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 162 for “"wool"”.
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Studies on the natural fluorescence of wool and wool grease
… current knowledge of the natural fluorescence of wool and wool wax, to characterise the species responsible and to thoroughly investigate the light induced changes. The natural visible fluorescence of Merino fibres was found to vary along the length of the fibre, from highly fluorescent tips to …
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Effects of Wool Fibres on Mechanical and Flammability Characteristics of Wool-Polypropylene Composites
… and stiffness. One such natural fibre is wool, which is protein based and made up of the biodegradable keratin. The fibre’s complex physical structure and chemical compositions are responsible for its high thermal stability and mechanical performance. Also, wool is a naturally fire …
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An evaluation of the muzziness characteristics of certain wool and wool blend fabrics
… The· fabrics tested were three Dacron® polyester/wool blends and one 100% wool from Burlington Worsteds Division. The laboratory method consisted of balling the wet or dry samples, wrapping them in commercial plastic wrap, securing the packages with elastic bands and subjecting them to centrifugal …
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A study on wool characters
… The clean yield per fleece and the grade of wool were thought to be of equal importance in earning a greater return per fleece. In making such a comparison, wool samples were taken from twelve Hampshire ewes and twelve South-Down ewes, of which the wool represented Three-eighth Blood and …
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On the dynamics of wool spinning
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1961.
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Chemical modification of the surface of wool
… particularly those of the cystine residues in wool, are investigated. The observed differences between the reactions of both acids are highlighted. Some of the products of the reaction of H3P02 and wool cystine are identified. These include the gases hydrogen suiphide H2S ) and sulphur dioxide …
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Sheep wool pellets as slow-releasing nitrogen fertiliser
Þessi rannsókn kannaði virkni íslenskra sauðfjárullar sem sjálfbærs valkosts við hæga losun á köfnunarefnisáburði til að bæta jarðvegseiginleika og einnig vöxt og uppskeru nytjaplantna. Rannsóknin var framkvæmd bæði í gróðurhúsi (með því að nota ófrjósaman mó- og vikurjarðveg) og á akri (með histic …
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An econometric model of the Japanese wool industry
… a monthly econometric model of the Japanese Wool Textile Industry for the period from January 1968 to February 1975. In developing equations to explain responses in the four major production sectors of the industry, particular attention has been paid t o the influences of stocks and the …
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An econometric model of the Japanese wool industry
… a monthly econometric model of the Japanese Wool Textile Industry for the period from January 1968 to February 1975. In developing equations to explain responses in the four major production sectors of the industry, particular attention has been paid t o the influences of stocks and the …
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Applications of analysis of variance in wool marketing
… the application thereof in the South African Wool Trade seems non existent. I hope that this thesis will illustrate some of the very useful applications, especially to the extent where the rejection of all (or some) of the hypotheses under consideration is in itself as significant as the …
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Wool fabric plasma treatment: resulting properties evaluation and applications in field
… plasma treatment. These treatments, finalized to wool fabric hydrophilicity enhancement, were performed in reducing, oxidizing and neutral conditions. A novel wool fabric dyeing process is described in Chapter IV. This process, requiring plasma as a pre-treatment, gives emphasis to water and …
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