U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 7951 - 7975 of 13219

Operation of the NIST-F1 Cesium Fountain Primary Frequency Standard with a Maser Ensemble

September 13, 2005
Author(s)
Thomas E. Parker, Steven R. Jefferts, Thomas P. Heavner, Elizabeth A. Donley
… on the procedures for evaluating certain systematic biases in the fountain. State-of-the-art frequency transfer technology also is necessary if the fountain is intended to … available at the National Institute of Standards and Technology and how they impact the operation of NIST-F1, the …

Stacked SNS Josephson Junctions for Quantum Voltage Applications

July 11, 2003
Author(s)
Paul Dresselhaus, Yonuk Chong, Samuel Benz
… as the basis of quantum voltage metrology. Planar junction technology limits the voltage and bandwidth of these systems … junctions, we are able to pack junctions more closely in a transmission line, while maintaining the uniformity … applications. We discuss the technological advantages in stacking multiple junctions and present data from stacked …

NIST/TRC Web Thermo Tables - Professional Edition NIST Standard Reference Subscription Database 3

June 30, 2002
Author(s)
Andrei F. Kazakov, Chris D. Muzny, Robert D. Chirico, Vladimir Diky, Michael D. Frenkel
… and methodology related to the evaluations can be found in complimentary hard-copy publications: * TRC Thermodynamic … Ed. M. Frenkel, National Institute of Standards and Technology, Boulder, CO, Standard Reference Data Program, … Ed. M. Frenkel, National Institute of Standards and Technology, Boulder, CO, Standard Reference Data Program, …

INTUMESCENT INSTANT FIREWALLS FOR LOW-COST FIRE PROTECTION

January 1, 2002
Author(s)
Ginger Bennett
… materials have been used (or investigated for use) in various military platforms for all three Services. … platform. The objective of this project is to demonstrate (in a full-scale or aircraft article) and optimize the … study performed for the Next Generation Fire Suppression Technology Program (NGP). …

Predicting and Controlling Resource Usage in a Heterogenous Active Network

January 1, 2002
Author(s)
V Galtier, Kevin L. Mills, Y Carlinet, S Bush, A Kulkarni
… Active network technology envisions deployment of virtual execution … processing can be applied to network traffic. To use such technology safely and efficiently, individual nodes must … to model the CPU time requirements of active applications in a form that can be interpreted among heterogeneous nodes. …

Digital Rights Management: How Much Can Cryptography Help?

January 1, 2001
Author(s)
William E. Burr
… Cryptography offers powerful techniques for data protection in classical communications applications. Claims are often made that some new technology will enable or make electronic publishing safe. … that both the sender and the receiver are trusted parties in a communications protocol (an attacker is a third party), …

Metrology: Impact on National Economy and International Trade

June 1, 1998
Author(s)
Hratch G. Semerjian, Robert L. Watters
… The U.S. Federal Government has a strong role in metrology R&D in the U.S because of its importance to the … authority given to the National Institute of Standards and Technology (NIST). However, pressures to maintain a balanced … recent work at the National Institute of Standards and Technology. …

Advanced Methods and Models for Describing Coating Appearance

July 7, 1997
Author(s)
M E. McKnight, Jonathan W. Martin
… The National Institute of Standards and Technology has recently initiated a study to advance … A systems approach which applies technological advances in oprical metrology, mathematical modeling, and computer … and modeling research activities will be conducted in four areas: coating composition, microstructure of coating …

Assessing Federal and Commercial Information Security Needs (IT)

November 1, 1992
Author(s)
David F. Ferraiolo, D M. Gilbert, N Lynch
… In a cooperative effort with government and industry, the National Institute of Standards and Technology (NIST) conducted a study to assess the current and future information technology (IT) security needs of the commercial, civil, and …

Surface, Interface and Thin-Film Magnetism

January 1, 1990
Author(s)
L Falicov, Daniel T. Pierce, S Bader, R Gronsky, K Hathaway, H Hopster, D Lambeth, S Parkin, G Prinz, M Salamon, Ivan K. Schuller, R Victora
… A comprehensive review and state of the art in the field of surface, interface, and thin-film magnetism … calculations have together stimulated the current activity in this field and opened new opportunities for research. The … is of importance to many applications in magnetics technology, which is also surveyed. Questions of fundamental …

