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Displaying 50651 - 50675 of 73697

Impact of Variable Pulse Pressure and Nonlinear Propagation on Industrial Ultrasonic NDE Measurement Interpretation and Uncertainty

January 1, 1999

Author(s)

John A. Slotwinski

Nominally identical ceramic-element ultrasonic transducers of the type used in the aerospace and metals industries for nondestructive evaluation (NDE) often have large variability in the peak pressure of the generated ultrasonic pulses. The generated

Implementing a Standards-Based Distributed Measurement and Control Application on the Internet

January 1, 1999

Author(s)

Richard D. Schneeman

The distributed measurement and control (DMC) industry is migrating away from proprietary hardware and software platforms in favor of open and standardized approaches. High-level programming languages, object-oriented platforms, Internet technology, and

Implementing a standards-based distribution measurement and control application on the internet:

January 1, 1999

Author(s)

Richard D Schneeman

Improved VO 2 Microbolometers for Infrared Imaging: Operation on the Semiconducting-Metallic Phase Transition with Negative Electrothermal Feedback

January 1, 1999

Author(s)

Carl D. Reintsema, Erich N. Grossman, Jonathan A. Koch

We have investigated the performance of VO 2 microbolometers biased on the semiconducting-metal phase transition with negative electrothermal feedback. We deposited crystalline thin films of phase-pure VO 2, patterned these films into useful test

Improved-accuracy Tristimulus Colorimeters Calibrated with Standard Detectors

January 1, 1999

Author(s)

George P. Eppeldauer

In Line Study of Droplet Deformation in Polymer Blends in Channel Flow

January 1, 1999

Author(s)

Kalman D. Migler, Erik K. Hobbie, F Qiao

In-Line Dielectric Sensor for Chemical Composition Measurements in Molten Polymers

January 1, 1999

Author(s)

M M. McBrearty, Anthony J. Bur, S Perusich

We describe a dielectric sensor that incorporates a flow-through design so that it can be placed in-line on an extruder. Dielectric measurements have been successfully applied for measuring additive concentrations in polymer melts during extrusion

In-Line Investigation of Shear-Induced Morphology Transition in Liquid Crystalline Polymer/PET Blends

January 1, 1999

Author(s)

F Qiao, Kalman D. Migler, Charles C. Han

In-Situ Monitoring of Product Shrinkage During Injection Molding Using an Optical Sensor

January 1, 1999

Author(s)

C L. Thomas, Anthony J. Bur

We have used an optical fiber sensor for in-situ monitoring of product shrinkage during injection molding. The sensor, consisting of a bundle of optical fibers with a sapphire window at its end, is positioned in the ejector pin channel of the mold so that

Index of Refraction and its Temperature Dependence of Calcium Fluoride Near 157 nm, ed. by Luc Van den Hove

January 1, 1999

Author(s)

John H. Burnett, R Gupta, U Griesmann, T E. Jou

Influence of Nanometer-Scale Multilayered Thin Films on Fatigue Crack Initiation

January 1, 1999

Author(s)

Mark R. Stoudt, Richard E. Ricker, R C. Cammarata

Fatigue crack initiation in initially smooth, defect free samples of ductile metals almost always occurs at the free surface as a result of surface roughening and the development of a critical surface morphology 1-3. For FCC metals with high stacking fault

Influence of Secondary Tip Shape on Illumination Mode NSOM Images

January 1, 1999

Author(s)

L Richter, C. E. Jordan, Richard R. Cavanagh, Garnett W. Bryant, A Liu, S J. Stranick, C D. Keating, M J. Natan

Information infrastructure for healthcare::an evaluation of a government-industry technology development initiative

January 1, 1999

Author(s)

Henry Etzkowitz, Richard N Spivack

Infrared diffuse reflectance instrumentation and standards at NIST

January 1, 1999

Author(s)

Leonard M. Hanssen, Simon G. Kaplan

Infrared Spectra of (NO) 2 + , (NO) 2 - , and (NO) 3 - Trapped in Solid Neon

January 1, 1999

Author(s)

C Lugez, Warren E. Thompson, Marilyn E. Jacox, A Snis, I Panas

Infrared Spectral Hole Burning of 1:1 Hydrogen-Bonded Complexes in Solution

January 1, 1999

Author(s)

S M. Arrivo, V D. Kleiman, W T. Grubbs, T P. Dougherty, Edwin J. Heilweil

Inhibition of premixed carbon monoxide-hydrogen-oxygen-nitrogen flames by iron pentacarbonyl:

January 1, 1999

Author(s)

Marc D Rumminger, Gregory T Linteris

Initial Manufacturing Exchange Specification (IMES)::information model for the process plan - workstation level

January 1, 1999

Author(s)

Y Tina Lee

Initial- and final-state alignment and orientation effects in Ca energy pooling

January 1, 1999

Author(s)

Harold V. Parks, S R. Leone

Instantaneous and noninstantaneous nonlinear effects in femtosecond pulse propagation

January 1, 1999

Author(s)

H K. Eaton, Scott Diddams, A A. Zozulya, A G. van Engen, T S. Clement

Instrumental Aspects of X-Ray Microbeams in the Range Above 1 KeV

January 1, 1999

Author(s)

P Dhez, P Chevallier, Thomas B. Lucatorto, Charles Tarrio

Integral Equation Approach to Condensed Matter Relaxation

January 1, 1999

Author(s)

Jack F. Douglas

A model of relaxation in supercooled and polymer liquids is developed starting from an integral equation describing relaxation in liquids near thermal equilibrium and probabilistic modeling of the dynamic heterogeneity presumed to occur in these complex

Interactions of polymers with fillers and nanocomposites, NIST, June 18-19, 1998::a workshop report

January 1, 1999

Author(s)

Alamgir Karim, Alan Nakatani, Kathy Barnes, Brett Ermi, Jack Douglas, Erik Hobbie, Eric Amis

Interactive 3D visualization of mathematical functions using VRML:

January 1, 1999

Author(s)

Qiming Wang, Bonita Saunders

InterComparison of Photometric Units Maintained by NPL (UK), PTB (Germany), and NIST (USA)

January 1, 1999

Author(s)

Yoshihiro Ohno, T Goodman, G Sauter

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