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 airflow through a 12-vane cascade swirl generator is examined numerically to characterize the inlet combustion air in the reference spray combustion
Willie E. May, Reenie M. Parris, C M. Beck, John D. Fassett, Robert R. Greenberg, Franklin R. Guenther, Gary W. Kramer, Stephen Wise, T E. Gills, Jennifer C. Colbert, R J. Gettings, Bruce S. MacDonald
Standard Reference Materials (SRMs) are certified reference materials (CRMs) issued by NIST that are well-characterized using state-of-the-art measurement
Combining the power of the Internet with state-of-the-art newly emerging international multimedia standards from the International Telecommunications Union (ITU
250-53 NIST Measurement Services: Calibration Service for Spectral Responsivity of Laser and Optical-Fiber Power Meters at Wavelengths Between 0.4 υm and 1.8 υm
The SRM project plans for FY 2000 are summarized by Laboratory (OU) in the following pages of this report. (NOTE - this report can be viewed electronically by
This directory is a guide to laboratory accreditation and similar types of programs conducted by professional and trade organizations. These programs accredit
This document provides detailed information regarding the NVCASE evaluation requirements leading to an organization obtaining NIST recognition as an authorized
Thomas A. Siewert, D P. Vigliotti, L B. Dirling, Christopher N. McCowan
Valid comparison of impact test energies reported by various organizations and over time depends on consistent performance of impact test machines. This paper
Experimental measurements are reported for the thermal conductivity of eight binary and two ternary mixtures containing difluoromethane (R32), pentafluoroethane
CSPP provides the guidance necessary to develop compliant Common Criteria protection profiles for near-term, achievable, security baselines using commercial off
D W. Stroup, Laurean A. DeLauter, Jack C. Lee, G Roadarmel
A series of fire tests were conducted to characterize the potential hazard from ignition of Scotch Pine Christmas trees. Heat release rate was measured as a
Major highway concrete pavements in Iowa have exhibited premature deterioration attributed to effects of ettringite formation, alkali-silica expansive reactions
The 2nd workshop on a National Partnership on Computer-Integrated Knowledge Systems (CIKS) Network for High-Performance Construction Materials and Systems
OMB Circular A-119 requires NIST to report annually to OMB on Federal agency participation in voluntary standards activities. This report also describes
James R. Nechvatal, Elaine B. Barker, Donna F. Dodson, Morris J. Dworkin, James Foti, E Roback
In 1997, the National Institute of Standards and Technology (NIST) initiated a process to select a symmetric-key encryption algorithm to be used to protect
The diffraction limit for lensless imaging, defined as the smallest obtainable point image, is analyzed and compared to the corresponding limit for imaging with