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Displaying 376 - 400 of 1600

Spectroscopic Measurements and Models of Energy Deposition in the Substrate of Quantum Circuits by Natural Ionizing Radiation

November 12, 2024
Author(s)
Joseph Fowler, Paul Szypryt, Raymond Bunker, Ellen Edwards, Ian Fogarty Florang, JIANSONG GAO, Shannon Hoogerheide, Ben Loer, Hans Mumm, Nathan Nakamura, John Orrell, Elizabeth M. Scott, Jason Stevens, Daniel Swetz, Brent VanDevender, Michael Vissers, Joel Ullom
… spectra in silicon substrates of two thicknesses, 500 and 1500 µm, and one area, 25 mm 2 . The observed spectra … by a factor of 40 000 between 100 keV and 3 MeV for the 500-µm substrate. We integrate the spectra to obtain the … when counting events that deposit at least 40 keV for the 500-µm-thick substrate. We find that the cryogenic …

Configurable Robotic Millimeter-Wave Antenna Facility

April 13, 2015
Author(s)
Jeffrey R. Guerrieri, Joshua A. Gordon, David R. Novotny, Michael H. Francis, Ronald C. Wittmann, Miranda L. Butler
… geometries and perform antenna measurements from 100 to 500 GHz. An industrial robotic arm, hexapod and precision …

Monitoring Organic contaminants in Eggs of Alaskan Glaucous & Glaucous-winged Gulls (Larus hyperboreous & L. glaucescens)

April 7, 2009
Author(s)
Stacy S. Schuur, Paul R. Becker, Michael B. Ellisor, Amanda J. Moors, Rebecca S. Pugh, David G. Roseneau
Gull eggs have been used to monitor contaminants in many parts of the world. The Seabird Tissue Archival & Monitoring Project (STAMP) is a long-term program designed to track trends in pollutants in northern marine environments using seabird eggs. Glaucous

Wavelength--Shift Fluorescent Probes for Monitoring of Polymerization

October 16, 2008
Author(s)
Francis W. Wang, R E. Lowry
The feasibility of using wavelength-shift fluorescent probes for cure monitoring of an epoxy resin and an acrylic resin was evaluated. 4-(N,N-dihexylaminostyryl)-4 -pyridinium propylsulfonate (DHASP-PS), as well as each of other wavelength-shift

Thermal Decomposition Kinetics of the Aviation Turbine Fuel Jet-A

July 2, 2008
Author(s)
Jason A. Widegren, Thomas J. Bruno
As part of a larger-scale thermophysical and transport property measurement project, the global decomposition kinetics of the aviation turbine fuel Jet-A was investigated. Decomposition reactions were performed at 375, 400, 425, and 450 °C in stainless

Highly Charged Ion Bombardment of Silicon Surfaces

August 1, 2003
Author(s)
J E. Sanabia, S N. Goldie, L P. Ratliff, Lori S. Goldner, John D. Gillaspy
… the assessment of the photoluminescence efficiency of Xe 44+ -Si (100). No photoluminescence was detected in either …

Determination of Polybrominated Diphenyl Ethers in Indoor Dust Standard Reference Materials

February 1, 2006
Author(s)
H M. Stapleton, T. Harner, M. Shoeib, Jennifer M. Lynch, Michele M. Schantz, Stefan D. Leigh, Stephen A. Wise
Polybrominated diphenyl ethers (PBDEs) have been measured for the first time in three different indoor dust Standard Reference Materials (SRMs) prepared by the National Institute of Standards and Technology (NIST). Two of these SRMs (2583 and 2584) have

Sensing Trace Amounts of Nitro-Aromatic Explosives using Nanowire-Nanocluster Hybrids

August 1, 2012
Author(s)
Geetha G. Aluri, Abhishek Motayed, Albert Davydov, Vladimir P. Oleshko, Kristine A. Bertness, Norman A. Sanford
… to detect trinitrotoluene (TNT) concentrations as low as 500 pmol/mol (ppt) in air and dinitrobenzene (DNB) … of the devices for TNT was from 8 ppm down to as low as 500 ppt. The detection limit of Dinitrotoluene, nitrobenzene, …
Displaying 376 - 400 of 1600
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