19 hasil untuk "Alexandr Neftissov"
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Artikel Jurnal
DEVELOPMENT OF TIME SERIES FORECASTING MODELS FOR AIR POLLUTION BASED ON DEEP SPARSE TRANSFORMER NETWORKS
This study investigates the application of fractal analysis and deep learning methods for forecasting pollutant emissions from the Ekibastuz coal-fired power plant. The research is based on time series of NO, NO₂, and PM₁₀ concentrations collected by industrial sensors during 2023–2024. To assess…
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METHODS OF FORECASTING GRAIN CROP YIELD INDICATORS TAKING INTO ACCOUNT THE INFLUENCE OF METEOROLOGICAL CONDITIONS IN THE INFORMATION-ANALYTICAL SUBSYSTEM
Forecasting crop yields is one of the key challenges for the agricultural sector, especially in the context of a changing climate and unstable weather conditions. Kazakhstan, possessing significant territories suitable for growing grain crops, faces many challenges related to the effective…
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DEVELOPMENT OF THE INTEGRATED WATER RESOURCES MONITORING AND FORECASTING MODULE FOR DECISION SUPPORT SYSTEMS AT HYDROTECHNICAL STRUCTURES
Nowadays, it is necessary to use monitoring and forecasting technologies for effective water resources management at water management facilities. The objective of this study is to develop and verify an integrated approach to water resources forecasting with the task of identifying features for…
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ENSEMBLE MACHINE LEARNING FOR GLOBAL HYDROLOGICAL PREDICTION
Accurate global hydrological prediction is vital for sustainable water management but is often hindered by data complexity and fragmentation. This study introduces an advanced machine learning framework to predict long-term average discharge using widely available global hydrological station…
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Artikel Jurnal
INTEGRATED MODEL FOR FORECASTING TIME SERIES OF ENVIRONMENTAL POLLUTION PARAMETERS
The quality of life in large urban areas is considerably diminished by air pollution, with major contributors being motor vehicles, industrial activities, and fossil fuel combustion. A major contributor to air pollution is coal-fired and thermal power plants, which are commonly found in emerging…
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NUMERICAL SIMULATION OF WATER FLOW THROUGH A POROUS MEDIUM: VERIFICATION BY THE LIN 1999 EXPERIMENT
The presented study verifies a numerical model of fluid flow through a porous structure based on the experiment by Lin (1999). Water flows through porous media with a free surface are common in hydraulic engineering applications, such as dam breaks, seepage through dams, and the operation of wave…
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Artikel Jurnal
CORRELATION-MATRIX–DRIVEN DIAGNOSTICS OF INDUSTRIAL EMISSIONS: A PEARSON BASELINE WITH SCATTER-PLOT EVIDENCE
Currently environmental state became very actual in the world, especially in Kazakhstan. Air pollution of industries is a major threat to the environment and health of the people, especially in areas with high reliance on coal-powered power stations in electricity production. Fossil fuels in…
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MATHEMATICAL FRAMEWORK FORMULATION AND IMPLEMENTATION FOR HYPERSPECTRAL AEROSPACE IMAGES PROCESSING
This paper proposes a preprocessing algorithm for aerospace hyperspectral images based on a mathematical apparatus effectively applied in pre-compression transformation problems. In particular, several methods have been analyzed for hyperspectral image (signal) preprocessing from the point of view…
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Artikel Jurnal
DEVELOPMENT OF AEROSPACE IMAGES PRELIMINARY PROCESSING METHOD FOR SUBSEQUENT RECOGNITION AND IDENTIFICATION OF VARIOUS OBJECTS
Nowadays, the application of hyperspectral images is vital for every section of the humanity life such as agrotechnical research for the field condition state and water security. This article presents a new lossless data compression algorithm focused on the processing of hyperspectral aerospace…
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Artikel Jurnal
NUMERICAL STUDY OF THE WATER SURFACE MOVEMENT DURING A DAM BREAK ON A REAL TERRAIN OF THE TASOTKEL RESERVOIR, ZHAMBYL REGION, KAZAKHSTAN
This work presents a comprehensive numerical simulation of the dam-break process at the Tasotkel reservoir, located in real terrain conditions in the Zhambyl region. The study focuses on understanding how the released water mass propagates over complex topography and how terrain irregularities…
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Artikel Jurnal Teks lengkap
Predictability of Air Pollutants Based on Detrended Fluctuation Analysis: Ekibastuz Сoal-Mining Center in Northeastern Kazakhstan
Environmental comfort and air pollution are among the most important indicators for assessing the population’s quality of life in urban agglomerations. This study aims to explore long-term memory in air pollution time series by analyzing the dynamics of the Hurst exponent and evaluating the…
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Fractal Analysis of Mining Wastewater Time Series Parameters: Balkhash Urban Region and Sayak Ore District
The population life and health quality are significantly reduced due to water resources pollution caused by heavy metals, especially in urban agglomerations located close to metal ore mining and processing facilities. The greatest environmental pollution occurs during the extraction of Cu, Zn, and…
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Artikel Jurnal Teks lengkap
Analysis of the Existing Air Emissions Detection Methods for Stationary Pollution Sources Monitoring
The application of coal technologies for energy generation leads to high pollutant emissions. Thus, governmental and international organizations have created new programs and laws for monitoring emissions. Recently, the government of Kazakhstan has introduced regulations for the measurement of…
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A Secure Telemetry Transmission Architecture Independent of GSM: An Experimental LoRa-Based System on Raspberry Pi for IIoT Monitoring Tasks
The growing demand for autonomous and energy-efficient telemetry systems in Industrial Internet of Things (IIoT) applications highlights the limitations of GSM-dependent infrastructure. This research proposes and validates a secure and infrastructure-independent telemetry transmission architecture…
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Artikel Jurnal
MATHEMATICAL, SOFTWARE AND HARDWARE SUPPORT OF THE CONCEPTUAL MODEL OF THE INFORMATION SYSTEM OF PRECISION AGRICULTURE
This study analyzes the current situation of application of precision farming technologies and solutions by agricultural enterprises of the Republic of Kazakhstan. The main players and used solutions have been identified. The statistics of application, as well as the potential of use is examined…
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Artikel Jurnal Teks lengkap
Fractal Analysis of Air Pollution Time Series in Urban Areas in Astana, Republic of Kazakhstan
The life quality of populations, especially in large agglomerations, is significantly reduced due to air pollution. Major sources of pollution include motor vehicles, industrial facilities and the burning of fossil fuels. A particularly significant source of pollution is thermal power plants and…
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Artikel Jurnal Teks lengkap
Reducing Outdoor Air Pollutants through a Moss-Based Biotechnological Purification Filter in Kazakhstan
This study considers the creation of a network of moss-based biotechnological purification filters under the Smart City concept. The extent of the absorption of heavy metals and gases by Sphagnopsida moss under different conditions was investigated. The efficiency of air purification with…
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Artikel Jurnal
Advancing sanitary surveillance: Innovating a live-feed sewer monitoring framework for effective water level and chamber cover detections
Efficient sanitation system management relies on vigilant sewage surveillance to uphold environmental hygiene. The absence of robust monitoring infrastructure jeopardizes unimpeded conduit flow, leading to floods and contamination. The accumulation of harmful gases in sewer chambers, coupled with…