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NIST Authors in Bold

Displaying 8576 - 8600 of 17269

Thermodynamic Quantities for the Ionization Reactions of Buffers in Water

December 1, 2002
Author(s)
Robert N. Goldberg, N Kishore, R M. Lennen
This table contains selected values for the pK, standard molar enthalpy of reaction {Δ} rH , and standard molar heat-capacity change {Δ} rC p for the ionization reactions of 64 buffers many of which are relevant to biochemistry and to biology. The values

Comparison of Optical-Power Meters Between the NIST and the PTB

October 1, 2000
Author(s)
Igor Vayshenker, Holger Haars, John H. Lehman, David J. Livigni
… meters undertaken by the National Institute of Standards and Technology (NIST, USA) and the … nm. Both laboratories used thermal detectors as reference standards, which were compared using a germanium trap …

NIST Reference Densitometer for Visual Diffuse Transmission Density

July 26, 1999
Author(s)
E A. Early, Christopher L. Cromer, X Xiong, D J. Dummer, Thomas R. O'Brian, Albert C. Parr
… Optical Technology Division of the National Institute of Standards and Technology has developed a new reference … both to verify compliance with the applicable documentary standards and to determine the combined uncertainty in …

On Practice and Theory of Constructive Composite Geometry and Topology

November 25, 2019
Author(s)
Thomas D. Hedberg Jr., Allison Barnard Feeney, Vijay Srinivasan
… a theory from industrial best practices codified in recent standards. Recent editions of ASME and ISO standards codify the evolving industrial best practices in … tree that is equivalent to the ply/laminate tables of the standards, and an adjacency graph that captures a crucial …

A Compact Variable-Temperature Broadband Series-Resistor Calibration

January 1, 2011
Author(s)
Nathan D. Orloff, Jordi Mateu, Arkadiusz C. Lewandowski, Eduard Rocas, Joshua P. King, Dazhen Gu, Juan C. Collado Gomez, Ichiro Takeuchi, Xiaoli Lu, James C. Booth
… to 40 GHz for variable temperature, which requires three standards: a thru-reflect, and series-resistor. The maximum … technique reduced the total footprint of the calibration standards by a factor of 17 and measurement time by a factor …

Thermodynamic Properties of 2-Methylquinoline and 8-Methylquinoline

February 9, 2005
Author(s)
Robert D. Chirico, William Steele
Measurements leading to the calculation of the standard thermodynamic properties for gaseous 2-methylquinoline (Chemical Abstracts registry number [91-63-4]) and 8 methylquinoline (Chemical Abstracts registry number [611-32-5]) are reported. Experimental

Precise high resistance comparison between the NMIJ Traveling Dual Source Bridge and the NIST Adapted Wheatstone Bridge

October 28, 2022
Author(s)
Takehiko Oe, Shamith Payagala, Alireza Panna, S. Takada, N. Kaneko, Dean G. Jarrett
… the Adapted Wheatstone Bridge of the National Institute of Standards and Technology (NIST) from 10 MΩ to 100 TΩ at NIST. … measured the resistance ratio of the high resistance standards, without moving the location of the resistors … controlled air-bath. Having the bridges and resistance standards in the same location for the comparison decreased …

U.S. Commercial Building Airtightness Requirements and Measurements

October 12, 2011
Author(s)
Steven J. Emmerich, Andrew K. Persily
… building. Since that time, the U.S. National Institute of Standards and Technology has maintained a database of … of airtightness requirements for national and state codes, standards and programs. This paper presents the currently … and a summary of recent developments in U.S. codes and standards. The average airtightness of the 228 buildings in …

State of the Art and Research Needs in Design for Tornadoes: Structural Engineering Institute Workshop Report

September 30, 2024
Author(s)
Donald Scott, Jennifer Goupil, Shane Crawford, Alex Griffin, Cherylyn Henry, Marc Levitan, Franklin Lombardo, John van de Lindt, Peter Vickery
… of the climatology of tornadoes and development of design standards for the tornado hazard. Recommendation No. 5 from … NIST recommends that nationally accepted performance-based standards for tornado-resistant design of buildings and … the resiliency of communities to tornado hazards. The standards should encompass tornado hazard characterization, …

PSCR 2020_Non-ISSI LMR to LTE MCPTT

October 29, 2020
Author(s)
Christopher J. Walton, Chic J. O'Dell
… public safety Land mobile radio (LMR) systems into a standards based Long Term Evolution (LTE) Mission Critical … of a system that closely conforms to released and future standards. A proof of concept prototype that successfully bridges an analog LMR system with a standards-compliant LTE based MCPTT system was developed and …

High Throughput Methods for Materials R&D: A Growing Effort at NIST

April 1, 2002
Author(s)
Leonid A. Bendersky, J D. Hewes
… sector has indicated that the National Institute of Standards and Technology has a role to play in facilitating … and externally to NIST. The NIST Measurement and Standards Laboratories is actively pursuing research in … details on these efforts at the National Institute of Standards and Technology. …

Evaluations of a Detector-Limited Digital Impedance Bridge

April 6, 2021
Author(s)
Mona Feige, Stephan Schlamminger, Yicheng Wang
We tested a simple digital impedance bridge using two nominally equal resistors to form a 1:1 ratio. We focused on resolution and stability of the detectors. Fluctuations of the source voltages were largely removed through postprocessing of the digitized
Displaying 8576 - 8600 of 17269
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