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Dissertations / Theses on the topic 'Differential Scanning Calorimetry DSC'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Snell, Andrew John Roger. "Application of Differential Scanning Calorimetry to Characterize Thin Film Deposition Processes." Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1280943337.

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2

Kuntz, Michael. "Quantifying Isothermal Solidification Kinetics during Transient Liquid Phase Bonding using Differential Scanning Calorimetry." Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/890.

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The problem of inaccurate measurement techniques for quantifying isothermal solidification kinetics during transient liquid phase (TLP) bonding in binary and ternary systems; and resulting uncertainty in the accuracy of analytical and numerical models has been addressed by the development of a new technique using differential scanning calorimetry (DSC). This has enabled characterization of the process kinetics in binary and ternary solid/liquid diffusion couples resulting in advancement of the fundamental theoretical understanding of the mechanics of isothermal solidification. The progre

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3

Holeman, Teryn A., та Teryn A. Holeman. "Effects of Three Cardiomyopathic-Causing Mutations (D230N, D84N, and E62Q) on the Structure and Flexibility of α-Tropomyosin". Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624101.

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Cardiac contraction at the level of the sarcomere is regulated by the thin filament (TF) composed of actin, alpha tropomyosin (TPM), and the troponin (Tn) complex (cTnT: cTnC: cTnI). The "gate-keeper" protein, α-TPM, is a highly conserved α-helical, coiled-coil dimer that spans actin and regulates myosin-actin interactions. The N-terminus of one α-TPM dimer inter-digitates with the C-terminus of the adjacent dimer in a head-to-tail fashion forming the flexible and cooperative TPM-overlap that is necessary for myofilament activation. Two dilated cardiomyopathy (DCM) causing mutations in TPM (D8

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4

Zander, Patrik, and Johan Hammarström. "Värmebehandling av segjärn med hög kiselhalt." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Maskinteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-16377.

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Bakgrunden till detta examensarbete var att Qumex Materialteknik vid ett flertal tillfällen konstaterat att material av typen SS 0725 har uppvisat bristfälliga härdresultat. Materialet, som är relativt nytt på marknaden, är ett gjutjärn av typen segjärn och utmärker sig gentemot andra segjärn på grund av sitt höga innehåll av kisel. Då segjärn enligt den nu gällande EN-standarden klassificeras efter sina mekaniska egenskaper uppstår ett problem gällande SS 0725. Materialet uppfyller de krav som är ställda för EN-GJS-500-7 och hamnar därmed under samma materialbeteckning som ett segjärn med bet

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5

Gundogar, Sati Asli. "Thermal Characterization And Kinetics Of Crude Oils By Tga And Dsc Methods." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611502/index.pdf.

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In recent years, the application of thermal analysis to study the combustion and pyrolysis behavior of fossil fuels has gained a wide acceptance because of its significance for industry and economy. In this thesis, the thermal and kinetic analysis of different origin crude oil samples are performed by two well-known thermal analysis techniques: Differential Scanning Calorimetry (DSC) and Thermogravimetry (TG/DTG). The investigation of combustion and pyrolysis behaviors, kinetic analysis of oil samples and the determination of heating rate effect are the main objectives of this study. Six diffe

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6

Pöhlmann, Milena. "Thermisch härtende Polymerverbundmaterialien als Basis für neue Befestigungssysteme." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1165492370619-99312.

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Mit der Entwicklung und Einführung ökologischer Bauweise im Neubau sowie neuen Baustoffsystemen in Sandwichbauweise wird es zunehmend erforderlich, neue effektive Befestigungsvarianten zu entwickeln, die eine dauerhafte Fixierung auch unter sicherheitstechnischen Bestimmungen sowie aus Garantie- bzw. haftungsrechtlichen Gründen ermöglichen. Die aus der Praxis bisher bekannten chemischen Befestigungssysteme (Zweikomponentenverbundmörtel, Verbundankerpatronen) weisen hinsichtlich der Applikation unter bautechnischen Bedingungen noch einige Nachteile auf. Dazu gehören vor allem längere Aushärtung

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7

Gul, Kiymet Gizem. "Thermal Characterization And Kinetic Analyis Of Sara Fractions Of Crude Oils By Tga And Dsc Methods." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613614/index.pdf.

