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Displaying 53526 - 53550 of 74459

MR Imaging of Hyperpolarized 3 He Gas in Human Paranasal Sinuses

January 1, 1998

Author(s)

R R. Rizi, I E. Dimitov, Alan Keith Thompson, G L. Jones, Thomas R. Gentile, M Ishii, R Reddy, M D. Schnall, J S. Leigh

Multiband Theory of Quantum-Dot Quantum Wells: Dark Excitons, Bright Excitons, and Charge Separation in Heteronanostructures

January 1, 1998

Author(s)

W Jaslolski, Garnett W. Bryant

Multiquantum vibrational deactivation of N 2 + (v) by collisions with N 2 and O 2 at thermal energies

January 1, 1998

Author(s)

S Kato, V M. Bierbaum, S R. Leone

Multistage active vibration isolation system

January 1, 1998

Author(s)

S J. Richman, J A. Giaime, D B. Newell, R T. Stebbins, P L. Bender, J E. Faller

Nanostructure Fabrication by Reactive-ion Etching of Laser-Focused Chromium on Silicon

January 1, 1998

Author(s)

Jabez J. McClelland, R Gupta, Robert Celotta, G Porkolab

We have fabricated chromium nanostructures on silicon by laser-focused atomic deposition, and have further processed these structures by reactive-ion etching in an SF 6 plasma. We show that the result can be an array of parallel wires as narrow as 68 nm

Narrow Bandwidth Grating-Assisted Acousto-Optic Tunable Filter

January 1, 1998

Author(s)

E G. Paek, Joon Y. Choe, Tae K. Oh

An experimental acousto-optic tunable filter that has a narrow spectral bandwidth [0.2 nm at 1550 nm] and a fast [10 [mu]sec] tuning capability with a continuous tuning range of 52 nm is described. By combining a conventional diffraction grating with an

Narrow bandwidth grating-assisted acousto-optic tunable filter:

January 1, 1998

Author(s)

Eung Gi Paek, Joon Y Choe, Tae K Oh

Narrow Linewidth Phase-Lockable High Power a-DFB Laser

January 1, 1998

Author(s)

G De andrade garcia, Leo W. Hollberg, S D. Demars, A Schoenfeld, V Wong, R J. Lang

Narrow-Bandwidth Grating-Assisted Acousto-Optic Tunable Filter

January 1, 1998

Author(s)

E G. Paek, Joon Y. Choe, Tae K. Oh

National Radioactivity Standards for Beta-Emitting Radionuclides Used in Intravascular Brachytherapy

January 1, 1998

Author(s)

Bert M. Coursey, R Coll{eacute}, Brian E. Zimmerman, Jeffrey T. Cessna, D B. Golas

National Semiconductor Metrology Program::project portfolio, FY 1998

January 1, 1998

Author(s)

Stephen Knight, Alice D Settle-Raskin

National Voluntary Laboratory Accreditation Program (NVLAP) 1998 Directory

January 1, 1998

Author(s)

Vanda R. White

The Directory is published annually and provides a listing of laboratories accredited by the National Institute of Standards and Technology, National Voluntary Laboratory Accreditation Program (NVLAP). Approximately 800 laboratories in 24 fields of

National Voluntary Laboratory Accreditation Program 1998 directory:

January 1, 1998

Author(s)

Vanda R White, Vanda R White

Neutron Interferometry Instrumentation at MURR

January 1, 1998

Author(s)

B E. Allman, David L. Jacobson, W-T Lee, K C. Littrell, S. A. Werner

Neutron Polarizers Based on Polarized 3 He

January 1, 1998

Author(s)

C D. Keith, T C. Black, X Fei, M Flamini, Thomas R. Gentile, G L. Jones, D R. Rich, W M. Snow, Alan Keith Thompson, Fred E. Wietfeldt

Neutron powder diffraction:

January 1, 1998

Author(s)

John R D Copley

Neutron time-of-flight spectroscopy:

January 1, 1998

Author(s)

John R D Copley

New Apparatus for Performing Perturbed-Angular-Correlation Spectroscopy on Epitaxially-Grown III-V Surfaces

January 1, 1998

Author(s)

J M. Adams, G L. Catchen, D Loubychev, Jing Fu, L Miller d

New Far-Infrared Laser Lines and Frequency Measurements from Acetaldehyde and Vinyl Fluoride,

January 1, 1998

Author(s)

E C. Vasconcellos, S C. Zerbetto, L -. Xu, L R. Zink, K M. Evenson

New photometric calibration programs at National Institute of Standards and Technology

January 1, 1998

Author(s)

Yoshihiro Ohno, M Navarro

New Photometric Calibration Programs at the National Institute of Standards & Technology

January 1, 1998

Author(s)

M Navarro

New Ultraviolet Radiometry Beamline at the Synchrotron Ultraviolet Radiation Facility at NIST

January 1, 1998

Author(s)

Ping-Shine Shaw, Keith R. Lykke, Thomas R. O'Brian, Uwe Arp, H H. White, Thomas B. Lucatorto, J L. Dehmer, Albert C. Parr, R Gupta

We have constructed a new (UV) radiometry facility at the Synchrotron Ultraviolet Radiation Facility [SURF II] at the National Institute of Standards and Technology (NIST). The facility combines a high-throughput normal-incidence monochromator with an

New UV radiometry beamline at the Synchrotron Ultraviolet Radiation Facility at NIST

January 1, 1998

Author(s)

Ping-Shine Shaw, Keith R. Lykke, R Gupta, Thomas R. O'Brian, Uwe Arp, H H. White, Thomas B. Lucatorto, J L. Dehmer, Albert C. Parr

New UV radiometry beamline at the Synchrotron Ultraviolet Radiation Facility at NIST,

January 1, 1998

Author(s)

Ping-Shine Shaw, Keith R. Lykke, Thomas R. O'Brian, Uwe Arp, R Gupta, H H. White, Thomas B. Lucatorto, J L. Dehmer, Albert C. Parr

Next-generation fire suppression technology program (NGP):

January 1, 1998

Author(s)

Richard G Gann

Advanced communications
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