An official website of the United States government
Here’s how you know
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.
The NFPA 2001 standard on the use of clean agents for the suppression of fires arose from the phase-out of Halon 1301. Standard methods exists for specifying...
Rafael L. Bowen, Gary E. Schumacher, Clifton M. Carey, Anthony A. Giuseppetti, Kathleen M. Flynn, Charles M. Guttman
Objectives. Based on extensive literature research and molecular modelingresults, the hypothesis was that Beta-Cyclo Dextrin (BCD), containing 21 hydroxyl...
Edward F. Kelley, Karl Lang, Louis D. Silverstein, Michael H. Brill
A standard methodology exists for estimating the flux from front projection displays by sampling the projected illuminance of a white source signal. With the...
Christina D. Cross, Dean C. Ripple, Gregory F. Strouse
Liquid-in-glass thermometers are pervasive in use throughout industry and provide a convenient method for measuring temperature over for a broad range of...
Crystallographic texture has for many years been the fiefdom of metallurgists and geologists, who have developed elegant methodologies for the analysis of...
Project 25 (P25) is a standards development process for the design, manufacture and evaluation of interoperable digital two-way wireless communications products...
Michael D. Frenkel, Robert D. Chirico, Chris Muzny, Andrei F. Kazakov, Eric Lemmon, Vladimir Diky
TheroData Engine (version 3.0) is expert-system software that implements the dynamic data evaluation concept for binary mixtures of molecular compounds...
Evacuation models, including engineering hand calculations and computational tools, are used to evaluate the level of safety provided by buildings during...
This paper describes architectures for securely injecting secret keys onto smart cards. Specifically, this paper details key injection architectures based on...
This report contains the results of NIST s research into technologies to improve the voting process for United States citizens living overseas. It splits the...
This bulletin summarizes information disseminated in NIST Special Publication (SP) 800-115, Technical Guide to Information Security Testing and Assessment...
The SRM Spotlight is a newsletter published by the Measurement Services Division for users of NIST standard reference materials. The Spotlight announces new...
Ian M. Soboroff, Peter Bailey, Nick Craswell, Arjen de Vries
The goal of the enterprise track is to conduct experiments with enterprise data that reflect the experiences of users in real organizations. This year, the...
The goal of the Blog track is to explore the information seeking behaviour in the blogosphere. It aims to create the required in- frastructure to facilitate...
Joshua Lubell, Betty Harvey, Puja Goyal, Katherine C. Morris
The NDRProfile schema provides a common syntax for exchanging, managing, and reusing XML Schema naming and design rules (NDRs). NDRProfile, used by NIST's...
Christopher Meyer, Joseph Hodges, Peter H. Huang, W. Wyatt Miller, Dean Ripple, Gregory E. Scace
We describe here the calibration of customer hygrometers using a new humidity generator that has been commissioned at the National Institute of Standards and...
Comparison calibrations of microphones based on the reciprocity method are performed with both the microphone under test and a reference standard microphone...
The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and ``Other'' questions organized around a...
This report constitutes the proceedings of the 2007 Text REtrieval Conference, TREC 2007, held in Gaithersburg, Maryland November 6-9, 2007. TREC 2007 is the...
William I. MacGregor, Ketan Mehta, David Cooper, Karen Scarfone
This document provides best practice guidelines for integrating the PIV Card with the physical access control systems (PACS) that authenticate the cardholders...
This report provides technical documentation of how NIST reconstructed the effects of the events on September 11, 2001 on WTC 7. This includes how the fires...
Sivaraj Shyam-Sunder, Richard G. Gann, William L. Grosshandler, Hai S. Lew, Richard W. Bukowski, Fahim Sadek, Frank W. Gayle, John L. Gross, Therese P. McAllister, Jason D. Averill, James R. Lawson, Harold E. Nelson, Stephen A. Cauffman
This report describes how the fires that followed the impact of debris from the collapse of WTC 1 (the north tower) led to the collapse of WTC 7; an evaluation...
This bulletin summarizes information disseminated in NIST Special Publication (SP) 800-121, Guide to Bluetooth Security: Recommendations of the National...
This report analyzes the global response of WTC 7 to fire-induced structural failures and the resulting sequence of component and subsystem failures to...