Отображаемые элементы 241-260 из 350

    • Experimental test of Water-Oil Emulsion Combustion 

      Baubek, Askar; Zhumagulov, Michael; Kartjanov, Nurlan; Sadykova, Samal; Arpabekov, Muratbek (E3S Web of Conferences, 2020)
      This report dwells on the scientific study of the vortical device. The device is designed for efficient combustion of fossil fuels. Oil-water emulsion was taken as an example of alternative fuel. Although the functionality of the burner device is not limited to this fuel only. The innovative burner device under investigation is based on principal of vortical motion of fuel ...
      2024-10-16
    • Experimental Testing and Numerical Simulation of a Single-Circuit Solar Water Heater with a Thermosiphon 

      KUNELBAYEV, MURAT; TAGANOVA, GULDANA; ABDILDAYEVA, ASSEL; ZHUMASHEVA, ZHADYRA; TLETAY, SHOLPAN; KURMANALI, MEIRAMGUL; DUISSEMBAYEVA, LAURA; KURBANALIYEVA, AIMAN (WSEAS TRANSACTIONS on ENVIRONMENT and DEVELOPMENT, 2022)
      In this article, a single-circuit solar water heater with a thermosiphon was built, tested and numerically modeled in Kazakhstan, Almaty. To heat cold water in the south-eastern region of Kazakhstan, a flat solar collector was developed and studied, as well as a mathematical model of a single-circuit solar installation with a thermosiphon. In this mathematical model, the ...
      2024-10-16
    • EXPERIMENTAL STUDY OF MODEL PILE FOUNDATIONS IN SEASONALLY FREEZING SOIL GROUND 

      Zhussupbekov, Askar; Shin, Eun Chul; Shakhmov, Zhanbolat; Tleulenova, Gulshat (International Journal of GEOMATE, 2018)
      The bearing capacity and settlement of pile foundation were greatly influenced by the temperature variations of soil ground around pile foundation. This paper presented a short report about laboratory static load tests by model precast concrete piles (cross-section 4 × 4 cm and length of 60 cm) in seasonally freezing soil ground. The depth of frozen soil was 10 cm, temperature ...
      2024-10-16
    • Evaluation of Recreational Impact on Tourist Territories of East-Kazakhstan 

      Mukayev, Zhandos T.; Ulykpanova, Meruyert M.; Ozgeldinova, Zhanar O.; ZHANGUZHINA, Altyn A.; Sarsen, Alikhan B. (Polish Journal of Environmental Studies, 2023)
      The study aims to assess the impact of recreational activities and tourism on the tourist territories of Lake Alakol and the Shulba reservoir of East Kazakhstan. The article examines the influence of recreational activities on the pollution of coastal soils and coastal surface waters of tourist areas with chemical elements, biogenic and organic substances of Lake Alakol and ...
      2024-10-16
    • Evaluation of Electrochemical Methods for Poultry Slaughterhouse Wastewater Treatment 

      Meiramkulova, Kulyash; Jakupova, Zhanar; Orynbekov, Duman; Tashenov, Erbolat; Kydyrbekova, Aliya; Mkilima, Timoth; Inglezakis, Vassilis J. (Sustainability, 2020)
      Understanding the efficiency of different wastewater treatment technologies tested under real conditions is essential for successful decision making by engineers and managers. In this study, real poultry slaughterhouse wastewater coming from defeathering, cooling, and evisceration processes was treated using a lab-scale electrochemical process by use of iron-iron (Fe-Fe), ...
      2024-10-16
    • Inter-annual variability in snow cover depletion patterns and atmospheric circulation indices in the Upper Irtysh basin, Central Asia 

      Fugazza, Davide; Shaw, Thomas E.; Mashtayeva, Shamshagul; Brock, Benjamin (Hydrological Processes, 2020)
      The Irtysh River is the main water resource of Eastern Kazakhstan and its upper basin is severely affected by spring floods each year, primarily as a result of snowmelt. Knowledge of the large-scale processes that influence the timing of these snow-induced floods is currently lacking, but critical for the management of water resources in the area. In this study, we evaluated the ...
      2024-10-16
    • Hydrogen energy in Kazakhstan: prospects for development and potential 

