Rustam Khakimovich Rakhimov

• Заведующий лабораторией at National Institute for Materials Science.Tashkent Uzbekistan

Changes in experimental conditions significantly influence the interference pattern in the double-slit experiment, which is determined by various factors, including the distance and width of the slits, the wavelength, the position of the detector, and the spectral properties of the detector itself. The observer effect, manifested in the alteration...

The synthesis of special photocatalysts of nanostructured functional ceramics (PNFC) under the ZKHM brand under the influence of concentrated solar radiation showed the effectiveness of these ceramic materials in multifunctional use, in particular as additives for coatings of welding electrodes. However, problems with producing these materials in s...

This article examines the use of fractals to estimate the probability of classical events controlled by quantum processes. A hypothesis explaining the opposite charges of the positron and electron is discussed, as well as the relationship with the main modern theories of quantum mechanics, such as quantum electrodynamics (QED), string theory, etc....

Quantum mechanics based on the probabilistic approach provides a powerful tool for accurate prediction and interpretation of quantum phenomena, allowing statistically sound predictions about the behavior of microparticles and quantum systems. This statement emphasizes the probabilistic nature of quantum mechanics, its applicability to quantum pheno...

The article discusses the prospects and technical challenges of developing practical quantum computers. It is noted that quantum computers have a unique ability to perform multiple computations simultaneously, due to the use of quantum effects such as superposition and entanglement. This makes them extremely powerful in solving certain types of com...

The article is devoted to the study of pulsed tunneling effect and its new prospects in the control of superconducting devices. The quantum nature of electrical resistance, including the quantum Hall effect, the Klitzing quantum resistance, and the Josephson effect, is considered. Particular attention is paid to the role of quantum size effects in...

The article discusses the application of the pulsed tunnel effect for obtaining polymeric materials. The main polymerization processes are analyzed, as well as the disadvantages of traditional technologies. The advantages of using the pulse tunnel effect to increase the efficiency of polymerization are considered. Examples of successful application...

The paper presents the results of the study of the synthesis and comparative analysis of film-ceramic composites based on functional ceramics obtained by various methods, including thermomechanochemical and sol-gel methods. The influence of activation of the obtained materials by the pulse tunnel effect on their structure and properties is analyzed...

This work investigates methods for producing ceramic materials based on the Cr2O3-SiO2-Fe2O3-CaO-Al2O3-MgO-CuO system capable of generating modulated pulsed radiation in the far-infrared spectral region. The possibility of synthesizing such ceramics, in addition to helio-technology, using thermomechanical processing and mechanoactivation of the ini...

The article discusses the phenomenon of pulsed tunneling effect and its application to various processes, including laser radiation generation and hydrogen production from water vapor. Various mechanisms of laser operation, in particular the CO2 laser, are considered, and it is assumed that the pulsed tunnel effect can explain their high efficiency...

This study focuses on investigating the potential of modified ceramic technology methods for producing composition materials with nano-level heterogeneity, approximating the properties of functional ceramics (FC) obtained through helio-technology. Three different powder synthesis methods were utilized: oxide method, ceramic technology, and sol-gel...

In the first part of the article discusses fundamental aspects of the pulsed tunneling effect as a unified mechanism for describing tunneling phenomena in various fields of physics are considered. The main provisions of the pulsed tunneling theory developed by Keldysh are analyzed. The features of the effect’s implementation in optics, nanoelectron...

This article explores the prospects of synthesizing materials with a complex of specified properties using the pulsed tunneling effect (PTE) and concentrated solar radiation. The mechanisms of formation of metastable phases and the emergence of unique electrical and magnetic properties due to numerous structural distortions are described. The conce...

See the retraction notice BIO Web of Conferences 84, 00001 (2024), https://doi.org/10.1051/bioconf/20248400001

The article presents the results of research on drying fruits and vegetables using polyethylene-ceramic composite material as a coating for a solar solar dryer. A comparative analysis of the drying efficiency in solar dryers based on composite and traditional polyethylene coating is provided. The conditions and methodology of the experiments are de...

The present work aimed to develop a new coated electrode weld based on ceramic materials. Photocatalysts of nanostructured functional ceramics (PNFCs) were synthesized by means of concentrated solar radiation on ceramic materials. This new process allows the efficient conversion of the energy of the primary source into pulsed radiation, through the...

The article examines the proposed mechanism of optical tunneling effect, which explains the property of functional ceramics to convert solar energy into pulses in the infrared range. It is suggested that the incident radiation is absorbed by ceramic particles, exciting lattice vibrations known as phonons. As phonons accumulate, they transition to a...

