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Displaying 2651 - 2675 of 5421

Durability of Building Joint Sealants

December 12, 2008
Author(s)
Christopher C. White, Kar T. Tan, Donald L. Hunston
Predicting the service life of building joint sealants exposed to service environments in less than real times has been a need of the sealant community for many decades. Despite extensive research efforts have been made to design laboratory accelerated

Status of IEEE RAS Standardization Efforts

June 10, 2020
Author(s)
Craig I. Schlenoff
The IEEE Robotics and Automation Society's (RAS) standards study and working groups are strong and growing stronger. As of the time of this publication, we have two published standards, six working groups actively developing future standards, and one study

Tailoring Security Controls for Industrial Control Systems

November 16, 2015
Author(s)
Victoria Y. Pillitteri, Larry Feldman, Gregory A. Witte
This bulletin summarizes the information presented in NIST SP 800-82, Rev 2: Guide to Industrial Control Systems (ICS) Security written by Keith Stouffer, Victoria Pillitteri, Suzanne Lightman, Marshall Abrams and Adam Hahn. The publication provides

The JAR Extractor: a Soxhlet Modified Into a Large-Diameter Wafer Washer

October 20, 2015
Author(s)
Richard J. Sheridan, Aaron V. Kirchhoff
A closed-atmosphere, solvent-recirculating, large diameter wafer washer was fabricated for neutron reflectivity research at the National Institute of Standards and Technology. Manufacturing feasibility for the public sector was increased by simplicity in

Recent measurements of the gravitational constant as a function of time

June 11, 2015
Author(s)
Stephan Schlamminger, Jens H. Gundlach, Riley D. Newman
A recent publication (J.D. Anderson et. Al., EPL 110, 1002) found a strong correlation between the measured values of the gravitational constant G and the 5.9-year oscillation of the length of day. Here, we provide a compilation of all published

Biological Evidence Preservation: Considerations for Policy Makers

April 14, 2015
Author(s)
Shannan R. Williams, Melissa Taylor, Susan M. Ballou, Mark D. Stolorow, Margaret C. Kline, Phylis S. Bamberger, Larry Brown, Rebecca Brown, Burney Yvette, Davenport Dennis, Lindsay DePalma, Ted Hunt, Cynthia E. Jones, Ralph Keaton, William Kiley, Joseph Latta, Karen Thiessen, Gerry LaPorte, Linda E. Ledray, Randy Nagy, Brian Ostrom, Linda Schwind, Stephanie Stoiloff
Biological Evidence Preservation: Considerations for Policy Makers is a policy brief intended to provide guidance to legislators, advocates, and managers within criminal justice agencies that influence policy. The content in this document is informed by an

Fire Modeling for the Fire Research, Fire Protection, and Fire Service Communities

September 8, 2014
Author(s)
Kevin B. McGrattan, Randall J. McDermott, Glenn P. Forney, Kristopher J. Overholt, Craig G. Weinschenk, Jason E. Floyd
The Fire Dynamics Simulator (FDS) was first publicly released in 2000, and it has recently undergone its fifth major revision. Since its first release, FDS has been applied in three major areas: basic research in fire dynamics, performance-based design

Liquid Piston Prover Uncertainty Analysis Spreadsheet

March 25, 2014
Author(s)
John D. Wright, Aaron N. Johnson, Jodie G. Pope
This publication is a spreadsheet that calculates the mass and volume flow uncertainty for a piston prover liquid flow standard based on user inputs of component uncertainties. The calculations use the basis equation and uncertainty analysis presented in

Long-term comparison of caesium fountain primary frequency standards

December 7, 2009
Author(s)
Thomas E. Parker
There are currently nine caesium fountain primary frequency standards regularly reporting calibrations of International Atomic Time to the Bureau International des Poids et Measures (BIPM). An investigation has been carried out using data from the BIPM

Measurement of Weak Signals Using a Communications Receiver System

March 1, 2005
Author(s)
Marc Rutschlin, Kate Remley, Robert T. Johnk, Dylan Williams, Galen H. Koepke
We describe the calibration of an inexpensive, reliable system for use in weak-signal detection. The calibration procedure described allows the conversion of signals measured with the communications receiver system-which is based on a standard

Chemicals in Arctic Seabirds: I. Annotated Bibliography

January 1, 2005
Author(s)
Stacy S. Vander-Pol, Rebecca S. Pugh, Paul R. Becker
The purpose of the work resulting in this report was to compare literature values of contaminant concentrations in the 39 species of Arctic seabirds that live or breed in Alaska. Contaminant data from literature tables are currently being entered into the

The Critical Evaluation of Transition Probabilities of Na-Ca (Z=11 to 20)

October 2, 1997
Author(s)
Daniel E. Kelleher, Larissa Podobedova
We provide a progress report on the critical evaluation of transition probabilities for Na to Ca (Z-11-20), which are to replace the 30 year old NIST/AIP/ACS publication (Journal of Physical and Chemical Reference Data Monograph 7) on this material

A Repository of Designs for Process and Assembly Planning

January 1, 1997
Author(s)
William Regli, Daniel M Gaines
This paper provides an introduction to the Design, Planning and Assembly Repository available through the National Institute of Standards and Technology (NIST). The goal of the Repository is to provide a publicly accessible collection of 2D and 3D CAD and

Modeling Smoke Flow in Corridors

September 10, 1995
Author(s)
D W. Stroup, Daniel M. Madrzykowski
The Public Buildings Service (PBS) within the General Services Administration (GSA) is the Federal government's real property manager responsible for the acquisition, design, construction, and operation and management of various types of space for Federal
Displaying 2651 - 2675 of 5421
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