Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Morphological Partitioning of Ethylene Defects in Random Propylene-Ethylene Copolymers

August 1, 2000

Author(s)

R G. Alamo, David L. VanderHart, Marc R. Nyden, L Mandelkern

A series of four propylene/ethylene, metallocene-catalyzed copolymer samples, with ethylene mole fractions ranging from 0.8 to 7.5 mol % and melt

Theory of Four-Wave Mixing of Matter Waves from a Bose-Einstein Condensate

August 1, 2000

Author(s)

M Trippenbach, Y B. Band, Paul S. Julienne

A recent experiment [Deng et al., Nature 398, 218 (1999)] demonstrated the four-wave mixing of matter wavepackets created from a Bose-Einstein condensate. The

Intercombination and Forbidden Transition Rates in C- and N-Like Ions (O²⁺, F³⁺ and S⁹⁺) Measured at a Heavy-Ion Storage Ring

August 1, 2000

Author(s)

E Trabert, A G. Calamai, John D. Gillaspy, G Gwinner, X Tordoir, A Wolf

Rates of an intercombination transition and of several electric-dipole forbidden transitions between the levels of the ground state in C-like ions of O and F

Photoelectron Spectroscopic Determination of the Energy Bandwidths of High-Order Harmonics (7th-55th) Produced by an Ultrafast Laser in Neon

August 1, 2000

Author(s)

L Nugent-Glandorf, M Scheer, M Krishnamurthy, J W. Odom, S R. Leone

The energy bandwidths of high-order harmonics of a Ti:sapphire ultrafast laser are extracted from electron kinetic-energy measurements of the photoionization of

Stable ⁸⁵Rb Bose-Einstein Condensates With Widely Tunable Interactions

August 1, 2000

Author(s)

S L. Cornish, N R. Claussen, J L. Roberts, Eric A. Cornell, C E. Wieman

Bose-Einstein condensation has been achieved in a magnetically trapped sample of 85Rb atoms. Long-lived condensates of up to 10 4 atoms have been produced by

Accurate Transition Rates for the 5p-5s Transitions in Kr I

August 1, 2000

Author(s)

Krzysztof Dzierzega, U Volz, Gillian Nave, Ulf Griesmann

Branching fractions were measured for electric dipole transitions for the 5p upper levels to the 5s levels in neutral Krypton atoms. The measurements were made

Bovine Retinal Nucleoside Diphosphate Kinase: Biochemistry and Molecular Cloning

August 1, 2000

Author(s)

N G. Abdulaev, D Kakuev, K D. Ridge

Signal transduction in vertebrate photoreceptor cells begins with absorption of light by the visual pigment rhodopsin and culminates in the closure of ion

Effects of Interaction Potential on Elastic-Electron-Scattering Parameters in Surface-Sensitive Electron Spectroscopies

August 1, 2000

Author(s)

Aleksander Jablonski, Cedric J. Powell

The interaction potential for elastic scattering of electrons by atoms influences the magnitudes of calculated elastic-scattering cross sections. We have

Silicon Oxynitride Film Thickness Measurements Using HRTEM and Grazing Incidence X-Ray Photoelectron Spectroscopy (GIXPS)

August 1, 2000

Author(s)

J H. Scott, E Landree, Terrence J. Jach, Eric S. Windsor

The ability to accurately and precisely measure the thickness of ultrathin (∝ 3nm) dielectric films, used as gate dielectrics in integrated circuits, is

Function-to-Form Mapping: Model, Representation and Applications in Design Synthesis

August 1, 2000

Author(s)

Sudarsan Rachuri

Design of a new artifact begins with incomplete knowledge about the final product and the design evolves as it progresses from the conceptual design stage to a

The Internet Journal of Chemistry: A Case Study of an Electronic Chemistry Journal

August 1, 2000

Author(s)

S M. Bachrach, Stephen R. Heller

For the past two years, the Internet Journal of Chemistry has published, exclusively on the web, peer-reviewed articles in all areas of chemistry. The

C30 Self-Assembled Monolayers on Silica, Titania and Zirconia: HPLC Performance, Atomic Force Microscopy and NMR Studies of Molecular Dynamics and Uniformity of Coverage

July 26, 2000

Author(s)

M. Pursch, D. L. Vanderhart, Lane C. Sander, X. Gu, T. H. Nguyen, Stephen Wise

In Situ Spectroscopic Ellipsometry of Low-Temperature-Grown GaAs

July 24, 2000

Author(s)

Donald A. Gajewski, Jonathan E. Guyer

Temperature Dependence of the Formal Reduction Potential of Putidaredoxin

July 20, 2000

Author(s)

Vytautas Reipa, Marcia J. Holden, M P. Mayhew, V L. Vilker

Putidaredoxin (Pdx), a [2Fe-2S] redox protein of size M r transfers two electrons in two separate steps from the flavin containing putidaredoxin reductase to

Flammability Properties of Polymer-Layered-Silicate Nanocomposites, Polypropylene and Polystyrene Nanocomposites

July 17, 2000

Author(s)

