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Journals

Time-Base Nonlinearity Determination Using Iterated Sine-Fit Analysis

October 1, 1998

Author(s)

Gerard N. Stenbakken, J. P. Deyst

A new method is presented to determine the time-base errors of sampling instruments. The method does not require a model for the time-base error and, thus

Gapped Arresters Revisited: A Solution to Cascade Coordination

October 1, 1998

Author(s)

A. Mansoor, Francois D. Martzloff, K. O. Phipps

This paper provides a brief perspective on how the coordination of cascaded surge-protective devices (SPDs) has become an issue. We propose an approach where

A Pulse Measurement Intercomparison

October 1, 1998

Author(s)

T. M. Souders, J R. Andrews, A. Caravone, J. P. Deyst, C. Duff, S. Naboicheck

A pulse measurement intercomparison, organized by (NIST) and conducted by the authors in their respective labs, is described. The purpose was to assess the

The Three Components of Reflection

October 1, 1998

Author(s)

Edward F. Kelley, George R. Jones Jr., Thomas Germer

The FERET Verification Testing Protocol for Face Recognition Algorithms

October 1, 1998

Author(s)

S A. Rizvi, P. Jonathon Phillips, H Moon

Two critical performance characterizations of biometric algorithms, including face recogntion, are identification and verification. In face recognition, FERET

The Surface Area of Cement Paste as Measured by Neutron Scattering -- Evidence for Two C-S-H Morphologies

October 1, 1998

Author(s)

J Thomas, Hamlin M. Jennings, Andrew J. Allen

Small-angle neutron scattering was used to measure the effect of water-to-cement ratio [w/c] and cement batch variation on the surface area of ordinary Portland

Effect of Hydrogen on Pb(Zr,Ti)O₃-Based Ferroelectric Capacitors

October 1, 1998

Author(s)

S R. Perusse, C W. Tipton, H D. Drew, T Venkatesan, R Ramesh, D B. Romero, V B. Podobedov, A Weber

The properties of ferroelectric films are known to degrade when subjected to hydrogen in forming gas anneals. Earlier studies have attributed this degradation

Investigations of Nonlinear Femtosecond Pulse Propagation with the Inclusion of Raman, Shock, and Third-Order Phase Effects

October 1, 1998

Author(s)

A A. Zozulya, Scott Diddams, Tracy S. Clement

The propagation of intense femtosecond pulses in a nonlinear, dispersive bulk medium investigated numerically in the regime where the combined effects of

Crossover Approach to Scaling Behavior in Dilute Polymer Solutions Theory and Simulation

October 1, 1998

Author(s)

L L. Lue, S B. Kiselev

We develop a crossover theory for dilute polymer solutions, analogous to crossover theories for critical phenomena in simple fluids.

Lessons Learned Developing Protocols for the Industrial Virtual Enterprise

October 1, 1998

Author(s)

Martin Hardwick, KC Morris, D L. Spooner, T Rando, Peter O. Denno

The National Industrial Infrastructure Protocols (NIIIP) Consortium formed in 1994 to develop protocols to allow for manufacturers and their suppliers to

National Institute of Standards and Technology - Texas Instruments Industrial Collaboratory Testbed

October 1, 1998

Author(s)

Michael T. Postek, Marylyn H. Bennett, N J. Zaluzec, Thomas E. Wheatley, Samuel N. Jones

A portion of the mission of the NIST Manufacturing Engineering Laboratory (MEL) is to improve and advance length metrology in aid of U.S. Industry. This

Investigations of Nonlinear Femtosecond Pulse Propagation with the Inclusion of Raman, Shock and Third Order Phase Effects

October 1, 1998

Author(s)

A. A. Zozulya, Scott Diddams, Tracy S. Clement

Thermal Characterization of a Cryogenic Radiometer and Comparison with a Laser Calorimeter

October 1, 1998

Author(s)

David J. Livigni, Christopher L. Cromer, Thomas Scott, T J. Johnson, Nien F. Zhang

Maximum Entropy Methods for Graph-Valued Random Objects

September 30, 1998

Author(s)

D L. Banks

Many problems entail the analysis of data that are independent and identically distributed random objects, such as graphs, sequences, partitions, and

Using Self-Assembly to Control the Structure of DNA Monolayers on Gold: A Neutron Reflectivity Study

September 30, 1998

Author(s)

R Levicky, T M. Herne, Michael J. Tarlov, Sushil K. Satija

Neutron reflectivity was used to determine the concentration profiles of oligomeric DNA monolayers on gold in the high salt (1M NaCl). These monolayers are of

Mechanical Properties of Si₀₂ and Si₃N₄ Coatings: A BAM/NIST Cooperative Project

September 24, 1998

Author(s)

