bluuebunny/crossref_metadata_2025 huggingface dataset:
INDIA AT 2050: FORECASTING INDIA'S GDP USING AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA)
Authors:   Sri Aurobindo College (Evening), Department of Commerce, University of Delhi, Agarwal Archana
Published: January 2025

The global power structure has evolved dramatically since World War II, transitioning from a bipolar world through unipolar dominance to today's multipolar reality. While the United States maintains significant influence, emerging powers like China and Russia, alongside an increasingly assertive Global South, are reshaping international dynamics. This transformation has given rise to ‘Collaborative Coexistence,' where nations prioritize pragmatic cooperation over ideological alignment. Within this context, India's emergence, particularly since 2014, represents a remarkable story of economic growth and diplomatic maturity. The country now stands as an economic competitor to the US and China while pursuing an independent political path, balancing neutrality with active participation in addressing global challenges. Drawing strength from its democratic foundations and multilateral approach, India has gained substantial international influence. Economic projections using ARIMA (Auto Regressive Integrated Moving Average) methodology suggest India's economy could exceed USD 27 trillion by 2050. This paper employs ARIMA (2,1,3) and examines this trajectory through 2050, arguing that these developments position India to define what may become the 'Indian Century.'
The impact of tourism on economic growth in ASEAN-5 countries: Evidence from panel data analysis
Authors: Maulana M. Sandy , Shahfina Pocut Nazwa Zia , Mardhani Martahadi , Andiny Puti , Safuridar
Published: January 2025

Study This analyze influence sector tourist to growth economy in five ASEAN countries (ASEAN-5), namely Indonesia, Malaysia, Thailand, Singapore, and the Philippines, using panel data from 1995 to 2023. With​ use approach quantitative and panel data regression models , research This find that amount traveler foreign , acceptance tourism , and value swap in a way significant influence growth the economies of these countries . The results of the analysis show that improvement amount traveler foreign and acceptance tourist own impact positive to growth economy , while mark swap contribute significant in increase growth . Findings This confirm importance sector tourist as booster economy and its necessity supportive policies​ development sector This For increase growth economy in the ASEAN region.
INFLUENCE OF SUPRAMOLECULAR STRUCTURES OF POLYMERS ON THEIR ELECTRO-OPTICAL PROPERTIES
Authors: Matveev Yuri , Askadskii Andrey , Matseevich Tatiana
Published: January 2025

The influence of supramolecular structures on the optical characteristics of polymers is considered. Studies of fluorine-containing acrylic polymers with fluorine-containing electro-optical chromophores in the side chain have shown that they should have a fibrillar supramolecular structure. The preservation of the fibrillar structure determines the technical condi-tions (temperature range) for the operation of high-speed integrated optical modulators and switches. The polymers con-sidered in the work were divided into three types according to the degree of polarization kp: polymers for which kp1 = 1.39; polymers with kp2 = <1.17>; polymers with kp3 = 1.003. To calculate nonlinear optical characteristics, the Jepsen equation was used. The possibility of calculating the polarizability of a polymer x from experimental values of the dielec-tric constant εexp is shown. The approach being developed can be used in medicine and biology to analyze the functioning of neurons (tubulin protein) and identify the causes of age-related changes in human memory. The latter is due to plastici-zation of tubulin and disruption of its fibrillar structure over time at brain temperature.
ELECTRICALLY CONDUCTIVE CEMENT SYSTEMS BASED ON CARBON BLACK AND CARBON FIBER
Authors: Larsen Oksana , Bakhrakh Anton
Published: January 2025

An approach to the production of conductive concrete with the heating property based on a Portland cement binder and conductive components is presented. The influence of the content of conductive components introduced into the con-crete mixture, which are carbon black K-354 and P-803, graphite, carbon fiber on conductive properties, is considered. The influence of the presence of free water in the pore space of concrete on the formation of a conductive structure with the content of conductive components below the percolation threshold of electric current has been studied. The influence of the volume concentration of conductive components on the value of electrical resistivity and its change during the hardening process at the age of 3 to 56 days is shown. The compositions of a composite conductive material based on Portland cement, carbon black and carbon fiber with a specific electrical resistance from 1.12 to 0.26 Ohm·m at the age of 56 days are obtained, which do not change significantly during hardening and further use.
THE POSSIBILITY OF USING ASH AND SLAG WASTE FROM INCINERATION TO PRODUCE HEAVY CONCRETE
Authors: Tang Van Lam , Nguyen Dinh Trinh , Hoang Anh Cuong , Bulgakov Boris , Aleksandrova Olga
Published: January 2025

Under the current trend of construction of incinerator power plants in Vietnam, research aimed at solving the problem of utilization of their ash and slag waste is necessary to create a closed-cycle economy. In addition, mass extraction of natural quartz sand negatively affects the ecological situation in the country. The most realistic way out of this situation is the use of synthetic sand as a fine aggregate. The purpose of this study was to obtain heavy concrete using ash and slag waste from incinerator power plant and artificial sand. The article presents the results of experimental research on the use of ash and slag waste from the Green Star incinerator for heavy concrete. Portland cement type CEM I 42,5 H of “But Son” plant, the synthetic sand obtained by limestone crushing, limestone crushed stone of 5 ÷ 10 mm fraction, fly ash, the finely ground bottom slag, the ceramic powder and water-reducing superplasticizer were used as raw materials for concrete production. The results of research showed the possibility of using up to 20% wt. % of the fly ash and the finely ground bottom ash for the production of the heavy concrete. The received concrete mixture has good workability, its mobility on cone settlement makes from 15 to 20 cm, and com-pressive strength of hardened concrete after 28 days makes more than 40 MPa. The obtained results open wide prospects for the use of ash and slag waste from incinerator in construction in Vietnam.
FIBER REINFORCED SINGLE-COMPONENT CEMENT-SILICATE PAINT
Authors: Yakovlev Grigory , Polyanskikh Irina , Pudov Igor , Saidova Zarina , Buryanov Aleksandr
Published: January 2025