This article explores the properties of functional ceramics synthesized using a modified carbonate method. The authors propose and develop new methods of ceramic technology to scale up the process of obtaining ceramic nanocomposites. The study describes a synthesis method for ceramic composite powders based on the use of carbonates as starting comp...

This article explores the prospects of using solar energy for hydrogen production as an alternative energy source. The author discusses the limitations of hydrogen energy, including the economic inefficiency of hydrogen production. The main objective of the study is to increase profitability and address the environmental and energy issues associate...

There are many types of microalgae that can grow in sea and fresh water, having a high lipid content in their composition. Lipids in microalgae are used for the production of biofuels, cosmetics, medicines and other products. This article is devoted to the assessment of optimal growing conditions for such microalgae, taking into account their indiv...

This article discusses the possibility of early earthquake prediction using radon monitoring in conjunction with the method of detecting charged particles, which will allow more accurate prediction of the time of the event, with a more accurate indication of the epicenter of the future earthquake and will dramatically reduce such a drawback as fals...

A method has been developed for obtaining ceramic nanocomposites using elements of sol-gel technology to create inclusions of amorphous phases with a composition similar to the target crystalline ceramic matrix synthesized in a solar furnace. It is shown that when the resulting material is activated by pulses generated by functional ceramics, the p...

This article presents the results of research on the influence of the combined effect of nanostructured functional ceramics (NFC) of the ZKHM brand in the composition of coatings of welding electrodes of the Fe3O4-CaO2-TiO2 oxide system and electrode calcination using standard technology in electric furnaces and in furnaces using NFC radiation on t...

This article presents the results of full-scale tests of a polyethylene-ceramic composite in real conditions, at an altitude of 1100 meters above sea level. This is due to the fact that at this height the level of UV, which destroys polyethylene, is significantly higher than at sea level. In parallel, the results of testing a conventional polyethyl...

The results of comparative tests of a polyethylene film and a film-ceramic composite of sun-dried grapes are presented. A film-ceramic composite based on polyethylene and functional ceramics allows deeper and faster drying of products compared to conventional polyethylene film. The film-ceramic composite, other things being equal, makes it possible...

This article examines the effect of normal load on an infinite piecewise homogeneous two-layer plate when the materials of the upper and lower layers of the plate are elastic. The transverse displacement of the points of the contact plane of a two-layer plate is determined, satisfying the approximate equation obtained in [1], in the case of replaci...

The optimal ratios of the parameters of a solar cell with nano-dimensional hetero junctions that provide maximum power efficiency are determined. It follows from the obtained relations that a solar cell with nano-dimensional hetero junctions can be constructed in such a way that its efficiency will always have the required high level. It is shown t...

Sand and clay dust, unlike domestic dust, contribute to reducing the incidence of covid, as they are good adsorbents of harmful substances

The development of applied aspects of the phenomenon of self - organization in solving the problem of improving the efficiency of solar converters is considered. It is proved that the creation of self -organized nano - sized semiconductor thermal contacts on t he surface of a solar cell can significantly improve the process of converting solar radi...

Efficiency of drying and calcining of welding electrodes in furnaces using radiation from nanostructured functional ceramics (NFC), Comp. nanotechnol., 2020, Issue 2, 64-70

The construction of the Large Solar Furnace in Uzbekistan made it possible to obtain materials with unique properties that are difficult or impossible to obtain in another way. In particular, ceramic materials have been developed that convert the energy of the primary source into pulsed infrared radiation with a controlled rise time of the pulse. A...

A new method for calculating the optical geometrical and optical power characteristics of the formed focal spot of mirror-concentrating systems from individual facets with real accuracy and adjustment characteristics and concentrator zones with a complex configuration is proposed

VORWORT Erz kann 10 x effizienter mit IR.C aufbereitet werden! Peter John, Dr. sc. oec. Das von Rachimov nachgewiesene verschiedenartige Impulsinfrarot auf Basis einer Vielzahl von ihm entwickelten funktionellen Keramiken (IR.C) eröffnet ein neues und sehr breites Spektrum energetisch hocheffizienter Anwendungen. Neben den jeweils bedarfsgerecht ge...

This article discusses forced vibrations of a rectangular two-layer piecewise homogeneous plate of constant thickness, when the material of the upper layer of the plate is elastic and the other satisfies Maxwell’s model, that is, viscoelastic. The transverse displacement of points of the contact plane of a two-layer plate is determined, which satis...

