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Displaying 15826 - 15850 of 17286

NIST Gas Hydrate Research Database and Web Dissemination Channel

April 1, 2010
Author(s)
Kenneth G. Kroenlein, Vladimir Diky, Robert D. Chirico, Andrei F. Kazakov, Chris D. Muzny, Michael D. Frenkel
To facilitate advances in application of technologies pertaining to gas hydrates, a freely available data resource containing experimentally-derived information about those materials was developed. This work was performed by the Thermodynamic Research

The Human Side of Mass Notification

January 8, 2010
Author(s)
Erica D. Kuligowski
… On February 19, 2009, the National Institute of Standards and Technology (NIST) held a Federal Workshop on …

An experiment for the precision measurement of the radiative decay mode of the neutron

October 5, 2009
Author(s)
R Cooper, Christopher D. Bass, E Beise, H Breuer, Jim Byrne, T E. Chupp, Kevin Coakley, Maynard S. Dewey, B Fisher, Changbo Fu, Thomas R. Gentile, M. McGonagle, Hans Pieter Mumm, Jeffrey S. Nico, Alan Keith Thompson, F E. Wietfeldt
The neutron typically beta decays into a proton, electron, and antineutrino. In some decays, it can be accompanied by a high energy photon. We recently performed the rst observation of the radiative beta decay branch for the free neutron with photons of

Reference measurements of Hydrogen's Dielectric Permittivity

August 10, 2009
Author(s)
James W. Schmidt, Michael R. Moldover, Eric F. May
We used a quasi-spherical cavity resonator to measure the relative dielectric permittivity ε r of H 2 at frequencies from 2.4 GHz to 7.3 GHz, at pressures up to 6.5 MPa, and at the temperatures 273 K and 293 K. The resonator was calibrated using auxiliary

Near-Critical Behavior of Aqueous Systems

October 16, 2008
Author(s)
M A. Anisimov, Jan V. Sengers, Johanna Levelt Sengers
This chapter concentrates on the thermophysical properties of water, steam and aqueous solutions in a large range around the water critical point. The chapter is written for a technically knowledgeable audience without specialized background in fluid

Radioanalytical Emergency Response Exercise

October 16, 2008
Author(s)
Kenneth G. Inn, Iisa Outola, S Nour, Hiromu Kurosaki, L Albin, A Berne
… The National Institute of Standards and Technology (NIST Radiochemistry Intercomparison …

Statistical Learning Methods for Neutron Transmission Tomography of Fuel Cells

July 8, 2008
Author(s)
Kevin Coakley, Dominic F. Vecchia, Daniel S. Hussey
In a fuel cell, water is formed as a by-product of the reaction between hydrogen and oxygen. As a neutron beam passes through a fuel cell, it can undergo s-wave scattering. For the dry and wet states of a fuel cell, there are spatially varying neutron

Dynamically Programmable Digital Tissue Phantoms

December 31, 2007
Author(s)
Steven W. Brown, Joseph P. Rice, David W. Allen, Maritoni A. Litorja, Karel Zuzak, Edward Livingston
As optical imaging modalities gain acceptance for medical diagnostics and become common in clinical applications, standardized protocols to quantitatively assess optical sensor performance are required to ensure commonality in measurements and to validate

Where EAP Security Claims Fail

August 14, 2007
Author(s)
Katrin Hoeper, Lei Chen
The Extensible Authentication Protocol (EAP) is widely used as an authentication framework to control the access to wireless networks, e.g. in IEEE 802.11 and IEEE 802.16 networks. In this paper, we discuss limitations of EAP security and demonstrate how

Multidimensional Instrumentation Applied to Studies of Electrodeposition

February 9, 2007
Author(s)
Brian J. Polk, Felix Duvallet
Students of the experimental sciences have a need to learn how to interface multiple instruments to computers for the purpose of building effective data acquisition systems. For example, a requirement for better process control of electroplating demanded
Displaying 15826 - 15850 of 17286
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