      Opakhai, Serikzhan; Kuterbekov, Kairat; Zhumadilova, Zhuldyz (Polityka Energetyczna, 2024)
      Kazakhstan possesses significant natural resources, including coal, oil, natural gas, and uranium, and also has substantial potential for utilizing renewable energy sources such as wind, solar, hydropower, and biomass. However, the country currently relies heavily on fossil fuels for electricity generation. Coal-fired power plants account for 75% of the total electricity production, ...
      2024-10-16
    • Ethnic Multifunctional Furniture: A Design Approach to the Use of Waste Plastic 

      Bazarbayeva, Saule M.; Erkin, Arman; Sadykova, Zhanna M.; Baizhanova, Zhazira B.; Shmygol, Nadiia N. (International Journal of Design & Nature and Ecodynamics, 2023)
      Due to the high cost of housing, many people are forced to make maximum use of the available space and space in their flats. This can be achieved by purchasing multifunctional furniture. However, such furniture is often made from traditional materials and has an unattractive design. This study presents the development of the concept and artistic image of multifunctional eco ...
      2024-10-11
    • Ethanol production from cassava peels using Saccharomyces cerevisiae via ethanologenic fermentation process 

      Adewale Allen, Sokan-Adeaga; Ana, Godson R.E.E.; Olorunnisola, Abel Olajide; Sokan-Adeaga, Micheal Ayodeji; Roy, Hridoy; Reza, Md Sumon; Islam, Md. Shahinoor (Arab Gulf Journal of Scientific Research, 2024)
      Purpose: This study aims to assess the effect of water variation on bioethanol production from cassava peels (CP) using Saccharomyces cerevisiae yeast as the ethanologenic agent. Design/methodology/approach: The milled CP was divided into three treatment groups in a small-scale flask experiment where each 20 g CP was subjected to two-stage hydrolysis. Different amount of water ...
      2024-10-11
    • Environment of East Kazakhstan: state and main directions of optimization 

      Alimbaev, Тurgai; Omarova, Bibizhamal; Abzhapparova, Bibihadisha; Ilyassova, Kulpash; Yermagambetova, Kuralay; Mazhitova, Zhanna (E3S Web of Conferences, 2020)
      This article discusses issues related to optimizing the state of East Kazakhstan environment. It is emphasized that along with the industrial progress observed in recent years in the East Kazakhstan region in such sectors of the economy as machinery and metal working, heat and power, woodworking, timber, light and food industries, production of building materials, the ...
      2024-10-11
    • Environmental problems of the oil and gas industry in Kazakhstan 

      Alimbaev, Тurgai; Yermagambetova, Kuralay; Kabyltayeva, Samal; Issayev, Abilkhan; Kairat, Zhadyra; Mazhitova, Zhanna (E3S Web of Conferences, 2020)
      This article examines the environmental problems of the oil and gas sector in the Republic of Kazakhstan. The authors emphasize that for many decades the oil fields of Kazakhstan have developed mainly a raw material management system with extremely high technogenic loads on the environment. It is noted that for Kazakstani economy, oil and gas production and especially ...
      2024-10-11
    • Environmental management policy: an assessment of ecological and energy indicators and effective regional management (on the example of Ukraine) 

      Shmygol, Nadiia; Galtsova, Olga; Shaposhnykov, Kostiantyn; Bazarbayeva, Saule (POLITYKA ENERGETYCZNA – ENERGY POLICY JOURNAL, 2021)
      In this article, in accordance with the results of calculations, the authors argue that at the end of 2019, the main problems of the vast majority of regions of Ukraine are low environmental and energy efficiency and insufficient environmental protection measures. The cluster analysis allowed us to identify common territorial groups in terms of their conditions of existence ...
      2024-10-11
    • Environmental Impact Assessment of Rice Growing in the Kyzylorda Region 

