Computer Science
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Using modified Chebyshev functions for approximation in 5G technologies
(International Journal of Electrical and Computer Engineering (IJECE), 2024)This research addresses the critical challenge of broadband matching in radio engineering, focusing on enhancing phase-frequency response (PFC) linearity across wide frequency bands. A novel approach, utilizing modified Chebyshev functions, demonstrates significant potential in reducing phase distortions within 5G technology applications. Unlike traditional Chebyshev ...2026-03-25 -
Unsupervised Clustering and Ensemble Learning for Classifying Lip Articulation in Fingerspelling
(Sensors, 2025)This paper presents a new methodology for analyzing lip articulation during fingerspelling aimed at extracting robust visual patterns that can overcome the inherent ambiguity and variability of lip shape. The proposed approach is based on unsupervised clustering of lip movement trajectories to identify consistent articulatory patterns across different time profiles. The ...2026-03-25 -
Towards robust security in WSN: a comprehensive analytical review and future research directions
(Indonesian Journal of Electrical Engineering and Computer Science, 2024)One of the most important aspects of the effective functioning of wireless sensor network (WSN) is their security. Despite significant progress in WSN security, there are still several unresolved issues. Many review studies have been published on the problems of possible attacks on WSN and their identification. However, due to the lack of their systematic analysis, it is ...2026-03-25 -
The Vitamin C Enantiomers Possess a Comparable Potency in the Induction of Oxidative Stress in Cancer Cells but Differ in Their Toxicity
(International Journal of Molecular Sciences, 2024)The use of vitamin C (VC) in high doses demonstrates a potent tumor suppressive effect by mediating a glucose-dependent oxidative stress in Kirsten rat sarcoma (KRAS) mutant cancer cells. VC with arsenic trioxide (ATO) is a promising drug combination that might lead to the development of effective cancer therapeutics. Considering that a tumor suppressive effect of VC requires ...2026-03-25 -
The Impact of the Digital Format on Kazakh Youth’s Information Consumption and Reading Culture
(Publishing Research Quarterly, 2025)In the digital age, the reading habits of Kazakh youth have transformed signifcantly. This study investigates the impact of digitalization on their reading culture, examining factors contributing to the decline of traditional print formats and their efects on reading frequency, preferences and comprehension. The research explores the role of social communications, electronic ...2026-03-25 -
The impact of blockchain and artificial intelligence technologies in network security for e-voting
(International Journal of Electrical and Computer Engineering (IJECE), 2024)This study explored the integration of blockchain and artificial intelligence technologies to enhance the security framework of electronic voting (e-voting) systems. Amid increasing vulnerabilities and cyber threats to electoral integrity, these technologies provided robust solutions by ensuring the immutability of voting records and enabling real-time anomaly detection. ...2026-03-25 -
The Effect of Using Sapropel Extract on Biometric Indicators and Yield of Beet (Beta vulgaris L.) in the North Kazakhstan Region
(Sustainability, 2024)Research has been conducted on the development of an innovative organomineral fertilizer based on local lake resources as a stimulator of germination and growth of crops, as one of the factors in achieving the goal of environmental sustainability. The results obtained are based on the environmental friendliness of the technology, increasing yields, and obtaining environmenta ...2026-03-25 -
The Early Miocene Paleoclimate of Erzhilansay: Interpretation of Climatic Parameters Using Modern Methods
(Sustainability, 2025)Studying paleoclimatic conditions across geological epochs is essential for understanding climate evolution and its influence on Earth’s biosphere. Leaf macrofossils serve as a crucial data source for reconstructing ancient climates due to their sensitivity to environmental changes. Advanced analytical methods, such as the Climate Leaf Analysis Multivariate Program (CLAMP) and ...2026-03-25 -
The Approximation of Functions of Several Variables with Bounded p-Fluctuation by Polynomials in the Walsh System
(Mathematics, 2024)This paper presents direct and inverse theorems concerning the approximation of functions of several variables with bounded p-fluctuation using Walsh polynomials. These theorems provide estimates for the best approximation of such functions by polynomials in the norm of the space under consideration. The paper investigates the properties of the Walsh system, which includes ...2026-03-25 -
The Effectiveness of Using Virtual and Augmented Reality Technologies for Teaching Computer Science in Schools
(International Journal of Information and Education Technology, 2024)Currently, using new technologies in education provides great opportunities for schools. This research aims to determine the effectiveness of using Virtual reality and Augmented reality technologies for teaching Computer science in schools. Furthermore, using Virtual and Augmented Reality in teaching computer science has been proposed as a pedagogical approach. The ...2026-03-25 -
