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.
Q Liu, M Febbraro, R.J. deBoer, S. Aguilar, A Boeltzig, Y Chen, M Couder, J Görres, Jamie Weaver, K. T. Macon, M. Wiescher, K. Manukyan, L. Morales, S Pain, W. A. Peters, C. Seymour, G. Seymour, R. Toomey, B. Vande Kolk
Nucleosynthesis in the fi rst generation of massive stars offer a unique setting to explore the creation of the fi rst heavier nuclei in an environment free of...
Wen-Yuan Pei, Jin Yang, Hui Wu, Wei Zhou, Ying-Wei Yang, Jian-Fang Ma
For self-assembly of large multi-component coordination cages, the difficulty increases substantially as the number of components increases. Judicious choice of...
Mathias Jorgensen, Patrick T. Shea, Anton W. Tomich, Joel B. Varley, Marnik Bercx, Sergio Lovera, Radovan Cerny, Wei Zhou, Terrence J. Udovic, Vincent Lavallo, Torben R. Jensen, Brandon C. Wood, Vitalie Stavila
Solid-state ion conductors based on closo-polyborate anions combine high ionic conductivity with a rich array of tunable properties. Cation mobility in these...
Xuanxuan Chen, Thomas Albrecht, Paulina R. Delgadillo, Takahiro Dazai, Paul Nealey, Regis J. Kline, Daniel Sunday, Ken Miyagi, Takaya Maehashi, Akiyoshi Yamazaki
William Sides, Ehsan Hassani, David P. Pappas, Yang Hu, Tae-Sick Oh, Qiang Huang
The relationship between superconductivity and the film preparation conditions, i.e., the thickness and annealing process, in electrodeposited rhenium (Re)...
Aaron N. Johnson, Iosif I. Shinder, Bernard J. Filla, Joey T. Boyd, Rodney A. Bryant, Michael R. Moldover, Thomaa D. Martz, Matthew Gentry
Exhaust flows from coal-fired electricity-generating-plants are determined by measuring the flue gas velocity at prescribed points in the stack cross section...
Mehrdad Asgari, Rocio Semino, Pascal A. Schouwink, Ilia Kochetygov, Jacob D. Tarver, Olga Trukhina, Rajamani Krishna, Craig Brown, Michele Ceriotti, Wendy L. Queen
In this work, a detailed study is conducted to understand how ligand substitution influences the CO 2 and N 2 adsorption properties of two highly crystalline...
June W. Lau, Karl B. Schliep, Michael B. Katz, Vikrant J. Gokhale, Jason J. Gorman
A 300 keV transmission electron microscope was modified to produce broadband pulsed beams, that can be in principle, between 40 MHz to 12 GHz, corresponding to...
Jason D. Holm, Benjamin W. Caplins, Jason P. Killgore
This contribution demonstrates experimentally how a series of annular dark-field transmission images collected in a scanning electron microscope (SEM) with a...
Jiyan Pei, Jia-Xin Wang, Kai Shao, Yu Yang, Yuanjing Cui, Hui Wu, Wei Zhou, Bin Li, Guodong Qian
Realization of ethane-trapping materials for separating ethane (C 2H 6) from ethylene (C 2H 4) by adsorption, to potentially replace the energy-intensive...
Arvind Shankar Raman, Karl Haapala, Kamyar Raoufi, Barbara S. Linke, William Z. Bernstein, KC Morris
Over the past century, research has focused on continuously improving the performance of manufacturing processes and systems - often measured in terms of cost...
Bryant C. Nelson, Caterina Minelli, Shareen H. Doak, Matthias Roesslein
The development and application of nanotechnology-enabled medicinal products, including drugs, devices and in vitro diagnostics, is rapidly expanding in the...
Information is provided on four terms that are used for different purposes in X-ray photoelectron spectroscopy (XPS): the inelastic mean free path (IMFP), the...
Juan F. Fung, Siamak Sattar, David T. Butry, Steven L. McCabe
This paper presents a methodology for estimating seismic retrofit costs from historical data. In particular, historical retrofit cost data from FEMA 156 is used...
This work provides results and analysis of the in situ thermal measurement acquired during the 3D builds performed for the 2018 Additive Manufacturing Benchmark...
Eric S. Stanfield, John R. Stoup, Michael P. Braine, Theodore D. Doiron
In this paper we present both the design details and uncertainty budget for a National Institute of Standards and Technology (NIST)-developed high-accuracy...
Greta Dalle Luche, Ashley Boggs, John Kucklick, Jasmin Gross, Darryl Hawker, Susan Bengston Nash
The blubber steroid hormone profiles of 52 female humpback whales migrating along the east coast of Australia were investigated for possible seasonal...
Nathan Mahynski, Evan Pretti, Runfang Mao, Vincent K. Shen, Jeetain Mittal
Inverse design methods are powerful computational approaches for creating colloidal systems which self-assemble into a target morphology by reverse engineering...
Amber D. McCreary, Jeffrey R. Simpson, Thuc T. Mai, Robert D. McMichael, Jason E. Douglas, Nicholas P. Butch, Cindi L. Dennis, Rolando Valdes Aguilar, Angela R. Hight Walker
Recently it was discovered that van der Waals-bonded magnets retain long range magnetic ordering even down to a monolayer thickness, opening many avenues in...
Kyoung-Il Jo, Younghoon Oh, Bong June Sung, Tae-Ho Kim, Min Seop Um, Woo Jin Choi, Joona Bang, Guangcui Yuan, Sushil K. Satija, Jaseung Koo
For polymer-blend films, local dynamics in confined polymer domains tend to differ from the bulk due to significant contributions from the polymer-polymer...
Andrey Galkin, Yajing Chen, Sijy O'Dell, Roderico Acevedo, James Steinhardt, Yimeng Wang, Richard Wilson, Chi-I Chiang, Alexander Grishaev, John Mascola, Yuxing Li
Elicitation of broadly neutralizing Ab (bNAb) responses toward the conserved HIV-1 envelope (Env) CD4 binding site (CD4bs) by vaccination is an important goal...
Hsiang C. Hsueh, Jae H. Kim, Sara Orski, Andrew Fairbrother, Deborah Jacobs, Donald L. Hunston, Christopher C. White, Li Piin Sung, Lakesha Perry
Accelerated weathering tests were performed to investigate the effects of multiple ultraviolet (UV) light intensities and temperatures on the tensile behavior...
Miguel Flores-Mancera, John S. Villarrubia, G. Massillon
We report new calculations, which include the influence of the band gap and exciton states, of the electron inelastic mean free path (IMFP) for liquid water...
This paper describes the design and integration of a custom-built optical instrument for in- situ Raman microscopy suitable for collecting high-quality...
Edward R. Sisco, Matthew E. Staymates, Thomas P. Forbes
The use of direct analysis in real time mass spectrometry (DART-MS) is seeing increased use in a number of fields, including forensic science, environmental...
Ian H. Bell, Erik Mickoleit, Chieh-Ming Hsieh, Shiang-Tai Lin, Jadran Vrabec, Cornelia Breitkopf, Andreas J?ger
The COSMO-SAC modeling approach has found wide application in a range of industries due to its good predictive capabilities. While UNIFAC is in general more...