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Displaying 1126 - 1150 of 5421

Certification of Standard Reference Material 2921a

January 12, 2026
Author(s)
David Bunk, David Newton
The National Institute of Standards and Technology (NIST) Standard Reference Material® (SRM®) 2921a Human Cardiac Troponin Complex delivers a certified value for the concentration of human cardiac troponin I in a solution of the human cardiac troponin

Ultraviolet to Short-Wave Infrared Spectral Reflectance

October 28, 2024
Author(s)
Heather Patrick, Clarence Zarobila
The National Institute of Standards and Technology performs calibrations of spectral reflectance measurements in the ultraviolet (UV) to short-wave infrared (SWIR) spectral regions using the Robotic Optical Scattering Instrument (ROSI) and its associated

NIST Big Data Interoperability Framework: Volume 1, Definitions

October 21, 2019
Author(s)
Wo L. Chang, Nancy Grady
Big Data is a term used to describe the large amount of data in the networked, digitized, sensor-laden, information-driven world. The growth of data is outpacing scientific and technological advances in data analytics. Opportunities exist with Big Data to

Stopwatch and Timer Calibrations (2009 edition)

January 28, 2009
Author(s)
Jeff C. Gust, Robert M. Graham, Michael A. Lombardi
Stopwatch and timer calibrations are perhaps the most common calibrations performed in the field of time and frequency metrology. Hundreds of United States laboratories calibrate many thousands of timing devices annually to meet legal and organizational

Quantum-Critical Scale Invariance in Transition Metal Alloy

October 14, 2020
Author(s)
Yasuyuki Nakajima, Tristin Metz, Christoper Eckberg, Kevin Kirshenbaum, Alex Hughes, Renxiong Wang, Limin Wang, Shanta Saha
… 1/3 Ni 1/3) d2^As 2 , indicative of quantum criticality at zero temperature and zero applied magnetic field. Beyond a linear in temperature … with the emergence of hole-like carriers close to the zero-temperature and zero-field limit, the scale invariance, …
Displaying 1126 - 1150 of 5421
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