Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 3228 for “"mineral"”.
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Mineral content of vegetables grown with organic and mineral fertilizers
The mineral content of vegetables grown with organic and mineral fertilizers was investigated in order to determine the nutritional superiority or non-superiority of organically raised foods. Duplicate samples of split peas, pinto beans, kidney beans, blackeye peas and tomatoes of each treatment …
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animal vegetable mineral
… categorizations like “animal, vegetable or mineral” superficial at best. The unifying element has been called energy, or, as Emerson put it, “thought is the common origin.” This guiding principle, a life spent by the sea, and an enduring fascination with nature’s forms, has resulted in my …
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animal vegetable mineral
… categorizations like “animal, vegetable or mineral” superficial at best. The unifying element has been called energy, or, as Emerson put it, “thought is the common origin.” This guiding principle, a life spent by the sea, and an enduring fascination with nature’s forms, has resulted in my …
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Microwave mineral analysis
Abstract can not be copied from the PDF document
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Arm sweat mineral loss and total body mineral determinations in preadolescent boys
… containing 30, 60, and 90 g protein and various mineral concentrations were studied. Arm sweat collections were made using the arm bag technique. Mineral and nitrogen concentrations were determined by atomic absorption spectrophotometry and the micro-Kjeldhl procedure, respectively. Total body …
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Mineral ages and metamorphism
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Geology and Geophysics, 1960.
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Mineral royalties : a preview of the development of Mineral Royalty legislation in South Africa
… management and development of the country’s mineral heritage took place after the inauguration of the new political dispensation in South Africa in 1994. This resulted in the enactment of the Mineral and Petroleum Resources Development Act (28/2002) (MPRDA) in 2002. In accordance with the …
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Study of peptide-mineral interactions
The studies of peptide-mineral interactions presented within this thesis aimed to identify and understand the effect(s) induced by peptides/selected motifs on amorphous silica and crystalline zinc oxide (ZnO) formation. The effect of imidazole functionality on silica formation was studied using …
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Heathland Restoration after Mineral Extraction
… restoration of heathlands at a china clay mineral extraction site in the UK. Assessment of historical restoration practices revealed that previous work carried out on the study site is not achieving Atlantic Lowland Heath (ALH) and that specific amendments might be necessary. Consequently, …
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Biological growth on mineral façades
… the samples. By this we hope to understand the mineral façade as a biological habitat and learn more about the organisms living there and which abiotic and biotic factors that control the growth.
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Mineral nutrition of micropropagated plants
Aspects of the mineral nutrition of plants in in vitro cultures were studied in Delphinium 'Princess Caroline' and Hosta 'Fladspen Blue', two species with contrasting growth habits. Initially methods for accurately measuring mineral concentrations within gelled culture media using atomic absorption …
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CO2 Sequestration through Mineral Carbonation
… CO2 storage is permanent fixation by means of mineral trapping. This thesis explores the use of unconventional reservoirs such as shales and siltstones as a target for mineral trapping of CO2. Although some studies of CO2 storage in shales and low-permeability (tight) reservoirs exist, most …
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Sustainable ball clay mineral extraction.
… law and policy has on access to ball clay mineral resources in the Wareham Basin, Dorset. Ball clay is a non-renewable resource and planning for its sustainable use involves a consideration of current and future exploitation needs to meet demand as well as the protection of the natural …
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Mineral tanning mechanisms: a fundamental study
A review across the periodic table of tanning effects of simple inorganic compounds reveals that many elements are capable of being used to make leather. But, if the practical criteria of effectiveness, availability, toxicity and cost are applied, the useflul options reduce to chromium ([III) the …
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Essays in mineral and energy policy
The chapters in this dissertation focus on mineral and energy policy but vary in the type of their contribution to current mineral and energy economic knowledge. In the second chapter, we present an applied policy analysis of rare earth markets. Specifically, we develop a Stackelberg game of …
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Does mineral resource dependence foster corruption?
Includes bibliographical references (pages 33-36).
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Clay mineral catalysed oxidation of phenols
… iron(III) oxides within aluminosilicate clay minerals (Fulacolor™ and bentonite) and employ them as oxidation catalysts for phenolic compounds using hydrogen peroxide as oxidant in Fenton or photo-Fenton processes. Thermal degradation of phenol proceeded very slowly; photocatalytic …
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