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Displaying 1226 - 1250 of 2964

High-Resolution Infrared Spectrum of the Ring-Puckering Band, N 10 of Diborane

June 1, 2000
Author(s)
Walter J. Lafferty, J.- M. Flaud, R L. Sams, Thomas A. Blake, S W. Sharpe
The spectrum of the Ņ 10 band of diborane, arising from the ring puckering vibration, has been obtained with a spectral resolution of 0.0015 cm -1 in the region 275 to 400 cm -1. The spectrum of a sample enriched in 10B was recorded as well as one with

Engineering Intelligent Systems

September 1, 1998
Author(s)
James S. Albus
What is intelligence? Where did it come from? What is its fundamental nature? What are its elemental constituents? Can it be created artificially? If so how? The answers to these questions are beginning to emerge. As the second millennium draws to a close

Electrical Measurements for Electronic Interconnections at NIST

August 1, 1999
Author(s)
Dylan Williams, Donald C. DeGroot
The National Institute of Standards and Technology (NIST) operates a number of research projects to advance measurement science and technology for the microelectronic industry. Here we will summarize (1), report on one component of the NIST program, the

Effects of Nonlinear Diode Junction Capacitance on the Nose-to-Nose Calibration

May 1, 2001
Author(s)
Kate Remley, Dylan Williams, Donald C. DeGroot, Jan Verspecht, John Kerley
We examine the effects of nonlinear diode junction capacitance on the fundamental premise of the noise-to-nose calibration, that the kickout is identical in shape to the impulse response of the sampler. We offer a physical explanation for the error

Stress and Strain Heuristics for a Layered Elastomeric Foam at Medium Impact Rates

September 14, 2020
Author(s)
Alexander Landauer, Jared C. Van Blitterswyk, Michael Riley, Aaron Forster
Impact mitigating materials (IMMs) are used to reduce injury or damage due to a blunt impact, which often occurs at high rates or energies. Innovation in IMMs and designs strategies are required for the development of safer protective equipment. A key

Time-of-flight mass spectrometry with latching Nb meander detectors

June 1, 2009
Author(s)
Brian Estey, James A. Beall, Gene C. Hilton, Kent D. Irwin, Daniel R. Schmidt, Joel N. Ullom, Robert E. Schwall
Mass Spectrometry is widely used for protein characterization, structural virology, drug discovery, and clinical chemistry. However the detection efficiency of existing detectors for mass spectrometry degrades rapidly as mass is increased and is only ~10-5

Combinatorial Polymer Scaffold Libraries

November 1, 2007
Author(s)
Carl G. Simon Jr., J S. Stephens, Matthew Becker
We have developed a method for fabricating combinatorial libraries of porous, three-dimensional, salt-leached, polymer scaffolds that can be used for screening the effect of scaffold properties on cell response. Syringe pumps, tubing and a static mixer are

Flammability of Nanocomposites-Effects of the Shape of Nanoparticles

January 1, 2005
Author(s)
Takashi Kashiwagi
Nanocomposites based on three different shapes of nanoscale particles, sphere (silica), plate (clay), and tube (carbon nanotube), were prepared and the dispersion of the particles in the nanocomposites was confirmed by various techniques using TEM, SEM

Wavelength and Temperature Performance of Polarization Transforming Fiber

December 1, 2003
Author(s)
Allen Rose, N. Feat, Shelley M. Etzel
We have theoretically and experimentally investigated an optical fiber with circular eigenmodes on one end and linear polarization modes on the other end. We call this fiber a polarization-transforming fiber because the local modes, or polarization states

Accurate Pattern Registration for Integrated Circuit Tomography

July 1, 2001
Author(s)
Zachary H. Levine, S Grantham, S Neogi, S P. Frigo, I McNulty, C C. Retsch, Y Wang, Thomas B. Lucatorto
As part of an effort to develop high resolution microtomography for engineered structures, a two-level copper integrated circuit interconnect was imaged using 1.83 keV x-rays at 14 angles employing a full-field Fresnel zone plate microscope. A major

Quantum entanglement between an atom and a molecule

May 20, 2020
Author(s)
Yiheng Lin, David Leibrandt, Dietrich Leibfried, Chin-wen Chou
Expanding quantum control to a broad range of physical systems paves the way for advances in various aspects of science and technology, such as stringent tests of fundamental physics, quantum-enhanced sensors, and quantum information processing
Displaying 1226 - 1250 of 2964
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