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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Физика и энергетика
  • 151. Illustrations of the Relativistic Conservation Law for the Center of Energy

    A Generators of the Poincare Group for Electromagnetism. Derivation of the Center-of-Energy Law. Conservation Laws in the Presence of External Forces on Particles. Quasi-static Changes for Stationary Systems. Single Point Mass. Parallel Plate Capacitor.

    статья (166,4 K)
  • 152. Impact of clusters Ni-B on the photocatalytic properties of TiO2 nanopowdersw

    Analysis of the possibility of changing the absorption spectra of photocatalytic nanopowders TiO2 to increase the efficiency of the reaction. Development of original nanotechnology deposition of Ni-B clusters on the surface of nanoparticles of powders.

    статья (68,4 K)
  • 153. Impedance of Photosensitive Nanocrystalline PbTe(In) Films

    The temperature and frequency dependences of the impedance components of PbTe(In) nanocrystalline lms within the frequency range of 20 Hz–1 MHz in the temperature interval of 4.2–300 K in darkness and under illumination. The lms on a glass substrate.

    статья (299,2 K)
  • 154. Importance of the electricity in human life

    The study of electricity as a key component of modern technology. The activities of the American inventor and scientist Benjamin Franklin, the place and importance of electricity in our daily lives. Characteristics, features of DC and AC motors.

    реферат (13,9 K)
  • 155. Improvement of Transients’ Parameters Evaluation Algorithms for Relay Protection and Automation with Use of Modern Methods of Digital Signal Processing

    Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.

    статья (547,8 K)
  • 156. Induction heating of rotating nonmagnetic billet in magnetic field produced by high-parameter permanent magnets

    Simulation through software Agros2D progressive method of induction heating of nonmagnetic billets rotating in a stationary magnetic field produced by a stationary high coercive permanent magnets attached to the magnetic core corresponding form.

    статья (558,6 K)
  • 157. Influence of Electron Irradiation on Optical Properties of ZnSe Thin Films

    Analysis of the results of irradiation of thin films of zinc selenide 500 nm thick by an electron beam and their deposition by evaporation. Analysis of the optical properties of both irradiated and untouched samples using an ultraviolet spectrophotometer.

    статья (402,2 K)
  • 158. Influence of magnetic pulseprocessing on oxide materials physics and mechanical properties

    Factors that reduce the strength properties of ferromagnetic iron oxides impurities of oxides of stoichiometric composition, etc. Using Mossbauer spectroscopy and x-ray diffraction analysis to determine the effects of magnetic pulses on iron oxides.

    статья (386,5 K)
  • 159. Influence of Polymer Coatings on the Carrier Life Time in Solar Silicon Crystals

    Acquaintance with the features of the influence of polymer coatings on the lifetime of carriers in silicon crystals used in solar energy. General characteristics of the conditions of magnetic and X-ray exposure, analysis of electrophysical parameters.

    статья (206,7 K)
  • 160. Influence of the Fluctuations of the Temperature on the Quasi Equilibrium Condensation

    Lorenz system a model, that allows to describe the behavior of the plasma-condensate system near phase equilibrium. Influence of the fluctuations of the growing surface temperature the evolution equation and the corresponding Fokker-Planck equation.

    статья (389,9 K)
  • 161. Installation for resonance spectroscopy of radioactive light nuclei

    Design of the experimental setup, depending on the time of flight fragment separator COMBAS and multi-channel recording system developed for the study of light exotic nuclei. The use of precise correlation method for resonance spectroscopy collapse.

    статья (399,6 K)
  • 162. Insulation materials

    Material or article used for heat insulation of buildings, structures, industrial equipment, and transportation vehicles. Main indicator of the quality of an insulating material. Mineral wool and articles made from it, lightweight and cellular concretes.

    статья (14,4 K)
  • 163. Integrated computer-aided design system of wind power plant

    Technological features of modeling wind turbines. Development of optimal physical and mechanical parameters for the design of the power plant equipped with an automated control system. Acquaintance with the results of the aerodynamic rotor testing.

    статья (1,1 M)
  • 164. Intelligent system for diagnostics of power transformer equipment

    The structure of the intelligent diagnostic system for power transformer equipment. The use of zeolite as a "drier" in the molecular sieve. Parameters of the moisture management system. Dehumidification of the insulation of oil-filled transformers.

