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Journals

Elastic Flexure of Bilayered Beams Subject to Strain Differentials

December 1, 2000

Author(s)

Tze J. Chuang, S K. Lee

The residual stresses present in a thin film and the curvatures formed at its substyrate during deposition have been a great concern to electrochemists and...

Biography of James R. Rice

December 1, 2000

Author(s)

Tze J. Chuang, J W. Rudnicki

Biography of James R. Rice.

Crystal Structure of the Monoclinic Perovskite Sr_3.94Cad1.31^Bi_2.70O₁₂

December 1, 2000

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, Qingzhen Huang, Robert S. Roth

The crystal structure of the low temperature oxidized form of Sr 3.94Ca 1.31Bi 2.70O 12 has been determined using a combined Rietveld refinement technique with...

Alpha Case Thickness Modeling in Investment Castings

December 1, 2000

Author(s)

William J. Boettinger, Maureen E. Williams, Sam R. Coriell, Ursula R. Kattner, B A. Mueller

The alpha case thickness at the surface of a Ti-6Al-4V step wedge investment casting has been measured and successfully predicted. The prediction uses...

Post-Source Decay in the Analysis of Polystyrene by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

December 1, 2000

Author(s)

R J. Goldschmidt, S Wetzel, William R. Blair, Charles M. Guttman

Various secondary series are observed in matrix-assisted laser desorption/ionization (MALDI) time-of-flight mass spectra of polystyrene. The number and...

Small-Angle Neutron Scattering Measurements of Nanoscale Lithographic Features

December 1, 2000

Author(s)

Wen-Li Wu, Eric K. Lin, Q Lin, M Angelopoulos

The continuing decrease in feature sizes in the semiconductor and other nanofabriation industries has placed increasingly stringent demands on current...

Inelastic Neutron Scattering From Filled Elastomers

December 1, 2000

Author(s)

A Nakatani, R Ivkov, P Papanek, H Yang, M Gerspacher

Inelastic neutron scattering experiments such as filter analyzer spectroscopy and time-of flight spectroscopy are powerful techniques for evaluating local...

Melt Rheology of Lower Critical Solution Temperature Polybutadiene/Polyisoprene Blends

December 1, 2000

Author(s)

H Jeon, A Nakatani, Charles C. Han, R H. Colby

The viscoelastic properties of a near critical polybutadiene(PB)/polyisoprene(PI) blends with an entangled structure and a dynamic symmetry ({Δ}Tg...

New Primary Standard for Specular Gloss Measurements

December 1, 2000

Author(s)

Maria E. Nadal, E A. Thompson

The measurement of specular gloss consists in comparing the luminous reflectance from a specimen to that from a calibrated gloss standard, under the same...

New Energy Levels and Classifications of Spectral Lines From Neutral and Singly-Ionized Dysprosium (Dy I and Dy II)

December 1, 2000

Author(s)

Gillian Nave, Ulf Griesmann

We present over 4000 new energy-level classifications in the spectra of neutral and singly ionized dysprosium. These lines were observed using Fourier transform...

Optical Frequency Measurement: 40 Years of Technology Revolutions

December 1, 2000

Author(s)

J L. Hall

The past forty years have witnessed spectacular progress in precision measurements, beginning with the first coherent optical source, the HeNeCW laser...

Enthalpies of Formation in the Pseudobinary LaAl_xNi_5-x System

December 1, 2000

Author(s)

R Klein, P A. O'Hare, I Jacob

The pseudobinary system LaAl xNi 5-x has a composition limit at x {nearly equal to} 1.3. The standard molar enthalpies of formation fHm (298.15 K) were...

NIST and Strategic Standardization

December 1, 2000

Author(s)

JoAnne R. Overman

NIST's Office of Standards Services coordinates Federal government standards activities under the National Technology Transfer and Advancement Act and chairs...

Superconformal Electrodeposition of Copper in 500-90 nm Features

December 1, 2000

Author(s)

Thomas P. Moffat, Daniel Wheeler, W H. Huber, Daniel Josell

Superconformal electrodeposition of copper in 500 nm deep trenches ranging from 500 to 90 nm in width has been demonstrated using an acid cupric sulfate...

Algorithm for Calculating the Plume Centerline Temperature in the Presence of a Hot Upper Layer.

December 1, 2000

Author(s)

William D. Davis, Kathy A. Notarianni, P Z. Tapper

The analysis of recent experiments (NIST TN 1423) using JP-5 and JP-8 pool fires performed in 15 m and 22 m high hangars suggest that plume centerline...

Surface Wetting Effects on the Spreading of Liquid Droplets Impacting a Solid Surface at Low Weber Numbers

December 1, 2000

Author(s)

William M. Healy, J G. Hartley, S I. Abdel-Khalik

A modification to the Kurabayashi-Yang equation for predicting the maximum spreading ratio of a liquid droplet impacting a solid surface has been made to...

