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.
Results
Showing 1 to 20 of 60 for “"direct approach"”.
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Exchanges between hemispheres and gyres : a direct approach to the mean circulation of the equatorial Pacific
… currents along the 165°E meridian with direct shear measurements, and repeat surveys of the western boundary current at 8°N including direct velocity measurements. The repeat survey data are crucial for obtaining a good estimate of the mean conditions in the face of strong annual and …
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WHEN WE WANT DIFFERENT THINGS: SELF-MONITORING AS A MODERATOR OF THE IDEAL STANDARDS MODEL
… (N = 172) completed an online survey. Five approaches to discrepancy were conducted to compare findings across multiple operationalizations. Results revealed that Hypothesis 1 was supported in three of the five methods. Specifically, findings from the ideal standards model replicated using …
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Radiation field for Einstein vacuum equations
… field introduced by Friedlander provides a direct approach to the asymptotic expansion of solutions to the wave equation near null infinity. We use this concept to study the asymptotic behavior of solutions to the Einstein Vacuum equations, which are close to Minkowski space, at null …
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Instabilidade de estruturas metálicas planas compostas de perfis de chapa dobrada
… (tangent method) combined which a direct approach (secant method). The resulting mathematical-numerical model is assessed by experimental results from bending-compression tests perfomed on cold-formed steel columns. The proposed procedure is applied to several practical examples of …
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Adaptive Control of Markov Chains: An Optimization Oriented Approach (Queueing Networks, Stochastic Models, Computer)
… measured by a long run average cost criterion. A direct approach to the optimization of the performance is not feasible. A common procedure calls for an on-line estimation of the unknown parameter and the minimization of the cost functional using the estimate in lieu of the true parameter. This …
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The studio of the painter: process and play
… painting, yet does not always involve the direct approach of paint on stretched canvas. As a result, this project grants status to the accretion of preliminary works as a kind of grand collage of the painter’s studio and is an inventory of such pieces. This investigation is a thorough …
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Employee nonwork support-marshaling: scale development and validation
… on support-marshaling literature to capture direct and indirect behaviors that are enacted either to increase support (i.e., approach behaviors) or to decrease nonsupport (i.e., avoid behaviors). Thus, the scale uses 16 items to measure four dimensions of employee support-marshaling: …
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A Theoretical and Experimental investigation of Nonlinear Vibrations of Buckled Beams
… to predict the correct dynamics. By contrast, direct procedures yield reliable approximate solutions. Starting from these results and extending some of these concepts and procedures, we compare the outcomes of these two approaches (the Galerkin discretization and the direct application of a …
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Three solution techniques for the orbital intercept problem including oblateness effects
… oblate earth are presented. Both iterative and direct approaches for solving the problem were compared in the bases of computational time and relative accuracy of the results. The two iterative methods were found to agree to eight significant figures for all elliptic intercept orbits studied. …
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Protein Contributions of the Male Accessory Organs to the Composition of Human Seminal Plasma as Determined by High Resolution Two-Dimensional Electrophoresis
… in the whole seminal plasma specimen. A more direct approach to accessory organ component analysis involved electrophoresis of semen from patients with known fertility disorders (i.e. reproductive organ dysgenesis or dysfunction), patients who have undergone surgical procedures (varicocele …
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Métodos de redução de base para problemas térmicos em regime transiente com condições de contorno de radiação e convecção
… Ritz methods are most effective than the usual direct approach (α-methods) or classical modal methods. For transient heat transfer including nonlinear material laws, it can be shown that reduction methods, embedded within a trapezoidal rule algorithm for time marching with a Newton-Raphson …
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Solutions of some elastodynamic problems with application to crack propagation
… in conjunction with function-theoretic approach leads to a direct approach to the solutions of two-dimensional problems of mode-I, mode-II, and mode-III cracks in homogeneous solids as well as to the solution of problem of the mode-III interface crack. The technique of self-similar with …
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Nonlinear Vibrations of Doubly Curved Cross-PLy Shallow Shells
… they are developed by using a variational approach. Many approximate shell theories are presented. We used two approaches to study the responses of shells to a primary resonance: a $direct$ approach and a $discretization$ approach. In the discretization approach, the nonlinear …
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Electrophysiological characterization of a mouse deficient for oligophrenin1: a mouse model of X-linked mental retardation
… other clinical features, thus providing a direct approach to study the neurobiology of cognition and pathogenesis of MR. I propose in this thesis to clarify the underlying mechanisms responsible for the learning impairments. My first approach was to investigate the functioning of a neuronal …
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Learning symmetry-preserving interatomic force fields for atomistic simulations
… This thesis examines the construction of a direct approach for learning atomic forces, thereby bypassing the need for learning an energy-based model. Predicting atomic forces directly requires the careful consideration of incorporating the symmetries of 3D space into the model. The …
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The design of multifunctional hydrogel nanoparticles for drug delivery
… were measured, providing a quantitative and direct approach for monitoring nanogel erosion and macromolecule encapsulation. The new particle chemistries demonstrated, together with enabling light scattering methods, will catalyze the development of improved delivery vehicles in the near …
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Metacyclic groups of odd order
… of this thesis is a description of a theoretical approach to the problem for groups of odd order. The first part of the thesis is devoted to the determination of the abstract isomorphism types of metacyclic groups of odd order. We propose (four-generator) presentations for such groups and obtain a …
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Metacyclic groups of odd order
… of this thesis is a description of a theoretical approach to the problem for groups of odd order. The first part of the thesis is devoted to the determination of the abstract isomorphism types of metacyclic groups of odd order. We propose (four-generator) presentations for such groups and obtain a …
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Action of clofazimine on Mycobacterium avium and Mycobacterium intracellulare
… isolated. Their characterization will provide a direct approach towards determining the mode of action of clofazimine in cells.
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