Given the limited mineral resources and the impossibility of using the world’s hydrocarbon reserves in a steady and growing way in the near future, the most important task facing every country is to find a way to prevent the impending energy crisis or alleviate the country’s energy problems. One of the ways to solve the global problems facing human...

This article discusses the analysis of the general equations of the transverse vibration of a piecewise homogeneous viscoelastic plate obtained in the “Oscillation of inlayer plates of constant thickness” [1]. In the present work on the basis of a mathematical method, the approached theory of fluctuation of the two-layer plates, based on plate cons...

Some mechanisms are considered in the form of analysis of the propagation and origin of charged particles involved in acting forces in energy transfer processes that lead to a highly deformed seismically active state and create the necessary conditions for the occurrence of an earthquake. The results of monitoring the registration of charged partic...

In article occurrence of earthquakes and mountain blows and their communication by volcanic processes occurring in a kernel is analyzed. Mathematical modeling is resulted, uniting occurring processes in a kernel, occurrence Р-longitudinal shock waves and the S-intensity before earthquakes. In the given work it is considered, how by means of mathema...

The article presents the results on the application of the Infra-R treatment method obtained at the Penawar clinic, Malaysia

The article describes the developed radiometer for Express measurement of alpha radiation of radioactive elements based on a large-diameter silicon detector. The main element of the PPD detector is made using computer mathematical modeling of all stages of the technological process of manufacturing detectors, taking into account at each stage the d...

This article presents the results of research on the influence of various methods of drying and calcining welding electrodes coated with acid-rutile type standard technology in electric furnaces and in furnaces using nanostructured functional ceramics (NFC) radiation on the welding and technological properties of welding electrodes. According to th...

Technological factors of environmental impact on the protective structures of solar modules are considered. It is shown that the problem of extending the service life of solar converters is successfully solved by improving the technology of their opera-tion - indirect activities. It is shown that after each regular cleaning of the surface of the pr...

Результаты клинических испытаний метода InfraR

This article presents the results of research on the influence of acid-type welding electrode calcination methods by standard technology in electric furnaces and a new method of calcination in furnaces using functional ceramics radiation on the welding and technological properties of welding electrodes and determining the optimal modes of calcinati...

A new method for drying and calcining welding electrodes using emitters made of functional ceramic,

When designing mirror concentrating systems, it is necessary to determine in advance the optical-geometric and optical-energy characteristics of the installation. One is required to choose the mirrors with a reflection coefficient to satisfy the expected energy distribution in the focal area and to pay attention to the accuracy of the reflective su...

The article is devoted to the consideration of the possibility of using a film-ceramic composite based on functional ceramics and polyethylene film in increasing the efficiency of microalgae production. The main advantages of the composite relative to the traditional method arepresented.

The paper presents an optimized manufacturing technology of silicon diffusion n-p detectors, as well as some research data on the spectrometric characteristics of silicon diffusion detectors of charged particles.

The aim of this work is to study the effect of pulsed IR radiation generated by functional ceramics and cavitation on the processes of sedimentation and coagulation of extremely fine fractions. It is shown that these methods are complementary for solving technological problems.

The main relationships of choosing the optimal sizes of elements of mosaic concentrators, as well as large-sized facet elements on a paraboloid and parabolacylindrical basis, are considered taking into account the optimal size of the scattering spot (receiver) at the maximum value of the efficiency obtained for energy-based MCS.

A new method of calculation and accelerated regulation of optical-geometric and optical-energy characteristics of the formed focal spot of mirror-concentrating systems from individual facets with high accuracy and alignment characteristics and concentrator zones with a complex configuration of a Large Solar Furnace was developed

The article presents the main basic laws of nature and modern theories of the nature of electromagnetic radiation, its generation, characteristics, and laws of reflection, absorption and scattering of light. The principle of transformation of the radiation spectrum of the primary source using the developed ceramic materials are shown, as well as ex...

The paper presents the optimization of the manufacturing technology of silicon-lithium Δ Ε -detectors of large size, as well as some research data on the radiometric characteristics of silicon-lithium Δ Ε -detectors with a diameter of 4-8 cm and a radiometer based on them.

The paper reports the preliminary results of laboratory-industrial tests of active ceramic additives (ACAs) to lubricant in metal-metal friction pairs in order to elucidate the extent of the decrease in the friction coefficient and the restoration of electromechanical equipment, as well as the extension of its service life and energy saving.

In this paper, we considered the peculiarities of functional ceramics synthesized in a large solar furnace generating high-density impulses in the far IR region with a steep pulse rise. We showed the effectiveness of pulsed radiation in the IR region in the synthesis technology of complex compounds.

