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Displaying 526 - 550 of 1600

HIGHLY CHARGED ION INTERACTIONS WITH THIN INSULATING FILMS

June 1, 2011
Author(s)
Joshua M. Pomeroy, Russell E. Lake, C E. Sosolik
The electrical conductance of magnetic tunnel junction (MTJ) devices whose ultra-thin aluminum oxide tunnel barrier was irradiated by highly charged ions (HCIs) increases linearly with the fluence of HCIs, while retaining a current-voltage relationship

Real-time polarization microscopy for probing local distributions of biomolecules

February 28, 2011
Author(s)
Jeeseong Hwang, Ji Y. Lee, John F. Lesoine, Hyeong G. Kang, Matthew L. Clarke, Robert C. Chang
We present real-time, full-field, fluorescence polarization microscopy and its calibration and validation methods to monitor the absorption dipole orientation of fluorescent molecules. A quarter-wave plate, in combination with a liquid crystal variable

Characterization of the Skin Orientation of Thermotropic Liquid-Crystalline Copolyester Moldings with Near-Edge X-ray Absorption Fine Structure

May 11, 2006
Author(s)
Robert A. Bubeck, L S. Thomas, S Rendon, W R. Burghardt, A Hexemer, Daniel A. Fischer
The process of injection molding net-shape parts from thermotropic liquid crystalline polymers (TLCPs) results in a skin-core macrostructure. The underlying orientation in the core and the skin may differ both in magnitude and direction. A combination of

Measuring Form and Radius of Spheres With Interferometry

January 1, 2004
Author(s)
Quandou (. Wang, Johannes A. Soons, Ulf Griesmann
… Fizeau interferometer providing a field of view of 44 degrees. To measure the radius, a variant of the well … uncertainty for the sphere radius of about 5 parts in 10^7. The measurement of the form error is complicated because …

Separation of Large Circular DNA by Electrophoresis in Agarose Gels

January 1, 2002
Author(s)
Kenneth D. Cole, C M. Tellez
The electrophoresis of circular DNA, ranging in size from 4.4 kilobase pairs (kbp) to 220 kbp, was studied in agarose gels. Bacterial artificial chromosome (BAC) DNA was used as a source of large supercoiled and open circular (relaxed) forms. the open

Fire Performance of Partition Assemblies

July 7, 2004
Author(s)
Samuel L. Manzello, Richard G. Gann, S R. Kukuck, Kuldeep R. Prasad, Walter W. Jones
… to guide the model development. Various wall assemblies 2.44 m x 2.44 m were exposed to intense fires from the time of ignition …
Displaying 526 - 550 of 1600
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