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Marian Wnuk
An important element of modern telecommunications is wireless radio networks, which enable mobile subscribers to access wireless networks. The cell area is divided into independent sectors served by directional antennas. As the number of mobile network s...
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Alyona Lovska, Oleksij Fomin, Václav Pí?tek and Pavel Kucera
The development of foreign economic activity of the Eurasian states led to the introduction of rail and ferry transportation. It is important to note that the current normative documentation does not fully cover the issues of transporting combined trains...
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Galyna Polishchuk,Nataliia Breus,Irina Shevchenko,Victoriya Gnitsevych,Tatiana Yudina,Galyna Nozhechkina-Yeroshenko,Tetiana Semko
Pág. 24 - 30
The effect of casein on the quality of ice cream with different fat content was studied. According to functional and technological characteristics, micellar casein was selected for the enrichment of ice cream. Using mathematical modeling in the environme...
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Oleksij Fomin,Alyona Lovska,Viktoria Kudelya,Iryna Smyrnova
Pág. 33 - 41
The bearing structure of a covered rail wagon has been improved to enable firing from it at motion. The covered wagon of model 11?217 was chosen as a prototype. To enable firing in the vertical plane, it has been proposed to use a sliding roof, which con...
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Ekaterina Gribanova
Pág. 18 - 25
An algorithm is proposed for solving the price optimization problem using inverse calculations. The algorithm includes two stages: solving the problem of unconditional optimization and solving the inverse problem using inverse calculations while minimizi...
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Ben Wang, Xiuhua Fu, Shigeng Song, Hin On Chu, Desmond Gibson, Cheng Li, Yongjing Shi and Zhentao Wu
Optimization of thin film uniformity is an important aspect for large-area coatings, particularly for optical coatings where error tolerances can be of the order of nanometers. Physical vapor deposition is a widely used technique for producing thin films...
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Lê Thanh Phong DOI: 10.26459/hueuni-jtt.v126i2.4153
Pág. 93 - 101
Tính toán k?t c?u xây d?ng thu?ng g?n li?n v?i nh?ng công th?c ph?c t?p v?i nhi?u lo?i don v? du?c s? d?ng trong tính toán. Ð? th?c hi?n công vi?c này, phuong pháp ch? y?u là xây d?ng các b?ng tính trên ph?n m?m Excel, công c? này có nhu?c di?m là công t...
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Ali Ahmid,Van N. Le,Thien M. Dao
Pág. 28 - 38
The current study presents a general optimization procedure that could be used in designing of various structural applications. To validate the performance of the proposed procedure, a real life application of a custom welded I-Beam gantry crane is selec...
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Luis Orlando Ibañez Mora
Pág. Page 207 - 216
In the design of foundations in piled rafts, a great number of unknown facts are determined in order to obtain a rational foundation, which in turn meets the requirements of the project. The use of spreadsheets facilitates the work for the designer, to e...
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P. V. Diachenko
Pág. 16 - 24
On the base of dynamic scheme of toothing, a mathematical model for study of the influence of constructive parameters of radial bearings such as a factor of friction, reduced masses and stiffnesses on damping the vibrations in gearing is developed. The s...
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