Dissertations / Theses on the topic 'Successive synthesis'
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Brunton, Virginia. "Innovation in systematic review methods : successive developments in framework synthesis." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/10039022/.
Full textBarton, Patrick Randal. "A synthesis program for CMOS successive approximation A/D and D/A converters." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/15347.
Full textSullivan, Carolyn Wendy, and n/a. "Simultaneous and successive synthesis and their interaction with instructional treatments in year eigth mathematics in the A.C.T." University of Canberra. Education, 1987. http://erl.canberra.edu.au./public/adt-AUC20061109.111850.
Full textDelomier, Yann. "Conception et prototypage de décodeurs de codes correcteurs d’erreurs à partir de modèles comportementaux." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0047.
Full textDigital communications are ubiquitous in the communicating objects of everyday life. Evolving communication standards, shorter time-to-market, and heterogeneous applications make the design for digital circuit more challenging. Fifth generation (5G) mobile technologies are an illustration of the current and future challenges. In this context, the design of digital architectures for the implementation of error-correcting code decoders will often turn out to be especially difficult. High Level Synthesis (HLS) is one of the computer-aided design (CAO) methodologies that facilitates the fast prototyping of digital architectures. This methodology is based on behavioral descriptions to generate hardware architectures. However, the design of efficient behavioral models is essential for the generation of high-performance architectures. The results presented in this thesis focus on the definition of efficient behavioral models for the generation of error-correcting code decoder architectures dedicated tp LDPC codes and polar codes. These two families of error-correcting codes are the ones adopted in the 5G standard. The proposed behavioural models have to combine flexibility, fast prototyping and efficiency.A first significant contribution of the research thesis is the proposal of two behavioural models that enables the generation of efficient hardware architectures for the decoding of LDPC codes. These models are generic. They are associated with a flexible methodology. They make the space exploration of architectural solutions easier. Thus, a variety of trade-offs between throughput, latency and hardware complexity are obtained. Furthermore, this contribution represents a significant advance in the state of the art regarding the automatic generation of LDPC decoder architectures. Finally, the performances that are achieved by generated architectures are similar to that of handwritten architectures with an usual CAO methodology.A second contribution of this research thesis is the proposal of a first behavioural model dedicated to the generation of hardware architectures of polar code decoders with a high-level synthesis methodology. This generic model also enables an efficient exploration of the architectural solution space. It should be noted that the performance of synthesized polar decoders is similar to that of state-of-the-art polar decoding architectures.A third contribution of the research thesis concerns the definition of a polar decoder behavioural model that is based on a "list" algorithm, known as successive cancellation list decoding algorithm. This decoding algorithm enables to achieve higher decoding performance at the cost of a significant computational overhead. This additional cost can also be observed on the hardware complexity of the resulting decoding architecture. It should be emphasized that the proposed behavioural model is the first model for polar code decoders based on a "list" algorithm
Bogden, George. "Self-determination, custodianship, and synthesis : telic behavior in contemporary treaty succession." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:303090fc-5c47-4db3-9e68-c614c1ff44d4.
Full textHossain, Khalid. "A Novel Process for GeSi Thin Film Synthesis." Thesis, University of North Texas, 2007. https://digital.library.unt.edu/ark:/67531/metadc5167/.
Full textSartori, Kevin. "Studying the interfacial exchange coupling within ferrite based magnetic nanoparticles prepared following to a succession of thermal decomposition synthesis." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAE029.
Full textThe use of rare earths in data storage devices is expensive and polluting. Their replacement with iron oxide would make it possible to avoid this. Below a size of 20 nm, iron oxide nanoparticles cannot be considered as permanent magnet. An alternative is to combine them with another magnetic phase to enhance their magnetic anisotropy via interfacial exchange coupling within core@shell nanoparticles. However, the magnetic stability of the latter remains insufficient. The scope of this thesis is to design a new type of magnetic nanoparticles of core@shell@shell structure with a Fe3-dO4 core and CoFe2O4, CoO or NiO as shells which has further enhance the magnetic properties while maintaining a size below 18 nm. The in-depth study of their structure-properties relationship was carried out using a wide set of analytical techniques
HAIDAR, NOUR-EDDINE. "Synthese endogene de la choline par methylations successives de l'ethanolamine dans les cellules clonees la-n-1 et la-n-2 de neuroblastome humain." Université Louis Pasteur (Strasbourg) (1971-2008), 1993. http://www.theses.fr/1993STR13181.
