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.
Elisabeth Mansfield, Roy H. Geiss, Jeffrey A. Fagan
The National Institute of Standards and Technology (NIST) is releasing a series of single-walled carbon nanotube Standard Reference Materials (SRMs) to provide...
Li Piin Sung, Dongmei Zhe, Aaron M. Forster, Peter Krommenhoek, Nancy J. Lin, Sheng Lin-Gibson
Investigation on the effect of nano-silica on the effect of nano-silica on the surface morphology and mechanical properties has been carried out on two...
Bjoern J. Johansson, Asa Fasth, Johan Stahre, Juhani Heilala, Swee K. Leong, Yung-Tsun T. Lee, Frank H. Riddick
Handling flexibility in an ever changing manufacturing environment is one of the key challenges for a successful industry. By using tools for virtual...
Several prototype steel moment-frame buildings have been designed for the purpose of assessing their vulnerability to progressive collapse. The buildings were...
Xenia Fiorentini, Sudarsan Rachuri, Steven R. Ray, Ram D. Sriram
Designers and engineers use various engineering authoring tools, such as CAD, CAE, and PDM,, to generate information objects (engineering objects). On the...
Nathaniel J. Fredin, Brian Berry, Kevin G. Yager, Alamgir Karim, Sushil K. Satija, Deanna Pickel, Ronald L. Jones
The development of methods that permit control over the long-range order and orientation of microdomains in block copolymer (BCP) thin films for bottom-up...
Chriss A. Grosvenor, David R. Novotny, Dennis G. Camell, Galen H. Koepke, Robert Johnk, Nino Canales
The National Institute of Standards and Technology has completed penetration studies on three different aircraft for the Federal Aviation Administration. These...
David R. Novotny, Jeffrey R. Guerrieri, Daniel G. Kuester
The potential of electromagnetic (EM) interference between multi-channel, FCC Part 15 UHF (902-928 MHz) ISM [1] emitters and devices that have passed immunity...
In this paper, we study a wide class of single-keyed domain extension algorithms, called generalized domain extension (\tx{GDE}), extending a keyed function $F...
This paper provides an improved security analysis of popular pseudorandom functions (PRF) based on an $n$-bit pseudorandom permutation (PRP). In CRYPTO-05, an...
Dimethacrylate-based composites have seen increased application in orthopedics, where materials are typically placed in direct contact with viable bone tissue...
Behrang H. Hamadani, Suyong S. Jung, Nikolai B. Zhitenev
Organic solar cells, which have attracted considerable interest over the last few years as low-cost, simply-processed alternatives for harvesting the solar...
Joy P. Dunkers, Hae-Jeong Lee, Marvi Matos, Lisa Pakstis, Juan M. Taboas, Steven D. Hudson, Marcus T. Cicerone
When culturing cells on flexible surfaces, it is important to consider extracellular matrix treatments that will remain on the surface under mechanical strain...
Relaxation processes in viscous liquids and glasses have been studied extensively as these processes dictate polymer reliability in applications where a...
Joseph M. Antonucci, Bruce O. Fowler, Diana N. Zeiger, Nancy Lin, Sheng Lin-Gibson
Although progress has been made in reducing polymerization shrinkage through resin and filler phase modifications, and in designing improved dental adhesion...
Christopher M. Stafford, Jun Y. Chung, Heqing Huang, Adam J. Nolte, Peter M. Johnson, Edwin P. Chan
The structure and properties of polymer interfaces play an integral role in numerous technological applications, particularly in the areas of coatings and...
This paper describes a standards-based global ocean monitoring system developed at the National Institute of Standards and Technology (NIST) with collaborating...
Richard M. Silver, Bryan M. Barnes, Hui Zhou, Nien F. Zhang, Ronald G. Dixson
This paper introduces recent advances in scatterfield microscopy using improved normalization and fitting procedures. Reduced measurement uncertainties are...
The calculation of natural gas viscosity has been implemented many different ways including the use of constants. Different methods of calculating natural gas...
Critical flow venturis (CFVs) can be used to measure flow under transient pressure, temperature, and flow conditions with k=2 uncertainties of 0.4 % or less...
We report progress in testing a dynamic gravimetric standard using both steady and unsteady water flows. For steady flows in the range 10 kg/s to 60 kg/s, the...
Measurements of the flow and the energy content of natural gas rely on equations of state to compute four thermodynamic properties: 1) compressibility factor; 2...
The manufacturing companies are facing the challenging dilemma on how to achieve better quality products while reducing manufacturing costs and define the...
This paper recommends practices for development and deployment of modeling, simulation and analysis (MS&A) tools for homeland security applications. The set of...
This paper proposes a framework for application of system dynamics modeling to sustainable manufacturing. Sustainable manufacturing involves interaction of...
Substantial global climate changes due to global warming and the growing rate resource depletion have compelled several researchers to focus their research in...
Antonio Izquierdo Manzanares, Nada T. Golmie, Richard A. Rouil
In this paper we study the performance of the authentication process in media independent handovers, and consider the impact of using IEEE 802.21 link triggers...
Charles S. Tarrio, Robert E. Vest, Thomas B. Lucatorto, R. Caudillo
Optics in EUVL exposure tools are known to suffer reflectivity degradation, mostly from the buildup of carbon. The sources of this carbon have been difficult to...
Chiara F. Ferraris, Zughuo Li, Mona Mohseni, Nicholas Franson
Oil is the most used standard material for the calibration of rheometers. Other products are used to calibrate flow devices, i.e., the flow table is calibrated...
Thomas A. Germer, Heather J. Patrick, Richard M. Silver, Benjamin Bunday
This article describes how an uncertainty analysis may be performed on a scatterometry measurement. A method is outlined for propagating uncertainties through a...