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Journals

Authenticating Mobile Device Users Through Image Selection

May 19, 2004

Author(s)

Wayne Jansen

Adequate user authentication is a persistent problem, particularly with mobile devices such as Personal Digital Assistants (PDAs), which tend to be highly...

Phase, timing and amplitude noise on supercontinua generated in microstructure fiber

May 17, 2004

Author(s)

Brian Washburn, Nathan R. Newbury

During supercontinuum formation in nonlinear fiber the presence of a noise seed on the input laser pulse can lead to significant excess noise on the generated...

Fluid Properties Simulation Challenge. Recommendations for Problem II (i): Methanol (0.50 Mass Fraction) + Water Density (0.50 Mass Fraction)

May 15, 2004

Author(s)

Joe W. Magee, Ilmutdin Abdulagatov

Recommendations are given for Problem 11(i): methanol (0.50 mass fraction) + water density (0.50 mass fraction) at problem conditions: (1) 0.1 MPa, 325 Kand (2)...

Establishing Benchmarks for the First Industrial Fluids Simulation Challenge

May 15, 2004

Author(s)

Daniel G. Friend, David Frurip, Joe W. Magee, J Olson

In order to judge the entries in the First Fluid Properties Simulation Challenge [1], a benchmarking committee was established, comprised of the authors of this...

Stabilization of femtosecond laser frequency combs with subhertz residual linewidths

May 15, 2004

Author(s)

A Bartels, Christopher W. Oates, Leo W. Hollberg, Scott A. Diddams

Magnetic Properties of a High Energy Ball-Milled Amorphous Gd_{5}Si_{1.8}Ge_{1.8}Sn_{0.4} Alloy

May 14, 2004

Author(s)

Tiebang Zhang, Virgil Provenzano, Robert D. Shull, Y. G. Chen

Amorphous Gd_{5}Si_{1.8}Ge_{1.8}Sn_{0.4} has been obtained with the help of a high-energy ball milling technique. XRD and DSC measurements confirm the amorphous...

Observation of Reduced Three-Body Recombination in a Fermionized 1D Bose Gas

May 14, 2004

Author(s)

B L. Tolra, K M. O'Hara, J H. Huckans, William D. Phillips, S L. Rolston, James V. Porto

We investigate correlation properties of a one-dimensional interacting Bose gas by loading a mangnetically trapped 87Rb Bose-Einstein condensate into a deep two...

Characterization and Reduction of Unexplained Noise in Superconducting Transition-Edge Sensors

May 7, 2004

Author(s)

Joel N. Ullom, William B. Doriese, Gene C. Hilton, James A. Beall, Steven Deiker, William Duncan, S. L. Ferreira, Kent D. Irwin, Carl D. Reintsema, Leila R. Vale

The noise in superconducting Transition-Edge Sensors (TESs) commonly exceeds simple theoretical predictions. The reason for this discrepancy is presently...

The Use of Predictive Tools and Software in a Building Regulatory Environment

May 7, 2004

Author(s)

Richard W. Bukowski

The ubiquitous nature of computers in modern society has resulted in the widespread development and use of software to automate previously manual procedures...

Test Environment and Procedures for Testing dd Provided With FreeBSD 4.4

May 6, 2004

Author(s)

James R. Lyle

This document describes the testing of dd in the FreeBSD environment. The test cases that were applied are described in Disk Imaging Tool Specification, Version...

Determination of Caffeine, Theobromine, and Theophylline in Standard Reference Material 2384, Baking Chocolate, Using Reversed-Phase Liquid Chromatography

May 5, 2004

Author(s)

Jeanice M. Brown Thomas, J. H. Yen, Michele M. Schantz, Barbara J. Porter, Katherine E. Sharpless

A Hierarchical, Multi-Resolutional Moving Object Prediction Approach for Autonomous On-Road Driving

May 3, 2004

Author(s)

Craig I. Schlenoff, Rajmohan Madhavan, Anthony J. Barbera

In this paper, we present a hierarchical, multi-resolutional approach for moving object prediction via estimation-theoretic and situation-based probabilistic...

Statistical Process Control in Biochemical and Hematological Quality Control Data

May 3, 2004

Author(s)

Nien F. Zhang, P Winkel

Daily quality control (QC) measurements of common biochemical and hematological quantities were recorded during several months while methods and analyzers...

Cryogenics on a Chip

May 3, 2004

Author(s)

Jukka Pekola, Rob Schoelkopf, Joel Ullom

Low-temperature techniques often bring to mind cryogenic liquids, gas compressors, and massive installations. But researchers are now building refrigerators and...

