An official website of the United States government
Here’s how you know
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.
For pulsed surface-emitting lasers, we have measured probability distributions for the total number of photons per puse and distributions for the orthogonal
Richard A. Allen, Eric M. Vogel, Loren W. Linholm, Michael W. Cresswell
Recently, NIST has been developing electrical test structures to serve as a critical dimension (CD) reference artifacts for calibrating CD metrology systems
J Bellows, J B. Sewell, Daniel G. Friend, Allan H. Harvey, Johanna Levelt Sengers, William T. Parry, Jan V. Sengers, H J. White
The IFC-67 Formulation for Industrial Use for the thermodynamic properties of water and steam (familiar to many from its implementation in the ASME Steam Tables
For plate-like sample geometries, a line-focus transducer can be used to detect back-reflected echoes through the thickness of the sample. The interaction of
D T. Gottuk, M J. Peatross, R J. Roby, C L. Beyler
The objective of this work was to assess the feasibility of reducing false alarms while increasing sensitivity through the use of combined conventional smoke
Thomas G. Cleary, William L. Grosshandler, Artur A. Chernovsky
The worth of a fire detector is determined as much by its ability not to respond to stimuli that are generated from non-threatening sources as to respond in a
Jiann C. Yang, Michelle K. Donnelly, N C. Prive, William L. Grosshandler
The design and validation of a counterflow cylindrical burner for fire suppression efficiency screening are described. The stability limits of the burner were
William M. Pitts, E Braun, Richard D. Peacock, Henri E. Mitler, Erik L. Johnsson, Paul A. Reneke, L G. Blevins
Gas-phase temperature is the most ubiquitous measurement recorded in fire environments and plays a central role in understanding of fire behavior. Generally
Sankar Jayaram, Yong Wang, Uma Jayaram, Kevin W. Lyons, Peter F. Hart
The Virtual Assembly Design Environment (VADE) is a Virtual Reality (VR) based engineering application which allows engineers to evaluate, analyze, and plan the
There are many ways to create a distributed system, such as with Parallel Virtual Machine (PVM), PARMACS, p4, Message Passing Interface (MPI) and the Common
The use of conformity assessment as a means by which buyers and sellers can communicate requirements and conformance will increase as information technology
H Boukari, Andrew J. Allen, Gabrielle G. Long, J Ilavsky, Jay S. Wallace, C C. Berndt, H Herman
We have studied the microstructure of thick plasma-sprayed yttrium-stabilized zirconia deposits fabricated from different initial feedstock particle size (32
Andrew J. Allen, J Ilavsky, Gabrielle G. Long, Jay S. Wallace, C C. Berndt, H Herman
Various methods have been applied to the microstructural characterization of thermally-sprayed depostis. However, coexisting anisotropic distributions of intra
A scanning tunneling Microscope in ultrahigh vacuum is used to measure the profile of electronic properties of cleaved amorphous silicon solarcells. -Their
In scanned probe microscopy, it is necessary to know the tip's geometry in order to correct image distortions due to its finite size. Heretofore, methods have
This paper provides an overview of the explosive growth of outsourcing in the electronics industry, which has created a 30% growth rate in the Electronics
A new time-domain reflectometry measurement method is described that provides accurate measurements of the average high frequency (0.1 GHz to 10 GHz) dielectric
This paper presents the simulation and performance of PNNI ATM networks by using an ATM PNNI Routing Protocol Simulator (APRoPS). This simulator was developed
An inexpensive, wide bandwidth, high cycle 50 ω probe is described for making electrical contact to printed wiring board planar transmission lines. The
Barry J. Bauer, T J. Prosa, D W. Liu, C L. Jackson, D A. Tomalia, Eric J. Amis
Interpenetrating polymer networks are formed by dissolving poly(amidoamine) dendrimers in 2-hydroxyethyl methacrylate and polymerizing with dendrimer contents
Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, J H. Van Zanten, Joy Dunkers, C G. Zimba, C A. James, S K. Pollack, Richard~undefined~undefined~undefined~undefined~undefined Parnas
The fiber/resin interface is critical to the final mechanical properties of a composite part. The extent f cure and cross-link density affect the resin
Rapidly, changing building designs, uses, materials, contents, fire protection and the general intermix of industrial/commercial and residential occupancies has
Richard D. Peacock, Richard W. Bukowski, S. H. Markos
Recent advances in fire test methods and hazard analysis techniques make it useful to re-examine passenger train fire safety requirements. The use of test
Using MPI to work with composed data-types, or data-types using pointers, is not a built-in operation. AutoMap and AutoLink are two tools that provide those
A summary of the Workshop on Non-neutral Plasmas, held in Boulder, Colorado, July 29 through August 1, 1997, is given. This workshop provided an opportunity for
I Artaki, D Noctor, C Desantis, W Desaulnier, L Felton, M Palmer, J Felty, J Greaves, C A. Handwerker, J D. Mather, S Schroeder, D Napp, TG Y. Pan, J Rosser, P Vianco, G Whitten, Y Zhu
In 1997, the National Center for Manufacturing Sciences Lead- Free Solder Project carried out by a consortium of 11 industrial corporations, academic