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Displaying 28801 - 28825 of 143827

Micellar phase boundaries under the influence of ethyl alcohol

May 16, 2016
Author(s)
Denis E. Bergeron
The Compton spectrum quenching technique is used to monitor the effect of ethyl alcohol (EtOH) additions on phase boundaries in two systems. In toluenic solutions of the nonionic surfactant, Triton X-100, EtOH shifts the boundary separating the first clear

Applications of Neutron Imaging and Future Possibilities

May 15, 2016
Author(s)
Daniel S. Hussey, David L. Jacobson
Neutron imaging applications exploit the power of neutrons to penetrate through metals and measure small concentrations of hydrogen and lithium with high sensitivity. The recent advances made in digital imaging devices have enabled many novel neutron

Human Response to and Consequences of the May 22, 2011, Joplin Tornado

May 15, 2016
Author(s)
Erica D. Kuligowski, Frank Lombardo, Long T. Phan
Tornadoes wreak havoc and destruction across the United States every year. One such tornado occurred in Joplin, Missouri on May 22, 2011. This tornado killed 161 people, damaged nearly 8,000 structures and caused billions of dollars in damage. This chapter

Structural and optical nanoscale analysis of GaN core-shell microrod arrays fabricated by combined top-down and bottom-up process on Si (111)

May 15, 2016
Author(s)
Sergiy Krylyuk, Marcus Muller, Gordon Schmidt, Sebastian Metzner, Peter Veit, Frank Bertram, Ratan K. Debnath, Jong Yoon Ha, Baomei Wen, Paul T. Blanchard, Alexana Roshko, Abhishek Motayed, Matthew R. King, Albert Davydov, Jurgen Christen
Large arrays of GaN core-shell microrods were fabricated on Si(111) substrates applying a combined bottom-up and top-down approach which includes inductively coupled plasma (ICP) etching of patterned GaN films grown by metal-organic vapor phase epitaxy

High Methane Storage and Working Capacities in a NbO-Type Metal-Organic Framework

May 14, 2016
Author(s)
Chengling Song, Huimin Liu, Jingjing Jiao, Dongjie Bai, Wei Zhou, Taner N. Yildirim, Yabing He
To improve methane adsorption by pore structure optimization, we developed a new organic linker and used it to construct a NbO-type metal-organic framework ZJNU-53 that, after activation, exhibits exceptionally high methane storage and working capacities

Transition from Sign-Reversed to Sign-Preserved Cooper-Paring Symmetry in Sulfur-Doped Iron Selenide Superconductors

May 13, 2016
Author(s)
Qisi Wang, J. T. Park, Yu Feng, Yao Shen, Yiqing Hao, Bingying Pan, Jeffrey W. Lynn, A. Ivanov, Songxue Chi, M. Matsuda, Huibo Cao, R. J. Birgeneau, D.V. Efremov, Jun Zhao
An essential step toward elucidating the mechanism of superconductivity is to determine the sign/phase of superconducting order parameter, as it is closely related to the pairing interaction. In conventional superconductors, the electron-phonon interaction

Use of the Bethe Equation for Inner-Shell Ionization by Electron Impact

May 13, 2016
Author(s)
Cedric J. Powell, Xavier Llovet, Francesc Salvat
We analyzed calculated cross sections for K-, L-, and M-shell ionization by electron impact to determine the energy ranges over which these cross sections are consistent with the Bethe equation for inner-shell ionization. Our analysis was performed with K

Combinatorial Testing for Cybersecurity and Reliability

May 12, 2016
Author(s)
David R. Kuhn, Raghu N. Kacker, Larry Feldman, Gregory A. Witte
This bulletin focuses on NIST's combinatorial testing work. Combinatorial testing is a proven method for more effective software testing at lower cost. The key insight underlying combinatorial testing's effectiveness resulted from a series of studies by
Displaying 28801 - 28825 of 143827
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