Full textBertoncini, Bruno Vieira. "Uma proposta de estimação da matriz OD a partir dos fluxos de tráfego observados nas interseções da rede de transportes." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/18/18144/tde-18022011-152600/.
Full textThe aim of this work is to propose and test the hypothesis that traffic counts collected at network intersections, instead of traffic counts collected at links, reduce indeterminacy and make more accurate the OD matrix estimated by the synthetic model. Furthermore, a method is proposed and described in detail to estimate the OD matrix based on successive averages (MEMS). The model formulation of the proposals and a description of the experiments are presented. Three estimation methods, QUEENSOD, TransCAD, and MEMS were used in the hypothesis verification. The use of \"virtual links\" in the network consists of an artifice that enable the QUEENSOD and TransCAD to estimate the OD matrix based on traffic counts at intersection. By using flow counts conducted at intersections, improvements could be made to the estimated OD matrix bringing it closer to \"real situations\". The experiments results show that the OD matrix estimation based on traffic counts collected on network intersection has a better performance in contrast to the estimation based on traffic counts collected on network links. The estimated matrix gradually becomes closer to \"real situations\" while the quantity of information flow and its distribution to the network is increased. Therefore, the formulated hypothesis for this work cannot be refuted.
Gauthier, Eric L. "The potential of airborne synthetic aperture radar (SAR) imagery as a basic tool for stratigraphic investigations in forested areas: The Ordovician-Silurian carbonate succession of Anticosti Island, Gulf of St Lawrence, eastern Canada." Thesis, University of Ottawa (Canada), 2003. http://hdl.handle.net/10393/26373.
Full textAcar, Fikri. "Low Cycle Fatigue Effects In The Damage Caused By The Marmara Earthquake Of August 17, 1999." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605534/index.pdf.
Full texts hysteretic model have been calibrated using a search method. In the calibration process experimental data of a total of twenty-two beam and column specimens, tested under constant and variable amplitude displacement histories, has been used. Fine-tuning of deterioration parameters is essential for more realistic predictions about inelastic behavior and structural damage. In order to provide more realistic damage prediction, three ranges of parameters are proposed. Some damage controlling structural parameters have been assessed via a large number of two-dimensional section analyses, inelastic time history and damage analyses of SDOF systems and seismic vulnerability analyses of reinforced concrete buildings. Inelastic time history and damage analyses of numerous SDOF systems have been carried out to determine whether the loading history has an effect on damage and dissipated hysteretic energy. Then this emphasis is directed to the analyses of MDOF systems. In the analyses of the SDOF systems, various forms of constant and variable amplitude inelastic displacement reversals and synthetic ground motions composed of one of the four earthquake records preceded or followed by its modified records acted as a prior or successive earthquake, have been used. The analyses of two five-story R/C buildings have been caried out using synthetic accelerograms comprised of base input provided by the two recorded ground motions. It is shown that both damage progression and cumulative hysteretic energy dissipated along a path seem to depend on the number and amplitude of cycles constituting the path. However, final damage and accumulated hysteretic energy dissipated along a loading path are independent of the ordering of the same number and amplitude cycles along the path. There is a nonlinear relationship between the earthquake excitation intensity and final damage attained in the end. Increase in the acceleration amplitude leads to exponential increase in damage. As the prior earthquake intensity increases the damage from the succeding main earthquake decreases. A definite ground motion acting as prior and successive earthquake causes substantially different amount of damage. Prior earthquake damage does not substantially affect the maximum drift response in future larger earthquakes. A MDOF frame type structure with aprior damage suffers less overall damage in an earthquake in comparison with the one without a prior damage.
Segura, Lorena. "Consideraciones epistemológicas sobre algunos ítems de los fundamentos de las matemáticas." Doctoral thesis, Universidad de Alicante, 2018. http://hdl.handle.net/10045/80507.
Full textMinassian, Frédéric. "Réactions des [epsilon]-pentadiénylation et réactions intramoléculaires de Diels-Alder : synthèse stéréosélective de composés bicycliques." Université Joseph Fourier (Grenoble), 2000. http://www.theses.fr/2000GRE10117.
