Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Isopiestic Determination of the Osmotic and Activity Coefficients of K₂SO₄(aq) at the Temperatures 298.15 and 323.15 K, and Revision of the Thermodynamic Properties of the K₂SO₄ + H₂O System

December 1, 2002

Author(s)

D A. Palmer, Donald G. Archer, J A. Rard

Isopiestic vapor-pressure measurements were made for K 2SO 4(aq) from 0.228 to 0.740 mol .kg -1 at 298.15 k and from 0.219 to 0.957 mol .kg -1 at 323.15 K

Interleaved, Sampled Fiber Bragg Gratings for use in Hybrid Wavelength References

December 1, 2002

Author(s)

Michael W. Rabin, William C. Swann, Sarah L. Gilbert

We discuss the design and fabrication of interleaved, sampled fiber Bragg gratings (ISFBGs) for use in hybrid wavelength calibration references covering the

Characterisation of the Response of Chromium-Doped Alumina Screens in the Vacuum Ultraviolet Using Synchrotron Radiation

December 1, 2002

Author(s)

James K. McCarthy, A Baciero, B Zurro, Uwe Arp, Charles Tarrio, Thomas B. Lucatorto, A Morono, P Martin, E R. Hodgson

We have measured the response of chromium-doped alumina screens to vacuum ultraviolet radiation and derived quantum efficiency curves for the energy range from

A Reactive Molecular Dynamics Model of Thermal Decomposition in Polymers: I.Poly(methyl methacrylate)

December 1, 2002

Author(s)

S I. Stoliarov, P R. Westmoreland, Marc R. Nyden, Glenn P. Forney

The theory and implementation of Reactive Molecular Dynamics (RMD) are presented in the context of providing an overview of our own RMD computer code, MD_REACT

Modeling the Performance of a Naturally Ventilated Commercial Building With a Multizone Coupled Thermal/Airflow Simulation Tool.

December 1, 2002

Author(s)

James W. Axley, Steven Emmerich, George Walton

Naural ventilation systems have long been employed in European residences to control indoor air quality and provide thermal comfort. European building designers

Evaluation of Carbon Dioxide as R-22 Substitute for Residential Air-Conditioning.

December 1, 2002

Author(s)

J S. Brown, Y Kim, Piotr A. Domanski

This paper compares the performance of CO2 and R-22 in residential air-conditioning applications using semi-theoretical vapor compression and transcritical

Cone Calorimeter Combustion and Gasification Studies of Polymer Layered Silicate Nanocomposites.

December 1, 2002

Author(s)

M Zanetti, Takashi Kashiwagi, L Falqui, G Camino

Database-Assisted Wind Load Capacity Estimates for Low-Rise Steel Frames

December 1, 2002

Author(s)

S Jang, L L. Lu, Fahim H. Sadek, Emil Simiu

A comparative study is presented of the estimated wind load capacities of low-rise steel building frames based on loading patterns (magnitude and distribution)

A Monolithic CMOS Microhotplate-based Gas Sensor System

December 1, 2002

Author(s)

Muhammad Afridi, John S. Suehle, Mona E. Zaghloul, David W. Berning, Allen R. Hefner Jr., Richard E. Cavicchi, Stephen Semancik, C B. Montgomery, C J. Taylor

A monolithic CMOS microhotplate-based conductance type gas sensor system is described. A bulk micromachining technique is used to create suspended microhotplate

Large Area, Ultra-high Voltage 4H-SiC PiN Rectifiers

December 1, 2002

Author(s)

Ranbir Singh, Kenneth G. Irvine, D C. Capell, James Richmond, David W. Berning, Allen R. Hefner Jr., John W. Palmour

This paper reports the design, fabrication, and high temperature characteristics of 1 mm 2, 4 mm 2, and 9 mm 2 4H-SiC rectifiers with 6 kV, 5 kV, and 10 kV

Deciphering Piezoelectric and Surface Charge Effects in Hydroxyapatite Osteoconduction via Piezoresponse Force Microscopy

November 30, 2002

Author(s)

Youngjoon Han, Jeongjae Ryu, Andreas Schiffer, Jason Killgore, Seungbum Hong

Electrical properties of hydroxyapatite (HAp), the main constituent of the mineralized portion of the cortical bone, and a key variable in Wolff's law, remain

Change in Low Temperature Thermodynamic Functions of a Solid Due to Quantum Dots

November 27, 2002

Author(s)

Vinod K. Tewary

Simple expressions are derived for the spectrum of low frequency phonon modes perturbed bythe presence of a quantum dot in a solid using the phonon Green's

Reaction Mechanism of Chorismate Mutase Studied by the Combined Potentials of Quantum Mechanics and Molecular Mechanics

November 21, 2002

Author(s)

Y. S. Lee, S. E. Worthington, Morris Krauss, B R. Brooks

The reaction path for the rearrangement of chorismate to prephenate has been determined in a QM/MM study including the entire protein environment while treating

Regression Procedure for Determining the Dopant Profile in Semiconductors from Scanning Capacitance Microscopy Data

November 15, 2002

Author(s)

