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Conferences

Automated Control of National Time Standards via the SIM Time Scale

September 27, 2013

Author(s)

Michael A. Lombardi, J. Mauricio Lopez-Romero, Nelida Diaz-Munoz

This paper describes a frequency and time control system developed by the Sistema Interamericano de Metrologia (SIM). Due to limited resources, some SIM...

Experimentally Simulating Continuous Wind Driven Firebrand Showers in Wildland-Urban Interface (WUI) Fires: Overview of the NIST Firebrand Generator (NIST Dragon) Technology

September 27, 2013

Author(s)

Samuel L. Manzello, Sayaka S. Suzuki

An experimental apparatus, known as the NIST full scale continuous feed Firebrand Generator (the NIST continuous feed Dragon) is presented. The experiment...

SNoW: Understanding the Causes of Strong, Neutral, and Weak Face Impostor Pairs

September 27, 2013

Author(s)

P J. Phillips, Amanda Sgroi, Patrick J. Flynn, Kevin W. Bowyer

The Strong, Neutral, or Weak Face Impostor Pairs problem was generated to explore the causes and impact of impostor face pairs that span varying strengths of...

Assessing consistency of a Mueller matrix measurement by rotation of the sample under test

September 27, 2013

Author(s)

Thomas A. Germer

We present a method for checking the consistency of a Mueller matrix measurement. The method is based upon the rotational properties of a Mueller matrix. The...

Fabrication and characterization of nanostructured III-V thermoelectric materials

September 26, 2013

Author(s)

Clint J. Novotny, Fred Sharifi

Approximately two thirds of all fossil fuel used is lost as heat. Thermoelectric materials, which convert heat into electrical energy, may provide a solution to...

Blow-Down Calibration of a Large 8 Path Ultrasonic Flow Meter under Quasi-Steady Flow Conditions

September 26, 2013

Author(s)

Aaron N. Johnson, Eric Harman, Joey T. Boyd

An array of critical flow venturis (CFVs) was installed in a blow-down facility and used to calibrate a large (i.e., D = 89.5 cm) 8 path ultrasonic flow meter...

The TREC Medical Records Track

September 25, 2013

Author(s)

Ellen M. Voorhees

The Text REtrieval Conference (TREC) is a series of annual workshops designed to build the infrastructure for large-scale evaluation of search systems and thus...

10 TOhm and 100 TOhm High Resistance Measurements at NIST

September 25, 2013

Author(s)

Dean G. Jarrett, Marlin E. Kraft

The measurement techniques, standards, and bridges used to calibrate standard resistors in the 10 TΩ to 100TΩ range at NIST are described. Standard resistors...

Characterizing and Back-Porting Performance Improvement

September 25, 2013

Author(s)

Clif Flynt, Phil Brooks, Donald G. Porter

The Tcl interpreter is constantly being modified and improved. Improvements include new features and performance boosts. Everyone wants to use the latest...

IMPROVEMENTS TO NIST'S AIR SPEED CALIBRATION SERVICE

September 24, 2013

Author(s)

Iosif I. Shinder, Christopher J. Crowley, Bernard J. Filla, Michael R. Moldover

We discuss five significant improvements to the Air Speed Calibration Service conducted by the National Institute of Standards and Technology (NIST): 1. Reduced...

Removing the Hydrocarbon Liquid from Hydrocarbon Liquid Flow Standards

September 24, 2013

Author(s)

Jodie G. Pope, Christopher J. Crowley

NIST and other laboratories calibrate meters that measure the flow of valuable liquids such as petroleum products. Historically, these calibrations have been...

Thermodynamic Analysis and Experimental Study of the Effect of Atmospheric Pressure on the Ice Point

September 24, 2013

Author(s)

Allan H. Harvey, Mark O. McLinden, Weston L. Tew

We present a detailed thermodynamic analysis of the temperature of the ice point as a function of atmospheric pressure. This analysis makes use of accurate...

The NIST Robotic Optical Scatter Instrument (ROSI) and its Application to BRDF Measurements of Diffuse Reflectance Standards for Remote Sensing

September 23, 2013

Author(s)

Heather J. Patrick, Clarence J. Zarobila, Thomas A. Germer

We describe the robotic optical scatter instrument (ROSI), a new robotic arm-based goniometer for in-plane and out-of-plane reflectance and bidirectional...

Quantitative microscope characterization for parametric measurements with sub-nm parametric uncertainties

September 23, 2013

Author(s)

Bryan M. Barnes, Jing Qin, Hui Zhou, Richard M. Silver

Recently, a new technique called Fourier normalization has enabled the parametric fitting of optical images with multiple or even a continuum of spatial...

Using a Tunable Ultraviolet Laser for the Inactivation of Water Pathogens

September 22, 2013

Author(s)

Thomas C. Larason, Keith R. Lykke, Ping-Shine Shaw, Lin Chungsan

Ultraviolet (UV) radiation effectively inactivates common pathogens found in ground and surface waters such as Cryptosporidium, Giardia, and most bacterial...

