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Journals

Response to "Comment on 'Reinterpretation of the Spectra of Hydrated Co++: An Ab Initio Study'"

June 15, 2000

Author(s)

H S. Gilson, Morris Krauss

This is a response to comments on a previous paper. Reinterpretation of the Spectra of Hydrated Co++: an ab Initio Study.

Numerical Simulation of Liquid Composite Injection/Compression Moding. Part 1: Mesh Generation

June 14, 2000

Author(s)

K M. Pillai, C L. Tucker, Frederick R. Phelan Jr.

This paper presents a numerical simulation of the injection/compression type of liquid composite molding (LCI/CM), where the fiber preform is compressed to a...

Two-Dimensional Hard Dumbbells. I. Fluctuating Cell Model

June 8, 2000

Author(s)

S Gay, James C. Rainwater, P D. Beale

We apply the fluctuating cell model to the calculation of free energies and pressures of high density phases of two-dimensional hard dumbells using the...

Two-Dimensional Hard Dumbbells. II. Pressure in Terms of Free Volumes and Surfaces

June 8, 2000

Author(s)

S Gay, James C. Rainwater, P D. Beale

For systems of fused-hard-sphere molecules, we relate cavity distributions to free-volume distributions and derive new statistical geometry relations between...

Lattice Metric Singularities and Their Impact on the Indexing of Powder Patterns

June 8, 2000

Author(s)

Alan D. Mighell

A Lattice Metric Singularity occurs when unit cells defining two (or more) lattices yield the identical set of calculated d-spacings. The existence of such...

NIST Speaker Recognition Evaluation -- Overview, Methodology, Systems, Results, Perspective

June 2, 2000

Author(s)

G R. Doddington, Mark A. Przybocki, Alvin F. Martin, D A. Reynolds

This paper, based on three presentations at La Reconnaissance du Locuteur et ses Applications Commerciales et Criminalistiques (RLA2C) Workshop in Avignon...

New Effective Medium Theory for the Diffusivity or Conductivity of a Multi-Scale Concrete Microstructure Model

June 1, 2000

Author(s)

Edward J. Garboczi, J G. Berryman

To attempt to represent concrete properly as a composite material, one must consdier at least three phases: matrix, aggregates, and the interfacial transition...

Influence of Silica Fume on Diffusivity in Cement-Based Materials. I. Experimental and Computer Modeling Studies on Cement Pastes

June 1, 2000

Author(s)

Dale P. Bentz, O M. Jensen, A M. Coats, Frederik P. Glasser

Experimental and computer modeling studies are applied to determining the influence of silica fume on the microstructure and diffusivity of cement paste. It is...

Chemical Kinetics Database and Predictive Schemes for Humid Air Plasma Chemistry. Part I: Positive Ion Molecule Reactions

June 1, 2000

Author(s)

L W. Sieck, J T. Herron, David S. Green

An imaging-plate detector for small-angle neutron scattering

June 1, 2000

Author(s)

Y T. Cheng, David F. Mildner, Huaiyu H. Chen-Mayer, V. A. Sharov, Charles J. Glinka

Flux Pinning of Bi₂Sr₂CaCu₂O_8+γ/Ag Superconductors Utilizing (Sr,Ca)₁₄Cu₂₄O₄₁ Defects and Nanophase Al₂O₃ and Au Particles

June 1, 2000

Author(s)

T J. Haugan, Winnie K. Wong-Ng, Lawrence P. Cook, H J. Brown, L Swartzendruber, D T. Shaw

Investigations into flux pinning of Bi 2Sr 2 CaCu 2O 8+γ /Ag (Bi-2212/Ag) thick film conductors utilizing micron-sized (Sr,Ca) 14Cu 24O 41 and nanophase Al 2O 3...

Correlation of the optical gap of (Ba,Sr)yTiO_2+y thin films with film composition

June 1, 2000

Author(s)

L D. Rotter, Mark D. Vaudin, John E. Bonevich, Debra L. Kaiser, S 0. Park

A series of (Ba 1-x,Sr x)yTiO 2+y films with a wide range of y and x < 0.07 was grown by metalorganic chemical vapor deposition. The composition of the films...

New Low-Index Liquid Refractive Index Standard: SRM 1922

June 1, 2000

Author(s)

Jennifer R. Verkouteren, Stefan D. Leigh

A new standard for the calibration of refractometers has been developed. Standard Reference Material (SRM) 1922 is a mineral oil with a refractive index n D=1...

E-Glass/DGEBA/m-PDA Single Fiber Composites: The Effect of the Matrix Modulus on Interfacial Shear Strength Measurements

June 1, 2000

Author(s)

Gale A. Holmes, Walter G. McDonough, R C. Peterson, Donald L. Hunston

In this paper the nonlinear viscoelastic response of the diglycidyl ether of bisphenol-A (DGEBA)/meta-phenylenediamine (m-PDA) matrix was correlated with...

