Earth and Planetary Sciences: Недавние поступления
Отображаемые элементы 121-140 из 273
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TOURIST AND RECREATIONAL POTENTIAL OF LANDSCAPES OF THE SPECIALLY PROTECTED NATURAL AREA OF SHARYN OF THE REPUBLIC OF KAZAKHSTAN
(GeoJournal of Tourism and Geosites, 2020)In this work, we studied the tourist and recreational resources - relict, unique landscapes of the specially protected natural area of the Sharyn. The work is the result of many years of field research on landscapes and summer field practice in 2019 in the Sharyn River basin, the study and systematization of published scientific materials. 4 key sections were laid along ...2024-10-08 -
TOPONYMY OF THE ANCIENT SARY-ARKA (NORTH-EASTERN KAZAKHSTAN)
(QUAESTIONES GEOGRAPHICAE, 2018)This study examines the etymology of the principal physiographic entities of the ancient Sary-Arka area– meaning in the old Turkic language Yellowing Ridge – encompassing the present territory of parkland-steppes, rocky highlands and the adjacent mountains of North and East Kazakhstan. The current linguistic evidence points to a complex and chronologically long culture-historical ...2024-10-08 -
Topological system method of formation of transformer transformation coefficients
(E3S Web of Conferences, 2020)A systematic approach to determining the control range of the on-load tap-changer of transformers from the standpoint of the synthesis of the voltage mode is proposed. Transformations of the equation of nodal voltages, formalized on the basis of the topology of a complex electrical network, with respect to the transformation ratios of transformers are given.2024-10-08 -
Topological algorithm to form power of compensating devices of distribution networks
(E3S Web of Conferences, 2020)Effectiveness of providing consumers with technical limits of voltage deviation relates with integrating digital technologies in automation voltage regulation control. Automatized compensating devices, intended control voltage, tunes without consideration of influence of other compensating devices installed for the same purpose. It leads to their energetical efficiency ...2024-10-08 -
Topological algorithm for forming nodal stresses of complex networks energy systems
(E3S Web of Conferences, 2019)The paper presents a new topological algorithm for the formation of nodal stresses of complex networks of power systems. The first step of the described algorithm is the search and determination of the values of all possible and specific trees of the graph corresponding to a given network of the power system. The well-known advantage of the topological approach compared to ...2024-10-08 -
The Virgin Land megaproject and the Land reform as the global experiment of steppe self-restoration in North Eurasia
(IOP Conference Series: Earth and Environmental Science, 2021)Among all agrarian-social megaprojects realized in the steppe zone, the Virgin Land [Tselina] (1954-1963) and the Land reform of the 1990s exerted the most considerable influence on the state and properties of current agro-landscapes. It was the projects of opposite orientation which every on its stage set the highest in history pace of the landscape dynamics in the steppe ...2024-10-08 -
The use of heat transformers for the low-temperature secondary energy resources recovery in non-ferrous metallurgy enterprises
(E3S Web of Conferences, 2020)The paper discusses the concept of developing schemes for the utilization of low potential secondary energy resources waste heat in heat transformers (HT). There ara several examples of using HT in non-ferrous metallurgy plants in Russia and Kazakhstan: the production of nickel, zinc and ferroalloys. In the case of nickel production, two schemes are proposed for consideration: ...2024-10-08 -
The state of the environment of the West Kazakhstan region (late 1990s – early 2000s)
(E3S Web of Conferences, 2024)The article examines key aspects of the environmental state of the West Kazakhstan region in the late 1990s to early 2000s. It presents characteristics of the general environmental condition, atmospheric air quality, water quality, and environmental protection measures. An analysis of official data sources indicates that increased hydrocarbon production at the Karachaganak ...2024-10-08 -
The Semantic Network as a Promising Information Platform in the Mining Industry
(E3S Web of Conferences, 2019)The issues of digitalization of the mining industry, including open-pit mining, are considered. The issues of the use of semantic systems as an element of information flows, allowing to determine and select the right decisions in the process of mining management, in particular, in the mining of minerals by open mining, are covered. The article formulates requirements ...2024-10-08 -
THE ROLE OF QUALITY EDUCATION IN THE MECHANISM OF TRANSPARENCY STATE AUTHORITIES
(E3S Web of Conferences, 2020)In modern society, the importance of quality education is steadily increasing, and the spiritual, cultural and moral potential of society is associated with its development. Based on a study of the civic education model, we will present elements related to the country's commitment to open government at the international level and propose strategies for implementing specific ...2024-10-08 -
