Journal of Research (NIST JRES)

Influence of Isotopologue Dipole Moments on Precision Dielectric-Constant Measurements

November 4, 2019

Author(s)

Allan H. Harvey

Measurements of the relative permittivity (dielectric constant) of fluids such as methane have been interpreted with the assumption that the substance has zero

Optical-Fiber Power Meter Comparison between NIST and LAMETRO

November 1, 2019

Author(s)

Johnny Jimenez, Maria Ugalde, John H. Lehman, Igor Vayshenker

We describe the results of a comparison of reference standards between the National Institute of Standards and Technology (NIST-USA) and Laboratorio de

Characterization and Computation of Matrices of Maximal Trace over Rotations

October 19, 2019

Author(s)

Javier Bernal, James F. Lawrence

The constrained orthogonal Procrustes problem is the least-squares problem that calls for a rotation matrix that optimally aligns two corresponding sets of

A Purely Algebraic Justification of the Kabsch-Umeyama Algorithm

October 9, 2019

Author(s)

Christoph J. Witzgall, Javier Bernal, James F. Lawrence

The constrained orthogonal Procrustes problem is the least-squares problem that calls for a rotation matrix that optimally aligns two matrices of the same order

The use of correlated binomial distribution in estimating error rates for firearm evidence identification

October 2, 2019

Author(s)

Nien F. Zhang

In forensic science on firearm evidence identification, estimating error rates is a fundamental challeng. Recently, a quantitative approach known as the

A Century of WWV: 100th Anniversary Commemoration

September 24, 2019

Author(s)

Glenn K. Nelson

WWV was established as a radio station on October 1, 1919 with the issuance of the call letters by the U.S. Department of Commerce. This paper will observe the

Variation of Surface Topography in Laser Powder Bed Fusion Additive Manufacturing of Nickel Super Alloy 625

September 10, 2019

Author(s)

Jason C. Fox

This document provides details on the files available for download in the dataset "Variation of Surface Texture in Laser Powder Bed Fusion of Nickel Super Alloy

Stress measurements in alumina by optical fluorescence: revisited

August 27, 2019

Author(s)

Robert F. Cook, Chris A. Michaels

Stress measurements in single crystal and polycrystalline alumina are revisited using a recently-developed optical fluorescence energy shift method. The method

Background and Review of Cavity-Enhanced Spontaneous Parametric Down-Conversion

August 22, 2019

Author(s)

Oliver T. Slattery, Lijun Ma, Kevin Zong, Xiao Tang

Spontaneous parametric down-conversion (SPDC) in a nonlinear crystal has been a workhorse for the generation of entangled and correlated single-photon pairs

X-ray computed tomography instrument performance evaluation, Part II: Sensitivity to rotation stage errors

July 11, 2019

Author(s)

Balasubramanian Muralikrishnan, Katharine M. Shilling, Steven D. Phillips, Wei Ren, Vincent D. Lee, Felix H. Kim

The development of standards for evaluating the performance of X-ray computed tomography instruments is ongoing within ASME and ISO working committees. A key

X-ray computed tomography instrument performance evaluation, Part I: Sensitivity to detector geometry errors

July 11, 2019

Author(s)

Balasubramanian Muralikrishnan, Katharine M. Shilling, Steven D. Phillips, Wei Ren, Vincent D. Lee, Felix H. Kim

X-ray computed tomography (XCT), long used in medical imaging and defect inspection, is now increasingly used for dimensional measurements of geometrical

Translator from Extended SysML to Physical Interaction and Signal Flow Simulation Platforms

July 2, 2019

Author(s)

Raphael Barbau, Conrad E. Bock, Mehdi Dadfarnia

Designing complex systems often requires engineers from multiple disciplines (mechanical, electrical, production, and so on) to communicate with each other and

pyMCR: A Python Library for Multivariate Curve Resolution Analysis

June 24, 2019

Author(s)

Charles H. Camp

In this work, a new software library is presented for performing multivariate curve resolution (MCR)analysis, a chemometric method for elucidating signatures of

Detailed Derivations of Formulae for Heat Release Rate Calculations Revisited: A Pedagogical and Systematic Approach

June 24, 2019

Author(s)

Jiann C. Yang

We revisit the derivations of the formulae for heat release rate calculations based on the oxygen consumption principle. We use a systematic, structured, and

pyLLE: a Fast and User Friendly Lugiato-Lefever Equation Solver

May 24, 2019

Author(s)

Gregory T. Moille, Qing Li, Xiyuan Lu, Kartik A. Srinivasan

The Lugiato-Lefever Equation (LLE), first developed to provide a description of spatial dissipative structures in optical systems, has recently made a

Scatter corrections in x-ray computed tomography: a physics-based analysis

May 22, 2019

Author(s)

Zachary H. Levine, Timothy J. Blattner, Adele P. Peskin, Adam L. Pintar

Fundamental limits for the calculation of scattering corrections within X-ray computed tomography (CT) are found within the independent atom approximation from

Comparison of Models for Heat Transfer in High-Density Fibrous Insulation

May 13, 2019

Author(s)

Sergio A. Carvajal, Edward J. Garboczi, Robert R. Zarr

This paper evaluates different models for calculating the effective thermal conductivity of fibrous insulation by comparing predicted values with certified

