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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Физика и энергетика
  • 241. Maxwell Duality, Lorentz Invariance, and Topological Phase

    The Maxwell electromagnetic duality relations the Aharonov-Bohm, Aharonov-Casher, and He-McKellar-Wilkens topological phases, which allow a unified description of all three phenomena. Two experimental schemes for measuring the He-McKellar-Wilkens phase.

    статья (115,6 K)
  • 242. Mean-field approximation for finite nuclei and nuclear matter

    A study of the incidence set the value of Skyrmeparameters. Characteristic of the radii of the valence neutrons orbits in the mode energy of multiple cores. How to limit values Skyrme parameters. Sketch of the contemporary state of nuclear matter.

    статья (291,2 K)
  • 243. Measurement of plastic strain of polycrystalline material by electron backscatter diffraction

    Quantification of plastic strain by crystal orientation. Crystal orientation distribution and calculation of crystal deformation. Influence of the EBSD system. Relation with plastic strain. Misorientations from central orientation in each grain.

    статья (672,3 K)
  • 244. Measurement of the geomagnetic field in the ionosphere using radar methods

    The short life span of satellites - the reason of the complexity of the observation region of the ionosphere near the ionospheric peak. The features of the use of the Faraday effect for measuring the geomagnetic field using incoherent scatter radar.

    статья (573,6 K)
  • 245. Measuring chain for checking the vibration of mechanical parts

    Analysis of the measuring circuit to check the vibration of mechanical parts. Features of the development of a system that can timely identify a problem that could destroy the device. Familiarity with the reasons for the growing demand for equipment.

    статья (1,9 M)
  • 246. Method to increase the energy efficiency of household refrigerating appliance

    Development of a method for increasing the energy efficiency of a household refrigerator by intensifying the process of heat removal from the refrigeration unit with modern fans for blowing the surfaces of the compressor and condenser unit of the device.

    статья (178,3 K)
  • 247. Methodological approach and treatment algorithms for pal data of nanomaterials using computer-based systems

    Development of a modified computerized system for experimental study of adsorption-desorption processes and defects in ceramics. Using the mathematical data processing positron annihilation spectroscopy. Learning speed capture of positrons by defects.

    статья (671,1 K)
  • 248. Metodics of calculate of a scalar approximation the distribution of a gluon condensate in a glueball

    The determination of condensates as one of the problems in a nonperturbative quantum chromodynamics. Glueball - the nonlinear properties of gluons create the possibility of a color-neutral state. The physical significance of effective Lagrangian.

    статья (789,1 K)
  • 249. Microaccelerations as a factor of cosmic space

    Analysis of microacceleration as an integral factor of near-Earth space. Classification and features of microaccelerations as an object of study. Selection of the microacceleration component, which can be controlled by optimizing the construction scheme.

    статья (261,3 K)
  • 250. Microstructure formation in the framework of the non-local theory of interfaces

    A new hydrodynamic theory. The structure formation in deformed materials. Self-consistent non-local formulation of the boundary-value problem for a high-strain-rate process. A penetration for a flat rigid plate into a viscous elastic medium.

    статья (176,5 K)
  • 251. Microwave electronics based on electron beam transverse waves using (state-of-the-art and perspective. Russian experience)

    In microwave systems of radio-location, communication and navigation the strictest requirements are placed on a powerful output amplifier and a low-noise input device. For the output amplifier the linearity must be combined with a high level of power.

    статья (830,8 K)
  • 252. Mode hopping and carrier density fluctuations in semiconductor lasers

    Characteristic features of the effect of noise on the power and polarization characteristics of semiconductor lasers within the scope of our earlier model which considers polarization switching. Research and analysis of results of numerical simulation.

    статья (310,2 K)
  • 253. Model of organization of the epitropic liquid phase

    Molecular–statistical model of the organization of the epitropic liquid-crystal phase. The experimental temperature dependences of the thickness of the epitropic liquid crystalline layers nitroben zene on quartz. The thermodynamic model parameters.

    статья (293,6 K)
  • 254. Model-independent description of the light nucleus-nucleus elastic scattering at intermediate energies

    Propose a new approach, based on the evolutionary algorithm, which enables to extract a scattering matrix S. Consideration of the model-independent definition scattering matrix. Study the basic aspects of the independence of the final S-matrix forms.

    статья (318,0 K)
  • 255. Modeling and validation of loose coupler by using DGS in branch line coupler

    Used branch-line coupler with rectangular ring headed dumbbell shape DGS. Requirement of the high impedance line section. Implemented the high impedance line section. Used of the DGS section to control the characteristic impedance of microstrip line.

