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Kevin J. Coakley, Benjamin Miller, Stephen A. Montzka, Colm Sweeney, Ben Miller, John B. Miller
In contrast to CO2 produced in the atmosphere by all other sources, CO2 produced by the combustion of fossil fuels is devoid of 14C. Thus, the measured 14C: 12C...
Joseph W. Britton, John J. Bollinger, Justin G. Bohnet, Brian C. Sawyer, Hermann Uys, Michael Biercuk
Superconducting magnets enable precise control of nuclear and electron spins, and are used in experiments that explore biological and condensed matter systems...
Tsong Yueh Chen, Fei-Ching Kuo, Wenjuan Ma, Willy Susilo, Dave Towey, Jeff Voas, Zhi Q. Zhou
Testing is a major approach for the detection of software defects, including security vulnerabilities. This article introduces metamorphic testing (MT), a...
Desu Chen, Sumona Sarkar, Julian Candia, Carl G. Simon Jr., Wolfgang Losert, Joy P. Dunkers, Stephen J. Florczyk, Subhadip Bodhak, Meghan Driscoll
Cell morphology has been identified as a potential indicator of stem cell response and function in biomaterial environments. However, determination of cell...
Frederic Overney, Nathan Flowers-Jacobs, Blaise Jeanneret, Alain Rufenacht, Anna Fox, Jason Underwood, Andrew D. Koffman, Samuel P. Benz
This paper describes a Josephson-based full digital impedance bridge capable of comparing any two impedances, regardless of type (R-C, R-L, or L-C), over a...
Density functional theory simulations of diamond tips indenting Ni surfaces are used to study the early stages of nanoindentation. Numerous complex interactions...
In 1946, Magnus presented an addition theorem for the confluent hypergeometric function of the second kind $U$ with argument $x+y$ expressed as an integral of a...
The rapid and sensitive detection of sugar alcohols sweeteners was demonstrated using ion mobility spectrometry (IMS). IMS provides a valuable compromise in...
Clinton G. Wiener, Madhu Sudan Tyagi, Yun Liu, R. A. Weiss, Bryan D. Vogt
Prevention of ice crystallization is a challenging problem with implications in diverse applications, including the ability to examine the fundamental low...
The National Institute of Standards and Technology (NIST) began to offer proficiency testing for Solid-State Lighting (SSL) products through a Measurement...
One aspect of adaptive mesh refinement in the finite element method for solving partial differential equations is the method by which elements are refined. In...
Third hand smoke (THS) is the residue left remaining on surfaces during smoking events, and is composed of particles and vapors that form upon heating. The...
Frank W. DelRio, Ryan M. White, Sergiy Krylyuk, Albert Davydov, Lawrence H. Friedman, Robert F. Cook
In this letter, fracture strengths σf of native and oxidized silicon nanowires (SiNWs) were determined via atomic force microscopy bending experiments and...
Winnie K. Wong-Ng, William J. Laws, James A. Kaduk
The CaO-¿Eu2O3-CoOz system prepared at 885 °C in air consists of two calcium cobaltate compounds, namely, the 2D thermoelectric oxide solid solution, (Ca3-xEux...
Darine El Haddad, Frank C. Seifert, Leon S. Chao, David B. Newell, Jon R. Pratt, Carl J. Williams, Stephan Schlamminger, Shisong Li
A precise instrument, called a watt balance, compares mechanical power measured in terms of the meter, the second and the kilogram to electrical power measured...
Xiaoning Jin, David Siegel, Brian Weiss, Ellen Gamel, Wei Wang, Ni Jun
A research study was conducted 1) to examine the practices employed by U.S. manufacturers to achieve productivity goals and 2) to understand what level of...
Wenhui Zhu, Jonathan P. Winterstein, Itai Maimon, Qiyue Yin, Lu Yuan, Aleksey N. Kolmogorov, Renu Sharma, Guangwen Zhou
The atomic-scale reduction mechanism of α-Fe2O3 nanowires by H2 was followed using transmission electron microscopy to reveal the evolution of atomic structures...
Selck Henriette, Richard Handy, Teresa Fernandes, Stephen Klaine, Elijah Petersen
The US-EU Community of Research (CoR) was established in 2012 to provide a platform for scientists to develop a ‘shared repertoire of protocols and methods to...
Low temperature conductivity mechanisms are identified in acceptor doped SrTiO3 single crystals quenched from high temperatures under reducing conditions...
Chao Zheng, Robert D. Shull, Andrew P. Chen, Philip Pong
The Kondo effect in magnetic tunnel junctions (MTJs) is a result of the spin-exchange interaction between magnetic impurities and the conduction electrons. The...
William Loh, Matthew T. Hummon, Holly Leopardi, Tara Fortier, Franklyn Quinlan, John Kitching, Scott Papp, Scott Diddams
We frequency stabilize the output of a miniature stimulated Brillouin scattering (SBS) laser to rubidium atoms in a microfabricated cell to realize a laser...
Low temperature conductivity mechanisms are identified in acceptor doped BaTiO3 single crystals equilibrated and quenched from high temperature under different...
Nathan E. Flowers-Jacobs, Steven B. Waltman, Anna E. Fox, Paul D. Dresselhaus, Samuel P. Benz
The output voltage of Josephson arbitrary waveform synthesizers (JAWS) has been limited by the number of Josephson junctions (JJs) that can be driven by a...
Abbas Arab, Albert Davydov, Dimitrios A. Papaconstantopoulos, Qiliang Li
First-principle calculations have been performed to study thermoelectric properties of monolayer armchair nanoribbons. Structures have been relaxed to minimize...
Luis Fernando Vargas Lara, Francis W. Starr, Jack F. Douglas
We utilize molecular dynamics simulations (MD) and the path-integration program ZENO to quantify hydrodynamic radius (Rh) fluctuations of spherical symmetric...
Cell membranes, composed primarily of lipid bilayers, are dynamically active structures. While the relationship between heterogeneity of dynamics and biological...
Xin Gu, David F. Mildner, David R. Cole, Gernot Rother, Rudy Slingerland, Susan L. Brantley
Pores within organic matter (OM) in gas shales a significant component of the pore system. These pores contribute most of the storage capacity and effective...