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Displaying 47401 - 47425 of 74459

Structured Polymeric Templates: Combinatorial Probes for Cellular Response

January 1, 2001
Author(s)
A Sehgal, Jack F. Douglas, Francis W. Wang, Carl G. Simon Jr., Alamgir Karim, Eric J. Amis
Novel high-throughput gradient methods have been developed to generate a range of surface structures by dewetting and phase separation on chemically patterned substrates. The research is motivated by an increasing awareness in the biomedical industry and

Summary Proceedings: Legal Metrology Seminar for the Americas

January 1, 2001
Author(s)
S E. Chappell, Charles D. Ehrlich, Kenneth S. Butcher
This paper provides a report on the Legal Metrology Seminar for the Americas that was held in conjunction with the 85th annual meeting of the National Conference on Weights and Measures (NCWM) in Richmond, VA, from July 16 through July 20, 2000. The

Synchronization and Phase Lock of Two Mode-Locked Femtosecond Lasers

January 1, 2001
Author(s)
R K. Shelton, L -. Ma, H C. Kapteyn, M M. Murnane, J L. Hall, Jun Ye
Two independent mode-locked femtosecond lasers are synchronized to an unprecedented precision. The rms timing jitter between the lasers is 4.3 fs observed within a 160 Hz bandwidth a 160 Hz bandwidth over tens of seconds, or 26 fs within a 50 kHz bandwidth

Technologies for Condition-Based Maintenance of Machine Tools

January 1, 2001
Author(s)
M A. Donmez, Kari K. Harper, Kang B. Lee
NIST has embarked upon a research effort to advance the capabilities and promote the continued growth of condition-based maintenance (CBM) technologies for the discrete-parts manufacturing industry. This research is focused on providing an alternative to

Temperature Monitoring of Capillary Rheometry Using a Fluorescence Technique

January 1, 2001
Author(s)
Anthony J. Bur, S C. Roth, H Lobo
A non-contact temperature monitoring technique based on fluorescence spectroscopy was used to measure the temperature of a polymer resin during capillary rheometry testing. Polyethylene doped with a fluorescent dye, perylene, was used in experiments that
Displaying 47401 - 47425 of 74459
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