UNT Libraries Government Documents Department - 4 Matching Results

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Blasting Vibrations and Their Effects on Structures

Description: Report issued by the Bureau of Mines over the effects of air blast vibrations. As stated in the abstract, "this report presents the results of the Bureau of Mines 10-year program to study the problem of air blast and ground vibrations generated by blasting" (p. 1). This report includes tables, and illustrations.
Date: 1971
Creator: Nicholls, Harry R.; Johnson, Charles F. & Duvall, Wilbur I.

The Proton Nuclear Magnetic Resonance Spectra of Pyridines

Description: Report discussing the proton NMR spectra of 32 pyridines in two solvents, carbon tetrachloride and bezene-d6, are presented. The chemical-shift and differential-shift values are correlated with the substitutent position and with the solvent media. The ring protons and the protons on alkyl substituents are tabulated. The paramagnetic shift of the protons adjacent to the nitrogen is discussed, and a proposed structure for the pyridine-benzene complex that is consistent with the observed anomalous paramagnetic shift is presented. The utility of the data in the identification of pyridine compounds found in shale-oil naphtha is demonstrated.
Date: 1971
Creator: McDonald, F. R.; Decora, A. W. & Cook, G. L.

Reuse and Subsurface Injection of Municipal Sewage Effluent: Two Case Histories

Description: Report issued by the U.S. Bureau of Mines discussing sewage disposal and reuse. As stated in the introduction, "this paper describes the renovation of municipal sewage water for industrial use, and the use of subsurface waste disposal by an industrial complex and by a city" (p. 1). This report includes tables, and illustrations.
Date: 1971
Creator: Donaldson, Erle C. & Bayazeed, Abdo F.