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Displaying 29126 - 29150 of 73830

SIM Comparison of DC Resistance Standards at 1 {O}, 1 M{O}, and 1 G{O}

January 1, 2009
Author(s)
Dean G. Jarrett, Randolph E. Elmquist, Nien F. Zhang, Alejandra Tonina, M Porfiri, Janice Fernandes, H Schechter, Daniel Izquierdo, C Faverio, Daniel Slomovitz, Dave Inglis, Kai Wendler, Felipe Hernandez-Marquez, B Rodriguez
A set of regional comparisons of dc resistance standards at the nominal values of 1 {Ω}, 1 M {Ω}, and 1 G {Ω} has recently been completed in the Sistema Interamericano de Metrogia (SIM) region. The motivation, design, standards, and results of these

Stairwell Evacuation from Buildings: What We Know We Don't Know

January 1, 2009
Author(s)
Richard D. Peacock, Jason D. Averill, Erica D. Kuligowski
Occupant descent down stairwells during building evacuations is typically described by measurable engineering variables such as stairwell geometry, speed, density, and pre-evacuation delay. In turn, predictive models of building evacuation use these

Stray Light Correction of the Marine Optical System

January 1, 2009
Author(s)
M Feinholz, S Flora, M Yarbrough, Keith R. Lykke, Steven W. Brown, B. Carol Johnson, Dennis Clark
The Marine Optical System is a spectrograph-based sensor used in the Marine Optical Buoy for the vicarious calibration of ocean color satellite sensors. It is also deployed from ships in instruments used to develop bio-optical algorithms that relate the

Surface Engineering of Styrene/PEGylated-Fluoroalkyl Styrene Block Copolymer Thin Films

January 1, 2009
Author(s)
Elisa Martinelli, Sara Menghetti, Giancarlo Galli, Antonella Glisenti, Sitaraman Krishnan, Marvin Y. Paik, Christopher K. Ober, Detlet-M Smilgies, Daniel A. Fischer
A series of diblock copolymers prepared from styrenic monomers was synthesized using ATRP. One block was derived from styrene while the second block was prepared from a styrene modified with an amphiphilic PEGylated-fluoroalkyl side chain. The surface

THERMOPHYSICAL PROPERTIES OF FLUIDS

January 1, 2009
Author(s)
Eric W. Lemmon
These tables give thermodynamic and transport properties of a variety of fluids, as generated from the equations of state presented in the references below. The properties tabulated are pressure (P), density (ρ), enthalpy (H), entropy (S), isochoric heat
Displaying 29126 - 29150 of 73830
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