Journals

Computer Modeling of the Replacement of Coarse Cement Particles by Inert Fillers in Low W/C Ratio Concretes: Hydration and Strength

March 1, 2001

Author(s)

Dale P. Bentz, J T. Conway

In concretes with water-to-cement (w/c) ratios below about 0.38, a portion of the cement particles will always remain unhydrated due to space limitations within

Effects of Elevated Temperature Exposure on Heating Characteristics, Spalling, and Residual Properties of High Performance Concrete

March 1, 2001

Author(s)

Long T. Phan, James R. Lawson, Frank L. Davis

Results of part of an ongoing research program, being conducted at the National Institute of Standards and Technology (NIST) to study effects of elevated

Critical Properties and Phase Separation in Lattice Boltzmann Fluid Mixtures

March 1, 2001

Author(s)

Nicos Martys, Jack F. Douglas

Basic equilibrium properties of Lattice Boltzmann (LB) fluid mixtures (coexistence curve, surface tension, interfacial profile, correlation length) are

Optical Path Difference Measurement Techniques for SLMs

March 1, 2001

Author(s)

Patrick J. Grother, D P. Casasent

A simple measurement method to obtain 2-D spatial point-by-point optical path difference (OPD) data for spatial light modulators (SLMs) is described. A simple

Effect of a Water Rinse on Labile Fluoride and Ether Ions in Plaque and Saliva Before and After Conventional and Experimental Fluoride Rinses

March 1, 2001

Author(s)

Gerald L. Vogel, Z Zhang, Laurence C. Chow, Gary E. Schumacher

Labile reservoirs are important in maintaining ion concentrations in oral fluids, especially after a fluoride dentifrice application, where a persistent

An ab Initio Study of the Kinetics of the Reactions of Halomethanes with the Hydroxyl Radical. 3. Kinetic Parameters Predictions for the Potential Halon Replacements CH₂FBr, CHFBr₂, CHFClBr, CHCl₂Br, and CHClBr₂

March 1, 2001

Author(s)

F Louis, Carlos A. Gonzalez, Robert E. Huie, Michael J. Kurylo III

Vapor Entraining Magnetic Mixer for Reaction and Equilibrium Applications

March 1, 2001

Author(s)

Thomas J. Bruno, Michael C. Rybowiak

Mixing of fluids is a central component to innumerable operations in chemical processing on the plant floor and also in many laboratory operations. Most mixing

Effects of Elastic-Electron Scattering on Measurements of Silicon Dioxide Film Thicknesses by X-Ray Photoelectron Spectroscopy

March 1, 2001

Author(s)

Cedric J. Powell, Aleksander Jablonski

It is now customary for the effects of elastic-electron scattering to be ignored in measurements of the thicknesses of overlayer films by X-ray photoelectron

Standardization of Cardiac Troponin I Assays: Round Robin of Ten Candidate Reference Materials

March 1, 2001

Author(s)

R. H. Christenson, S. H. Duh, F. S. Apple, G. S. Bodor, David M. Bunk, J. J. Dalluge, Mauro Panteghini, J. D. Potter, Michael J. Welch, A. H. Wu, S. E. Kahn

Preparation and value assignment of Standard Reference Material 968c Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum

March 1, 2001

Author(s)

Jeanice M. Brown Thomas, Margaret C. Kline, L M. Gill, James H. Yen, David L. Duewer, Lorna T. Sniegoski, Katherine E. Sharpless

Using BEES to Select Cost-Effective Green Products

March 1, 2001

Author(s)

Barbara C. Lippiatt, A Boyles

The BEES (Building for Environmental and Economic Sustainability) version 2.0 software implements a rational, systematic technique for selecting environmentall

Four-Port Microwave Measurement System Speeds On-Wafer Calibration and Test

March 1, 2001

Author(s)

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

A multiport measurement system comprising a coaxial switch network and comprehensive freeware package extends the capabilities of a user's two-port automatic

T-Shaped Quantum Wires in Magnetic Fields: Weakly Confined Magnetoexcitons Beyond the Diamagnetic Limit

March 1, 2001

Author(s)

Garnett W. Bryant, Y B. Band

Optical excitations of magnetoexcitons in T-shaped wires are calculated and compared with experiment. We find the single-particle states for electrons and holes

Time Measurement at the Millennium

March 1, 2001

Author(s)

James C. Bergquist, Steven R. Jefferts, David J. Wineland

The latest clocks use a single ion to measure time with an anticipated precision of on part in 10 18

How to Succeed at High Speed Machining

March 1, 2001

Author(s)

Matthew A. Davies, Tony L. Schmitz, Brian S. Dutterer

This article summarizes the experiences at NIST in High Speed Machining (HSM) over the past four years. It is a general, non-technical article that describe the

Slab Effects in SMRF Retrofit Connection Tests

March 1, 2001

Author(s)

S A. Civjan, M D. Engelhardt, John L. Gross

A series of six full-scale subassemblages were tested to investigate dogbone and haunch retrofits for pre-Northridge steel moment connections. Tests included

