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Yanping Zhu, Matthew Klegseth, Yi Bao, Matthew Hoehler, Lisa Y. Choe, Genda Chen
This study explores an instrumentation strategy using distributed fiber optic sensors to measure strain and temperature through the concrete volume in large
Units are at the heart of science and technology. Most measurements require units to express their result. The International System of Units (SI) provides a
Jeremy Marvel, Roger D. Eastman, Geraldine S. Cheok, Kamel S. Saidi, Tsai H. Hong, Elena R. Messina, Bob Bollinger, Paul Evans, Joyce Guthrie, Eric Hershberger, Carlos Martinez, Karen McNamara, James Wells
The special session on Technology Readiness Levels (TRLs) for Randomized Bin Picking was held during the morning session of the 2012 Performance Metrics for
International Organization for Standardization (ISO)/International Electrotechnical Commission (IEC) 80000, the International System of Quantities, collects and
Abneesh Srivastava, Stephen E. Long, James E. Norris, Colleen E. Bryan Sallee, Jennifer Carney, Joseph Hodges
We present a direct comparison between two independent methods for the measurement of gaseous elemental mercury (GEM) mass concentration: isotope dilution cold
Yannic Ramaye, Vikram Kestens, J. Charoud-Got, S. Mazoua, G. Auclair, Tae Joon Cho, Blaza Toman, Vincent A. Hackley, T. Linsinger
This report describes the production of SRM 1993/ERM-FD306, silica particles suspended in a borate buffer, certified for electrophoretic mobility and zeta
Yannic Ramaye, Vikram Kestens, J. Charoud-Got, S. Mazoua, G. Auclair, Tae Joon Cho, Blaza Toman, Vincent A. Hackley, T. Linsinger
This report describes the production of SRM 1992/ERM-FD305, silica particles suspended in a borate buffer, certified for electrophoretic mobility and zeta
Orthogonal superposition (OSP) rheology is an advanced rheological technique that involves superimposing a small-amplitude oscillatory shear deformation
We report on a recent workshop dedicated to additive manufacturing (AM) of ceramics that was held at the National Institute of Standards and Technology (NIST)
Alireza R. Panna, Mattias Kruskopf, Albert F. Rigosi, Martina Marzano, Dinesh K. Patel, Shamith U. Payagala, Dean G. Jarrett, David B. Newell, Randolph E. Elmquist
Yvonne A. Branden, Tina G. Butcher, Richard A. Harshman, Lisa Warfield, Gloria D. Lee, John W. Barton
The 104th Annual Meeting of the National Conference on Weights and Measures (NCWM) was held July 14 - 18, 2019, at the Hyatt Regency Milwaukee Hotel, Milwaukee
Valeriy V. Yashchuk, Sergey Babin, Stefano Cabrini, Weilun Chao, Ulf Griesmann, Ian Lacey, Stefano Marchesini, Keiko Munechika, Carlos Pina-Hernandez, Allen L. Roginsky
Recently, a technique for calibrating the modulation transfer function (MTF) of a broad variety of metrology instrumentation has been demonstrated. This
Takehiko Oe, Shamith U. Payagala, Dean G. Jarrett, Nobu-Hisa Kaneko
DC high resistance measurement capability has been evaluated using a NMIJ traveling dual source bridge between NIST and NMIJ. The NMIJ bridge determines the
Dimitrios Georgakopoulos, Ilya F. Budovsky, Samuel P. Benz
We have extended the voltage range of the Josephson arbitrary waveform synthesizer from 1 mV down to 1 μV at frequencies from 60 Hz to 1 kHz to calibrate
Dean G. Jarrett, Shamith U. Payagala, Ryan P. Fitzgerald, Denis E. Bergeron, Jeffrey T. Cessna, Charles J. Waduwarage Perera, Neil M. Zimmerman
A system for the calibration of electrometers that measure currents from ionization chambers is described. The calibration system uses a 1 GΩ standard resistor
Takehiko Oe, Alireza R. Panna, Randolph E. Elmquist, Dean G. Jarrett, Yasuhiro Fukuyama, Nobu-Hisa Kaneko
We have fabricated 129 kΩ and 1 MΩ quantum Hall array devices using GaAs/AlGaAs heterostructures and their quantized Hall resistance plateaus were precisely
Leon S. Chao, Rafael Marangoni, Frank C. Seifert, Darine El Haddad, Jon R. Pratt, David B. Newell, Stephan Schlamminger
After the recent redefinition of the International System of Units (SI), torque no longer needs to be traceable to a calibrated mass in a gravitational field
Michael T. Postek, Andras Vladar, Dianne L. Poster, Atsushi Muto, Takeshi Sunaoshi
A new and exciting imaging technique being applied to thin films, nanocoatings, nanogels, and nanoparticle analysis is ultra-low accelerating voltage or ultra
We describe the algorithmic foundations of an open-source numerical toolbox, written in the Octave language, for the creation of computer-generated binary and
This tutorial provides mechanical drawings, electrical schematics, parts lists, stereolithography (STL) files for producing three-dimensional (3D)-printed parts
Li Piin Sung, James E. Pickett, Olga Kuvshinnikova, Brett Ermi
The NIST (National Institutes of Standards and Technology) SPHERE (Simulated Photodegradation via High Energy Radiant Exposure) was used to obtain acceleration
Roger V. Bostelman, YaShian Li-Baboud, Karl Van Wyk, Mili Shah
Exoskeletons are now being marketed by several manufacturers and yet there are currently no defined methods to measure the exoskeleton fit to the user. Proper
Ling Wang, Balasubramanian Muralikrishnan, Octavio Icasio Hernandez, Craig M. Shakarji, Daniel S. Sawyer
Due to their accuracy, portability, and large working volume, laser trackers (LTs) are widely used for dimensional metrology in a variety of large-scale