The purpose of the paper is to create a system that allows carrying out effective drying with the greatest quality of the product obtained and high sterility under minimum expenditure of energy and time. In the first part, the principles of functional ceramics selection are given. It is shown that the application of the system of converting the pri...

This work deals with the study of the possible use of film-ceramic composites that are based on functional ceramics to increase the efficiency of silicon solar photoconverters (PCs). It is shown that the efficiency of conversion of the visible spectrum of solar radiation can be increased by 25% and more, both due to the conversion of the shortwave...

The effective drying of raw cotton using functional ceramics synthesized in a large solar furnace was developed (city of Parkent). Two kinds of ceramics are used to achieve the established goal. One of these methods ensures the high-quality, effective drying of raw cotton, while the other is used to prevent the formation of peroxile radicals from c...

The results of research on the design of steam removal systems for radiation drying are described. It is proved that labyrinth and ejector systems are the most effective. It is shown that the advantage of an ejector system is uniform drying of the product throughout the process, which weakly depends on the degree of loading of shelves. In addition,...

A cascaded converter of solar radiation is developed based on functional ceramics and a polyethylene film of 100 μm in thickness. It is shown that its use for a solar air heater greatly improves the air temperature as compared with conventional polyethylene film. This effect is achieved by the conversion of the part of the visible spectrum and ult...

A composite material on the basis of a 100-μm-thick polythene film and functional ceramics was developed. It was shown that its application for a solar air heater results in a significant temperature increase in comparison with a conventional air polythene film. We investigated the dependences of temperature increase in the chamber when we placed i...

Powder with grain size about 1 μm has been prepared from a mullite alloy (2SiO2 · 3Al2O3) containing 4.0 wt % of a ceramic, which converts the initial energy to pulsed infrared (IR) radiation. Photo-photon converters have been fabricated on the base of iron sheet of thickness 0.6 mm and the functional ceramic. It is shown that the use of the metal-...

Powder with grain size about one micron is prepared from mullite (2SiO23Al2O3) melt containing 0.5 weight percent of ceramic, converting the primary energy to pulsed infrared (IR) radiation. Composite polyethylene films are produced containing 0.5, 1.0, and 2 weight percent of the obtained charge. Use of these polyethylene- ceramic films is shown t...

Data are presented on the increase of the temperature by 15�C with the use of a film containing 1% of a functional ceramic, and the evaluation of the economic effectiveness of the heated agricultural facilities and the various solar heating and drying systems with the transparent enclosures upon replacing the conventional film or glass with this co...

The prospects for radiation drying with the use of a ceramic-containing polymer film are examined.

The current problem of conveyor and cabinet drying of various materials is considered. Radiation infrared drying using nonlinear infrared radiation (IR) transducers based on a functional ceramic is studied. Use of IR of a special spectral composition and structure makes it possible to shorten processing duration considerably, to improve product qu...

The results of testing the ceramic-coating dryers which point to the pulsed character of their IR emission are presented. The emission is qualitatively explained as induced by an energy barrier present in the surface layers of ceramic grains. It is shown that the heat conductivity from a heater to a receiver through the ceramic layer with photon he...

The feasibility of multipurpose use of solar capacity collectors for water heating, IR-drying and therapy is discussed. Solar engineering industry is focusing on development of cheap low-potential solar units for a wide range of customers. Coating the back surface of the solar collectors with a ceramic layer, which converts heat into IR radiation i...

The results of studies of the possibilities of applying functional ceramics synthesized in the big solar furnace (BSF) to various cooling systems are reported. It is shown that the application of special ceramic coatings in cooling systems provides effective heat removal because of the more effective removal of excess supplied energy.

The development of ceramic converters of solar energy into infrared radiation (IR) is discussed. The ceramic converters of solar energy into therapeutic IR radiation can be presented as glass and metal plates with ceramic layers deposited on them. The mechanisms of pulsed thermal radiation of ceramic with an energy barrier are also discussed.

Results of the studies on the determination of the maximum emissivity of ceramics synthesized in a big solar furnace (BSF) are given. It is shown that the emissivity of target materials depends not only on the stoichiometric composition and synthesis production processes, but also on the concentration of the binding components.

Results of the studies on the calculation and optimization of the composition of the starting components in order to obtain ceramics with a given stoichiometric ratio between the components of the final products obtained in a large solar furnace are reported.

Individual components are melted and a charge consisting of a microgranular insulator and semiconductor additives is sintered in the solar furnace. The appearance of IR radiation in the photoluminescence spectrum of ceramics is possibly the result of the formation of hetero/p-n-junctions in the intergranular layers of the insulator base.