U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIST Pubs

Personal Identification From Mugshot Ear Images

Author(s)
F E. McFadden
This work establishes the high value of ear images for personal identification from mugshot data, using the NIST database of police mugshots. It starts with a...

Spectral Reflectance

Author(s)
P Y. Barnes, Albert C. Parr, E A. Early
This document describes the instrumentation, standards, and techniques used to measure spectral reflectance over the ultraviolet, visible, and near infrared...

Accurate Ab Initio Calculation of Molecular Constants

Author(s)
Svetlana A. Kotochigova, I Tupitsyn
The valence bond method and advanced computational technique are used to perform all-electron ab initio calculations of the electronic structure of diatomic...

Workspace Variation of a Hexapod Machine Tool

Author(s)
J Conti, C Clinton, Li Zhang, Albert J. Wavering
A method is presented to evaluate the workspace variation of a Stewart platform based machine tool. Three sets of constraints, covering strut lengths, platform...

Small Angle Scattering by Dislocations

Author(s)
R Thomson, Lyle E. Levine, Gabrielle G. Long
It is shown that the small-angle scattering of x rays or neutrons by dislocations in a deformed metal, which are partially ordered into wall-like structures, is...

Hyperfine Structure Constants for Diatomic Molecules

Author(s)
I Tupitsyn, Svetlana A. Kotochigova
The contact term A c of magnetic hyperfine parameters as a function of internuclear distance R was computed, using the all-electron Valence-Bond method, Hartzee...

Aircraft Cargo Area Fire Detection (NISTIR 6146)

Author(s)
D Blake, J O'Sullivan, S Hammann, M L. Kolleck, Thomas Cleary
Overviews of fire deteciton in aircraft cargo areas were presented by David Blake of the Federal Aviation Administration, John O'Sullivan of British Airways...

Information Security and the World Wide Web (WWW)

Author(s)
Shirley M. Radack
This bulletin discusses some of the vulnerabilities and threats to information security that organizations may experience in their use of the Internet and the...
Was this page helpful?