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сколько стоит заказать работу? коллекция "otherreferats"
Главная Коллекция "Otherreferats" Физика и энергетика
  • 241. Identification of maximum inaccuracyof toolmakers microscope

    Description of examined toolmakers microscope. Printed circuits boards’inspection via using of microscope. Calibration of optical toolmakers microscope, calibration ruler and MultiScale Micrometer for Microscope. Basic parts of Toolmakers microscope.

    статья (7,4 M)
  • 242. Identification of modal parameters using Kalman filter

    An analysis of the methodology for identifying the modal parameters of a dynamic system of structures using the Kalman filter, which is a powerful tool of modern control theory. Evaluation of the effectiveness of the method for identifying the structure.

    статья (392,8 K)
  • 243. III Научная революция. Возникновение и развитие квантовой физики

    Изучение процессов излучения тел. Формулировка гипотезы квантов энергии. Теория атома Н. Бора, принцип соответствия. Создание нерелятивистской квантовой механики. Методологические установки неклассической физики. Причина корпускулярно-волнового дуализма.

    реферат (18,1 K)
  • 244. Image forces in physics and chemistry of surfaces: certain fundamental aspects

    Analyze the occurrence and role of image forces in physics and chemistry of surfaces. It is shown that a prima facie simple concept of classical electrostatics has a very complicated background of diverse many-body phenomena. Focusing on dynamic effects.

    статья (285,7 K)
  • 245. 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)
  • 246. Impact of efficient use of frequency converters on reducing industrial energy consumption

    A technological overview and examination of the types of frequency converters and their applications in various industries. Ways of improvements in power electronics, control algorithms, and materials, innovations in enhancing energy efficiency.

    статья (55,0 K)
  • 247. 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)
  • 248. 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)
  • 249. Improvement of Front Side Contact by Light Induced Plating of c-Si Solar Cell

    Familiarity with the features of improving the contact of the front side with the light induction of the solar battery c-Si. Screen printing technology using silver paste as one of the established industrial processes for the production of a solar cell.

    статья (1,0 M)
  • 250. 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)
  • 251. 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)
  • 252. 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)
  • 253. Influence of magnetic field on thermal coefficient of resistance of the granular film alloys

    The 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 (343,9 K)
  • 254. 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)
  • 255. 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)
  • 256. 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)
  • 257. Influence of the thermal factor on the structural and substructural states of the quasi-binary tic-wc system ion-plasma coatings

    Analysis of the deposition temperature of TiC-WC quasi-binary system ion-plasma coatings (magnetron scheme) of different composition. Extension of structural, substructural States in terms of non-equilibrium producing a material of the ion-plasma flows.

    статья (785,4 K)
  • 258. Influence of thermal factor and radiation processing on the structure and stress state of TiC-WC system ion-plasma coatings

    Establishing the regularities of the thermal factor and radiation processing influence on the structure of ion-plasma coatings received by magnetron sputtering of quasi-binary WC-TiC system. Creation and use in practice ion-plasma multilayer coatings.

    статья (739,2 K)
  • 259. Information Supply for a Monitoring System of the Distributed Parameters of Power Lines on the Basis of Reflectometers

    Principles of construction of a monitoring system. Appearance of the reflectometer ALIMP. Application of the complex modulated signals. Algorithms of processing of the information. Block scheme of power lines monitoring on the basis of the devices ALIMP.

    статья (908,1 K)
  • 260. Innovative control mechanism of the fuel and energy complex of Ukraine

    Development of an innovative mechanism for the management of the fuel and energy complex in Ukraine, which can become a source of economic growth, especially in the context of the modern paradigm of sustainable development and limited natural resources.

    статья (487,7 K)
  • 261. 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)
  • 262. 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)
  • 263. 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)
  • 264. Integrated resilient strategies of renewable power generation and distribution

    Finding ways to save energy and improve the energy efficiency of production. Development of the latest renewable sources. Development of the photovoltaic industry, increasing the output power of solar batteries. Reduction of carbon dioxide emissions.

    статья (28,1 K)
  • 265. 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)
  • 266. 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)
  • 267. Intrinsic ferromagnetic behavior in Fe-doped Cu2O octahedra due to cation vacancy defects

    Semiconductor nanomaterials - very useful in various types of applications as electronic and optical properties. The features of ferromagnetism in copper oxide material without magnetic impurities due to defects created by the deficit of cations.

    статья (573,6 K)
  • 268. Intrinsic point defects in anisotropic crystalline systems (quasi-two NbSe2 and quasi-one NbSe3)

    Heat treatment of single crystals of NbSe2 and NbSe3. The complex investigation of the temperature dependences of resistance NbSe3 and NbSe2 in different environments in the field of 300-550 K. The relative change of the linear dimensions NbSe2.

    статья (403,4 K)
  • 269. 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)
  • 270. 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)

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