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Displaying 49601 - 49625 of 143784

Toxicokinetics, tissue-specific distribution and whole body burden of persistent organic pollutants in the bottlenose dolphin (Tursiops truncatus)

June 1, 2010
Author(s)
Jennifer Yordy, John R. Kucklick, D A. Pabst, William McLellan, Randall S. Wells, Teresa Rowles
The majority of exposure assessments for free-ranging cetaceans focus on contaminant concentrations measured in blubber, and there are few data for other tissues or the factors governing contaminant distribution between tissues. The goal of this study was

Wavelength bistability and switching in two-section quantum-dot diode lasers

June 1, 2010
Author(s)
Mingming M. Feng, Kevin L. Silverman, Richard P. Mirin, Steven T. Cundiff
We report lasing wavelength bistability with respect to applied bias on the saturable absorbers in two-section mode-locked quantum dot lasers. We show data from three different devices exhibiting wavelength bistability. All lasers display wavelength

Why are we concerned with large covariance matrices?

June 1, 2010
Author(s)
Paul D. Hale, Andrew M. Dienstfrey, Chih-Ming Wang
In order to promote discussion, we outline the two different paradigms for propagating uncertainties from the various waveform measurement impairments to the waveform parameters. The first method propagates uncertainty from the impairments directly to a

Sustainable Manufacturing: Metrics, Standards, and Infrastructure - Workshop Summary

May 31, 2010
Author(s)
Sudarsan Rachuri, Ram D. Sriram, Anantha Narayanan Narayanan, Prabir Sarkar, Jae H. Lee, Kevin W. Lyons, Sharon J. Kemmerer
This report summarizes the presentations, discussions, and recommendations of the NIST Workshop Sustainable Manufacturing: Metrics, Standards, and Infrastructure held at NIST, Gaithersburg, Maryland, USA, October 13th through October 15th, 2009. The

Manipulating Quantum Dots to Nanometer Precision by Control of Flow

May 28, 2010
Author(s)
Chad Ropp, Roland Probst, Zachary Cummins, Rakesh Kumar, Andrew J. Berglund, Srinivasa R. Raghavan, Edo Waks, Benjamin Shapiro
Controlled manipulation of quantum dots with nanometer precision is an essential capability for basic science as well as for scalable engineering of nanophotonic and nanoelectronic devices. The most common methods for manipulation of particles use optical

Observations of Nanobubble Formation on Carbon Nanotubes

May 28, 2010
Author(s)
Andrew J. Slifka, Damian S. Lauria, Gurpreet Singh, Roop L. Mahajan
We used an optical trap and a high-speed camera to image bubble initiation on the surface of multi-walled carbon nanotubes. The laser wavelength was 1064 nm and the average power was 100 mW. This is the first demonstration of bubble formation on individual
Displaying 49601 - 49625 of 143784
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