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 48 for “"Popper"”.
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Karl R. Popper lettore dei presocratici
Can we evaluate Popper's attention to Presocratics in a broader and varied interpretative framework than that claimed so far by the critics? This work provides arguments to support a general reconsideration of this research question, mainly through a study of the sources used by Popper in reading …
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New Ruddlesden-Popper Perovskites Obtained by Topochemical Methods
… were the single and triple layered Ruddlesden-Popper compounds, NaLnTiO4 (Ln = La and Gd) and A2La2Ti3O10 (A = Li and K). These compounds consist of [LnTiO4]- and [La2Ti3O10]2-, respectively, perovskite layers interleaved with two alkali metal ion strata. The topotactic routes used in this …
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The Tension Between Falsificationism and Realism: a Critical Examination of a Problem in the Philosophy of Karl Popper
Karl Popper's philosophy of science includes both falsificationism and realism. I explore the relationship between these two positions in his philosophy and find a strong tension between them. Drawing upon this tension in Popper's philosophy, I explore the general relationship between …
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Opna þjóðfélagið og óvinir þess
… Its Enemies) eftir heimspekinginn Sir Karl R. Popper. Bókin fjallar að mörgu leyti um hugtak sem Popper nefnir söguhyggju og gagnrýni hans á kenningasmiði sem hann telur hafa tileinkað sér hana í kenningasmíðum sínum. Hugtakið söguhyggja skilgreinir Popper sem þá sannfæringu að mannkynssagan sé …
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An analysis of buckling in spherical shells and its design implications for hopper poppers
… investigate a key design parameter of a hopper popper: the force it takes to "load," or invert, the popper. A hopper popper is an injection-molded rubber toy in the shape of a hemispherical shell that stores elastic potential energy when inverted. There is new interest for hopper poppers in …
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Design of repeating projectile toy based on bistable spring propulsion
… Barry Kudrowitz, who designed a single-shot hand-popper that utilized a large bistable spring. The goal of this research was to design and develop a projectile toy capable of safely firing multiple foam balls in succession, using this novel propulsion. A structured design process was followed and …
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Design and development of a multi-shot foam projectile toy
… the initial work was the development of Hopper Popper ActivationTM, which uses a bistable rubber spring to fire Nerf foam balls. Due to its novel nature and the simplicity of its design, Hopper Popper Activation has since been integrated into a single projectile toy named the Atom BlasterTM, …
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Doctoral thesis recital (cello)
… / Olivier Messiaen -- Requiem, op.66 / David Popper.
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A discrete holographic model of neural memory in the context of invarient perception and recognition
… and is not likely to be resolved soon (Popper, 1974].
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Charge carrier transport and recombination in semiconductors: Insights from statistical analysis and machine learning techniques
… exciton energy transport in thin Ruddlesden-Popper perovskite flakes is visualised and understood using time-resolved photoluminescence microscopy. Excitons traverse through static disorder landscapes at low temperatures and diffusively hop between traps at higher temperatures, offering …
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Objectivity in Feminist Philosophy of Science
… heavyweights as Thomas Kuhn and Karl Popper, followed by an analysis of the concept of objectivity with the work of such feminist philosophers of science as Donna Haraway, Lynn Hankinson Nelson, and Sandra Harding, reveals that feminist philosophers of science are not members of some …
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Razón y normatividad. El debate entre Jürgen Habermas y Niklas Luhmann
… tan recurridos como el efectuado entre Karl Popper y Theodor Adorno. En esta investigación pretendemos mostrar que esta controversia (inserta en el contexto no tanto de la filosofía sino de las ciencias sociales) no es ajena al pensamiento filosófico, sino que representa una instancia de …
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Possíveis representações sociais sobre o ensino de ciências de docentes que atuam nos anos iniciais do ensino fundamental
… Denise Jodelet, así como a las epistemologias de Popper, Kuhn, Bachelard y Toulmin que tienen significativa influencia em el estudo de la naturaliza de la ciencia. Em paralelo, se há utilizado el enfoque estructural propuesto por Jean Claude Abric, el cual propone uma herramienta para diagnosticar …
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Buffer stocks for stabilization of commodity markets: a dynamic study.
Massachusetts Institute of Technology, Alfred P. Sloan School of Management. Thesis. 1971. M.S .
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Hypothesentesten : der Einfluß von Phänomenwahrscheinlichkeit und Informationsmenge auf den Schlußfolgerungsprozeß
… werden. Im Gegensatz zur Falsifikationslogik von Popper, nach der die Widerlegung von Hypothesen zur Zurückweisung falscher Annahmen erforderlich ist, zeigt die Literatur einen confirmation bias, d.h. eine Tendenz zur Bestätigung der Annahmen. Klayman und Ha (1987) lieferten eine Erklärung des …
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Science and the Structure of Social Experiment: A Socio-political Study of Climate Data Infrastructure
… with an old philosophical ideal coming from Karl Popper, coming out of the progressive era and the era of early experiments in Communism. That ideal, I argue, offered a social democratic view of the role for science in politics and a view of science as responsible to society through democratic …
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De la cientificidad del marxismo. El materialismo histórico como una tradición de investigación progresiva y crítica en las ciencias sociales
… de Neurath, Kuhn, Feyerabend y sobre todo las de Popper y Lakatos. Esta crítica de las anteriores posiciones llevó al autor a considerar la filosofía de Larry Laudan y sus tradiciones de invetigación como la mejor filosofía de la ciencia para dar cuenta de la producción científica marxista. Con …
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Magneto-Optical Effects in Manganese-doped Lead Halide Perovskite
… We synthesise manganese-doped 2D Ruddlesden-Popper perovskite phenethyl ammonium lead iodide thin films and characterise the material’s basic properties. We report qualitative evidence that, depending on doping concentrations, Mn2+ ions occupy different lattice sites, e.g., either …
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