This study presents the results of physicochemical methods of analysis of structure and properties of one-component cement-silicate paint modified by the addition of chrysotile nanofibers on the basis of technogenic wastes of Bazhenov chrysotile 7 grade. The main purpose of adding fibers to the paint composition is to increase the heat resistance and crack re-sistance of the applied coating on the surface of silicate-based artificial stone materials. Using differential-thermal analysis it is shown that chrysotile fibers increase the thermal resistance of cement-silicate paint up to 600ºC, which is predetermined by the temperature of destruction due to dehydration of chrysotile fibers during heating. When analyzing the micro-structure of cured paint using energy-dispersion analysis it is shown that due to chemical affinity of fibers with cement-silicate matrix on the interfacial surface of fibers the formation of amorphous and crystalline phases providing reinforcement of cement-silicate matrix is provided, which, being simultaneously the centers of crystallization, provide the creation of a single conglomerate, which increases the crack resistance of coating on the basis of cement-silicate paint. During operation, simultaneous improvement of properties of cement-silicate paint is achieved due to continued hydration of Portland cement minerals, which provides compaction and adhesion of paint to the painted surface. This allows its application in an extensive temperature range without flaking, cracking and release of undesirable gaseous products. IR-spectral showed that the surface of cement-silicate paint additionally undergoes carbonization under the influence of moisture and carbon dioxide in the environment, which increases the water resistance and durability of the coating. Formation of porous structure of cement-silicate paint in the process of hardening provides vapor and mass exchange, preventing the destruction of the coating in the process of oper-ation.
GLASS MICROSPHERE PRODUCTION WASTES AS POTENTIAL RAW MATERIALS FOR PRODUCTION OF CONSTRUCTION MATERIALS
Authors: Trofimov Alexandr , Belov Vladimir , Vologin Nikolay , Kosolapov Alexey , Shishaev Denis
Published: January 2025

Rational use of secondary energy resources (SER) is currently given special attention. In this regard, a promising and actively developing technology of industrial waste utilization is the deposition technology. This technology consists in adding construction waste to the composition of new materials. As a result, completely new modifications of materials with improved characteristics are obtained. An acute problem is the shortage of raw lightweight components of construction mixtures on the market. Such mixtures are necessary to produce materials with high thermal insulation properties. These materials not only increase the level of comfort of living in buildings, but also due to lower density, create less load on the load-bearing structures of buildings. The use of such materials is very important for saving material and energy resources. Hollow glass microspheres are widely used as light fillers of raw material mixtures of building materials. The paper considers the physical and chemical properties of glass microsphere production wastes for the purpose of their use as micro fillers for lightweight concrete and other building materials. It is shown that these wastes have density and specific surface area comparable and even much lower than the density of traditional disperse fillers. It is established that glass microspheres production wastes can serve as an excellent raw material for lightweight concrete production. Their introduction into the composition of raw material mixtures will contribute to the reduction of costs for the extraction of natural resources and energy for their processing.
PROSPECTS FOR THE USE OF POLYMER WASTE AS CONCRETE AGGREGATES
Authors: Baruzdin Aleksandr , Zakrevskaya Lyubov
Published: January 2025

The main aspects of the use of polymer waste as concrete aggregates are presented. Based on the analysis of literature sources, it was found that crushed polymer waste, including hard to recycle crosslinked polymers, can be used as an aggregate in concrete, which can significantly reduce their negative impact on the environment. The introduction of a polymer aggregate reduces the density and thermal conductivity of the concrete, increases its abrasion resistance, erosion resistance and chemical resistance, can slightly reduce shrinkage and the formation of microcracks. At the same time, concretes with polymer aggregate have reduced mechanical characteristics compared to traditional concretes, which modern scientists attribute to insufficient adhesion of the polymer aggregate to the cement matrix, their elastic incompatibility and limited hydration reaction near the grains of the polymer aggregate. To increase the adhesion of the aggregate to the cement ma-trix, it is necessary to provide an irregular, rough surface of the polymer particles. It is possible to apply special compositions to the aggre-gate particles that increase the adhesive properties or introduce polymer additives into the cement matrix. To ensure high mechanical characteristics of concretes with polymer waste, it is preferable to use waste with the highest modulus of elasticity to reduce the elastic incompatibility of the aggregate and the matrix and ensure unloading of the mortar part. Concretes with polymer waste aggregate can be used in the construction of floors, tile elements, facade elements, wall blocks. The use of polymer waste is also possible in the composition of chemically resistant concretes.
SELF-STRENGTHENED GYPSUM COMPOSITIONS BASED ON FLY ASH
Authors: Petropavlovskii Kirill , Kalyaskin Pyotr , Petropavlovskaya Victoria , Novichenkova Tatiana
Published: January 2025

