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коллекция "revolution"
Главная Коллекция "Revolution" Физика и энергетика
  • 211. Liquid-liquid polymorphous transition vs. micelle formation of surfactants

    Description of the concept of formation of micelles of surface-active substances. Features smooth polymorphic transitions, oscillations, and hysteresis properties in the size of the micelles. The use of active substances in the development of technology.

    статья (193,2 K)
  • 212. Lorentz quantum electrodynamics

    Establishment of a system of equations for quantum electrodynamics in which an electron, like any other charge, has an electric and a magnetic field. Description of the eigenvector fields using scalar and vector potentials satisfying the equations.

    статья (35,9 K)
  • 213. Lorentz transformations in mathematical physics

    The use of Lorentz transformations in solving some problems of mathematical physics. The solution to the string oscillation equation, which is a special case of the wave equation. Consideration of the effect of relativistic compression of the spectrum.

    статья (91,4 K)
  • 214. Madame Marie Curie the Science of Radioactivity

    Brief biographical details from the life of Marie Curie. The research process the effect of "radioactivity", the discovery of new radioactive elements-radium and palladium. The awarding of the Nobel prize in physics Marie Curie for their work with x-rays.

    презентация (484,4 K)
  • 215. Main types of relay protection

    General characteristics of the main types of relay protection. Analysis of the causes of accidents that can damage technical equipment or lead to the death of service personnel. Acquaintance with the features of the formation of relay protection.

    статья (53,9 K)
  • 216. MALDI масс-спектрометрия – в оценке микробиоты человека. Современное состояние и перспективы

    Масс-спектрометрия как современный физико-химический метод анализа, позволяющий проводить качественный и количественный анализ состава вещества, основанный на предварительной ионизации входящих в состав атомов или молекул. Его преимущества и недостатки.

    статья (652,8 K)
  • 217. MARKAL Application for Analysis of Energy Efficiency in Economic Activities of the Republic of Moldova and Feasible use of Renewable Energy Sources

    The results of a comprehensive analysis of the implementation of measures for energy saving and use of renewable energy sources in the Republic of Moldova using the MARKAL model. Determining the cost of work on the development of renewable energy sources.

    статья (1,1 M)
  • 218. Mathematical model of the process of synthesis of biogas from blue-green algae

    The production of biogas from algae. The Optimization the synthesis process of biogas using the results of the mathematical models of stimulation of this process. The scheme of the reactor for processing suspension of cyanobacteria with ultrasound.

    статья (549,9 K)
  • 219. MatLab: решение дифференциальных уравнений

    Пример численного решения задачи в системе MatLab. Методы решения систем дифференциальных уравнений. Одношаговые явные методы Рунге-Кутта 4-го и 5-го порядка. Движение заряженной частицы. Закон Кулона. Траектория движения пули под действием силы тяжести.

    лекция (895,3 K)
  • 220. 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)
  • 221. Measurements and correlation of high-pressure densities of imidazolium-based ionic liquids

    Methodology and milestones defined density measurement of liquids, as well as the definition of its other parameters: isothermal compressibility, isobaric thermal expansion and pressure. Conformity assessment of the experimental density regulations.

    статья (147,8 K)
  • 222. 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)
  • 223. Mechanism of wideband microwave radiation at explosion of condensed high explosives

    Electromagnetic disturbances at explosions of charges of condensed high explosives for the first time were found out by A.G.Ivanov in summer of 19381. In the subsequent years these effects were repeatedly investigated in many laboratories of the world.

    статья (34,1 K)
  • 224. Mechanisms of the Phase Separation of Nonstoichiometric Si Oxide Films: What Can One Learn From Thermodynamics?

    Mechanisms of phase separation in non-stoichiometric solutions of silicon oxide high-temperature annealing. Creating a matrix of silicon oxide and silicon nano-sized inclusions. Analysis of thermodynamic processes during the separation Si/Si oxide phase.

    статья (395,6 K)
  • 225. 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)
  • 226. Methods for achievment of energy efficiency targets: analysis of experience in the European Union

    Identify directions for reforming energy management in support of sustainable development policies in a transition economy. An analysis of the experience of European countries that have gone through the implementation of the concept of energy efficiency.

    статья (1,3 M)
  • 227. Methods for improving the energy efficiency of wind turbines at low wind speeds

    Identification of factors to consider when choosing a more optimal method to improve the energy efficiency of wind turbines at low wind speeds. Application of electric drive control technologies. Use of synchronous generators with permanent magnets.

    статья (16,4 K)
  • 228. 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)
  • 229. Microcreep of metallic glasses at room temperature

    Features of plastic forming (micro creep) of a wide class of fresh-quenched metallic glass (mg) at room temperature and under the action of tensile stresses. The increase in the volume fraction of crystallization centers in the amorphous matrix.

    статья (321,3 K)
  • 230. Microstructural aspects of high and low critical temperature superconductors

    Superconducting homopolar motors for ship. Niobium-titanium alloy superconductors. The role by microstructure in determining superconducting properties. Structural aspects of conductivity. Influence by low critical temperature by a superconductors.

    статья (194,3 K)
  • 231. Microwave electronics based on electron beam transverse waves using (state-of-the-art and perspective. Russian experience)

    Russian experience in the field of non-traditional microwave electronics based on electron beam transverse waves using is discussed in a form of short review. Strictest requirements are placed on a powerful output amplifier and a low-noise input device.

    статья (1,1 M)
  • 232. 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)
  • 233. Model of electromagnetic drive

    Characteristics of the principle of operation of dynamic model rocket thruster of electromagnetic type consisting of a source of electromagnetic waves of radio frequency and the conical resonator, which are excited by electromagnetic oscillations.

    статья (46,3 K)
  • 234. 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)
  • 235. Modeling and practical application of a power field at conic charge explosion

    An analysis over of character of the isodenses of conical charge products, got by mathematical design. Consideration of character of intermediate initiator using in a downhole charge as the truncated cone at his location in the ground part of hole.

    статья (60,1 K)
  • 236. 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)
  • 237. Modeling of physical processes inside the sarcophagus

    Analysis of physical processes that may cause the fragility and destruction of the lava-like fuel containing materials of 4-th unit of Chernobyl Nuclear Plant. Analysis of influence of electric fields arising in medium with incorporated radionuclides.

    статья (2,0 M)
  • 238. Modelling and analysis of bow tie nanoptenna

    Study of the optical characteristics of the nano-optical structure of the antenna. Need to design the antenna in nano-scale for the visible part of the optical spectrum. The dependence of the enhanced field created by the nanoantenna, on its structure.

    автореферат (229,9 K)
  • 239. 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)
  • 240. 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)

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