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Conferences

Effects of Non-Uniform Refrigerant and Air Flow Distributions on Finned-Tube Evaporator Performance.

August 17, 2003

Author(s)

J M. Choi, William V. Payne, Piotr A. Domanski

Operating Margin Measurements for an AC Josephson Voltage Standard

August 17, 2003

Author(s)

Charles J. Burroughs, Samuel Benz, Paul Dresselhaus

For a number of years, NIST has been developing a Josephson arbitrary waveform synthesizer as an ac Josephson Voltage Standard (ACJVS). The effort has primarily...

An Approach to Predicting the Location of Moving Objects During On-Road Navigation

August 15, 2003

Author(s)

Craig I. Schlenoff, Rajmohan Madhavan, Stephen B. Balakirsky

For an autonomous vehicle to navigate in real-time within a dynamic environment, it must be able to respond to moving objects. In particular, it must be able to...

Optical Manipulation of Atoms at the Nanoscale

August 11, 2003

Author(s)

William D. Phillips

These notes are to provide an outline of a lecture presented at the Enrico Fermi Summer School at Nanoscale Science, held in Varenna in July 2000. They are not...

Holmium Oxide Solution as a Prototype Intrinsic Standard in Molecular Absorption Spectrophotometry

August 8, 2003

Author(s)

John C. Travis, David L. Duewer

Multi-loop control of a nanopositioning mechanism for ultra-precision beam steering

August 8, 2003

Author(s)

Jason J. Gorman, Nicholas Dagalakis, B G. Boone

Measurement of Water Transport from Saturated Pumice Aggregates to Hardening Cement Paste

August 6, 2003

Author(s)

Pietro Lura, Dale P. Bentz, D Lange, K Kovler, A Bentur, K Van Breugel

In this study about internal curing of High Performance Concrete, X-ray absorption showed that considerable transport of water from saturated lightweight...

Comparison of Macro-Tip/Tilt & Meso-Scale Position Beam-Steering Transducers for Free-Space Optical Communications Using a Quadrant Photodiode Sensor

August 6, 2003

Author(s)

Jason J. Gorman, Nicholas Dagalakis, K B. Fielhauer, B G. Boone, J R. Bruzzi, Jeffery Kluga

The National Aeronautics and Space Administration (NASA) plans to develop optical communication terminals for future spacecraft, especially in support of high...

Discovery in Hydrating Plaster Using Multiple Machine Learning Methods

August 3, 2003

Author(s)

John G. Hagedorn, J E. Devaney

We apply multiple machine learning methods to obtain concise rules that are highly predictive of scienti cally meaningful classes in hydrating plaster over...

Status of a Multiplexed Single Photon On-Demand Source

August 1, 2003

Author(s)

Alan L. Migdall, Stefania Castelletto, M J. Ware

We present the status of our work implementing a single photon on-demand source based on a multiplexed arrangement of parametricdownconverters. An array of...

Improved Thermal Boundary Layer Parameter for Semi-Theoretical Refrigerant/Lubricant Pool Boiling Model

August 1, 2003

Author(s)

Mark A. Kedzierski

This paper outlines the framework for an improvement in the thermalboundary layer parameter for a semi-theoretical model for predicting thepool boiling heat...

Scientific Applications and Advantages of a Low Energy Synchrotron Radiation Source

August 1, 2003

Author(s)

Uwe Arp

Recent improvements to the synchrotron ultraviolet radiation facility led to unprecedented performance. High injection currents and beam stability, as well as...

LoopDA -- A Natural Ventilation System Design and Analysis Tool

August 1, 2003

Author(s)

William S. Dols, Steven J. Emmerich

The Loop Equation Design Method has been proposed for sizing ventilation airflow components of natural and hybrid ventilation systems. While the loop design...

Validation of CONTAMW Predictions for Tracer Gas in a Townhouse

August 1, 2003

Author(s)

Steven J. Emmerich, Steven J. Nabinger, A Gupte, Cynthia H. Reed

To provide additional validation data for the multizone airflow and contaminant model, CONTAMW, experiments were performed in an occupied 3-story townhouse in...

The Influence of the Atmostphere on Curing Concrete Temperatures and Maturity

August 1, 2003

Author(s)

G S. Wojcik

The SLABS model of curing concrete bridge decks was developed with new boundary condition parameterizations that can accurately account for a wide variety of...