A Generalized Dielectric Polarization Evolution Equation

June 1, 2000

Author(s)

James R. Baker-Jarvis

Video Based Metrology

June 1, 2000

Author(s)

Theodore D. Doiron, John R. Stoup, Tsai Hong Hong, Marilyn N. Abrams

With the rapid growth of video-based measurement and inspection systems, we would like to determine the extent to which industry needs calibration artifacts and...

Controller Driven VRML Animation of a Real-Time Inspection System

June 1, 2000

Author(s)

Keith A. Stouffer, John A. Horst

Virtual objects in a web-based environment can be interfaced to and controlled by external real world controllers. A Virtual Reality Modeling Language (VRML)...

Is 'Implementation Implies Specification' Enough?

June 1, 2000

Author(s)

Paul E. Black

An implementation is typically checked against a specification by proving that the implementation implies the specification. This ensures that the...

Green's Function for Steady-State Heat Conduction in a Bimaterial Composite Solid

June 1, 2000

Author(s)

J R. Berger, J L. Skilowitz, Vinod K. Tewary

The derivation of a Green's function for steady-state heat conduction in anisotropic bimaterials is presented. The Green's function is obtained through a...

Anionic Effects on the Size and Shape of Aptite Crystals Grown From Physiological Solutions

June 1, 2000

Author(s)

E D. Eanes, A W. Hailer

Comparatively little is known of the role tissue fluid electrolytes have in establishing the size and shape of apatite crystals deposited in skeletal tissues...

Whisker-Reinforced Heat-Cured Dental Resin Composites: Effects of Filler Level and Heat-Cure Temperature and Time

June 1, 2000

Author(s)

Hockin D. Xu, Douglas T. Smith, Gary E. Schumacher, F Eichmiller

Extensive studies have been undertaken to improve the mechanical properties of resin composites to extend their use to large stress-bearing crown and multiple...

Structural Studies of Pulsed-Laser-Deposited Ba₄Fe₄Ti₃0₁₆ Oxide Films

June 1, 2000

Author(s)

Leonid A. Bendersky, R Maier, J L. Cohn, J J. Neumeier

In this paper the pulsed laser deposition on single-crystal Mg0 substrates of Ba(sub4)Fe(sub4)Ti(sub3)0(sub16) target has been studied by TEM and x-ray...

Extended Frequency Range Dielectric Measurements of Thin Films

June 1, 2000

Author(s)

F I. Mopsik

A method is described to measure the dielectric constant and loss of thin films. It employs a sample holder based on precision 50 {ohm} air line and can be used...

Effect of the Monomer and Filler Systems on the Remineralizing Potential of Bioactive Dental Composites Based on Amorphous Calcium Phosphate

June 1, 2000

Author(s)

Drago Skrtic, Joseph M. Antonucci, E D. Eanes

Amorphous calcium phosphate (ACP), because of its high solubility and its rapid transformation to hydroxyapatite (HAP) in aqueous environments, has been...

K-Scrambling in a Near-Symmetric Top Molecule Containing an Excited Non-Coaxial Internal Rotor

June 1, 2000

Author(s)

J Ortigoso, Jon T. Hougen

Classical trajectories on rotational energy surfaces and coherent-state quantum projections have been used to study an asymmetric-top molecule containing a...

Electron Correlation in Electron-Impact Ionization of Hydrogen-Like Atoms

June 1, 2000

Author(s)

Yong Sik Kim

The role of correlation between the incident and target electron in electron-impact ionization of hydrogen-like ions is discussed using a simple, analytic cross...

High-Resolution Frequency Standard at 1030 nm for Yb: YAG Solid-State Lasers

June 1, 2000

Author(s)

Jun Ye, L -. Ma, John L. Hall

A diode pumped solid-state YB:YAG laser has been stabilized to a high finesse cavity with an all-external servo loop. Ultrasensitive cavity enhanced frequency...

Selected Programs at the New SURF III Electron Storage Ring

June 1, 2000

Author(s)

Mitchell L. Furst, Uwe Arp, G P. Cauchon, A D. Hamilton, L R. Hughey, Thomas B. Lucatorto, Charles S. Tarrio

The conversion of the electron storage ring at NIST (the National Institute of Standards and Technology) to SURF III (the Synchrotron Ultraviolet Radiation...

Doppler-Free Nonlinear Absorption in Ethylene by Use of Continuous-Wave Cavity Ringdown Spectroscopy

June 1, 2000

Author(s)

C R. Bucher, K K. Lehmann, David F. Plusquellic, Gerald T. Fraser

We report the first systematic study of Doppler-free, nonlinear absorption using cavity ring-down spectroscopy. We have developed a variant of cavity ring-down...

Ideal Gases in Time-Dependent Traps

June 1, 2000

Author(s)

G M. Bruun, Charles W. Clark

We investigate theoretically the properties of an ideal trapped gas in a time-dependent harmonic potential. Using a scaling formalism, we are able to present...

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