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In this thesis, four different crude oil samples and their saturate, aromatic and resin fractions were analyzed by two different thermoanalytical methods, thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The experiments were performed at three different heating rates (5, 10 and 15 &deg<br>C/min) under air atmosphere. Same gas flow rate and same pressure were applied to all samples. The aim is to determine the kinetic analysis and combustion behavior of crude oils and their fractions and also determining the effect of heating rate on all samples. For all samples

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8

Trindade, Nuno Miguel Passarinho. "Stochastic modeling of the thermal and catalytic degradation of polyethylene using simultaneous DSC/TG analysis." Master's thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/8468.

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Dissertação para obtenção do Grau de Mestre em Engenharia Química e Bioquímica<br>In the present work a stochastic model to be used for analyzing and predicting experimental data from simultaneous thermogravimetric (TG) and differential scanning calorimetry (DSC) experiments on the thermal and catalytic degradation of high-density polyethylene (HDPE) was developed. Unlike the deterministic models, already developed, with this one it’s possible to compute the mass and energy curves measured by simultaneous TG/DSC assays, as well as to predict the product distribution resulting from primary cra

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9

Maggiolino, Stefano. "Un nuovo dispositivo per analisi microcalorimetriche nel settore biologico: DSC-MEMS." Doctoral thesis, Università degli studi di Trieste, 2008. http://hdl.handle.net/10077/2765.

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2006/2007<br>Il seguente lavoro di tesi di dottorato è inerente alla progettazione, modellizazione, caratterizzazione di uno sensore MEMS (Micro Electro Mechanical System) per misure calorimetriche su cellule. Sono stati progettati diversi dispositivi simulandone, in diversi casi, le scelte progettuali atte a migliorare le caratteristiche del sensore. Sono state simulate anche scelte che a causa della tecnologia usata non sono state applicate, ma con tecnologie differenti potrebbero andare a migliorare il sensore. In conclusione tutte le scelte progettuali indagate, ed in alcuni casi anche ap

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10

Almutairi, Badriah Saad. "Correlating Melt Dynamics with Glass Topological Phases in Especially Homogenized Equimolar GexAsxS100-2x Glasses using Raman Scattering, Modulated- Differential Scanning Calorimetry and Volumetric Experiments." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1593272974284834.

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11

Saffarini, Ghassan. "X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), differential scanning calorimetry (DSC) and density study of ternary chalcogenide glasses based on Ge-Se and Ge-S." Thesis, Brunel University, 1991. http://bura.brunel.ac.uk/handle/2438/7396.

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Glasses of the systems Ge-Se-X (X = Ga, Sn, Bi, Sb), Ge-S-Y (Y = Ag, Ga, Sn, Bi) and Se-S have been examined using X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), density and differential scanning calorimetry (DSC). Two of the compositions, GeSe2 and (GeSe2)92Ga8, have also been examined by extended X-ray absorption fine structure (EXAFS) and X-ray absorption near edge structure (XANES). The emphasis of the XPS measurements was on the changes in the binding energies with composition of the core peaks of the glasses, and on the plasmon energy losses from the L3M4,5M4,5 Auger li

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12

Ladický, Peter. "Vliv síťování na denaturaci kolagenových vzorků z různých živočišných zdrojů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2018. http://www.nusl.cz/ntk/nusl-376892.

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The diploma thesis deals with the preparation, crosslinking and characterization of collagen films from various animal sources. Collagen from pig, Tilapia, horse, cow and crocodile was used to prepare collagen films. Chemical crosslinking agents EDC/NHS and Lyofix were used to crosslink the prepared films. In the experimental part, differential scanning calorimetry (DSC) method was optimized to determine the denaturation temperature of individual collagen films before and after crosslinking. In addition, the ability of films to swell and degrade has been analyzed. The presence of characteristi

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13

Buyukyagci, Arzu. "Synthesis And Characterization Of Monoacetylferrocene Added Sulfonated Polystyrene Ionomers." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/1108026/index.pdf.

