Výsledky vyhledávání - "Oksana Melnikova"

Use of Natural Zeolite to Improve Quality and Environmental Safety of Natural Surface Waters and Waste Surface Waters

Autor: Valentyna Iurchenko, Oksana Melnikova

Publikováno v: Key Engineering Materials. 925:135-141

Natural zeolites are materials which, due to the peculiarities of their crystal structure and high adsorption and ion exchange properties, have wide prospects for use in technologies of adsorption purification of aquatic environments. The paper prese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9659805ba2afe8b119267e865d155a6d
https://doi.org/10.4028/p-uk5c75

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Methodology for Calculating the Load of Petroleum Products Emissions on the Soils of the Roadside Space Created by the Operation of Highways

Autor: Oksana Melnikova, Valentina Iurchenko, Mykola Mykhalevych

Publikováno v: TRANSBALTICA XIII: Transportation Science and Technology ISBN: 9783031258626

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e79abacddb0359e185a5a3619a813dc
https://doi.org/10.1007/978-3-031-25863-3_30

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Hydrogen Sulphide in Industrial Enterprises Water Management Infrastructure - The Factor of Chemical and Microbiological Corrosion Concrete Degradation of Water Facilities

Autor: Olena Bryhada, Larysa Mykhailova, Volodymyr Sierohlazov, Oksana Melnikova, Valentyna Iurchenko

Publikováno v: Materials Science Forum. 1038:401-406

The durability of concrete, the material which is widely used for water facilities depends on accumulation in operational environments (drain water, air-gas space) of hydrogen sulfide. Now the mechanism of corrosion destruction of concrete in drainag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::037fba5624b94686fe9574a11e7f4234
https://doi.org/10.4028/www.scientific.net/msf.1038.401

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Influence of Deep-Treated Wastewater Discharge on Nitrification Activity in a Natural Reservoirs

Autor: Valentyna Iurchenko, Nikita Pavlovich Radionov, Oksana Melnikova, Pavlo Ivanin

Publikováno v: Journal of Ecological Engineering, Vol 21, Iss 8, Pp 146-155 (2020)

The data from regular monitoring of the concentration of nitrogen-containing compounds and nitrification indicators in the Udy river (at sites 500 m before the discharge of treated wastewater in Kharkiv city and 500 m after discharge downstream) was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::250eee47854d6269887df7c76b967cdd
https://doi.org/10.12911/22998993/126984

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Influence on Environmental Safety of the Drinking Water of Nitrification in Water Reservoir Being a Source of Water Supply and Filter Filling Materials in Water Treatment Facilities

Autor: Olexandr Rachkovskiy, Valentyna Iurchenko, Larysa Mykhailova, Mykyta Radionov, Oksana Melnikova

Publikováno v: Materials Science Forum. 1006:187-193

The nitrification process inside the water treatment facilities is an environmental threat because it might cause unacceptable concentrations of nitrites in drinking water. Special data processing has been carried out in the course of daily monitorin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23c2b92813cecf81bdf7c9ed83c91f05
https://doi.org/10.4028/www.scientific.net/msf.1006.187

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Emissions of Polycyclic Aromatic Hydrocarbons by Road Transport into Roadside Areas

Autor: Valentina Iurchenko, Ievgeniia Ugnenko, Oksana Melnikova, Larysa Mykhailova, Elena Lebedeva, Gintas Viselga

Publikováno v: TRANSBALTICA XII: Transportation Science and Technology ISBN: 9783030947736

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41c5353d90ec89b668a822908d639ac5
https://doi.org/10.1007/978-3-030-94774-3_26

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Influence of waste water from wastepaper processing utilities on the oxygen mode of natural and technical water objects

Autor: Mykyta Radionov, Oksana Melnikova, Valentina Iurchenko, Pavlo Ivanin

During the experimental investigations the influence of different silicon deaerators, which are added into the pulp to prevent the foam formation, on oxygen saturation of waste waters formed during the paper goods production from wastepaper was estim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32ccd4baf52160b7d9190f6398cce6db
https://ena.lpnu.ua/handle/ntb/46040

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Pedagogical Aspects of Adaptation of First-Year Ukrainian and Foreign Russian-Speaking Students of the Department of Medicine

Autor: Oksana Melnikova, Alexander Prokopchenko, Svetlana Malakhova, Elena Ivanchenko

Publikováno v: Archive of Clinical Medicine; Vol. 24 No. 1 (2018)
Архів клінічної медицини; Том 24 № 1 (2018)

Timely adaptation of first-year students to new living conditions and educational activities is one of the most important challenges of high school. The objective of the research was to study and analyze the problems of adaptation to high school expe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::953675edd2972ca40aa8a85012328223
https://doi.org/10.21802/acm.2018.1.5

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OIL POLLUTION OF REPAIR DEPOT INDUSTRIAL WASTE WATER

Autor: Oksana Melnikova, Andrey Artyomenko, Valentina Yurchenko

Publikováno v: Collected scientific works of Ukrainian State University of Railway Transport.

Установлено склад стічних вод вагоноремонтного депо в динаміці локального очищення. Проведено фракціонування нафтового забруднення і

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b0131a1124cec0741b864ebef656825
https://doi.org/10.18664/1994-7852.149.2014.81803

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