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коллекция "revolution"
Главная Коллекция "Revolution" Физика и энергетика
  • 91. Delayed neutron yield measurement on thermal neutron induced fission of 237Np using cross-correlation technique

    A technique of measuring the output of delayed neutrons of fission in the process of learning cores, with the help of a mechanical chopper. The use of neutron flux applied for demodulation, correlated with the modulation of the thermal neutron flux.

    статья (268,3 K)
  • 92. Demonstration of chromatic dispersion compensation fibre using circular hole PCF with different pitch and diameters

    Approach for dispersion compensation. Introduction different air hole diameter and pitches to maintain the flat and zero dispersion in photonic crystal fiber. A new geometry of PCFs which uses ‘Circular’ holes instead of square or elliptical holes.

    автореферат (397,7 K)
  • 93. Deposition of Uniform Vacuum Arc Coatings by Use of Magnetic Traps for Plasma Electrons

    Studding of Deposition of uniform coatings in the vacuum arc deposition setup. A control unit consisted of two electromagnetic coils installed under substrate of 400 mm dia. exposed to the plasma flux at a distance of 325 mm from the plasma duct exit.

    статья (616,9 K)
  • 94. Description of Intermittent Plastic Flow

    Deformation of solids. The study of plastic flow. The nanoscale point defects a transition from the solid state of the medium. Synergetic equations describing the self-organization of the particles. Phase diagram of the system and distribution function.

    статья (1,2 M)
  • 95. Design and realization of grippers with permanent magnets

    Market research focused on capturing a similar concept and studying the principles and properties of magnets. Application for the drive of the gripping unit of the pneumatic device for manipulation of the portal intended for educational activities.

    статья (4,7 M)
  • 96. Design of control signals for three phase matrix converter on the basis of double fourier series

    The control signals for the frequency-phase matrix converter. The output control signal converters, on the basis of the expansion of space with the space. Methods of using the double Fourier series expansion of space and time independent variable.

    статья (246,4 K)
  • 97. Design of T-split power dividers using dumbbell shaped DGS

    Implementation of equal power divider using conventional 50 microstrip line and dumbbell shaped defected ground structures. Increased the line impedance of the microstrip line. Application dividers in microwave circuits and feeds of array antennas.

    автореферат (373,9 K)
  • 98. Design of the fuzzy control system for the waste heat utilization plants driven by the thermoacoustic engine

    Description of experimental plant for TAD analysis. Computerized system for control of thermoacoustic devices. Experimental studies of thermoacoustic engine. Synthesis of thermoacoustic processes control system and fuzzy controllers for tae driven plant.

    статья (1,1 M)
  • 99. Detection of earth faults in electric power cables by analyzing changes in the short-circuit resistance

    Study of effective ground fault detection. Analysis of single phase ground faults in mine cables and ways of their identification. Analysis of method based on measurements of variation of the fault resistance value and associated electromagnetic noise.

    статья (238,8 K)
  • 100. Determination of electron beam parameters on radiation-technological facility for simulation of radiation processing

    Testing of the computational method PFSEM to restore the characteristics of the electron beam on the basis of two-parametric fitting of semi-empirical model for the depth dependence of the dose. Dose measurement of electrons in the dosimetric wedge.

    статья (226,1 K)
  • 101. Determination of the activation parameters of electrode processes on the basis of temperature dependences in linear voltammetry

    The theoretical analysis of the temperature dependences in linear voltammetry in this communacation for reversible and totally irreversible electrochemical processes. Features of studing means of linear voltammetry technique in sulfare solutions.

    статья (169,0 K)
  • 102. Determination of the factors affecting the forecasting of electricity consumption of machine-building enterprises

    Analysis of the factors influencing the forecasting of electricity consumption by a machine-building enterprise. Evaluation of factors affecting electricity, based on the method of expert assessment. Determining them by constructing a correlation matrix.

    статья (155,7 K)
  • 103. Determination of the impurities concentration in tungsten, molybdenum, tin, and tellurium targets using neutron activation analysis techniques

    The role of radioisotopes in medical sciences. The use of radionuclides in nuclear medicine. The threshold reaction cross sections. Neutron activation analysis techniques. Formation of radioactive impurities reaction to the capture of the neuron.