    статья (73,4 K)
  • 165. Interaction potential вetween тwo аxially symmetric nuclei

    An overview of the potential energy of the strained randomly-oriented nuclei and their properties in the entrance channel, where the thermonuclear reaction, causes of superheavy elements. The essence of interaction deformed axially symmetric nuclei.

    статья (410,2 K)
  • 166. Introduction to the analysis of the bifurcation phenomena in an optical waveguide with statistic irregularities

    A method of a research of irregular multimode optical waveguides as nonlinear dynamic dissipative systems. The scattering of a controlled mode as a process of transition of a certain dynamic dissipative system from an "ordered" state to a "chaos" state.

    статья (258,8 K)
  • 167. Invalidation of the Kelvin Force in Ferrofluids

    Direct 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 (237,4 K)
  • 168. Investigation jf two slag samples using k0 neutron activation analysis through different standardization methods

    The studying of the accuracy and precision of internal comparator k0 and external comparator k0 methods in industrial application. Instrumental neutron activation analysis and determination of concentrations of major elements in two slag samples.

    статья (293,8 K)
  • 169. Investigation of aerodynamic performance on low-aspect-ratio wings at low Reynolds numbers

    The aerodynamic properties of the wing (drag, lift-to-drag ratio and induced drag) were investigated experimentally. Two forms of nonlinear equations of lift curves. Flow visualization in observing the influences of tip vortices shed from the wing tips.

    статья (417,0 K)
  • 170. Investigation of functionals of neutron flux influencing onto VVER-440 reactor pressure vessel

    Terms irradiation reactor VVER-440 in the presence and absence of cassettes screens at the periphery of the core. Distributions of functionals of the neutron flux on the inner surface and in the bulk metal reactor fuel in different variants of downloads.

    статья (224,6 K)
  • 171. Investigation of some features of the movement of surface waves and their interaction with the surface objects´ bases and foundations providing seismic safety

    The features of surface waves motion and the analysis of methods for finding the timing and patterns of change in motion R-waves along the free surface. The calculate time - frequency performance under different formulas and compared with each other.

    статья (516,9 K)
  • 172. Ion transport into plant cells by a magnetic field

    The effect of magnetic field on the transport of ions in plant cells are shown in the article. The interrelation between the changes in the concentration of ions in the plant cell with magnetic treatment and magnetic field parameters has been established.

    статья (213,9 K)
  • 173. Iмовiрнiстно-феноменологiчний пiдхiд у статистичнiй фізиці фрактально неупорядкованих конденсованих середовищ

    Формалізм рівноважної статистичної фізики неупорядкованих конденсованих середовищ, що з геометричної точки зору являються стохастичними фракталами. Статистична механіка флуктуацій фізичних полів на структурах. Оцінка гіббсівських розподілів ймовірностей.

    автореферат (99,4 K)
  • 174. Kinematic physics

    Motion along a straight line. The displacement of a particle is a vector quantity. The magnitude of the force. Kinetic energy and work. Potential energy and conservation of energy. Center of mass and linear momentum. Rolling, torque and angular momentum.

    тест (2,0 M)
  • 175. Kinetics of the Active Nanoparticles

    Studying the behavior of active nanoparticles ensemble within the framework of canonical approach, taking into account the internal energy. Applying the anharmonic representation of the Hamilton function and analysis the kinetics of the self-assembly.

    статья (400,1 K)
  • 176. Laser Beams and Resonators: The 1960s

    Study of the history of origin of the basic concepts of optical resonators and lensguides, development of new concepts and still further knowledge in this area in the first decade of the laser era. The technical aspects of optical beams and resonators.

    статья (163,7 K)
  • 177. Laser beams and their effect on biological skin tissue

    Laser as a distinctive type of optical light with special characteristics that combine wavelength, direction and similarity. The use of the laser as the most effective type of physical effect in medicine, especially in the treatment of skin lesions.

    статья (21,1 K)
  • 178. Levitation of conductors in an oscillating magnetic field

    A transit time of light through the system. The magnetic field oscillations. The studying a Faraday’s law. The resistance of an electric wires and contacts. Levitation of conductors in an oscillating field. Methods for choosing the discrete differences.

    лабораторная работа (1,3 M)
  • 179. Levitation of conductors in an oscillating magnetic field

    The 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 (510,4 K)
  • 180. Log periodic bow-tie antennas (LPA) design using the transmission line model

    A transmission line model is used to design log periodic of bow-tie antennas arrays operating in C band fed in series with enhanced bandwidth. The transmission line model is simple, precise and allowing taking into account the whole geometrical, electric.

    статья (1,8 M)

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