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Displaying 28851 - 28875 of 74116

An Instrumented Bioreactor for Cartilage Tissue Engineering

April 29, 2009
Author(s)
Timothy P. Quinn, Colm Flannery, Damian S. Lauria, Douglas V. Gallagher, Kristi S. Anseth
Bioreactors for in vitro growth of engineered tissue (ET) would ideally include sensors that would continuously measure the functional quality of the construct during incubation. Principles of feedback control could then be used to optimize properties of

The System Development Life Cycle (SDLC)

April 29, 2009
Author(s)
Shirley M. Radack
This bulletin summarizes the information that was disseminated by the National Institute of Standards and Technology (NIST) in Special Publication (SP) 800-64, Revision 2, Security Considerations in the System Development Life Cycle. This publication was

Economic Analysis of Egress and Life Safety Costs

April 27, 2009
Author(s)
Robert E. Chapman, Allison L. Huang, David T. Butry
In 2007, the latest year for which construction data are available, the value of construction put in place was $1.1 trillion. Statistics on the total cost of fire in the U.S. are published by the National Fire Protection Association (NFPA). Of particular

Three-Magon Splitting and Confluence Processes for Magnetostatic Backward Volume-Spin-Wave Excitations in Yttrium Iron Garnet Films

April 27, 2009
Author(s)
Pavel Kabos, Cesar O. Ordonez-Romero, Boris A. Kalinikos, Pavol Krivosik, Wei Tong, Carl E. Patton
Brillouin light scattering (BLS) has been used to observe and confirm the existence of nonlinear three magnon splitting and confluence processes for propagating spin waves in the magnetostatic backward volume wave (MSBVW) configuration. Wave vector and

TRC Thermodynamic Tables, Hydrocarbon Supplement H-137

April 27, 2009
Author(s)
Michael D. Frenkel
1. Table 23-14-2-(33.23500)-d: Pages d-8948.0 and d-8948.1 New table for cyclohexyl phenyl sulfides containing density for the condensed phase at one bar, or at equilibrium vapor pressure above the boiling point. 2. Table 23-2-(3.53040)-db: Pages db-2358.0

Random Telegraph Noise in Highly Scaled nMOSFETs

April 26, 2009
Author(s)
Jason P. Campbell, Jin Qin, Kin P. Cheung, Liangchun (. Yu, John S. Suehle, A Oates, Kuang Sheng
Recently 1/f and random telegraph noise (RTN) studies have been used to infer information about bulk dielectric defects' spatial and energetic distributions. These analyses rely on a noise framework which involves charge exchange between the inversion

Expanding Environmental Information Management: Meeting Future Requirements

April 25, 2009
Author(s)
John V. Messina, Eric D. Simmon
The environmental impact of product manufacturing, use, and disposal has become a worldwide concern. Laws and regulations designed to protect human health and the environment are being established throughout the global community. In addition to regulatory

Equilibrium Polymerization Models of Reentrant Self-Assembly

April 24, 2009
Author(s)
Jacek Dudowicz, Jack F. Douglas, Karl Freed
As is well known, liquid-liquid phase separation can occur either upon heating or cooling, corresponding to lower and upper critical solution phase boundaries, respectively. Likewise, self-assembly transitions from a monomeric state to an organized

Evaluating the locality of intrinsic precession damping in transition metals

April 24, 2009
Author(s)
Keith Gilmore, Mark D. Stiles
The Landau-Lifshitz-Gilbert damping parameter is typically assumed to be a local quantity, independent of the magnetic configuration. To test the validity of this assumption we calculate the precession damping rate of small amplitude non-uniform mode

From Network Microeconomics to Network Infrastructure Emergence

April 24, 2009
Author(s)
Vladimir V. Marbukh
This paper suggests that evolutionary models of network infrastructure in market economy can be derived from the underlying selfish behavior of users and providers of network services in the same way as non-equilibrium thermodynamics is derived from the

Optimized Dynamical Decoupling in a Model Quantum Memory

April 23, 2009
Author(s)
Michael J. Biercuk, Hermann Uys, Aaron Vandevender, N. Shiga, Wayne M. Itano, David J. Wineland, John J. Bollinger
We demonstrate the efficacy of optimized dynamical decoupling pulse sequences in suppressing phase errors in a model quantum memory. Our experimental system consists of a crystalline array of trapped 9Be + ions in which we drive a qubit transition at $\sim

EtherNet/IP Interoperability Recommendations

April 22, 2009
Author(s)
James D. Gilsinn, Kevin Knake
The EtherNet/IP interoperability recommendations are a result of work generated by the ongoing series of EtherNet/IP Implementors Workshops. The recommendations were created to promote EtherNet/IP device interoperability through product functionality

Itinerant spin excitations near the hidden order transition in URu2Si2

April 22, 2009
Author(s)
J. A. Janik, H. D. Zhou, Y.-J. Jo, L. Balicas, G. J. MacDougall, G. M. Luke, J. D. Garrett, K. J. McClellan, E. D. Bauer, J. L. Sarrao, Yiming Qiu, John R. Copley, Z. Yamani, W. J. Buyers, C. R. Wiebe
By means of neutron scattering we show that the high-temperature precursor to the hidden order state of the heavy fermion superconductor URu 2Si 2 exhibits heavily damped incommensurate paramagnons whose strong energy dispersion is very similar to that of

Robust, conductive ordered mesoporous films based on carbon-silica composites

April 22, 2009
Author(s)
Lingyan Song, Dan Feng, Casey G. Campbell, Aaron M. Forster, Dongyuan Zhao, Bryan D. Vogt
Mesoporous carbon-based sensors have been demonstrated to have enhanced electrochemical response as a result of their large interfacial area. To date, mesoporous carbon powders held together by a polymeric binder have been typically utilized. However for
Displaying 28851 - 28875 of 74116
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