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Magnetic Susceptibility of a Crystalline Free Radical

Description: The entirety of the investigation discussed in this paper was confined to a study of the spin resonance properties of unpaired electrons of an organic free radical. In the remainder of the paper the theory of electron spin resonance, the apparatus used in the investigation, and the experimental results obtained are discussed in that order.
Date: June 1962
Creator: Smith, William C.
Partner: UNT Libraries

Multi-stage fuel cell system method and apparatus

Description: A high efficiency, multi-stage fuel cell system method and apparatus is provided. The fuel cell system is comprised of multiple fuel cell stages, whereby the temperatures of the fuel and oxidant gas streams and the percentage of fuel consumed in each stage are controlled to optimize fuel cell system efficiency. The stages are connected in a serial, flow-through arrangement such that the oxidant gas and fuel gas flowing through an upstream stage is conducted directly into the next adjacent downstream stage. The fuel cell stages are further arranged such that unspent fuel and oxidant laden gases too hot to continue within an upstream stage because of material constraints are conducted into a subsequent downstream stage which comprises a similar cell configuration, however, which is constructed from materials having a higher heat tolerance and designed to meet higher thermal demands. In addition, fuel is underutilized in each stage, resulting in a higher overall fuel cell system efficiency.
Date: December 1, 1997
Creator: George, Thomas J. & Smith, William C.
Partner: UNT Libraries Government Documents Department

Petroleum-Engineering Study of Healdton Oil Field, Carter County, Oklahoma

Description: Report issued by the Bureau of Mines over petroleum-engineering studies conducted at the Healdton oil field. The methods used for the study are presented. This report includes tables, maps, illustrations, and photographs.
Date: February 1953
Creator: Riggs, C. H.; Wey, John E.; Sanabria, Edward, Jr.; Meadows, Paul; Smith, William C. & West, James A.
Partner: UNT Libraries Government Documents Department