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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Физика и энергетика
  • 91. E1 radiative strength function for gamma-decay and photoabsorption

    Simple models describing dipole radiative strength functions in medium and heavy nuclei. Basic parameters of the giant dipole resonances and their error. Phenomenological model to describe the kind of asymmetric dipole radiative strength functions.

    статья (225,3 K)
  • 92. Economic failures in heating service: case of Ukraine during the 1991-2015 period

    The application of the structure of socio-technical and multi-level theory of transition. Successful introduction of innovations. Development of scenario heating system for the Ukrainian city of Bila Tserkva. Development of new types of heating systems.

    статья (24,9 K)
  • 93. Effect of composition on structure and mechanical properties of ion-plasma coatings of quasi-binary system TiB2-WB2

    For ion-plasma coatings of quasi-binary system TiB2-WB2 the influence of composition on structure and adhesion strength has been analyzed. Investigation of ion-plasma coatings in order to determine their adhesive and cohesive strength, scratch resistance.

    статья (627,7 K)
  • 94. Effect of doping chromium structural steel at its abrasive wear resistance after heat treatment

    Study the feasibility of rheological kinetic concept abrasive wear resistance for an explanation of this effect. Study of the effect and the influence of alloying chromium in the amount of 1 - 5 % on abrasive wear resistance medium carbon compounds.

    статья (95,5 K)
  • 95. Effect of High-frequency Laser Radiation on the Graphene Current-voltage Characteristic

    Features of the influence of high-frequency laser radiation on the characteristics of tungsten graphene. An analysis of the causes of the gap in graphene creates a gap in the band of the spectrum in the conditions of a high-frequency electromagnetic wave.

    статья (287,9 K)
  • 96. Effect of temperature on radiation resistance of TiO2 powders during heating and modification by SiO2 nanoparticles

    The temperature effect on the phase composition, on variation in diffuse reflection spectra. Absorption coefficient of titanium dioxide powder during heating and modification by silicon dioxide nanoparticles. The irradiation with accelerated electrons.

    статья (421,7 K)
  • 97. Effective conductivity of microwave dielectric materials

    Dielectric loss, which characterizes the conversion of electrical energy into thermal energy as electrical properties of dielectrics. Loss mechanisms and their contribution to the conductivity of the dielectric materials of ultra-high frequencies.

    статья (267,8 K)
  • 98. Effective equations in quantum cosmology

    A framework for effective equations of expectation values in quantum cosmology and pose for them the quantum Cauchy problem with tunneling wavefunctions. The eld-theoretical sector of inhomogeneous modes. The technique of manifest quantum reduction.

    научная работа (281,2 K)
  • 99. Effects of cluster polarizations on the radiative capture reactions

    The microscopic three-cluster model. Effects of cluster polarization on the capture reactions. The cross section of the reactions at the low-energy range. Correlations between astrophysical S factor of the reactions and ground state of compound nucleus.

    статья (360,8 K)
  • 100. Electretic state and radiative absorption of polyvinyl chloride metal nanocomposites

    Research of the radiation absorption of nanocomposites consisting of polymer matrix and metal particles filler obtained in result of electric explosion. Advantages of the method of composite polymer system creation for resistant to external actions.

    статья (325,6 K)
  • 101. Electric circuits and signals

    The concept and characteristics of the electric current. Analysis of linear DC circuits. Applying Kirchhoff's in electrical engineering. The nodal equations for complex amplitudes. Representation of harmonic oscillations with the help of complex numbers.

    методичка (1,2 M)
  • 102. Electric field homogeneity problem in the multi-electrode phase-adjustable applicator

    A mathematical model of multiphase cylindrical apparatus for bulk materials treatment with radio frequency electric field. Analysis of the distribution of the electric field inside the zone restricted with multiple connected circular arc-shaped boundary.

    статья (943,3 K)
  • 103. Electric properties of Mg-substituted Lthium Iron Spinel

    Impedance and dielectric properties of an Mg-Zn ferrite. Covalence effects and electronic configuration of the valence shells of the ions in ferrites - spinels. Dispersion of Resistivity and Dielectric Constant of Some Semiconductors at Audiofrequencies.