Jeffrey W. Gilman, C L. Jackson, A B. Morgan, Richard H. Harris Jr., E Manias, E P. Giannelis, M Wuthenow, David Hilton, S H. Phillips

Our continuing study of the mechanism of flammability reduction of polymer-layered-silicate nanocomposites has yielded results for polypropylene-graft-maleic

Certification of Ceramic Particle Size Distribution Reference Materials at NIST

July 17, 2000

Author(s)

James F. Kelly, P Pei

The availability of certified or reference particle size distributions has become increasingly important for the testing and certification of equipment used in

Cytochrome c at Model Membrane Surfaces: Exploration via Second Harmonic Generation - Circular Dichroism and Surface-Enhanced Resonance Raman Spectroscopy

July 11, 2000

Author(s)

T Petralli-Mallow, Anne L. Plant, M Lewis, J Hicks

The novel nonlinear optical method second harmonic generation-circular dichroism (SHG-CD) has been used to follow the adsorption and redox properties of a

Preliminary Observations of Water Movement in Cement Pastes During Curing Using X-Ray Absorption

July 1, 2000

Author(s)

Dale P. Bentz, K K. Hansen

X-ray absorption equipment and concurrent mass measurements are used in quantifying water movement in 4 to 5 mm thick cement paste specimens with their top

Influence of Silica Fume on Diffusivity in Cement-Based Materials II. Multi-Scale Modeling of Concrete Diffusivity

July 1, 2000

Author(s)

Dale P. Bentz

Based on a set of multi-scale computer models, an equation is developed for predicting the chloride ion diffusivity of concrete as a function of water-to-cement

Improving the Cytochrome P450 Enzyme System for Electrode-Driven Biocatalysis of Styrene Epoxidation

July 1, 2000

Author(s)

M P. Mayhew, Vytautas Reipa, Marcia J. Holden, V L. Vilker

Cytochrome P450 enzymes catalyze a vast array of oxidative and reductive biotransformations that are potentially useful for industrial and pharmaceutical

Enhanced Capacity for Electrophoresis and Chromatography Separations and the Associated Samples.

July 1, 2000

Author(s)

Kenneth D. Cole

Enachanced Capacity for Electrophoretic Capture of Plasmid DNA by Agarase Treatment of Agarase Gels.

July 1, 2000

Author(s)

Kenneth D. Cole

Diffusion Bias and Photophysical Dynamics of Single Molecules in Unsupported Lipid Bilayer Membranes Probed with Confocal Microscopy

July 1, 2000

Author(s)

D L. Burden, John J. Kasianowicz

We utilize scanning confocal fluorescence microscopy to interrogate single fluorescent lipid molecules in unsupported planar bilayers. At high photon flux, an

Concentrations of Polychlorinated Biphenyls (PCB's), Chlorinated Pesticides, and Heavy Metals and Other Elements in Tissues of Belugas, Delphinapterus leucas, from Cook Inlet, Alaska,

July 1, 2000

Author(s)

Paul R. Becker, M.M. Krahn, Elizabeth A. Mackey, Rabia Oflaz, Michele M. Schantz, Michael Epstein, M.K. Donais, Barbara J. Porter, D.C.G. Muir, Stephen A. Wise

Standard Test Data for Estimating Peak Parameter Errors in X-Ray Photoelectron Spectroscopy: II. Peak Intensities

July 1, 2000

Author(s)

Joseph M. Conny, Cedric J. Powell

Standard test data for x-ray photoelectron spectroscopy (XPS-STD) have been developed for determining bias and random error in peak parameters derived from

FIPS 140-2 The Next Generation (The Cryptographic Module Validation Program)

July 1, 2000

Author(s)

Stanley R. Snouffer

On July 17, 1995, NIST established the Cryptographic Module Validation Program (CMVP) which validates cryptographic modules to Federal Information Processing

Measurements in Support of Research Accomplishments

July 1, 2000

Author(s)

D S. Pallett, John S. Garofolo, Jonathan G. Fiscus

This paper reviews the role provided by the National Institute of Standards and Technology (NIST) in the development of measurements in support of broadcast

Building a Question Answering Test Collection

July 1, 2000

Author(s)

Ellen M. Voorhees, D M. Tice

The TREC-8 Question Answering (QA) Track was the first large-scale evaluation of domain-independent question answering systems. In addition to fostering

Temperature Effects on Fatigue of Polymer Composites

July 1, 2000

Author(s)

Hai C. Tang, Tinh Nguyen, Tze J. Chuang, Joannie W. Chin, Hanchang F. Wu, J Lesko

Fiber-reinforced polymeric composites provide lightweight, high strength, and corrosive resistance to severe environmental exposures. These composites have been

Effect of Surface Free Energy Anisotropy on Dendrite Tip Shape

July 1, 2000

Author(s)

Geoffrey B. McFadden, Sam R. Coriell, R F. Sekerka

In previous work, we found approximate solutions for paraboloids having perturbations with four-fold axial symmetry in order to model dendritic growth in cubic

Was this page helpful?