U Beck, Douglas T. Smith, G Reiners, S J. Dapkunas

Mechanical properties, i.e., hardness and elastic modulus, of amorphous Si 02 and Si 3N^4^ PE-CVD coatings have been studied for two coating thicknesses (0.1 υm

Ultraviolet Absorption Spectrum and Cross Sections of Vinyl [C₂H₃] Radical in the 225-238 nm Region

September 15, 1998

Author(s)

Askar Fahr, P Hassanzadeh, D B. Atkinson

The room temperature gas phase ultraviolet absorption spectrum and cross sections of vinyl [C 2H 3] radicals have been determined in the spectral range 225 nm

Critical Viscosity of the Ionic Mixture Triethyl n-Hexyl Ammonium Triethyl n-Hexyl borate in Diphenyl Ether

September 15, 1998

Author(s)

S. Wiegand, Robert F. Berg, Johanna M.H. Levelt-Sengers

The Growth Kinetics of Nanocrystalline ZnO Colloidal Solutions

September 11, 1998

Author(s)

E M. Wong, John E. Bonevich, P C. Searson

Colloidal chemistry techniques were used to synthesize ZnO particles in the nanometer size regime. Although the synthesis and unique properties of these

Binding and Electron Transfer Between Putidaredoxin and Cytochrome P450cam (CYP101). Theory and Experiments

September 9, 1998

Author(s)

A. E. Roitberg, Marcia J. Holden, M P. Mayhew, I V. Kurnikov, D N. Beratan, V L. Vilker

A necessary step in understanding biological function in multiple metalloprotein redox systems is the description of protein-protein binding and electron

Trace Element Detection at Nanometer Scale Spatial Resolution

September 1, 1998

Author(s)

Dale E. Newbury

Trace elemental constituents present in materials at concentration levels below 0.01 mass fraction can exert significant control on important electronic

Thermodynamics of the Lipase Catalyzed Esterification of 1-Dodecanoic Acid and 1-Dodecanol in Organic Solvents

September 1, 1998

Author(s)

Yadu D. Tewari

Lipase immobilized on controlled-pore glass beads was used to catalyze the esterification of 1-dodecanol and 1-dodecanoic acid in organic solvents. Equilibrium

Electroacoustic Analysis in Processing of Advanced Ceramics

September 1, 1998

Author(s)

Vincent A. Hackley, U Paik

Finely dispersed systems such as emulsions and colloidal suspensions are recognized as playing a critical role in many important industrial processes. Many of

Isopiestic Investigation of the Osmotic and Activity Coefficients of Aqueous MgSO₄ and the Solubility of MgSO₄X7H₂O(cr) at 298.15K: Thermodynamic Properties of the MgSO₄ + H₂O System

September 1, 1998

Author(s)

Donald G. Archer, J A. Rard

Isopiestic determinations of the osmotic coefficient of MgSO 4(aq) against NaCl(aq) and Kcl(aq) reference standards were performed with long equilibration times

Doping Effects and Reversibility Studies on Gas-Exposed (Alpha)-Sexithiophene Thin Films

September 1, 1998

Author(s)

C Kendrick, Stephen Semancik

The electronic effects produced by controlled gas exposures on [alpha]-sexithiophene thin films have been investigated using x-ray photoelectron spectroscopy

Interleave in Peace, or Interleave in Pieces

September 1, 1998

Author(s)

Isabel M. Beichl, F Sullivan

Bit interleaving is a technique that sometimes can collapse a problem of high-dimensional data to one of lower dimensional data. Our favorite use is going from

Crystal Structure of Strontium Potassium Arsenate Octahydrate

September 1, 1998

Author(s)

M Mathew

The crystal structure of strontium potassium arsenate octahydrate, SrKAsO 4.8H 2O, has been determined by single crystal x-ray diffraction. The crystals are

A Strain-Based Methodology for High Temperature Lifetime Prediction

September 1, 1998

Author(s)

Sheldon M. Wiederhorn, William E. Luecke, Ralph Krause

In structural materials, lifetime is often strain-determined. Once a part exceeds its allowable strain, its functional integrity is lost. Although most ceramics

Mechanical Hardness: Atomic-Level Calculations for Diamond-Like Materials

September 1, 1998

Author(s)

D G. Clerc

Calculations of atomic-level mechanical hardness are reported for fice diamond-like materials: diamond, silica, β-silicon-carbide, β-boron-nitride, and boron

Visualization of Dendrimer Molecules by Transmission Electron Microscopy (TEM): Staining Methods and Cryo-TEM of Vitrified Solutions

September 1, 1998

Author(s)

C L. Jackson, H D. Chanzy, F P. Booy, B Drake, D A. Tomalia, Barry J. Bauer, Eric J. Amis

Images of individual dendrimer molecules of poly(amidoamine) (PAMAM) from generation 10 (G10) to G5 were imaged by conventional transmission electron microscopy