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Displaying 28776 - 28800 of 73461

THERMOPHYSICAL PROPERTIES OF FLUIDS

January 1, 2009
Author(s)
Eric W. Lemmon
These tables give thermodynamic and transport properties of a variety of fluids, as generated from the equations of state presented in the references below. The properties tabulated are pressure (P), density (ρ), enthalpy (H), entropy (S), isochoric heat

Use of ISOIEC 24727:

January 1, 2009
Author(s)
Hung Dang, Hildegard Ferraiolo, William MacGregor, Ketan Mehta, Teresa Schwarzhoff

VERDiCT: Viscosity Enhancers Reducing Diffusion in Concrete Technology

January 1, 2009
Author(s)
Dale P. Bentz, Max A. Peltz, Kenneth A. Snyder, Jeffrey M. Davis
Our nation's infrastructure and long term containment of nuclear waste are two critical applications requiring concrete with an increased service life. In this paper, a new paradigm for increasing concrete service life is presented. Since diffusion of

Vibration-induced PM noise in oscillators and its suppression

January 1, 2009
Author(s)
Archita Hati, Craig W. Nelson, David A. Howe
High precision oscillators have significant applications in modern communication and navigation systems, radars, and sensors mounted in unmanned aerial vehicles, helicopters, missiles, and other dynamic platforms. These systems must provide their required

Downwelling Surface Spectral Irradiance Measurements with the Marine Optical BuoY

December 31, 2008
Author(s)
Bettye C. Johnson, M Feinholz, S Flora, M Yarbrough, Terrance Houlihan, D Peters, Dennis Clark
The Marine Optical BuoY (MOBY), off the coast of Lanai, Hawaii, has made in situ, in-water up-welling spectral radiance and downwelling surface spectral irradiance measurements since July 1997. The MOBY observatory concept was developed and implemented

Droplet Formation at Microfluidic T-junctions

December 31, 2008
Author(s)
David A. LaVan, Xiang Xu
Analysis of droplet formation in microfluidic systems is important to understand the operation of these devices, and to permit optimal design and process control. Droplet formation in microfluidic T-junction devices was studied using experimental and

Facility Interface to the Smart Grid

December 31, 2008
Author(s)
David G. Holmberg
Homes, commercial buildings and the industrial sector together represent 100 percent of the load on the electric grid. Beyond load, these facilities provide a growing amount of electric generation and storage in the form of distributed energy resources

My experience as a Commerce Science and Technology Fellow on Capitol Hill

December 31, 2008
Author(s)
Ana I. Aviles
How did I age a decade in less than a year? I worked for a Member of Congress and I made the most of my time on Capitol Hill! For ten months I served as primary advisor to Congressman Fortu o (R-PR) on science, space, technology, and telecommunications. I

Robotic Patient Lift and Transfer

December 31, 2008
Author(s)
Roger V. Bostelman, James S. Albus
This book chapter provides background on wheelchairs, patient lift devices and the combination of mobile patient lift and transfer devices and research. The NIST Home Lift, Position and Rehabilitation (HLPR) Chair is detailed explaining the system, its use

Spin Correlations in the Geometrically Frustrated Pyrochlore Tb 2 Mo 2 O 7

December 31, 2008
Author(s)
D. K. Singh, J. S. Helton, S. Chu, T. Han, C. Bonnoit, Sung Chang, Hye J. Kang, Jeffrey W. Lynn, Y. S. Lee
We report neutron scattering studies of the spin correlations of the geometrically frustrated py- rochlore Tb 2Mo 2O 7using single crystal samples. Elastic diffuse peaks are observed at low temperatures, indicating short-range ordering of the Tb 3+ moments
Displaying 28776 - 28800 of 73461
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