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Journals

Remineralization Effects of A Two-Solution Fluoride Mouthrinse: An in situ Study

October 1, 1999

Author(s)

Laurence C. Chow, Shozo Takagi, Clifton M. Carey, B A. Sieck

Results from previous studies showed that a two-component fluoride (F) rinse is significantly more effective than a NaF rinse of the same F content 250 g/g (ppm

Diffusion in Partially Saturated Porous Materials

October 1, 1999

Author(s)

Nicos Martys

The diffusive transport of ions in two classes of porous media was studied as a function of fluid saturation and wetting properties. A lattice Boltzmann method

Ultrasensitive Surface Spectroscopy With a Miniature Optical Resonator

October 1, 1999

Author(s)

A C. Pipino

The number density and orientation of molecules at a surface can be probed with extremely high sensitivity by employing a miniature total-internal-reflection

An Accurate Method for Measuring the Dielectric Constant of Printed Wiring Board Materials

October 1, 1999

Author(s)

Nicholas G. Paulter Jr.

Microwave Network Analyzers: A Discussion of Verification Methods

October 1, 1999

Author(s)

Ronald A. Ginley

Comparison of Microwave and Mutual Inductance Measurements of the Inductive Nonlinearity of HTS Thin Films

October 1, 1999

Author(s)

John H. Claassen, James Booth, James A. Beall, Leila R. Vale, David A. Rudman, Ronald H. Ono

Complex Permittivity of Some Ultra-Low Loss Crystals at Cryogenic Temperature

October 1, 1999

Author(s)

Jerzy Krupka, Kristof Derzakowski, M. E. Tobar, J. G. Hartnett, Richard G. Geyer

Abstracting Formal Specifications to Generate Software Tests via Model Checking

October 1, 1999

Author(s)

P E. Ammann, Paul E. Black

A recent method combines model checkers with specification-based mutation analysis to generate test cases from formal software specifications. However high

Statistics of Shear-Induced Rearrangements in a Two-Dimensional Model Foam

October 1, 1999

Author(s)

S Tewari, D Schiemann, D J. Durian, C M. Knobler, Stephen A. Langer, A J. Liu

Under steady shear, a foam relaxes stress through intermittent rearrangements of bubbles accompanied by sudden drops in the stored elastic energy. We use a

XPS Study of the Dehydration of Clay and Kaolin Powders

October 1, 1999

Author(s)

T N. Wittberg, P S. Wang

X-ray photoelectron spectroscopy (XPS) was used to analyze samples of a commercial clay powder and a kaolin standard. Samples were analyzed both in the as

Optical Band Gap Dependence on Composition and Thickness of In_xGa_1-xN(0 less than} x less than} 0.25) Grown on GaN

October 1, 1999

Author(s)

C A. Parker, J C. Roberts, S M. Bedair, M J. Reed, S X. Liu, N A. El-Masry, Larry Robins

Band gap measurements have been carried out in strained and relaxed In xGa 1-xN epilayers with x > 0.25. Values of x were determined from x-ray diffraction (XRD

Lattice Model of Living Polymerization I. Basic Thermodynamic Properties

October 1, 1999

Author(s)

J Dudowicz, Karl Freed, Jack F. Douglas

A Flory-Huggins type model of living polymerization is formulated, incorporating chain stiffness, variable initiator concentration and polymer-polymer

Watching a Superfluid Untwist Itself: Recurrence of Rabi Oscillations in a Bose-Einstein Condensate

October 1, 1999

Author(s)

M R. Matthews, B P. Anderson, P C. Haljan, D S. Hall, Juana S. Williams, C E. Wieman, Eric A. Cornell

The order parameter of a condensate with two internal states can continuously distort in such a way as to remove twists that have been imposed along its length

Initial- and Final-State Alignment and Orientation Effects in Ca Energy Pooling

October 1, 1999

Author(s)

Harold V. Parks, S R. Leone

An experimental investigation is performed to determine the initial- and final-state alignment effects in the energy-pooling process Ca(4s4p 3P 1) + Ca(4s4p 1P

Dynamics of Collisional Alignment in Supersonic Expansions: Trajectory Studies of He + Co, O₂ and CO₂

October 1, 1999

Author(s)

J R. Fair, David Nesbitt

Classical trajectory calculations have been performed on experimentally determined intermolecular potentials for He-O 2, He-CO, and He-CO 2 in order to simulate

The Structure and Ground State Dynamics of Ar-IH

October 1, 1999

Author(s)

