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 13 of 13 for “"Differential thermal analysis (DTA)"”.
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Desenvolvimento de antisséptico bucal em pastilha para prevenção da cárie dental
… direct compression technology. Therefore, theanalysis of pharmaceutical excipients and the evaluation of the characteristics of theformulations were carried out. A preformulation study was carried out to assess thecompatibility of the active pharmaceutical ingredient (API) with the excipients …
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Processing of Hemp Fibre Using Enzyme/Fungal Treatment for Composites
… characterization techniques, namely wet chemical analysis, Fourier-transform infrared (FT-IR), scanning electron microscopy (SEM), fibre density testing, X-ray diffraction (XRD), differential thermal analysis (DTA) and thermogravimetric analysis (TGA), zeta potential and single fibre tensile …
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Synthesis of molten salt as heat transfer fluid for waste heat recovery application
… are studied to characterize the physical and thermal properties based on low melting point and high thermal stability in order to be considered as heat transfer fluid in waste heat recovery applications. The nitrate based molten salt that has been use in this study consists of binary, ternary …
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Crystal growth and perfection of selected intermetallic and oxide compounds
… phase diagrams were experimentally revealed by differential thermal analysis (DTA), optical metallography and EPMA and partially combined with CALPHAD calculations.
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Structure and properties of iron phosphate glasses: A novel host matrix for the vitrification of high-level nuclear wastes
… energy x-ray and neutron diffraction techniques, differential thermal analysis (DTA), and the product consistancy test (ASTM C-1285-94). The excellent chemical durability of iron phosphate glasses containing nuclear waste components is indicated by dissolution rates (at 90 °C in distilled water) …
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Glass-ceramics for solid oxide fuel cell seals
… a quantitative approach to characterize the isothermal crystallization of glass using differential thermal analysis (DTA)<strong>, </strong>with Li<sub>2</sub>O-2SiO<sub>2</sub> as the model system. Section three applies this approach using a SOFC sealing glass (glass#27). The finer powder …
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Identification of clone x rootstock effects on cold hardiness and relevant dehydrins changes in Cabernet franc (Vitis vinifera L.)
… weeks and were measured for cold hardiness by differential thermal analysis (DTA). Cold hardiness was reported as low temperature exotherms (LTE). Vine performance including phenological stages, yield components, vine balance, environmental resistance, and fruit composition including titratable …
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Development of new high entropy alloys for brazing of Ni-base superalloys
… than the solidus temperature of Inconel 600. Differential thermal analysis (DTA) confirmed that the as-cast HEA had a solidus temperature of 1080 °C and a liquidus temperature of 1150 °C, which were in good agreement with the melting range predicted by Thermo-Calc using the newly published …
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Effects of high energy mechanical milling on the kinetics of solid state reactions
… by using X-ray diffractometry (XRD), differential thermal analysis (DTA), differential scanning calorimetry (DSC), optical microscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). A quantitative analysis of the Ni/Al system was performed to gain an …
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Examination of hydrated and accelerated carbonated cement-heavy metal mixtures
… energy dispersive X-ray spectroscopy (EDS), differential thermal analysis (DTA) and thermogravimetry (TG). Thermodynamic modelling using a geochemical code, PHREEQC, and the edited database, was carried out to elucidate the chemical reactions occurring in cement/heavy metal systems. Heavy …
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Quantitative Trait Loci Analysis of Low Temperature Responses in Grapevine F2 Population
… and bud break using quantitative trait loci analysis (QTL). An F2 population developed by selfing a single F1 from a cross between American species <em>Vitis riparia</em> and a hybrid grapevine Seyval, was used to conduct QTL analysis for subzero temperature tolerance. The low temperature …
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Preformulation solid-state supramolecular beneficiation of selected active pharmaceutical ingredients and a novel drug candidate
… methods. Characterisation of new forms involved thermal analytical methods including hot stage microscopy (HSM), differential thermal analysis (DTA), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and variable temperature powder X-ray diffraction (VTPXRD). In all cases …
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Influencia de la composición de distintos hormigones en los mecanismos de transporte de iones agresivos procedentes de medios marinos
… por medio de análisis térmico diferencial (DTA), difracción de rayos X (DRX), porosimetría por intrusión de mercurio (MIP), permeabilidad a los gases, difusión de iones (cloruro, sulfato y magnesio), así como las propiedades mecánicas del hormigón (resistencia a compresión, resistencia a …