    статья (626,2 K)
  • 104. Electrical engine. History of the electric motor

    The principle of converting electrical energy into mechanical energy by an electromagnetic field. The invention and introduction to the production of a perfect electric generator. The essence and specificity of the principle of electromagnetic induction.

    контрольная работа (16,4 K)
  • 105. Electromagnetic energy-momentum and forces in matter

    The 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 (140,4 K)
  • 106. Electromagnetic forces and fields in a rotating reference frame

    Maxwell’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 (84,7 K)
  • 107. Electromagnetic form factors, Tchebichef polynomials and generalized Rosenbluth formula

    Elastic scattering of the ultra relativistic polarized on atomic nucleus with arbitrary spin. The covariant parameterization of the electromagnetic current for a particle. The Rosenbluth formula for the cross section of the ultra electron.

    статья (234,4 K)
  • 108. Energetic characteristics of the surface electromagnetic wave at plasma-plasma interface in magnetic field

    The dependencies of energy flow density and energy density on wave vector for different magnitudes of external magnetic field are analyzed. The sign of the Poynting vector in each plasma region is investigated. The velocity of energy propagation is found.

    статья (362,0 K)
  • 109. Energy Gap: Bibliometric Analysis

    The paper deals with analyses of the leading scientific directions to investigate the energy gap. The main goal is to analyze the tendency in the scientific literature on energy gap to identify the future research directions of the primary determinant.

    статья (3,7 M)
  • 110. Energy resources

    Learn about types of energy used by the people: energy: renewable, non-renewable. Familiarity with the functions of windmills. Characteristics of promising energy sources: wind, direct solar, biomass. Analysis of the characteristics of phytoplankton.

    реферат (24,3 K)
  • 111. Energy saving technologies in production complexes for agricultural purpose

    Characteristics of the features combined heating systems based on modules with infrared heating, bioreactors and solar collector. Research and analysis of key opportunities to use Thermosiphon solar collector for thermal control in the bioreactor.

    статья (363,3 K)
  • 112. Energy security

    Energy security is the association between national security and the availability of natural resources for energy consumption. International trade in oil and gas. Risks associated with nuclear power technology. Features the use of solar heating systems.

    статья (17,3 K)
  • 113. Essence and Scientific Discovery in Kripke and Putnam

    Hilary Putnam and his similar claim about water. Discovering by Kripke and Putnam the true atomic structure of gold or the true molecular makeup of water. Discovering by them of a new type of particle lucking in and around the nucleus of the atom.

    статья (122,2 K)
  • 114. Estimation of local linear heat rate jump values in the variable loading mode

    A method of the WWER-1000 fuel element cladding durability analysis using the energy creep theory. The value of linear heat. Linear heat rate jump. Analyzing the current Ukrainian energetic status. Circumferential and axial stress. Combined load cycle.

    статья (216,8 K)
  • 115. Estimation of Reliability of Dynamic Models of Complex Power Systems with WAMS Data

    The 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 (424,1 K)
  • 116. EXAFS-спектроскопия - новый метод структурных исследований

    Принципиально новые методы структурного анализа, основывающиеся на обработке дальней (протяженной) тонкой структуры рентгеновских спектров поглощения. Экспериментальные исследования и приложения EXAFS-спектроскопии. Основные характеристики спектров.

    курсовая работа (713,7 K)
  • 117. Experiences and results of the world countries in using solar energy

    To investigate the experiences and results of the world countries in using solar energy and to make a comporative analysis. The compares the history, methods and innovations of the use of solar energy in Azerbaijan and other countries of the world.

    статья (261,0 K)
  • 118. Experimental confirmation of Aharonov-Bohm effect using a toroidal magnetic field confined by a superconductor

    Particularly 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 (2,5 M)
  • 119. Experimental determination of the heaviest mode of vibration tests in class of broadband random vibration

    The proposing of the experimental confirmation of results, which have been previously obtained in theory and by means of simulation, revealing existence of the hardest mode of broadband random vibration (BRV) during its effect on mechanical systems.

    статья (305,5 K)
  • 120. Experimental Investigation of the Energy Needs for a Conventionally and an Infrared-Heated Greenhouse

    The objective of greenhouse heating is to maintain the canopy at a specified temperature range. Infrared (IR) heating as alternative to forced air heating. Use of a simple numerical model to estimate the potential energy savings in a greenhouse.

    статья (2,0 M)

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