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Journal of Research (NIST JRES)

Optical Sorting of Dielectric Spheres in a Standing Wave Calculated with Effective Velocities and Diffusion Constants

September 7, 2016

Author(s)

Zachary H. Levine, John J. Curry

Recently, as part of a study of the ability of a Gaussian standing-wave interference field to sort small dielectric particles entrained in a moving fluid, we...

Test object for accurate and reproducible measurement of the detection response of hand-worn and hand-held metal detectors

September 6, 2016

Author(s)

Nicholas G. Paulter Jr., Donald R. Larson, John A. Ely

The assessment of the detection performance of metal detectors (hand-worn, hand-held, and walk-through models) is based on the ability of the detectors to sound...

Results from the NIST-ARRA Construction Grant Awards

August 26, 2016

Author(s)

Michael D. Walsh

This report summarizes the results of 16 NIST-ARRA Construction Grant Awards that provided more than $180 million to fund major scientific building construction...

A Study of GPS Carrier-Phase Time Transfer Noise Based on NIST GPS Receivers

August 8, 2016

Author(s)

Jian Yao, Judah Levine

To do a better time comparison between high-precision clocks (such as Cesium Fountain clock and Hydrogen-maser clock), we want to study and eventually lower the...

Workshop on Lunar Calibration for Remote Sensing

July 11, 2016

Author(s)

Claire E. Cramer

Tracking climate variables at the levels of precision and accuracy required to detect global change requires satellite sensors to make highly consistent...

Survey of Research for Performance Measurement of Mobile Manipulators

June 30, 2016

Author(s)

Roger V. Bostelman, Tsai H. Hong, Jeremy A. Marvel

This survey provides the basis for developing research in the area of mobile manipulator performance measurement, an area that has relatively few research...

Helmholtz energy translations for common cubic equations of state for use in one-fluid and multi- fluid mixture models

June 20, 2016

Author(s)

Ian H. Bell, Andreas Jaeger

Comprehensive and generalized derivations have been presented for the treatment of the residual part of the Helmholtz energy which arises from the...

Diesel Adsorption to PVC and Iron from Contaminated Water Flow and Flushing Tests

June 14, 2016

Author(s)

Mark A. Kedzierski

This paper presents an experimental and theoretical study of aqueous diesel contamination and decontamination of a polyvinyl chloride (PVC) surface and an iron...

Propagation of Error from Registration Parameters to Transformed Data

June 6, 2016

Author(s)

Mili Shah, Marek Franaszek, Geraldine Cheok

Methods to register two sets of data have existed for quite some time. However, these sets of data are rarely error-free. Consequently, any parameters obtained...

Methods and Tools for Performance Assurance of Smart Manufacturing Systems

June 2, 2016

Author(s)

Deogratias Kibira, Katherine C. Morris, Senthilkumaran Kumaraguru

The emerging concept of smart manufacturing systems is defined in part by the introduction of new technologies that are promoting rapid and widespread...

Assignment of the Number of Equivalent Reference Fluorophores to Dyed Microspheres

June 2, 2016

Author(s)

Adolfas Gaigalas, Lili Wang, Paul C. DeRose

A procedure will be described to assign to each dyed microsphere a number called the Equivalent number of Reference Fluorophores (ERF). The ERF unit gives the...

Stress Analysis of Conical Contact Joints in the NIST 4.45 MN Deadweight Machine

May 10, 2016

Author(s)

Nicholas A. Vlajic, Akobuije D. Chijioke, Ricky L. Seifarth

Structural analysis of conical contact joints in the NIST 4.45 MN Dead Weight Machine using finite element analysis is presented in this paper. This analysis...

An Algorithm for Identifying Optimal Spreaders in a Random Walk Model of Network Communication

May 10, 2016

Author(s)

Fern Y. Hunt

In a model of network communication based on a random walk in an undirected graph, what subset of nodes (subject to constraints on its size), enable the fastest...

Phase Analysis of Portland Cements by Combined Quantitative X-Ray Powder Diffraction and Scanning Electron Microscopy

April 11, 2016

Author(s)

Paul E. Stutzman, Pan Feng, Jeffrey W. Bullard

X-ray powder diffraction (XRD) has been used for several decades to identify and measure the mass fractions of various crystalline phases in portland cement...

A Compilation of Enthalpies of Formation for Hydrogen-Oxygen (HxOy) Species

March 11, 2016

Author(s)

Donald R. Burgess Jr.

In this work, we have compiled enthalpies of formation for nine hydrogen-oxygen species (HxOy) and selected values for use. The compilation consists of values...

