Fundamentals of Geophysics
Geophysical methods: seismic exploration, gravity, magnetic and electric prospecting. The inverse and the direct problem in geophysics. Permanent or electric parameters of the alternating electromagnetic field. Longitudinal and transverse waves.
Подобные документы
The classical electromagnetic interaction of a point charge. The Darwin-Lagrangian and electromagnetic fields. Two-particle model for a magnetic moment. Conservation laws and transition to a multiparticle magnet. Forces in the multiparticle limit.
статья, добавлен 11.09.2012Describing space-time evolution of electric charge induced in dielectric layer of simulated metalinsulator-semiconductor structures due to irradiation with X-rays. The system of equations used as a basis of the simulation model is solved iteratively.
статья, добавлен 30.07.2016Study of effective ground fault detection. Analysis of single phase ground faults in mine cables and ways of their identification. Analysis of method based on measurements of variation of the fault resistance value and associated electromagnetic noise.
статья, добавлен 08.02.2017Analysis of physical processes that may cause the fragility and destruction of the lava-like fuel containing materials of 4-th unit of Chernobyl Nuclear Plant. Analysis of influence of electric fields arising in medium with incorporated radionuclides.
статья, добавлен 27.06.2016The history of the effects of the first induction motor. Record status induction improvements and the development of three-phase asynchronous motors. The use of electric motors in modern technology. Features of the nature of induction machines.
реферат, добавлен 03.04.2014Adjustable electric drive system based on an asynchronous motor with open windings, powered by two paired inverters, regulated in accordance with synchronous vector modulation algorithms. Modeling systems with different types of vector modulation.
статья, добавлен 02.02.2019The procedure of creation, check and adjustment of detailed dynamic model of an electric power system. Criteria of verification and quality indicators of authenticity of dynamic models. Definition of sizes of the measured meanings of voltage frequency.
статья, добавлен 23.06.2013The phase shift how a result of the self-inductance of the current loops within the conductor. Levitation of conductors in an oscillating magnetic field. The studying phenomenon the self-inductance of an aluminum ring from measuring the vertical force.
лабораторная работа, добавлен 26.05.2014Important properties of the system power supply. The value of renewable energy to be able to supply electricity when demand is high. Requirements for various energy storage applications, the ability of existing technologies. Energy storage technologies.
статья, добавлен 26.12.2012Propagation of radio waves in an inhomogeneous atmosphere. Consideration of the principles of field strength attenuation and classification of the main models of radio routes. Attenuation of radio waves in conditions of dense development in megacities.
статья, добавлен 23.10.2020Infinitesimal transformations, Maxwell tensor and electromagnetic forces. The Maxwell field tensor. Integral curves associated with the equations of motion and the end of the Lorentz transformation. Electromagnetic force and geometry of space-time.
статья, добавлен 11.09.2012Direct and unambiguous experimental evidence for the magnetic force density. Schematic representation of the experiment, a pen-dulum deflected by a magnetic force. Magnetization of a typical ferrofluid. The table of data of the employed ferrofluids.
статья, добавлен 11.09.2012The discovery of giant magnetoresistance in multilayers - the reason of stimulation of search this phenomena in film systems. Analysis a phenomenological theory that describes qualitatively the dependence of the sensitivity to the magnetic field.
статья, добавлен 30.07.2016The energy-momentum distribution and the mechanical forces of the electromagnetic field in material media. The discussion of the energy-momentum tensor in macroscopic electrodynamics. The Maxwell stress tensor. Electromagnetic force in James’ experiment.
статья, добавлен 11.09.2012The analysis of indicators of quality of electric energy in the foundry. Power quality in combination with other factors result in economic losses. Regulation of voltage deviation is performed by off-load tap changer transformer load tap changer shop.
автореферат, добавлен 30.04.2018Analysis of the structure of the electromagnet. Features of the equivalent circuit of the electromagnet. Stages of the calculation of the magnetic flux and the electromagnetic force. Consideration of ways to determine the electromagnetic forces.
реферат, добавлен 04.09.2012Invariant formulation of the Lorentz transformation. Derivation of the Lorentz force law and the magnetic field. The time component of the relativistic generalisation of the Lorentz force law. The time component of newton’s second law in electrodynamics.
статья, добавлен 11.09.2012Features of the use Gauss law. System with two line charges. The potential from both line charges is a superposition of both potential. Since the system has a high symmetry, may to use Ampere's law. Choice of the Ampere loop. The magnetic field.
реферат, добавлен 26.05.2014The force on a macroscopic polarizable body in an inhomogeneous electromagnetic field is calculated for simple exactly solvable situations. Different approaches pinpoint possible pitfalls and resolve recent confusion about a force density in ferrofluids.
статья, добавлен 11.09.2012Maxwell’s equations and the equations governing charged particle dynamics. The relevant entities in these equations. Ambiguities in the definitions of the electromagnetic fields. A related term in the energy equation. Geodesics and Lorentz force.
статья, добавлен 11.09.2012A formal result of the longitudinal force acting on a moving potential. The equivalence between the adiabatic perturbation theory and the kinetic theory for the longitudinal force in the dilute gas limit. The longitudinal force. Long-ranged potentials.
статья, добавлен 11.09.2012The essential elements of the Marinov motor. Derivation of the net force driving the rotor. Force of induction from Weber electrodynamics. Forces on electron currents in a metal yield a ponderomotive force. Electromotive versus ponderomotive force.
статья, добавлен 11.09.2012Particularly testing for the existence of the Aharonov-Bohm effect with electronics holography. A cross-sectional diagrams of an electron microscope with cooling apparatus. Consideration of the value of the electromagnetic potentials in quantum mechanics.
статья, добавлен 11.09.2012The study of magnetite particle of the obtained magnetic liquid by X-ray diffraction analysis and transmission electron microscopy. Electrical conductivity and magnetic susceptibility of magnetic liquids. Changes in the electrical conductivity of samples.
статья, добавлен 19.02.2021- 75. Quantum optics
The study of the quantum nature of light and its interaction with matter. Mixed States of the electromagnetic field and electrodynamics in the frequency domain. The concept of probability and random variables. Experiments in optical homodyne tomography.
монография, добавлен 08.03.2014