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Incorporation of monoacetylferrocene to the sulfonated polystyrene ionomers imparted some changes in the properties of sulfonated polystyrene. Sulfonation was carried out by acetic anhydride and concentrated sulphuric acid. The sulfonation reaction and the degree of sulfonation were determined by analytical titration and adiabatic bomb calorimeter . For this purpose, sulfonated polystyrene (SPS) samples with varying percentages of sulfonation were prepared between 0.85% and 6.51%. Monoacetyl ferrocene was used in equivalent amount of sulfonation through addition procedure. FTIR Spectroscopy wa

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14

Topa, Ece Hatice. "Thermal Characterization And Kinetics Of Diesel, Methanol Route Biodiesel, Canola Oil And Diesel-biodiesel Blends At Different Blending Rates By Tga And Dsc." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612460/index.pdf.

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Application of thermogravimetric analysis to the renewable energy sources is a novel study and it has been becoming attractive by the researchers in recent years. In this thesis, thermal and kinetic properties of biodiesel as new energy source, diesel and canola oil have been analyzed by using very popular thermogravimetric analysis methods which are<br>Differential Scanning Calorimetry (DSC) and Thermogravimetry (TGA/DTG). The main aim of the study is to observe the combustion and pyrolysis behaviour of methanol route biodiesel and diesel blends at different blending rates. Additionally, comb

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15

Chbeir, Ralph. "Correlating Melt Dynamics with Topological Phases of Homogeneous Chalcogenide- and Modified Oxide- Glasses Using Raman Scattering, Infra-Red Spectroscopy, Modulated-Differential Scanning Calorimetry and Volumetric Experiments." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1573224465185235.

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16

Wang, Wenhu. "Effect of Fullerene Nano-spheres on Evaporation Kinetics of Fluids." Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1323918423.

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17

Othman, Daryan Jalal. "The influence of adhesive curing temperature upon the performance of FRP strengthened steel structures at ambient and elevated temperatures." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/29646.

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The structural adhesives widely used in structural strengthening applications are thermoset ambient cure adhesive polymers. At ambient temperatures, these polymers are in a relatively hard and inflexible state. At higher temperatures, the material becomes soft and flexible. The region where the molecular mobility changes dramatically is known as the glass transition temperature Tg and often is presented as a single value. Epoxy polymers exhibit a significant reduction in mechanical properties near glass transition temperature Tg when they are exposed to elevated temperatures. Glass transition

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18

Sumarna, Omay. "Physikalisch-chemische Charakterisierung von ausgewählten supramolekularen Kristalleinschlussverbindungen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola&quot, 2009. http://nbn-resolving.de/urn:nbn:de:swb:105-7158838.

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Die vorliegende Arbeit befasst sich mit experimentellen Untersuchungen zur physikalisch-chemischen und strukturellen Charakterisierung von neuartigen supramolekularen Kristalleinschlussverbindungen am Beispiel der Clathrate der Wirtverbindung 2,2’-bis(9-hydroxy-9-fluorenyl)biphenyl mit Aceton (polar) sowie Chloroform (unpolar). Durch die Kombination von Röntgenstrukturanalysen mit systematischen Messungen thermodynamischer Größen wie Löslichkeit, Einschluss-, Zersetzungs-, Lösungs- und Kristallisationsenthalpien konnten neue Erkenntnisse bezüglich der Struktur-Eigenschaftsbeziehungen sowie zur

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19

Longhini, Renata. "Avaliação de interações do ácido gálico frente a adjuvantes empregados em formas farmacêuticas sólidas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/8566.

