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Displaying 36626 - 36650 of 74376

Silicide Barrier SNS Junctions for AC Josephson Voltage Standards

September 5, 2005
Author(s)
Paul Dresselhaus, Yonuk Chong, Nicolas Hadacek, Burm Baek, Michio Watanabe, Charles J. Burroughs, Samuel Benz
We have used MoSi2 barrier superconductor-normal-metal-superconductor (SNS) double stacked junctions to generate audio frequency ac waveforms with metrological accuracy. Circuits used in this experiment were two parallel arrays of 1280 stacks of 2

Predicting Gaseous Air Cleaner Performance in the Field

September 4, 2005
Author(s)
Cynthia H. Reed, Steven J. Nabinger, Steven Emmerich
As part of an ongoing effort to better understand the performance of indoor air cleaners in real buildings, the National Institute of Standards and Technology (NIST) has completed a series of air cleaner field tests and model simulations. This paper

A Framework to Ensure Trustworthy Web Services

September 1, 2005
Author(s)
Jia Zhang, L Zhang
The National Software Reference Library (NSRL) of the U.S. National Institute of Standards and Technology (NIST) collects software from various sources and publishes file profiles computed from this software (such as MD5 and SHA-1 hashes) as a Reference

A Simulation and Gaming Architecture for Manufacturing Research, Testing, and Training

September 1, 2005
Author(s)
Charles R. McLean, Sanjay Jain, Yung-Tsun Lee, Frank H. Riddick
Manufacturing systems are often costly to develop and operate. Simulation technology has been demonstrated to be an effective tool for improving the efficiency of manufacturing system design, operation, and maintenance. But manufacturing simulations are

A Tool Kit for Implementing XML Schema Naming and Design Rules

September 1, 2005
Author(s)
Joshua Lubell, Boonserm Kulvatunyou
A tool kit being developed at the National Institute of Standards and Technology (NIST)encodes XML schema Naming and Design Rules in a computer-interpretable fashion,enabling automated rule enforcement and improving schema quality.

Active Fire Protection Systems. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-4) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
D D. Evans, Erica D. Kuligowski, William S. Dols, William L. Grosshandler
The National Institute of Standards and Technology investigation of active fire protection systems in World Trade Center (WTC) 1, 2, and 7 included the design, installation, capabilities, and performance on September 11,2001, of the automatic fire

Advanced Coatings R&D for Pipelines and Related Facilities

September 1, 2005
Author(s)
Richard E. Ricker
This workshop was held at the National Institute of Standards and Technology s Gaithersburg, Maryland campus June 9-10, 2005 with support from the Office of Pipeline Safety of the U.S. Department of Transportation. A steering committee composed of 20

Amendments to the Fire Protection and Life Safety Provisions of the New York City Building Code by Local Laws Adopted While World Trade Center 1, 2, and 7 Were in Use. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST

September 1, 2005
Author(s)
J C. Razza, R A. Grill
This report was prepared to support the analysis of building and fire codes and practices of the National Institute of Standards and Technology (NIST) World Trade Center (WTC) Investigation. This report suppons the objective of documenting the requirements

Amorphous to Tetragonal Transition in Ultrathin Zirconia Films: Effect on the Electronic and Dielectric Properties

September 1, 2005
Author(s)
Safak Sayan, Mark Croft, Nhan Van Nguyen, Tom Emge, Evgeni Gusev, Hyunjung G. Kim, James R. Ehrstein, Paul McIntyre, Eric Garfunkel
As medium-high permittivity dielectrics approach use in MOSFET production, an atomic level understanding of their permittivity and the capacitance of structures made from them are being rigorously examined. In this note, the issue of crystal structure in

Analysis of Aircraft Impacts into the World Trade Center Towers (Appendix A). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Steven W. Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, R A. MacNeill, S Holmes, B D. Peterson, R W. Cilke, C Navarro
The objective of this report was to analyze the aircraft impacts into each of the World Trade Center (WTC) towers to provide the following: (1) estimates of probable damage to structural systems due to aircraft impact, including exterior walls, floor

Analysis of Aircraft Impacts into the World Trade Center Towers (Chapters 1-8). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Steven W. Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, R A. MacNeill, S Holmes, B D. Peterson, R W. Cilke, C Navarro
The objective of this report was to analyze the aircraft impacts into each of the World Trade Center (WTC) towers to provide the following: (1) estimates of probable damage to structural systems due to aircraft impact, including exterior walls, floor

Analysis of Aircraft Impacts into the World Trade Center Towers (Chapters 9-11). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Steven W. Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, R A. MacNeill, S Holmes, B D. Peterson, R W. Cilke, C Navarro
The objective of this report was to analyze the aircraft impacts into each of the World Trade Center (WTC) towers to provide the following: (1) estimates of probable damage to structural systems due to aircraft impact, including exterior walls, floor

Analysis of EIED Backoff Algorithm for the 802.11 DCF

September 1, 2005
Author(s)
N-O Song, B-J Kwak, Leonard E. Miller
We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the bit-stream, generation of random numbers and processing of the sifting algorithm are all handled

Analysis of Published Accounts of the World Trade Center Evacuation. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-7A)***DRAFT for Public Comments***

September 1, 2005
Author(s)
R F. Fahy, Guylene Proulx
Published stories of the survivor's of the World Trade Center (WTC) attacks were collected to document the event and as background material to guide the development of the National Institute of Standards and Technology (NIST) Investigation on occupant

Approach to Modeling Flame Spread Over Polyurethane Foam-Covered Walls. (POSTER ABSTRACTS)

September 1, 2005
Author(s)
Daniel M. Madrzykowski, Stephen Kerber, Nelson P. Bryner, William L. Grosshandler
Computer simulation has been demonstrated to be credible, when properly applied, as a tool to help fill in critical details of a fire incident and to demonstrate the value of alternative building designs and fire safety measures. This poster presents the

Baseline Structural Performance and Aircraft Impact Damage Analysis of the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Fahim Sadek
The baseline structural performance and aircraft impact damage analysis of the National Institute of Standards and Technology (NIST) Investigation of the World Trade Center (WTC) disaster had two primary tasks: (1) to develop reference structural models of
Displaying 36626 - 36650 of 74376
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