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Journals

Effects of Water, Salt Solution and Simulated Concrete Pore Solution on the Properties of Composite Matrix Resins Used in Civil Engineering Applications

April 1, 2001

Author(s)

Joannie W. Chin, K Aouadi, M R. Haight, W Hughes, Tinh Nguyen

One of the obstacles hindering the acceptance of polymer composites in civil engineering applications is the susceptibility of the polymeric matrix to...

Absolute Molecular Orientational Distribution of the Polystyrene Surface

April 1, 2001

Author(s)

Kimberly A. Briggman, John C. Stephenson, William E. Wallace, Lee J. Richter

Vibrationally-resonant sum frequency generation (VR-SFG) has been used to study the absolute molecular orientational distribution of the pendant phenyl groups...

Dye Impregnation Method for Revealing Machining Crack Geometry

April 1, 2001

Author(s)

M Kanematsu, M. Sando, Lewis K. Ives, Ryna B. Marinenko, George D. Quinn

Detection and Quantification Capabilities for ⁸⁵Kr with the NIST Low-Level Gas Counting System: Impacts of Instrumental and Environmental Backgrounds

April 1, 2001

Author(s)

Lloyd A. Currie, George A. Klouda

Among the most important, conservative geochemical tracers are the long-lived isotopes of krypton, 81Kr and 85Kr. Following a very brief review of the metrology...

Coincidence and anti-coincidence measurements in prompt gamma neutron activation analysis with pulsed cold neutron beams

April 1, 2001

Author(s)

Rolf L. Zeisler, George P. Lamaze, Huaiyu H. Chen-Mayer

Uptake of oxygen in a coal standard reference material determined by fast (14-MeV) neutron activation analysis

April 1, 2001

Author(s)

W. D. James, Rolf L. Zeisler

A Rare-Earth-Oxide Glass for the Wavelength Calibration of Near-Infrared Dispersive and Fourier-Transform Spectrometers

April 1, 2001

Author(s)

Steven J. Choquette, John C. Travis, L. E. O'Neal, C. J. Zhu, David L. Duewer

Development of Isotope Dilution Cold Vapor Inductively Coupled Plasma Mass Spectrometry and Its Application to the Certification of Mercury in NIST Standard Reference Materials

April 1, 2001

Author(s)

Steven J. Christopher, Stephen E. Long, M. S. Rearick, John D. Fassett

BioEqCalc: A Package for Performing Equilibrium Calculations on Biochemical Reactions

April 1, 2001

Author(s)

D Akers, Robert N. Goldberg

A Mathematica package BioEqCalc.m has been developed for treating complex equilibria in aqueous solutions. The package is geared towards the treatment of...

Effects of Relative Humidity on Moisture-Enhanced Photolysis of Acrylic Melamine Coatings: A Quantitative Study

April 1, 2001

Author(s)

Tinh Nguyen, Jonathan W. Martin, E Byrd, N Embree

The effects of relative humidity ranging from [approximately equal to] 0 % to 90 % on the moisture-enhanced photolysis (MEP) of a partially-methylated melamine...

Kinetics of Formation of Many Armed Stars With Dendrimer Cores as a Model of Crosslinking

April 1, 2001

Author(s)

Barry J. Bauer, B D. Viers

Many armed star molecules were formed by endlinking monofunctional vinyl sulfone endcapped PEG to the terminal amines dendrimers. Gel permeation chromatography...

Analysis of a Dual-Balance HIgh Resistance Bridge at 10 T{Ω}

April 1, 2001

Author(s)

Dean G. Jarrett

The NIST guarded active-arm bridge, using a third dc source and a second detector to balance the guard network, is described. Improvements to the NIST active...

Thermomechanical Oscillations in Material Flow During High-Speed Machining

April 1, 2001

Author(s)

Matthew A. Davies, Timothy J. Burns

This paper presents a nonlinear dynamics approach for predicting the transition from continuous to shear-localized chip formation in machining. Experiments and...

Characterization of Polymer-Clay Solutions by Rheology, Flow Birefringence and SANS

April 1, 2001

Author(s)

Charles C. Han, G Schmidt, A Nakatani, Alamgir Karim

The shear orientation of viscoelastic clay-polymer solutions was investigated by means of rheology, flow birefringence and small-angle neutron scattering (SANS)...

Mass Spectrometry of Spin-On-Glass Low-K Dielectric Precursors

April 1, 2001

Author(s)

William E. Wallace, Kathleen M. Flynn, Joseph M. Antonucci

The degree-of-intramolecular-condensation, defined as the number of residual silanol (SiOH) groups per oligomer, for a variety of silsesquioxane polymers was...

