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.
E A. Early, Christopher L. Cromer, X Xiong, D J. Dummer, Thomas R. O'Brian, Albert C. Parr
The Optical Technology Division of the National Institute of Standards and Technology has developed a new reference densitometer for measuring visual diffuse
Winnie K. Wong-Ng, Lawrence P. Cook, Anthony J. Kearsley, W Greenwood
Both liquidus and subsolidus phase equilibrium data are of central importance for applications of high temperature superconductors in the (Bi,Pb)-Sr-Ca-Cu-O
The National Institute of Standards and Technology (NIST) interferometer for measuring graduated length scales has been in use since 1965. It was developed in
Jiann C. Yang, Michelle K. Donnelly, William L. Grosshandler, N C. Prive
The design, construction, demonstraion and operation of a bench-scale device capable of screening the fire suppression efficiency of liquid agents are described
Tinh Nguyen, Charles C. Han, Richard R. Cavanagh, R Ryntz
The interface/interphase region plays a fundamental role in a wide range of polymeric materials and systems such as polymer blends and alloys, nanocomposites
This report constitutes the proceedings of the seventh Text REtrieval Conference (TREC-7) held in Gaithersburg, Maryland, November 9-11, 1998. The conference
This report describes the World Trade Organization (WTO) Agreement on Technical Barriers to Trade (TBT Agreement) activities conducted by the National Institute
This publication summarizes the status of the technical infrastructure for conformity assessment in the Americas. It provides information about inspection and
We analyze the effects of the large capacitances-to-shields existing in all sample probes on measurements of the ac quantized Hall resistance R H. The object of
The air flow through a vane-cascade swirl generator is examined both experimentally and numerically to characterize the inlet combustion air flow entering a
A follow-on to Measures for Progress by Rexmond C. Cochrane, this work covers the history of the National Bureau of Standards (NBS) from 1950-1969. While the
Jeffrey W. Gilman, Takashi Kashiwagi, Marc R. Nyden, Richard H. Harris Jr.
The results of a two year research project carried out with the "New Flame Retardants Consortium" are reported. This investigation into the flame retardant
Edelsbrunner and Shah have proven that incremental topological flipping works for constructing a regular triangulation for a finite set of weighted points in d
Given a planar triangulation, the goal is to select elevations at its vertices so that resulting piecewise-linear triangulated surface approximates specified
P J. Phillips, Alice J. O'Toole, Y Cheng, B Ross, H A. Wild
We assessed the qualitative accord between several automatic face recognition algorithms and human perceivers. By comparing model- and human-generated measures
This study provides a framework for determining optimal prices and production plans for a welfare-maximizing public enterprise that producesmultiple goods
The freezing point of tin (231.928 degrees C) is a defining fixed point of the International Temperature Scale of 1990 (ITS-90). Realization of this freezing
A primary objective of any process of photography, electronic publishing, or printing is to reproduce all colors as perfectly as possible. A good starting point
Geoffrey B. McFadden, Sam R. Coriell, R F. Sekerka
In previous work, we found approximate solutions for paraboloids having perturbations with four-fold axial symmetry in order to model dendritic growth in cubic
An equation determining the steady-state profile of a liquid meniscus advancing or receding across a heated plate is derived. The effects of liquid evaporation
The development and maintenance of an economy's standards and conformance technical infrastructure is critical to its economic health. By increasing the
Magdalena Navarro, Sally Bruce, B. Carol Johnson, A V. Murthy, Robert D. Saunders
Blackbody sources with nearly unity emittance that are in equilibrium with a pure freezing metal such as gold, silver, or copper are used as primary standard
This report documents the selection of material, the certification procedure and its control, and the analysis of measurement uncertainty for a family of new
Anthony D. Putorti Jr., T D. Belsinger, W H. Twilley
In order to characterize the water spray from a standard orifice,pendent spray sprinkler, measurements were made using an optical array probe droplet analyzer
Although a host of technologies exists to detect and prevent attacks against computers, a human must coordinate responding to a successful network penetration
James A. St Pierre, Curtis H. Parks, Bryan C. Waltrip
This report provides an overview of a recent workshop held at NIST in Gaithersburg, July 15-17, 1999, on Electronic Commerce of Component Information. The
This document provides comprehensive information about the LEIDIR prototype automatic hypertext generation system, developed by the National Institute of