Eurasian Physical Technical Journal最新文献_第3页

OPTICAL PROPERTIES OF CARBON CONTAINING NANOCOMPOSITE FILMS BASED ON THE POLYSTYRENE-FULLERENE C60 SYSTEM 聚苯乙烯-富勒烯c60体系含碳纳米复合薄膜的光学性质

Eurasian Physical Technical Journal Pub Date : 2023-09-21 DOI: 10.31489/2023no3/27-34

G.E. Satayeva

{"title":"OPTICAL PROPERTIES OF CARBON CONTAINING NANOCOMPOSITE FILMS BASED ON THE POLYSTYRENE-FULLERENE C60 SYSTEM","authors":"G.E. Satayeva","doi":"10.31489/2023no3/27-34","DOIUrl":"https://doi.org/10.31489/2023no3/27-34","url":null,"abstract":"Carbon-based nanocomposites have attracted significant attention due to their unique properties and potential for use in various technological applications. In this study, experimental investigations were conducted to determine the spectral properties of carbon-containing nanocomposite polymer films based on polystyrene (PS) with fullerene C60 nanoadditives. The results indicate that the incorporation of fullerene nanoparticles into the PS matrix enhances the optical properties of the material. Specifically, the optical density of the samples increases, the absorption coefficient increases, and the width of the bandgap decreases with an increase in carbon additive concentration. These findings suggest that fullerene-based nanocomposites are promising materials for optoelectronic and nanotechnological applications. The results of this work contribute to the growing body of research on carbon-based nanocomposites and their potential for use in a range of fields, including electronics, energy storage, and sensing applications. The enhanced optical properties of fullerene-based nanocomposites suggest that they may be particularly useful for developing novel optoelectronic devices and sensors. Overall, this study highlights the potential of fullerene-based nanocomposites as a versatile and promising material platform for various technological applications.","PeriodicalId":11789,"journal":{"name":"Eurasian Physical Technical Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136239191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

CONFORMATIONAL STRUCTURE OF AN ADSORBED POLYELECTROLYTE ON A NANOPARTICLE WITH LOW CONDUCTIVITY IN AN ALTERNATING ELECTRIC FIELD 在交变电场中低电导率纳米颗粒上吸附的聚电解质的构象结构

Eurasian Physical Technical Journal Pub Date : 2023-09-21 DOI: 10.31489/2023no3/5-19

M.G. M.G. Kucherenko

{"title":"CONFORMATIONAL STRUCTURE OF AN ADSORBED POLYELECTROLYTE ON A NANOPARTICLE WITH LOW CONDUCTIVITY IN AN ALTERNATING ELECTRIC FIELD","authors":"M.G. M.G. Kucherenko","doi":"10.31489/2023no3/5-19","DOIUrl":"https://doi.org/10.31489/2023no3/5-19","url":null,"abstract":"An analytical form of the model of the quasi-equilibrium conformational structure of the units of the Gaussian chain of a polyelectrolyte adsorbed on a nanospheroid witha relatively low electrical conductivity (undoped semiconductor) polarized in an external harmonically varying quasi-static electric field with a frequency significantly lower than the plasma frequency of the nanoparticle material is proposed. Variants ofthe model are discussed that go beyond the scope of the quasi-static approximation, i.e., take into account the effects of delay, the manifestation of which will be noticeable in the case of sufficiently extended nanostructures. Electrically induced conformational changes of generally neutral polyampholytic polypeptides on the surface of a spherical germanium nanoparticle in a static or alternating external electric field have been studied by molecular dynamics. In a static electric field, in the case of asmall distance between the charged units in the polyampholyte, a large number of macrochain loops were formed, elongated in the direction of the polarization axis of the nanoparticle. If the distance between the oppositely charged amino acid residues of the polypeptide exceeded the diameter of the nanoparticle, the charged units were mainly localized in the oppositely charged subpolar regions of the polarized germanium nanoparticle. In an alternating electric field, a girdle polyampholyte edge was formed in the equatorial region of the nanoparticle, the macrochain links of which were desorbed from the surface with an increase in the amplitude of the polarizing alternating electric field.","PeriodicalId":11789,"journal":{"name":"Eurasian Physical Technical Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136240425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

ANALYSIS OF CHANGES IN FRACTAL, STATISTICAL AND KINETIC PARAMETERS DURING THE HETEROANNIHILATION OF PARTICLES ON THE SIMULATED STRUCTURALLY INHOMOGENEOUS SURFACES 模拟结构不均匀表面上粒子杂灭过程中分形、统计和动力学参数的变化分析

Eurasian Physical Technical Journal Pub Date : 2023-09-21 DOI: 10.31489/2023no3/80-87