A Reference Schema for the Unit Manufacturing Process Information Model

May 7, 2019

Author(s)

William Z. Bernstein, David Lechevalier

This document presents supporting documentation for a reference implementation of the Unit Manufacturing Process (UMP) information model presented in ASTM E3012

Hydrogen-Deuterium Exchange Mass Spectrometry (HDX-MS) Centroid Data Measured between 3.6 °C and 25.4 °C for the Fab Fragment of NISTmAb

May 2, 2019

Author(s)

Jeffrey W. Hudgens, Elyssia S. Gallagher, Ioannis L. Karageorgos, Kyle W. Anderson, Richard Y. Huang, Guodong Chen, George M. Bou-Assaf, Alfonso Espada, Michael J. Chalmers, Edu Harguindey, Hui-Min Zhang, Benjamin T. Walters, Jennifer Zhang, John Venable, Caitlin Steckler, In Hee Park, Ansgar Brock, Xiaojun Lu, Ratnesh Pandey, Arun Chandramohan, Ganesh Srinivasan Anand, Sasidhar N. Nirudodhi, Justin Sperry, Jason C. Rouse, James A. Carroll, Kasper D. Rand, Ulrike Leurs, David D. Weis, Mohammed A. Al-Naqshabandi, Daniel Deredge, Patrick Wintrode, Malvina Papanastasiou, John D. Lambris, Sheng Li, Sarah Urata

The spreadsheet file reported herein provides centroid data, descriptive of deuterium uptake, for the Fab Fragment of NISTmAb (PDB: 5K8A) reference material, as

Fatigue Testing of Pipeline Welds and Heat-Affected Zones in Pressurized Hydrogen Gas

April 26, 2019

Author(s)

Elizabeth S. Drexler, Andrew J. Slifka, Robert L. Amaro, Jeffrey W. Sowards, Matthew J. Connolly, May L. Martin, Damian S. Lauria

Several welds and associated heat-affected zones (HAZs) on two API X70 and two API X52 pipes were tested to determine the fatigue crack growth rate (FCGR) in

Apparatus for Characterizing Gas-Phase Chemical Precursor Delivery for Thin Film Deposition Processes

March 26, 2019

Author(s)

James E. Maslar, William A. Kimes, Brent A. Sperling

Thin film vapor deposition processes, e.g., chemical vapor deposition, are widely utilized in high volume manufacturing of electronic and optoelectronic devices

A Black-Box Non-Invasive Characterization Method for Industrial Wireless Networks

March 18, 2019

Author(s)

Mohamed T. Hany, Richard Candell, Kang B. Lee

Industrial control systems are increasingly using wireless communications to enable monitoring and control of processes that had once been economically

interlab: A Python module for analyzing interlaboratory comparison data

March 15, 2019

Author(s)

David A. Sheen

interlab was developed as a software tool to perform consensus analysis on spectral data from interlaboratory studies. It is designed to estimate the spread in

Viscosity Measurements of Three Base Oils and One Fully Formulated Lubricant and New Viscosity Correlations for the Calibration Liquid Squalane

February 13, 2019

Author(s)

Arno D. Laesecke, Clemens Junker, Damian S. Lauria

The viscosities of three pentaerythritol tetraalkanoate ester base oils and one fully formulated lubricant were measured with an oscillating piston viscometer

Design, Manufacturing, and Inspection Data for a Three-Component Assembly

February 12, 2019

Author(s)

Thomas D. Hedberg, Michael E. Sharp, Toby M. Maw, Mostafizur M. Rahman, Swati Jadhav, James J. Whicker, Allison Barnard Feeney, Moneer M. Helu

To better understand and address the challenges faced in linking all stages of a manufacturing and design process, an investigative fabrication process was

X-ray Metrology for the Semiconductor Industry Tutorial

February 1, 2019

Author(s)

Daniel F. Sunday, Wen-Li Wu, Scott Barton, Regis J. Kline

The semiconductor industry is in need of new, in-line dimensional metrology methods with higher spatial resolution for characterizing their next generation

Proceedings of the First Workshop on Standards for Microfluidics

January 28, 2019

Author(s)

Darwin R. Reyes-Hernandez, Henne van Heeren

In the last two decades, the microfluidics/lab-on-a-chip field has evolved from the concept of micro total analysis systems, where systems with integrated

A Model for the Binding of Fluorescently Labeled Anti-Human CD4 Monoclonal Antibodies to CD4 Receptors on Human Lymphocytes

December 14, 2018

Author(s)

Lili Wang, Adolfas Gaigalas, Paul C. DeRose

The CD4 glycoprotein is a component of the T cell receptor complex which plays an important role in the human immune response. This manuscript describes the

Industrial Wireless End-to-End Measurements and Impacts in a Gas Sensing Scenario

December 11, 2018

Author(s)

Mohamed T. Hany, Richard Candell

Industrial wireless becomes a potential networking solution in many scenarios due to its flexibility and ease of communications in harsh environments

Implementation of an Effective Bond Energy Formalism in the Multicomponent Calphad Approach

November 26, 2018

Author(s)

Nathalie Dupin, Ursula R. Kattner, Bo Sundman, Mauro Palumbo, Suzana G. Fries

Most models currently used for complex phases in the calculation of phase diagrams (Calphad) method are based on the compound energy formalism. The way this