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
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, добавлен 22.03.2016The quantum theory of a free real scalar eld as one of the few quantum eld theories that are exactly soluble. The classical structures as relevant for quantization and is used for constructing the Schrodinger representation in the general case.
статья, добавлен 09.09.2012Methods of construction of the automated test systems of radio-electronic technique objects. The basic directions of improvement of existing test systems. Principles and methods of reception and processing of the diagnostic information for AA SD RET.
статья, добавлен 22.12.2016Modern cosmological models describing the macrocosm. A comparative estimate of the maximum lifetime of a de Sitter universe obtained by the method of Don Page and made in the framework of string theory. Paradoxes of phantom energy and quantum mechanics.
статья, добавлен 23.06.2018The review for different devices: Infrared sensor arrays for thermal imaging on active Si read-out chips, resonant cavity enhanced IR detectors, quantum well lasers on Si substrates and "wavelength transformers", structures operated in sub-threshold.
статья, добавлен 28.06.2013Replacement scheme for the calculation of short-circuit time search space for the simplest plot. Diagram of distribution line. Example of calculation for one moving line of AXO between section lines. Scheme of control process of finding places SC line.
статья, добавлен 23.05.2016The application of the methods of calculation of surface and volume losses in the constructional elements of transformers of ferromagnetic steel. A samples definition of heating in the constructional elements of equipment with the single-phase autotype.
статья, добавлен 26.02.2016Some problems with resulting of measurement result related to validity of measurement device are analyzed. The probability distribution of measured values and number of minimum required number of measurement has been obtained from mentioned analysis.
статья, добавлен 08.09.2020Description 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, добавлен 30.08.2016Analysis of the hybrid power plant, which consists of renewable energy sources: solar, wind power. Features of installed equipment and factors affecting its productivity. Analysis of information obtained from the hybrid power plant under investigation.
статья, добавлен 30.04.2018Mechanoactivation of plastic deformations and spatial accumulation of effects leads to nonequilibrium processes, changes in chemical bonds of carbon atoms. Raman spectroscopy is a non-destructive tool for characterizing crystalline carbon structures.
статья, добавлен 03.12.2018The assessment of radiological hazard to the workers involved in manganese mining, industrial applications in Egypt. The natural radionuclides contents of manganese have been determined by low background spectroscopy using hyper-pure germanium detector.
статья, добавлен 28.09.2013Analysis concept of semiconductor is a solid whose electrical conductivity is in between that of a conductor and that of an insulator. Familiarization with the methods carrier recombination. Description features of preparation of semiconductor materials.
статья, добавлен 14.04.2015- 89. Structural features and potential risks for the functioning of the energy security system of Ukraine
Processes, elements, components of factors of influence on the state energy security system. Sensitivity of elements of state energy security system to external and internal factors that directly affect the quality of its functioning. The types of risks.
статья, добавлен 08.01.2024 - 90. Twist extrusion
Research twist extrusion process and the development of its implementation. Characteristic features of the process of homogenization and mixing materials. Consideration of the stages of the formation of sub-micron and nanostructures in metals and alloys.
статья, добавлен 26.03.2016 The qualitative scheme of the formation of ferromagnetic grains in the matrix with non-magnetic layers of condensation. Analysis of the principle of operation of the automated system for research thermoresistive properties of thin film materials.
статья, добавлен 30.07.2016Analysis 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, добавлен 27.06.2016Investigating nanolaminates formed by compaction of FeCo nanoparticles with a very thin coating of a protective carbon or oxide. The hysteretic power loss as a function of frequency. The real, imaginary parts of permeability for soft magnetic materials.
статья, добавлен 28.10.2018Method of nanodispersed Fe2O3 synthesis by thermal decomposition of iron citrate. Particles of synthesized materials in a state of magnetic ordering and in superparamagnetics. Influence of magnetic dipole interaction on parameters of Mossbauer spectra.
статья, добавлен 24.02.2016An 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, добавлен 24.07.2018Areas of application electrodispersion meniscus and the capillary breakup of jets of liquids in a variety of industries with current technology. Education of pulsating microcones. The dynamics of the water meniscus depending on the applied voltage.
статья, добавлен 13.10.2016Conducting 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 03.06.2022A scheme for recording of chirped Bragg diffractive structures in optical fibers based on modified Talbot interferometer with cylindrical lenses. Sizes of interference zone for different recording schemes. Cylindrical lens located in the ray paths.
статья, добавлен 07.12.2018Possible 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 30.10.2016