This work is devoted to the study of self-reinforced gypsum stone with increased strength properties and low creep due to the reinforcement of the gypsum matrix with filiform ettringite crystals. However, with this method of self-reinforcement, difficulties may arise in providing a sufficient volume of an alkaline medium when using a saturated solution of calcium hydroxide obtained by slaking air calcium lime. The method is simplified by replacing saturated lime solutions with powder mixtures of fly ash captured by electrostatic precipitator systems during combustion of coals from the Kansk-Achinsk brown coal basin at thermal power plants. Gypsum composite based on fly ash has increased strength, which confirms the possibility of effective use of fly ash from the combustion of brown coal in building gypsum composites used to create structural elements of buildings. According to the study of the results of microscopic imaging of the resulting self-reinforced structure, the forming gypsum matrix becomes denser with differently directed crystals and fly ash microspheres included in the work. Utilization of fly ash waste in the composition of reinforced composites allows not only to simplify the method of self-reinforcement, reduce costs, but also to solve the problem of recycling chemically active ash.
KINETICS OF MINERAL FORMATION IN THE SYNTHESIS OF SULFOALUMINATE CLINKER BASED ON INDUSTRIAL WASTE
Authors: Min Hein Htet , Potapova Ekaterina , Rudomazin Viktor
Published: January 2025

The kinetics of mineral formation in the synthesis of sulfoaluminate clinker using industrial waste as raw materials has been studied. The use of industrial waste makes it possible to synthesize high-quality sulfoaluminate clinker and cement based on it. Various physico-chemical analysis methods have shown a change in the amount of calcium sulfoaluminate and mayenite formed during the firing of raw mitures at temperatures of 1250, 1300 and 1350 ° for 30, 60 and 90 minutes. A kinetic analysis of the mineral formation process was carried out using 12 kinetic equations, which made it possible to es-timate the reaction rate of clinker formation and optimize the synthesis process. The dependences between the rate of for-mation of clinker mineral phases and various parameters of the reaction mixture have been experimentally established. The results obtained can be used to improve the technological processes for the production of sulfoaluminate clinkers based on waste and reduce energy consumption for this process.
NANOTECHNOLOGY IN THE PRODUCTION OF BUILDING MATERIALS: A THEORETICAL STUDY
Authors: Kozlova Irina , Samchenko Svetlana
Published: January 2025

The modern stage of development of the construction industry begins to apply nanotechnology. Nanotechnology makes it possible to create a wide range of construction materials. This is done by controlling both the external and the internal structure of materials. The use of nanotechnology leads to the creation of new composite materials with truly unique characteristics. Developments of scientists in the field of creation of building materials based on nanotechnology are less applied on an industrial scale than in other spheres of national economy. In this study nanotechnology is considered as a set of techniques, chemical and physicochemical methods aimed at synthesizing in the volume or on the surface of the material structures having at least one direction of nanoscale. The methodological basis of the work is the analysis of literature data on the use of nanotechnology in building materials science. The result of the study was the identification of the synergistic effect of nano- and ultradisperse particles on the production of new building materials using nanotechnology. Obtaining high-quality nanostructured material containing nano- and ultradisperse particles of different nature is associated with significant difficulties. Their introduction in the form of powder into cement or other binding matrix is a very complicated process. Nano- and ultradisperse particles are prone to ag-glomeration. To achieve uniformity of their distribution in the volume of material is a difficult task, which is the subject of many studies. In the process of analyzing the literature data, the authors came to the conclusion that it is necessary to apply various technological methods for uniform distribution of nanoparticles in the volume of the material. This approach will allow to increase physical-mechanical, organoleptic and other properties of building materials.
PROBLEMS AND PROSPECTS OF USING OF ALUMINATE CEMENTS TO PRODUCE UNMOLDED REFRACTORIES
Authors: Krivoborodova Svetlana , Korshunov Andrey
Published: January 2025

The growth of production and improvement of technologies in various industries stipulates the need for materials that ensure the durability of thermal unit linings. This is predetermined by the need to create high-alumina cements (HAC) despite the suc-cesses achieved in the field of expanding their range and improving their quality, i.e. their creation is an important and actual task. Among the various directions of research on improving the technical properties of HAC, the researcher’s attention is at-tracted by the influence of changing the technological parameters on the processes of cement clinker formation. Among such pa-rameters, special attention is paid to the chemical composition of the raw material mixture, its homogeneity, firing temperature, cooling rate, introduction of various additives, etc. The question of refractory properties of high-alumina cement is also dis-cussed. A separate issue is the refractory properties of high-alumina cements. The task of this study was to consider the physico-chemical and technical properties of aluminate cements and to establish the main problems and prospects for the use of alumi-nate cements for the production of non-molded refractories. Improvement of heat-resistant properties of non-formed refractories based on aluminate cements can be provided by the introduction of more refractory additives into the raw material mixture dur-ing clinker firing. However, in this case, formation of hydration inactive compounds in the cement composition can be expected, which can lead to a decrease in cement strength. The methodological basis is the analysis of literature data on the search, synthe-sis and application of refractory additives for aluminate cements. The result of the study was the identification of the list of addi-tives providing higher heat-resistant properties of non-formed refractories based on aluminate cements. The most promising and the most demanded at present is the use of zirconium compounds in combination with a mineralizer for firing. The importance of large-scale scientific research in this area is also substantiated.
EXPANSION OF HARDENED CEMENT PASTE IN COMPOSITE BINDING SYSTEM BASED ON STEELMAKING LADLE SLAG
Authors: Moshkovsky Denis , Turusheva Ekaterina , Moshkovskaya Svetlana , Lotarev Vadim , Samchenko Svetlana
Published: January 2025

