Journals

In-Situ Burning in the Marshland Environment - Recovery and Regrowth of Spartina Alterniflora, Spartina Patens, and Sagittaria Lancifolia Plants

March 1, 2003

Author(s)

I A. Mendelson, Q N. Lin, Nelson P. Bryner, William D. Walton, W H. Twilley, J V. Mullin

In a series of in-situ burns involving 330 plant mesocosms, including Spartina Alterniflora, Spartina Patens, Distichlis spicata, and Sagittaria Lancifolia sods...

Evaluation of Extraction Techniques for the Forensic Analysis of Human Scalp Hair Using Gas Chromatography/Mass Spectrometry (GC/MS)

March 1, 2003

Author(s)

J V. Goodpaster, B C. Drumheller, Bruce A. Benner Jr.

The ability of various liquid extraction techniques to isolate the natural and artificial surface components of human scalp hair has been evaluated. These...

Estimation of Q-factors and Resonant Factors

March 1, 2003

Author(s)

Kevin Coakley, Jolene Splett, Michael D. Janezic, Raian K. Kaiser

We estimate the quality factor Q and resonant frequency f 0 of a microwave cavity based on resonance curve observations on an equally-spaced frequency grid. The...

Chemically Amplified Resist Fundamentals Studies by Combinatorial approaches

March 1, 2003

Author(s)

M Wang, Vivek Prabhu, Eric K. Lin, Michael J. Fasolka, Alamgir Karim

Sub-100 nm lithography requires more understanding of photoresist material properties and processing conditions to achieve necessary critical dimension control...

The Influence of the Laser Energy and Matrix of MALDI on the Molecular Mass Distribution of Poly(ethylene glycol)

March 1, 2003

Author(s)

S Wetzel, Charles M. Guttman, Kathleen M. Flynn

The molecular mass distribution (MMD) that is obtained in synthetic polymer characterization may be biased by preferential desorption/ionization of low mass...

Canonical Decompositions of n-qubit Quantum Computations and Concurrence

February 25, 2003

Author(s)

Stephen Bullock, G K. Brennen

The two-qubit canonical decomposition SU(4) = [SU(2) SU(2)]?[SU(2) SU(2)] writes any two-qubit quantum computation as a composition of a local unitary, a...

Smaller Circuits for Arbitrary n-qubit Diagonal Computations

February 25, 2003

Author(s)

Stephen Bullock, I L. Markov

A unitary operator U=Sj,ku j,k|j> ; 0 = j = 2n -1}. These relative phases are often required in applications.Constructing quantum circuits for diagonal...

Quantitative Studies of Spin-Momentum-Transfer-Induced Excitations in Co/Cu Multilayer Films Using Point-Contact Spectroscopy

February 24, 2003

Author(s)

William Rippard, Matthew Pufall, Thomas J. Silva

We have measured current-induced magnetic excitations in a variety of exchange-coupled Co/Cu multilayers using point-contact spectroscopy. A step in the DC...

DIVERSE: A Framework for Building Extensible and Reconfigurable Device Independent Virtual Environments

February 17, 2003

Author(s)

John T. Kelso, L E. Arsenault, Steven G. Satterfield, Peter M. Ketcham, R D. Kriz

We present DIVERSE, a highly modular collection of complementary software packages designed to facilitate the creation of device independent virtual...

Rare-Earth Glass Reference Materials for Near-Infrared Spectrometry: Correcting and Exploiting Temperature Dependencies

February 15, 2003

Author(s)

Steven J. Choquette, L E. O'Neal, David L. Duewer

Development and Evaluation of an Isotope Dilution LC/MS Method for the Determination of Total Homocysteine in Human Plasma

February 15, 2003

Author(s)

Bryant C. Nelson, Christine M. Pfeiffer, Lorna T. Sniegoski, Mary B. Satterfield

A Seven Junction Cooper Pair Pump

February 15, 2003

Author(s)

Joe Aumentado, Mark W. Keller, John M. Martinis

We have measured current-voltage curves and individual charge transfer events in single-Cooper-pair pumps. We observe clear charge pumping in units of 2e, but...

Comparison of Cryogenic Radiometry and Thermal Radiometry Calibrations at NIST Using Multichannel Filter Raidometers

February 7, 2003

Author(s)

Bettye C. Johnson, Steven W. Brown, Keith R. Lykke, Charles E. Gibson, G Fargion, G Meister, S B. Hooker, B L. Markham, James J. Butler

Comparison of independent measurement results allows an assessment of the accuracy of the underlying methods. In this work, four multichannel filter radiometers...

Report on the CCPR-S2 Supplementary Comparison of Area Measurements of Apertures of Radiometry

February 7, 2003

Author(s)

Maritoni A. Litorja, J B. Fowler

The accuracy of aperture area measurements is vital to many radiometric and photometric measurements. The Consultative Committee on Photometry and Radiometry...

Binding and Hydrolysis of Ampicillin in the Active Site of a Zinc Lactamase

February 6, 2003

Author(s)

Morris Krauss, N. Gresh, J Antony

Binding and hydrolysis of ampicillin is described in a model active site derived from di-nuclear B.fragilis zinc lactamase. The protein binding site consists of...