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Neste trabalho foram avaliados o comportamento do ácido gálico e de adjuvantes tecnológicos frequentemente empregados em formas farmacêuticas sólida, e das suas misturas físicas, através de métodos termoanalíticos e por espectroscopia de infravermelho. Foi investigada também a influência da compactação sobre as misturas físicas equiponderais. Os adjuvantes avaliados foram amidoglicolato de sódio, celulose microcristalina, croscarmelose sódica, crospovidona, dióxido de silício coloidal, estearato de magnésio e polimetacrilato. O ácido gálico apresentou um comportamento térmico diferenciado nas

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Uzzell, Jamar. "STRUCTURAL BASIS FOR THERMAL STABILITY OF THERMOPHILIC TRMD PROTEINS." VCU Scholars Compass, 2011. http://scholarscompass.vcu.edu/etd/2539.

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Thermal stability of theG37 tRNA methyltransferase proteins from Thermotoga maritima and Aquifex aeolicus have been compared using Differential Scanning Calorimetry. It was shown that the Thermotoga protein is remarkably stable and is denatured at temperatures in excess of 100 degrees Centigrade. The Aquifex aeolicus protein was less stable, denaturing broadly at temperatures between 55oC and 100oC. In contrast, the mesophilic E. coli protein was completely denatured at 55oC. Enzymatic activity of the proteins was measured at various temperatures. Both the Thermotoga and Aquifex enzymes are

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Freithová, Štěpánka. "Charakterizace rašelin." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2019. http://www.nusl.cz/ntk/nusl-401839.

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Peatlands are considered to be valuable ecosystems on the Planet and play an important role in many processes globally likewise and in the landscape. They are important for maintaining a global biodiversity, play an important role in landscape hydrology and can be a source of drinking water. They can help minimize floods and contribute to climate change mitigation. The peat bogs are one of the largest terrestrial carbon reservoirs. They have been storing carbon for centuries. Many of peat functions are affected due to human activities. It can result into release of greenhouse gases into atmosp

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Junior, Virgilio Tattini. "Etapas críticas na liofilização do pericárdio bovino." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/9/9134/tde-06032009-184216/.

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Em um sistema biológico, a água é responsável por inúmeras reações metabólicas, assim como pela estabilidade estrutural dos constituintes celulares do material. A liofilização é um processo de secagem comumente utilizado para a conservação de materiais biológicos. Entretanto, devido a complexidade do processo e às mudanças térmicas aplicadas ao material, se as etapas da liofilização não forem bem conduzidas, poderão ocorrer danos estruturais irreversíveis. Este projeto tem como objetivo determinar as etapas críticas na liofilização do pericárdio bovino. Através das técnicas de caracterização t

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Sgarito, Luca. "Analisi sperimentale degli effetti di temperature elevate sul comportamento strutturale dei rinforzi in FRP." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amslaurea.unibo.it/86/.

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In questa tesi si è voluta porre l’attenzione sulla suscettibilità alle alte temperature delle resine che li compongono. Lo studio del comportamento alle alte temperature delle resine utilizzate per l’applicazione dei materiali compositi è risultato un campo di studio ancora non completamente sviluppato, nel quale c’è ancora necessità di ricerche per meglio chiarire alcuni aspetti del comportamento. L’analisi di questi materiali si sviluppa partendo dal contesto storico, e procedendo successivamente ad una accurata classificazione delle varie tipologie di materiali compositi soffermandosi sul

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24

Mu, Wangzhong. "Microstructure and Inclusion Characteristics in Steels with Ti-oxide and TiN Additions." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-162284.

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Non-metallic inclusions in steels are generally considered to be detrimental for mechanical properties. However, it has been recognized that certain inclusions, such as Ti-oxide and TiN, can serve as potent nucleation sites for the formation of intragranular ferrite (IGF) in low-alloy steels. The formation of IGF could improve the toughness of the coarse grained heat affected zone (CGHAZ) of weld metals. Thus, the present thesis mainly focuses on the effect of size of nucleation sites on the IGF formation. Quantitative studies on the composition, size distribution and nucleation probability fo

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Heidrich, Dario, and Michael Gehde. "Kalorimetrische Untersuchung des Kristallisationsverhaltens unter dynamischer Abkühlung." Technische Universität Chemnitz, 2019. https://monarch.qucosa.de/id/qucosa%3A36101.

