Julia E Cooper

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Most of the tumorigenicity of CSC for animals can be con centrated in the neutral and acidic fractions. In an early study (19), roughly quantitative results showed that, although the major tumor-initiating activity was concentrated in the carbon tetrachloride eluate from silicic acid chromatography of the neutrals, some activity was found in the hexane(More)
Soil incubation studies were undertaken in controlled environment cabinets at 15°C to investigate the effect of increasing application rates of calcium ammonium nitrate (CAN) on net nitrification in two grassland soils. Granular CAN was applied to the surface of freshly collected, moist soil, at a rate equivalent to 0, 100, 200, 400, 800 and 1600µg NH 4 +(More)
Detailed individual nodulation profiles were obtained for five strains of Rhizobium leguminosarum biovar trifolii inoculated onto roots of Trifolium repens seedlings growing on an agar medium of pH 4.5. The time of appearance and the location of every nodule were noted for a period of 10 days after inoculation. Using these nodulation frequency profiles,(More)
Research was conducted to develop a more accurate and less time-consuming method of determining expressible moisture in poultry meat. Two modifications of wrapping meat in netting (fold wrap or basket wrap) were compared to a conventional method that did not include wrapping meat. Ground, dark poultry meat, with and without 2.0% added NaCl, was wrapped in(More)
An analysis of the thermal response of a fused silica hemispherical dome filter in a wide field-of-view (WFOV) shortwave radiometer for obtaining earth radiation budget measurements is presented. The impact of the filter thermal response on the dc detector (a thermopile) and on the resulting measurement uncertainty is evaluated. It is shown that the(More)
Most of the tumorigenicity of CSC for animals can be con centrated in the neutral and acidic fractions. In an early study (19), roughly quantitative results showed that, although the major tumor-initiating activity was concentrated in the carbon tetrachloride eluate from silicic acid chromatography of the neutrals, some activity was found in the hexane(More)
The experimental determination of the vibration characteristics of rotating engine blades is very important for fatigue failure considerations. One of the most promising techniques for measuring the frequency of blade vibrations is blade tip timing. In this paper, three vibration analysis methods were specifically formulated and applied to the tip timing(More)