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коллекция "revolution"
Главная Коллекция "Revolution" Физика и энергетика
  • 391. Thermodynamics of fragmentation of solids at severe plastic deformation

    The study the fragmentation of solids during the process of severe plastic deformation using the Landau theory of phase transitions. Review of appearing defect structures of grain. Thermodynamics of fragmentation of solids at severe plastic deformation.

    статья (566,6 K)
  • 392. Thermoelectric properties of compacted micro- and nanodisperse graphite materials

    The calculation of the Seebeck coefficient for carbon deposits containing multi-walled carbon nanotubes, compacted nanofibers, nano- and ultradisperse amorphous carbon. Characterization of the mechanism of hopping conductivity of compacted materials.

    статья (279,4 K)
  • 393. Thickness dependent structural, magnetic and transport properties of Cu / Co thin film and multilayer structures

    Structural, magnetic and transport properties of electron beam evaporated, its multilayered structure. Determination of changes in the crystal structures for different sub-layers. The description of the particle size and the value of the coercive force.

    статья (367,5 K)
  • 394. THz emission from dipolariton systems

    Terahertz emitters - polaritonbased devices, where signals are generated from transitions between upper and lower polariton branches or bosonic cascade lasers. Band diagram of the double quantum wells system. Energy diagram of the dipolariton system.

    статья (640,5 K)
  • 395. Time tensor and anisotropic vacuum. The building of unified field theory program

    Maxwell’s equations with a glance of anisotropic vacuum. The approximation of the weak anisotropy in charges’ absence condition. Methods of analysis a dependence of a light’s speed on polarization. The material equations in case of the time tensor.

    доклад (256,2 K)
  • 396. To the question about electromagnetic compatibility and electrical installation resources

    Issues of scientific justification of electromagnetic compatibility assurance links, reliability theory and resources in the creation and operation of electrical complexes in electric power networks and systems. The increase in resource of electrical.

    статья (43,0 K)
  • 397. To the question of gravitation

    Atomic-molecular structure is unified for matter, the gravitational and electromagnetic fields must have a single structure, which differs in quantitative characteristics . The electromagnetic field differs from the gravitational field only by frequency.

    статья (8,5 K)
  • 398. Tools for adaptation of future majored in electromechanics to constantly changing content of experimental research

    The aim of the given paper is to summarize the structure of knowledge in electrical engineering needed for students majored in electromechanics, to define its place and role while conducting experimental research while studying technical subjects.

    статья (18,3 K)
  • 399. Transformation ratio at plasma wakefield excitation by laser pulse with ramping of its intensity according to cosine

    Numerical simulation of the excitation of a plasma wave-phase field by means of a generated laser pulse. Increase in the coefficient of transformation. The length of the shaped laser pulse. The maximum energy, to which electrons can be accelerated.

    статья (516,8 K)
  • 400. Transformer-based photovoltaic system with cascaded converters with discontinuous synchronized modulation

    The operation of the photoconversion system based on dual voltage inverters with synchronous intermittent modulation algorithms. Analysis of systems with two basic types of synchronous intermittent modulation and under different operating conditions.

    статья (341,9 K)
  • 401. Tribotechnical Properties of the Coatings (Ti-Zr-Nb)N

    Analysis of obtaining coatings based on (Ti-Zr-Nb)N by means of vacuum-arc deposition method. Study of their physical and mechanical properties and tribotechnical characteristics. Analysis of chemical composition of elements in the coating (Ti-Zr-Nb)N.

    статья (489,9 K)
  • 402. Twin-rotor combined turbine drive with a transmission for the nuclear power plant equipment emergency water supply system

    Development the constructive version of pump unit’s combined turbine drive. Use of wet non-separated steam as a working body. Twin-rotor combined turbine drive with a transmission for the nuclear power plant equipment emergency water supply system.

    статья (394,0 K)
  • 403. Twist extrusion

    Research twist extrusion process and the development of its implementation. Characteristic features of the process of homogenization and mixing materials. Consideration of the stages of the formation of sub-micron and nanostructures in metals and alloys.

    статья (1,4 M)
  • 404. Two-dimensional electron-hole liquid in systems of spatially direct and indirect excitons in si / sige heterostructures

    In the visible range observed at high excitation levels originates from two-electron recombination transitions in the hole liquid. The critical temperature of the dipolar is substantially less than the spatially. The binding energy of free biexcitons.

    статья (432,2 K)
  • 405. Two-particle break-up of triton by incident deuteron with energy of 37 MeV

    The results of the experiment satisfactorily in the framework of the microscopic diffraction nuclear model taking into account the interaction in the final state. The main process leading to appearance of deuterons in the output channel of reaction.

