Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Hristo Beloev"'
Autor:
Volodymyr Bulgakov, Iaroslav Gadzalo, Olexander Demydenko, Elizaveta Zadubinnaya, Volodymyr Velichko, Hristo Beloev, Semjons Ivanovs, Zbigniew Kiernicki
Publikováno v:
Journal of Ecological Engineering, Vol 24, Iss 10, Pp 290-304 (2023)
The performance of the No-till treatment after systematic surface tillage with crop rotation allowed the formation of stocks of productive moisture at the average level of 155 mm, which corresponded to the stocks of moisture after ploughing and were
Externí odkaz:
https://doaj.org/article/1f3053ee3d10403cb4492106705db0e5
Publikováno v:
Engineering Proceedings, Vol 70, Iss 1, p 42 (2024)
Fuel gas desulfurization is an important technological step toward achieving environmental neutrality in industrial production. The presence of sulfur compounds in fuel not only significantly increases the rate of corrosion processes, but also increa
Externí odkaz:
https://doaj.org/article/f82f024715eb451c90c82bbd1db1d5a4
Autor:
Volodymyr Bulgakov, Aivars Aboltins, Hristo Beloev, Volodymyr Nadykto, Simone Pascuzzi, Mariia Ruzhylo, Semjons Ivanovs
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10267 (2022)
One of the directions for expanding the functional properties of modular draft devices (MDD) is their use with semitrailers (using a fifth-wheel coupling, installed on the technological module). The issue with this is due to their ability to create s
Externí odkaz:
https://doaj.org/article/effeacfe8d8b42a39d3b605cdedef87d
Autor:
Volodymyr Bulgakov, Aivars Aboltins, Semjons Ivanovs, Hristo Beloev, Volodymyr Nadykto, Yevhen Ihnatiev, Jüri Olt
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3901 (2022)
Harvesting sugar and fodder beet tops is a complex technological process that requires the use of special harvesting machines. Trailed harvesters of different rows, which together with aggregate tractors form symmetric or asymmetric machine-tractor u
Externí odkaz:
https://doaj.org/article/3acaa3ef34cb4e0c95fe3d813b506bd6
Publikováno v:
Energies, Vol 14, Iss 19, p 6365 (2021)
A new porous system in power plants allowing the management of the crisis of heat exchange at boiling water in porous structures has been investigated. This study refers to the thermal power plants of electrical power stations and devices for cutting
Externí odkaz:
https://doaj.org/article/fcc86f18b79447b8b5f68e7fe1797ab8
Autor:
Volodymyr Bulgakov, Aivars Aboltins, Hristo Beloev, Volodymyr Nadykto, Volodymyr Kyurchev, Valerii Adamchuk, Viktor Kaminskiy
Publikováno v:
Applied Sciences, Vol 11, Iss 15, p 6893 (2021)
One of the most important parameters that characterize the traction-coupling properties of a wheeled tractor is its slip. The more tractor’s gross traction exists, the higher its traction-coupling properties are. However, this gross traction should
Externí odkaz:
https://doaj.org/article/4b42e9a05fe741abb2a03b01be7bdfa6
Autor:
Volodymyr Bulgakov, Hristo Beloev, Ivan Holovach, Vladimir Kročko, Ladislav Nozdrovicky, Pavol Findura
Publikováno v:
Journal of Agricultural Engineering, Vol 49, Iss 4 (2018)
When digging sugar beet root out of the soil by using a vibration digging working tools, there occur impact contacts of the working tools and sugar beet roots placed in the soil. Such phenomena are formed mainly in conditions of dry and solid soil. T
Externí odkaz:
https://doaj.org/article/9f02c72fe1434d428904a3089294b395
Autor:
Volodymyr Bulgakov, Aivars Aboltins, Hristo Beloev, Volodymyr Nadykto, Volodymyr Kyurchev, Valerii Adamchuk, Viktor Kaminskiy
Publikováno v:
Agriculture, Vol 11, Iss 1, p 30 (2021)
The article presents research results of a machine-tractor unit that performs two technological operations simultaneously: (i) chopping plant residues (sunflower stubble); (ii) covering the chopped stubble with the soil. The first operation is carrie
Externí odkaz:
https://doaj.org/article/816363927dd8418e8b3526a08ed57a37
Autor:
Volodymyr Bulgakov, Aivars Aboltins, Semjons Ivanovs, Ivan Holovach, Volodymyr Nadykto, Hristo Beloev
Publikováno v:
Agriculture, Vol 10, Iss 10, p 454 (2020)
The new machine-and-tractor aggregate of a modular type, developed by us, consisting of the power and the technological modules, can significantly increase the efficiency of using the tractor when it is aggregated with a five-body plough. The new des
Externí odkaz:
https://doaj.org/article/aa9961982a2e400086a05ecf1c3e96d3
Autor:
Sławomir Kocira, Patryk Hara, Agnieszka Szparaga, Ewa Czerwińska, Hristo Beloev, Pavol Findura, Peter Bajus
Publikováno v:
Agriculture, Vol 10, Iss 4, p 90 (2020)
In laboratory tests, the effectiveness of water plant extracts obtained from 20 species of herbal plants on the degree of contamination of white mustard seeds (Sinapis alba L.) by fungal and bacterial pathogens was evaluated. The analysis showed that
Externí odkaz:
https://doaj.org/article/71137cf4b7454554923e0256dfc9c4c2