    автореферат (749,4 K)
  • 256. Modeling of electromagnetic processes in electrotechnical complexes for reducing residual stresses

    The resulting electromagnetic field is the superposition of electromagnetic fields was found. It was determined the instantaneous electromagnetic force affects the non-ferromagnetic conductive disc and consequently the pressure force of the electrode.

    статья (339,3 K)
  • 257. Modeling of the process of ash removal from gas in a Venturi scrubber with regard for the turbulent fluctuations of particle velocity

    Description of models of gas purification from suspended solids in аVenturi scrubber subject to the pulsations of the gas flow. Development of a method of calculating the slip velocity between the fractions of particles including vibrations and movement.

    статья (441,2 K)
  • 258. Modelling of three dimensional electromagnetic field distribution in the active part electromechanical disintegrator

    The acquaintance with the peculiarities of the spatial distribution of electromagnetic fields. The characteristic features of Electromechanical disintegrator. Consideration of methods of distribution of eddy currents in the working conductive camera EMD.

    статья (803,5 K)
  • 259. Models aggregation in electronic devices computer-aided systems

    Mathematical description of aggregated models. The essence of the concept of estimating electronic circuits. The list of principles of computer-aided design of semiconductor electronics. Influence of the aggregation problem on parametric synthesis.

    статья (396,0 K)
  • 260. Modern Circuit Breaker Protection and Control

    Breaker protection and control architecture. Modern microprocessor-based relay protection and automation devices. Notion of intelligent electronic devices. Advanced breaker protection and control diagnostic. Blocking functions in breaker protection.

    статья (265,4 K)
  • 261. Modifications of the Lorentz Force Law Complying with Galilean Transformations and the Local-Ether Propagation Model

    Model of the electromagnetic force. Lorentz Force Law in Potentials. Augmented Potentials, Electromagnetic Force Law. Augmented Potentials under Neutralization. Force Law under Low-Speed Condition. Sagnac Effect and Galilean Relativity. Extra Force Terms.

    статья (122,8 K)
  • 262. Monitoring of natural radioactivity in manganese ore

    The assessment of radiological hazard to the workers involved in manganese mining, industrial applications in Egypt. The natural radionuclides contents of manganese have been determined by low background spectroscopy using hyper-pure germanium detector.

    статья (332,6 K)
  • 263. Monte Carlo evaluation of the radiation shielding efficiency of laminated composites under electron and photon irradiation

    Features of electronic radiation by using the Monte Carlo method in terms of the asymmetry of the protective values of bimetallic dual layer system. The calculation of the dose over protective structure, its application for weight and size protection.

    статья (607,0 K)
  • 264. Monte-Carlo simulation of response of CdZnTe detectors of betaradiation

    Study of response function of CdZnTe detector to measure the energy spectra of electrons. The calculation of spectra by the Monte Carlo method. The use detector model fitting parameters: products of mobility on the average lifetimes of electrons, holes.

    статья (349,5 K)
  • 265. Multidimensional relay protection architecture

    Setting relay protection operate areas and blockings, summarizing settings calculation algorithm. Concept subspace aggregate as real or complex signal. Unconventional approach to data conversion and overcoming opposition of а- and b-conditions.

    статья (463,6 K)
  • 266. Multigradient of fields in the array of rotor screwing electromechanical converte

    Familiarity with the distribution characteristics of eddy currents in a hollow perforated rotor polyfunctional Electromechanical transducer. General characteristics of laws of spatial distribution of current density in a hollow perforated rotor.

    статья (428,0 K)
  • 267. Multilevel converters for microwelding based on m-ary system

    Multilevel converter constructing and functioning principles. Method of current forming for contact microwelding equipment allows significant decreasing of cells and switches quantity, increasing of energy efficiency with high quality of welded joint.

    статья (300,2 K)
  • 268. Mоделирование сверхмедленных контуров в системах pеального времени энергосетей

    Моделирование - часть сквозного автоматизированного проектирования. Предложение способа устойчивого совместного моделирования объектов управления и устройств релейной защиты и автоматики при малом времени единичного расчета. Совершенствование алгоритмов.

    статья (1,0 M)
  • 269. Nanomagnetite Synthesis via Co-precipitation of Iron Salts by Potassium and Ammonium Hydroxides

    Magnetite nanoparticles were synthesized via co-precipitation of iron (II) and iron (III) salts by potassium hydroxide or ammonium hydroxide in aqueous solution. Magnetic properties of magnetite nanoparticles were investigated by magnetometry method.

    статья (363,3 K)
  • 270. New approach to interpretation of the nature of the Navier-Stokes equation and its solution

    Analyzed of the fundamental ideas of mathematical physics, which are accepted as the foundation in the attempt to solve the Navier-Stokes. Characteristic of the equations of dynamics of Hamilton. Completed the principal part of empirical physics.

    статья (82,8 K)

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