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Главная Коллекция "Otherreferats" Физика и энергетика
  • 331. Molecular dynamics study of the mechanical properties of the grapheme-like titanium carbide Ti2C

    Molecular dynamics simulations have been performed to study the mechanical properties of two-dimensional titanium carbide under tensile deformation. Young modulus was calculated from the linear part of strain-stress curve. The structure of the samples.

    статья (278,7 K)
  • 332. 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)
  • 333. Monitoring of Power System Operating Conditions with the Methods of Distributed and Dynamic State Estimation

    The procedure of coordinating solutions for individual subsystems and does not require iterative calculations by subsystem. Setting the nodes with PMU as slack nodes of subsystems provides coordination of voltage phase angles in subsystem calculations.

    статья (279,5 K)
  • 334. 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)
  • 335. 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)
  • 336. Multi-band electronically scanned antennas of centimeter and millimeter wave ranges

    Foundations of radio lenses constructing of centimeter and millimeter wave ranges with controlled refraction index, combining the quality of antennas. Possibilities of the electronically scanning with wide-angle sector and high gain are maintained.

    статья (5,3 M)
  • 337. 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)
  • 338. 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)
  • 339. 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)
  • 340. 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)
  • 341. Mодульные установки комбинированного производства электроэнергии и жидких топлив на основе древесной биомасс

    Повышение энергетической и экономической эффективности использования техногенных отходов. Создание комплекса для переработки древесной биомассы в синтетические жидкие топлива. Получение электроэнергии путем конверсии при сжигании продувочного газа.

    статья (381,4 K)
  • 342. Nanoalloy antenna for optical communication

    Designed optical antenna to increase the interaction area of a local absorber or emitter with free radiation, thereby making the light–matter interaction more efficient. Discussed parameters of aluminum nickel to reduce the cost of gold optical antenna.

    автореферат (102,4 K)
  • 343. 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)
  • 344. Near-field coherent effects at thermal microwave radiation receiving on coupled linear wire antennas

    A theory of electromagnetic wave multiple scattering by ensemble of dielectric and conductive bodies, with describing the excited currents inside bodies of electric field tensor T-scattering operator. A system of equations for currents on surfaces.

    статья (2,4 M)
  • 345. Network vulnerability assessment of the U.S. crude pipeline infrastructure

    Analysis of the potential for cascade failure of the U.S. crude oil pipeline infrastructure using model based risk assessment software. Indentification of regional differences in network resiliency and susceptibility to cascade failure in United States.

    дипломная работа (1,8 M)
  • 346. 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)
  • 347. New approach to the thermal-to-electrical energy conversion problem on a basis of the thermal field emission phenomenon

    Analysis of physical and numerical modeling of an electron emission and transport processes for different electron-optical energy conversion systems with nanostructured surface electron sources. Review of energy conversion processes with high efficiency.

    статья (682,5 K)
  • 348. New proofs in modern gravitation theory

    Mechanism of the Earth magnetic field. Role of gravity in the evolution of planet and the formation of continents margins. Influence of gravity anomalies on seismic events, weather conditions and tsunami origin. Gravitational vehicle of volcanos.

    учебное пособие (1,3 M)
  • 349. Noise-Induced Transition between Stationary States of a van der Pol Oscillator

    Induced transitions between a limit cycle and the state of the rest of the van der Pol has a threshold and disappears at rest. The threshold value is directly proportional to the product of the energy of oscillation and the coefficient of friction.

    статья (153,8 K)
  • 350. Non-markovian nuclear dynamics

    Equations of motion for nuclear shape variables which establish a direct connection of the memory effects with the dynamic distortion of the Fermi surface. Applying the non-Markovian dynamics to the description of the nuclear giant multipole resonances.

    статья (367,5 K)
  • 351. Nuclei shells and periodic trends. Part 2

    Characteristic of the periodic law in the original formulation of Mendeleev. Study of the theory of nuclear interactions. Computation of the binding energy of nucleons. Analysis of parameters describing periodic trends in the formation of nuclear shells.

    статья (397,4 K)
  • 352. Numerical analysis of waveguides and waveguide elements in EBG structures

    An efficient technique for analysis of waveguides, resonators and waveguide discontinuities in electromagnetic bandgap structures. Waveguides and resonators formed by elements removed from EBG array are considered. The first step is a solution of problem.

    статья (1,9 M)
  • 353. Numerical integration of the equations of the theory of creep, which takes into account the microstrains

    The effectiveness of the solution algorithms, integration of Euler’s method. Substantial foundations of the theory of creep. Requirements for a number of material constants that describe the experiment. Foundations of hypotheses of the microstrains.

    статья (627,2 K)
  • 354. Numerical simulation of losses and heating in the constructional elements of transformers of ferromagnetic steel

    The application of the methods of calculation of surface and volume losses in the constructional elements of transformers of ferromagnetic steel. A samples definition of heating in the constructional elements of equipment with the single-phase autotype.

    статья (593,4 K)
  • 355. Observations of the Marinov Motor

    Schematic of one simple form of Marinov motor. Torque Formulas. Analysis for Arbitrary Magnet Cross Section Shapes. Torsion Balance Measurement of Torque. Schematic of torsion balance used in presentlyreported torque measurements. A balance calibration.

    статья (199,5 K)
  • 356. On "gauge renormalization" in classical electrodynamics

    The electromagnetic energy-momentum tensor for a system of charged particles and its "gauge renormalization". Classical electrodynamics after "gauge renormalization". The momentum of free and bound EM fields. Proper mass of electron and Poincare stresses.

    статья (217,5 K)
  • 357. On a possibility to decrease magnetic intensity in microwave/dc cyclotron wave converter

    The problem of the inverse conversion of powerful microwave energy into direct current energy is considered. The CWC type [4,5] is discussed, in which two microwave cavities are used, having uniform and fourfold electric fields in the interaction gaps.

    статья (103,4 K)
  • 358. On Hooke’s Rule of Nature

    Investigation of gravitational attraction and repulsion of bodies by Hooke. Study of the work "Explanation of the Force of Elastic Bodies" by the English author. Scientific measurement of the deformation of bodies, create an oscillating theory of matter.

    статья (27,7 K)
  • 359. On lorentz invariance of random processes

    Self-similarity of random processes as a condition of Lorentz invariance. It is shown that this condition corresponds to white and pink noise, as well as the Brownian process, supplemented by any random process with the property of self-similarity.

    статья (160,7 K)
  • 360. On properties of magneto-dielectric composites in the effective medium approximation

    The study of ultra-broadband composite absorbers of electromagnetic waves. The level of absorption in a wide band of frequencies, a combination of mechanisms enhancing the loss of energy field. Harmonization of resistance and destructive interference.

    статья (533,0 K)

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