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Journal of Research (NIST JRES)

SysML Models for Discrete Event Logistics Systems

Author(s)
Timothy A. Sprock, Conrad E. Bock
System models and model-based engineering methods have the promise of transforming the way that industrial engineers interact with production and logistics

Microscale Mapping of Structure and Stress in Barium Titanate

Author(s)
Jane A. Howell, Mark D. Vaudin, Lawrence H. Friedman, Robert F. Cook
Cross-correlation of electron backscatter diffraction (EBSD) patterns was used to generate rotation, strain, and stress maps of single-crystal tetragonal barium

Advanced Temperature-Control Chamber for Resistance Standards

Author(s)
Shamith U. Payagala, Alireza R. Panna, Albert F. Rigosi, Dean G. Jarrett
Calibration services for resistance metrology have continued to advance their capabilities and establish new and improved methods for maintaining standard

NIST Ballistics Toolmark Research Database

Author(s)
Xiaoyu A. Zheng, Johannes A. Soons, Robert M. Thompson, Sushama P. Singh, Cerasela Constantin
In 2009, a report by the National Academies called into question, amongst other issues, the objectivity of visual toolmark identification by firearms examiners

Forced Edges and Graph Structure

Author(s)
Brian D. Cloteaux
For a degree sequence, its set of forced edges are the edges that appear in every realization of that sequence, while its forbidden edges appear in no