Energy efficient single flux quantum based neuromorphic computing

November 8, 2018
Author(s)
Michael Schneider, Christine A. Donnelly, Stephen E. Russek, Burm Baek, Matthew Pufall, Pete Hopkins, William Rippard
… tunable spiking behavior with ultra- low training energies in the aJ regime. MJJ devices integrated with standard single … neural cells utilizing MJJs that form the basic elements in multilayer perceptron and convolutional networks. We … models for MJJs, to assess the performance of these cells in simple neural network structures. Modeling results …

Improving a Web-Based Firm Level R&D Survey

February 19, 2017
Author(s)
J Powell
… The Advanced Technology Program (ATP) is a federal science and technology program whose mission is to accelerate the … private sector. To help correct certain market failures in the research and development (R&D) process, the ATP has …

Development and Use of the NIST Intelligent and Automated Construction Job Site Testbed

December 16, 2011
Author(s)
Kamel Saidi, Geraldine Cheok, Marek Franaszek, Christopher U. Brown, Jeremy Swerdlow, Robert R. Lipman, Itai Katz, Mani Golparvar-Fard, Paul Goodrum, Manu Akula, Gabriel Dadi, Behshad Ghadimi
… was established at the National Institute of Standards and Technology (NIST) in 2011. The creation of the testbed was motivated by the … to six construction industry scenarios, identified in collaboration with industry partners, was selected for …

Structural and Electromagnetic Scenarios for Firefighter Locator Tracking Systems

September 1, 2011
Author(s)
Anthony D. Putorti Jr., Francine K. Amon, Kathryn M. Butler, Catherine A. Remley, William F. Young, Christina Spoons
… of the location of the firefighters involved, especially in cases with limited visibility due to darkness, heavy … in distress. In this National Institute of Standards and Technology (NIST) technical note, LTS technologies are … situations in which firefighters are most in need of this technology. Firefighter injury and fatality data are studied …

Solid State Gas Microsensors for Environmental and Industrial Monitoring

January 1, 1999
Author(s)
R M. Walton, Richard E. Cavicchi, Stephen Semancik, B Panchapakesan, Don L. DeVoe, M I. Aquino-Class, J D. Allen, John S. Suehle
… We describe solid state gas microsensor array technology for real-time, low-cost environmental and … four-element, surface-micromachined arrays are designed in CMOS technology and consist of multiple platforms called …

Calibrating laser Doppler anemometers utilizing an optical chopper

January 31, 2025
Author(s)
Christopher Crowley, Iosif Isaakovich Shinder, Michael R. Moldover, Joey Boyd, James Filla, Aaron Johnson
… % confidence level. We calibrated two LDAs that differed in manufacturer, focal length (in the ratio 3.3:1), sensing volume (in the ratio 100:1), and orientation (vertical and horizontal …

Hydrogen Embrittlement Susceptibility and Fracture Toughness Measurements of Welded X65M Pipeline Steels

November 14, 2024
Author(s)
Newell Moser, Zack Buck, Nicholas Derimow, May Ling Martin, Damian Lauria, Enrico Lucon, Peter Bradley, Matthew Connolly
… hydrogen embrittlement). The welding processes involved in the manufacturing and joining of steel pipelines locally modifies … API 5L X65M steel. The three steels were characterized in terms of microstructure, Charpy experiments (performed in …

Laser tracker and terrestrial laser scanner range error evaluation by stitching

May 7, 2024
Author(s)
Balasubramanian Muralikrishnan, Braden Czapla, Vincent Lee, Craig Shakarji, Daniel S. Sawyer, Saure Matthias
… are dimensional measurement instruments commonly employed in the manufacture and assembly of large structures. … dimensional measurement instruments more commonly employed in surveying, reverse engineering, and forensics. … performance of these instruments over that distance. In this context, we explore the use of stitching errors …

Comparison of Flow Measurement Devices for Large Fire Experiments

April 12, 2024
Author(s)
Giovanni Di Cristina Torres, Rodney Bryant
… the same benefits. However, S-probes also feature reliable manufacturing and calibration standards. For the first time … performance of bi-directional and S-probes are compared in side-by-side experiments. Measurements of a steady flow in a well-characterized wind tunnel were examined and the …
Displaying 7951 - 7975 of 13219
Was this page helpful?