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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Физика и энергетика
  • 181. Heteroepitaxial 96x128 Lead Chalcogenide on Silicon Infrared Focal Plane Array for Thermal Imaging

    The realization of a 2-d narrow gap IR-FPA on a Si-substrate containing the active addressing electronics: A 96x128 array with 75 µm pitch for row-by row electronic scanning and parallel read-out of the line addressed. Photovoltaic sensors in the layers.

    статья (2,2 M)
  • 182. Hid lamp system with electronic ballast controlled by ZigBee network

    Concept and the magnetic ballast control system for High Intensity Discharge lamp using the technology of the ZigBee wireless network is introduced. Investigation of the electronic switch unit driven by ZigBee system of lighting network is presented.

    статья (112,9 K)
  • 183. High Entropy Alloys Based on Nitrides of Refractory Metals – a New Solution for Protective Coatings on the Instruments Working at High Temperatures

    The coatings based on (Ti-Al-Zr-Nb-Y)N and (Ti-Zr-Hf-V-Nb-Ta)N were obtained by means of vacuumarc deposition from the cathodes in the atmosphere of nitrogen. Their physical and mechanical properties, tribotechnical characteristics have been studied.

    статья (442,3 K)
  • 184. High power converter of microwaves into DC

    Perspectives of Cyclotron Wave Converter (CWC) of microwaves into DC are discussed in a form of short review. All main parts of CWC (microwave cavity, reverse region and collector) are analyzed. Existing experimental results are briefly described.

    статья (1,5 M)
  • 185. High resolution capability of adaptive antenna arrays for communication systems

    We investigate comparison methods of different geometric configurations of adaptive antenna arrays for communications on purpose to estimate directions-of-arrival of several external signals. The investigated antenna configurations have four elements.

    статья (232,0 K)
  • 186. Hybrid Renewable Energy Systems

    Hybrid Systems Definition. Characteristics of Distributed Energy Resources. Focus of a new Hybrid Systems Initiative. Hybrid Systems Premise. Value Propositions. Value Proposition - Enhanced Reliability. Evaluating an OPT Hybrids Program. THE SunDish.

    презентация (700,3 K)
  • 187. Hydrogen gas response of Zn1–xAgxOy and Cu1–xZnxOy nanostructured films

    Unique size and morphologydependent physical and chemical properties - some of the specific features of nanoscale metal oxide materials. Determination of the gas response and selectivity to hydrogen. Zinc oxide like a wide band gap semiconductor.

    статья (523,5 K)
  • 188. Hydrogen nitrogening in great discharge with AC power

    Conducting anhydrous nitriding in a glow discharge with AC power supply of industrial frequency. Analysis of switching the shape of pulses, changes in their polarity, which is solved by the introduction of a device for nitriding in a glow discharge.

    статья (76,0 K)
  • 189. Hyperbolic Manning-Rosen potential under spin and pseudospin symmetries of the Dirac equation with Coulomb-Hulth’en-like tensor interactions

    The description of the Dirac equation with the hyperbolic potential, Manning-Rosen, which includes the combined tensor interaction type Coulomb-Hulth’en. Peculiarities of numerical calculations to demonstrate the effect of the tensor interaction.

    статья (911,1 K)
  • 190. Hешение задач по альтернативным источникам энергии

    Расчет наименьшей допустимой высоты башни ветроэнергетической установки и определение скорости ветра и мощности установки. Определение расхода геотермальной воды из скважины. Расчет суточной выхода биогаза из реактора и количества тепла при сжигании.

    контрольная работа (119,9 K)
  • 191. Identification of maximum inaccuracyof toolmakers microscope

    Description of examined toolmakers microscope. Printed circuits boards’inspection via using of microscope. Calibration of optical toolmakers microscope, calibration ruler and MultiScale Micrometer for Microscope. Basic parts of Toolmakers microscope.

    статья (7,4 M)
  • 192. Identification of modal parameters using Kalman filter

    An analysis of the methodology for identifying the modal parameters of a dynamic system of structures using the Kalman filter, which is a powerful tool of modern control theory. Evaluation of the effectiveness of the method for identifying the structure.

    статья (392,8 K)
  • 193. Impact of clusters Ni-B on the photocatalytic properties of TiO2 nanopowdersw

    Analysis of the possibility of changing the absorption spectra of photocatalytic nanopowders TiO2 to increase the efficiency of the reaction. Development of original nanotechnology deposition of Ni-B clusters on the surface of nanoparticles of powders.

    статья (68,4 K)
  • 194. Impedance of Photosensitive Nanocrystalline PbTe(In) Films

    The temperature and frequency dependences of the impedance components of PbTe(In) nanocrystalline lms within the frequency range of 20 Hz–1 MHz in the temperature interval of 4.2–300 K in darkness and under illumination. The lms on a glass substrate.

