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open access

MRI of Heterogeneous Hydrogenation Reactions Using Parahydrogen Polarization

Description: The power of magnetic resonance imaging (MRI) is its ability to image the internal structure of optically opaque samples and provide detailed maps of a variety of important parameters, such as density, diffusion, velocity and temperature. However, one of the fundamental limitations of this technique is its inherent low sensitivity. For example, the low signal to noise ratio (SNR) is particularly problematic for imaging gases in porous materials due to the low density of the gas and the large vo… more
Date: June 25, 2008
Creator: Burt, Scott R & Burt, Scott R.
Partner: UNT Libraries Government Documents Department
open access

The VRFurnace: A Virtual Reality Application for Energy System Data Analysis

Description: The VRFurnace is a unique VR application designed to analyze a complete coal-combustion CFD model of a power plant furnace. Although other applications have been created that analyze furnace performance, no other has included the added complications of particle tracking and the reactions associated with coal combustion. Currently the VRFurnace is a versatile analysis tool. Data translators have been written to allow data from most of the major commercial CFD software packages as well as standar… more
Date: June 25, 2001
Creator: Johnson, Peter Eric
Partner: UNT Libraries Government Documents Department
open access

Thermodynamic Critical Field and Superconducting Fluctuation of Vortices for High Temperature Cuprate Superconductor: La-214

Description: Thermodynamics has been studied systematically for the high temperature cuprate superconductor La{sub 2-x}Sr{sub x}CuO{sub 4-{delta}}, La-214, in the entire superconductive region from strongly underdoped to strongly overdoped regimes. Magnetization studies with H {parallel} c have been made in order to investigate the changes in free energy of the system as the number of carriers is reduced. Above the superconducting transition temperature, the normal-state magnetization exhibits a two-dimensi… more
Date: June 25, 2001
Creator: Finnemore, Douglas K.
Partner: UNT Libraries Government Documents Department
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