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NETLAbelsonite, a C11 nickel-porphyrin of the deoxophylloerythroetioporphyrin type, is shown to have methyl groups in the 2, 3, 7, 12, and 18 positions and ethyl groups in the 8 and...
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Dataset Size: 490.07 KB
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Gathering Resources...NETLThe proton NMR spectra of 32 pyridines in two solvents carbon tetrachloride and benzen-d6, are presented. The chemical-shift and differential-shift values are correlated with...-
Dataset Size: 7.543 MB
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Gathering Resources...NETLThe response of oil shale rods to microwave radiation in the frequency range 2 to 4 GHz is studied. The study indicates that oil shale rods are capable of sustaining wave guide...-
Dataset Size: 3.315 MB
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Gathering Resources...NETLAcoustically induced turbulence and shock waves are experimentally studies using hot-film anemometer and the following results obtained. (a) Shock waves and turbulence in a...-
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Gathering Resources...NETLA method has been developed whereby the viscosity of a tar sand bitumen at any temperature can be calculated from nuclear magnetic resonance parameters. The method is...-
Dataset Size: 1.721 MB
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Gathering Resources...NETLA direct nondestructive method for source-rock evaluation based on solid-state nuclear magnetic resonance (NMR) techniques is demonstrated. Direct measurement of the aliphatic...-
Dataset Size: 802.373 KB
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Gathering Resources...NETLA rich Green River Formation oil shale and derived materials have been subjected to solvent swelling and to radical-forming reagents. Some of the reacted shales from these...-
Dataset Size: 3.147 MB
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Gathering Resources...NETLPrevious studies at the Bureau of Mines have shown that broad-line nuclear magnetic resonance (NMR) techniques have potential applications for rapid evaluation of oil-shale...-
Dataset Size: 5.35 MB
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Gathering Resources...NETLExperimental work on microwave absorption in oil shale materials is continuing. The experimental work done so far concerns the propagation of electromagnetic waves perpendicular...-
Dataset Size: 590.058 KB
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Gathering Resources...NETLThe nitrogen content of retorted shale oils needs to be reduced if the oils are to be used as transportation fuels. The nitrogen compound-type compositions in oils and fuels are...-
Dataset Size: 3.058 MB
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Gathering Resources...NETLA detailed study is reported on the relaxation behavior pertinent to the /sup 13/C NMR analysis of a Colorado kerogen concentrate, using cross polarization (CP) and magic-angle...-
Dataset Size: 1.177 MB
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Gathering Resources...NETL"Petroleum chemists have generally considered that the bases in petroleum are nitrogen compounds. Evidence is presented to show that a portion of the weak bases are...-
Dataset Size: 686.865 KB
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Gathering Resources...NETLThe mechanisms involved in the catalytic gasification reactions of coal char, from Illinois No. 6 coal, have been studied and specific reaction steps and parameters that control...-
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Gathering Resources...NETLAn electron spin resonance (ESR) study of five shale and two coal kerogens has been carried out 298 and 77.1/sup 0/K. The ESR line shapes and linewidths, g-values and spin...-
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Gathering Resources...NETLThe light oil collected in the knockout pot during the underground coal gasification (UCG) experiment at Pricetown, West Virginia, was characterized. Boiling range, elution...-
Dataset Size: 3.802 MB
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Gathering Resources...NETLThe 1H nuclear magnetic resonance spectra were obtained for nitrogen compound-type fractions from a Geokinetics shale oil distillate and a Caribou intermediately refined oil...-
Dataset Size: 2.903 MB
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Gathering Resources...NETLA technique has been developed utilizing proton, bo=road-line nuclear magnetic resonance spectrometry to estimate the organic carbon contents and the potential oil yields of...-
Dataset Size: 5.132 MB
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Gathering Resources...NETLThe major acidic compounds types in ten high-boiling crude oil distillates were identified as carboxylic acids, phenols, carbazoles, and amides. Acids from crude oils having...-
Dataset Size: 1.859 MB
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Gathering Resources...NETL"The intent of this proposed three-year study is to chemically characterize the kerogen of the Eastern Devonian Shale by l3C nuclear, magnetic resonance and other geochemical...-
Dataset Size: 875.78 KB
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Gathering Resources...NETLNuclear magnetic resonance (nmr) has evolved into one of the most powerful tools for elucidation of the structures of organic substances. Although the development of improved...-
Dataset Size: 546.811 KB
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