Full textMartinez, José Roberto Barcos. "Metapsicopatologia da psiquiatria: uma reflexão sobre o dualismo epistemológico da psiquiatria clínica entre a organogênese e a psicogênese dos transtornos mentais." Universidade Federal de São Carlos, 2006. https://repositorio.ufscar.br/handle/ufscar/4743.
Full textThis doctoral thesis intends to analyze the main concepts of mental disease and the problematic relation between the organicism and the psychodinamism throughout the history of the psychopathologic ideas that came to constitute the scientific clinical psychiatry, from Philippe Pinel, in the beginning of XIX century, until the chaos of the no theoretical pretense descriptive of the official nosography of the end of XX century and beginning of XXI century (I.C.D.-10). The epistemologic conflict between the psychogenic and organogenic doctrines had resulted in many frustrated attempts of solution. The hermeneuticsynthetic psychopathology of Carl Gustav the Jung (1875-1961) and the phenomenonstructural psychopathology of Eugène Minkowski (1885-1972) stand out among the most promising proposals of XX century. The basic concepts of these authors keep an essential similarity, besides belonging to schools have different thoughts. However, their theorization go in parallel thinking about a psychopathologic formularization psychorganodinamic that is similar in its most essential principles. The antimechanist solution, anti-atomicist and antireductionist, of both, remind the current biological psychiatry that the desired and necessary consensual psychiatric theory will not do without a Metapsychopatology of the psychiatry that consider the irreducible biopsychosocial complexity of the normal or pathological human being. And, neither psychiatry will gain a satisfactory nosographic formularization while they don t reveal the mysteries of the complex etiology of mental disorders.
A presente tese de doutorado pretende analisar os principais conceitos de doença mental e a problemática relação entre o organicismo e o psicodinamismo ao longo da história das idéias psicopatológicas que vieram constituir a psiquiatria clínica científica, a partir de Philippe Pinel, no início do século XIX, até o caos da pretensa ateoricidade descritiva da nosografia oficial do final do século XX e início do século XXI (C.I.D.-10). O conflito epistemológico entre as doutrinas psicogênicas e organogênicas resultou em várias tentativas frustradas de solução. Dentre as mais promissoras propostas do século XX, destacam-se as da psicopatologia hermenêutico-sintética de Carl Gustav Jung (1875-1961) e da psicopatologia fenomeno-estrutural de Eugène Minkowski (1885-1972). Os conceitos fundamentais desses autores guardam uma semelhança essencial, apesar de pertencerem a escolas de pensamento diferentes; todavia, suas teorizações caminham paralelamente no sentido de uma formulação psicopatológica psicorganodinâmica muito parecida em seus princípios mais essenciais. A solução antimecanicista, anti-atomicista e anti-reducionista, de ambos, lembram à psiquiatria biológica atual que a tão desejada e necessária teoria psiquiátrica consensual não prescindirá de uma Metapsicopatologia da psiquiatria que considere a complexidade biopsicossocial irredutível do ser humano normal ou patológico. E, tampouco a psiquiatria chegará a uma formulação nosográfica satisfatória enquanto não desvendar os mistérios da etiologia complexa dos transtornos mentais.
Yeh, Yi-Hsuan, and 葉懿萱. "Synthesis and Characterizations of High-Quantum Yield II -VI Group Core/Shell Quantum Dots Prepared by Successive Ion Layer Adsorption and Reactions." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/36001899179067212347.
Full text國立交通大學
應用化學系碩博士班
104
Herein, a series of II-VI semiconductor core/shell QDs were synthesized by a two-step method (CdSe/CdS, CdSe/ZnSe, CdSe/CdS/ZnS, CdSe/ZnS,CdZnSe/CdS, and CdSeS/CdS). The reaction conditions were mild by adopting less toxic and less expensive reactants (cadmium oxide, S powder, Se powder, and zinc stearate) and passivating ligands (stearic acid, oleic acid, hexadecylamine,octadecylamine and trioxylphosphine oxide) instead of hazzardous organometallic precursors. Different conditions of various reaction temperatures and feeding ratios of Cd to Se were tested to accomplish the best CdSe cores for further shell decomposition. For shell growth, successive ion layer adsorption and reaction (SILAR) method offered a successful deposition of shell materials onto purified cores to avert homogeneous nucleation. Shell grew under moderate temperature (200 °C) in order to alleviate the alloy formation between the interface of core/shell and abate serious PL emission red-shift. The resulting PL spectra exhibited sharp peaks for most core/shell QDs and FWHM less than 40 nm, indicating satisfactory control of size distribution. After shell growth, the PL QY was significantly enhanced, especially for gradient alloy ternary cores. The resulting cores and core/shell QDs emitted light from yellow-green to red colors. This versatile synthetic methodology providing highly quality, high QY, and low-cost core/shell QDs opens a door to their applications in display and solar cells.
