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Displaying 27351 - 27375 of 73697

Feature-based Process Planning Based on STEP

December 31, 2009
Author(s)
Thomas R. Kramer, Frederick M. Proctor
This chapter begins by describing characteristics a process planning language should have. Then it discusses the extent to which four process planning languages have these characteristics. The first two of these are STEP standard process planning languages

Performance Evaluation and Metrics for Perception in Intelligent Manufacturing

December 31, 2009
Author(s)
Roger D. Eastman, Tsai H. Hong, Jane Shi, Tobias Hanning, Bala Muralikrishnan, S. S. Young, Tommy Chang
Real-time three-dimensional vision has been rapidly advancing over the past twenty years, leading to a number of successful laboratory demonstrations, including real-time visual servoing, autonomous vehicle navigation , and real-time people and vehicle

Radiochromic Film

December 31, 2009
Author(s)
Christopher G. Soares, Sameul Trichter, Slobodan Devic
Media that turns color upon being irradiated (coloration detectors) were some of the earliest available detectors for ionizing radiation. Besides conventional silver halide photographic media, which aided in the discovery of x-rays by Rontgen, barium

The 2009 Material Research Society (MRS) Spring Meeting Report

December 31, 2009
Author(s)
Winnie K. Wong-Ng
The 2009 Materials Research Society (MRS) Spring Meeting took place in San Francisco Moscone Center from April 13 through 17. This large-scale meeting included forty-one technical symposia, nine symposium tutorials, three poster sessions, a popular

Effects of High Flux Neutron Beams on He-3 cells Polarized In-situ with Spin-exchange Optical Pumping

December 30, 2009
Author(s)
E Babcock, Stephen Boag, Maria Becker, W.C. Chen, T E. Chupp, Thomas R. Gentile, G L. Jones, A K. Petukhov, Torsten Soldner, T G. Walker
Polarized 3He produced by spin-exchange optical pumping (SEOP) has potential as a neutron spin filter for polarization and polarization analysis in many neutron scattering and neutron particle physics applications. The advantage of the SEOP method is its

Traceability: The Key to Nanomanufacturing

December 30, 2009
Author(s)
Ndubuisi George Orji, Ronald G. Dixson, Bryan Barnes, Richard M. Silver
Over the last few years key advances have been made in the area of nanomanufacturing and nanofabrication. Several researchers have produced nanostructures using either top-down or bottom-up techniques, while other groups have functionalized such structures

Temperature Fundamentals

December 29, 2009
Author(s)
Benjamin K. Tsai, Graham Machin
In this chapter the basic principles of temperature, its definition and measurement are given. Beginning with a brief outline of the fundamental principles, the reader is introduced to the concept of thermodynamic temperature and some of the primary means

Nanofiber Supported Phospholipid Bilayers

December 27, 2009
Author(s)
Feng Yi, Jian Xu, David A. LaVan
This work reports on the creation and characterization of nanofiber supported bilayers to mimic the hydrodynamic, chemical and mechanical environment provided by the actin network which supports natural lipid bilayers within a cell. Lipid bilayers were

Development Overview of an Information Model for Disassembly

December 23, 2009
Author(s)
Shaw C. Feng, Hanmin Lee, Che B. Joung, P. Ghodous
Manufacturing is a fundamental support of an industrialized society. Currently, manufacturing industry is facing major challenges, such as resources depletion, global climate change, environmental pollution, and social well being for the future generations

Model of magnetic impurities within the Josephson junction of a phase qubita

December 23, 2009
Author(s)
David P. Pappas, R. P. Erickson
We consider a superconducting phase qubit consisting of a monocrystalline sapphire Josephson junction with symmetry axis perpendicular to the junction interfaces. Via the London gauge we present a theoretical model of Fe3+ magnetic impurities within the

Molecular transistors scrutinized

December 23, 2009
Author(s)
James G. Kushmerick
Transistors have been made from single molecules, where the flow of electrons is controlled by modulating the energy of the molecular orbitals. Insight from such systems could aid the development of future electronic devices.

Optical high-power nonlinearity comparison between the National Institute of Standards and Technology and the National Metrology Institute of Japan at 1480 nm

December 23, 2009
Author(s)
Igor Vayshenker, Shao Yang, Kuniaki Amemiya, Seiji Mukai, T. Zama
We compare the results of measurements of the nonlinearity of high-power optical fiber powermeters (OFPMs) by two national metrology institutes (NMIs): the National Institute of Standards and Technology (NIST-USA) and the National Metrology Institute of

RECENT INVESTIGATIONS OF Sr-Ca-Co-O THERMOELECTRIC MATERIALS

December 21, 2009
Author(s)
Winnie K. Wong-Ng, Guangyao Liu, Makoto Otani, Evan L. Thomas, Nathan Lowhorn, Martin L. Green, James A. Kaduk
Three low-dimension cobaltites in the Sr-Ca-Co-O system have been studied for their structure and thermoelectric properties. Using x-ray pole figure construction technique, a Ca3Co4O9 thin film showed excellent fiber texture but no ab in-plane texture. The

Interaction of Gold Nanoparticles with Common Human Blood Proteins

December 18, 2009
Author(s)
Silvia H. De Paoli Lacerda, Jung J. Park, Curtis W. Meuse, Denis Pristinski, Matthew Becker, Jack F. Douglas
Gold nanoparticles (NPs) provide a promising platform for diagnostics and therapy, as well as other biomedical applications. The recent literature, however, contains conflicting data regarding the cytotoxicity of NPs. We have thus performed an array of
Displaying 27351 - 27375 of 73697
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