Now showing items 221-240 of 267

    • Методика расчета устойчивости проходческого комбайна стреловидного типа 

      Душкевич, Д. В.; Хомич, К. И.; Седляров, Т. Д. (БНТУ, 2022)
      The condition of balancing state of a tunneling machine of a swept type under the action of external forces on the cutter and friction forces between the tracks and the working soil is considered.
      2023-01-24
    • 工业生态与节能——粉煤灰基CO2 吸附沸石绿色制备 

      Zhou, Xinyu; Shi, Shang; Ding, Bohao; Du, Tao; Wang, YiSong (БНТУ, 2022)
      CCUS carbon capture, utilization and storage is one of the key technologies to deal with global climate change, which has been highly valued by countries all over the world and has increased research and development efforts, but there are still difficulties in industrialization. This paper introduces a green preparation process of zeolite for carbon dioxide adsorption.
      2023-01-24
    • Calculation of a reinforced concrete construction with finite element modeling located in soil 

      Medvedev, L. U. (БНТУ, 2022)
      In this article there is a completed description of a calculation of a reinforced concrete construction with finite element modeling located in soil. The calculation was carried out on an electronic computer complex using software. Physical and mechanical properties of soil and reinforced concrete construction were taken into account.
      2023-01-24
    • 一种太阳能驱动处理赤泥污水的绿色节能装置 

      Sang, Haoyuan; Zhao, Tong; Cheng, Letian; Yang, Xue (БНТУ, 2022)
      Alumina production will produce a large amount of red mud wastewater every year, which will cause great harm to the surrounding environment. In this study, a solar evaporator using biochar as photothermal material for red mud wastewater treatment was designed. Driven by sunlight, the device can recover water from red mud wastewater and absorb harmful substances in wastewater. ...
      2023-01-24
    • 21 世纪海上丝绸之路”建设面临的挑战与对策 

      Ge, Chengrong (БНТУ, 2022)
      In the 21st century, the change of the international marine strategic situation provides both opportunities and challenges for China's strategy of building a powerful marine country. Against this background, China has implemented the strategy of the “21st Century Maritime Silk Road”. Focuses on the analysis of the achievements and challenges of China's “21st Century Maritime Silk ...
      2023-01-24
    • Extraction of valuable lanthanum, zirconium and lithium elements from solid electrolyte LI7LA3ZR2O12 (LLZO) 

      Bolun, Wang; Xianqian, Sang; Xin, Qu; Hongwei, Xie; Huayi, Yin (БНТУ, 2022)
      Valuable elements in lithium-ion batteries is a very significant secondary resource. Based on the recovery and recycling of the spent all-solid-state lithium-ion batteries in the future, we explore extracting valuable lanthanum, zirconium, and lithium elements from the solid electrolyte tetragonal phase LLZO by the leaching with the dilute sulfuric, and then by precipitation ...
      2023-01-24
    • Review of ferrite radar absorbing metamaterials 

      Xinran, Yu (БНТУ, 2022)
      Ferrite absorbing metamaterials designed with metamaterial structures can effectively broaden the absorption bandwidth of electromagnetic waves. The current mainstream approach is to compound ferrite with other materials to produce ferrite absorbing metamaterials with better performance.
      2023-01-24
    • Enzyme farming – bringing green and safety to farmland 

      Sun, Pengshu; Wang, Qin; Wang, Yading; Zhao, Zixiang; Wang, Yuan (БНТУ, 2022)
      Garbage enzymes rationally using of waste from fruits and vegetables are rich in nutritionally active substances and microbial groups and positively affect the growth of agricultural crops. In this project, by studying the effect of different classes of garbage enzymes on plant growth at different concentrations, and study on molecular biological mechanism will provide sufficient ...
      2023-01-24
    • 3D моделирование технологии затылования дисковых зуборезных фрез 

      Ажар, А. В.; Дулуб, А. Д.; Кустов, С. В.; Минасян, Г. О. (БНТУ, 2022)
      3D modeling was carried out to determine the optimal diameters of grinding wheels for backing the back surface of the tooth of a disk gear cutter with a module m = 1...16 mm. A linear relationship has been established between the height of the tooth, the angle of the flute of the cutter and the diameter of the grinding wheel. It has been proven that the formation of a “saddle” ...
      2023-01-24
    • 废旧动力电池中有色金属的创新回收方法 

      Xie, Hanwen; Xie, Hanwen; Ma, Jiyi; Zhang, Wanli; Fu, Ning (БНТУ, 2022)
      This paper explains the team's research and development of a new vertical eddy current sorting machine, which solves the problem of high pollution and high emission that cannot process small-size electronic waste, can only sort non-metals and metals, and cannot separate different metals at the same time. It is a kind of mechanical and physical equipment that can realize the ...
      2023-01-24
    • Wettability properties of porous Al2O3 coatings: effects of technological regimes and surface morphology 