    статья (299,8 K)
  • 104. Development of a measuring system for checking the parameters of variable capacitor with capacity 15-500 pF

    Characteristic variable capacitor structure. The definition of electronic control features. Issdelovanie circuit AC bridge. Determination of the resistance measuring bridge capacitors parameters. Consideration device universal scheme of the bridge.

    реферат (590,4 K)
  • 105. Development of Magnetic Field-enhanced Vacuum Arc Deposition in China

    The latest research and development in China for magnetic field-enhanced vacuum arc deposition (MFE-VAD). The interaction between the magnetic field and cathode arc spot (and arc plasma). External magnetic field. The increasing of plasma density.

    статья (733,1 K)
  • 106. Development of Wide Area Measurement System (WAMS) in the Ural IPS for mode stress estimation. Approaches and decisions

    Directions of formation the main technical solutions to enhance the transmission capability of backbone network in this region through the development and implementation of facilities to determine the current values of stability margin in Russian UPS.

    статья (347,0 K)
  • 107. Digital signal processing application in nuclear spectroscopy

    Digital signal processing algorithms for nuclear particle spectroscopy. Algorithms for a digital shaping-filter amplifier, for a digital pile-up elimination scheme and for ballistic deficit correction were investigated using a high purity detector.

    статья (205,5 K)
  • 108. Diminishing of macro-geometrical error of detail′s form and friction torque by electrochemicalmechanical running-in

    Factors affecting the intensity of wear of parts. Analysis of the disadvantages associated with the abrasive polishing of precision parts. The required properties of the electrolyte and the correct selection of the optimal composition for running.

    статья (275,2 K)
  • 109. Direction of alternative energy

    Differences between alternative energy sources and natural sources, what types they are divided into. Consideration of each type of alternative sources, their device, operating environment, advantages and disadvantages compared to other sources.

    статья (15,0 K)
  • 110. Discrete wavelet transform application to rayleight fading channel estimation in radio communications

    Algorithms for flat fading radio channel estimation was investigated. Namely algorithms based on AR-model with sliding window and without sliding window, algorithm that uses Discrete Wavelet Transform and that uses Discrete Wavelet Packet Transform.

    статья (420,3 K)
  • 111. Dominant trends of innovation and investment activities in the development of alternative energy sources

    The main tendencies of innovation, investment activity in the development of alternative energy sources, the analysis of foreign experience of the countries of Europe, the United States of America, Asia. The structure of world energy consumption in oil.

    статья (896,0 K)
  • 112. Dynamics of quarks in the hadrons metrics with application to the baryon structure

    The system of Dirac equations describing the dynamics of quarks in hadrons metric. Assumed that the quarks interact via an external Yang-Mills field. Magnetic moments of the proton, neutron and lambda baryon. Model of the baryons in a stationary metric.

    статья (1007,1 K)
  • 113. Ecotransformation of the Ukrainian energy sector

    Study of the stages of the formation of the energy sector of Ukraine and its transformation in the conditions of military operations. Analysis of the readiness of the energy industry for the introduction of renewable energy sources and green technologies.

    статья (1,0 M)
  • 114. 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)
  • 115. 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)
  • 116. Effect of Metal on Characteristics of MPc Organic Diodes

    Study of electrical characteristics of organic diodes of metal phthalocyanine. Analysis of the role of the metal Cu, Al, Zn, Mg on electronic parameters. The substantiation of the nonideal behavior of the obtained values of n: 1.85, 2.22 and 4.40.

    статья (397,8 K)
  • 117. Effect of spectral statistics on the nuclear dissipation

    Investigating the effect of quantum mechanical diffusion in the space of adiabatic states of intrinsic nucleonic subsystem on the dissipative properties of macroscopic collective dynamics. Сalculation transport characteristics for Gaussian ensembles.

    статья (271,4 K)
  • 118. Effect of substrate temperature on the properties of PECVD SiCN films

    SiCN system like a new kind of semiconductor materials that connect the best properties of silicon carbide and nitride. Characteristics of the variation of the Knoop hardness, nanohardness and Young’s modules as functions of substrate temperature.

    статья (631,9 K)
  • 119. Effect of the electric field on ordering of copper phthalocyanine films at the molecular and nano-scale

    Deposition of CuPc under the electric field and without it. The influence of the field on morphological properties. Quantum-chemical modeling and growth mechanisms. The electrical characteristics of the amorphous and crystalline structure of the films.

    статья (620,1 K)
  • 120. 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)

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