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 44 for “"and Cycles"”.
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Entropy and cycles
This body of works subject and focus point is the cyclical nature of matter and the forces therein. There have been explorations of this concept on all fronts including metaphysical philosophy, science, and art. It is the recurring realization of matter as a cyclical form being driven by unseen …
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Wages, growth and cycles in the Brazilian economy
… prescribe the optimal allocation of resources and full employment of factors of production. Supposedly, a higher rate of economic growth is reached by this development model. This dissertation criticizes this view, using the argument that the Brazilian economy does not operate with optimal …
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Three essays on research and development, growth and cycles
… expenditure has often been subject to fragmented and partial analyses embedded in wider questions in macroeconomic theory. I combine some of these approaches to create a unified framework under which the relationship between business cycles, economic growth and R&D expenditure can be analysed. In …
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The sources and cycles of iron and manganese in surface water supplies
Evaluation of the sources and cycles of water quality contaminants in watersheds is critical for effective surface water resource management. In particular, iron (Fe) and manganese (Mn), commonly found in rocks and sediments, have adverse impacts on water quality. However, controlling Fe and Mn in …
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Graph Theory for the Secondary School Classroom.
<p>After recognizing the beauty and the utility of Graph Theory in solving a variety of problems, the author decided that it would be a good idea to make the subject available for students earlier in their educational experience. In this thesis, the author developed four units in Graph Theory, …
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The induced path number of complementary prisms
… a graph G is formed from the disjoint union of G and its complement G by adding the edges of a perfect matching between the corresponding vertices of G and G. The induced path number, denoted ρ(G), of a graph G is defined as the minimum number of subsets that the vertex set of G can be partitioned …
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An investigation on the removal of escherichia coli by ion exchange resins
… was to evaluate the ability of typical cation and anion exchange resins to remove Escherichia coli from water. The objective was to obtain a method of purifying slightly polluted, private well water supplies. The investigation consisted of passing water samples, inoculated with known …
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Edge-packing by isomorphic subgraphs
… for several guest graphs (stars, paths and cycles) and host graphs (arbitrary graphs, planar graphs and trees). We give polynomial-time algorithms when G is a 2-path or when H is a tree; we show the problem is NP-complete otherwise. Also, we propose straightforward greedy polynomial-time …
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Categorization and analyzing linked structures
In this thesis, we categorize linked structures and linked substructures each into four groups based on two attributes, sharing and cycles. We show that these two attributes can be determined at compile-time by augmenting any store-based analysis with heap reference counts and the missing link …
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A q-analogue of spanning trees : nilpotent transformations over finite fields
… relationship between nilpotent transformations and spanning trees. For example, nilpotent endomorphisms on an n-dimensional vector space over Fq is a q-analogue of rooted spanning trees of the complete graph Kn. This relationship is based on two similar bijective proofs to calculate the number …
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Generalized inverse limits and the intermediate value property.
We introduce and discuss various notions of the intermediate value property applicable to upper-semicontinuous set-valued functions f : [0, 1] → 2^[0,1]. In the first part, we present sufficient conditions such that an inverse limit of a sequence of bonding functions of this type is a continuum. In …
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Accelerating cleantech hardware product development
… have historically had poor return on investment and high failure rates when compared with the medical or software sectors. One reason given for the disappointing outcomes of many Cleantech companies is slow product development (PD) and cycles of learning. In this thesis, I explore the major …
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Degree Ramsey theory, game and Roman domination, and game saturation in graphs
… degree. We focus on finding such hosts for trees and cycles. In Chapter 3 we consider the ""on-line"" version of this problem. We model this variant using a game in which a player constructs the host graph edge by edge in response to the actions of an adversary. Again we focus on constructing …
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Optimization and network sensitivity analysis for process retrofitting
… chemical plant to find new configurations and optimal operating conditions. In the chemical industry, 60% of new capital investments in plants and equipment are retrofitting projects, while only 10% goes to building new plants. Investment in retrofitting amounted to $26 billion in 2000. …
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Cyclic matter(s) in architecture
… state of change, part of a cycle of death and new life, of destruction and reconstitution. From geophysics to cellular biology, processes across scales exhibit cyclic behavior, providing a framework toward understanding both the physical and the metaphysical potential of death as a process. …
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Schumann and the Development of the Collaborative Relationship between Voice and Piano in Opus 48 Dichterliebe
… in informed decisions as to his choice of poetry and treatment of each poem within his songs and cycles. Schumann's first foray into lieder in 1827-28 was followed by an over ten year hiatus from lieder composition. During this time he seemed to have a disdain for vocal writing thinking it to be …
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Matchings, Connectivity, and Eigenvalues in Regular Graphs
We study extremal and structural problems in regular graphs involving various parameters. In Chapter 2, we obtain the best lower bound for the matching number over $n$-vertex connected regular graphs in terms of edge-connectedness and determine when the matching number is minimized. We also …
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Real-time measurement of oxides of nitrogen from heavy-duty diesel engines
New emissions regulations and performance requirements imposed on modern diesel engines encourage the development of improved tools for emissions measurements. This study investigated one of the improved tools for NOx emissions measurement. Objectives of this thesis included measurement, comparison …
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Intolerância alimentar após Bypass Gástrico em Y de Roux e sua correlação com a ingesta proteica e eficiência mastigatória
… with masticatory efficiency, chewing time and cycles, and consumption of protein and red meat. Methods: Casecontrol study in subjects with and without food intolerance (regurgitation and/or vomiting more than once a week), aged over 18 years-old, who underwent RYGB more than 2 years …
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Envisioning innovation : the communication of technological change through graphic representation
… have been adopted by policy-makers, the media and businesses. However, there has been little research on the extent of their usage or effectiveness ex-academia. In addition, innovation theorists have ignored this area of study, despite the communication of information about innovation being …
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