A Differential Equation Accomodation Model

May 3, 2004

Author(s)

E Della torre, L Yanik, A E. Yarimbiyik, Michael J. Donahue

Fluorescence Temperature Measurements: Methodology for Applications to Process Monitoring

May 1, 2004

Author(s)

Anthony J. Bur, S C. Roth

In prvious publications, we described a technique based on fluorescence spectrocopy to monitor resin temperature during processing. The method consists of using...

Quantification of Inflammatory Cellular Responses Using Real-Time Polymerase Chain Reaction

May 1, 2004

Author(s)

L A. Bailey, N. R. Washburn, Carl G. Simon Jr., E S. Chan, Francis W. Wang

: The introduction of tissue engineering approaches for the repair and replacement of human body components extends the application and importance of synthetic...

Influence of Heating Rate on Flow Stress in High-Speed Machining Processes

May 1, 2004

Author(s)

Matthew A. Davies, Sean W. Smith

For several decades, a major focus of machining research has been the measurement and prediction of temperature. Here, the influence of the rate of heating on...

Long-Term Strength of Ceramics for Biomedical Applications

May 1, 2004

Author(s)

Yu Zhang, Brian R. Lawn

The influence of slow crack growth on the initiation of radial cracks at the undersurfaces of ceramic layers on polymeric substrates is studied, with particular...

Wear Prediction of Ceramics

May 1, 2004

Author(s)

Stephen M. Hsu, M C. Shen

Advanced ceramics are increasingly being used for wear applications. The strength and fatigue resistance of ceramics have increased several fold in the last...

Self-Hardening Calcium Phosphate Cement-Mesh Composite: Reinforcement, Macropores, and Cell Response

May 1, 2004

Author(s)

Hockin D. Xu, Carl G. Simon Jr.

Calcium phosphate cement (CPC) self-hardens to form hydroxyapatite, has excellent osteoconductivity and bone-replacement ability, and is promising for dental...

Ti ls Pre-Edge Features in Rutile: A Bethe-Salpeter Calculation

May 1, 2004

Author(s)

Eric L. Shirley

This work studies Ti K-edge excitation in rutile TiO2 by considering the x-ray absorption spectrum in a Bethe-Salpeter approach. This work compares resultes...

Diffraction Effects on Broadband Radiation: Formulation for Computing Total Irradiance

May 1, 2004

Author(s)

Eric L. Shirley

We present a formulation for treating diffraction effects on total irradiance in the case of a Planck source, whereas earlier work generally depended on...

Design and Characterization of a Photometer--Colorimeter Standard

May 1, 2004

Author(s)

George P. Eppeldauer, M Racz

A photometer/tristimulus colorimeter has been developed at the National Institute of Standards and Technology (NIST) to realize a color scale. A novel...

Tuning Spectral Properties of Fullerenes by Substitutional Doping

May 1, 2004

Author(s)

Rui-Hua Xie, Garnett W. Bryant, G Sun, T Kar, Z Chen, V H. Smith, Y Araki, N Tagmatarchis, H Shinohara, O Ito

We propose a substitutional doping approach to achieve tunable optical properties from fullerenes. Taking Cd60 as an example and using time-dependent density...

Methyl Torsional State Analysis of the Jet-Cooled Microwave Spectrum of N-Acetylglycine

May 1, 2004

Author(s)

Francis J. Lovas, R J. Lavrich, David F. Plusquellic

The microwave spectrum of N-acetylglycine was obtained using a NIST Fourier-transform microwave spectrometer equipped with a heated, pulsed-nozzle source. One...

X-Ray Absorption Imaging of Hg Vapor in a Ceramic Metal-Halide Lamp Using Synchrotron Radiation

May 1, 2004

Author(s)

John J. Curry, H G. Adler, A MacPhee, Suresh Narayanan, J C. Wang

The diagnostic technique based on absorption of x-rays by the Hg vapor in a high-intensity discharge lamp has been extended using synchrotron radiation as the...

Effect of Backscattered Electrons on the Analysis Area in Scanning Auger Microscopy

May 1, 2004

Author(s)

Cedric J. Powell

A simple analytical model has been used to determine the effects of backscattered electrons on the analysis area in scanning Auger microscopy. For normally...

Quantum Key Distribution With 1.25 Gbps Clock Synchronization

May 1, 2004

Author(s)

Joshua C. Bienfang, Alex J. Gross, Alan Mink, Barry J. Hershman, Anastase Nakassis, Xiao Tang, David H. Su, Charles W. Clark, Carl J. Williams, Edward W. Hagley, J Wen, R Lu

Uncertainties in Small-Angle Measurement Systems Used to Calibrate Angle Artifacts

May 1, 2004

Author(s)

Jack A. Stone Jr., M Amer, Bryon S. Faust, Jay H. Zimmerman

We have studied a number of effects that can give rise to errors in small-angle measurement systems when they are used to calibrate artifacts such as optical...

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