Journals

Comparison Of The Complete Mtdna Genome Sequences Of Human Cell Lines - Hl-60 And Gm10742a - From Individuals With Pro-Myelocytic Leukemia And Leber Hereditary Optic Neuropathy, Respectively, And The Inclusion Of Hl-60 In The Nist Human Mitochondrial Dna

January 1, 2003

Author(s)

Barbara C. Levin, K A. Holland, Diane K. Hancock, Michael Coble, T. J. Parsons, L J. Kienker, D W. Williams, M P. Jones, K L. Ritchie

Forensic and clinical laboratories benefit from DNA Standard Reference Materials (SRMs) that provide the quality control and assurance that their results from...

The Remarkable Metrological History of ¹⁴C Dating: From Ancient Egyptian Artifacts to Particles of Soot and Grains of Pollen

January 1, 2003

Author(s)

Lloyd A. Currie

Radiocarbon dating would not have been possible if 14C had not had the wrong half-life -- a fact that delayed its discovery[1]. Following the discovery of this...

Electron-Impact Total Ionization Cross-Sections of the Chlorofluoromethanes

January 1, 2003

Author(s)

Karl K. Irikura, M A. Ali, Yong Sik Kim

Electron-impact total ionization cross sections for CCl 3F (Freon 11), CCl 2F 2 (Freon 12), CClF 3 (Freon 13), CHCl 2F (Freon 21), CHClF 2 (Freon 22), and CH...

Comparing Mass Spectra: When Do They Match?

January 1, 2003

Author(s)

Stephen E. Stein

A common method of determining the identity of a compound is to compare its spectrum against a known standard spectrum of the same substance. Comparisons can be...

Updated NIST Photomask Linewidth Standard

January 1, 2003

Author(s)

James E. Potzick, J Pedulla, Michael T. Stocker

NIST is preparing to issue the next generation in its line of binary photomask linewidth standards. Called SRM 2059, it was developed for calibrating...

A Framework for Planning withIncrementally Created Graphs in Attributed Problem SpacesProblem Spaces

January 1, 2003

Author(s)

Stephen B. Balakirsky

In this thesis, a framework for parallel planning agents is developed and applied to planningproblems ranging from domain independent planning to planning for...

X-ray diffraction, photoluminescence and composition standards of compound semiconductors

January 1, 2003

Author(s)

Alexana Roshko, Kristine A. Bertness, J T. Armstrong, Ryna B. Marinenko, Marc L. Salit, Lawrence H. Robins, Albert J. Paul, R J. Matyi

Work is underway to develop composition standards and standardized assessment procedures for compound semiconductors. An AlGaAs composition standard with less...

Effects of noise level in fitting in situ optical reflectance spectroscopy data

January 1, 2003

Author(s)

Chih-chiang Fu, Kristine A. Bertness, C. M. Wang

Curve-fitting of simulated optical reflectance spctroscopy data is used to evaluate the accuracy of parameters derived from the fits of actual data. These...

Interlaboratory comparison of InGaAsP EX-SITU characterization

January 1, 2003

Author(s)

Alexana Roshko, Kristine A. Bertness

A study to improve the accuracy of ex-situ characterization of InGaAsP materials for optoelectronics is underway. Six InGaAsP thin film specimens, with nominal...

The National Institute of Justice Standards for Hand-Held and Walk-Through Metal Detectors Used in Concealed Weapon and Contraband Detection

January 1, 2003

Author(s)

Nicholas G. Paulter Jr.

The National Institute of Justice (NIJ) standards for hand-held and walk-through metal detectors were initially published in 1974 and later revised in 2000 and...

NCWM Publication 15, Interim Meeting Agenda - January 2003

January 1, 2003

Author(s)

H V. Oppermann, T L. Grimes

This is the agenda for the four Standing Committees of the National Conference on Weights and Measures. The meeting will be held in Bethesda, MD, January 27-30...

Earning the Stamp of Approval: How to Achieve Optimal Usability

January 1, 2003

Author(s)

Susan L. Makar

Since the NIST Virtual Library (NVL) was first launched in 1994, scientists and engineers at the National Institute of Standards and Technology have relied on...

Towards quantum information with trapped ions at NIST

January 1, 2003

Author(s)

Dietrich G. Leibfried, B. L. DeMarco, V Meyer, M A. Rowe, A Ben-kish, Murray D. Barrett, Joseph W. Britton, J Hughes, Wayne M. Itano, Branislav M. Jelenkovic, Christopher Langer, D Lucas, Till P. Rosenband, David J. Wineland

We report experiments on coherent quantum-state synthesis and the control of trapped atomic ions. This work has the overall goal of performing large-scale...

Experimental demonstration of robust, high-fidelity geometric two ion-qubit phase gate

January 1, 2003

Author(s)

Dietrich G. Leibfried, B. L. DeMarco, V Meyer, D Lucas, Murray D. Barrett, Joseph W. Britton, Wayne M. Itano, Branislav M. Jelenkovic, Christopher Langer, Till P. Rosenband, David J. Wineland

Universal logic gates for two quantum bits (qubits) form an essential ingredient of quantum computation. Dynamical gates have been proposed in the context of...

