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.
Standard classic Flory-Huggins (FH) theory is employed to describe the enigmatic cosolvency and co-nonsolvency phenomena for systems of polymers dissolved in
Chiao-Chi Lin, Peter J. Krommenhoek, Stephanie S. Watson, Xiaohong Gu
In this study, Raman imaging was used to depth profiling the chemical degradation of a commercial PPE (polyethylene terephthalate (PET)/PET/ethylene vinyl
A new hybrid-model fitting program for methylamine-like molecules has been developed, based on an effective Hamiltonian in which the ammonia-like inversion
Wan Si NMN Tang, Terrence J. Udovic, Vitalie Stavila
The recent discovery of unusually high cationic conductivity in Na 2B 12H 12 above its entropy-driven, order-disorder phase transition near 529 K and the
Coherent anti-Stokes Raman scattering (CARS) microspectroscopy has demonstrated significant potential for biological and materials imaging. To date, however
James V. Porto, Varun Vaidya, Jiraphat Tiamsuphat, Steven Rolston
We report the first realization of a quantum degenerate mixture of bosonic $^{87}$Rb and fermionic $^{171}$Yb atoms in a hybrid optical dipole trap with a
Polymerase chain reaction (PCR) end-point limiting dilution techniques, collectively termed "digital PCR (dPCR)", have been proposed as providing a potentially
Randall J. McDermott, Kevin B. McGrattan, Jason Floyd
A strategy is proposed to guarantee realizability of species mass fractions in explicit time integration of the partial differential equations governing fire
Asha K. Nurse, Sean A. Colbert-Kelly, Sam R. Coriell, Geoffrey B. McFadden
Motivated by recent investigations of toroidal tissue clusters that are observed to climb conical obstacles after self-assembly, we study a related problem of
The microwave spectrum of the molecular complex of sulfur dioxide (SO2) with carbon monoxide (CO) has been studied with a pulsed-beam Fourier Transform
James Alexander Liddle, Jeffrey Elam, Mahua Biswas, Seth B. Darling, Angel Yanguas-Gil, Jonathan Emery, Alex Martinson, Paul Nealey, Tamar Segal-Peretz, Qing Peng, Jonathan P. Winterstein, Y. C. Tseng
Sequential infiltration synthesis (SIS) is a process derived from ALD in which a polymer is infused with inorganic material using sequential, self-limiting
David S. Simons, Christopher W. Szakal, William A. Osborn, Kyung Joong Kim
A pilot study for the quantitative surface analysis of multi-element alloy films has been performed by the Surface Analysis Working Group (SAWG) of the
Allison B. Churnside, Ryan C. Tung, Jason P. Killgore
Viscoelastic property measurements made in liquid are key to characterizing materials for a variety of biological and industrial applications, but obtaining
Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby, Daniel Choiniere
Automated commissioning tools are designed to facilitate the commissioning process, decreasing the amount of time and the skill level required to carry out
Zeeshan Ahmed, Bernard J. Filla, William F. Guthrie, John S. Quintavalle
In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to
Organic coatings adsorbed at a nanoparticle surface, together with the system properties, change the physicochemical properties of the nanoparticle, thereby
Time and its measurement belong to the most fundamental core of physics, and many scientific and technological advances are directly or indirectly related to
Franklyn J. Quinlan, A. J. Metcalf, Tara M. Fortier, Scott A. Diddams, Andrew M. Weiner
We investigate the low timing jitter properties of a tunable single-pass optoelectronic frequency comb generator. The scheme is flexible in that both the
Michael R. Vissers, Robert P. Erickson, Leila R. Vale, Xian Wu, Gene C. Hilton, David P. Pappas
We have fabricated a wide-bandwidth, high dynamic range, low noise cryogenic amplifier based on a superconducting kinetic inductance traveling-wave device. The
Ratan K. Debnath, MD R. Hasan, Ting Xie, Sara C. Barron, Guannan Liu, Nhan V. Nguyen, Abhishek Motayed, M V. Rao
A self-powered ultraviolet (UV) photodetector (PD) based on p-NiO and n-ZnO was fabricated using low-temperature sputtering technique on indium doped tin oxide
Catherine A. Remley, David W. Matolak, Camillo A. Gentile, Christopher L. Holloway, Qiong Wu, Qian Zhang
We report on ground-based wireless channel characteristics for an urban environment in two public safety bands. Results are based upon measurements taken in
sami Znati, N Chedid, Houxun Miao, Lei Chen, Han Wen, Eric E. Bennett
Filling high-aspect-ratio trenches with gold is a frequent requirement in the fabrication of X-ray optics as well as micro-electronic components and other
Yaghoob Farnam, Sarah Dick, Andrew Wiese, Jeffrey M. Davis, Dale P. Bentz, Jason Weiss
The conventional CaCl2-H2O phase diagram is often used to describe how a calcium chloride behaves when it is used on a concrete pavement undergoing freezing and
J. Aspnes, Z. Diamadi, A. Yampolskiy, K. Gjosteen, Rene Peralta
We introduce a new cryptographic primitive called a blind coupon mechanism (BCM). In effect, a BCM is an authenticated bit commitment scheme, which is AND
A Regional Metrology Organization (RMO) Key Comparison of dew/frost point temperatures was carried out by the National Institute of Standards and Technology
Mark O. McLinden, Richard A. Perkins, Eric W. Lemmon, Tara J. Fortin
We report comprehensive thermodynamic property measurements of 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone. The pρT behavior was measured
Aaron M. Katzenmeyer, Glenn E. Holland, Jungseok Chae, Alan H. Band, Kevin Kjoller, Andrea Centrone
An atomic force microscope equipped with temperature sensitive probes was used to measure locally the photothermal effect induced by IR light absorption. This