Negative Cesium Sputter Ion Source for Generating Cluster Primary Ion Beams for Secondary Ion Mass Spectrometry Analysis

April 1, 2001

Author(s)

John G. Gillen, R L. King, B Freibaum, R Lareau, J Bennett, F Chmara

The use of a cluster (or polyatomic) primary ion projectile for organic SIMS has been demonstrated to increase the yield of characteristic molecular secondary...

Absolute Quantum Efficiency Measurements Using Correlated Photons: Toward a Measurement Protocol

April 1, 2001

Author(s)

Alan L. Migdall

Correlated photons can be used to measure of the quantum efficiency of photon counting photodetectors without ties to any externally calibrated standards. We...

Stability Measurements on Noise Sources

April 1, 2001

Author(s)

James P. Randa, L. A. Terrell, Lawrence P. Dunleavy

Measurement and Analysis of Results Obtained on Biological Substances With Differential Scanning Calorimetry

April 1, 2001

Author(s)

H J. Hinz, Frederick P. Schwarz

Differential scanning calorimeters (DSCs) have been widely used to determine the thermodynamics of phase transitions and conformational changes in biological...

Identification and Quantification of 8,5'-Cyclo-2'-Deoxyadenosine in DNA by Liquid Chromatography/Mass Spectrometry

April 1, 2001

Author(s)

M. Dizdaroglu, Pawel Jaruga, H Rodriguez

Recent studies suggested that 8,5'-cyclo-2'-deoxyadenosine may play a role in diseases with defective nucleotide-excision repair. This compound is one of the...

Comparative Study of Pore Size of Low-Dielectric-Constant Porous Spin-On-Glass Films Using Different Methods of Nondestructive Instrumentation

April 1, 2001

Author(s)

E Kondoh, M R. Baklanov, Eric K. Lin, D Gidley, A Nakashima

Pore sizes of hydrogen-methyl-siloxane-based porous spin-on-glass (SOG) thin films are comparatively studied with different non-destructive instrumental methods...

Angular Momentum and Energy Transferred Through Ferromagnetic Resonance

April 1, 2001

Author(s)

Albrecht Jander, John M. Moreland, Pavel Kabos

A New Fabrication Process for Planar Thin-Film Multijunction Thermal Converters

April 1, 2001

Author(s)

Thomas F. Wunsch, Joseph R. Kinard Jr., Ronald R. Manginell, O. M. Solomon, Thomas E. Lipe Jr., K. C. Jungling

Characterization of Four-Terminal-Pair Resistance Standards: A Comparison of Measurements and Theory

April 1, 2001

Author(s)

Randolph Elmquist, Anne-Marie Jeffery, Dean G. Jarrett

Interlaboratory Comparison of Josephson Voltage Standards Between NIST and Lockheed Martin Astronautics

April 1, 2001

Author(s)

Yi-hua D. Tang, W. Wyatt Miller

An International Comparison of 50/60 Hz Power (1996-1999)

April 1, 2001

Author(s)

Nile M. Oldham, Thomas L. Nelson, R. Bergeest, G. Ramm, R. Carranza, A. C. Corney, M. Gibbes, Gregory Kyriazis, H. Laiz, L. X. Liu, Z. Lu, U. Pogliano, K. E. Rydler, E. Shapiro, E. So, M. Temba, P. Wright

An international comparison of 50/60 Hz power is described. The traveling standard was an electronic power transducer which was tested at 120 volts, 5 amperes...

Comparison of High-Frequency AC-DC Voltage Transfer Standards at NRC, VSL, PTB, and NIST

April 1, 2001

Author(s)

Piotr S. Filipski, C. J. van Mullem, D. Janik, M. Klonz, Joseph R. Kinard Jr., Thomas E. Lipe Jr., Bryan C. Waltrip

Complete Characterization of Zener Standards at 10 V for Measurement Assurance Program (MAP)

April 1, 2001

Author(s)

Yi-hua D. Tang, June E. Sims

A complete characterizaiton of Zener standards for temperature, pressure, and humidity is being performed to improve the uncertainty of a Measurement Assurance...

Recent Developments in BIPM Voltage Standard Comparisons

April 1, 2001

Author(s)

D. Reymann, Thomas J. Witt, P. Vrabcek, Yi-hua D. Tang, Clark A. Hamilton, A. S. Katkov, Blaise Jeanneret, O. Power

The Influence of Molecular Architecture and Solvent Type on the Size and Structure of Poly (Bezyl Ether) Dendrimers by SANS

April 1, 2001

Author(s)

G Evmenenko, Barry J. Bauer, R Kleppinger, B Forier, W Dehaen, Eric J. Amis, N Mischenko, H Reynaers

The size of poly(benzyl ether) dendrimers with different molecular architectures was measured by small angle neutron scattering (SANS). Both polar and non-polar...

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