Knowledge-Based Systems and Computational Tools for Concrete - Computer Integrated Knowledge Systems Combine Databases, Models, and Computing Tools to Address the Complex Nature of Concrete

December 1, 2000

Author(s)

Edward J. Garboczi, Dale P. Bentz, G J. Frohnsdorff

Within the Building Materials Division at the National Institute of Standards and Technology (NIST), the Hypercon Partnership for High Performance Concrete...

First-Principles Determination of Hybrid Bilayer Membrane Structure by Phase-Sensitive Neutron Reflectometry

December 1, 2000

Author(s)

Charles F. Majkrzak, Norman F. Berk, S. Krueger, Joseph A. Dura, M. Tarek, D Tobias, Vitalii I. Silin, Curtis W. Meuse, John T. Woodward IV, Anne L. Plant

Inhibitor Rankings for Alkane Combustion

December 1, 2000

Author(s)

Valeri I. Babushok, Wing Tsang

The effect of hydrocarbon fuel type on the ranking of inhibitor effectiveness has been investigated through computer simulations. The approach involves carrying...

Sheath Model for Radio-Frequency-Biased, High-Density Plasmas, Valid for all Ω/Ω_Iota

December 1, 2000

Author(s)

Mark A. Sobolewski

A model is proposed for sheaths in high-density discharges, with radio-frequency (rf) bias applied at frequencies ω comparable to ω i, the ion plasma frequency...

The Effect of Vibrational Relaxation of the Discharge Coefficient of Critical Flow Venturis

December 1, 2000

Author(s)

Aaron N. Johnson, John D. Wright, Shin-ichi Nakao, C L. Merkle, Michael R. Moldover

This paper identifies a new mechanism that can affect the discharge coefficient of critical nozzle flows. Specifically, vibrational relaxation effects are...

Control of Flow Direction in Microfluidic Devices with Polyelectrolyte Multilayers

December 1, 2000

Author(s)

S L. Barker, David J. Ross, Michael J. Tarlov, Michael Gaitan, Laurie E. Locascio

Electroosmotic flow (EOF) is commonly utilized in microfluidics. Because the direction of the EOF can be determined by the substrate surface charge, control of...

Repair of oxidative DNA damage in Drosophila melanogaster: identification and characterization of dOgg1, a second DNA glycosylase activity for 8-hydroxyguanine and formamidopyrimidines

December 1, 2000

Author(s)

C. Dherin, M. Dizdaroglu, H. Doerflinger, S. Boiteux, J. P. Radicella

In Drosophila, the S3 ribosomal protein has been shown to act as a DNA glycosylase/AP lyase capable of releasing 8-hydroxyguanine (8-OH-Gua) in damaged DNA...

Enhanced Capacity for Electrophoretic Capture of Plasmid DNA by Agarase Treatment of Agarose Gels

December 1, 2000

Author(s)

Kenneth D. Cole, B. Akerman

Agarase was used investigate the effect of increasing the number of polymer ends on the electrophoretic trapping of circular DNA in agarose gels. The electric...

Laboratory Database to Manage Electrophoresis and Chromatography Separations and the Associated Samples

December 1, 2000

Author(s)

Kenneth D. Cole

A database was developed to store, organize, and retrieve the data associated with electrophoresis and chromatography separations. It allows laboratories to...

Estimation of Indoor Carbon Monoxide Levels Due to Emissions from Residential Gas Ovens

December 1, 2000

Author(s)

Andrew K. Persily

The U.S. Consumer Product Safety Commission (CPSC) is evaluating the emissions of carbon monoxide (CO) from residential gas-fired ovens under various conditions...

Asymmetric coupled CMOS lines-an experimental study

December 1, 2000

Author(s)

Uwe Arz, Dylan F. Williams, Dave K. Walker, Hartmut Grabinski

Abstract: This paper investigates the properties of asymmetric coupled lines built in a 0.25- m CMOS technology over the frequency range of 50 MHz to 26.5 GHz...

Determination of PAHs in Combustion-related Samples and in SRM 1597, Complex Mixture of PAHs from Coal Tar

December 1, 2000

Author(s)

Dianne L. Poster, M. J. Lopez de Alda, Stephen A. Wise, J. C. Chuang, J. L. Mumford

Recent Developments in Standard Reference Materials for Polycyclic Aromatic Hydrocarbons in Environmental Matrices

December 1, 2000

Author(s)

Stephen A. Wise, Bruce A. Benner Jr, M. J. Lopez de Alda, Dianne L. Poster, Lane C. Sander, Michele M. Schantz

Stability of Polycyclic Aromatic Hydrocarbons in Frozen Mussel Tissue

December 1, 2000

Author(s)

Michele M. Schantz, Barbara J. Porter, Stephen A. Wise

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