Development of an ASTM Standard Test Method on X-Ray Powder Diffraction Analysis of Hydraulic Cements

August 1, 2003

Author(s)

Paul E. Stutzman

ments are classified, in part, by their phase composition using an estimate derived from a bulk chemical analysis. An alternative method for phase abundance...

Gas Standards Containing Hydrocarbon and Volatile Organic Compounds for Automobile Exhaust and Ambient Air Monitoring

August 1, 2003

Author(s)

George C. Rhoderick

Raman Microspectroscopy of some High Explosives heated to High Temperatures

August 1, 2003

Author(s)

E S. Etz, S V. Roberson, John G. Gillen

Paper reports on the micro-Raman spectra of several high explosives heated to high temperatures, up to melting point. These spectroscopic results are correlated...

MALDI-TOF MS Characterization of Covalent Cationized Polyethylene

August 1, 2003

Author(s)

Sheng Lin-Gibson, D L. Brunner, David L. VanderHart, Barry J. Bauer, B M. Fanconi, Kathleen M. Flynn, William E. Wallace

MALDI-TOF MS generally uses metal salts to cationize synthetic polymers, such as polystyrene. However, reduced analyte signal often results from complications...

Evaluation of Intelligent Information Access Systems

August 1, 2003

Author(s)

Jean C. Scholtz

This paper discusses traditional evaluations for information access systems and proposes metrics more suited for evaluation of intelligent information access...

First Principles Calculations of Ionic Vibrational Frequencies in PbMg&frac13;Nb&frac23;0~3

August 1, 2003

Author(s)

S A. Prosandeev, Eric J. Cockayne, Benjamin P. Burton

Lattice dynamics for several ordered supercells with composition PbMgl/3Nb2/303 (PMN) were calculated with first-principles frozen phonon methods. Nominal...

Dielectric Properties of Layer Polymer Films

August 1, 2003

Author(s)

W Sakai, T Yoshiji, N Tsutsumi, C. K. Chiang

Electrical property of thin polymer film is a key parameter for designing new highspeed circuit devices in high frequency and for developing smaller devices and...

Site-Specific X-Ray Photoelectron Spectroscopy: A New Method to Measure Partial Density of Valence States

August 1, 2003

Author(s)

Joseph C. Woicik

X-ray photoelectron spectroscopy has emerged as a premiere method for examining the electronic structure of solids and films. However, at the intensity of a...

New Technologies for Radiometry: Impact on Ocean Color Research

August 1, 2003

Author(s)

Bettye C. Johnson, Steven W. Brown, N Souaidia, M Feinholz, M Yarbrough, S Flora, D K. Clark

Ocean color satellites provide global determinations of chlorophyll a by measurements of the spectral radiance of the oceans. This is a difficult measurement...

Chunk of Graphite in a Co-60 Field and Slab of Paper in an Electron Beam: Typical Applications of Atomic Physics

August 1, 2003

Author(s)

Paul M. Bergstrom

When the atomic physicist measures or computes, application of their results may not be immediately obvious. However, atomic data form the basis of many mature...

NIST Display Colorimeter Calibration Facility

August 1, 2003

Author(s)

Steven W. Brown, Yoshihiro Ohno

A facility has been developed at the National Institute of Standards and Technology (NIST) to provide calibration services for color-measuring instruments to...

Systematic Approach for Describing the Geometry of Spectrophotometry

August 1, 2003

Author(s)

E A. Early

In the field of spectrophotometry, the values of the measured quantities depend upon the measurement geometry. Therefore, it is imperative to completely...

A Method for Testing the Spectral Responsivity of Infrared Cameras Using Tunable Lasers

August 1, 2003

Author(s)

Joseph P. Rice, Keith R. Lykke, Howard W. Yoon

We are developing a technique for accurately measuring spectral responsivity functions of infrared cameras using tunable lasers. We present preliminary results...

Biotech SRMs Designed for the Rapidly Evolving Forensic DNA and Human Identity Testing Communities

August 1, 2003

Author(s)

Margaret C. Kline, David L. Duewer, John M. Butler

As advances in biotechnology have been applied to human identification, the National Institute of Standards and Technology (NIST) has provided Standard...

Data Driven Design and Simulation System Based on XML

August 1, 2003

Author(s)

Guixiu Qiao, Frank H. Riddick, Charles R. McLean

Implementing a highly flexible manufacturing approach, like mass customization manufacturing, demands an integrated design and simulation system. This system...

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