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Eine kalorimetrische Kristallisationsuntersuchung unter dynamischer Abkühlung ist bisher noch nicht erfolgt, auch weil die klassischen DSC-Messsysteme hierfür thermisch zu träge sind und die Einschwingzeiten zu lang sind. Durch die Weiterentwicklung der Prüftechnik, insbesondere auf dem Gebiet der Hochgeschwindigkeitskalorimetrie, erscheint es jedoch erstmals möglich, das dynamische Abkühlverhalten prozessnah nachbilden zu können und die Auswirkung auf die Kristallisation zu untersuchen. Im Rahmen dieser Arbeit wurde daher versucht die dynamische Abkühlung einer Kunststoffschmelze aus PBT kal

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26

Reed, Jordan Derek. "Ultrasonic Processing of Aluminum 2139 and 7050." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1248496/.

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Acoustics is the study of all sound waves, with ultrasound classified as those frequencies above 20,000 Hz. Currently, ultrasound is being used in many industries for a variety of purposes such as ultrasonic imaging, ultrasonic assisted friction stir welding, and ultrasonic spot welding. Despite these uses, the effects of ultrasound on phase stability and resultant mechanical properties has been minimally analyzed. Here we study the impact waves play in ultrasonic welding and design an apparatus to maximize waves entering aluminum alloy samples. Aluminum 2139 and 7050 are used because they

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Ramesh, Dinesh. "The Role of Interface in Crystal Growth, Energy Harvesting and Storage Applications." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1752367/.

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A flexible nanofibrous PVDF-BaTiO3 composite material is prepared for impact sensing and biomechanical energy harvesting applications. Dielectric polyvinylidene fluoride (PVDF) and barium titanate (BaTiO3)-PVDF nanofibrous composites were made using the electrospinning process based on a design of experiments approach. The ultrasonication process was optimized using a 2k factorial DoE approach to disperse BaTiO3 particles in PVDF solution in DMF. Scanning electron microscopy was used to characterize the microstructure of the fabricated mesh. The FT-IR and Raman analysis were carried out to inv

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Isreb, Mohammad. "Thermal and rheological approaches for the systematic enhancement of pharmaceutical polymeric coating formulations : effects of additives on glass transition temperature, dynamic mechanical properties and coating performance in aqueous and solvent-free coating process using DSC, shear rheometry, dissolution, light profilometry and dynamic mechanical analysis." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5527.

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Additives, incorporated in film coating formulations, and their process parameters are generally selected using a trial-and-error approach. However, coating problems and defects, especially those associated with aqueous coating systems, indicate the necessity of embracing a quality-by-design approach to identify the optimum coating parameters. In this study, the feasibility of using thermal and rheological measurements to help evaluate and design novel coating formulations has been investigated. Hydroxypropyl methylcellulose acetate succinate (HPMCAS), an enteric coating polymer, was used as t

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Weißhuhn, J., T. Mark, M. Martin, P. Müller, A. Seifert, and S. Spange. "Ternary organic–inorganic nanostructured hybrid materials by simultaneous twin polymerization." Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-220068.

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The acid and base catalyzed simultaneous twin polymerization (STP) of various 2,2′-disubstituted 4H-1,3,2-benzodioxasiline derivatives 2a–d with 2,2′-spirobi[4H-1,3,2-benzodioxasiline] (1) are presented in this paper. The products are nanostructured ternary organic–inorganic hybrid materials consisting of a cross-linked organic polymer, silica and a disubstituted polysiloxane. It can be demonstrated whether and in which extent the copolymerization of the two inorganic fragments of 1 and 2 takes place among the STP and how the molar ratio of the two components determines the structure formation

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Modi, Sunny J. "Assessing the Feasibility of Poly-(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and Poly-(lactic acid) for Potential Food Packaging Applications." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1268921056.

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Ullrich, Frank. "Untersuchungen von neuartigen Platinkatalysatoren, präpariert unter Nutzung des Biotemplatings, mit miniaturisierten kalorimetrischen Anordnungen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola&quot, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:105-0705337.