The problem of research and prevention of bullying in the school environment: analytical and practical aspects
(E3S Web of Conferences, 2020)The article considers the problem of studying and preventing, and also presents the results of the authors' practical experience - an express study to identify bullying in schools in Almaty. An analysis of the experience of foreign countries in preventing bullying shows that many of their programs are aimed at attracting all members of the teaching staff. The authors ...2024-10-08 -
Study of the composition of enriched meat semifinished products
(IOP Conference Series: Earth and Environmental Science, 2022)The article presents the results of research on the enrichment of minced meat with animal and vegetable products in order to obtain a functional product that meets 10% of the body's needs for basic nutrients and energy. Milk of 3.2% fat, chicken eggs, rice, parsley, carrots, white cabbage, potatoes and onions were selected for the enrichment of meat products. When replacing ...2024-10-08 -
Study of the aerodynamics of air flow in burners using the Comsol Multiphysics software
(Innovations in Energy and Environment, 2023)The article presents the processes of modeling the aerodynamic flow of air in two burner microflame devices: 1. The burner device of the combustion chamber of a gas turbine plant; 2. The micromodular gas burner. The aerodynamic flow is modeled in the Comsol Multiphysics software package, which is reasonable in terms of availability and quality. The performed analysis of ...2024-10-08 -
Spatial variation of agricultural land in Turkey using CORINE data
(Journal of the Bulgarian Geographical Society, 2023)Detection of the exchange and distribution of agricultural lands allows many projects and plans to be made and interpreted correctly, such as food safety, planning, and environmental risk analysis. From this point of study in the spatial changes and distribution of agricultural land in time across Turkey were examined. CORINE Land Cover (CLC) data was used to identify ...2024-10-08 -
Sound insulation properties of materials and methods used in civil engineering
(E3S Web of Conferences, 2024)The issue of sound insulation in enclosing structures continues to be extremely prevalent in both newly constructed and exploited buildings. Standard fencing solutions frequently employ contemporary wall materials without the additional sound insulation that is required. This study investigates the materials applied to soundproofing in various residential buildings and ...2024-10-08 -
Simplified topological algorithm for forming a steady mode of electric power system
(E3S Web of Conferences, 2023)The paper presents the possibility of simplifying the algorithms for forming the parameters of the steady state mode of a complex electrical network, using the independence of the currents of its equivalent circuit. In this case, all independent currents of a complex circuit of an electrical network must be found in advance, which is, in the general case, a rather difficult ...2024-10-08 -
Simplified topological algorithm for forming a steady mode of electric power system
(E3S Web of Conferences, 2023)The paper presents the possibility of simplifying the algorithms for forming the parameters of the steady state mode of a complex electrical network, using the independence of the currents of its equivalent circuit. In this case, all independent currents of a complex circuit of an electrical network must be found in advance, which is, in the general case, a rather difficult ...2024-10-08 -
SIMPLIFIED METHOD OF CALCULATING A BEAM ON A TWOPARAMETER ELASTIC FOUNDATION
(GeoJournal of Tourism and Geosites, 2023)When calculating beams lying on a solid elastic foundation, the simplest foundation model proposed by Winkler-Zimmerman is often used. This hypothesis has been repeatedly subjected to wellfounded criticism, because the deformation of the base occurs only in the area of the load applied to it. In order to clarify the Winkler-Zimmerman hypothesis, many authors have proposed ...2024-10-08 -
SELECTION OF EQUIVALENT MATERIAL FOR SOIL TESTING USING PILES ON A SCALE MODEL TESTING APPARATUS
(International Journal of GEOMATE, 2024)This study addresses the problem of selecting an equivalent material for soil testing using piles on a large-scale experimental setup. The approach involved conducting model tests in a metallic tank with specific dimensions, allowing for a 1:25 scale. Fine and medium-grained sand was used as the equivalent soil material. The main criterion for sand selection was its similarity ...2024-10-08 -
RESULTS OF EXPERIMENTAL GEORADAR SURVEYS OF RAILWAY SECTIONS
(International Journal of GEOMATE, 2023)The aim of the study is to evaluate the effectiveness of using georadar sounding as a high-speed method for monitoring the condition of subsurface layers of railway infrastructure facilities and identifying zones of abnormal structure in the embankment and underlying soil, which could worsen the bearing properties of the soil at the base of the railway track, and develop ...2024-10-08
