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коллекция "revolution"
Главная Коллекция "Revolution" Физика и энергетика
  • 241. 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)
  • 242. Monitoring Stability Reserve of Power Systems on the Base of the Identifications of the Generator Admittance Matrix for Electro Mutiveforce

    Synchronized measurements (the registrations of the transients) of the regime parameters, including vectors of the voltage in the network nodes, creating the technical possibility of realization of the technologies for checking of regime admissibility.

    статья (407,3 K)
  • 243. 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)
  • 244. 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)
  • 245. 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)
  • 246. 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)
  • 247. 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)
  • 248. 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)
  • 249. 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)
  • 250. 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)
  • 251. Newton’s method for finding extremum of strongly convex functionals

    Analysis of the solution of nonlinear equations for finding the extremum of functions. Extension of the domain of convergence from different initial approximations that do not satisfy the conditions for the convergence of the classical Newton method.

    статья (405,3 K)
  • 252. Non-Markovian large-amplitude motion and nuclear fission

    The general problem of dissipation in macroscopic large-amplitude collective motion and its relation to the energy diffusion of the intrinsic degrees of freedom of a nucleus is studied. Different dynamical regimes of the intrinsic nuclear motion.

    статья (202,2 K)
  • 253. Nonequilibrium kinetics of electron-phonon subsystem of a crystal in strong electric and magnetic field as a base of electro-and magnetoplastic effects

    Investigation of the kinetic nonequilibrium dynamics of the electron-phonon system of a crystal in a strong electric field on the basis of the numerical solution of the system of kinetic Boltzmann equations for the electronic and phonon functions.

    статья (1,5 M)
  • 254. Novel squarylium dyes for detection of amyloid fibrils in vitro

    A series of novel symmetrical squarylium dyes with the different substituents in the donor moieties have been tested for their ability to detect and characterize insulin and lysozyme amyloid fibrils prepared in acidic buffer at elevated temperature.

    статья (1,3 M)
  • 255. 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)
  • 256. Numerical investigation of size effects in proton relaxation in hydrogen-bonded crystals

    Investigation of size effects in hydrogen-bonded crystals by numerical solution of the kinetic equation in finite differences, by finite difference method Calculation of the current density of thermally stimulated depolarization in finite differences.

    реферат (50,9 K)
  • 257. 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)
  • 258. 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)
  • 259. 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)
  • 260. On influence of magnetic fields and excitation conditions on the magnetization distribution in microwire magnetoimpedance element

    Development of effective magnetic field sensors based on amorphous ferromagnetic microwires. Identification of factors affecting the reversal processes in the surface layer values magnetoimpedance wire. Features of the distribution of magnetization.

    статья (478,6 K)
  • 261. 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)
  • 262. 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)
  • 263. On the Chraplyvy transformation and some features of its application for higher-order expansions (Part 1)

    The problem of decomposition of the relativistic equations for two particles in powers of 1/c to higher orders. Salpeter equation-Breit for hermitian forms with interaction. Generating functions for the first iteration of the transformed hamiltonian.

    статья (130,8 K)
  • 264. On the non universality of surface density of galaxies

    Correlation between the central surface density of dark matter haloes and the halo core radius of galaxy and galaxy recently studied on a wide range of scales. The column density within the halo characteristic radius. The model and the S-M relation.

    статья (150,9 K)
  • 265. On the problem of crystal metallic lattice in the densest packings of chemical elements

    Rough, qualitative measurement of number of electrons in conduction band of metal - element. Explanation of factors, influencing formation of type of monocrystal matrix and sign of hall constant. Metallic Bond in Densest Packing (face-centered).

    реферат (145,6 K)
  • 266. One more observational consequence of many-worlds quantum theory

    Modern cosmological models describing the macrocosm. A comparative estimate of the maximum lifetime of a de Sitter universe obtained by the method of Don Page and made in the framework of string theory. Paradoxes of phantom energy and quantum mechanics.

    статья (37,9 K)
  • 267. Op Amp Applications Handbook

    Learning the basics feedback theory. Application of differential input, single-ended output amplifiers. Isolation amplifiers, which provide galvanic isolation between sections of a system. Operating principles of analog filters, audio/video amplifiers.

    книга (7,4 M)
  • 268. Optical Materials Activated with CeO2:Ln3+ Nanoparticles

    Investigation of structural and spectral-luminescent properties of silica glasses and siliceous powders activated with CeO2:Ln3+. Analysis of the main features of the Ln3+ ions. Characteristic of relative intensity of magnetic dipole transitions of ions.

    статья (356,9 K)
  • 269. Optical properties of multilayered metal-dielectric structures containing silver nanoparticles

    Fabrication and optical properties of metal-dielectric nanostructures consisting of stacked monolayers of silver nanoparticles. Materials and samples preparation. Fabrication of multilayered nanostructures. The extinction spectra of the nanostructures.

    статья (672,9 K)
  • 270. Optimal parameters of four-layer optical structures when the light is incident at an angle

    Identify the best value of the functional for four-layer structures at different angles of light incidence. Calculation of the performance of software developed by the algorithm for solving the problem of optimization of multilayer optical structures.

    статья (234,2 K)

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