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Search Publications

NIST Authors in Bold

Displaying 1 - 25 of 632

Characterization of Ternary Compounds in the BaO:Fe 2 O 3 :TiO 2 System: Ba 6 Fe 45 Ti 17 O 106 and BaFe 11 Ti 3 O 23

January 1, 1999
Author(s)
Terrell A. Vanderah, Winnie K. Wong-Ng, B H. Toby, V. M. Browning, Robert D. Shull, Richard G. Geyer, Robert S. Roth
… Single crystals of Ba 6 Fe 45 Ti 17 O 106 and BaFe 11 Ti 3 O 23 were obtained as major … this phase occurs at x = 3 with the stoichiometry Ba 6 Fe 45 Ti 17 O 106 , while in 100% oxygen the x-value approaches … O 106 (all Fe^3+^ and Ti 4+ ). The structures of Ba 6 Fe 45 Ti 17 O 106 and BaFe 11 Ti 3 O 23 were solved using …

0:45 Surface Color

January 1, 2008
Author(s)
Maria E. Nadal, E A. Early, Robert R. Bousquet
… document, SP250-71 (2007), NIST Measurements Services: 0:45 Surface Color, describes the instrumentation, standards, … color of reflective, non-fluorescent materials at a 0:45 geometry, that is an irradiance angle of 0° and measuring angle of 45°. The organization of this document is as follows. Section …

Reference 0 /45 Colorimeter

May 12, 2008
Author(s)
Maria E. Nadal
… samples at a geometry of 0 illumination angle and 45 viewing angle (0 /45 ). The instrument provides customers with means to … and the characterization of the NIST Standard Reference 0/45 Colorimeter. … Reference 0 /45 Colorimeter …

Electro-Thermal Simulation and Design of a 60 A, 4.5 kV Half-Bridge Si IGBT/SiC JBS Hybrid Power Module

September 15, 2012
Author(s)
Tam H. Duong, Allen R. Hefner Jr., Karl Hobart
… was conducted to optimize the design of a high-current 4.5 kV half-bridge Si-IGBT/SiC-JBS hybrid module for medium … and utilizes validated electro-thermal models for the 4.5 kV Si IGBT, Si PiN diode, and SiC JBS diode and a … Electro-Thermal Simulation and Design of a 60 A, 4.5 kV Half-Bridge Si IGBT/SiC JBS Hybrid Power Module …

Comparison of 4.5 kV SiC JBS and Si PiN Diodes for 4.5 kV Si IGBT Anti-parallel Diode Applications

March 10, 2011
Author(s)
Tam H. Duong, Allen R. Hefner Jr., Karl Hobart, Sei-Hyung Ryu, David Grider, David W. Berning, Jose M. Ortiz, Eugene Imhoff, Jerry Sherbondy
… A new 60 A, 4.5 kV SiC JBS diode is presented and its performance is … to Si PiN diodes used as the anti-parallel diode for 4.5 kV Si IGBTs. The current-voltage, capacitance-voltage, … are also characterized as the anti-parallel diode for a 4.5 kV Si IGBT using a recently developed high-voltage, …

A-UGV Capabilities - Recommended Guide to Autonomy Levels

February 26, 2019
Author(s)
Roger V. Bostelman, Elena R. Messina
A-UGV has been defined by ASTM Committee F45 as an "Automatic, Automated, or Autonomous vehicle that operates while in contact with the ground without a human operator." However, what do the levels actually mean to manufacturers, users, or especially

The GAN exonuclease, or the flap endonuclease Fen1 and RNase HII are necessary for viability of Thermococcus kodakarensis.

June 13, 2017
Author(s)
Brett W. Burkhart, Lubomira Cubonova, Margaret R. Heider, John N. Reeve, Thomas J. Santangelo, Zvi Kelman
Many aspects of and factors required for DNA replication are conserved across all three Domains of life but there are some significant differences surrounding lagging strand synthesis. In Archaea a 5' to 3' exonuclease, related to both bacterial RecJ and

Establishment and application of the 0/45 reflectance factor scale over the shortwave infrared

April 1, 2015
Author(s)
Catherine C. Cooksey, David W. Allen, Benjamin K. Tsai, Howard W. Yoon
… paper describes the establishment and application of the 0/45 reflectance factor scale in the shortwave infrared (SWIR) … measurement of three different diffuser materials. The 0/45 spectral reflectance factors for these materials are … Establishment and application of the 0/45 reflectance factor scale over the shortwave infrared …

Recommendations for Autonomous Industrial Vehicle Performance Standards

May 31, 2016
Author(s)
Roger V. Bostelman
A workshop was held at the IEEE International Conference on Robotics and Automation, called: "Autonomous Industrial Vehicles: From the Laboratory to the Factory Floor." Nine research papers were presented followed by a discussion session summarized in this

Experiments to Test the A-UGV Capabilities Standard

December 8, 2021
Author(s)
Soocheol Yoon, Roger V. Bostelman, Ann Virts
Automatic, Automated, or Autonomous - Unmanned Ground Vehicles (A-UGVs), as referred to by ASTM International Committee F45, are industrial vehicles that have capabilities to navigate, dock, avoid obstacles, and interact with other vehicles and systems all

Single Ion Optical Frequency Standard

May 28, 1991
Author(s)
James C. Bergquist, Wayne M. Itano, David J. Wineland, F Diedrich, F Elsner, M G. Raizen
… Proc. of 45^uth^ Annual Symposium on Frequency Control … 45^uth^ Annual Symposium on Frequency Control …

Ultralinear Small-Angle Phase Modulator

January 1, 1991
Author(s)
John P. Lowe, F L. Walls
… Proc. of 45^uth^ Annual Symposium on Frequency Control … 45^uth^ Annual Symposium on Frequency Control …

Development of an Experimental Database and Kinetic Models for Surrogate Jet Fuels

March 1, 2007
Author(s)
M Colket, T Edwards, S Williams, N Cernansky, D L. Miller, Fokion N. Egolfopoulos, P Linstedt, Ram Seshadri, F L. Dryer, C K. Law, Daniel G. Friend, David Lenhert, Heinz Pitsch, A Sarofim, M Smooke, Wing Tsang
The engineering and scientific community ha been searching for the identification of surrogate fuels that can reasonably represent the performance and emissions behavior of jet fuels (e.g. Jet A and JP-8) in engines. Many proposals exist in the literature

Navigation Performance Evaluation for Automated Guided Vehicles

May 12, 2015
Author(s)
Roger V. Bostelman, Tsai Hong Hong, Geraldine S. Cheok
Automatic guided vehicles (AGVs), an industrial form of mobile robot, typically navigate using a central computer commanding AGV movement on predefined paths. Although, how well they follow these paths is less defined in research articles and their

HIV-1 Matrix-31 Membrane Binding Peptide Interacts Differently with Membranes Containing PS vs. PI(4,5)P 2

September 15, 2016
Author(s)
Lauren O'Neil, Kathryn Andenoro, Isabella Pagano, Laura Carroll, Leah Langer, Zachary Dell, Davina Perera, Bradley W. Treece, Frank Heinrich, Mathias Loesche, John F. Nagle, Stephanie Tristram-Nagle
… membrane (PM) of the T-cell specifically requires PI(4,5)P 2 . It was previously shown that a highly basic region … of viral particles, or results suggest that the role of PI(4,5)P 2 in viral assembly goes beyond specific stereochemical … Interacts Differently with Membranes Containing PS vs. PI(4,5)P 2 …
Displaying 1 - 25 of 632
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