Nanoindentation of Polymers: An Overview

March 1, 2001

Author(s)

Mark R. VanLandingham, John S. Villarrubia, William F. Guthrie, G F. Meyers

Indentation measurements made with atomic force microscopy (AFM) probes are relative measurements, largely due to the lack of information regarding the tip

Suppression of Flux Jumps in Marginally Stable Niobium-Tin Superconductors

March 1, 2001

Author(s)

Ronald B. Goldfarb, Loren F. Goodrich, T Pyon, E. A. Gregory

Niobium-tin superconductor wires with coalesced filaments may have reduced adiabatic stability. Magnetization measurements on such marginally stable conductors

SiC Power Diodes Provide Breakthrough Performance for a Wide Range of Applications

March 1, 2001

Author(s)

Allen R. Hefner Jr., Ranbir Singh, Jih-Sheng Lai, David W. Berning, Sebastien Bouche, Christophe C. Chapuy

The electrical performance of Silicon Carbide (SiC) diodes are evaluated and compared to commercially available Silicon (Si) diodes in the voltage range from

NIST-Sponsored Interlaboratory Comparison of Polystyrene Molecular Mass Distribution Obtained by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry: Statistical Analysis

March 1, 2001

Author(s)

Charles M. Guttman, S Wetzel, William R. Blair, B M. Fanconi, Kathleen M. Flynn, R J. Goldschmidt, William E. Wallace, David L. VanderHart

Matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS) is becoming a new and important technique in synthetic polymer

Nanoparticle Formation Within Dendrimer-Containing Polymer Networks: Route to New Organic-Inorganic Hybrid Materials

March 1, 2001

Author(s)

Franziska Grohn, Barry J. Bauer, G Kim, Eric J. Amis

Higher generation polyamidoamine (PAMAM) dendrimers have the unique ability to act as templates for the formation of inorganic nanoclusters. Here, we use

Sub-Picowatt Precision Radiometry Using Superconducting Transition Edge Sensor Bolometers

March 1, 2001

Author(s)

James A. Chervenak, Erich N. Grossman, Carl D. Reintsema, Kent D. Irwin, S. H. Mosely, C. A. Allen

We describe a cryogenic radiometric calibration system suitable for high sensitivity, low power bolometers. The system uses a variable temperature blackbody

Development of Low Cost (Sr, Ca)₃Al₂O₆ Dielectrics for Bi₂Sr₂CaCu₂O_8+δ Applications

March 1, 2001

Author(s)

Timothy J. Haugan, W. Wong-Ng, Lawrence P. Cook, Richard G. Geyer, H. J. Brown, L Swartzendruber, J. Kaduk

A Phase-Field Model for Highly Anisotropic Interfacial Energy

March 1, 2001

Author(s)

J J. Eggleston, Geoffrey B. McFadden, P W. Voorhees

A computationally efficient phase-field model is developed for two-phase systems with anisotropic interfacial energy. The approach allows for anisotropies

Morphological Stability of a Binary Alloy: Thermodiffusion and Temperature-Dependent Diffusivity

March 1, 2001

Author(s)

S R. Vanaerenbergh, Sam R. Coriell, Geoffrey B. McFadden

The effect of the temperature dependent solute diffusion coefficient on the morphological stability of a binary alloy during directional solidification is

The Interoperable Message Passing Interface (IMPI) Extensions to LAM/MPI

March 1, 2001

Author(s)

J M. Squyers, A Lumsdaine, William L. George, John G. Hagedorn, J E. Devaney

Interoperable Message Passing Interface (IMPI) is a protocol specification to allow multiple MPI implementations to cooperate on a single MPI job. Unlike

Effects of Annealing on the Microstructure and Giant Magnetoresistance of Co-Cu-Based Spin Valves

March 1, 2001

Author(s)

M A. Mangan, G Spanos, Robert McMichael, P J. Chen, William F. Egelhoff Jr.

The effect of annealing on the microstructure and giant magnetoresistive properties of NiO/Co/Cu/Co bottom spin valves is investigated using the conventional

Model of a Fiber-Optic Evanescent-Wave Fluorescence Sensor

March 1, 2001

Author(s)

D L. Woerdeman, Richard~undefined~undefined~undefined~undefined~undefined Parnas

A fiber-optic cure sensor based on evanescent wave fluorescence spectroscopy has been designed to probe the interphase region of glass-reinforced composites

Thermal Conductivity and Thermal Diffusivity of Selected Oxide Single Crystals

March 1, 2001

Author(s)

A Stanimirovic, N M. Balzaretti, A Feldman, J Graebner

Values for the thermal conductivity k and the thermal diffusivity D of four oxide single crystals have been obtained. Near room temperature the values are

Suppression of Lateral Phase Separation in Thin Polyolefin Blend Films

March 1, 2001

Author(s)

Y A. Akpalu, Alamgir Karim, Sushil K. Satija, N P. Balsara

The effectiveness of a compatibilizer in suppressing lateral phase separation in thin polyolefin blend films is investigated as a function offilm thickness and