S.G. S.G. Karstina

{"title":"ANALYSIS OF CHANGES IN FRACTAL, STATISTICAL AND KINETIC PARAMETERS DURING THE HETEROANNIHILATION OF PARTICLES ON THE SIMULATED STRUCTURALLY INHOMOGENEOUS SURFACES","authors":"S.G. S.G. Karstina","doi":"10.31489/2023no3/80-87","DOIUrl":"https://doi.org/10.31489/2023no3/80-87","url":null,"abstract":"To investigate the mechanisms of interaction of particles on structurally inhomogeneous surfaces, the influence of surface morphology, distribution of interacting particles and their mobility on the mechanisms of ongoing processes, various modeling approaches are widely used. The paper presents the results of comparison of kinetic, statistical and fractal parameters changing in the process of heteroannihilation of particles distributed chaotically and multifractally on a simulated structurally inhomogeneous surface. To simulate the complex behavior of particles in time and space during heteroannihilation with changes in their mobility across the surface and various interaction probabilities, a class IV probabilistic cellular automaton method was applied. Based on the simulation results, it is shown that the interaction probability, initial distribution, and mobility of interacting particles influence the formation of kinetic modes at different iterations of the heteroannihilation process. It was found that a decrease in the mobility of interacting particles leads to a longer preservation of spatial heterogeneity in the system. An increase in the mobility of interacting particles and the probability of their interaction increases the rate of change in the fractal dimensionality and the rate coefficients of heteroannihilation kinetics. Decrease of fractal dimensionality during heteroannihilation is accompanied by decrease of asymmetry and increase of excess characterizing shape and degree of symmetry of distribution of interacting particles. At the same time, large values of asymmetry and excess indicate a significant deviation from the normal distribution of interacting particles on the surface.","PeriodicalId":11789,"journal":{"name":"Eurasian Physical Technical Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136239844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

PROCESSES OF DEFECT FORMATION IN SILICON DIFFUSIONALLY DOPED WITH PLATINUM AND IRRADIATED WITH PROTONS 铂扩散掺杂和质子辐照硅的缺陷形成过程

Eurasian Physical Technical Journal Pub Date : 2023-09-21 DOI: 10.31489/2023no3/35-42

Sh.B. Utamuradov

引用次数: 0

INVESTIGATION OF AERODYNAMIC THRUST FORCE OF THE WIND POWER PLANT WITH COMBINED BLADES 组合叶片风力发电机组气动推力的研究

Eurasian Physical Technical Journal Pub Date : 2023-06-21 DOI: 10.31489/2022no2/65-69

A. Tleubergenova

{"title":"INVESTIGATION OF AERODYNAMIC THRUST FORCE OF THE WIND POWER PLANT WITH COMBINED BLADES","authors":"A. Tleubergenova","doi":"10.31489/2022no2/65-69","DOIUrl":"https://doi.org/10.31489/2022no2/65-69","url":null,"abstract":"In this article, a wind power plant with a horizontal axis of rotation operating under conditions of variable wind speeds is considered. For this purpose, a mock-up of a wind power plant with rotating combined blades was made. During the experiments, the angle of the fixed blade relative to the cylinder changed from 0° to 60°, in increments of 15 °. The air flow rate varied, from 3 to 12 m/s. The analysis of the results of the experiment on the change of the rotation frequency from the air flow velocity of the wind power plant is carried out. When changing the position of the fixed blade (0°, 15°, 30°, 45°, 60°) the value of the thrust force changes relative to the air flow in direct proportion. As the air flow velocity increases, the rotation frequency of the wind wheel increases linearly. It was found that when the fixed blade was positioned at an angle of 60 degrees, with a maximum air flow velocity of 12 m/s, the thrust force reached 2.06 N. Due to the combined use of two lifting forces, such as a cylinder and a fixed blade, increased thrust values are observed.The results obtained are useful when creating prototypes of a wind power plant with combined blades.","PeriodicalId":11789,"journal":{"name":"Eurasian Physical Technical Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49208540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

FEATURES OF MECHANICS DESTRUCTION TRIBOUNITSAT DIFFICULT DYNAMIC LOADING 力学破坏摩擦学单元的特点在困难的动态载荷下

Eurasian Physical Technical Journal Pub Date : 2023-06-21 DOI: 10.31489/2023no2/99-105

V. Tsyganov

引用次数: 0

STUDY OF RADIO TRANSPARENCY AND DIELECTRIC PERMITTIVITYOF GLASS-AND ARAMID EPOXY COMPOSITES 玻璃-芳纶环氧复合材料的无线电透明度和介电常数研究

Eurasian Physical Technical Journal Pub Date : 2023-06-21 DOI: 10.31489/2023no2/70-78

А.М. Yermakhanova

引用次数: 0

N ASSESSING THE EFFECTIVENESS OF HYBRID SOLAR COLLECTORS SCHEME INIRAQ'S ENVIRONMENT 评估混合太阳能集热器方案在伊拉克环境中的有效性

Eurasian Physical Technical Journal Pub Date : 2023-06-21 DOI: 10.31489/2023no2/57-64

Jaddoa Ameer A.

引用次数: 0

ANALYSIS OF SYNTHETIC RENEWABLE METHANE PRODUCTION TECHNOLOGIES FOR IMPLEMENTATION IN UKRAINE 分析在乌克兰实施的合成可再生甲烷生产技术

Eurasian Physical Technical Journal Pub Date : 2023-06-21 DOI: 10.31489/2023no2/41-45

V. Klimenko

引用次数: 0

THE USE OF ALTERNATIVE ENERGY SOURCES FOR THE OPERATION OF ENGINEERING SYSTEMS OF DETACHED CONSUMERS 使用替代能源的工程系统的操作独立的消费者

Eurasian Physical Technical Journal Pub Date : 2023-06-21 DOI: 10.31489/2023no2/46-56

R. Usenkov

引用次数: 0