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Biomarkers of soil contaminationScott-Fordsmand, Janeck James January 1998 (has links)
No description available.
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Heavy metal retention by the organic fraction of sewage sludgeKarapanagiotis, Nicolas Konstantine January 1999 (has links)
No description available.
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The thermodynamic properties of copper-nickel mattesMatousek, Jan Werner January 1961 (has links)
The thermodynamic properties of the components in the Cu-Ni-S ternary system have been measured by means of the H₂S/H₂ ratio in a gas phase equilibrated with the molten matte at 1200°C. The measured sulphur potentials were integrated to establish the activities in the Cu₂S-Ni₃S₂ pseudobinary and the isoactivity lines over the ternary system.
The resultant activity pattern suggests the presence of a pseudocomponent at approximately the composition 0.02 N Ni, 0.63 NCu, and 0.35 NS . The influence exerted by the pseudocomponent causes the activity of Cu₂S to be nearly constant in the miscibility gap. In this same region the activity of Ni₃S₂ is restricted to low values. / Applied Science, Faculty of / Materials Engineering, Department of / Graduate
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Studies on binuclear compartmental Schiff-base thiolate complexesBranscombe, Neil D. J. January 1999 (has links)
No description available.
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Chemical-enhanced filtration of Cu/Ni concentrateZheng, Haijun. January 2010 (has links)
Thesis (M. Sc.)--University of Alberta, 2010. / Title from pdf file main screen (viewed on Jan. 21, 2010). A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science, Department of Chemical and Materials Engineering, University of Alberta. Includes bibliographical references.
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Local environment dependence of magnetic moment in Ni-Cu alloysMedina, Rodrigo Arocha 08 1900 (has links)
No description available.
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An x-ray diffraction method for studying small diffusion zones.Braski, David Neil, January 1965 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute, 1965. / Typewritten. Vita. Abstract at end. Bibliography: leaves 34-35. Also available via the Internet.
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Biofouling and corrosion studies of a copper-nickel alloyGarner, Bradley John January 1987 (has links)
The marine biofouling and corrosion of Kunifer 10 (10% Ni, 1. 5% Fe, copper alloy), was studied using a combination of analytical techniques including x-ray photoelectron spectroscopy (XPS), energy dispersive x-ray analysis (EDXA) and electron microscopy. Particular emphasis was placed on the very early stages of fouling, although the study continued until a climax community of macrofouling organisms had become established. Dissolved organic matter (DOM), was successfully extracted from seawater by ultrafiltration and chloroform-emulsion separation. The collected materials were partially characterised using fourier transform infrared spectroscopy (FTIR) and standard chemical analyses. Extracted materials were found to be mainly carbohydrate in character, with lesser quantities of protein. The FTIR investigations indicated considerable seasonal variation in the extracted DOM. XPS proved to be a suitable technique to investigate the development of marine organic and inorganic films that form on the alloy. Adsorbed organic macromolecules exhibited a characteristic spectral "fingerprint". The effect of elevated DOM on the corrosion behaviour of the Kunifer 10 alloy was investigated, using DC and AC impedance electrochemistry. Studies indicated that a temporary loss of passivation occurred in the presence of DOM under transient oxygen conditions. The development of organic layers on the alloy was shown to influence subsequent stages of biofouling, Kunifer 10 coated with elevated levels' of organic extracts was less likely to become fouled by microorganisms, although certain extracts appeared to stimulate the settlement of marine protozoans. However, such effects were short lived due to the continual formation of bio/corrosion layers. An unusual form of corrosion, not previously documented, is reported and an explanation for the exfoliation of the bio/corrosion films on Kunifer 10 is suggested. A range of cupronickel-iron alloys were assessed for their short-term marine biofouling/corrosion performance. Of the alloys tested Kunifer 10 showed optimum resistance. The study includes a literature review on marine biofouling and corrosion.
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Microstructure and physical properties of Cu-Ni compositional thin filmsOrozco, P. J. January 1988 (has links)
No description available.
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The effect of toxic heavy metals upon fungi of the genus Pythium isolated from soilGhaderian, Seyed Majid January 1998 (has links)
No description available.
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