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Durch Biotemplating mit bakteriellen Oberflächenproteinen, sogenannten S-Layer Proteinen können Metallcluster mit einer definierten Größe und Verteilung auf verschiedensten Oberflächen abgeschieden werden. Damit eröffnet sich die Möglichkeit der gezielten Präparation heterogener Katalysatoren. Mit der Kalorimetrie sollen die katalytischen Eigenschaften von mit Platin belegten S-Layer Präparationen am Beispiel der Kohlenmonoxidoxidation vorgestellt werden. Es werden geträgerte Katalysatoren und katalytisch aktive Schichten untersucht. Der Fokus liegt bei den Katalysatorschüttungen auf der Chara

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Larsericsdotter, Helén. "Macromolecules at Interfaces." Doctoral thesis, Uppsala University, Centre for Surface Biotechnology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4661.

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<p>In this thesis, the structure and stability of globular proteins adsorbed onto nanometer-sized hydrophilic silica particles were investigated using differential scanning calorimetry (DSC), hydrogen/deuterium exchange (HDX), and mass spectrometry (MS). The adsorption process itself was characterized with fluorescence and absorption spectroscopy and surface plasmon resonance (SPR). The combination of these methods offered a unique insight into adsorption-induced changes within proteins related to their adsorption characteristics. DSC contributed with thermodynamic information on the overall s

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Allain, Vanessa. "Bicouches lipidiques modèles pour l'étude des interactions de substances exogènes avec les membranes biologiques : exemple d'un principe actif squalénisé, le ddC-SQ." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA114843.

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Les principes actifs, dans leur chemin vers leur cible thérapeutique, rencontrent une ou plusieurs membranes biologiques (plasmique, intracellulaire). Les interactions entre un principe actif et ces membranes sont importantes : d’une part les propriétés pharmacocinétiques de la molécule active (transport, distribution, accumulation) en dépendent, d’autre part le principe actif peut modifier les propriétés structurales des membranes. L’étude de ces interactions est rendue difficile par la complexité des membranes en termes de composition (lipidique et protéique) et de structure (hétérogénéité d

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Thompson, M. "Matrix effects in differential scanning calorimetry." Thesis, Open University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.281223.

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35

Altun, Naci Emre. "Beneficiation Of Himmetoglu And Beypazari Oil Shales By Flotation And Their Thermal Characterization As An Energy Source." Phd thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12606990/index.pdf.

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Processing of Bolu-Himmetoglu (Type I Kerogen) and Ankara-Beypazari (Type II Kerogen) oil shales by flotation techniques were investigated for achieving clean solid fuel substitutes. Materials characterization was done through mineralogical, XRD and FTIR analyses. Flotation responses of the samples were tested with non-ionizing and ionizing collectors of cationic and anionic types. The effects of the collector dosage and pulp pH on cleaning were determined. Other important flotation parameters, conditioning time, flotation time, pulp density, particle size and frother dosage were encountered u

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Nikolopoulos, Christos. "Mathematical modelling of modulated-temperature differential scanning calorimetry." Thesis, Heriot-Watt University, 1997. http://hdl.handle.net/10399/659.

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Dumitrescu, Oana Roxana. "Simultaneous differential scanning calorimetry : Fourier Transform infrared spectroscopy." Thesis, Cranfield University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421231.

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Jiang, Zhong. "Temperature modulated differential scanning calorimetry : modelling and applications." Thesis, University of Aberdeen, 2000. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU603190.

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The research described in this thesis focused on the TMDSC technique with respect to both theoretical problems and applications. Theoretically, modelling work has been performed to address the effects of heat transfer in the measuring cell on both dynamic and quasi-isothermal TMDSC experiments. The problems of heat transfer generally influence the measured complex heat capacity and phase angle values, but eventually affect the precise measurements of other frequency dependent quantities such as the in-phase and out-of-phase heat capacities. A procedure has been suggested to correct the measure

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Schellenberg, René. "Hydrierung von Bortrichlorid mit molekularem Wasserstoff in Gegenwart von Aminen als Hilfsbasen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2011. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-68938.