Formation of aluminum oxide thin films on FeAl(110) studied by STM

February 6, 2003

Author(s)

Orhan Kizilkaya, Dustin Hite, David M. Zehner, Phillip T. Sprunger

The surface morphology and atomic structure of clean and oxidized FeAl(l 10) surfaces have been investigated with scanning tunneling microscopy (STM). An...

Slow Damping of Internal Waves in a Stably Stratified Fluid

February 4, 2003

Author(s)

Katharine F. Gurski, R Kollar, R L. Pego

We study the damping of internal gravity waves in a stably stratified fluid with constant viscosity in two- and three-dimensional bounded domains. For the...

A Mixture Fraction Combustion Model for Fire Simulation Using Computational Fluid Dynamics (CFD)

February 3, 2003

Author(s)

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

The simulation of fires using computational fluid dynamics (CFD) is challenging because it is difficult to couple the combustion chemistry that occurs at very...

Superconformal Electrodeposition of Silver from a KAg(CN)₂-KCN-KSeCN Electrolyte

February 1, 2003

Author(s)

B C. Baker, M Freeman, B Melnick, Daniel Wheeler, Daniel Josell, Thomas P. Moffat

Electrodeposition of silver from a KAg(CN) 2-KCN electrolyte was investigated. The addition of potassium selenocyanate (KSeCN) results in a hysteretic current...

Laboratory Apparatus for the Measurement of Optical Extinction Coefficients of Postflame Soot in the Infrared

February 1, 2003

Author(s)

J F. Widmann, Jiann C. Yang, Matthew F. Bundy, Benjamin K. Tsai, George W. Mulholland

An experimental apparatus for the measurement of optical extinction coefficients of postflame soot aerosol in the infrared region of the electromagnetic...

ThermoML - an XML-Based Approach to Standardize Storage and Exchange of experimental and Critically Evaluated Thermophysical and Thermochemical Property Data. 1. Experimental Data

February 1, 2003

Author(s)

Michael D. Frenkel, Robert D. Chirico, Vladimir Diky, Qian Dong, Svetlana Frenkel, Paul R. Franchois, K N. Marsh, R C. Wilhoit, D L. Embry, T L. Teague

sic principles, scope, and description of all structural elements of ThermoML are discussed. ThermoML is an XML-based approach to standardize storace and...

Windows-Based Guided Data Capture Software for Mass-Scale Thermophysical and Thermochemical Property Data Collection

February 1, 2003

Author(s)

Vladimir Diky, Robert D. Chirico, R C. Wihoit, Qian Dong, Michael D. Frenkel

Guided data-capture software (GDC) is described for mass-scale abstraction from the literature of experimental then-nophysical and thermochemical property data...

Short-Term Characterization of Building Integrated Photovoltaic Panels

February 1, 2003

Author(s)

Arthur H. Fanney, Brian P. Dougherty, Mark W. Davis

Building integrated photovoltaics, the integration of photovoltaic cells into one or more exterior building surfaces, represents a small but growing part of...

Crystal structure of YbaB from Haemophilus influenzae (HI0442), a protein of unknown function coexpressed with the recombinational DNA repair protein RecR

February 1, 2003

Author(s)

Kap Lim, Huan Zhang, A Tempczyk, W Krajewski, N Bonander, J Toedt, A Howard, Edward Eisenstein, O Herzberg

A SURF Beamline for Synchrotron Source-Based Absolute Radiometry

February 1, 2003

Author(s)

Ping-Shine Shaw, Uwe Arp, Howard W. Yoon, Robert D. Saunders, Albert C. Parr, Keith R. Lykke

A new source-based radiometry beamline at Synchrotron Ultraviolet Radiation Facility (SURF III) was constructed recently. The goal of this beamline is to...

FASCAL 2: A New NIST Facility for the Calibration of the Spectral Irradiance of Sources

February 1, 2003

Author(s)

Howard W. Yoon, J E. Proctor, Charles E. Gibson

The Facility for Automated Spectroradiometric Calibrations (FASCAL) is the primary facility for spectral irradiance and spectral radiance calibrations at NIST...

Geometric Area Measurements of Circular Apertures for Radiometry at NIST

February 1, 2003

Author(s)

J B. Fowler, Maritoni A. Litorja

NIST has established a geometric aperture-area measurement facility for circular apertures. The instrument consists of an interferometrically controlled XY...

Measured Versus Predicted Performance of Building Integrated Photovoltics

February 1, 2003

Author(s)

Mark W. Davis, Arthur H. Fanney, Brian P. Dougherty

The lack of predictive performance tools creates a barrier to the widespread use of building integrated photovoltaic panels. The National Institute of Standards...

Affinity Extraction Combined with Stable Isotope Dilution LC/MS for the Determination of 5-Methyltetrahydrofolate in Human Plasma

February 1, 2003

Author(s)

Bryant C. Nelson, Christine M. Pfeiffer, S A. Margolis, C Nelson

Crack Growth Threshold in Soda Lime Silicate Glass: Role of Hold-Time

February 1, 2003

Author(s)

J -. Guin, Sheldon M. Wiederhorn

Atomic force microscopy was used to examine the shapes of cracks and residual features left behind on the fracture surface after holding cracks at a stress...