Global ETD Search
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Showing 1 to 20 of 109 for “"Electricity and Magnetism"”.
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Collaborative CoRe design for year 10 electricity and magnetism: Professional development for enhancing practising science teachers' PCK
… (CoRe) design as a professional learning and development (PLD) intervention for enhancing practising science teachers’ pedagogical content knowledge (PCK) for teaching Year 10 (14-15-year olds) Electricity and Magnetism in New Zealand. There were three case study teachers in this study, …
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An Examination of Student Understanding of the Use of Models in Science and Conceptual Understanding of Electricity and Magnetism
… students' knowledge about models in science and their conceptual understanding with regard to electricity and magnetism. The data for this study was obtained through the administration of two instruments: Conceptual Survey of Electricity and Magnetism, a multiple choice assessment, and …
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Challenges in implementing cross-disciplinary design experiments in a large scale introductory physics class; a case study
… jointly developed by the Electrical Engineering and Computer Science (EECS) and Physics departments and implemented in a large-scale, introductory physics course, 8.02 Electricity and Magnetism, at MIT. These were developed in response to student feedback indicating that overly structured …
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Search for Magnetic Monopoles and Stable High-Electric-Charge Objects in 13 TeV Centre-of-Mass Energy Proton-Proton Collisions with the ATLAS Detector at the LHC
… charge not only restores the symmetry between electricity and magnetism but also provides an explanation for the quantization of electric charges due to a correlation between the magnitude of a magnetic charge and that of an electric charge. Magnetic monopoles do not decays and lose kinetic …
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Science interests of sixth grade students
Authors of some research studies and other concerned citizens have questioned the relevance and appropriateness of the teaching of science as it is currently done for the transescents in the middle schools. Some suggest that teachers merely attempt to teach scientific facts without regard for …
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DIGITAL ANALYSIS OF PULSE CODE MODULATED SIGNALS IN TELECOMMUNICATIONS CHANNELS
… techniques are then applied through the design and assembly of the corresponding hardware. Windowing of data to improve spectral estimation is discussed as well as the conditions where special test signals may be synthesized to preclude the need for windowing. Conjugate-periodic functions …
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Lightning Electromagnetic Pulse Functions and Protecting the Artemis Spacecraft
… waveforms measured near the Artemis spacecraft, and we demonstrate that our functions can meet standard “Component A” specifications more closely than contemporary standards. We work with transcendental equations to peak-correct or “normalize” these functions, then solve for parameters …
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Magnetic Resonance at Electrified Interfaces: Study of Carbon Monoxide on Platinum
… to platinum in an electrochemical environment, and the development of equipment and methodology for the enhanced interface of electrochemical and NMR techniques. In this work, the author shows (using variable temperature NMR experiments) that the electrochemical oxidation process used forms CO …
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Molecule-Based Magnets Constructed From Hexacyanometalates
… transition metal trifluoromethanesulfonate (OTf) and p-toluenesulfonate (OTs) salts: M(OTf)x, where M = VII, VIII, CrII, MnII, CoII, NiII , and Cs, and [M(OH2)n][OTs]x, where M = TiIII, VIII, VIVO, Cr II, CrIII, MnII, FeII, CoII, NiII, and Cs. Also described are preparations of the cyanide …
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Topics in Optimization and Sparse Linear Systems
… Electromagnetics, Ground Water Flow, and Diffusion (with or without reaction) when they are discretized using finite differences. They also arise in discrete problems like Network Flow Problems (Assignment, Maximum Flow, and Minimum Cost Flow), Large Resistive Networks, and Laminar …
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Novel Concepts for Differential -Equation-Based Electromagnetic Field Simulations
… to provide a coordinate-free description and analyze consistency properties of the electromagnetic theory on lattice, for PDE solvers such as the finite-difference, finite-volume or finite-element methods.
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A Study of MLFMA for Large -Scale Scattering Problems
… was studied as far as parallel efficiency and scaling. The large-scale scattering program (LSSP), based on the ScaleME library, was used to solve ultra-large-scale problems including a 200lambda sphere with 20 million unknowns. As these large-scale problems were solved, techniques were …
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A Higher -Order Finite Element: Boundary Integral Method for Electromagnetic Scattering and Radiation From Bodies of Revolution
… is used to compute the radar cross section (RCS) and radiated fields of bodies of revolution (BOR). This is a 2.5-D problem since it allows simulations in a 2-D domain to correspond to a full 3-D object. The interior region, which corresponds to the local near-field of the scatterer/radiator is …
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Multilevel Multipole -Free Fast Algorithm for Electromagnetic Scattering Problems in Layered Media
Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs
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A Finite-Difference Time-Domain Electromagnetic Solver in a Generalized Coordinate System
… structures is developed. This method is simple and flexible; it allows for the simulation of transient wave propogation in a large class of practical structures. Boundary conditions are implemented for perfect and imperfect electrically conducting boundaries, perfect magnetically conducting …
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Electronic and Optical Properties of Thin-Film Superconductors and Superconductor -Semiconductor Interfaces
Application of an external ac field results in steps in the current-voltage characteristics at Vn = nho/2e. Experimental parameters of a highly-doped n+-InAs are used to obtain estimates for future experiments to be conducted to test the predictions of the model.
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A Higher-Order Finite Element Method for Computing the Radar Cross Section of Bodies of Revolution
… functions for the &phis; component of the field and vector basis functions for the transverse component of the field. Higher-order basis functions are used to improve the performance of the FEM code. The mesh is truncated using two methods. The first method is the perfectly matched layer (PML). …
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Liquid-Phase Epitaxial Growth and Properties of Indium-Gallium-Phosphide and Indium-Gallium Phosphide-Arsenide Injection Lasers
Made available in DSpace on 2015-05-13T15:21:57Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7606798.PDF: 3791228 bytes, checksum: f8c19a609446fb74d6eea0f1f0990f94 (MD5) Previous issue date: 1975
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Hall Effect in Insulating Photoconductors
Made available in DSpace on 2015-05-12T17:11:45Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0006974.PDF: 5827663 bytes, checksum: f653ba58295d9ef9a3b12caea9d2074d (MD5) Previous issue date: 1953
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