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NIST Authors in Bold

Displaying 12551 - 12575 of 13226

Isotopic Metrology of Carbon Dioxide. II. Effects of Ion Source Materials, Conductance Emission, and Accelerating Voltage on Dual-Inlet Cross Contamination

June 1, 2003
Author(s)
R M. Verkouteren, S Assonov, D Klinedinst, W Brand
… instruments at the National Institute of Standards and Technology (NIST) and the Max-Planck-Institute for Chemistry … and different settings of ion source conductance resulted in delta- 13C shifts of about 0.004% per 1% measurement … reference, a five-fold improvement. No significatn changes in machine performance were observed after a month of use. …

Self-Adaptive Leasing for Jini

March 1, 2003
Author(s)
K Bowers, Kevin L. Mills, Scott W. Rose
… by which components can detect and recover from failures in remote, collaborating components. Many protocols for … the number of leaseholders. We investigate these issues in the context of Jini Network Technology, a service-discovery protocol created by Sun …

Fire Safety of Passenger Trains, Phase II: Application of Fire Hazard Analysis Techniques

December 1, 2002
Author(s)
Richard D. Peacock, Paul A. Reneke, Jason D. Averill, Richard W. Bukowski, J H. Klote
… 1993 study by the National Institute of Standards and Technology (NIST) was that the use of fire hazard assessment … The results of the research program will assist the FRA in determining appropriate fire safety requirements for the …

The NIST Data Gateway: Providing Easy Access to NIST Data Resources

October 1, 2002
Author(s)
D M. Blakeslee, Angela Y. Lee, A J. Belsky
… The National Institute of Standards and Technology (NIST) maintains a wide range of scientific and … are provided so they can access or order that resource. In this paper, we describe how Version 1.0 of the NIST Data …

The New Beamline 3 at SURF III for Source-Based Radiometry

March 1, 2002
Author(s)
Ping-Shine Shaw, D A. Shear, R Stamilio, Uwe Arp, Howard W. Yoon, Robert D. Saunders, Albert C. Parr, Keith R. Lykke
… (SURF III) at the National Institute of Standards and Technology provides a unique opportunity for high-accuracy UV to infrared radiometry due to the 70-fold improvement in the uniformity of the magnetic field from the previous … standard light source for source intercomparison. In contrast to the widely used blackbody source where the …

Wide-Field X-Ray Microscopy with Kirkpatrick-Baez Optics

December 1, 2001
Author(s)
Terrence J. Jach, S M. Durbin, A S. Bakulin, David S. Bright, C B. Stagarescu, G Srajer, D. Haskel, J Pedulla
… Modern technology permits us to fabricate Kirkpatrick-Baez (KB) … constructed a KB field-imaging microscope which operates in the x-ray energy range 6-10 keV with a field of view of 40 … real-time imaging with a CCD x-ray camera, with increases in field of view and resolution at this energy due to …

Dedication to Richard D. Deslattes

November 1, 2001
Author(s)
Ernest G. Kessler, Gabrielle G. Long
… On May 16, 2001, the National Institute of Standards and Technology lost a most illustrious career scientist in x-ray research. This volume is dedicated to honor the … his lifetime of achievments at NIST. Deslattes' research in precision metrology, interferometry, and x-ray …

Acoustic Measurements in Gases, Chapter 10

September 15, 2001
Author(s)
Michael R. Moldover, Keith A. Gillis, John J. Hurly, J B. Mehl, J Wilhelm
… developed at the National Institute of Standards and Technology (NIST) are routinely used to measure the speed of sound in gases with uncertainties of 0.01% or less. The pressure … replacement refrigerants, helium-xenon mixtures used in thermoacoustic machinery, and very reactive gases used in …

History of the Symposium on Thermophysical Properties

June 1, 2001
Author(s)
William M. Haynes, Jan V. Sengers, R. T. Jacobsen, Daniel G. Friend
… Properties represents a series of conferences that started in 1959 at Purdue University, which at the that time was the … of the Symposium; the National Institute of Standards and Technology provides institutional support and sponsorship of … 1959, with the Fourteenth Symposium held most recently in 2000 at the University of Colorado, Boulder, Colorado. The …

Trioxane-Air Counterflow Diffusion Flames in Normal and Microgravity

May 22, 2001
Author(s)
Gregory T. Linteris, M D. Rumminger, D L. Urban
… the first exploratory tests of trioxane combustion in the counterflow configuration to determine its potential … allows detailed modeling. The experiments were performed in the spring and summer of 1998 at the National Institute of Standards and Technology in Gaithersburg, MD, and at NASA-GRC in Cleveland. …

Chapter 12, Acoustic Measurements in Gases: Applications to Thermodynamic Properties, Transport Properties, and the Temperature Scale

January 1, 2001
Author(s)
Michael R. Moldover, Keith A. Gillis, John J. Hurly, J B. Mehl, J Wilhelm
… developed at Niational Institute of Standards and Technology (NIST) are routinely used to measure the speed of sound in gases with uncertainties of 0.01%, or less. The pressure … replacement refrigerants, helium-xenon mixtures used in thermoacoustic machinery, and very reactive gases used in …

