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Displaying 1301 - 1325 of 3757

IMS-Based Trace Explosives Detectors for First Responder Use

September 1, 2005
Author(s)
Jennifer R. Verkouteren, John G. Gillen, R M. Verkouteren, Robert A. Fletcher, E S. Etz, George A. Klouda, Alim A. Fatah, Philip J. Mattson
… performance requirements and an associated test method for Ion Mobility Spectrometry (IMS) based trace explosives … explosives, first responder, IMS, ion mobility spectrometry, PETN, RDX, trace explosives …

Cationic Surfactants for the Control of Overfill Bumps in Cu Superfilling

October 10, 2006
Author(s)
Soo K. Kim, Daniel Josell, Thomas P. Moffat
… chloride (CTAC), cetyltrimethylammonium hydrogen sulfate (CTAHS), and sodium dodecyl sulfate (SDS) … reveal the significance of the head group charge, counter ion, and chain length for the adsorption and interactions of … with the PEG-CI-SPS system. This behavior is attributed to ion-pair complex formation between the cationic ammonium head …

Creation of a six-atom Schrodinger cat state

December 1, 2005
Author(s)
Dietrich G. Leibfried, Emanuel H. Knill, Signe Seidelin, Joseph W. Britton, Brad R. Blakestad, J Chiaverini, David Hume, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Rainer Reichle, David J. Wineland
… is defined by two hyperfine ground states of a beryllium ion, with the cat state corresponding to an entangled equal …

Investigating Structural Alterations in Pyrogallol[4]arene-Pyrene Nanotubular Frameworks

August 13, 2012
Author(s)
Harshita Kumari, Steven Kline, Jerry L. Atwood
… are performed to investigate the stability and geometry of hydrogen-bonded pyrene-filled c-hexylprogallol[4]arene (PgC 6 -pyrene) nanotubular frameworks. In the solid state, hydrogen-bonded pyrogallol[4]arene tubes are formed. However, … guest. This indicates for the first time rearrangement of hydrogen-bonded tubular framework to hydrogen-bonded dimeric …

Certification of Standard Reference Material(R) 956e Electrolytes in Frozen Human Serum

April 2, 2025
Author(s)
Lee Yu, Steven Christopher, Regina Easley, Monique Johnson, Dennis Leber, Thomas Vetter, Jason Waters, Charles Barber, Karen Murphy, Laura Wood, Stephen Chin, Murli Narayan, Alexander Rhodes, Michael Nash
… This SRM can be used for calibrating direct-reading ion-selective electrode (ISE) analyzers, and for validating … Standard C29-A2, Standardization of Sodium and Potassium Ion-Selective Electrode Systems to the Flame Photometric … (Mg), Phosphorus (P), Potassium (K), Sodium (Na), Ion selective electrode. …

Method for combined biometric and chemical analysis of human fingerprints

June 2, 2014
Author(s)
Jessica L. Staymates, Shahram Orandi, Matthew E. Staymates, John G. Gillen
… within a single sample. The method described here uses ion mobility spectrometry (IMS) as a chemical detection … biometrics, fingerprints, explosives, narcotics, ion mobility spectrometry …

Multiferroic Quantum Material Ba2Cu1-xMnxGe2O7(O?x?1) as a Potential Candidate for Frustrated Heisenberg Antiferromagnet

July 30, 2024
Author(s)
Henrik Thoma, Rajesh Dutta, Vladimir Hutanu, Veronica Granata, Rosalba Fittipaldi, Qiang Zhang, Jeffrey Lynn, Petr Cermak, Nazir Khan, Shibabrata Nandi, Manuel Angst
… interaction (DMI) and the absence of single ion anisotropy (SIA). This phase, however, could not be … Multiferroic, Ba2Cu1-xMnxGe2O7, single ion anisotropy, Dzyaloshinskii-Moriya interaction, Quantum …

An Overview of Polymer Electrolyte Membranes for Fuel Cell Applications

May 7, 2012
Author(s)
Brandon W. Rowe, Kirt A. Page
… attention over the last 10-20 years, the history of hydrogen fuel cells dates back to 1838. It would take more … of the fuel cell and the use of polymer electrolytes as an ion-transport medium. In addition to an overview of the …

The Existence of Precursor Soot in the Exhaust of Inverse Diffusion Flames

October 1, 2002
Author(s)
L G. Blevins, Robert A. Fletcher, Bruce A. Benner Jr, Eric B. Steel, George W. Mulholland
… Soot samples were analyzed for morphology, carbon-to-hydrogen ratio, organic fraction, and polycyclic aromatic … carbon-to-hydrogen ratio, gas chromatography/mass spectroscopy, inverse …

Arsenic and Antimony Implantations in SiC

October 12, 2021
Author(s)
J R. Tucker, M Rao, O W. Holland, P Chi, N A. Papanicolaou, J A. Freitas
… at room temperature (RT) and 800 degrees C. Secondary ion mass spectrometry measurements showed severe … implantation, Rutherford back scattering, secondary ion mass spectrometry, silicon carbide …

On Walking in the Footprints of Giants

March 1, 2010
Author(s)
Marilyn E. Jacox
This chapter tells of a lifelong fascination with light, a messenger bearing information from realms ranging from the galactic to the submicroscopic. Personal interactions have shaped and informed this life journey. Accounts of some of the most important
Displaying 1301 - 1325 of 3757
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