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NIST Authors in Bold

Displaying 9601 - 9625 of 13224

Metallurgy Division 2000 Programs and Accomplishments

January 1, 2001
Author(s)
C A. Handwerker, Robert J. Schaefer
… NIST Materials Science and Engineering Laboratory (MSEL) in FY2000.The mission of the NIST Metallurgy Division is to provide critical leadership in the development of measurement methods, standards, and …

Asymmetric coupled CMOS lines-an experimental study

December 1, 2000
Author(s)
Uwe Arz, Dylan F. Williams, Dave K. Walker, Hartmut Grabinski
… the properties of asymmetric coupled lines built in a 0.25- m CMOS technology over the frequency range of 50 MHz to 26.5 GHz. We …

Precision Measurement of Fundamental Constants Using GAMS4

April 1, 2000
Author(s)
Maynard S. Dewey, Ernest G. Kessler
We discuss the connection of high-energy gamma-ray measurements with precision atomic mass determinations. These rather different technologies, properly combined, are shown to lead to new values for the neutron mass and the molar Planck constant. We then

Assurance Protocols and Small Web Retailers

January 24, 2000
Author(s)
Gordon E. Lyon
… Many Web areas are in an early technological period of rapid evolution and … of small establishments differ from those of larger firms. In particular, customer assurance is very important. Several …

Comparison of Quantum Hall Effect Resistance Standards of the NIST and the BIPM

January 1, 2000
Author(s)
F. Delahay, Thomas J. Witt, Randolph Elmquist, Ronald F. Dziuba
… standards of the National Institute of Standards and Technology (NIST) and of the Bureau International des Poids et Mesures (BIPM) was made in April 1999. Measurements of a 100 ω standard in terms of the recommended value of the von Klitzing …

Pore Scale Modeling of Fluid Transport Using Lattice Boltzmann Methods

October 1, 1999
Author(s)
Nicos Martys, John G. Hagedorn, J E. Devaney
… of the lattice Boltzmann method for modeling fluid flow in complex geometries like porous materials is examined. … and driving force. The potential for modeling flows in other microstructures of interest to concrete technology will be discussed. … International Conference on Ion and Mass Transport in Cement-Based Materials …

High Q Backside Micromachined CMOS Inductors

August 1, 1999
Author(s)
Mehmet Ozgur, Mona E. Zaghloul, Michael Gaitan
… micromachined by using a new post-processing procedure. In this new technique, the inductors are supported … inductors is developed. The results from the model are in good agreement with the measurements. Significant … fully integrated inductors. By using a 1.2 micro υ CMOS technology, quality factor of 10.5 is measured at 4.6 GHz for …

The NIST Length Scale Interferometer

July 23, 1999
Author(s)
John S. Beers, William B. Penzes
… The National Institute of Standards and Technology (NIST) interferometer for measuring graduated length scales has been in use since 1965. It was developed in response to the redefinition of the meter in 1960 from the …

Computer Attacks: What They Are and How to Defend Against Them

May 26, 1999
Author(s)
Peter M. Mell
Although a host of technologies exists to detect and prevent attacks against computers, a human must coordinate responding to a successful network penetration. At the same time, the majority of systems administrators are not prepared to handle a

NIST Reference Radiometry Using Space Station Instrumentation

April 6, 1998
Author(s)
Raju V. Datla, Albert C. Parr, D. B. Pollock, Thomas L. Murdock, E A. Early
… standards from the National Institute of Standards and Technology (NIST) can be carried out to augment the … sensing platforms. The high degree of accuracy achieved in the calibration of sensors in the Midcourse Space Experiment will be reviewed as a proof …

Rayleigh Light Scattering Studies of Turbulent Mixing

October 25, 1993
Author(s)
William M. Pitts
… interest is justified due to the pivotal role it plays in a wide variety of technologically important processes. … of limited hydrocarbon fuel resources, reduction in environmentally harmful pollutants, more efficient … Chemical and Physical Processes in Combustion …

The Language of Tolerances

July 1, 1993
Author(s)
Ted Hopp
… By this measure, the language of tolerances defined in modern standards does not support good communication. Some reasons for this are: the evolution of technology; the lack of research on tolerances prior to the … and a greater need for rigorous product specifications in a computer environment. I discuss the weaknesses of the …

Testbed Development Plan: Validation and Testing System Development

April 1, 1990
Author(s)
Mary Mitchell
… PDES Testbed at the National Institute of Standards and Technology (NIST). The Testbed was initiated in 1988 under the sponsorship of the U.S. Department of … goal of the Testbed is to provide technical leadership in a national effort to implement a complete and useful …

IT Security for Industrial Control Systems: Requirements Specification and Performance Testing

October 28, 2004
Author(s)
Joseph A. Falco, James D. Gilsinn, Keith A. Stouffer
… as these systems are steadily integrated with information technology (IT) solutions to promote corporate connectivity … these issues, the National Institute of Standards and Technology (NIST) is defining and applying standard … is being used to document the results of this effort in the form of Protection Profile security …

IT Security for Industrial Control Systems: Requirements Specification and Performance Testing

May 25, 2004
Author(s)
Joseph Falco, James D. Gilsinn, Keith A. Stouffer
… as these systems are steadily integrated with information technology (IT) solutions to promote corporate connectivity … these issues, the National Institute of Standards and Technology (NIST) is defining and applying standard … is being used to document the results of this effort in the form of Protection Profile security specifications. …

Relationship Between Microstructure and Wear of Dental Ceramics and Composite Resins

February 19, 2017
Author(s)
V S. Nagarajan, S Jahanmir, B Hockey, Victoria Thompson
The effect of microstructure on the wear mechanisms of glass-ceramics and resin composites was studied. Wear tests on both types of materials were conducted using a pin-on-disk apparatus. Wear of glass-ceramics increased with increasing mica platelet

Uncertainty Quantification of Stresses in a Cracked Pipe Elbow Weldment Using a Logistic Function Fit, a Nonlinear Least Squares Algorithm, and a Super-Parametric Method

December 30, 2015
Author(s)
Jeffrey T. Fong, James J. Filliben, Nathanael A. Heckert, Pedro V. Marcal, Robert Rainsberger, Li Ma
… In a 3-part series of papers, of which this paper is Part II, … of a welded pipe elbow with a longitudinal surface crack in one of its welds. (2) The solid-element-based analysis of … (4) The shell-element-based analysis of a barrel vault. In this paper, we develop a two-step method first to estimate …
Displaying 9601 - 9625 of 13224
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