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 34 for “"functional structures"”.
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Sequence and Functional Structures of the Extrachromosomal rDNA Minichromosome of Physrum Polycephalum
<p>The ribosomal RNA genes of Physarum polycephalum are encoded on multiple copies of linear, palindromic extrachromosomal DNA molecules (rDNA), which have been isolated both as a satellite DNA molecule, and as a "minichromosome" with associated chromatin proteins. The genes coding for the 19 S, 26 …
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Strategy-V : adaptive model and experimental validation of strategy and implementation for teamwork
… Agile activities and interactions into Waterfall functional structures of strategy and implementation in software development extended organizations. To quantify such framework performance, new measures are proposed as sociotechnical sensors namely Project Emergent Value (PEV) and Project …
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Structural Anomaly Detection
… entities in the system driven by certain functionalities act purposely, and interactions among entities are not random, and structures exist. By contrast, malicious behavior will appear out of place with the internal inherited structure a system may have, i.e., structural anomalies.</p> …
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Discrete mechanical metamaterials
… shape part production. Extension to full scale structures and systems, however, remains a challenge, as cost, speed and performance present orthogonal objectives that are inherently coupled to limited material options, stochastic process errors, and machine-based constraints. To address these …
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Infrared detectors based on two-dimensional materials and heterostructures
… for next-generation tools with unprecedented functionality and energy efficiency. Two-dimensional (2D) materials, a family of nanomaterials with atomic thickness, promise an ideal platform for nanoscience and nanotechnology research on which we are able to engineer functional structures and …
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The Military of Guatemala and Niklas Luhmann's Theory of Autopoietic Social Systems
… an analytical category and replacing it with the functional structures of social systems. The opaque complexity of this model of thought has rendered it extremely difficult to understand and apply, which has obstructed its reception on the part of empirically oriented scholars. This paper …
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NOVEL TYPES OF TWO-DIMENSIONAL METAL CARBIDES AND THEIR APPLICATIONS: FIRST PRINCIPLES STUDIES
… and graphdiyne, is widely adopted to design new functional structures. However, the doping-induced configurations generally suffer from poor stability, highly disordered lattices, and low metal loading ratios, which would greatly limit their applications. Therefore, developing novel 2D …
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A series of sculptures based on a creative investigation of the imagery and formal qualities inherent in selected mechanical structures
… the observation and formal analysis of certain functional structures relating mostly to industry, and led to the making of sculptures characterised by formal reduction and abstracted 'constructivist' forms. My intention for the MFA study was to pursue this methodology and to extend the scope to …
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Electronic digital materials
… blocks; they represent a new way of building functional, multi-material, three-dimensional structures. In this thesis, I focus on the construction of microelectronics from vertically assemble-able two-dimensional parts. With just a conducting and insulating part-type, I show that it is …
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Design and fabrication of novel and functional 3D structures via proximity field nano-patterning
… to fabricate multi-dimensionally periodic micro-structures. Though a potent technique for 3D microfabrication that offers dual and superior advantage of scalable resolution and throughput, this technique has not seen broader adoption due to the lack of concerted design and fabrication strategies …
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Multifunctional and Responsive Polyelectrolyte Nanostructures
… ions in polyelectrolyte can provide various functionalities, PECs incorporated with metal ions are promising candidates for manufacturing stable and multifunctional structures. While the coordination of metal ions and polyelectrolytes has been extensively investigated in solutions and …
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Repetitive process control of additive manufacturing with application to laser metal deposition
… which has promise in the production of complex, functional structures that cannot be fabricated with conventional manufacturing and the repair of high-value parts. However, a significant challenge to the adoption of additive manufacturing processes to these applications is proper process control. …
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Flexigami : folded polygonal unit cells for deployable metamaterials and mechanisms
Deployable and transformable structures are of broad interest for applications including satellites and space exploration, temporary shelters, packaging, transportation, robotics and medical devices. One emerging approach to scalable fabrication of such structures involves the general concept of …
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Natural Arabic language text understanding
… different representation techniques, Lexical Functional Grammar (LFG) theory is found to be best suited for this task because of its structural approach. LFG lays down a computational approach towards NLP, especially the constituent and the functional structures, and models the completeness of …
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Shape Evolution of Nanostructures by Thermal and Ion Beam Processing
Single-crystalline nanostructures often exhibit gradients of surface (and/or interface) curvature that emerge from fabrication and growth processes or from thermal fluctuations. Thus, the system-inherent capillary force can initiate morphological transformations during further processing steps or …
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Advanced transfer printing methods and their applications to functional surfaces
… material integration to enable nontrivial functional structures and devices as inks are separately prepared on a donor substrate and assembled on other receiving substrates. However, the current transfer printing still has several areas of improvement to achieve those promises practically: …
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Biological and bio-inspired morphometry as a route to tunable and enhanced materials design
… rules) to create high-performance, multi-functional structures that exhibit tunable properties through extraordinary complexity, hierarchy, and precise structural control. This thesis explores the use of morphometry as a materials design parameter through the development of bio-inspired, …
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Advanced instrumented stamps for micro transfer printing and novel application areas
… set of techniques for deterministic assembly of functional micro/nano scale devices into two and three dimensional spatial arrangements. It provides a versatile route for realizing multifunctional heterogeneously integrated systems such as flexible electronics, biocompatible sensing and …
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Protein Assembly for a Functional Fibrous Product
… Structural proteins provide scaffolds, whereas functional proteins carry essential biological activities through millions of biochemical reactions. The idea of implementing functionalities into natural structures could provide manufactured protein products with a better fit for human desire. The …
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Probing DNA-Induced Colloidal Interactions and Dynamics with Scanning-Line Optical Tweezers
… time that carefully designed systems of DNA-functionalized particles exhibit effectively diffusion-limited binding, suggesting that these interactions are suitable to direct efficient self-assembly. We systematically explore the transition from diffusion-limited to reaction-limited binding by …
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