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Journals

The Differential Adsorption of Phenol Derivatives onto a Polymeric Sorbent: A Combined Molecular Modeling and Expermential Study

November 11, 1999

Author(s)

K L. Mardis, A J. Glemza, B J. Brune, G F. Payne, M K. Gilson

Oxygenated aromatic compounds (OACs) are used for the synthesis of a variety of commercial products. Lignin from wood and other plant products are potential

Reorientation of Tetradecylmethylviologen on Gold Upon Co-Adsorption of Decanethiol and its Medition of Electron Transfer to Nitrate Reductase

November 9, 1999

Author(s)

Vytautas Reipa, S L. Yeh, H G. Monbouquette, V L. Vilker

Decanethiol was coadsorbed with tetradecylmethyl viologen (C 14MV; 1-Methyl-1 -tetradecyl-4,4 -bipyridinium chloride) on gold electrodes in order to improve

Evolution of Density Fluctuations to Lamellar Crystals in Linear Polyethylene

November 8, 1999

Author(s)

Y A. Akpalu, Eric J. Amis

Structure formation during the isothermal crystallization of a linear polyethylene (M w = 32,1000 g/ mol, M w/M n = 1.1) has been monitored by simultaneous real

The Engineering of Mind

November 2, 1999

Author(s)

James S. Albus

While the mind remains a mysterious and inaccessible phenomenon, many of the components of mind, such as perception, behavior generation, knowledge

A First Stop Towards Photorealistic Rendering of Coated Surfaces and Computer Based Standards of Appearance

November 1, 1999

Author(s)

Fern Y. Hunt, Egon Marx, G W. Meyer, Theodore V. Vorburger, P A. Walker, H B. Westlund

We seek to explore the feasibility of producing computer graphic images to visualize the color and gloss of surfaces using optical and surface topographical

High-Temperature Properties of Liquid-Phase-Sintered Α-Sic

November 1, 1999

Author(s)

R P. Jensen, William E. Luecke, N P. Padture, Sheldon M. Wiederhorn

We have characterized the high-temperature subcritical crack growth and oxidation resistance of a liquid-phase-sintered (LPS) SiC with 20% volume fraction

Off- Diagonal Elastic Constants in Fiber-Reinforced Composites

November 1, 1999

Author(s)

H M. Ledbetter, C M. Fortunko, Paul R. Heyliger

We present an alternative to the usual rod-resonance and pulse-echo measurement methods for determining off-diagonal C ij. The new approach - acoustic resonance

Stress Rupture of Lead-Free Soldered Joints Used to Assemble Copper Plumbing Systems

November 1, 1999

Author(s)

Richard J. Fields, D A. Shepherd, A Cohen, A Kireta

In 1993, the National Institute of Standards and Technology (NIST), formerly NBS, was engaged to develop the necessary elevated temperature allowable stress

Microstructure and Elastic-Constant Measurements of Two-Phase Materials

November 1, 1999

Author(s)

H M. Ledbetter, Martin Dunn

Considering two-phase materials, we focus on the relationship between microstructure and physical properties, especially elastic constants. Microstructure

Filler-Induced Composition Waves in Phase-Separating Polymer Blends

November 1, 1999

Author(s)

B P. Lee, Jack F. Douglas, S C. Glotzer

The influence of a dilute concentration of filler particles on polymer blend phase separation is investigated computationally using a generalization of the Cahn

Charge Lamp BAsed on MgH RAdiation

November 1, 1999

Author(s)

S Ukegawa, Alan Gallagher

We report the efficacy and spectrum of an inductively-coupled, radio-frequency discharge in mixtures of magnesium (Mg), hydrogen (H 2), and argon vapor. The

Deployment Test of the NIST EOS Thermal-Infrared Transfer Radiometer

November 1, 1999

Author(s)

Joseph P. Rice, S C. Bender, W H. Atkins, Francis J. Lovas

The National Institute of Standards and Technology (NIST) Thermal-infrared Transfer Radiometer (TXR), developed for the National Aeronautics and Space

Thermodynamic Properties of Vanadium Silicides. I. Standard Molar Enthalpy of Formation δ_fH of Vanadium Disilicide (VSi₂) at the Temperature of 298.15 K

November 1, 1999

Author(s)

P A. O'Hare, K Watling, G A. Hope

The massic energy of combustion of vanadium disilicide in fluorine according to the reaction: VSi 2(cr) + (13/2)F 2(g) = VF 5(g) + 2SiF 4(g), has been measured

Detection and Quantification Capabilities and the Evaluation of Low-Level Data: Some International Perspectives and Continuing Challenges

November 1, 1999

Author(s)

Lloyd A. Currie

The minimum amounts or concentrations of an analyte that may be detected or quantified by a specific measurement process (MP) represent fundamental performance

