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Displaying 44526 - 44550 of 74171

Near-Field Optical Imaging of Microphase Separated and Semi-Crystalline Polymer Systems

January 1, 2002
Author(s)
Michael J. Fasolka, Lori S. Goldner, A Urbas, Jeeseong C. Hwang, Kathryn Beers, P DeRege, Evan L. Thomas
Polymer self-assembly presents an attractive means of creating the micro- and nano-patterned spatial arrays required for many opto-electronic and coatings technologies. Two of these ordering processes are microphase separation (MS), exhibited by block

Neutron Irradiation of Sapphire for Compressive Strengthening; II. Physical Properties

January 1, 2002
Author(s)
T M. Regan, D C. Harris, D W. Blodgett, K C. Baldwin, J A. Miragliotta, M E. Thomas, M J. Linevsky, J W. Giles, T A. Kennedy, M Fatemi, David R. Black, P D. Lagerl f
Irradiation of sapphire with fast neutrons (0.8-10 MeV) at a fluence of 1022/m2 increases thec-axis compressive strength and the c-plane biaxial flexure strength at 600 C by a factor of 2.5. Both effects are attributed to inhibition of r-plane twin

New Developments in Excimer Laser Metrology at 157 nm

January 1, 2002
Author(s)
Marla L. Dowell, Richard D. Jones, Holger Laabs, Christopher L. Cromer, R. Morton
We have constructed a prototype calorimeter that will serve as a primary standard for measurements of 157 nm excimer laser power and energy. The construction and performance of the prototype will be discussed. In addition, we have performed a series of

NIST Electrostatic Force Balance Experiment

January 1, 2002
Author(s)
John A. Kramar, David B. Newell, Jon R. Pratt
We have designed and built a prototype electrostatic force balance for realizing forces in the micronewton range. The active electrodes are concentric cylinders, the outer serving as the reference and the inner suspended and guided by a rectilinear flexure

NIST Physical Standards for DNA-Based Medical Testing

January 1, 2002
Author(s)
Peter E. Barker, M S. Watson, J R. Ticehurst, Jennifer C. Colbert, C D. O'Connell
As DNA and RNA become major targets for clinical laboratory analysis, benchmark reagents will play an increasingly important role in standardization. Reliable national and international nucleic acid standards promote automation, third party reimbursement
Displaying 44526 - 44550 of 74171
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