In modern conditions, the construction industry of the Russian Federation is aimed at the introduction of progressive inte-gral approaches that consider the possibility of significant reduction of industrial waste accumulation, as well as its prevention. This can be done by increasing the range and volume of recycling of secondary materials and technogenic waste at construction industry enterprises. The proposed steelmaking waste can replace imported aluminate and sulphoaluminate cements, reduce the cost of composite binders and ultimately improve the environmental situation in our country. The paper studies linear defor-mations of cement mortars based on composite binders obtained using steelmaking waste - ladle slag, the influence of the type of sulphate component on the shrinkage-expansion deformation of hardened cement paste is studied.
MULTIMATERIAL 3D-PRINTING OF FUNCTIONAL CERAMIC DEVIC-ES
Authors: Ragutkin Alexander , Yushin Denis , Netreba Anastasia , Sanzharovskiy Alexander
Published: January 2025

In recent years, there has been a trend towards miniaturization of functional ceramic devices while improving their characteristics. At the same time, the process of rapid prototyping becomes much more complicated and the cost increases when using classical production technologies.
Being an evolving technology, multimaterial 3D printing is able not only to create ceramic products of complex shapes (including those inaccessible when using classical technologies), but also to accelerate the prototyping speed by orders of magnitude with a significant reduction in cost.
This article reviews the latest developments in the field of multimaterial 3D printing techniques, as well as a compre-hensive study of functional ceramic materials and processes suitable for 3D printing for various functional ceramic devic-es, including capacitors, multilayer substrates and microstrip antennas. In addition, the key problems and prospects of functional ceramic devices with 3D printing from several materials were identified and future directions were discussed.
PROPERTIES OF GYPSUM COMPOSITES USING AGGREGATE FROM AUTOMOBILE TIRE RECYCLING WASTE
Authors: Larsen Oksana , Markov Yuri , Vasil'kin Andrey
Published: January 2025

The possibility of application of aggregate on the basis of waste recycled car tyres in gypsum-concrete composites is considered. Technological, physical-mechanical, thermal and acoustic properties of the composite with the content of light-weight aggregate 5, 10 and 20 % are investigated. The data for two types of rubber crumb: 0.8- and 0.6-mm fractions are presented. It was found that the introduction of lightweight aggregate of 0.6 mm fraction reduces the mobility of the mix-ture by 10.8, 21.6 and 45.9 %, respectively, and the aggregate of 0.6 mm fraction by 8.1, 29.7 and 40.5 %; the introduc-tion of rubber crumb of 0.6 fraction reduces the compressive strength by 30, 38 and 55 %, the introduction of lightweight aggregate of 0.8 mm fraction reduces the strength by 27, 36 and 56 %, respectively; density of gypsum concrete with 0,8 mm fraction aggregate decreases up to 1190 kg/m3, and with 0,6 mm fraction up to 1170 kg/m3; thermal conductivity of the composite decreases by 20 % at introduction of 20 % of rubber crumb of 0,6 mm fraction, and 0,8 mm fraction by 14 %; acoustic properties increase, the efficiency of sound absorption of gypsum concrete without filler was 5,2 - 39,6 %, with light filler of 0,6 mm fraction and 20 % content was 6,5 - 47,6 %, and 0,8 mm fraction was 7,9 - 50,4 %. The developed composition can be used as an initial composition for production of gypsum board, gypsum plasterboard sheets and other similar products.
EXPERIENCE OF NANO CONCRETE APPLICATION IN PRODUCTION OF THREE- LAYER WALL PANELS IN THE FAR NORTH CONDITIONS
Authors: Myarikyanov Igor , Kozlova Irina , Alpatskiy Dmitry
Published: January 2025

For the construction in the Far North, it is important to use high-strength building materials with high frost resistance, strength and low density. Such materials include nano concrete, which includes stabilized dispersions of carbon nano-tubes. The strength and relatively light weight of the reinforced concrete product based on nano concrete determines its high characteristics of the object, which leads to a reduction in transportation costs, labor intensity, installation of structural elements and reduces the cost of the construction object by 20%. A 6x6-meter garage has been proposed as an experimental building in the conditions of the Far North. For the construction, three-layer nano concrete wall panels were man-ufactured using mobile plant technology. The use of nano concrete made it possible to reduce the thickness of the concrete layer in the structural element on each side to 25 mm and reduce the weight of the product, as well as reduce the consumption of cement in the concrete mixture.
TRENDS IN THE ADDITIVE MANUFACTURING TECNOLOGY IN THE FIELD OF ARCHITECTURAL ENVIRONMENT DESIGN
Authors: Zemskova Olga , Filimonov Artem , Borisenkov Nikita , Shapovalova Irina
Published: January 2025

Additive technologies expand the boundaries of creative possibilities and allow to create unique objects and elements in the field of architectural environment design. The article discusses modern 3D printing technologies in the field of architectural environment design. The tasks of the architectural environment designer are highlighted. The process of objects layout design using 3D printing methods is covered in detail. The importance of the prototype creation stage is noted as the stage that additive technologies influence the most. Special attention is paid to the materials used to create architectural environment design objects using various 3D printing methods. The problems of 3D printing with cement mixtures and con-cretes related to their physical and chemical properties are analyzed. The trends in the application of additive technologies in the field of architectural environment design are determined.
ACTIVATION HARDENING OF PORTLAND CEMENT WITH ADDITION OF GRANULATED BLAST FURNACE SLAG
Authors: Krivoborodov Yuri , Lezhebokov Dmitry
Published: January 2025

