U.S. flag

An official website of the United States government

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.

Search Publications

NIST Authors in Bold

Displaying 251 - 275 of 632

Magnetization and magnetoresistance of common alloy wires used in cryogenic instrumentation

April 16, 2007
Author(s)
Mike Abrecht, Andrew Adare, John (Jack) W. Ekin
… susceptibilities in Systeme International units at 4.2 K were found to be: Manganin 1.25x10 -2 , Nichrome 5.6x10 … wires was relatively small: the changes in resistance at 4 K due to a 10 T transverse magnetic field are -2.56% for … Constantan, -2.83% for Manganin, +0.69% for Nichrome, and +4.5% for phosphor bronze, compared to about +188% for a …

High Performance Transition-Edge-Sensor Based Detectors

June 1, 2001
Author(s)
Gene C. Hilton, Steven Deiker, Kent D. Irwin, Sae Woo Nam, John M. Martinis, David A. Wollman
… yet achieved for any energy-dispersive detector (4.5 eV at 5.9 keV and 2 eV at 1.5 keV). In addition to the …

Low-Temperature Elastic Coefficients of Polycrystalline Indium

November 1, 1997
Author(s)
K Sudook, H M. Ledbetter
… during cooling. The Poisson ratio was unusally high at 0.45, just below the theoretical upper bound of 0.5. Using a … We calculated the acoustic Debye temperature, 108.4 K. that agreed well with a monocrystal acoustic value, …

Critical Gaps in Durability Data for FRP Composites in Civil Infrastructure

May 1, 2000
Author(s)
V M. Karbhari, Joannie W. Chin, D R. Reynaud
Although fiber reinforced polymer (FRP) composites are increasingly being used for the renewal of civil infrastructure, there are still some major questions related to the durability of these materials in a civil engineering environment. This concern is

An Octacalcium Phosphate Forming Cement

April 16, 2010
Author(s)
Milenko Markovic, Laurence C. Chow
… ± 0.20) vol % after 1 d, respectively, and (9.15 ± 0.45) MPa and (37.24 ± 0.63) vol % after 3 d, respectively. In … solution OCP and HA were formed and DTS and P were (4.38 ± 0.49) MPa and (41.44 ± 1.25) vol % after 1 d, … time from 30 mass % after 1 d to 35 mass % after 3d and to 45 mass % after 7 d in CPCs prepared with 0.5 mol/L phosphate …

Measurements of 25 Mg + and 27 Al + magnetic constants for improved ion clock accuracy

July 15, 2019
Author(s)
Samuel M. Brewer, Jwo-Sy Chen, Aaron M. Hankin, Ethan Clements, Chin-wen Chou, Kyle Beloy, Will McGrew, Xiaogang Zhang, Robert J. Fasano, Daniele Nicolodi, Holly Leopardi, Tara Fortier, Scott Diddams, Andrew Ludlow, David J. Wineland, David Leibrandt, David Hume
… 2S1/2 ground electronic state, Ahfs = -596 254 250.981(45) Hz, with improved uncertainties. Both constants are … for the free 25Mg+ ion gI' = 1.861 957 83(28) X 10-4. …

Inhibition of cellular proliferation and enhancement of hydrogen peroxide production in fibrosarcoma cell line by weak radio frequency magnetic fields

September 23, 2014
Author(s)
Pablo Castello, Iain Hill, Lucas Portelli, Frank Barnes, Robert J. Usselman, Carlos Martino
This study presents experimental data for the effects of weak radio frequency (RF) magnetic fields on hydrogen peroxide (H2O2) production and cellular growth rates of fibrosarcoma HT1080 cells in vitro. Cells were exposed either to 45mT static magnetic

Feeling Small: Exploring the tactile perception limits

September 12, 2013
Author(s)
Lisa Skedung, Martin Arvidsson, Jun Y. Chung, Christopher Stafford, Birgitta Berglund, Mark W. Rutland
… µm and the amplitudes of the roughness vary from 7 nm to 4.5 µm. When these surfaces are pairwise compared by naïve …
Displaying 251 - 275 of 632
Was this page helpful?