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Journals

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...

Complex Permittivity and Permeability of Ferrite Ceramics at Microwave Frequencies

November 1, 1999

Author(s)

Richard G. Geyer

Shape Selectivity for Constrained Solutes in Reversed-Phase Liquid Chromatography

November 1, 1999

Author(s)

Lane C. Sander, M. Pursch, Stephen A. Wise

Linear Dipole Response in a Reverberation Chamber

November 1, 1999

Author(s)

David A. Hill

A new spatial correlation function is derived for the axial electric field and is compared with the previously known spatial correlation function for the total...

Embedded Systems and the Year 2000 Problem

November 1, 1999

Author(s)

G E. Fisher, M Cherry

Much has been written about embedded systems and how they will be affected by the year 2000 problem. During the first 6 months of 1999, a significant amount of...

Measuring the Interface Stress: Silver/Nickel Interfaces

November 1, 1999

Author(s)

Daniel Josell, John E. Bonevich, I Shao, R C. Cammarata

Interface stress is a surface thermodynamics quantity associated with the reversible work of elastically straining an internal solid interface. In a...

Living Poly(Α-Methylsyrene) Near the Polymerization Line: VII. Molecular Weight Distribution in a Good Solvent

November 1, 1999

Author(s)

S S. Das, J Zhuang, A P. Andrews, S C. Greer, Kathleen M. Flynn, William R. Blair

We have studied the time development of the molecular mass distribution (MWD) of living bifunctional poly(α-methylstyrene) in tetrahydrofuran after a quench to...

Dynamic Entropy as a Measure of Caging and Persisent Particle Motion in Supercooled Liquids

November 1, 1999

Author(s)

P Allegrini, Jack F. Douglas, S C. Glotzer

The length-scale dependence of the dynamic entropy is studied in a molecular dynamics simulation of a binary Lennard-Jones liquid above the mode-coupling...

Small Angle Neutron Scattering of Solutions of Arborescent Graft Polymers

November 1, 1999

Author(s)

S M. Choi, R M. Briber, Barry J. Bauer, A Topp, M Gauthier, L Tichagwa

Small angle neutron scattering was used to measure the size and shape of arborescent graft polymers as a function of generation number in solution. The radius...

Ionizing Radiation Induced Degradation of a Tetrachlorobiphenyl in Transformer Oil

November 1, 1999

Author(s)

M Chaychian, Joseph Silverman, M I. Al-Sheikhly, Dianne L. Poster, Pedatsur Neta

Complete degradation of 2,2',6,6'-tetrachlorobiphenyl (PCB 54) in transformer oil is achieved by ionizing radiation without degradation of the oil. Gamma...

Characterization of Ternary Compounds in the BaO: Fe₃: TiO₂ System; Ba₆Fe₄₅Ti₁₇ O₁₀₆ and BaRe₁₁Ti₃O₂₃

November 1, 1999

Author(s)

Terrell A. Vanderah, W. Wong-Ng, B H. Toby, V. M. Browning, Robert D. Shull, Richard G. Geyer, Robert S. Roth

Acoustic Evidence Against BCS Behavior in Monocrystal YBa₂Cu₃0₇

November 1, 1999

Author(s)

M Lei, Albert Migliori, H M. Ledbetter

Using a detwinned YBa 2Cu 30 7 monocrystal and acoustic-resonance spectroscopy, we measured internal friction Q- = A If through the 91-K superconducting...

Application of Laser Polarimetry to the Measurement of Specific Heat Capacity and Enthalpy of the Alloy 53Nb-47Ti (mass%) in the Temperature Range 1600 K to 2000 K by a Millisecond-Resolution Pulse Heating Technique

November 1, 1999

Author(s)

D Basak, Ursula R. Kattner, J L. McClure, Daniel Josell, A Cezairliyan

The determination of the specific heat capacity, enthalpy and electrical resistivity of the alloy, 53Nb-47Ti (mass%), in the temperature range 1600 K to 2000 K...

Atomic-Resolution Study of Lattice Distortion of a Buried InGa_1-xAs Monolayers in GaAs(001)

November 1, 1999

Author(s)

T L. Lee, M Pillai, Joseph Woicik, G Labanda, P Lyman, S A. Barnett, Michael Bedzyk

X-ray standing wave measurements were used to study the strain in one monolayer of pseudobinary alloy InxGa1-xAs buried in GaAs(001). The measured In position...

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