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Displaying 28776 - 28800 of 74220

Atomic Spectral Line Broadening Bibliographic Database

October 16, 2008
Author(s)
Jeffrey R. Fuhr, H R. Felrice
This is version 1.0 of the National Institute of Standards and Technology (NIST) bibliographic database on atomic spectral line broadening. At present, this database contains approximately 800 recent references, all collected after our last published

Atomic Transition Rates for Neutral Holmium (Ho I)

October 16, 2008
Author(s)
Gillian Nave
Transition rates for 325 lines of Ho I are presented. They have been measured by combining branching fractions obtained by Fourier transform spectrometry with published lifetimes. The uncertainty of the transition rates is 5 % to 10 %.

Audit Trail Device Security [Product Storyboard]

October 16, 2008
Author(s)
Juana Williams
Increasingly, weighing and measuring device manufacturers choose the audit trail as the form of security for their equipment. Features that control the accuracy of measurements (metrological), or can be selected to make a device function properly for a

Automated Monitoring of Thin Film Properties via Ultrasonics

October 16, 2008
Author(s)
Donald L. Hunston
Non-destructively monitoring of the properties in a thin film or layered material (coatings, adhesives, etc.) is a difficult challenge, and yet there are many instances where this would be useful: fabrication (curing or drying), environmental attack, aging

Automatic Generation of Two Classes of Semantic Hypertext Link

October 16, 2008
Author(s)
John M. Tebbutt
Two approaches to the automatic generation of hypertext undertaken at the National Institute of Standards and Technology are reviewed. The first uses Information Retrieval technology to augment each document in a document space with a list of links to

Bethe Logarithms for the 11S, 21S, and 23S States of Helium and Helium-like Ions

October 16, 2008
Author(s)
Jonathan Baker, R C. Forrey, M Jeziorska, J D. Morgan
We have computed the Bethe logarithms for the 1 1S, 21S, and 23S states of helium to about seven figures using the method developed by Charles Schwartz and further developed by Forrey and Hill. Bethe logarithms for the helium-like ions Li +, Be ++, O 6+

Bibliography of NIST Biosystems and Health Publications, 2001-2005

October 16, 2008
Author(s)
Nancy Allmang
This document contains a listing of over 1000 journal articles and conference papers written by National Institute of Standards and Technology (NIST) scientists working in the area of measurements and standards for Biosystems and Health. This includes

Bibliography of NIST Nanotechnology Publications, 2000-2004

October 16, 2008
Author(s)
Nancy Allmang, Mylene S. Ouimette
This document contains a compendium of journal articles and conference papers written by NIST scientists working in the area of Nanotechnology. This includes: nanoscale metrology, nanotribology, nanomaterials, nano-optics, micro-electro-mechanical systems

Blueprint for Radioanalytical Metrology CRM's

October 16, 2008
Author(s)
Kenneth G. Inn, Hiromu Kurosaki, Carole Frechou, Chris Gilligan, Robert Jones, Stephen LaMont, Jeff Leggitt, Chunsheng Li, Keith McCroan, Ronald Swatski
In 1977, the International Committee on Radionuclide Metrology's (ICRM) Low-Level Working Group (LLWG) workshop, a long-term blueprint for a new series of natural-matrix reference materials was developed. Over the ensuing decades national and social issues

CAB Monitoring Data 2001

October 16, 2008
Author(s)
J S. Dhillon
NIST is a designating authority under two government-to-government agreements on the mutual recognition of conformity assessment results in regulated sectors. As such, NIST is responsible for designating U.S. conformity assessment bodies that are competent

Calculation of Hydrogenic Bethe Logarithms for Rydberg States

October 16, 2008
Author(s)
U Jentschura, Peter J. Mohr
We describe the calculation of hydrogenic (one-loop) Bethe logarithms for all states with principal quantum numbers n 200. While the calculation of the Bethe logarithm is a rather easy computational problem involving only the nonrelativistic a (Schr'dinger

Calibration of a Spectral Responsivity Transfer Standard

October 16, 2008
Author(s)
George P. Eppeldauer, Leonard Hanssen
A NIST-Developed pryoelectric radiometer was characterized and calibrated to extend the NIST high accuracy spectral responsively scale from the visible range to the ultraviolet (UV) and infrared (IR). The transmission of the gold-black coated LiNbO 3

Calibration of Water Permeation Tubes

October 16, 2008
Author(s)
Gregory E. Scace, W. Wyatt Miller
NIST provides traceability of permeation tube humidity generators to national humidity standards by measuring the water permeation rate of permeation tubes submitted for calibration. Permeation tubes undergoing calibration are installed into a specially

Calorimetric Analysis of Mutagenic Effects on Protein-Ligand Interactions

October 16, 2008
Author(s)
Frederick P. Schwarz
Mutagenesis effects can be classified into direct where the mutation occurs at the site of the binding interaction on the protein and indirect where the mutation occurs at a site distal from the binding interaction site. The interaction between the Fv

Carrier-Envelope Phase of Ultrashort Pulses

October 16, 2008
Author(s)
Steven T. Cundiff, F Krausz
The phase of the electromagnetic field has typically not been a quantity of physical meaning in optics because all I measurements are of intensity.Relative phases, for example between two arms of an interferometer, can readily be measured and controlled

Cellular DNA Biomarkers for the Safety of Tissue-Engineered Medical Products Using Artificial Skin as a Model

October 16, 2008
Author(s)
H Rodriguez, C D. O'Connell, Peter E. Barker, M. Dizdaroglu, Donald H. Atha, Pawel Jaruga, M Birincioglu, M A. Marino, P McAndrew
Fundamental to the safety of many tissue-engineered medical products is how cells respond to a given polymer when implanted into the body. Assurance of cellular stability during the manufacturing, storage and shipment of such products is crucial to achieve

Challenges of Paradigm Building for Solid-State Transformations

October 16, 2008
Author(s)
John W. Cahn
Our field, solid-sold phase transformations, grew out of ancient crafts with their own paradigms. The creation of new paradigms has been a slow process with many false starts. Much remains to be done. An examination of the successes and failures of the

Chapter I. Overview of Polymer Blends Characterization

October 16, 2008
Author(s)
Charles C. Han
Characterization techniques for polymers have been discussed in literature. Normally these techniques are categorized in terms of mechanical testing methods, thermal analysis, electron and optical microscopy, nmr techniques, chromatographic methods

Characterization of Dendritically Branched Polymers by SANS, SAXS, and TEM

October 16, 2008
Author(s)
Barry J. Bauer, Eric J. Amis
Small angle neutron scattering (SANS), small angle x-ray scattering (SAXS), and transmission electron microscopy (TEM) have been used to characterize the size, shape and interactions of dendrimers, hyperbranched, and dendrigraft polymers. Size in terms of
Displaying 28776 - 28800 of 74220