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 13251 - 13275 of 73755

3.5 GHz Radar Waveform Capture at Fort Story

August 4, 2017
Author(s)
Paul D. Hale, Jeffrey A. Jargon, Peter J. Jeavons, Michael R. Souryal, Adam J. Wunderlich, Mark Lofquist
We describe measurements to create a library of high-fidelity waveforms of federal incumbent radar signals currently operating in the 3550 MHz – 3650 MHz (“3.5 GHz”) band. In this second phase of assembling the library, measurements were collected at Fort

Identifying Vulnerable Populations to Death and Injuries from Residential Fires

August 4, 2017
Author(s)
Stanley W. Gilbert, David T. Butry
Residential fire casualty risk is a function of an individual’s exposure risk and vulnerability. The previous literature focuses on measuring correlations between socioeconomic factors and casualties, and identifies at-risk population. This study controls

Microanalysis: What Is It, Where Did It Come From, and Where Is It Going?

August 4, 2017
Author(s)
Dale E. Newbury
"Microanalysis" in the parlance of the Microanalysis Society (MAS) refers to spatially-resolved elemental and molecular analysis performed at the micrometer to nanometer to picometer scales by any combination of excitation and analytical spectrometry that

Multiple method analysis of TiO2 nanoparticles uptake, accumulation and effects in rice (Oryza sativa L.) plants

August 4, 2017
Author(s)
Yinqging Deng, Elijah Petersen, Katie Challis, Savelas A. Rabb, Richard D. Holbrook, James Ranville, Bryant C. Nelson, Baoshan Xing
Understanding the translocation of nanoparticles (NPs) into plants is challenging because quantitative and qualitative methods are still being developed and the comparability of results among different methods is unclear. In this study, the uptake of NPs

SEM/EDS Trace Analysis: Limits Imposed by Fluorescence of the Detector

August 4, 2017
Author(s)
Dale E. Newbury, Nicholas W. Ritchie, Michael J. Mengason, Keana C. Scott
Elemental trace analysis by electron-excited x-ray spectrometry performed in the scanning electron microscope (SEM) with energy dispersive x-ray spectrometry (EDS) can reach a limit of detection of 0.0005 mass fraction for many elements. Exceptions include

Structural and electrical analysis of epitaxial 2D/3D vertical heterojunctions of monolayer MoS2 on GaN

August 4, 2017
Author(s)
Albert Davydov, Terrance P. O'Regan, Andrew A. Herzing, Dimitry Ruzmetov, Robert A. Burke, Kehao Zhang, A. Glen Birdwell, DeCarlos Taylor, E Byrd, Joshua A. Robinson, Tony G. Ivanov, M R. Neupane, S D. Walck
Integrating two-dimensional (2D) and three-dimensional (3D) semiconductors to realize vertical heterojunctions with novel electronic and optoelectronic properties is gaining interest from the device community. In this study, we utilize an approach that

Microscopy (Big and Small) Data Analysis With the Open Source Software Package HyperSpy

August 3, 2017
Author(s)
Francisco de la Pena, Tomas Ostasevicius, Vidar T. Fauske, Pierre Burdet, Petras Jokubauskas, Magnus Nord, Mike Sarahan, Eric Prestat, Joshua Taillon, Jan Caron, Tom Furnival, Katharine E. MacArthur, Alberto Eljarrat, Stefano Mazzucco, Vadim Migunov, Thomas Aarholt, Michael Walls, Florian Winkler, Gael Donval, Ben Martineau, Andreas Garmannslund, Luiz-Fernando Zagonel, Ilya Iyengar

Modeling Performance Measurement of Mobile Manipulators

August 3, 2017
Author(s)
Roger V. Bostelman, Sebti Foufou, Tsai H. Hong
Mobile manipulators are being marketed around the world as single manufacturer systems (i.e., robot arm and vehicle manufactured by the same organization) and as independent robot arms, from a different manufacturer and integrated with automatic guided

Unraveling the Single-Nanometer Thickness of Shells of Vesicle-Templated Polymer Nanocapsules

August 3, 2017
Author(s)
Andrew G.. Richter, Sergey A. Dergunov, Mariya D. Kim, Sergey N. Shmakov, Sai Venkatesh Pingali, Volker S. Urban, Yun Liu, Eugene Pinkhassik
The recent emergence of vesicle-templated nanocapsules as a viable platform for diverse applications has heightened the need for detailed structural characterization of nanocapsule shells and for better understanding of surfactant-mediated directed

Influence of polymer architecture on diffusion in polymers melts

August 2, 2017
Author(s)
Alexandros Chremos, Cheol Jeong, Jack F. Douglas
Recent simulations have indicated that the thermodynamic properties and the glassy dynamics of polymer melts are strongly influenced by average molecular shape, as quantified by the radius of gyration tensor of the polymer molecules, and that average

Phase stability and lithium loading capacity in a liquid scintillation cocktail

August 2, 2017
Author(s)
Denis E. Bergeron, Mark A. Tyra, Hans P. Mumm
Liquid scintillation cocktails loaded with neutron capture agents such as 6Li are used in both neutron and neutrino detectors. For detectors designed to operate over extended timespans, long-term stability can be a concern. We demonstrate the

Using Replicates in Information Retrieval Evaluation

August 2, 2017
Author(s)
Ellen M. Voorhees, Daniel V. Samarov, Ian M. Soboroff
This paper explores a method for more accurately estimating the main effect of the system in a typical test-collection-based evaluation of information retrieval systems, and thus increasing the sensitivity of system comparisons. Randomly partitioning the

aCORN: an experiment to measure the electron-antineutrino correlation coefficient in free neutron decay

August 1, 2017
Author(s)
Maynard S. Dewey, Fred B. Bateman, Wangchun Chen, Thomas R. Gentile, Md. T. Hassan, Michael P. Mendenhall, Jeffrey S. Nico, Brian Collett, Jim Byrne, William Byron, Guillaume Darius, Christina DeAngelis, Gordon L. Jones, Alexander Komives, Alexander Laptev, George Noid, Hyeonseo Park, Ed Stephenson, I Stern, K Stockton, Bob Trull, Fred Wietfeldt, B G. Yerozolimsky
We describe an apparatus used to measure the electron-neutrino angular correlation coefficient, a, in free neutron decay. The apparatus employs a novel measurement technique in which the angular correlation is converted into a proton time-of-flight

Anisotropy, Tension-Compression Asymmetry and Texture Evolution of a Rare-Earth-Containing Magnesium Alloy Sheet, ZEK100, at Different Strain Rates and Temperatures: Experiments and Modeling

August 1, 2017
Author(s)
Saadi A. Habib, Akhtar S. Khan, Thomas H. Gnaupel-Herold, Jeffrey T. Lloyd, Scott E. Schoenfeld
Mechanical responses and texture evolution of rare earth containing magnesium alloy, ZEK100, sheet are measured under uniaxial (tension-compression) loadings along the rolling direction (RD), 45° to rolling direction (DD), transverse direction (TD) and
Displaying 13251 - 13275 of 73755
Was this page helpful?