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

Evaluation of a pyroelectric detector with a carbon multiwalled nanotube black coating in the infrared

February 20, 2006

Author(s)

Evangelos Theocharous, Rohit Deshpande, Anne Dillon, John H. Lehman

The performance of a pyroelectric detector with a carbon multiwalled nanotube coating was evaluated in the 0.9-14 υm wavelength range. The relative spectral...

Quadrupole moments and hyperfine constants of metastable states of Ca⁺, Sr⁺, Ba⁺, Yb⁺, Hg⁺, and Au

February 17, 2006

Author(s)

Wayne M. Itano

Atomic quadrupole moments and hyperfine constants of the metastable 2 d3/2,5/2 states of Ca +, Sr +, Ba +, Yb +, and Hg + are calculated by the...

Wavelengths, Transition Probabilities and Energy Levels for the Spectra of Rubidium (Rb I through Rb XXXVII)

February 16, 2006

Author(s)

Jean E. Sansonetti

Energy levels, with classifications and uncertainties, have been compiled for the spectra of the neutral atom and all positive ions of rubidium (Z=37)...

Development of surface-based assays for transmembrane proteins: Selective immobilization of functional CCR5, a G protein-coupled receptor

February 15, 2006

Author(s)

Vitalii I. Silin, E. Karlik, K D. Ridge, David J. Vanderah

The Distillation and Volatility of Ionic Liquids

February 15, 2006

Author(s)

Martyn J. Earle, Jose M. Esperanca, Manuela A. Gilea, Luis P. Rebelo, Kenneth R. Seddon, Joe W. Magee, Jason A. Widegren

The distillation of a variety of ionic liquids is demonstrated for the first time. The distillations are performed at moderate to high temperatures and at...

Measurement of water permeation kinetics across reverse osmosis and nanofiltration membranes: apparatus development

February 15, 2006

Author(s)

Katie Benko, J J. Pellegrino, Larry W. Mason, Kevin Price

An apparatus has been developed to accurately measure the unsteady permeation of pure water through permselective reverse osmosis (RO) and nanofiltration...

The Role of Interactions, Tunneling and Harmonic Confinement on the Adiabatic Loading of Bosons in Anoptical Lattice.

February 10, 2006

Author(s)

A M. Rey, G Pupillo, James V. Porto

We calculate entropy-temperature curves for interact in bosons in unit filled optical lattices for both homogeneous and harmonically trapped situations, and use...

High-resolution spectral hole burning in InGaAs/GaAs quantum dots

February 10, 2006

Author(s)

Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman

We report the use of continuous wave spectral hole burning to perform high-resolution spectroscopy of the homogeneous linewidth of self-assembled InGaAs/GaAs...

Frequency-Dependent Polarizabilities of Alkali Atoms From Ultraviolet Through Infrared Spectral Regions

February 9, 2006

Author(s)

M S. Safronova, B Arora, Charles W. Clark

We present results of first-principles calculations of the frequency-dependent polarizabilities of all alkali atoms for light in the wavelength range 300-1600...

Quantitative Comparison of Real and CEMHYD3D Model Microstructures Using Correlation Functions

February 8, 2006

Author(s)

Dale P. Bentz

A quantitative comparison of real and computer-generated (model) cement paste microstructures based on the analysis of three-dimensional image sets is presented...

Energy Levels and Spectral Lines of Ne VII

February 8, 2006

Author(s)

Alexander Kramida, M-C Buchet-Poulizac

All experimental data on Ne VII, including previously unpublished beam-foil spectroscopy data, have been compiled and critically evaluated. More than a hundred...

Entropy Theory of Polymer Glass-Formation Revisited. II. Influence of Mass, Pressure, and Size of Side Groups and Similarities to Equilibrium Polymerization

February 8, 2006

Author(s)

J Dudowicz, Karl Freed, Jack F. Douglas

Recent measurements reveal striking trends in the variation of fragility (the strength of the temperature dependence of the fluid viscosity) of glass-forming...

Local Structures and Raman Spectra in the Ca(Zr,Ti)O₃ Perovskite Solid Solutions

February 7, 2006

Author(s)

Igor Levin, Eric J. Cockayne, M W. Lufaso, Joseph C. Woicik, James E. Maslar

Local structures and cation distributions in perovskite Ca(Zr, Ti)O3 solid solutions were analyzed using X-ray absorption fine structure and pair-distribution...

Dynamic Simulation and Modeling of a Road Vehicle

February 2, 2006

Author(s)

Tsung-Ming Tsai

Automated driving of road vehicles needs to use a simulation environment to develop control programs. A vehicle dynamic simulation program was implemented into...