Quantum information processing with trapped ions,

January 1, 2003

Author(s)

David J. Wineland, Murray D. Barrett, Joseph W. Britton, J Chiaverini, B. L. DeMarco, Wayne M. Itano, Branislav M. Jelenkovic, Christopher Langer, Dietrich G. Leibfried, Till P. Rosenband, T Schaetz

Experiments directed towards the development of a quantum computer based on trapped atomic ions are described briefly. We discuss the implementation of single...

Preliminary Results of Aperture Area Comparison for Exo-Atmospheric Solar Irradiance

January 1, 2003

Author(s)

B. Carol Johnson, Maritoni Litorja, James J. Butler

Improvements to the NIST Fire Dynamics Simulator

January 1, 2003

Author(s)

Kevin B. McGrattan, J E. Floyd, Glenn P. Forney, Howard R. Baum, Simo A. Hostikka

A new version of the NIST Fire Dynamics Simulator (FDS) was released in the fall of 2001. Improvements have been made to the combustion and radiation routines...

System-level Calibration of a Transfer Radiometer used to Validate EOS Radiance Scales

January 1, 2003

Author(s)

Bettye C. Johnson, Steven W. Brown, George P. Eppeldauer, Keith R. Lykke

Thermal and Flammability Properties of a Silica-Poly(methylmethacrylate) Nanocomposite

January 1, 2003

Author(s)

Takashi Kashiwagi, A B. Morgan, Joseph M. Antonucci, Mark R. VanLandingham, Richard H. Harris Jr., W H. Awad, John R. Shields

MMA, poly(metheylmethacrylate), nanocomposites were made by in situ radical polymerization of MMA, methylmethacrylate, with colloidal silica (ca. 12 nm) to...

Molecular Dynamics Calculation of the Diffusivity of Sodium Chloride in Steam

January 1, 2003

Author(s)

Allan H. Harvey, Raymond D. Mountain

Molecular dynamics simulation is used to calculate the diffusivity of sodium chloride at infinite dilution in high-temperature steam at seven state points...

The Apex Method in Image Sharpening and the Use of Low Exponent Levy Stable Laws

January 1, 2003

Author(s)

Alfred S. Carasso

The APEX method is an FFT-based direct blind deconvolution technique that can process complex high-resolution imagery in a few minutes of cpu time on current...

Fluorescence Resonance Energy Transfer Between Donor-Acceptor Pair on Two Oligonucleotides Hybridized Adjacently to a DNA Template

January 1, 2003

Author(s)

Lili Wang, Adolfas K. Gaigalas, J L. Blasic, Marcia J. Holden, David T. Gallagher, R Pires

We have used fluorescein as the energy donor and rhodamine as the acceptor to measure the efficiency of fluorescence resonance energy transfer (FRET) in a set...

The Pentagon Building Performance Report

January 1, 2003

Author(s)

P E. Mlakar, D O. Dusenberry, J R. Harris, G A. Haynes, Long Phan, M A. Sozen

Following the September 11 crash at the Pentagon of an airliner commandeered by terorists, the American Society of Civil Engineering established a building...

The Influence of Liquid Pool Temperature on the Critical Impact Weber Number for Splashing

January 1, 2003

Author(s)

Samuel L. Manzello, Jiann C. Yang

An experimental study is presented to determine the influence of liquid pool temperature on splashing behavior. Water droplets with initial diameter of 3.1 mm 0...

Processing Degradation of Polyamide 6/Montmorillonite Clay Nanocomposites and Clay Organic Modifier

January 1, 2003

Author(s)

Rick D. Davis, Jeffrey W. Gilman, David L. VanderHart

Under injection molding conditions, typical of industrial processing, in situ polymerized montmorillonite/polyamide 6 nanocomposites significantly degraded...

Comparative Electronic Structure of a Lanthanide and Actinide Diatomic Oxide: Nd versus U

January 1, 2003

Author(s)

Morris Krauss, W J. Stevens

Using a modified version of the ALCHEMY electronic structure code and relativistic pseudopotentials, the electronic structure of the ground and low-lying...

The ASTM Copper Strip Corrosion Test: Application to Propane with Carbonyl Sulfide and Hydrogen Sulfide

January 1, 2003

Author(s)

W C. Andersen, Ilmutdin Abdulagatov, Thomas J. Bruno

Carbonyl sulfide (COS), which occurs as an impurity in commercial sources of propane, can hydrolyze in the presence of water to form hydrogen sulfide (H2S) and...

Recent Results of NIST Realizations of the ITS-90 Below 84 K

January 1, 2003

Author(s)

Weston L. Tew, Christopher W. Meyer

The results at NIST of realizations and comparisons of the ITS-90 below 84 K are presented. The 3He and 4He vapor pressure scales (0.65 K to 5.0 K), and the...

Linearity of InGaAs Photodiodes

January 1, 2003

Author(s)

Howard W. Yoon, James J. Butler, Thomas C. Larason, George P. Eppeldauer

Effects of Ultraviolet Radiation Exposure on Vinyl Ester Resins: Characterization of Chemical, Physical, and Mechanical Damage

January 1, 2003

Author(s)

A Signor, Joannie W. Chin, Mark R. VanLandingham

The increased use of fiber-reinforced vinyl ester composites in outdoor applications has led to questions concerning the environmental durability of these...