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Displaying 44726 - 44750 of 74469

Incoherent Neutron Scattering and the Dynamics of Confined Polycarbonate Films

January 1, 2002
Author(s)
Christopher L. Soles, Jack F. Douglas, Wen-Li Wu, Robert M. Dimeo
Incoherent elastic neutron scattering measurements are performed on thin (1015 to 75 ) polycarbonate films supported on Si wafers. The mean-square atomic displacement is determined by fitting the intensity data to the Debye-Waller factor and we find that

Inhibition of Premixed and Non-Premixed Flames with Fine Droplets of Water and Solutions

January 1, 2002
Author(s)
Harsha K. Chelliah, A K. Lazzarini, P N. Wanigarathne, Gregory T. Linteris
Inhibition/extinction of premixed and non-premixed methane-air flames with fine-droplets of water and solutions containing several chemical agents are investigated experimentally. While solutions allow delivery of much higher concentrations of chemical

Integrating Spheres for Mid- and Near-Infrared Reflection Spectroscopy

January 1, 2002
Author(s)
Leonard M. Hanssen, K A. Snail
Integrating sphere instrumentation has historically been the primary analysis tool for accurate quantitative characterization of reflectance and absorptance of samples and materials that exhibit a high degree of scattering. We present a review of

Intermolecular Potential and Second Virial Coefficient of the Water-Helium Complex

January 1, 2002
Author(s)
M P. Hodges, R J. Wheatley, Allan H. Harvey
A potential-energy surface for the water-helium complex is constructed from scaled perturbation theory calculations, and calibrated using accurate supermolecule methods. At the global minimum, the helium atom lies in the plane of the water molecule with an
Displaying 44726 - 44750 of 74469
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