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Displaying 16526 - 16550 of 17291

Site Specific X-Ray Photoelectron Spectroscopy Using X-Ray Standing Waves

May 26, 2005
Author(s)
Joseph C. Woicik
The x-ray standing wave technique is an experimental method that can accurately determine the precise crystallographic positions of atoms within a crystalline unit cell. As we have seen in preceding chapters of this book, this unique ability arises from

Laser Cooling of Erbium Atoms

May 21, 2005
Author(s)
Jabez J. McClelland, H Y. Ban, Marcus Jacka, James L. Hanssen, Joseph Reader
… interactions. Applications include atomic frequency standards, quantum information processing, and deterministic …

Size-Strain Line-Broadening Analysis of the Ceria Round-Robin Sample

December 1, 2004
Author(s)
Davor Balzar, N Audebrand, M R. Daymond, A Fitch, A Hewat, J I. Langford, A Le Bail, D Louer, P Masson, Christopher N. McCowan, N Popa, P W. Stephens, B H. Toby
We report the results of a line-broadening study on a ceria sample prepared for a size-strain round robin. The sample was prepared from a recursor hydrated ceria by heating in a silica crucible at 650 C for 45 hours. Another ceria sample wasprepared to

Continuous-Wave Terahertz Spectroscopy of Plasmas and Biomolecules

March 1, 2004
Author(s)
David F. Plusquellic, T M. Korter, Gerald T. Fraser, R J. Lavrich, Eric C. Benck, C R. Bucher, Angela R. Hight Walker, J L. Domenech
Continuous-wave linear-absorption spectroscopy based on THz radiation generated by solid-state photomixers has been applied to the investigation of the dynamics of biomolecules in polyethylene matrices and to line shape studies of HF for diagnostics of

Surface-Plasmon-Resonance-Enhanced Cavity Ring-Down Detection

January 1, 2004
Author(s)
A C. Pipino, John T. Woodward IV, Curtis W. Meuse, Vitalii I. Silin
The cavity ring-down technique is used to probe the absolute optical response of the localized surface plasmon resonance (SPR) of a gold nanoparticle distribution to adsorption of trichloroethylene (TCE) and perchloroethylene (PCE) from the gas phase

Suppression of Cup-Burner Flames

September 17, 2003
Author(s)
F Takahashi, Gregory T. Linteris, V Katta
The unsteady suppression process of a laminar methane-air co-flow diffusion flame formed on a cup burner has been studied experimentally and numerically in normal earth gravity. The computation uses a time-dependent direct numerical simulation with

Network Transfer of Control Data: An Application of the NIST Smart Data Flow

July 1, 2003
Author(s)
Martial Michel, Vincent M. Stanford, O P. Galibert
Pervasive Computing environments range from basic mobile point of sale terminal systems, to rich Smart Spaces with many devices and sensors such as lapel microphones, audio and video sensor arrays and multiple interactive PDA acting as electronic brief

Simulation of Heat Exchangers of a Window Air Conditioner Retrofitted with R-407C

May 1, 2003
Author(s)
S Devotta, A S. Padalkar, N K. Sane, Piotr A. Domanski, N N. Sawant
This paper presents the results of simulation of heat exchangers of an HCFC-22 window air conditioner retrofitted with R-407C. The test conditions considered are as per the Indian Standard IS 1391 (1992) for unitary air conditioners. The simulation has

Quantitative Analysis and Characterization of DNA Immobilized on Gold

April 30, 2003
Author(s)
D Y. Petrovykh, H Y. Kimura-Suda, L J. Whitman, Michael J. Tarlov
We describe the complementary use of x-ray photoelectron spectroscopy (XPS) and fourier transform infrared (FTIR) spectroscopy to quantitatively characterize the immobilization of thiolated poly(dT)25 single-stranded DNA (ssDNA) on gold. When electron

Mitochondrial DNA Mutations in Patients With Myelodysplastic Syndromes

April 1, 2003
Author(s)
M G. Shin, S Kajigaya, Barbara C. Levin, N S. Young
We undertook to systematically analyze the mitochondrial genome by gene amplification and direct sequencing in 10 patients with myelodysplasia: results were compared with concomitantly studied 8 healthy volunteers as well as mtDNA sequences in a standard
Displaying 16526 - 16550 of 17291
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