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Displaying 40376 - 40400 of 74099

Fracture of Ceramic/Ceramic/Polymer Trilayers for Biomechanical Applications

December 1, 2003
Author(s)
Y N. Deng, P Miranda, Antonia Pajares, Brian R. Lawn
Fracture damage in trilayers consisting of outer and inner brittle layers bonded to a compliant (polycarbonate) substrate and subjected to concentrated surface loading is analyzed. The principal mode of fracture is radial cracking at the undersurface of

GETNAMEINFO Test Suite Version 1

December 1, 2003
Author(s)
Sandra Martinez
The goal of this document is to help W3C editors write better specifications, by making a specification easier to interpret without ambiguity and clearer as to what is required in order to conform. It focuses on how to define and specify conformance. It

Influence of Interface Alloying on the Magnetic Properties of Co/Pd Multilayers

December 1, 2003
Author(s)
J Carrey, A. E. Berkowitz, William F. Egelhoff Jr., D J. Smith
An important issue concerning Co/Pd multilayers is the origin of their perpendicular anisotropy. One explanation is broken symmetry of Co atoms at the Co/Pd interface; another involves magnetoelastic effects in an interfacial Co-Pd alloy. We examined this

Long-Range Nature of Feshbach Molecules in Bose-Einstein Condensates

December 1, 2003
Author(s)
T K hler, T Gasenzer, Paul S. Julienne, K Burnett
We discuss the long range nature of the molecules produced in recent experiments on molecular Bose-Einstein condensation. The properties of these molecules depend on the full two-body Hamiltonian and not just on the states of the system in the absence of

Measurement of Heat Conduction Through Bonded Regenerator Matrix Materials

December 1, 2003
Author(s)
Michael A. Lewis, Ray Radebaugh
Regenerative heat exchangers have had a significant influence on the development of small refrigerators for cryogenic applications. The optimized design of these regenerators takes into account the axial thermal conduction of the matrix. Until recently

Modeling Fire Growth and Spread in Houses. (Abstract/Presentation/Visuals)

December 1, 2003
Author(s)
Kevin B. McGrattan
In cooperation with the fire protection engineering community, a numerical fire model, Fire Dynamics Simulator (FDS), is being developed at NIST to study fire behavior and to evaluate the performance of fire protection systems in buildings. Version 1 of

Molecular Dynamics Study of the Solubility of Oxygen in Liquid Pyridine

December 1, 2003
Author(s)
Raymond D. Mountain
The solubility of oxygen in liquid pyridine is estimated using molecular dynamics to evaluate the chemical potential of the gas molecule in the liquid. The Kirkwood charging method is used with empirical potentials that generate reliable equations of state

Multimodal Biometric Authentication Methods: A COTS Approach

December 1, 2003
Author(s)
Michael D. Indovina, Robert D. Snelick, Alan Mink
We examine the performance of multimodal biometric authentication systems using state-of-the-art Commercial Off-the-Shelf (COTS) fingerprint and face biometrics on a population approaching 1000 individuals. Prior studies of multimodal biometrics have been

Near Edge X-Ray Absorption Fine Structure Measurements of the Interface Between Bottom Anti-Reflective Coatings and a Model Deprotected Photoresist

December 1, 2003
Author(s)
E Jablonski, S Sambasivan, Daniel A. Fischer, Eric K. Lin, C Devadoss, R Puligadda
The interface between bottom anti-reflective coatings (BARCs) and a model deprotected photoresist, poly(4-hydroxystyrene) (PHS), was investigated using near edge x-ray absorption fine structure spectroscopy to identify mechanisms responsible for pattern

NIST 3 Megawatt Quantitative Heat Release Rate Facility (NIST SP 1007)

December 1, 2003
Author(s)
Rodney A. Bryant, Thomas J. Ohlemiller, Erik L. Johnsson, Anthony P. Hamins, B S. Grove, William F. Guthrie, Alexander Maranghides, George W. Mulholland
The 3 Megawatt Heat Release Rate Facility was developed at NIST as a first step toward having broad capabilities for making quantitative large scale fire measurements. Such capabilities will be used at NIST to validate fire models and to develop sub-grid
Displaying 40376 - 40400 of 74099
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