Measuring the Size Dependence of Young's Modulus Using Force Modulation Atomic Force Microscopy

February 2, 2006

Author(s)

William J. Price, S A. Leigh, Stephen M. Hsu, T E. Patten, Guangyao Liu

Thermally Assisted Atom Transfer on Surfaces

February 1, 2006

Author(s)

John William Gadzuk

The low-temperature rates for site-to-site transfer of single atoms and molecules adsorbed on surfaces have been determined in recent scanning tunneling...

Technometrics: Statistics for the Quality Control Chemistry Laboratory [Book Review]

February 1, 2006

Author(s)

Stefan D. Leigh

Book Review for:Statistics for the Quality Control Chemistry Laboratory,By Eamonn Mullins, The Royal Society of Chemistry, 2003, ISBN 0-85404-671-2, xvii +...

First Principles Based Simulations of Relaxor Ferroelectrics

February 1, 2006

Author(s)

Benjamin P. Burton, Eric J. Cockayne, Silvia Tinte, U V. Waghmare

Quadrupole Moments and Hyperfine Constants of Metastable States of Ca⁺, Sr⁺, Ba⁺, Yb⁺, Hg⁺, and Au

February 1, 2006

Author(s)

Wayne M. Itano

Comment on the Paper Metrologia 42 49-57 (2005) by K. Szymaniec et al,

February 1, 2006

Author(s)

Steven R. Jefferts, F Levi

A recent evaluation of the accuracy of National Physical Laboratory (NPL) primary frequency standard NPL CsF1 gives an overall frequency uncertainty of δŅ/Ņ 0 =...

Comparison between frequency standards in Europe and the USA at the 10⁻¹⁵uncertainty level

February 1, 2006

Author(s)

Joseph Achkar, Andreas Bauch, R Dach, R Hlavac, Luca Lorini, Thomas E. Parker, G. Petit, Dirk Piester, P Uhrich, K Szymaniec

Istituto Elettrotecnico Nazionale Galileo Ferraris (IEN), National Institute of Standards and Technology (NIST), National Physical Laboratory (NPL), Laboratoire...

Erratum: Simple Flow Meter and Viscometer for Gases With 0.04 % Uncertainty [Metrologia 42, 11-23 (2005)]

February 1, 2006

Author(s)

Robert F. Berg

This is an erratum.

Linear Models in the Presence of Type B Uncertainty:A Bayesian View of Annex H.3 and H.5 of the Guide to the Expression of Uncertainty in Measurement

February 1, 2006

Author(s)

Blaza Toman

Annex H.3 of the Guide to the Expression of Uncertainty in Measurement presents an example of calibration of a thermometer using a linear regression model...

Quantification of the Meniscus Effect in Adhesion Force Measurements

February 1, 2006

Author(s)

Jaroslaw Grobelny, Pradeep N. Namboodiri, Doo-In Kim, Z C. Ying

Adhesion forces between a gold sphere and flat gold substrate are studied using atomic force microscopy in different environments. The pull-off force measured...

Primary Pressure Standards Based on Dimensionally Characterized Piston/Cylinder Assemblies

February 1, 2006

Author(s)

James W. Schmidt, K. Jain, A P. Miiller, Walter J. Bowers Jr., Douglas A. Olson

NIST has characterized two large diameter (35.8 mm) piston/cylinder assemblies as primary pressure standards in the range from 0.05 to 1.0 MPa with...

Influence of Water-to-Cement Ratio on Hydration Kinetics: Simple Models Based on Spatial Considerations

February 1, 2006

Author(s)

Dale P. Bentz

sed on simple spatial considerations, models to describe the hydration kinetics of portland cement are developed and compared to existing experimental data...

CCQM-K13.1 Subsequent Key Comparison: Cadmium and Lead in Sediment

February 1, 2006

Author(s)

Robert R. Greenberg

CCQM-K13.1 is a Subsequent Key Comparison for Cadmium and Lead in Sediment conducted to provide the opportunity for two NMIs to demonstrate and document...

CCQM-K31 Key Comparison: Arsenic in Shellfish

February 1, 2006

Author(s)

Robert R. Greenberg, Elizabeth A. Mackey

A Key Comparison (CCQM-K31) of the determination of arsenic in a marine shellfish (oyster tissue) was conducted under the auspices of the CCQM Inorganic...

Modeling the Influence of Limestone Filler on Cement Hydration in CEMHYD3D

February 1, 2006

Author(s)

Dale P. Bentz

The ASTM C150 standard specification for portland cement now permits the addition of up to 5 % limestone filler. While these and much higher levels of limestone...

Determination of Polybrominated Diphenyl Ethers in Indoor Dust Standard Reference Materials

February 1, 2006

Author(s)

H M. Stapleton, T. Harner, M. Shoeib, Jennifer M. Lynch, Michele M. Schantz, Stefan D. Leigh, Stephen A. Wise

Polybrominated diphenyl ethers (PBDEs) have been measured for the first time in three different indoor dust Standard Reference Materials (SRMs) prepared by the...

Was this page helpful?