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Displaying 4701 - 4725 of 13217

The effect of strain on grains and grain boundaries in YBa2Cu3O7-d coated conductors

December 9, 2009
Author(s)
Daniel C. van der Laan, John (Jack) W. Ekin, Timothy J. Haugan, Paul N. Barnes, Dmytro Abraimov, Fumitake Kametani, David C. Larbalestier, Marty Rupich
… The role of grains and grain boundaries in producing reversible strain effects on the transport … of full-width coated conductors with that of samples in which current transport was limited to a few or single … effective tensile strain at the grain boundaries than in the grains. The really striking result is that the GB …

NMR-Based Microbial Metabolomics and the Temperature-Dependent Coral Pathogen Vibrio coralliilyticus

September 18, 2009
Author(s)
Daniel W. Bearden, Arezue Boroujerdi, Tracey B. Schock, Alexander Meyers, Elizabeth C. Pollock, Sara Lien Huynh, Maria Vizcaino, Pamela J. Morris
… has been linked to coral disease globally (for example in the Mediterranean, Caribbean, Red Sea and Indian Ocean), … The temperature-dependence of V. coralliilyticus in regard to its metabolome was investigated. Nuclear … (PCA), and significant temperature- based separations in PC1, PC2, and PC3 dimensions were observed. Betaine, …

Applications of artificial neural networks in optical performance monitoring

August 15, 2009
Author(s)
Jeffrey A. Jargon, Xiaoxia Wu, Ronald Skoog, Loukas Paraschis, Alan Willner
… (PMD) from eye-diagram parameters is shown via simulation in both 40 Gb/s on-off keying (OOK) and differential … CD, and PMD from eye-diagram and eye-histogram parameters in a 3-channel 40 Gb/s DPSK wavelength- division multiplexing … the ANNs are also shown for simultaneous identification of in-phase/quadrature (I/Q) data misalignment and data/carver …

A robust algorithm for eye-diagram analysis

November 1, 2008
Author(s)
Jeffrey A. Jargon, Paul D. Hale, Chih-Ming Wang
… robust, least-median-of-squares (LMS) location estimator. In contrast to commonly used histogram techniques, the LMS … root-mean-square jitter, and perform eye-mask alignment. In addition to describing our algorithm in detail, we compare results computed with this method to …

Accuracy Issues in Chemical and Dimensional Metrology in the SEM and TEM

October 16, 2008
Author(s)
J H. Scott
… In this work computer simulations are used to understand systematic errors and accuracy concerns in both dimensional and chemical metrology in the scanning electron microscope (SEM) and transmission … Measurement Science & Technology … Accuracy Issues in Chemical and Dimensional Metrology in the SEM and TEM …

Applications of Micro-Ring Resonator Filter Devices

October 16, 2008
Author(s)
S T. Chu, B E. Little, Y Kokubun, W Pan
Recently reported micro-ring resonator filters have demonstrated their compactness and signal processing functions. These features are attractive for large-scale integrated photonic circuits. This paper reviews the development and discusses the potential

Hydrolysis of Carbonyl Sulfide: A Potential Source of Downstream Sour Gas

October 16, 2008
Author(s)
Thomas J. Bruno, W C. Andersen, K I. Henning
… rbonyl sulfide (COS), which occurs as an impurity in commercial sources fo propane can hydrolyze in the presence of water to form hydrogen sulfide (H2S) and … the hydrolysis product H2S is corrosive, especially in the presence of water. In this paper, we summarize the …

In-Situ Visualization of Polymer Blends Processing: Influence of Viscosity Ratio and Surfaces

October 16, 2008
Author(s)
Kalman Migler, Erik K. Hobbie, F Qiao
… viscosity ratio, surfaces and shear on droplet morphology in immiscible polymer blends during extrusion. These in-line experiments are performed in an optical slit die situated at the exit of a twin screw … Rubber Chemistry and Technology … In-Situ Visualization of Polymer Blends Processing: Influence …

Towards A Simpler Bayesian Guide to the Expression of Uncertainty in Measurement

October 16, 2008
Author(s)
Raghu N. Kacker
… The impact of the Guide to Expression of Uncertainty in Measurement is spreading from the national measurement … should make the Guide more appealing to those interested in philosophical coherence. The Guide is not limited by the … Measurement Science & Technology …

Composition-Explicit Distillation Curves of Diesel Fuel with Glycol Ether and Glycol Ester Oxygenates: Fuel Analysis Metrology to Enable Decreased Particulate Emissions

September 17, 2008
Author(s)
Beverly L. Smith, Lisa S. Ott, Thomas J. Bruno
… We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. … measurement of rocket propellant, gasoline and jet fuels. In this paper we present the application of the technique to … Environmental Science & Technology …

Dependence of the Critical Current of YBa 2 Cu 3 O7 -d Coated Conductors on In-Plane Bending

September 3, 2008
Author(s)
Daniel C. van der Laan, John (Jack) W. Ekin
… A new method to measure the effect of in-plane bending on the critical current of YBa 2 Cu 3 O 7-d … is presented. Such bending mode can be important in transmission cables, saddleback magnets, and … distribution over the width of the conductor develops in this bending mode, where one half of the conductor is …

Method to Determine Collection Efficiency of Particles by Swipe Sampling

September 1, 2008
Author(s)
Jennifer R. Verkouteren, Jessica L. Staymates, Robert A. Fletcher, Wayne Smith, George A. Klouda, John G. Gillen
… than the smaller ( 9 m diameter) particles. Particles in a matrix similar to latent fingerprints are collected more … are detached but not collected, implies that improvements in collection efficiency are dependent on improvements in adhesion of the particles to the collection surface, …

Albedo Measurements and Optical Sizing of Single Aerosol Particles

July 31, 2008
Author(s)
Todd J. Sanford, Daniel Murphy, David S. Thomson, Richard W. Fox
… Aerosols play an important role in global climate change by their interactions with incoming … one micrometer. Using this prototype instrument, changes in albedo for single particles of 20% or greater were … Aerosol Science and Technology …

Composition-Explicit Distillation Curves of Mixtures of Diesel Fuel with Biomass-Derived Glycol Ester Oxygenates: A Tool for Decreased Particulate Emissions

June 28, 2008
Author(s)
Thomas J. Bruno, Lisa S. Ott, Beverly L. Smith
… We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. … gasolines, jet fuels, diesel fuels and crude oils. In this paper we present the application of the technique to … Environmental Science & Technology …

Hydrometer Calibration by Hydrostatic Weighing With Automated Liquid Surface Positioning

January 1, 2008
Author(s)
Jesus J. Aguilera, John D. Wright, Vern E. Bean
… We selected tridecane as the liquid of known density in the apparatus for its relatively low surface tension and … results have an expanded uncertainty of 100 parts in 106 or less. However, a sample uncertainty analysis shows … can lead to expanded uncertainties of about 390 parts in 106. We validated our apparatus by comparisons using four …

Integrating Sensors and Actuators into RFID Tags

January 1, 2008
Author(s)
Kang B. Lee, J T. Cain
… The objective in this chapter is to present the current situation in RFID systems and networked transducers and to indicate the … RFID Technology and Applications …
Displaying 4701 - 4725 of 13217
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