Boat Conformations: Synthesis, NMR Spectroscopy, and Molecular Modeling of Methyl 2,6-Anhydro-3-Deoxy-3-Phthalimido-Α-D-Mannopyranoside and its ¹⁵N-Labeled Analog

November 1, 1999

Author(s)

B Coxon

Methyl 2,6-anhydro-3-deoxy-3-phthalimido-α-D-mannopyranoside and its 15N-labeled analog have been synthesized by reaction of methyl 2,6:3,4-dianhydro-α-D

Rotating-Wave-Plate Stokes Polarimeter for Differential Group Delay Measurements of Polarization-Mode Dispersion

November 1, 1999

Author(s)

Paul A. Williams

We present a description and detailed error analysis of a polarization-mode dispersion measurement system which used the Jones matrix eigenanalysis measurement

Mode-coupled artifact standard for polarization-mode dispersion: design, assembly, and implementation

November 1, 1999

Author(s)

Paul A. Williams

A stack of quasi-randomly oriented quartz plates has been assembled as a calibration artifact for mode-coupled polarization-mode dispersion. The design of the

Reduction Potentials of SO₃-, SO₅.-, And S₄O₆.^3- Radicals in Aqueous Solution

November 1, 1999

Author(s)

T N. Das, Robert E. Huie, Pedatsur Neta

Reduction potentials of the SO- 3 -, SO 5 -, and S 4O 6 3- radicals in aqueous solutions are measured by pulse radiolysis at 294 K. These radicals are produced

Pressure Effect on CH₃ and C₂H₃ Cross-Radical Reactions

November 1, 1999

Author(s)

Askar Fahr, Allan H. Laufer, D C. Tardy

The effect of pressure on the cross- radical reactions of vinyl and methyl radicals have been investigated. These radicals were produced by excimer laser

Why Pb(B,B')O₃ Perovskites Disorder at Lower Temperatures than Ba(B,B')O₃ Perovskites

November 1, 1999

Author(s)

Benjamin P. Burton, Eric J. Cockayne

Fully relaxed, planewave pseudopotential calculations of total energies were performed for three ordered perovskite related supercells in each of the eight

Direct Blind Deconvolution

November 1, 1999

Author(s)

Alfred S. Carasso

Blind deconvolution seeks to deblur an image without knowing the cause of the blur. Iterative methods are commonly applied to that problem, but the iterative

Interlaboratory 'Pilot Run' Study of Small Heat-Flow-Meter Apparatus for ASTM C 518

November 1, 1999

Author(s)

Robert R. Zarr, E S. Lagergren

Thermal conductivity measurements of a high-density glass-fiber thermal insulation material near 24 C are presented for the determination of the precision and

Protected Paste Volume in Concrete: Extension to Internal Curing Using Saturated Lightweight Fine Aggregate

November 1, 1999

Author(s)

Dale P. Bentz, Kenneth A. Snyder

One difficulty in the field use of high performance concrete is the extensive self-desiccation and autogeneous shrinkage that may occur due to its lower w/c

Migdall Responds II: More Correlated Photon Metrology History

November 1, 1999

Author(s)

Alan L. Migdall

I appreciate the comments of Mike Gruntman (Sept., page 80) concerning the history of using correlated pairs of particles(photons) to determine absolute

Differences Explained in Correlated-Photon Metrology Techniques

November 1, 1999

Author(s)

Alan L. Migdall

Challenges in Capturing Oxygenase Activity In Vitro

November 1, 1999

Author(s)

V L. Vilker, Vytautas Reipa, M P. Mayhew, Marcia J. Holden

Biocatalysis using oxygenase or desaturase enzymes has the potential to add value to native fats and oils by adding oxygen hydroxyl groups, or double bonds to

Selecting Cost-Effective Green Building Products: BEES Approach

November 1, 1999

Author(s)

Barbara C. Lippiatt

The BEES (Building for Environmental and Economic Sustainability) software implements a rational, systematic technique for balancing the environmental and

The Relationship Between AFM Force-Distance Curves and Indentation Load-Penetration Curves

November 1, 1999

Author(s)

Mark R. VanLandingham

The atomic force microscope (AFM) is used to generate images based on the interaction forces between the probe tip and the sample surface. These interaction

NIST Realization of the Gallium Triple Point

November 1, 1999

Author(s)

Gregory F. Strouse

The gallium trip point (302.9166 K) instead of the gallium melting point (302.9146 K) is used at NIST in the realization of the International Temperature Scale

Temperature Dependence of Exchange Bias in Polycrystalline Ferromagnet-Antiferromagnet Bilayers

November 1, 1999

Author(s)

Mark D. Stiles, Robert D. McMichael

We describe a simple model for the temperature dependence of the exchange bias and related effects that result from coupling a ferromagnetic thin film to a

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