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G. P. Ivanova,S. O. Barsukova,O. V. Khalymendyk,O. M. Chumak
Pág. 121 - 129
Purpose. In this work, we study the influence of the conditions and parameters of microwave radiation on the change in the physico-mechanical properties of building materials, in particular the problem of assessing the stability of their strength charact...
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Dmitriy Shishlyannikov and Ivan Zvonarev
The creation of modern machines and improvement of existing designs of rock cutting bodies of combines is constrained by the lack of experimental studies of the process of separation of successive elementary cleavages during the potash ore cutting with c...
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Vasil Ivasiv,Andriy Yurych,Sergii Zabolotnyi,Lidiia Yurych,Vasyl Bui,Orest Ivasiv
Pág. 15 - 20
At present, the most common tools for drilling operations are those rock-destroying ones that are equipped with cutting elements made from polycrystalline diamonds (PDC) and diamond carbide inserts (DCI). Given this, it is a relevant task to study the in...
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Liudmyla Kryvoplias-Volodina,Oleksandr Gavva,Mykola Yakymchuk,Anastasiia Derenivska,Taras Hnativ,Hennadii Valiulin
Pág. 6 - 15
A mathematical and physical model of the critical pneumatic conveying modes has been developed to ensure the calculation and construction of pneumatic product pipelines of continuous operation. The model takes into consideration the technological conditi...
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Veera Gnaneswar Gude
Desalination of sea or brackish water sources to provide clean water supplies has now become a feasible option around the world. Escalating global populations have caused the surge of desalination applications. Desalination processes are energy intensive...
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Natalia Korovnikova,Oleksandr Dubyna,Volodymyr Oliinik,Yana Svishchova
Pág. 33 - 39
The studies reported here have made it possible to determine the optimal ways of fire protection, in which the samples of modified complexite have reduced flammability. The sample with the ions of molybdenum (VI), treated with phosphoric acid, had the hi...
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Yue Hu, Yunzhe Jiang, Yinqiu Liu and Xiaoming He
UAVs can be deployed in many scenarios to provide various types of services via 6G edge communication. In these scenarios, it is necessary to obtain the position of the UAVs in a timely and accurate manner to avoid UAV collisions. In this paper, we consi...
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Hee-Jun Kim, Chan-Hee Won and Hyun-Woo Kim
This study investigates how the non-thermal plasma (NTP) process leads to advanced oxidation of sewage using response surface methodology. For environmentally viable and efficient operation of the NTP process, temperature and contact time were selected a...
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Zhilong Cao, Qianlong Hao, Xin Qu, Kexin Qiu, Ruiqi Zhao and Qianyu Liu
To explore the performance evolution mechanism of SBS-modified bitumen (SMB) during construction and service, the chemical structure, molecular weight and properties of styrene?butadiene?styrene triblock copolymer (SBS) and SMB under multiple aging level...
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Alexandra Gordon, Mark C. Leaper, Herman Potgieter, Darlington Ashiegbu and Vusumuzi Sibanda
The aim of the study was to investigate the application of photocatalytic advanced oxidation (PAO) for the treatment of water contaminated with dark humic material from fynbos biome plants, which cannot be treated by conventional methods. The study used ...
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Qiao Chen, Fenglin Xu, Pengcheng Su, Honglin Zhu, Yifang Zhang, Yang Liu, Dongming Jia, Xiaozai Guo, Jilong Chen and Dunlong Liu
Meso-crack evolution mechanism of shale is a key factor affecting the mechanical properties of shale. In order to explore evolution laws of cracks in shale during loading, a meso-crack monitoring system, loading test equipment and an automatic ultrasonic...
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Piotr Wojcicki, Sylwester Korga and Marek Milosz
One of the greatest problems in the field of cultural heritage is the process of material destruction of monuments. In most cases, the cause is operational or random wear. Such processes can be slowed down or eliminated thanks to the maintenance process....
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Chen Guo, Jiafeng Kong, Zhenghua Wang, Xiangbin Meng, Yuchao Zhao, Wenhao Wu and Hongzhu Quan
The recycling of construction waste and the use of a new sintering process in the field of sintered bricks can greatly solve the problems of clay resource depletion, soil structure destruction, and high CO2 emissions that always limit the development of ...
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Yongjie Zhang, Yingjie Huang, Zhiwen Li, Ke Liang, Kang Cao and Yazhou Guo
The numerical accuracy of drop process simulation and collision response for drones is primarily determined by the finite element modeling method and simplified method of drone airframe structure. For light and small drones exhibiting diverse shapes and ...
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Yu Lu, Chunxiao Wu, Shewen Liu, Zhuhao Gu, Wu Shao and Chuang Li
When a ship sails in an ice area, the ice could cause damage to ship hull and the propeller as well as the rudder. In the design process of an ice class propeller, the strength verification of the propeller has always been the focus of the design and res...
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Nadiia Sokolenko,Yevgeniy Popov,Kateryna Fastovetska
Pág. 45 - 53
The object of this study is a technology of the new surface-active substances (SAS) based on sulfomethylated phenol. The study's aim was to improve the technology by a catalytic method, implying the development of industrial schemes for the synthesis pro...
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Andrii Kondratiev,Oksana Prontsevych
Pág. 24 - 32
Reducing the surface mass of an adhesive is one of the most important means to improve the perfection of cellular structures. One of the promising technologies in this respect is the addressed application of the adhesive on the ends of the cells. This te...
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Yuriy Tsapko,Ivan Rogovskii,Liudmyla Titova,Tamara Bilko,?leksii Tsapko,Olga Bondarenko,Serhii Mazurchuk
Pág. 51 - 57
Designing environmentally friendly protective materials for flammable liquids makes it possible to influence the processes of heat resistance and the physical-chemical properties of a protective coating over a certain time until the emergency is eliminat...
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Yuriy Tsapko,?leksii Tsapko,Olga Bondarenko
Pág. 14 - 19
Description of performance of fire-protective coatings during operation of a wooden construction structure is a separate and complex task that covers both stages of the protection process: both moisture protection and further heat transfer that occurs wh...
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Roxana-Diana Ilisei and Julia Salom-Carrasco
In this paper, we study the consequences of neoliberal urban policy, in terms of the segregation and social changes experienced in the Cabanyal neighborhood located in Valencia, Spain. In doing so, we analyze the process of residential mobility that has ...
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