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.
S Bird, D Day, John S. Garofolo, J Henderson, Christophe Laprun, M Liberman
We describe a formal model for annotating linguistic artifacts, from which we derive an application programming interface (API) to a suite of tools for
S R. Kueh, Richard~undefined~undefined~undefined~undefined~undefined Parnas, Joy Dunkers, S G. Advanti, P S. Furrows, M E. Jones, T A. Bailey
One of the most important issues in liquid composite molding (LCM) is the complete saturation of the preform by the resin to eliminate voids or dry spots in the
NIST develops Standard Reference Materials for calibration, quality assurance and research into improved measurements. Two fluid standards are being developed
Erich N. Grossman, James A. Chervenak, Kent D. Irwin, Carl D. Reintsema
A new generation of ultra-low power bolometer arrays is under development for low background infrared astronomy. This paper describes radiometric measurements
D. R. Shelly, T. W. Garrison, M. Beck, David H. Christensen
We have measured the correlations between the two orthogonal linearly polarized outputs of a pulsed vertical-cavity, surface-emitting laser and found them to be
Carl D. Reintsema, Joseph R. Kinard Jr., Thomas E. Lipe Jr.
This paper describes the design, realization, and testing of a high-temperature superconducting (HTS) transmission line structure for delivering calibrated dc
Thomas R. Kramer, Hui-Min Huang, Elena R. Messina, Frederick M. Proctor, Harry A. Scott
This paper describes an automated hierarchical process planning system for machining and inspecting discrete parts in an RCS type control system. The system
Equating mechanical to electrical power links the kilogram, the meter, and the second to the practical realizations of the ohm and the volt derived from the
Paul E. Stutzman, Germain Lespinasse, Stefan D. Leigh
Certification of the phase compositions of the NIST Reference Clinkers often is based upon more than one independent method. The current certificate values were
Edward J. Garboczi, Dale P. Bentz, G J. Frohnsdorff
The computational materials science of concrete has developed rapidly in the last 15 years. This development has been strongly tied to the even more rapid
Michael Kennedy, Matthew A. Davies, Howard W. Yoon, Timothy J. Burns
A critical parameter in predicting tool wear during machining and in accurate computer simulations of machining is the spatially-resolved temperature at the
Virtual objects in a web-based environment can be interfaced to and controlled by external real world controllers. A Virtual Reality Modeling Language (VRML)
This paper describes the testing methodology used in ANSI C efficiency testing of the Round 2 Candidates for the Advanced Encryption Standard, along with a few
This paper is a proposal for conducting a Special Interest Group (SIG) at the CHI2000 Conference. The focus of the meeting will be the use of the Common
Lawrence H. Bennett, Richard M. Waterstrat, L Swartzendruber, H J. Brown, R E. Watson
The Zr 3(Rh 1-yPd y) 4 system in the Pu 3Pd y) 4 structure, which has been reported on previously, is further investigated here. It exhibits an incommensurate
We have developed a time-domain reflectometry (TDR) technique to measure the dielectric permittivity of high dielectric constant films. The test specimen
A methodology to characterize nanoporous thin films based on a novel combination of high resolution specular x-ray reflectivity and small angle neutron
Timothy M. Jung, Adriaan C. Carter, Steven R. Lorentz, Raju V. Datla
An infrared transfer radiometer has been recently developed for the Low-Background Infrared Calibration (LBIR) facility at the National Institute of Standards
Adriaan C. Carter, Steven R. Lorentz, Timothy M. Jung, Beverly Klemme, Raju V. Datla
The capability of the Low Background Infrared (LBIR) facility at the National Institute of Standards and Technology to spectrally calibrate infrared detectors
Kenneth G. Kreider, D P. DeWitt, Christopher W. Meyer, Vincent P. Scheuerman
We are developing an instrumented calibration wafer for radiometric temperature measurements in rapid thermal processing (RTP) that uses Pt/Pd wire and noble
This paper describes work within the NIST Text REtrieval Conference (TREC) over the last three years in designing and implementing evaluations of Spoken
We summarize measurement results on many polymer, ceramic, and composite substrate and packaging materials. Measurements on low-loss materials are obtained from