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In dieser Arbeit wurde die Möglichkeit untersucht, Bortrihalogenide mit Wasserstoff unter milden Bedingungen (T < 100 °C, p(H2) < 50 bar) zu hydrieren. Um eine Triebkraft für die thermodynamisch ungünstige Reaktion zu erhalten, wurden Amine als Hilfsbasen zugesetzt, welche den bei der Reaktion entstehenden Halogenwasserstoff als Ammoniumsalz binden und damit das Reaktionsgleichgewicht in Richtung der Produkte verschieben. Es wurden dafür verschiedene Amin-Boran bzw. Amin-HCl Addukte synthetisiert und mittels IR, NMR und DSC charakterisiert. Bei den anschließenden Hydrierungsversuchen wurden ve

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Kaßner, Lysann. "Stickstoffhaltige Monomere zur Herstellung von Hybridmaterialien." Doctoral thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-171321.

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In der vorliegenden Arbeit wurden stickstoffhaltige Monomere ausgehend von aromatischen Aminen oder Lactamen durch Umsetzung mit Chlorsilanen synthetisiert. Die so erhaltenen Derivate wurden mit Hilfe spektroskopischer und thermischer Analysenmethoden umfassend charakterisiert. Auf Basis der stickstoffhaltigen Monomere wurden über unterschiedliche Synthesestrategien organisch-anorganische, nanostrukturierte Hybridmaterialien hergestellt. Durch die thermisch induzierte Zwillingspolymerisation der Monomere 2,2‘-Spirobi[3,4-dihydro-1H-1,3,2-benzodiazasilin] und 1,1’,4,4‘-Tetrahydro-2,2‘-spirobi[b

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Damadzadeh, Behzad, and Hamideh Jabari. "Biodegradable Composites : Processing of thermoplastic polymers for medical applications." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-19329.

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Despite the recent development in PLA and PLGA based medical devices, there are still needs to further improve the mechanical performance of bioresorbable medical implants and their bioactivity. This is normally done by optimizing the filler compositions in selected groups ofbiodegradable polymer matrices. In this study, the effects of various filler levels on mechanical strength and thermal properties of PLA and PLGA composites were investigated. Composites containing different dosage of osteoconductive HAp with various particles size (0-5μm, 0-50 μm, nano size), β-TCP, bioactive glass and bi

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Löschner, Tina. "Synthese nanostrukturierter, organisch-anorganischer Hybridmaterialien über Zwillingspolymerisation." Doctoral thesis, Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-119796.

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Im Fokus dieser Arbeit stand die Methode Zwillingspolymerisation zur Synthese organisch-anorganischer Hybridmaterialien. Die simultane Zwillingspolymerisation wird als neues Konzept zur gezielten Herstellung homogener, nanostrukturierter Hybridmaterialien unterschiedlicher Zusammensetzung vorgestellt. Hierfür wurden die Zwillingsmonomere 2,2’-Spirobi[4H-1,3,2-benzodioxasilin] und 2,2 Dimethyl-4H-1,3,2-benzodioxasilin in einem Arbeitsschritt gemeinsam polymerisiert. Die erhaltenen Phenolharz-Siliciumdioxid/Dimethylsiloxan-Hybridmaterialien weisen aufgrund einstellbarer Syntheseparameter untersc

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Sharma, Varun. "Evaluation of novel metalorganic precursors for atomic layer deposition of Nickel-based thin films." Master's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-166627.

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Nickel und Nickel (II) -oxid werden in großem Umfang in fortgeschrittenen elektronischen Geräten verwendet. In der Mikroelektronik-Industrie wird Nickel verwendet werden, um Nickelsilizid bilden. Die Nickelmono Silizid (NiSi) wurde als ausgezeichnetes Material für Source-Drain-Kontaktanwendungen unter 45 nm-CMOS-Technologie entwickelt. Im Vergleich zu anderen Siliziden für die Kontaktanwendungen verwendet wird NiSi wegen seines niedrigen spezifischen Widerstand, niedrigen Kontaktwiderstand, relativ niedrigen Bildungstemperatur und niedrigem Siliziumverbrauchs bevorzugt. Nickel in Nickelbasis-A

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Murray, John. "A differential scanning calorimetry study of some metal 2,4 pentanedionates." Thesis, Federation University Australia, 1987. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/97253.