Estimating the Number of Manually Segmented Cellular Objects Required to Evaluate the Accuracy of a Segmentation Algorithm

September 22, 2013

Author(s)

Adele P. Peskin, Joe Chalfoun, John T. Elliott, Karen Kafadar

We propose a new strategy for estimating the number of cellular objects that should be manually segmented for evaluating the segmentation accuracy of an...

Measuring the UV Action Spectra of Pathogens and Surrogates

September 22, 2013

Author(s)

Karl G. Linden, Harold B. Wright, Sara E. Beck, Thomas M. Hargy, Thomas C. Larason, Randi M. McCuin

The use of bioassays to determine reduction equivalent doses delivered by UV reactors is recognized as an effective measure of UV disinfection systems. Low...

Indoor Air Quality in High-Performing Building Case Studies: A Wealth of Intent, A Dearth of Data

September 19, 2013

Author(s)

Kevin Y. Teichman, Steven J. Emmerich, Andrew K. Persily

In this paper, we review how indoor air quality has been addressed in case studies of high-performing buildings, specifically the case studies described in...

Related-Key Slide Attacks on Block Ciphers with Secret Components

September 18, 2013

Author(s)

Meltem Sonmez Turan

Lightweight cryptography aims to provide sufficient security with low area/power/energy requirements for constrained devices. In this paper, we focus on the...

GPS Integrity Architecture Opportunities

September 16, 2013

Author(s)

Marc A. Weiss, Calvin Miles, Karl J. Kovach, John Dobyne, Karen Van Dyke

The Global Positioning System (GPS) integrity architecture forms the basis for several GPS integrity augmentation systems, most notably, the Wide Area...

Quantum simulation and many-body physics with hundreds of trapped ions

September 14, 2013

Author(s)

John J. Bollinger, Joseph W. Britton, Brian C. Sawyer

By employing forces that depend on the internal electronic state (or spin) of an atomic ion, the Coulomb potential energy of a trapped ion crystal can be...

Regional Homogenization of Surface Temperature Records Using Robust Statistical Methods

September 12, 2013

Author(s)

Adam L. Pintar, Antonio M. Possolo, Nien F. Zhang

An algorithm is described and applied to estimate and remove spurious influences from the surface temperature record at a meteorological station, which may be...

Statistical Methods for Change-Point Detection in Surface Temperature Records

September 12, 2013

Author(s)

Adam L. Pintar, Antonio M. Possolo, Nien F. Zhang

We describe several statistical methods to detect possible change-points in a time series of values of surface temperature measured at a meteorological station...

The Residual and Temperature-Dependent Resistance of Reference-Grade Platinum Wire Below 13.8 K

September 12, 2013

Author(s)

Weston L. Tew, William E. Murdock, Michal J. Chojnacky, Dean C. Ripple

We report the Residual Resistance Ratio (RRR) and resistance ratio W(GaMP) (gallium melting point) values for well-annealed samples of the original SRM 1967...

Improvements to the Johnson Noise Thermometry System for Measurements at 505 800 K

September 12, 2013

Author(s)

Weston L. Tew, Kazuaki Yamazawa, Samuel P. Benz, Alessio Pollarolo, Horst Rogalla, Paul D. Dresselhaus

The National Institute of Standards and Technology (NIST) is currently using Johnson noise thermometry (JNT) to determine the deviations of the International...

Normal and Anomalous Self-Heating in Capsule-type Resistance Thermometers in the Range 1 K to 273 K

September 12, 2013

Author(s)

Weston L. Tew, Christopher W. Meyer

The normal self-heating coefficient for standard capsule-type resistance thermometers is gas-mediated over most of their designed range of use. This is readily...

Characteristics of Rhodium-Iron Resistance Thermometers And Interpolation Properties From 0.65 K To 24.5561 K

September 12, 2013

Author(s)

Weston L. Tew, Richard Rusby

Resistance thermometers using wires of rhodium with 0.5 mol % of iron (Rh-Fe thermometers or RIRTs) were first made by H Tinsley & Co in 1969 for applications...

A Consilience-based Approach to Engineering Services in Global Supply Chains

September 12, 2013

Author(s)

Albert W. Jones

Technology life cycles are becoming shorter as is the time for those technologies to become ubiquitous in the society. The Industrial Revolution took about 150...

Use Case Analysis for Standard Manufacturing Service Capability Model

September 12, 2013

Author(s)

Yunsu Lee, Boonserm Kulvatunyou, Marko Vujasinovic, Nenad Ivezic

To efficiently assemble manufacturing supply chains, manufacturers need to provide precise and easily accessible their manufacturing service capability (MSC)...

Updated Uncertainty Budgets For NIST Thermocouple Calibrations

September 11, 2013

Author(s)

Christopher W. Meyer, Karen M. Garrity

We have recently updated the uncertainty budgets for calibrations in the NIST Thermocouple Calibration Laboratory. The purpose for the updates has been to 1)...

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