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Displaying 50776 - 50800 of 73878

Evaluation of Kitchen Cooking Appliance Efficiency Test Procedures

January 1, 1999
Author(s)
Steven J. Nabinger
In 1978, the Department of Energy (DOE) published a Final Rule containing test procedures for measuring the efficiency and energy consumption of conventional ranges, ovens, cooking tops, and microwave ovens. Based on a number of technical concerns

Evaluation of the NASA Langley Research Center Mode-Stirred Chamber Facility

January 1, 1999
Author(s)
John M. Ladbury, Galen H. Koepke, Dennis G. Camell
We performed extensive tests on three mode-stirred (reverberation) chambers operated by the High Intensity Radiation Laboratory located at the National Aeronautics and Space Administration Langley Research (NASA/LaRC) in Hampton, VA.

Evaluation of Variance in Zeta Potential Measurements

January 1, 1999
Author(s)
M Chapman-Wilbert, S Delagah, J J. Pellegrino
We evaluated sources of varience in the measurement of the surface zeta potential of flat sheet specimens of cellulose di/triacetate membranes with a commercial electrokinetic analyzer. Two measurement methods were evaluated: the instrument's standard

Exchange Bias Relaxation in CoO-Biased Films

January 1, 1999
Author(s)
Robert McMichael, C Lee, Mark D. Stiles, F Serpa, P J. Chen, William F. Egelhoff Jr.
Because the memory of the bias direction is carried by the antiferromagnetic order in exchange biased films, the stability of the antiferromagnetic order is critical to the existence of the exchange bias field. Ferromagnetic resonance was used to measure

Experiences in micro-milling and micro-drilling

January 1, 1999
Author(s)
Bradley N. Damazo, Matthew A. Davies, Brian S. Dutterer, Michael Kennedy
The field of micromachining is expanding to meet the demand for increased functionality for smaller components. This paper represents experiences learned in micro-milling and micro-drilling. The objective is to apply our knowledge of conventional and high

Experiments and Theory in Cold and Ultracold Collisions

January 1, 1999
Author(s)
J Weiner, V S. Bagnato, S Zilio, Paul S. Julienne
The authors review progress in understanding the nature of atomic collisions occurring at temperatures ranging from the millidegrees Kelvin to the nanodegrees Kelvin regime. The review includes advances in experiments with atom beams, light traps, and

Fluctuation Effects in Steric Reaction-Diffusion Systems

January 1, 1999
Author(s)
Z Konkoli, H Johannesson, B P. Lee
We propose a simple model for reaction-diffusion systems with orientational constraints on the reactivity of particles (steric system). The corresponding master equation is mapped onto a field theory with upper critical dimension d c = 2 which can be
Displaying 50776 - 50800 of 73878
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