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 33 for “"Multi component systems"”.
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Prognostics and health management for multi-component systems
… manufacturers (OEM) to design more complex systems to meet industrial needs. These systems are being fitted with more components which bear stochastic and economic dependencies. Therefore maintaining such systems is becoming more and more of a challenge, especially due to their degradation …
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Qualitative and Quantitative Analysis of Multi-Component Systems by X-Raydiffraction
Made available in DSpace on 2014-12-05T19:36:20Z (GMT). No. of bitstreams: 1 0015291.pdf: 8254820 bytes, checksum: 2898722063406f891481e93174c05c8e (MD5) Previous issue date: 1955
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The preparation and characterization of multi-component systems in drug pre-formulation
The supramolecular derivatisation, via co-crystallization and cyclodextrin (CD) inclusion of three active pharmaceutical ingredients (APIs), was attempted with the aim of generating new solid forms with potential pharmaceutical application. The APIs under investigation included allopurinol (used …
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Seismic experimental analyses and surrogate models of multi-component systems in special-risk industrial facilities
… it clearly emerges that critical non-structural components (NSCs) that are ubiquitous to most industrial facilities are particularly and even disproportionately vulnerable to those events. Nonetheless and despite their great importance, seismic provisions for industrial facilities and their …
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Reliability Analysis And Optimal Maintenance Planning For Repairable Multi-Component Systems Subject To Dependent Competing Risks
<p>Modern engineering systems generally consist of multiple components that interact in a complex manner. Reliability analysis of multi-component repairable systems plays a critical role for system safety and cost reduction. Establishing reliability models and scheduling optimal maintenance plans …
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Mechanochemical preparation of multi-component pharmaceutical materials for enhanced physicochemical properties
… particularly, their solubility. The synthesis of multi-component pharmaceutical systems, including the lesser-studied eutectic and liquid systems, pose as approaches with which to improve the physicochemical properties of these APIs. Currently, one of the biggest development hurdles associated …
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Numerical Modeling and Prediction of Bubbling Fluidized Beds
… The computational fluid dynamics (CFD) code Multiphase Flow with Interphase eXchange (MFIX) is used to study a two-stage reactor geometry with a binary mixture. MFIX is demonstrated to accurately predict pressure drop versus inlet gas velocity for binary mixtures. A new method is developed to …
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Effect of composition and coherency strains on coarsening in nickel-aluminum-silicon alloys
… of coarsening rate data obtained in multi-component systems is difficult, due to the presence of a gradually varying, composition-dependent coarsening rates, which has to be subtracted from the measured coarsening rates. Further, ternary systems are often plagued by the lack of …
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Part I. Supramolecular Star Polymers Based on Ditopic Hydrogen-Bonding Modules. Part II. The Concept of Fidelity as a Framework for Evaluating the Behavior of Complex Supramolecular Systems
… to discuss the quality of these more complex multi-component recognition systems. Part 2 of this dissertation reports undesired, cross-recognition in several commonly used triply and quadruply hydrogen-bonded complexes to assess the likelihood of orthogonal recognition. Modeling of the …
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Design of a Mold Insert Alignment System for Double-Sided Hot Embossing of Microfluidic Devices Using Kinematic Constraints
… hot embossing has increased in complexity. Many systems are multi component systems requiring that each be aligned properly with its mating components. Double-sided hot embossing is often used to produce stackable components for these assemblies. Accurate alignment of the two mold inserts, and …
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Surface Sorption Properties of Halophilic Archaea
… the controls on metal mobilities in geologic systems is critical in order to understand processes such as global elemental cycling, metal transport in near-surface water-rock systems, sedimentary diagenesis, and soil formation. Archaea are ubiquitous in near-surface water-rock systems and …
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A method for tradespace exploration of systems of systems
Systems of Systems (SoS) are a current focus of many organizations interested in integrating assets and utilizing new technology to create multi-component systems that deliver value over time. The dynamic composition of SoS along with the managerial independence of their component systems …
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Determination of the velocity of sound in reservoir fluids using an equation of state
… number of experimental data on pure, binary and multi-component systems have been generated in this work. The predictions of the model developed in this work have been validated against the experimental data generated in this work and those reported in the literature. The predictions were found …
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Engineering phosphorylation-dependent post-translational protein devices
… to connect post-translational devices to build multi-component systems. I thus developed a model for device composition that features a universal signal carrier that is both input into and output from post-translational devices. The universal signal could enable engineers to easily combine …
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Determining the surface tension of gas-liquid interfaces through metadynamics
… (MD) with well-tempered metadynamics for a one component simulation of Lennard-Jones Ar. The system operates in the NP<sub>xx</sub>T ensemble with the simulation x-axis cell length L<sub>x</sub> as the chosen collective variable (CV). This allows the system to transition from a pure liquid state …
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Directing the Assembly of Multicomponent Organic Crystals. Synthesis, characterisation and structural analysis of multicomponent organic systems formed from dynamic processes.
… and explosives. In recent times, the assembly of multicomponent organic systems has achieved considerable impetus with the widespread interest in co-crystal systems. However, cogent assembly (or engineering) of multicomponent materials is still in its infancy. Considerable advances in crystal …
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The Application Of Polymer Particles In Industrial Processes
… of CFD-DEM modelling to understand complex multi-phase and multi-component systems. In particular, the thesis advocates the application of the Free Surface Lattice Boltzmann Method for creating highly accurate simulations of multi-phase flow. In addition, the thesis offers opportunities for …
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Effects of formulation conditions on micellar interactions and solution rheology in multi-component micellar systems
… and self assembly properties. Typically, multi-component systems are used in order to maximize mildness, hard water tolerance, and foaming. System morphology and viscosity are controlled through chemistry and solution conditions. An experimental study was conducted to determine how …
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Harnessing Saccharomyces cerevisiae Genetics for Cell Engineering
… our incomplete understanding of the cell at the systems level and to the technical difficulty of manipulating the genome on a large scale. In Chapter 1, we begin by discussing the potential of directed evolution approaches to overcome the challenges of cell engineering. We then cover the …
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Computational Study of Colloids in Suspension: Effective Interactions and Phase Transitions
… causes a severe slow-down in simulations of such multi-component systems. Although available computational power continues to increase steadily, modeling such systems can make the simulations prohibitively expensive, so that further progress will critically depend on algorithmic advances. One of …
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