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The sublimation enthalpy of beryllium (II), aluminium (III), chromium (III), iron (III), cobalt (III), nickel (II), copper (II), oxovanadium (IV) and zirconium (IV) 2,4 -pentanedionate complexes has been determined by vacuum Differential Scanning Calorimetry (DSC), subsequent to benzoic acid being proposed as calibrant for this technique. In conjunction with existing thermochemical data for these complexes, metal-ligand homolytic bond dissociation energies are calculated and are rationalized in terms of the ionic size of the coordinated meta and the crystal field stabilization energies for the

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Bright, Andrew G. "Mechanistic Insights into the Stabilisation of Biopharmaceuticals using Glycine Derivatives. The Effect of Glycine Derivatives on the Crystallisation, Physical Properties and Behaviour of Commonly used Excipients to Stabilise Antigens, Adjuvants and Proteins in the Solid State." Thesis, University of Bradford, 2015. http://hdl.handle.net/10454/15943.

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This dissertation has focused on studying the effect of four glycine derivatives on the solid state properties of mannitol, glycine, and sucrose when freeze dried into blended mixtures. The primary goal was to assess their value for use in the stabilisation of vaccines in the solid state, by examining key physical and chemical characteristics, which have been documented to be beneficial to the stabilisation of biopharmaceutical formulations. The novel excipients; dimethyl glycine, and trimethyl glycine, were shown to retard the crystallisation and increase the overall glass transition temperat

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Gouni, Sreeja Reddy. "Cure Kinetics of Benzoxazine/Cycloaliphatic Epoxy Resin by Differential Scanning Calorimetry." Thesis, California State University, Long Beach, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10689461.

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<p>Understanding the curing kinetics of a thermoset resin has a significant importance in developing and optimizing curing cycles in various industrial manufacturing processes. This can assist in improving the quality of final product and minimizing the manufacturing-associated costs. One approach towards developing such an understanding is to formulate kinetic models that can be used to optimize curing time and temperature to reach a full cure state or to determine time to apply pressure in an autoclave process. Various phenomenological reaction models have been used in the literature to succ

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Mateo, Rosado Yamily. "Développement d'un outil de détermination de cinétiques par microcalorimétrie différentielle en flux continu : application aux réactions catalytiques hétérogènes." Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR39.

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Cette thèse propose une nouvelle méthodologie expérimentale basée sur la microcalorimétrie différentielle à balayage (DSC) en configuration en flux continu, pour la détermination des paramètres cinétiques dans les réactions chimiques. La méthodologie permet d’obtenir une estimation rapide et précise de ces paramètres en mesurant la chaleur libérée ou absorbée au cours de la réaction. L’utilisation d’un calorimètre DSC à flux continu permet de travailler avec de petites quantités d’échantillon et de réaliser la réaction dans la zone de mesure, ce qui offre l’avantage de mesurer précisément la p

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McConnell, Brendan Neil. "Fragment-based approaches to targeting EthR from mycobacterium tuberculosis." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/290255.

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Tuberculosis affects millions of people worldwide every year. The current treatment for TB is divided into a regimen of both first- and second-line drugs, where first-line treatments are more tolerated and require shorter treatment lengths. With rising levels of resistance, alternative treatment regimes are urgently needed to fight this disease. Ethionamide, a second-line drug is administered as a prodrug which is activated in vivo by the enzyme EthA, which is in turn regulated by EthR. The disruption of the action of EthR could lead to novel therapeutics which could enhance the efficacy of et

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Song, Mo. "Applications of modulated-temperature differential scanning calorimetry to multi-component polymer materials." Thesis, Lancaster University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337256.

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Belkharchouche, Mohamed. "Pressure differential scanning calorimetry studies and its relevance to in-situ combustion." Thesis, University of Salford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280747.

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