    статья (299,2 K)
  • 195. Importance of the electricity in human life

    The study of electricity as a key component of modern technology. The activities of the American inventor and scientist Benjamin Franklin, the place and importance of electricity in our daily lives. Characteristics, features of DC and AC motors.

    реферат (13,9 K)
  • 196. Improvement of Front Side Contact by Light Induced Plating of c-Si Solar Cell

    Familiarity with the features of improving the contact of the front side with the light induction of the solar battery c-Si. Screen printing technology using silver paste as one of the established industrial processes for the production of a solar cell.

    статья (1,0 M)
  • 197. Improvement of Transients’ Parameters Evaluation Algorithms for Relay Protection and Automation with Use of Modern Methods of Digital Signal Processing

    Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.

    статья (547,8 K)
  • 198. Induction heating of rotating nonmagnetic billet in magnetic field produced by high-parameter permanent magnets

    Simulation through software Agros2D progressive method of induction heating of nonmagnetic billets rotating in a stationary magnetic field produced by a stationary high coercive permanent magnets attached to the magnetic core corresponding form.

    статья (558,6 K)
  • 199. Influence of Electron Irradiation on Optical Properties of ZnSe Thin Films

    Analysis of the results of irradiation of thin films of zinc selenide 500 nm thick by an electron beam and their deposition by evaporation. Analysis of the optical properties of both irradiated and untouched samples using an ultraviolet spectrophotometer.

    статья (402,2 K)
  • 200. Influence of magnetic pulseprocessing on oxide materials physics and mechanical properties

    Factors that reduce the strength properties of ferromagnetic iron oxides impurities of oxides of stoichiometric composition, etc. Using Mossbauer spectroscopy and x-ray diffraction analysis to determine the effects of magnetic pulses on iron oxides.

    статья (386,5 K)
  • 201. Influence of Polymer Coatings on the Carrier Life Time in Solar Silicon Crystals

    Acquaintance with the features of the influence of polymer coatings on the lifetime of carriers in silicon crystals used in solar energy. General characteristics of the conditions of magnetic and X-ray exposure, analysis of electrophysical parameters.

    статья (206,7 K)
  • 202. Influence of the Fluctuations of the Temperature on the Quasi Equilibrium Condensation

    Lorenz system a model, that allows to describe the behavior of the plasma-condensate system near phase equilibrium. Influence of the fluctuations of the growing surface temperature the evolution equation and the corresponding Fokker-Planck equation.

    статья (389,9 K)
  • 203. Influence of the thermal factor on the structural and substructural states of the quasi-binary tic-wc system ion-plasma coatings

    Analysis of the deposition temperature of TiC-WC quasi-binary system ion-plasma coatings (magnetron scheme) of different composition. Extension of structural, substructural States in terms of non-equilibrium producing a material of the ion-plasma flows.

    статья (785,4 K)
  • 204. Information Supply for a Monitoring System of the Distributed Parameters of Power Lines on the Basis of Reflectometers

    Principles of construction of a monitoring system. Appearance of the reflectometer ALIMP. Application of the complex modulated signals. Algorithms of processing of the information. Block scheme of power lines monitoring on the basis of the devices ALIMP.

    статья (908,1 K)
  • 205. Installation for resonance spectroscopy of radioactive light nuclei

    Design of the experimental setup, depending on the time of flight fragment separator COMBAS and multi-channel recording system developed for the study of light exotic nuclei. The use of precise correlation method for resonance spectroscopy collapse.

    статья (399,6 K)
  • 206. Insulation materials

    Material or article used for heat insulation of buildings, structures, industrial equipment, and transportation vehicles. Main indicator of the quality of an insulating material. Mineral wool and articles made from it, lightweight and cellular concretes.

    статья (14,4 K)
  • 207. Integrated computer-aided design system of wind power plant

    Technological features of modeling wind turbines. Development of optimal physical and mechanical parameters for the design of the power plant equipped with an automated control system. Acquaintance with the results of the aerodynamic rotor testing.

    статья (1,1 M)
  • 208. Integrated resilient strategies of renewable power generation and distribution

    Finding ways to save energy and improve the energy efficiency of production. Development of the latest renewable sources. Development of the photovoltaic industry, increasing the output power of solar batteries. Reduction of carbon dioxide emissions.

    статья (28,1 K)
  • 209. Intelligent system for diagnostics of power transformer equipment

    The structure of the intelligent diagnostic system for power transformer equipment. The use of zeolite as a "drier" in the molecular sieve. Parameters of the moisture management system. Dehumidification of the insulation of oil-filled transformers.

    статья (73,4 K)
  • 210. Interaction potential вetween тwo аxially symmetric nuclei

    An overview of the potential energy of the strained randomly-oriented nuclei and their properties in the entrance channel, where the thermonuclear reaction, causes of superheavy elements. The essence of interaction deformed axially symmetric nuclei.

    статья (410,2 K)

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