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Displaying 16801 - 16825 of 17291

Virial Coefficients of Pure Gases

August 1, 2002
Author(s)
J H. Dymond, K N. Marsh, R C. Wilhoit, K C. Wong, Michael D. Frenkel
… Texas and now located at the National Institute of Standards and Technology, Boulder, Colorado. The virial …

Phase-Coherent Synthesis of Optical Frequencies and Waveforms

June 1, 2002
Author(s)
Jun Ye, Steven T. Cundiff, S M. Foreman, T M. Fortier, John L. Hall, K W. Holman, D J. Jones, J D. Jost, H C. Kapteyn, K A. Leeuwen, L -. Ma, M M. Murnane, J L. Peng, R K. Shelton
Precision phase control of an ultrawide-bandwidth optical-frequency comb has produced remarkable and unexpected progress in both areas of optical-frequency metrology and ultrafast optics. A frequency comb (with 100 MHz spacing) spanning an entire optical

The 1.27 m O 2 Continuum Absorption in O 2 /CO 2 Mixtures

December 1, 2001
Author(s)
Gerald T. Fraser, Walter J. Lafferty
The collision-induced, near-infrared O 2 continuum band overlapping the weak α 1δg - X 3ς- g, v=O -0, 1.27 m discrete band of O 2 has been investigated in O 2/CO 2 mixtures at room temperature (T=296 K) for total densities from 1.8 to 9.3 times that of an

Interfacial Shear Strengths of Dental Resin-Glass Fibers by the Microbond Test

November 1, 2001
Author(s)
Walter G. McDonough, Joseph M. Antonucci, Joy Dunkers
In this study, the feasibility of using the microbond test (MBT) to probe the durability of the bond between a dental resin with differently silanized E-glass fibers was investigated. The E-glass fibers were silanized with equivalent amounts of two types

Atomic Spectroscopy at NIST 2001

June 1, 2001
Author(s)
Joseph Reader
The program in atomic spectroscopy at NIST continues to provide accurate reference data on spectral lines and energy levels for a wide variety of important applications. With spectrometers at NIST that can record spectra from the extreme ultraviolet (1 nm)

Jim Zimmerman and the SQUID

March 1, 2001
Author(s)
Richard L. Kautz
… of his career, at Ford and later at the National Bureau of Standards, to the further development of the SQUID and its …

Toxic Yield

January 7, 2001
Author(s)
William M. Pitts
… in fires were poorly understood, the National Institute of Standards and Technology initiated an investigation of CO …

Using Intelligent Agents to Assess Pervasive Computing Technologies

January 1, 2001
Author(s)
L P. Ciarletta, Alden A. Dima, V P. Iordanov
Pervasive Computing (a.k.a. Ubiquitous or Ambient Computing) is a new field of computer science generally considered to lie at the intersection of desktop computing, networking, and embedded systems. Related to pervasive computing are Intelligent

A Web-Based Process/Material Advisory System

November 1, 2000
Author(s)
Y Chen, Satyandra K. Gupta, Shaw C. Feng
This paper describes a web-based process/material advisory system that can be used during conceptual design. Given a set of design requirements for a part during conceptual design stage, our system produces process sequences that can meet the design

Polymer Composites for Repairing of Portland Cement Concrete: Compatibility Project

November 1, 1999
Author(s)
L Czarnecki, A Garbacz, P Lukowski, J R. Clifton
The impetus for this project has been the continuing deterioration of, and the necessity to repair, a large stock of concrete structures. A two-component system, portland cement concrete (substrate) in contact with a polymer composite (repair) is produced

Frequency-Dependent Viscosity of Xenon Near the Critical Point

October 1, 1999
Author(s)
Robert F. Berg, Michael R. Moldover, G A. Zimmerli
We used a novel, overdamped oscillator aboard the Space Shuttle to measure the viscosity Η of xenon near its critical density ρ c and temperature T c. In microgravity, useful data were obtained within 0.1 mK of T c, corresponding to a reduced temperature t

NIST Response to MES Request for Information

September 1, 1999
Author(s)
Edward J. Barkmeyer Jr., Peter O. Denno, Shaw C. Feng, Evan K. Wallace, Albert T. Jones
… This is a response from the National Institute of Standards (NIST) to OMG's Request for Information concerning …

Volume 4, The 1997 Prelaunch Radiometric Calibration of Sea WiFS

April 1, 1999
Author(s)
Bettye C. Johnson, Howard W. Yoon, Sally S. Bruce, Ping-Shine Shaw, E A. Thompson, S B. Hooker, R Eplee, R Barnes, S Maritorena, J Mueller
… launch, the Sea WiFS Project and the National Institute of Standards and Technology (NIST) undertook a second …

Anisotropic Microstructure of Plasma-Sprayed Deposits

April 1, 1998
Author(s)
J Ilavsky, Gabrielle G. Long, Andrew J. Allen, L Leblanc, M Prystay, C Moreau, Alan H. Band
The microstructure of plasma-sprayed deposits [PSD] is dominated by two void systems-interlamellar pores and intralamellar cracks - each with a different anisotropy. Varying anisotropies and crack-to-pore ratios within PSDs are responsible for the
Displaying 16801 - 16825 of 17291
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