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.
Подобные документы
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, добавлен 03.06.2022Possible directions to normalize the fuel and energy balance of Ukraine. Necessity of technical upgrade and modernization of allocated boiler installations, as well as reequipment and modernization of power plants industrial sites infrastructure.
статья, добавлен 29.11.2016The calculating of the elements of a picture of thermosphere circulation, direction of thermosphere wind over Kharkiv. The calculations of constituent part of vertical component of ionospheric plasma velocity caused by horizontal neutral winds were made.
статья, добавлен 30.10.2016Unique 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, добавлен 30.07.2016Movement of particles in the dielectric fluid toward the electrode of opposite charge. The study of the electrical and optical properties of the electrophoretic display composition of the suspension. Key factors determining the quality of the image.
статья, добавлен 30.07.2016The benefits of using improved magnetic materials for electric devices. The mechanism of effect of magnetic field on the formation of ferrite particles in the polymer matrix composites. The calculation of the amount of filler in a phase transition.
статья, добавлен 30.07.2016Factors 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, добавлен 13.10.2016Analysis of differential equations encountered in various applications, which are interpreted as equations in graphs. Using graph properties to create a high-quality theory of such equations and methods for their solution. Description of the graph struc
статья, добавлен 12.08.2020A new hydrodynamic theory. The structure formation in deformed materials. Self-consistent non-local formulation of the boundary-value problem for a high-strain-rate process. A penetration for a flat rigid plate into a viscous elastic medium.
статья, добавлен 28.10.2018A mathematical model of multiphase cylindrical apparatus for bulk materials treatment with radio frequency electric field. Analysis of the distribution of the electric field inside the zone restricted with multiple connected circular arc-shaped boundary.
статья, добавлен 29.07.2016SiCN 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, добавлен 30.07.2016Familiarity 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, добавлен 23.12.2016In the article, author defines the theoretical component of the introductory process from the point of view of the laws of thermodynamics. At the ecosystem level, plant groups with environmental conditions characteristic for each species were analyzed.
статья, добавлен 03.09.2022Electric field of radio frequency. Mathematical model of multiphase cylindrical apparatus for bulk materials treatment. Connected circular arc-shaped boundary on the basis of the field coupling problem of the theory of singular integral equations.
статья, добавлен 29.07.2016Implementation 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, добавлен 05.11.2018The practice of processing natural gas to pipeline dry gas quality levels. Oil and condensate removal. The actual process used to separate oil from natural gas. Natural gas processing. An example of absorption dehydration is known as Glycol Dehydration.
статья, добавлен 10.03.2019Mathematical formula of W. Sabine for calculating the reverberation time in a room, a measure of how quickly or slowly sound energy dies away in an enclosed space. Studying the behavior of sound in rooms and absorption of sound energy by the materials.
статья, добавлен 09.09.2012The results of experimental studies of the magnetooptical Kerr effect of thin-film systems based on Niand V. Dimensional and temperature dependencies of the Kerr effect are shown, as well change of MOKE-loop shape at different annealing temperatures.
статья, добавлен 30.07.2016The procedure of creation, check and adjustment of detailed dynamic model of an electric power system. Criteria of verification and quality indicators of authenticity of dynamic models. Definition of sizes of the measured meanings of voltage frequency.
статья, добавлен 23.06.2013The studying of the accuracy and precision of internal comparator k0 and external comparator k0 methods in industrial application. Instrumental neutron activation analysis and determination of concentrations of major elements in two slag samples.
статья, добавлен 19.09.2013Foundations 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, добавлен 04.11.2018The study the fragmentation of solids during the process of severe plastic deformation using the Landau theory of phase transitions. Review of appearing defect structures of grain. Thermodynamics of fragmentation of solids at severe plastic deformation.
статья, добавлен 30.07.2016- 123. The basics of forming the principles of functioning and development of the energy market in Ukraine
The article examines the historical aspects of the formation the energy market of independent Ukraine. The first principles and features of the Ukrainian energy market and their effectiveness are given; steps towards European integration are summarized.
статья, добавлен 19.12.2023 We consider the formulation of the problem in which Monte Carlo methods are used to assess the quality of pseudo-random sequence generators. A criterion is formulated for optimizing pseudo-random sequence generators with a uniform distribution law.
статья, добавлен 07.11.2018- 125. What is energy
Concept and general characteristics of energy, as well as the main parameters used for evaluation. Analysis of the need to find new sources of energy to meet the growing needs of mankind. Alternative means to obtain it, the prospects for development.
реферат, добавлен 15.03.2016