Effect of Straining Rate on the Mechanical Behavior of Adhesive Bonds Under Shear Deformation

January 1, 2001
Author(s)
H Chai, Martin Chiang, Carl R. Schultesiz
… The mechanical behavior of adhesive bonds is of interest in a variety of technological applications, including … bonds, laminated structures and composite materials. In this work, the stress strain response of adhesive bonds … across the bond to shear strain. Utilizing this output in a closed-loop routine, the actual strain rate in the …

The Application of Optical Coherence Tomography to Problems in Polymer Matrix Composites

January 1, 2001
Author(s)
Joy Dunkers, Frederick R. Phelan Jr., D P. Sanders, M J. Everett, William H. Green, Donald L. Hunston, Richard~undefined~undefined~undefined~undefined~undefined Parnas
… Group at the National Institute of Standards and Technology has found optical coherence tomography (OCT) to be … technique that can be applied to a variety of problems in polymer composites such as: microstructure determination … laser with a fiber optic based Michelson interferometer. In this configuration, the composite is the fixed arm of the …

High Temperature Materials for Thin-Film Thermocouples on Silicon Wafers

November 1, 2000
Author(s)
Kenneth G. Kreider, John G. Gillen
… calibration wafer for radiometric temperature measurements in rapid thermal processing (RPT) tools for semiconductor … by the sensors. The National Institute of Standards and Technology (NIST) calibration wafer also employs … to achive a combined standard uncertainty of 0.4 C in the temperature measurement of the thin-film thermocouples …

Rotating-Wheel Braille Display for Continuous Refreshable Braille

May 1, 2000
Author(s)
John W. Roberts, Oliver T. Slattery, D W. Kardos
… The increasingly pervasive influence of information technology on daily life makes accessibility a higher … before. Millions of blind and visually impaired people in the US (and far higher numbers worldwide) need some form … convenience and repetitive stress injuries.Our objective in undertaking this project was to find a new approach to …

Grating Pitch Measurements With the Molecular Measuring Machine

November 1, 1999
Author(s)
John A. Kramar, Jay S. Jun, William B. Penzes, Fredric Scire, E C. Teague, John S. Villarrubia
… At the National Institute of Standards and Technology, we are building a metrology instrument called the … could uniquely address certain dimensional metrology needs in the data storage industry. …

Long Polymerase Chain Reaction (PCR) for Variable Number of Tandem Repeats (VNTR) Analysis

November 1, 1999
Author(s)
Kristy L. Richie, M D. Goldsborough, M M. Darfler, E A. Benzinger, M L. Lovekamp, D J. Reeder, C D. O'Connell
… is often the analytical method of choice for DNA profiling in forensic laboratories. RFLP methods, while requiring … 1-20 ng of Chelex-extracted DNA, and amount commonly used in Amp-FLP technology. The robustness of Long PCR in comparison to RFLP …

The Seventh Text REtrieval Conference (TREC-7)

July 1, 1999
Author(s)
Ellen M. Voorhees, Donna K. Harman
… of the seventh Text REtrieval Conference (TREC-7) held in Gaithersburg, Maryland, November 9-11, 1998. The … co-sponsored by the National Institute of Standards and Technology (NIST) and the Defense Advanced Research Projects … how differences between systems affected performance. In addition to the main evaluation, seven additional …

Modelling Service Life and Life-Cycle Cost of Steel-Reinforced Concrete

May 1, 1999
Author(s)
G J. Frohnsdorff
… overcome. Economic models for the life-cycle costing are in place and ready to use with service life models as they … model could and should be developed and standardized in the short term, with a more scientific model being a … in ASTM. NIST's Partnership for High-Performance Concrete Technology would contribute to the development of models, …

Application of Laser Feedback Metrology to a Hexapod Test Strut

October 1, 1998
Author(s)
M Schmidt-Lange, E Amatucci, Albert J. Wavering
… machine installed at National Institute of Standards and Technology (NIST) (Figure 1). Strut laser feedback metrology … duplicates one of the Hexapod's struts but is positioned in a test stand. The Octahedral Hexapod machine is based on a … This configuration has significant disadvantages in measuring strut length due partly to leadscrew errors, …

The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers

September 1, 1998
Author(s)
E A. Thompson, B. Carol Johnson, P Disterhoft, D Wardle, E Wu, J Ehramjian, J Tusson, T Mestechkina, M Beaubian, J Gibson, D Hayes, J DeLuisi, E A. Early, W Mou
… ozone depletion has prompted several government agencies in North America to establish networks of spectroradiometers … was coordinated by the National Institute of Standards and Technology (NIST) and the Science Foundation; the Smithsonian … and for all the lamps the spectral irradiance in the horizontal position was lower than that in the …

Aerodynamic Databases and Electronic Standards for Wind Loads: A Pilot Application.

August 1, 1998
Author(s)
Emil Simiu, John Lin, T M. Whalen, D Surry
… As part of ongoing National Institute of Standards and Technology research on the development of a new generation of … of wind-induced bending moments and shear forces in low-rise building frames. We use records of wind pressure … measured at a large number of taps on the building surface in the Boundary Layer Wind Tunnel of the University of …
Displaying 12551 - 12575 of 13226
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