The cement industry has accumulated a great positive experience in the use of metallurgical slags in the production of binding materials. The volume of slag utilization in the construction industry is 5...8% of their annual output. This predetermines the necessity of effective utilization of slags in construction. It is necessary to develop new methods and techniques to improve the quality of Portland blast furnace slag cement and concrete on their basis. The researches on increase of activity of blast furnace granulated slags and Portland blast furnace slag cement by their separate and joint activation in aqueous medium have been carried out. The activation was carried out immediately before the preparation of concrete at the construction site. The activation was carried out in apparatuses under hydrodynamic and cavitation impact. The activation of Portland blast furnace slag cement, as well as the joint activation of cement and granulated blast furnace slag significantly increases the strength of concrete samples. The specimens obtained on the basis of activated Portland blast furnace slag cement have in-creased early strength. This is due to increased pozzolanic activity of slag and intensive hydration of clinker minerals. The increased late strength of the samples is due to the active participation of blast furnace granulated slag in the formation of the structure of the hardened cement matrix. The obtained results allow more efficient use of metallurgical industry wastes in the production of cements and concretes.
INVESTIGATION OF FLUORINE SUBLIMATION IN THE CLINKER BURNING PROCESS
Authors: Novosyolov Alexey , Dreer Yuliya , Novoselova Inna , Levina Yuliya
Published: January 2025

The article discusses the process of sublimation of fluorinated compounds formed during the burning of a raw mix with the addition of calcium fluoride. The results of the chemical analysis of the burning products of the raw mix without the use of additives and with the introduction of CaF2 in the amount of 1% and 5% fluorine ions are presented. The results of X-ray phase analysis of the clinkers obtained indicate the formation of the main clinker minerals in all samples. Maps of the distribution of fluorine ions in clinker obtained by scanning electron microscopy allowed us to consider the crystalliza-tion of clinker and determine the crystallization sites of fluorinated compounds. The temperature range of the fluorine sub-lima-tion process during clinker burning is considered in detail and determined using a complex thermal analysis combined with a mass spectrometer demonstrating the process of fluorine volatilization from the burning product with simultaneous mass loss. The presence of fluorine ions in the synthesized clinkers was confirmed, including in the form of CaF2, which did not react to the formation of clinker minerals, as well as its sublimation during burning and cooling of the clinker.
STUDY OF DEFORMATION CHARACTERISTICS OF BINDER WITH COMPLEX ADDITIVE BASED ON CALCIUM SULFOALUMINATE
Authors: Nguyen Doan Tung Lam , Samchenko Svietlana , Zorin Dmitriy , Sizyakov Ivan , Vu Kim Dien
Published: January 2025

Shrinkage is one of the main problems related to the hardening of concrete and reinforced concrete structures, which varies depending on the type of concrete and its quality. The negative effects of shrinkage can be prevented by using admixtures with ordinary Portland cement, which produce non-shrinking and expansive cement. The author used gypsum as an additive, mixed it with cement clinker, and obtained expanded cement. Additionally, by using activated mineral additives (AMD) with pozzolanic activity, the author obtained a cement stone with a denser structure, low porosity, and high physical properties. From an economic and environmental perspective, the use of AMD in non-shrinking and expanding cement is also beneficial, as it saves clinker in cement production. The influence of additives on the deformation properties of the binder was studied using the experimental design method. The deformation of cement at the ages of 2, 3, 7, 14, and 28 days was deter-mined according to standard methods for researching the deformation characteristics of cement stone. The research results are presented in surface form and represented by a quadratic regression equation. The regression equation describes the influence of active mineral expan-sion additives on the deformation of cement stone during hardening. The results obtained include a composition with the maximum expansion effect and a composition with maximum shrinkage when using complex additives. These results can be used in the future to predict the defor-mation properties of the binder.
STUDY ON THE INFLUENCE OF LOW TEMPERATURE PLASMA ON THE PROPERTIES OF HIGH STRENGTH GYPSUM BINDER
Authors: Bruyako Mikhail , Ergenyan Arthur , Shvetsova Victoria , Yakupova Yulia
Published: January 2025

One of the main vectors of development in modern construction is the acceleration of the pace of construction produc-tion. The use of chemical additives is not always justified from a technical and economic point of view. Processing raw ma-terials in low-temperature non-equilibrium plasma is an environmentally safe, effective method that does not require com-plex modifications and re-adjustment of technological equipment. Modification of raw materials in NNTP leads to a reduc-tion in setting time, accelerated hardening of inorganic binders, as well as an increase in the performance characteristics of materials and products. In this work the effect of low-temperature plasma on the properties of high quality gypsum is investigated. Gypsum suspensions with gypsum concentration of 3 and 5% were subjected to the treatment, which were in-troduced into gypsum with mixing water. It has been proven that the use of plasma-modified gypsum suspensions acceler-ates the setting of gypsum paste by up to 35.5% and increases the flexural strength of gypsum stone to 10.5%, and compres-sion strength to 22%.
COMPARATIVE ANALYSIS OF THE EFFECT OF SODIUM CONTAINING MELTS ON SINTERING AND MELTING OF ALUMINOSILICATE INDUSTRIAL WASTES
Authors: Gol’tsman Boris , Yatsenko Elena , Panteleeva Anna , Bostanov Yuriy , Smoliy Victoria
Published: January 2025