Huang, Pen-Chi, and 黃本吉. "Synthesis and Characterization of AgBiS2 Quantum Dots by the Successive Ionic Layer Adsorption and Reaction method for application for sensitized solar cell." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/20406200297377237496.
Full text國立中興大學
物理學系所
101
AgBiS2 quantum dots were produced using successive ionic layer adsorption and reaction (SILAR) of Bi(NO3)3, Ag(NO3) and Na2S. The quantum dots were synthesized on a nanoporous TiO2 electrode. To improve efficiency, passivation treatments including a TiO2 under layer and additional treatments including annealing and an Au counter-electrode were used. The crystallinity and morphology were characterized by X-ray diffraction and transmission electron microscopy. The optical properties of the AgBiS2 quantum dots were characterized by UV-vis spectroscopy. Polysulfide was used as the electrolyte. The best cell yields a short-circuit current of 7.61 mA/cm2, an open circuit voltage of 0.18V, a fill factor of 38.6% and a power conversion efficiency of 0.529 % at one sun.
"Etude de nouvelles réactions péricycliques en cascade : application à la synthèse d'exo-méthylène-butyrolactones/Application of novel successive pericyclic reactions to the synthesis of exo-methylene-butyrolactones." Université catholique de Louvain, 2006. http://edoc.bib.ucl.ac.be:81/ETD-db/collection/available/BelnUcetd-01092007-162503/.
Full textBruni, Rouen. "A comparison of the relative effectiveness of high and ultra high dilutions of abscisic acid prepared by serial dilution and succession as opposed to dilutions prepared by serial dilution alone, on the synthesis of alpha-amylase in barley endosperm half-seeds." Thesis, 2001. http://hdl.handle.net/10321/1933.
Full textThe aim of this study was to investigate the effects of high and ultra-high dilutions (ranging from 10-8to 10-400)of Abscisic acid (ABA) on the synthesis of a-amylase in barley seed endosperm halves (Hordeum vulgare Stirling, ex Caledon, Western Cape, South Africa, 1999 harvest), in order to determine whether these dilutions are able to produce biological effects, as homoeopathic theory would maintain they are (Gaier,1991:445-447). A further aim of this study was to evaluate the role of succussion in the preparation of homoeopathic medicines. Central to the preparation of homoeopathic medicines is the principle of potentisation, which is a method of dilution that is unique to homoeopathy. It involves serial dilution with intervening mechanical agitation, called succussion, between each dilution level (Kayne, 1997:49). At each progressive stage of dilution the concentration of the solute diminishes, often beyond the point at which Avogadro's dilution limit of 6.022 X 1023 marl is exceeded, so that theoretically no solute molecules remain in the solution (Gaier, 1991:47-48). Homoeopathic theory maintains that remedies thus prepared do not lose their therapeutic power in the process of dilution, but that due to the intervening succussion, their efficacy is in fact enhanced. Hence succussion is considered to be the process that sets homoeopathic dilutions apart from simple dilutions, Kayne (1997:49) states that, 'This agitation is vitally important to the therapeutic efficacy of the remedy; dilution alone is not sufficient to produce the phenomenon'. In order to evaluate the role of succussion this study utilised five centesimal serial dilutions; the 4th, 9th, is'. so' and 200t \ which represent deconcentrations ranging from 10-8to 10-400, which dilution levels also span Avogadro's dilution limit. One series was prepared by diluting the ABA with intervening succussion and the other series was prepared by diluting the ABA without intervening succussion. The effects of these two methods on the production of a-amylase were then compared.
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