A McIntosh, Z Wang, J Castillo-Chara, R R. Lucchese, J W. Bevan, R D. Suenram, A C. Legon

The structure and ground state dynamics of the atom-diatom dimer interaction between Ar and HI has been investigated by microwave and near infrared supersonic

Electron Collision Cross Section Data For Plasma Modeling

October 1, 1999

Author(s)

W M. Huo, Yong Sik Kim

An overview of the current status in electron collision cross section database for plasma modeling is presented. Emphasis is on dissociation, ionization, and

Kinetic Study of the Reactions of CF₃O₂ Radicals with Cl and NO

October 1, 1999

Author(s)

F Louis, Donald R. Burgess Jr., M Rayez, J P. Sawerysyn

Kinetic studies of the reactions CF 3O 2 + Cl and CF 3O 2 + NO were performed at room temperature in the gas phase using the discharge flow/mass spectrometric

The Injecting Energy at Molecule/Metal Interfaces: Implications for Conductance of Molecular Junctions From an Ab-Initio Molecular Description

October 1, 1999

Author(s)

S Yaliraki, A. E. Roitberg, Carlos A. Gonzalez, V Mujica, M Ratner

To study the electronic transport of molecular wire circuits, we present a time-independent scattering formalism which includes an \it ab-initio} description of

Thermodynamic Properties of Air from 60 to 2000 K at Pressures up to 2000 Mpa

October 1, 1999

Author(s)

M D. Panasiti, Eric Lemmon, S G. Penoncello, R. T. Jacobsen, Daniel G. Friend

A thermodynamic property formulation for standard dry air based upon experimental P-p-T, heat capactiy, and speed of sound data and predicted values, which

Ion-Exchanged Er³⁺/Yb³⁺ Glass Waveguide Lasers in Silicate Glasses

October 1, 1999

Author(s)

P. M. Peters, D. L. Veasey, David S. Funk, Norman Sanford, S. N. Houde-Walter, Joseph S. Hayden

Erbium and Ytterbium Waveguide Lasers in Phosphate Glass

October 1, 1999

Author(s)

David S. Funk, P. M. Peters, D. L. Veasey, Norman Sanford, Joseph S. Hayden

Video Surveillance Equipment Selection and Application Guide

October 1, 1999

Author(s)

A G. Lieberman, D J. Atkinson, V J. Pietrasiewicz, K E. Junker

The guide begins with a discussion of typical video surveillance assignments, that is, a definition of user requirements for the law enforcement and corrections

Robust SOLT and Alternative Calibrations for Four-Sampler Vector Network Analyzers

October 1, 1999

Author(s)

Jeffrey Jargon, Roger Marks, D. K. Rytting

This paper assesses the accuracy of several proposed lumped-element calibration techniques for four-sampler vector network analyzers in the face of imperfectly

Characterizing Lumped-Element Calibrations for Four-Sampler Vector Network Analyzers

October 1, 1999

Author(s)

Jeffrey Jargon, Roger Marks, D. K. Rytting

An Improved Empirical Correlation for the Thermal Conductivity of Propane

October 1, 1999

Author(s)

M L. Ramires, Carlos A. Nieto de Castro, Richard A. Perkins

New experimental data on the thermal conductivity of propane have been reported since the wide-range correlations proposed by Holland et al. And by Younglove

Effect of Heating Boundary Conditions on Pool Boiling Experiments

October 1, 1999

Author(s)

J Darabi, M M. Ohadi, M A. Fanni-Tabrizi, S V. Dessiatoun, Mark A. Kedzierski

The two widely used experimental methods for pool boiling experiments are evaluated. Boiling heat transfer data employing either the water or electric heating

The Role of Solid State¹³C NMR Spectroscopy in Studies of the Nature of Native Celluloses

October 1, 1999

Author(s)

R H. Atalla, David L. VanderHart

Published spectroscopic observations pertaining to the crystal structure of native celluloses are reviewed for the purpose of defining our current level of

Full-Wave Analysis of a Split-Cylinder Resonator for Nondesructive Permittivity Measurements

October 1, 1999

Author(s)

Michael D. Janezic, James R. Baker-Jarvis

This paper presents a full-wave analysis of the split-cylinder resonator. We outline a model where the fringing fields are rigorously accounted for and the

New Antenna Positioner Improves NIST's Capabilities

October 1, 1999

Author(s)

G. Kangiser, Dennis G. Camell

Antenna and electric field probe calibration requires precise positioning and movement throughout a known RF field Measurements are usually made in an anechoic

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