Recycling of large-tonnage industrial waste with the production of construction materials is very promising. Taking in-to account the high content of refractory components, it is reasonable to reduce the energy intensity of synthesis by intro-ducing fluxing additives of melts. In this article the influence of the most active class of melts - sodium-containing com-pounds - on sintering and melting of ash and slag wastes (ASW) from thermal power plants is considered. High-temperature synthesis of compositions containing ASW and different amounts of sodium-containing fines (Na2CO3, Na2B4O7, NaF, NaOH) was carried out. It is shown that the Na2O content is not a decisive characteristic in the evaluation of fluxing activi-ty. The most active fluxing agent Na2B4O7 is revealed, even small amounts of which provide sharp acceleration of sintering and melting. The tendency of ash and slag waste to "self-foaming" due to oxidation of residual carbon and formation of pores by released gases has been established. Change of propensity to foaming at introduction of various melts and param-eters of the obtained porous structure including dark gray foamed areas and sintered areas of brown color have been stud-ied.
COMPOSITION, STRUCTURE AND PROPERTIES OF HYDRATED WHITE PORT-LAND CEMENT WITH TITANIUM DIOXIDE
Authors: Grebenyuk Alexander , Eroshenko Tatiana , Borisov Ivan , Vagin Sergey
Published: January 2025

White Portland cement is successfully used for the construction of architectural structures and decoration of building facades, and also serves as the main component of many dry building mixtures used for interior decoration. In this study, the effect of highly dispersed powder AEROXIDE TiO2 P25 with a specific surface area of 50 m2/g on the composition, structure and properties of hydrated white Portland cement was investigated. Two types of white cements differing in mineralogical composition were used in the work. It is shown that the rate of for-mation of hydration products, established by X-ray phase analysis, the amount of formed portlandite and the degree of hydration, with the introduction of highly dispersed powder of titanium dioxide increases and reaches 88-90%, which is 3-5% more than in control samples without addition. It was found that the presence of TiO2 in the composition of the set cement influences the microstructure of cement stone: the distribution of crystalline hydrates becomes more uniform, and their size decreases from 10-35 microns to 8-22 microns. The presence of titanium dioxide in the composition of cements gives them the effect of self-cleaning, as a result of which after 4 hours of surface treatment with UV radiation it is cleaned from external contaminant by 67-80%. The optimum amount of titanium dioxide in white cements can be con-sidered as 1 %, which provides comparable strength characteristics with non-supplemented compositions.
MODERN VARIANTS OF THE PERIODIC SYSTEM OF ELEMENTS OF D.I. MENDE-LEEV AND THEIR RELATIONSHIP WITH FEIGENBAUM CONSTANTS.
Authors: Sarkisov Yuri , Sarkisov Dmitry , Zubkova Olga
Published: January 2025

The paper presents two modern versions of the periodic system of chemical elements by D.I. Mendeleev. Both variants contain in their structure a zero period in which the electron, proton and neutron are located, that is, this period does not contain chemical elements, but contains these three elementary particles – the constituent parts of any atom. According to the authors, an electron neutrino (electron antineutrino) should be located behind the zero period, and the photon completes the lower layer of the periodic table. From the photon to the universal Planck length, the scale of as yet unknown particles is realized in the range from 10-18 to 10-35m. Another feature of the proposed tables is the arrangement of lanthanides and actinoids in a perpendicular plane to the existing matrix. Moreover, in the second variant, the triad tables can also be located in a perpendicular plane. All quantum numbers corresponding to the proposed two variants of the periodic table are interrelated with fundamental constants of nature, for example, with such as the fine structure constant, the ratio of the mass of a proton to the mass of an electron, Feigenbaum constants, direct F and inverse f numbers of the golden proportion, the number , etc. It is shown for the first time that the square of the product of the first and second Feigenbaum constants approximately coincides with the value of the inverse of the fine structure constant and the ratio F/f and with the limiting value of the orbital quantum number l.
Ecological interactions in Aedes and Culex mosquitoes : towards sustainable vector management in Europe
Authors:   , Vanslembrouck Adwine
Published: January 2025

Invasive Aedes mosquitoes, such as the tiger mosquito (A. albopictus) and the Asian bush mosquito (A. japonicus), are known vectors for various viruses. One of the most significant consequences of these invasive mosquito infestations in Europe is the outbreak of mosquito-borne diseases such as dengue and chikungunya. These invasive Aedes mosquitoes are known to spread to new areas due to climate change and globalization. Additionally, anthropization to the environment, such as urbanization and deforestation, are important drivers of their dispersal. These human interventions lead to biotic homogenization, resulting in reduced biodiversity. This results in a reduced competition with native mosquitoes and a decrease in predators that could limit the spread and establishment of invasive mosquitoes. Furthermore, there is an increase in insecticide resistance, making it more difficult to control mosquito populations. As a result, there is a growing need for alternative control methods, such as biological control. This thesis investigates the ecological interactions, competition dynamics, and implications for vector control strategies, with a particular focus on the invasive Aedes mosquitoes and native Culex species. The research covers interspecific larval competition, thermophilic preferences, and arboviral infection risks, demonstrating how larval competition among mosquito species affects their susceptibility for arboviruses. We found that Aedes albopictus larvae benefit from competing with Culex hortensis, potentially amplifying arbovirus transmission risks. Additionally, larval interactions among Aedes albopictus, Aedes japonicus, and Culex pipiens reveal metabolic and behavioral adaptations that increase susceptibility to arboviruses like chikungunya and West Nile virus. The insecticide resistance status in European Culex pipiens populations highlights the limitations of conventional mosquito control methods. Resistance to multiple insecticides, also found in Belgium, highlights the urgent need for innovative alternative approaches, including biological control. This research investigates the role of native predatory diving beetles as natural regulators of mosquito populations in Belgium, identifying Agabus bipustulatus as a highly effective predator for Aedes albopictus. In sum, this thesis emphasizes the importance of ecological interactions in understanding mosquito-borne disease risk and in developing sustainable mosquito control strategies. By integrating insights from larval competition, arboviral risks, and alternative control methods, it contributes to a broader understanding of vector ecology and offers novel approaches to mitigate the public health impacts of invasive mosquitoes in Europe.
TREATMENT OF LARGE CHORIOANGIOMA OF THE PLACENTA BY FETOSCOPIC LASER COAGULATION OF BLOOD VESSELS
Authors: BELUGA M.V. , KAPORA T.CH. , VASILIEV S.A. , KURLOVICH I.V. , TIKHONENKO I.V. , LEMESHEVSKAYA T.V. , SAKHAROV I.V. , BOYKO M.YU.
Published: January 2025

