT Digital Library
Sound Insulation of Wall and Floor Constructions
Report presenting the results of sound-transmission measurements made on a number of types of sound insulating construction.
Date:
1940
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
National Bureau of Standards Research Reports: Summer 1987
Summary describing research projects and other activities undertaken by the U.S. National Bureau of Standards, lists of publications from the year, and a calendar of upcoming events.
Date:
October 26, 1987
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Proceedings of the Conference on Accreditation of Construction Materials Testing Laboratories: 1986
Abstract: A two-day Conference hosted by NBS was held in Gaithersburg, Maryland on May 14-15, 1986 to test the hypothesis that "There is a need for a coordinated methodology for accrediting construction materials testing laboratories." Construction materials include primary materials such as: cement, concrete, aggregates, rock and soil, asphalts, metals, wood and masonry. The Conference was structured to consider: (1) the status of existing laboratory evaluation and accreditation programs; (2) current trends in the accreditation process; and (3) the need for and nature of a coordinated accreditation system. The Conference included the presentation of invited papers and four workshop sessions.
Date:
November 1987
Creator:
Pielert, James H. & Spring, Curtis B.
Object Type:
Report
System:
The UNT Digital Library
Computerization of Welding Information
From abstract: The Workshop on Computerization of Welding Information, sponsored by the National Bureau of Standards and the American Welding Institute, was held August 5-6, 1986 in Knoxville, Tennessee. Forty-two welding engineers, welding managers, and computer scientists gathered to discuss the necessity and design of databases for welding information. Each subject was introduced by specialists in that area.
Date:
June 1988
Creator:
Siewert, T. A. & Jones, J. E.
Object Type:
Report
System:
The UNT Digital Library
Input Impedance of a Probe Antenna Exciting a TEM Cell
Abstract: The input impedance of a probe antenna exciting a transverse electromagnetic (TEM) transmission line cell is formulated by a variational approach. The formulation also utilizes the results from a previous work on the field distribution inside a TEM cell excited by a vertical electrical Hertzian dipole. The final result of imoedance is shown to consist of two distinct terms, which are respectively contributed by the ordinary rectangular waveguide and the gap perturbation. Numerical results for both the real and imaginary parts of the impedance are given. The resistive part is found to be proportional to the square of the probe length, and the reactive part largely capacitive.
Date:
April 1982
Creator:
Wilson, Perry F.; Chang, David C. & Ma, Mark T.
Object Type:
Report
System:
The UNT Digital Library
Picosecond Time Difference Measurements Utilizing CAMAC-Based ANSI/IEEE-488 Data Acquisition Hardware : Operating Manual IE3, Version 1.0
Abstract: Automated time-difference measurements at the picosecond level have been achieved. The system described combines the best properties of three common methods: the single heterodyne measurement technique, the frequency divider, and the dual-mixer time-difference measurement system. This particular system combines two instrumentation standards, ANSI/IFEE-583 and ANSI/IEEE-488 with new, modular dual-mixer time-difference measurement hardware. The modular, standardized hardware together with the new measurement techniques permit the data acquisition modules to be contained in a standard CAMAC crate. This system, along with an external controller, is capable of measuring eiqht clocks, at the present time, and is expandable to twenty-four clocks with modified software and additional measurement modules. The system noise performance is described by a (rT = 3 x 10^-12 t^-1 for time difference measurements.
Date:
August 1983
Creator:
Glaze, D. J. & Stein, S. R.
Object Type:
Report
System:
The UNT Digital Library
An Electric and Magnetic Field Sensor for Simultaneous Electromagnetic Near-Field Measurements -- Theory
Abstract: This paper describes the theory of a single sensor to perform simultaneous electric and magnetic near-field measurements. The theory indicates that it is possible to obtain the magnetic-loop and electric-dipole currents using a loop terminated with identical loads at diametrically opposite points. The theory also indicates that it is possible to obtain an ideal load impedance for achieving equal electric and magnetic field responses of the loop. Preliminary experiments have been performed using plane waves to verify these results. Key words: electric field, electromagnetic interference, electromagnetic radiation, loop, magnetic field, near fields.
Date:
April 1983
Creator:
Kanda, Motohisa
Object Type:
Report
System:
The UNT Digital Library