Targeted NGS Revealed Pathogenic Mutation in a 13-Year-Old Patient with Homozygous Familial Hypercholesterolemia: A Case Report
(International Journal of Molecular Sciences, 2024)Familial hypercholesterolemia is an autosomal hereditary disease defined by an increased level of low-density lipoprotein cholesterol (LDL-C), which predisposes significant risks for premature cardiovascular disorders. We present a family trio study: proband, a 13-year-old Kazakh girl with homozygous familial hypercholesterolemia (HoFH) and her parents. HoFH is much more rare ...2026-03-25 -
Targeted Attacks Detection and Security Intruders Identification in the Cyber Space
(Computer Network and Information Security, 2024)The number of new cybersecurity threats and opportunities is increasing over time, as well as the amount of information that is generated, processed, stored and transmitted using ICTs. Particularly sensitive are the objects of critical infrastructure of the state, which include the mining industry, transport, telecommunications, the banking system, etc. From these positions, ...2026-03-25 -
Sustainable Development of the Infrastructure of the City of Astana Since the Establishment of the Capital as a Factor of Tourism Development
(Sustainability, 2024)The underdevelopment of tourism infrastructure remains a critical barrier to the growth of the tourism sector in both the capital and regional areas. This article examines the concept and structure of tourism infrastructure, synthesizes methodological approaches for its evaluation, and identifies the strengths and limitations of these approaches. The study introduces a ...2026-03-25 -
Study of the characteristics of broadband matching antennas for fifth-generation mobile communications based on new composite materials
(International Journal of Electrical and Computer Engineering (IJECE), 2024)The presented research aims to analyze in detail the characteristics of broadband matching antennas specifically designed for 5G mobile communications applications, with an emphasis on innovative composite materials. The study focuses on a compact planar loop antenna designed for use on smartphones, covering the LTE/WWAN frequency bands 824 to 960 MHz, 1,710 to 2,690 ...2026-03-25 -
Study of Phase Transformations in ZrO2 Ceramics Stabilized by Y2O3 and Their Role in Changing Strength Characteristics and Heat Resistance
(Sustainability, 2025)The results obtained reflect the determination of the possibility of the stability enhancement of the strength and thermal parameters of zirconium-containing ceramic materials via the addition of a stabilizing additive in the form of Y2O3. According to the data obtained, a connection between phase transformations caused by the addition of the stabilizing Y2O3 additive and an ...2026-03-25 -
Stress-Induced Secondary Metabolite Profiling in Cistanche deserticola Callus Cultures: Insights from GC-MS and HPLC-MS Analysis
(International Journal of Molecular Sciences, 2025)Throughout human history, wild plant resources have played an invaluable role, serving as critical sources of food, medicine, and industrial materials. This study examined the callus cultures of Cistanche deserticola Y.C. Ma, a medicinal desert plant, by subjecting them to abiotic stress under controlled in vitro conditions. The secondary metabolite profiles were then analyzed ...2026-03-25 -
Specifics of Data Collection and Data Processing during Formation of RailVista Dataset for Machine Learning- and Deep Learning-Based Applications
(Sensors, 2024)This paper presents the methodology and outcomes of creating the Rail Vista dataset, designed for detecting defects on railway tracks using machine and deep learning techniques. The dataset comprises 200,000 high-resolution images categorized into 19 distinct classes covering various railway infrastructure defects. The data collection involved a meticulous process including ...2026-03-25 -
SPEAKER RECOGNITION BY ULTRASHORT UTTERANCES
(Eastern-European Journal of Enterprise Technologies, 2025)The object of this study is the accuracy of announcer identification based on short utterances. To solve the task of speaker identification based on ultrashort speech utterances, a phoneme-by-phoneme approach to constructing voice models has been proposed within the framework of the study. The validity of this approach is based on the fact that short utterances usually ...2026-03-25 -
Spatial Analysis of Air Pollutants in an Industrial City Using GIS-Based Techniques: A Case Study of Pavlodar, Kazakhstan
(Sustainability, 2024)The given research employs high-resolution air quality monitoring and contemporary statistical methods to address gaps in understanding the urban air pollution in Pavlodar, a city with a significant industrial presence and promising touristic potential. Using mobile air quality sensors for detailed spatial data collection, the research aims to quantify concentrations of ...2026-03-25 -
Simulation of resonant reactions in TTIK approach by C++ code
(International Journal of Mathematics and Physics, 2025)We studied the interaction of ¹⁵N with hydrogen at low energies using the Thick Target Inverse Kinematics (TTIK) method combined with the Time of Flight (ToF) technique. This combination enables a clear identification of different light recoil particles without compromising energy resolution in the extended gas target. The use of a gas target ensures minimal background and ...2026-03-25
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