    статья (320,9 K)
  • 406. Types of protection against single-phase earth faults

    The problem of mass application of protection against single-phase earth faults. The main factors affecting the operation of earth fault protection. Zero sequence protection against higher harmonic currents. Limitations of devices with higher harmonics.

    статья (14,9 K)
  • 407. Ultrasonic absorption in magnetic nanofluids with magnetic field relaxation

    Analysis of data on ultrasonic absorption in magnetic nanofluids. The explanation of the peaks of the absorption coefficient of ultrasound using the process of relaxation of the magnetic field to its equilibrium value in the model of magnetic fluid.

    статья (71,4 K)
  • 408. Uncertainty of spatial distribution of inhomogeneous particles in limited volume

    The movement is heterogeneous asymmetric particles in a viscous medium under the influence of a potential field. Uncertainties of the spatial distribution of such particles at the cellular level distribution of organelles and macromolecular level.

    статья (505,2 K)
  • 409. Use of solar roads

    Description of the features of the action of solar roads, which consist of solar panels arranged in series and having a constructive structure for the movement of vehicles along them, a green alternative to the use of fossil fuels in power generation.

    статья (13,9 K)
  • 410. Uses of instrumental neutron activation analysis for elemental investigation of some domestic fertilizers

    The neutron irradiation facilities offered by the ET-RR-2 and the HPGe-detection system are used for elemental investigation of three samples of domestic fertilizers. A total of 31 elements have been identified as major and minor concentration values.

    статья (336,1 K)
  • 411. Using simple microwave approach for synthesize of CuInS2 nanostructures and investigation of their performance in solar cells

    Preparation and characterization of single phase nanoparticles with a copper complex as precursor via microwave technique. Identification and analysis of scanning electron microscopy, ultraviolet-visible spectroscopy and photoluminescence spectroscopy.

    статья (464,3 K)
  • 412. Using spectroscopy of the near-infrared techniques to detection the gas

    Nеаr-infrared spectroscopy is a spectroscopic method that uses the near-infrared region of the electromagnetic spectrum. The methane detector by using near-infrared radiation with different wavelengths ranges. The greatest value within the wavelength.

    статья (426,2 K)
  • 413. Using the structural fault-tolerance index in project designing

    Calculation of reliability as an object’s complex. The procedure of setting the appropriate indicators using methods based on their definition by reference data about the object elements’ and the analog objects’ reliability, data on material properties.

    статья (302,6 K)
  • 414. V-образный электромагнитный поршневой двигатель

    Особенности функционирования двигателя с наклонным (V-образным) расположением цилиндров, выполненного по принципу соленоида. Реализация поршневого механизма с помощью однотипных электромагнитных элементов с целью уменьшения затрат электроэнергии.

    статья (3,8 M)
  • 415. Water central heating – the pipework

    Water central heating system and its components: boiler, radiators and connecting pipes. The existence of various devices of the boiler, piping and radiator feeds. The advantages and disadvantages of the system. Рractice of installation of the pipeline.

    статья (13,7 K)
  • 416. Water Mills’ Role in Transformation of Valley-river Landscapes of the Right-Bank Ukraine

    Water mills are considered as landscape-technical systems, which became the root cause of the transformation of modern valley-river landscapes of the Right Bank of Ukraine. The process of reconstruction of water mills at a hydroelectric power plant.

    статья (22,7 K)
  • 417. Wind power stations

    Types of wind power stations: ground, coastal, offshore, floating. The principle of operation of wind parks, transportation of resulting electricity through a power cabinet located on the basis of a wind power plant. Terms of construction of wind farms.

    презентация (485,2 K)
  • 418. Work geothermal heating

    Geothermal home heating in Europe and America. Designing a productive heating system in a country house, its efficiency. Traditional methods of heating the premises, their negative impact on the environment; carbon dioxide emissions into the atmosphere.

    статья (15,3 K)
  • 419. Workshop on current problems in physics

    Relativistic dynamics of a charge in a penning trap. Spectroscopy and local structure of the rare-earth impurity ions in lithium tetraborate glasses. Investigation of boson spectrum of two-dimensional optical lattices with the graphene type structure.

    статья (182,8 K)
  • 420. WWER-1000 core loading characteristic influence on irradiationconditions of surveillance specimens and reactor pressure vessel

    Irradiation conditions of WWER-1000 surveillance specimens and reactor pressure vessel are comparative analyzed for various core loadings. It is proved that the fluences onto specimens don't correlate with ones onto pressure vessel of reactor WWER-1000.

    статья (195,0 K)

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