      Shimanovich, D. L.; Tishkevich, D. I. (БНТУ, 2022)
      The comparative analysis of Al2O3 coatings and effect of surface morphology on the wettability properties were discussed. It was shown that it is possible to obtain high hydrophilic parameters with a contact angle value up to 17–20° using high values of current density, anodizing time, and electrolyte temperature by adjusting the electrochemical conditions. It was seen that this ...
      2023-01-24
    • An automatic catchment and root irrigation device for desert trees 

      Lai, Qinghao; Yang, Zeying; Wu, Xinyang (БНТУ, 2022)
      Now, there are 36 million km2 of deserts on the planet, a quarter of the land area, and expanding by 60,000 km2 per year. To combat climate change and achieve the carbon peaking and carbon neutrality goals, China is engaged in afforestation. However, water scarcity, strong winds and shortcomings of current irrigation methods make afforestation a major challenge. Based on the ...
      2023-01-24
    • Design and implementation of an intelligent circuit analyzer 

      Li, Guanguan; Zhou, Luxing (БНТУ, 2022)
      This paper designs a smart socket based on microcontroller and WIFI module. The socket can measure the voltage information and grounding of the connected circuit, display the measurement results and voice broadcast, and the user can also view the measurement results in real time through the cell phone APP, and design a transparent waterproof box for it to enhance its waterproof ...
      2023-01-24
    • 工业生态与节能——面向工业车间非均匀热环境营造的低碳空调系统 

      Jia, Pengcheng (БНТУ, 2022)
      The problem of indoor heat supply in industrial workshops in high latitude areas in winter is complex. The energy consumption of air conditioners used in most workshops is huge. In this paper, an innovative industrial low carbon air conditioning design based on the concept of “nonuniform thermal environment” is proposed. Through orthogonal experiment and three-level evaluation, ...
      2023-01-24
    • The electrical insulation strength of anodic Al2O3 coatings with vias for power multichip modules 

      Shimanovich, D. L. (БНТУ, 2022)
      The technological methods and regimes to improve the electrical insulation strength of anodic Al2O3 in vias of double-sided alumina bases for potential use in power multichip modules were discussed. It was shown that after using of the appropriate technological approaches the breakdown voltages of the obtained test samples were up to ~6 kV on working surfaces without holes and ...
      2023-01-24
    • Effect of IPA volume fraction on preferred orientation of zno nanowires grown by CBD method and mechanism 

      Zhu, Jinze; Feng, Yiming; Ning, Zhixuan; Liu, Hanxiao (БНТУ, 2022)
      ZnO nanowires with semi-polar and non-polar orientations are fabricated on Si (100) substrates by low temperature chemical solution deposition. This distinctive growth is achieved by a co-effect of the seed layer templates and CBD solution. The growth mechanism is illustrated in detail and these semi-polar and non-polar ZnO/Si heterostructures show an excellent unidirectional ...
      2023-01-24
    • Экономический эффект при использовании песка местрождений местного значения 

      Обламская, Е. В.; Тан, Дунбо; Бондаренко, С. Н. (БНТУ, 2022)
      The influence of sand processing on the strength properties of the final product, as well as cost reduction due to a decrease in the transport costs of this material, was studied.
      2023-01-24
    • Ход теоретических исследований микробных минерализованных материалов на гелиновой основе 

      Тан, Дунян; Ван, Минюань; Бондаренко, С. Н.; Руднов, В. С. (БНТУ, 2022)
      Microcracks in the cementitious matrix are difficult to detect and repair until they appear on the surface. The binder in the microcapsule can repair the internal microcracks in a short period of time, and shows good repair effect in improving the strength and pore structure of the cementitious matrix, but the repair effect is not good for secondary cracking and surface cracks. ...
      2023-01-24
    • Технология строительства охраны окружающей среды для дорожной техники 

      Тан, Дунян; Тан, Дунбо; Бондаренко, С. Н. (БНТУ, 2022)
      Provided that the quality of road machinery is ensured, with the help of environmental protection construction technology, environmental pollution caused by road construction can be minimized. Due to the importance and feasibility of the development of environmental construction, it provides a theoretical basis for the application of environmental construction technology in ...
      2023-01-24
    • Биодизельное топливо как фактор сохранения экологии 

      Назарова, П. Г.; Корсак, Е. П. (БНТУ, 2022)
      The thesis describes the problems of ecology, and also offers a solution to this problem through the introduction of biofuel.
      2023-01-24