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Search Publications

NIST Authors in Bold

Displaying 36451 - 36475 of 73697

Molecular simulation of the diffusivity of NaOH in steam

June 1, 2005
Author(s)
Allan H. Harvey, Raymond D. Mountain
Molecular dynamics simulation is used to calculate the infinite-dilution diffusivity of sodium hydroxide (NaOH) in steam at conditions of temperature and density typical of steam turbines. These data are needed in order to better understand deposition

MuJava: An Automated Class Mutation System

June 1, 2005
Author(s)
Y Ma, A. J. Offutt, Y R. Kwon
The National Software Reference Library (NSRL) of the U.S. National Institute of Standards and Technology (NIST) collects software from various sources and publishes file profiles computed from this software (such as MD5 and SHA-1 hashes) as a Reference

Nanoscale Elastic-Property Mapping with Contact-Resonance-Frequency AFM

June 1, 2005
Author(s)
Donna C. Hurley, Anthony B. Kos, Paul Rice
We describe a dynamic atomic force microscopy (AFM) method to map the nanoscale elastic properties of surfaces, thin films, and nanostructures. Our approach is based on atomic force acoustic microscopy (AFAM) techniques previously used for quantitative

NIST Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 2003 Organic Intercomparison Exercises; Exercise Materials: Mussel Tissue XI (QA03TIS1) and Marine Sediment XII (QA03SED12)

June 1, 2005
Author(s)
Michele M. Schantz, John R. Kucklick, Reenie M. Parris, Dianne L. Poster, Stephen A. Wise
In support of marine monitoring measurement programs, the National Institute of Standards and Technology (NIST) conducts yearly interlaboratory comparison exercises to provide one mechanism for participating laboratories/monitoring programs to evaluate the

NIST Software Assurance Metrics and Tool Evaluation (SAMATE)

June 1, 2005
Author(s)
Michael J. Kass
The National Software Reference Library (NSRL) of the U.S. National Institute of Standards and Technology (NIST) collects software from various sources and publishes file profiles computed from this software (such as MD5 and SHA-1 hashes) as a Reference

NIST's Security Configuration Checklists Program for Technology Products

June 1, 2005
Author(s)
Shirley M. Radack
This bulletin describes the NIST security configuration checklists program and is based on NIST Special Publication 800-70: Security Configuration Checklists Program for IT Products, by Murugiah Souppaya, John Wack and Karen Kent. The bulletin discusses

On the Use of Wireless Network Technologies in Healthcare Environments

June 1, 2005
Author(s)
Nicolas Chevrollier, Nada T. Golmie
In this article, we investigate the suitability of wireless technologies in healthcare/hospital environments. We focus on Wireless Personal Area Network technologies, namely, Bluetooth and the low-rate specifications described in the IEEE 802.15.4 standard

Practical High-Resolution Programmable Josephson Voltage Standards using Double- and Triple-Stacked MoSi 2 -Barrier Junctions

June 1, 2005
Author(s)
Yonuk Chong, Charles J. Burroughs, Paul Dresselhaus, Nicolas Hadacek, Hirotake Yamamori, Samuel Benz
We have developed vertically stacked superconductor-normal metal- superconductor Josephson junction technology for the next generation quantum voltage standards. Stacked junctions provide a practical way of increasing the output voltage and operating

Preparation of Homogeneously Dispersed Trialkyl Imidazolium Compatibilized Multi Walled Carbon Nanotube/Polystyrene Nanocomposites via Melt Extrusion

June 1, 2005
Author(s)
S Bellayer, Jeffrey W. Gilman, Naomi Eidelman, S Bourbigot, X Flambard, D M. Fox, Hugh C. De Long, Paul C. Trulove
Trialkylimidazolium-tetrafluoroborate, (IM) compatibilized, multiwalled carbon nanotubes (MWNT) were used to prepare well dispersed polystyrene (PS) IM-MWNT nanocomposites via melt extrusion. Quantitative TEM image analysis revealed superior dispersion of

Proximity Beacons and Mobile Device Authentication: an Overview and Implementation

June 1, 2005
Author(s)
Wayne Jansen, Serban I. Gavrila, Vladimir Korolev
The use of mobile handheld devices within the workplace is expanding rapidly. These devices are no longer viewed as coveted gadgets for early technology adopters, but have instead become indispensable tools that offer competitive business advantages for

RFID 101

June 1, 2005
Author(s)
Leonard E. Miller
We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the bit-stream, generation of random numbers and processing of the sifting algorithm are all handled

Scalable Register Initialization for Quantum Computing in a Optical Lattice

June 1, 2005
Author(s)
G K. Brennen, G Pupillo, A M. Rey, Charles W. Clark, Carl J. Williams
The Mott insulator state created by loading an atomic Bose-Einstein condensate (BEC) into an optical lattice may be used as a means to prepare a register of atomic qubits in an quantum computer. Such architecture requires a lattice commensurately filled

Software Assurances Metrics and Tool Evaluation

June 1, 2005
Author(s)
Paul E. Black
NIST is starting two ambitious projects to (1) develop a taxonomy of software security flaws and vulnerabilities, (2) develop a taxonomy of software assurance (SA) functions and techniques which detect those flaws, (3) perform and maintain a survey of SA

Stacked Niobium-MoSi 2 -Niobium Josephson Junctions for AC Voltage Standards

June 1, 2005
Author(s)
Paul Dresselhaus, Yonuk Chong, Samuel Benz
Superconductor-normal metal-superconductor (SNS) Josephson junctions have proven to be a critical technology for voltage standards. NIST has used SNS junctions for both programmable DC and AC voltage standards. Previous devices have primarily used PdAu as

Stresses in Ion Exchange Layers of Soda-Lime-Silicate Glass

June 1, 2005
Author(s)
Theo Fett, J -. Guin, Sheldon M. Wiederhorn
This paper presents a new method to determine both the magnitude and the sign of the surface stresses that develop as a consequence of sodium/hydrogen ion exchange in soda-lime-silicate glass immersed in water. At 90 degrees C very thin layers that develop
Displaying 36451 - 36475 of 73697
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