Lacental chorioangioma is the most common nontrophoblastic tumor of the placenta, occurring in 0.41-1.4 % of examined placentas by microscopy. About half of large chorioangiomas can cause fetal complications such as polyhydramnios, fetal anemia, intrauterine growth retardation, heart failure, fetal hydrops and intrauterine fetal death, complications such as hemolytic anemia, thrombocytopenia, disseminated intravascular coagulation, pregnancy-induced hypertension, maternal mirror syndrome, hemoglobinuria and postpartum bleeding. We performed fetoscopic laser coagulation of blood vessels of the large placental chorioangioma at 23 weeks, which prevented the development of fetal heart failure and other serious pregnancy complications.
HEMODYNAMIC PARAMETERS IN WOMEN WITH HYPERTENSIVE DISORDERS DURING PREGNANCY
Authors: VASILIEV S.A. , VIKTOR S.A. , VASHCHILINA T.P. , KOVALKOVA E.V. , AVER J.K. , SEGEN J.L.
Published: January 2025

Аn analysis of blood pressure (hereinafter referred to as BP) and derived hemodynamic parameters was performed in women with hypertension that existed previously (n=40) or was caused by pregnancy (n=40) and 30 women without hypertensive disorders during pregnancy. It was established that at the stage of pre-pregnancy preparation and during pregnancy, the recommended values of office and home BP should be in the range of optimal BP values according to the modern classification of BP threshold values for optimal, elevated pressure and hypertension (ESH, 2024). Blood pressure corresponding to elevated pressure (120/70 mm Hg and higher) should be considered as a risk factor for the development of hypertensive disorders during pregnancy.
OBSTETRIC AND PERINATAL COMPLICATIONS IN WOMEN WITH GESTATIONAL DIABETES MELLITUS, ADJUSTED FOR THE PRE-GRAVIDAR BODY MASS INDEX
Authors: VIKTOR S.A. , KURLOVICH I.V. , VASHCHILINA T.P. , SEMENCHUK V. L. , RIMASHEVSKY V.V. , PRILUTSKAYA V.A.
Published: January 2025

The analysis of obstetric and perinatal complications was carried out in 92 pregnant women with an established diagnosis of GSD and in 312 pregnant women without disorders of carbohydrate and fat metabolism. The chances of developing obstetric (hypertensive disorders during pregnancy, preeclampsia, fetoplacental disorders, polyhydramnios) and perinatal complications (fetal macrosomia, disproportionate development of newborns, the need for respiratory support and medical care in the early neonatal period) in pregnant women with gestational diabetes mellitus increase with an increase in pregravidar BMI
Функционалдық сауаттылықты дамытуда жасанды интеллекті (ЖИ) мүмкіндіктері
Authors: Кулумбетова Салима
Published: January 2025

Мақалада функционалдық сауаттылықты дамытудағы жасанды интеллект (ЖИ) мүмкіндіктері қарастырылады. Қазіргі заманда білім беру жүйесінің басты міндеттерінің бірі – оқушылардың тек академиялық біліммен ғана емес, сонымен қатар түрлі өмірлік жағдайларда тиімді шешім қабылдай алатын, ақпаратты талдап, қолдана білетін функционалдық сауаттылығын дамыту болып табылады. ЖИ технологиялары білім беру саласында жаңа мүмкіндіктер ашып, оқыту процесін тиімдірек әрі қызықты етеді. Мақалада ЖИ құралдарының білім беру саласындағы рөлі, функционалдық сауаттылықты дамытуда ЖИ қолданудың артықшылықтары, сондай-ақ осы технологияларды оқу үдерісіне енгізу әдістері мен мысалдары қарастырылған.
Оқушылардың сыни ойлау қабілетін дамытудағы жасанды интеллекттің (ЖИ) үлесі
Authors: Қурманбаева Нурайым , Бесекеева Бибинур
Published: January 2025

Бүгінгі білім беру жүйесінде ақпарат ағымы үнемі артып келеді, сондықтан оқушылардың сыни ойлау қабілетін дамыту аса маңызды болып тұр. Бұл мақалада жасанды интеллект (ЖИ) құралдарының оқушылардың сыни ойлауын дамытудағы рөлі қарастырылады. ЖИ-ді қолдану оқу процесін тиімді жүргізуге, оқушылардың білімінің тереңдігін арттыруға, сондай-ақ олардың сыни және шығармашылық ойлау қабілеттерін дамытуға мүмкіндік береді. ЖИ құралдары, мысалы, бейімделген оқыту платформалары, интеллектуалды оқыту жүйелері және виртуалды симуляциялар жеке оқыту тәжірибесін қамтамасыз етіп, оқушыларды ақпаратты талдауға, бағалауға және синтездеуге ынталандырады. Сонымен қатар, ЖИ құралдары жедел кері байланыс ұсына отырып, оқушылардың ойлауындағы олқылықтарды анықтауға және мәселені шешу дағдыларын жақсартуға көмектеседі. ЖИ-ді білім беру процесіне енгізу тәуелсіз ойлауды қалыптастырып, оқушыларды күрделене түсіп келе жатқан әлемнің сынақтарына дайындайтын орта қалыптастыра алады.
Табысқа жетудің әдістемелік негіздері
Authors: Мусилимова Лаура
Published: January 2025