Jay F. Marchiando, Joseph Kopanski

To develop a regression procedure to correlate scanning capacitance microscope data with dopant concentration in three dimensions, the inverse problem is

Structural Effects on the Magnetic Character of Yttrium-Iron-Garnet Nanoparticles Dispersed in Glass Composites

November 13, 2002

Author(s)

S Taketomi, Alexander J. Shapiro, Robert D. Shull

We obtained dispersed-nanocrystal/glass composites by impregnating amorphous yttrium iron garnet (YIG) nanoparticles (made by an alkoxide method) into the 49

Structural Effects on the Matgnetic Character of Yttrium-Iron-Garnet-Nanoparticles Dispersed in Glass Composites

November 13, 2002

Author(s)

S Taketomi, Alexander J. Shapiro, Robert D. Shull

By absorbing amorphous yttrium iron garnet (YIG) nanoparticles into the nanometer pores of the sponge-like structure of porous silica glass (controlled pore

Modeling Superconformal Electrodeposition in Trenches

November 7, 2002

Author(s)

Daniel Wheeler, Daniel Josell, Thomas P. Moffat

Talking Ceramics

November 1, 2002

Author(s)

Terrell A. Vanderah

This is an invited Perspective article describing the technical needs and state-of-the-art research activities in the materials science of microwave ceramics

Monte Carlo Simulation of Noise Parameter Uncertainties

November 1, 2002

Author(s)

James P. Randa, Wojciech Wiatr

We present results for uncertainties in noise-parameter measurements, obtained using a Monte Carlo simulation of the measurements. Sets of data were generated

Cement and Concrete Reference Laboratory: Promoting Quality in Laboratory Testing

November 1, 2002

Author(s)

J H. Pielert

In the early part of the 20th century, a number of organizations including ASTM, the National Institute of Standards and Technology (NIST), and the Portland

Measurement of pH: Definition, Standards, and Procedures (IUPAC Recommendations 2002)

November 1, 2002

Author(s)

Kenneth W. Pratt, R P. Buck, S Rondinini, A K. Covington, F G. Baucke, C M. Brett, M F. Camoes, M J. Milton, T Mussini, R Naumann, P Spitzer , G S. Wilson

Determination of Sodium in Blood Serum by Inductively Coupled Plasma Mass Spectrometry

November 1, 2002

Author(s)

Stephen E. Long, Thomas W. Vetter

Owing to its importance as a serum electrolyte, sodium is determined routinely in clinical laboratories. In the United States, the accuracy of these

Analysis of the Isoelectric Point in Moderately Concentrated Alumina Suspensions Using Electroacoustic and Streaming Potential Methods

November 1, 2002

Author(s)

Vincent A. Hackley, J Patton, Lin-Sien H. Lum, R Wasche, H Abe, M Naito, Y Hotta, H Pendse

Alumina suspended in aqueous electrolytic solution was used as a model ceramic suspension to investigate the measurement precision and influencing factors for

Phase Equilibria and Crystal Chemistry in the BaO-Al₂O₃-Nb₂O₅ and BaO-Nb₂O₅ Systems

November 1, 2002

Author(s)

Terrell A. Vanderah, B C. Collins, Winnie K. Wong-Ng, Robert S. Roth, L Farber

Subsolidus phase equilibria in the BaO:Al 2O 3:Nb 2O 5 system at ~1250 C in air have been determined. Ternary compound formation in this system is limited to

Layered Droplet Microstructures in Sheared Emulsions: Finite-Size Effects

November 1, 2002

Author(s)

Jai A. Pathak, M C. Davis, Steven D. Hudson, Kalman D. Migler

We investigate the influence of confinement on the steady state microstructure of emulsions sheared between parallel plates, in a regime where the average

Grazing Incidence X-Ray Photoelectron Spectroscopy: A Method to Study Gate Dielectric Films on Si

November 1, 2002

Author(s)

Terrence J. Jach, E Landree

Grazing Incidence X-ray Photoelectron Spectroscopy (GIXPS) is a method that offers promise as a non-destructive technique to measure the thickness and chemistry

Tailoring Single-Photon and Multiphoton Probabilities of a Single-Photon On-Demand Source

November 1, 2002

Author(s)

Alan L. Migdall, D A. Branning, Stefania Castelletto

As currently implemented, single photon sources cannot be made to produce single photons with high probability, while simultaneously suppressing the probability

Phase-Field Models of Solidification

November 1, 2002

Author(s)

Geoffrey B. McFadden

Phase-field models of solidification are presented in the context of diffuse-interface theories based on conserved and non-conserved Order parameters. Phase

NIST's Assessment of Text Independent Speaker Recognition Performance

November 1, 2002

Author(s)

Mark A. Przybocki, Alvin F. Martin

NIST has coordinated annual evaluations of text-independent speaker recognition since 1996. These evaluations aim to provide important contributions to the

Automatic Capture, Representation, and Analysis of User Behavior

November 1, 2002

Author(s)

Sharon J. Laskowski, J A. Landay, M Lister

With the advent of the Web and the refinement of instrumentation and monitoring tools, software user interactions are being captured on a much larger scale than

Was this page helpful?