Two variants of the operative conditions of heat and power plants with technological schemes where heat pumps are used for utilizing the heat of exhaust gases of steam generators. System of the automatic control of frequency and power as power system.

The simulation of microscopic optical potential based on calculations of the one-particle Green function mass operator using the effective Skyrme nucleon-nucleon forces has been applied for analyzing powers of the elastic nucleon-nucleus scattering.

Mathematical models and algorithms of determination of power losses in an inhomogeneous electric networks caused of their interaction. A way to reduce these losses by means of linear regulators that are installed in the electric networks of low voltage.

Calculation of main electrical value and determination of isolation distances. Determination of the mass of the active part of the magnetic circuit, building materials and oil. Description of the design of transformers. Calculation of the HV winding.

It is considered the modular object-oriented dynamic learning environment Moodle which provides a full-fledged and modern study of disciplines, including mathematical ones, satisfying the various needs of teachers and students in the interactivity.

Development of optimization method for wind power stations using integral assessment of the object and the method of dynamic programming. The stability of the system, the percentage capacity increase. To determine the optimal structure of a wind station.

Разработка методики проведения p,p,T,x–измерений для гомогенных систем вода–спирт методом пьезометра постоянного объема. Построение диаграмм в различных сечениях термодинамической поверхности. Оценка изотермических изменений термодинамических функций.

Опис механічного стану речовини за допомогою відомих величин тиску, температури і об'єму. Математичні критерії критичного стану речовини. Розвиток теорії з питань опису властивостей газів і рідин. Ізотерми ідеального газу в системі координат P-V-Т.

Усилитель как элемент системы управления, предназначенный для усиления входного сигнала до уровня, достаточного для срабатывания исполнительного механизма, за счёт энергии вспомогательного источника. Oбoзнaчeниe бипoляpныx тpaнзиcтopoв нa cxeмax.

The non-relativistic particle tunneling and scattering through a spherical three-dimensional potential barrier (either rectangular, or Coulomb repulsion), containing a spherical potential rectangular well with a hard core inside, had been studied.

A numerical technique has been used slove the carrier transport equations for PbSnTe photodiode configurations. The model computes the spatial distribution of the electric field, electron concentrations and the generation-recombination of the mechanism.

Analysis of new information on solar-terrestrial relations obtained using the PC index of magnetic activity. Acquaintance with the features of the correlation between the Ekl and PC variations during magnetic substorms for the period from 1998 to 2017.

Оperating qualities of pin laminate of Cu - Mo used in low-voltage contactors outdoors. Performance of contactors with silver based contacts. Development of recommendations on effective application of such material to replace silver based compositions.

Challenges of biofuel production. The main characteristics of the liquid biofuels production and consumption. Development trends of biofuels production with crop raw material. Economic incentives at different stages of the value chain of liquid biofuels.

Structure-phase state, magnetic resistance investigation of Ni/Au/Ni film systems was carried out. Studying dimensional magnetic resistance. It was shown that in Ni/Au/Ni film systems is preferentially presents magnetic resistance in perpendicular pane.

The synergetic model of boundary friction - the system of equations for the stress, strain and temperature, describing the nontrivial behavior of the ultra thin lubricant film. The influence of shear modulus deformation defect on hysteresis phenomena.

Thermal treatment results in the formation of additional amorphous nanoclusters and in their crystallization with anneal temperature increasing. Nitride films annealed at 1200 °C contain crystalline Si clusters only. Characteristics of SiNx films.

Phase transition for US gauge field is considered. A lower bound of the phase transition temperature by comparing of the average energy for the perturbative and nonperturbative regimes is estimated. In a scalar model of glueball its energy is calculated.

Photocatalytic NaAuCl4 reduction by ethanol with participation of ZnO nanocrystals that results in the formation of gold nanocrystals with the mean size of 25–30 nm. Exceptional capability of gold nanocrystals to accumulate and retain negative charge.

The effects of increase in photoconductivity in the macroporous silicon structures. Founding to achieve a maximum at the distance between macropores equal to the double thickness of the Shottky layer what corresponds to the experimental results.

The method of metal-stimulated etching and electrochemical anodic etching were compared. The photoelectric properties of the resulting structure are influenced by the processes of recharging traps. The highly sensitive photodiodes in solar energy.

Intensification of billet deformation for reaching effect of macroshift deformations during stretch forging in combined dies is grounded. Technological modes for approximation work-piece cross-section to round shape and getting resource saving effect.

Features of the physical mechanism of hermetic sealing and storing the air cavity of large volume, based on using magnetic fluid. The use of a mechanism for creating devices of sampling and chemical analysis of gases in mines and chemical industry.

Concept of energy security. Direction of Poland's energy transformation, diagnosis of threats and challenges. Production and forecast of electricity production in country up to 2040. Reduction of emissions, nuclear power plant, renewable energy sources.

The concept of influence of protons on superconductivity and the ideas for determination of superconducting materials with 200K. A superconducting impurity in some layered phases. The study sample with an optimal interlayer electrostatic potential.

Distribution of solid solution on phase diagram. Solid homogeneous feldspars. Term for albite exsolution lamellae in K-spar matrix. Examples of post-crystallization. Smoother boundaries from recrystallization. Replacement of one mineral by another.

Investigation of the post-radiation accumulation of F4 centers in gamma-irradiated LiF crystals after combined (simultaneous or sequential) exposure to moderate heat and a constant electric field. The analysis of the obtained results is carried out.

The energy industry is energy, which includes generation, transmission and distribution of electricity. Thermal power plant is a power plant producing electrical energy by converting chemical energy. Nuclear power plant is a complex of necessary systems.

The efficiency of a thermal power cycle. Use of waste heat for process or central heating. Ways to increase the overall efficiency of the power plant. A combination of different thermodynamic cycles in a combined cycle. Once-through cooling systems.

In this paper we represent the distinguished laser interferometer technique that allows the wide sort of precise object displacements to be measured with the instrumental resolution up to 1 pm. Indicated the accuracy of reading of the interferometer.