Мақалада жеке тұлғаның жетістікке жету жолындағы психологиялық ерекшеліктері мен олардың даму стратегияларын зерттеуге арналған. Құралда жетістікке жету психологиясының негізгі теориялық негіздері, мотивация, мақсат қою және өзін-өзі ынталандыру әдістері қарастырылған. Сонымен қатар, тұлғаның ішкі ресурстарын ашу, сенімділік қалыптастыру, қиындықтарды жеңу қабілетін арттыру бағытындағы практикалық жаттығулар ұсынылады. Элективті курс оқушылардың, педагогтар мен ата-аналардың жетістікке жету қабілеттерін дамытуға көмектесуге бағытталған. Онда заманауи психологиялық әдістер, жетістік психологиясына қатысты отандық және шетелдік тәжірибелер, сондай-ақ нақты өмірлік мысалдар қамтылған.Құрал оқушылар мен жасөспірімдерге өз әлеуеттерін толық пайдаланып, мақсатқа жету жолында кездесетін кедергілерді тиімді жеңуге бағытталған. Бұл әдістемелік құрал практикалық жұмыста қолдануға, тренингтер ұйымдастыруға және тұлғалық дамуға арналған.
Жасанды интеллект пен инклюзивті білім беру: Болашаққа қадам
Authors: Нұрлан Лина , Кенжебекова Еңлік
Published: January 2025

Бұл мақалада жасанды интеллекттің (ЖИ) инклюзивті білім беру жүйесіне әсері қарастырылады. ЖИ технологиялары ерекше білім беру қажеттіліктері бар оқушыларға, әлеуметтік тұрғыдан аз қамтылған топтарға және шалғай аймақтардағы білім алушыларға қолжетімділікті арттыру үшін қолданылатын мүмкіндіктер талданады. Оқыту траекториясын даралау, көмекші технологияларды енгізу, тілдік және географиялық кедергілерді жою – ЖИ-дің инклюзивті білім берудегі негізгі артықшылықтары болып табылады. Сонымен қатар, деректер қауіпсіздігі, цифрлық теңсіздік және этика мәселелері талқыланады. Мақала ЖИ-дің білімге қолжетімділікті кеңейтуге және тең мүмкіндіктер жасаудағы әлеуетін ашып көрсетеді.
Цифрлық білім беру ресурстарын білім беру үрдісінде қолдану
Authors: Косжанова Гульдана
Published: January 2025

Мақала білім берудің цифрлық трансформациясы жағдайында болашақ бастауыш білім педагогтерінің дамыту жолдарын көрсетуге арналған. Мақалада болашақ мамандардың дамыту мәселесі бойынша отандық және шетелдік ғалымдардың зерттеулеріне талдау жасалды. Мақалада дағдылардың келесідей жіктелуі ұсынылды: қарым-қатынас қабілеті, шығармашылық, аналитикалық ойлау, сыни тұрғыдан ойлау, икемділік, пайымдау және шешім қабылдау, өзін-өзі бақылау, жоспарлау, зерттеу дағдылары, ақпараттық ортада – интернеттің цифрлық ортасында жұмыс істеу дағдылары. Болашақ бастауыш педагогтерінің дамыту жолдарын анықтау мақсатында 7М01301- Бастауышта оқыту педагогикасы мен әдістемесі білім беру бағдарламасы бойынша оқитын магистрантарынан алынған сауалнаманың мазмұны беріліп, оның нәтижесі сипатталды.
Мектептерде биология пәнін оқтудағы ЖИ-дің тиімділігі
Authors: Аскарова Амангуль
Published: January 2025

Қазіргі білім беру жүйесінде жасанды интеллекттің қолданылуы оқыту сапасын арттыруға білім беру үдерісін едәуір өзгертуге мүмкіндік береді. Биология пәні бойынша функционалдық сауаттылықты дамытуда жасанды интеллект технологиялары жеке интерактивті құралдарды қолдану және деректерді талдау арқылы маңызды рөл атқарады.Жасанды интеллектінің басты артықшылғы әділдігі . Ол барлық адамның қабілетін теңдей көреді. Екінші ерекшелігі – инклюзия. Барлығына қолжетімді, ағылшын тілін білсеңіз де, болмаса түсінбесеңіз де жасанды интеллектіні игілігіңізге жарата аласыз. Үшінші артықшылығы – арнайы мүмкіндігі. Мақалада жасанды интеллект негізіндегі 3D моделдеу және визуализация құралдары, автоматтандырылған бағалау жүйелері, білім беру платформалары, виртуалды зертханалар мен симуляциялар, ақпараттық ресурстарға қолжетімділік және интерактивті білім беру қосымшаларының биология пәнін оқытудағы рөлі мен тиімділігі талқыланады. Сонымен қатар бұл мақалада биология пәнін оқытуда жасанды интеллект құралдарының қолдану мүмкіндіктері мен артықшылықтары қарастырылады. Жасанды интеллект құралдарының көмегімен оқушылардың оқу процесіне деген қызығушылығы мен нәтижелері арттырылады, ал мұғалімдерге тиімді оқыту әдістерін жүзеге асыруға көмектеседі. Жасанды интеллект технологиялары білім беру процесін жетілдіруге, оқушылардың білім сапасын арттыруға және оқу тәжірибесін жекешелендіруге мүмкіндік береді.