Usage analysis of a national internet time service

March 8, 2016

Author(s)

Jeffrey A. Sherman, Judah Levine

The Internet Time Service (ITS) at the National Institute of Standards and Technology (NIST) currently receives over 12 billion time requests per day. ITS...

Mitigating Ingredient Variability Risks with Smart Manufacturing

February 18, 2016

Author(s)

Frank H. Riddick, Evan K. Wallace, Jim Davis

Managing the design of products and the efficient execution of the manufacturing processes needed to produce them is an endeavor fraught with all manner of...

Q-matrix: an algebraic formulation for the analysis and visual characterization of network graphs

February 8, 2016

Author(s)

Roldan Pozo

Given an undirected network, we describe a two- dimensional graphical measure based on the con- nected component distribution of its degree-limited subgraphs...

Potential Stable Low-Permeation Rate Standard Based on Micro-machined Silicon

December 15, 2015

Author(s)

Grady S. White, Adrian Verwolf, Chris M. Poling, Nicholas Barbosa, Nikki S. Rentz

Silicon wafers with micro-machined holes were evaluated for use as low permeation standard artifacts. Accuracy, stability, and reliability were assessed. Two...

Smart Electronic Laboratory Notebooks for the NIST Research Environment

December 2, 2015

Author(s)

Richard S. Gates, Mark McLean, William A. Osborn

Laboratory notebooks have been a staple of scientific research for centuries for organizing and documenting ideas and experiments. Modern laboratories are more...

A Journey in Standard Development- The Core Manufacturing Simulation Data (CMSD) Information Model

November 17, 2015

Author(s)

Yung-Tsun T. Lee

This report documents a journey from research to an approved standard of a NIST-led standard development activity. That standard, Core Manufacturing...

Rapid Prototyping of Nanofluidic Slits in a Silicone Bilayer

November 17, 2015

Author(s)

Thomas P. Kole, Kuo-Tang Liao, Daniel R. Schiffels, Robert Ilic, Elizabeth Strychalski, Jason Kralj, James Alexander Liddle, Anatoly Dritschilo, Samuel Stavis

An implementation of the Fundamental Parameters Approach for analysis of X-ray powder diffraction line profiles

October 23, 2015

Author(s)

Marcus H. Mendenhall, Katharine Mullen, James P. Cline

This work presents an open implementation of the Fundamental Parameters Approach (FPA) models for analysis of X-ray powder diffraction line profiles. The...

The Optics and Alignment of the Divergent Beam Laboratory X-ray Powder Diffractometer and its Calibration with NIST Standard Reference Materials

September 25, 2015

Author(s)

James P. Cline, Marcus H. Mendenhall, David R. Black, Donald A. Windover, Albert Henins

The laboratory X-ray powder diffractometer is one of the primary analytical tools in materials science. It is applicable to nearly any crystalline material, and...

Long-Term Stability of One-Inch Condenser Microphones Calibrated at the National Institute of Standards and Technology

August 17, 2015

Author(s)

Randall P. Wagner, William F. Guthrie

The devices calibrated most frequently by the acoustical measurement services at the National Institute of Standards and Technology (NIST) over the 50-year...

Development of an Ultra-Pure, Carrier-Free 209Po Solution Standard

July 23, 2015

Author(s)

Ronald Colle, Ryan P. Fitzgerald, Lizbeth Laureano-Perez

Ultra-pure, carrier-free 209Po solution standards have been prepared and standardized for their massic alpha-particle emission rate. The standards, which will...

A simple and fast spline filtering algorithm for surface metrology

July 14, 2015

Author(s)

Hao H. Zhang, Daniel B. Ott, Jun-Feng Song, D Ott, Wei Chu

The spline filters and the corresponding robust filters are commonly used filters recommended in ISO standards for surface evaluation. Generally, these linear...

Revision of the NIST Standard for 223Ra: New Measurements and Review of 2008 Data

July 1, 2015

Author(s)

Denis E. Bergeron, Jeffrey T. Cessna, Leticia S. Pibida

After discovering a discrepancy in the transfer standard currently being disseminated by the National Institute of Standards and Technology (NIST), we have...

SAGRAD: A Program for Neural Network Training with Simulated Annealing and the Conjugate Gradient Method

June 17, 2015

Author(s)

Javier Bernal, Jose Torres-Jimenez

SAGRAD, a Fortran 77 program for computing neural networks for classification using batch learning, is discussed. Neural network training in SAGRAD is based on...

Optical Passive Sensor Calibration for Satellite Remote Sensing and the Legacy of NOAA, NASA and NIST Cooperation

May 14, 2015

Author(s)

Raju V. Datla

This paper traces the development of physical standards and measurement methodologies for calibrating satellite based optical sensors in the civilian sector for...

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