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 46 for “"B&R"”.
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Mathematical Modeling, Simulation, and Time Series Analysis of Seasonal Epidemics.
<p>Seasonal and non-seasonal Susceptible-Exposed-Infective-Recovered-Susceptible (SEIRS) models are formulated and analyzed. It is proved that the disease-free steady state of the non-seasonal model is locally asymptotically stable if <em><b>R</b><sub>v</sub></em> < 1, and disease invades if …
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Rocket Powered Flight as a Perturbation to the Two-Body Problem.
<p>The two body problem and the rocket equation <b>r̈</b> + ∊ α <b>ṙ</b> + <em>k</em>/<em>r</em><sup>3</sup><b>r</b> = <b>0</b> have been expressed in numerous ways. However, the combination of the rocket equation with the two-body problem has not been studied to any degree of depth due to the …
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Searching for B°s [to] J/ψ with the collider detector at Fermilab
This thesis describes a detailed research for the decay B°s (r) J/ψh, within data taken from p collisions at √s=1.8TeV. Proton anti-proton collisions contain many different physics processes. From these processes many are of lesser interest. The trigger logic specific to selecting a sample of data …
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Colors of Kuiper Belt objects : the relationship between KBO colors and Kuiper Belt plane inclination
A large population of small, icy bodies orbits the sun just beyond Neptune, known as the Kuiper Belt. These objects, thought to be the progenitors of short period comets, could provide a sample of primordial material in our solar system, constraining solar system formation models. The colors of …
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Isolation et purification partielle du EF-P et l'étude de son effet sur la synthèse du bien peptidique en présence d'antibiotiques
« Notre but est de vérifier l’existence du EF-P et d’étudier son mode d’action en se basant sur le modèle développé par Dr. B. R. Glick. Pour vérifier son existence on l’a isolé de cellules d’Escherichia coli K12, puis purifié en employant les techniques connues telles que la précipitation au …
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Studies of the inclusive semileptonic decays of the b-hadrons
<p>A detailed description of a new analysis, in which the correlation of the electric charge of the b-quark to that of the lepton is utilized to isolate different decay modes of the b-hadrons, is presented. Using the data collected by the DELPHI detector during the 1994 and 1995 data-taking …
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The information needs of the families of patients with advanced cancer in an acute hospital
A diagnosis of cancer has a major impact on the family as well as the patient. The families of patients with advanced cancer have many needs. In particular, a number of researchers have identified family members' needs for information as a priority. Most of this research, however, has been …
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Extremal and probabilistic bootstrap percolation
In this dissertation we consider several extremal and probabilistic problems in bootstrap percolation on various families of graphs, including grids, hypercubes and trees. Bootstrap percolation is one of the simplest cellular automata. The most widely studied model is the so-called r-neighbour …
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On the primarity of some block intersection graphs
A tactical con guration consists of a nite set V of points, a nite set B of blocks and an incidence relation between them, so that all blocks are incident with the same number k points, and all points are incident with the same number r of blocks (See [14] for example ). If v := jV j and b := jBj; …
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Oxidation addition of H-H bonds to iridium: developing novel active water soluble catalysts for hydrogenation of unsaturates
The oxidative addition of H-H to iridium(l) trimethylphosphine complexes was studied and the reactivity of the resulting water soluble dihydrido iridium (III) complexes was investigated. One Dihydrido iridium(III) complex, mer-Ir(H)₂(PMe₃)₃CI <b>(2)</b> was characterized by ¹H, ³¹p and ¹³C NMR …
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A Three-Dimensional Magnetohydrodynamic Duct Flow in A Non-Uniform Magnetic Field
The theory of three-dimensional magnetohydrodynamic duct flows in uniform magnetic fields is well developed. A corresponding theory for non-uniform magnetic fields does not exist. This study represents the first analysis of a three-dimensional MHD duct flow in which the magnetic field has spatial …
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The effects of atrial repolarization on exercise-induced ST-segment depression in apparently healthy females
The relationship between the PQ-segment slope on ST-segment depression during vigorous exercise was examined in 26 apparently healthy females between 18 and 26 years of age. Each subject performed 2 submaximal cycle ergometer exercise tolerance tests (trial A and trial B) on nonconsecutive days …
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TOPICS IN STOCHASTICS AND STATISTICS: SHOCK CREATION AND DISSOLUTION FOR STABLE AND LINNIK CONSERVATION LAWS AND TARGET STUDENT RECRUITMENT USING PREDICTIVE MODELING
The dissertation consists of two separate parts. The first studies a theoretical problem of creation and dissolution of discontinuities (shocks) for the solutions of nonlinear integro-differential equations with diffusive terms related to the stable and Linnik processes. The second is applied, and …
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A Taxonomy of Computer Attacks with Applications to Wireless Networks
The majority of attacks made upon modern computers have been successful due to the exploitation of the same errors and weaknesses that have plagued computer systems for the last thirty years. Because the industry has not learned from these mistakes, new protocols and systems are not designed with …
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The formation of the schools of design, 1830 - 1850, with special reference to Manchester, Birmingham and Leeds
Although much of the discussion which preceded the formation of the Schools of Design turned on their potential benefit to industry, they were not simply a prototype of technical education, established for commercial reasons. The formation of the schools occurred against. a background of increasing …
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Association Between Walking Speed and Cognitive Executive Function in Community-Dwelling Older Adults
<p>Physical dependency and cognitive impairment are both found to increase with advanced adult aging and a positive association has been established between cognition and physical functioning. This investigation sought to determine this association specific to walking speed. Objectives were to …
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