      Akbayeva, Lyailya; Mukanova, Kuralay; Beisenova, Raikhan; Tazitdinova, Rumiya; Kobetaeva, Nazira (International Journal of Design & Nature and Ecodynamics, 2023)
      In the context of the growing ecological crisis caused by climate change, irrational use of water resources and environmental pollution with dangerous pollutants, an important role is played by assessing the role of environmental damage from crop production. The authors analyzed the environmental compatibility of modern rice production in the main rice growing region in ...
      2024-10-11
    • Environmental Hazards of the Railway Infrastructure of Kazakhstan 

      Ashimova, Balgyn; Beisenova, Raikhan; Menéndez-Pidal, Ignacio; Jumabayev, Serik; Zhupysheva, Aktoty; Tazitdinova, Rumiya (Sustainability, 2023)
      The railway sector is the largest branch of the economy in Kazakhstan. Nevertheless, environmental safety issues and the reduction and prevention of harmful impacts are not given sufficient attention. There is very little research on the impact of the railway sector of Kazakhstan on the natural environment, which hinders the further development of the railway sector and thus ...
      2024-10-11
    • Environmental DNA reveals the ecology and seasonal migration of a rare sturgeon species in the Ural River 

      Abileva, Gulmira; Turzhanova, Ainur; Zhamangara, Aizhan; Khapilina, Oxana; Kalendar, Ruslan (Environmental DNA, 2024)
      Environmental DNA (eDNA) technology is an essential tool for monitoring living organisms in ecological research. The combination of eDNA methods with traditional methods of ecological observation can significantly improve the study of the ecology of rare species. Here, we present the development and application of an eDNA approach to identify rare sturgeons in the lower reaches ...
      2024-10-11
    • Energy potential of sustainable development of the region 

      Saparova, Botagoz; Zhussupova, Aigerim; Sydykova, Bibinur; Rud, Natalia (E3S Web of Conferences, 2019)
      At the present stage, the whole world is facing serious energy challenges, including the rapid growth of energy consumption, the inevitable exhaustion of energy resources with an extremely uneven distribution, a large environmental burden on nature, and the globalization of energy. The electric power industry harms the environment with its excessive emissions of pollutants, ...
      2024-10-11
    • Energy policy of the EU in Central Asia 

      Zharmakhanova, Zhansaule; Nurdavletova, Saniya; Issayeva, Ainur; Kenzhalina, Gulsum; Zhurasova, Altynay (POLITYKA ENERGETYCZNA – ENERGY POLICY JOURNAL, 2024)
      Sufficient national fossil resources and an independent water supply system are indispensable elements of the security structure of any state. Energy independence, as a factor in determining self -sufficiency, is now a basic requirement for countries or regions wishing to develop independently and freely. The purpose of this research is to identify the specifics of the ...
      2024-10-11
    • Energy model of electric drive of centrifugal borehole pump 

      Vodovozov, A.; Chernyaeva, N.; Zaripova, D.A.; Zhakishev, B.A.; Sarzhanov, D.K. (E3S Web of Conferences, 2019)
      A mathematical model of an electric drive of a centrifugal borehole pump is proposed for evaluating its energy consumption in operating conditions. The model is based on the use of minimum set of technical parameters of the pump, presented in the public data of the manufacturer. The correctness of the calculated formulas is confirmed by experimental data provided in the ...
      2024-10-11
    • Energy efficient technology of obtaining heatinsulating material based on vermiculite 

      Ospanova, Zhumabuke; Alibekova, Nurgul; Satan, Nursultan (E3S Web of Conferences, 2019)
      The paper presents energy-efficient technology with using microwaves to swell vermiculite. Replacement of traditional firing of vermiculite during exfoliation due to the use of microwave heating is promising, primarily due to lower energy costs.
      2024-10-11
    • Energy efficient environment in architecture 

      Samuratova, Tatigul Kakenovna; Kaliyeva, Zhanar Eralinovna; Makhanov, Mukhtar; Yermekova, Zhadyra Kerymbaevna (E3S Web of Conferences, 2019)
      In modern conditions the building can not only consume energy from the outside, but also produce its own. A new role has acquired such energy sources as the sun and wind. Energy saving in architecture follows from the requirements of regulatory documents and includes: the use of alternative energy sources, the installation of energy-saving equipment. Using examples of ...
      2024-10-11