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.
Christopher E. Dabrowski, Kevin L. Mills, Andrew L. Rukhin
Current trends suggest future software systems will rely on service-discovery protocols to combine and recombine distributed services dynamically in reaction to...
Wayne Jansen, Athanasios T. Karygiannis, M Iorga, Serban I. Gavrila, Vlad Korolev
The adoption of wireless technologies and handheld devices is becoming widespread in business, industry, and government organizations. The use of handheld...
Jiann C. Yang, Samuel L. Manzello, Marc R. Nyden, M D. Connaghan
An aircraft engine nacelle simulator was built to study the dispersion behavior of CF3I, a potential halon 1301 (CF3Br) replacement, at an extremely cold...
The National Institute of Standards and Technology (NIST) has designed andconstructed a test facility for determining the seasonal performance of residential...
We produce single Cr atoms on demand by feedback control of loading and loss from a magneto-optical trap. We observe single-atom occupation probabilities of...
Ronald L. Jones, C G. Willson, T J. Hu, Vivek M. Prabhu, Christopher L. Soles, Eric K. Lin, Wen-Li Wu, D L. Goldfarb, M Angelopoulos, B C. Trinque
The focus of this paper is the form of spatial heterogeneity of deprotection at the eventual pattern edge. The form results from the packing of fuzzy blobs...
Eric P. Whitenton, Michael Kennedy, Matthew A. Davies, Gerald V. Blessing, Brian S. Dutterer, Richard L. Rhorer, Howard W. Yoon, Lyle E. Levine, Richard J. Fields, D Basak, Timothy J. Burns
The accuracy of simulations for modeling of machining processes is often limited due to insufficient knowledge of the material properties during machining...
This paper describes an iterative algorithm for registration of 3D LADAR data. The proposed approach is iconic in nature with suitable modifications to deal...
Jean C. Scholtz, Emile L. Morse, Sharon J. Laskowski, A Wichansky, K Butler, K Sullivan
One way to encourage software developers to integrate usability engineering into their development process is for purchasers to require evidence of product...
Hae-Jeong Lee, Christopher L. Soles, Da-Wei Liu, Barry J. Bauer, Eric K. Lin, Wen-Li Wu
X-ray porosimetry is used to characterize structural characteristics, including pore size distribution, average density, wall density, and porosity, of...
sides obtaining the hardness of materials, indentation test has also been developed as a popular method for investigating mechanical properites. There exist...
Garnett W. Bryant, Javier Aizpurua, W Jaskolski, M Zielinski
An understanding of how dots couple in quantum dot molecules and arrays is needed so that the possibilities for tailored nanooptics in these systems can be...
Fluorescence induced by the tunneling current of a scanning tunneling microscope is used to investigate the electromagnetic coupling of a metal tip and a metal...
The National Cooperative Highway Research Program (NCHRP Project 05-16) awarded The National Institute of Standards and Technology (NIST) a contract to develop...
Simulation analyses have been conducted on the colorimetric errors associated with the data interval, bandpass, and wavelength errors of a spectrometer, using...
The specification of the color of an object is important, sometimes crucially, to its acceptability for an intended application. When quantitative measurements...
Jun Ye, R J. Jones, K W. Holman, S M. Foreman, D J. Jones, S T. Cundiff, John L. Hall, T M. Fortier, A Marian
A remarkable synergy has been formed between the technology of precision optical frequency metrology and ultrafast laser science. This has resulted in control...
Fujun Wang, Steven J. Fenves, Sudarsan Rachuri, Ram D. Sriram
A strategy successfully used by manufacturing companies is to develop product families so as to offer a variety of products with reduced development costs. This...
Mass Customization Manufacturing (MCM) systems possess special characteristics that make the modeling of such systems extremely difficult. These characteristics...
Andras Vladar, John S. Villarrubia, Michael T. Postek
The international guidelines for correct expression of measurement results and errors call for a through assessment of the errors, their origin and behavior...
Kristan L. Corwin, Nathan R. Newbury, Brian Washburn, Scott A. Diddams, J M. Dudley, S. Coen, R Windeler
Supercontinuua generated in microstructure fiber can exhibit amplitude fluctuations of 70%. Experimental and numerical studies of this broadband noise reveal...
Longer duration missions to the moon, to Mars, and on the International Space Station (ISS)increase the likelihood of accidental fires. NASA s fire safety...
Database-assisted design (DAD) for wind results in structures with reduced material consumption and failure risks, i.e., in improved safety and sustainability...
J P. Pinelli, C Subramanian, L. Zhang, K Gurley, A Cope, Emil Simiu, S M. Diniz, S Hamid
This paper presents a practical probabilistic model for the projection of annualized damage costs to residential structures due to hurricanes. The estimation of...
Hardness measurement is widely used in industrial applications for quality control and acceptance testing of products because it is fast, inexpensive and...
A conventional characteristic of hardness measurements in the strong dependency on the official definition of each scale. For this reason, and to assure a good...
Ronald L. Jones, T Hu, Eric K. Lin, Wen-Li Wu, D M. Casa, Ndubuisi George Orji, Theodore V. Vorburger, P J. Bolton, Z Barclay
The challenges facing current metrologies based on SEM, AFM, and light scatterometry for technology nodes of 157 nm imaging and beyond suggest that the...
C Devadoss, Yijun Wang, R Puligadda, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, E Jablonski, Daniel A. Fischer, S Sambasivan, Eric K. Lin, Wen-Li Wu
Results are reported from studies of (A) surface versus bulk chemistry of BARC materials as a function of cure temperature, (B) the dependence of the thickness...
A Nicoletti, P Srinivasan, M Riva, Eric C. Benck, A N. Goyette, Yicheng Wang, J M. Kim, P Hsieh, A Athayde, Abhay Joshi
Hexafluoro-1,3-butadiene (C 4F 6) is a relatively new etch gas for the manufacturing of semiconductor devices, especially in critical etch processes that need...