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 rise in the popularity of the Internet in the past few years is contributing to a paradigm shift in the way healthcare services will be provided in the U.S
The Advanced Technology Program has a need to understand the preliminary impacts of completed projects and to make an early assessment of the spread and
This paper introduces four new algorithms, the M-algorithm, the L-algorithm, the S-algorithm and the T-algorithm, which enable recognition of distributional
A trust and assurance perspective applies readily to the distribution of digital products over the Internet: It identifies when digital rights remain viable
¿¿¿We have developed a new technology to reduce the cost of Braille-based information accessibility. Millions of blind and visually impaired people in the US
A widely accepted approach to assure that the certified property of a chemical reference material is independent of the method of analysis is to analyze by two
This report describes major programs and accomplishments of the Metallurgy Divison of the NIST Materials Science and Engineering Laboratory (MSEL) in FY2003
The technical activities of the Materials Reliability Division during Fiscal year 1998 are summarized. The Division has eighteen research projects in five
Using acoustic-resonance spectroscopy, we measured the monocrystal elastic-stiffness coefficients, the Voigt Cij, of TiB 2. With hexagonal symmentry, TiB 2
USAXS imaging is a high-contrast imaging techniquebeing developed by NIST researchers. It providesdirect images of the shapes and three-dimensionalarrangement
The meeting showcased combinatorial research and methods development at NIST as applied to materials science problems. The Combinatorial Methodology is a set of
viations of atoms from an average crystal structure caused by structural distortions, chemical ordering, or the presence of defects cause diffuse intensity in
Today's U.S. microelectronics and supporting infrastructure industries are in fierce international competition to design and produce new smaller, lighter
Probe microscopy is a class of techniques used worldwide to characterize properties and structures of materials. The techniques are especially good for
The characterization of polymeric materials certified as NIST Standard Reference Materials, to provide such standards to science and industry, has continued at
This report is a summary and compilation of the test results obtained during the development of the Flawed-Cylinder Burst Test. The Flawed-Cylinder Burst Test
The Materials Reliability Division mission is to develop and disseminate measurement methods and standards enhancing the quality and reliability of materials
This publication is a compilation of 104 documents that were published by staff of the NIST Polymers Division during Calendar year 1999. The documents are in a
Lyle E. Levine, R E. Thomson, Gabrielle G. Long, David R. Black, Richard J. Fields
Finite element modeling of metal forming operations has great potential for decreasing the time and cost of these operations as well as allowing increased
Francis W. Wang, Joseph M. Antonucci, J W. Stansbury
In Part A of this report, the interfacial bonding between resin and filler in dental composites is probed by use of the microdrop bead test in a single fiber
U.S. microelectronics and related industries are in fierce international competition to design and produce smaller, lighter, faster, more functional, and more
This NIST Low Background Infrared (LBIR) Calibration facility has become a national center for the development and dissemination of absolute standards and their
The compilation of the wavelengths of the GeVII spectra is carried out for the NIST Atomic Spectra Data Base on the World Wide Web. This compilation is based on
The two-photon radiative effects are significant quantum electrodynamic correction to the energy levels of hydrogen and deuterium atoms. Calculations of high
A major objective of our research program is the observation of spectra of rare earth elements in support of our program of atomic data measurements for
This special issue of the NIST Journal of Research contains papers from an international workshop on the Applications of High Precision Γ-Spectroscopy held on
NIST researchers have reported a significant extension of the laser technology being developed for optical frequency metrology and optical atomic clocks. While