Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Oleksandr Melnychuk"'
Autor:
Lyubov Patrylak, Stepan Zubenko, Serhy Konovalov, Anzhela Yakovenko, Volodymyr Povazhnyi, Oleksandra Pertko, Yulia Voloshyna, Oleksandr Melnychuk, Mykhailo Filonenko
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 17, Iss 2, Pp 84-93 (2022)
The aim of the work was to study the isomerization of limonene on zeolite-containing biporous acid catalysts based on kaolin (from Ukraine). Results of this study show that at 160°C, the maximum isomer yield was 60-65% with an 80-90% conversion. The
Externí odkaz:
https://doaj.org/article/e3afa0baff274a9c99b6725a7a023a2e
Autor:
Bianca Giaccone, Martina Martinello, Paolo Berrutti, Oleksandr Melnychuk, Dmitri A. Sergatskov, Anna Grassellino, Dan Gonnella, Marc Ross, Marc Doleans, John F. Zasadzinski
Publikováno v:
Physical Review Accelerators and Beams, Vol 24, Iss 2, p 022002 (2021)
Field emission is one of the main factors that can limit the performance of superconducting radio frequency cavities. To reduce possible field emission in the Linac Coherent Light Source II (LCLS-II), we are developing plasma processing for 1.3 GHz n
Externí odkaz:
https://doaj.org/article/8c3a79910387448781e25b0b8b1eeda2
Autor:
O. P. Pertko, Anzhela Yakovenko, Volodymyr Povazhnyi, Yuliya Voloshyna, Oleksandr Melnychuk, L. K. Patrylak
Publikováno v:
Вода і водоочисні технології. Науково-технічні вісті, 2021, № 2(30)
Zeolites are wide used materials in a range of processes of chemical, petrochemical, and nutritional industry. They are the active catalysts and sorbents, in particular, zeolites are characterized by high efficiency towards extraction of heavy and ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::513909faff8c188b342c4a0053c6822e
https://doi.org/10.20535/2218-930022021241332
https://doi.org/10.20535/2218-930022021241332
Autor:
Oleksandr Melnychuk
Publikováno v:
Ekonomika APK. 323:102-112
The purpose of the article is to substantiate the methodological tools for identifying and assessing financial risks for the management of such on the example of the agricultural sector. Research methods. The methods used: the monographic method for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfb99c8914dcb0e1baee450ce174a3bb
https://doi.org/10.32317/2221-1055.202109102
https://doi.org/10.32317/2221-1055.202109102
Autor:
Dmytro Kamenskyh, Tetiana Tkachenko, Yevgenii Sheludko, Mykhailo Filonenko, Volodymyr Povazhny, Oleksandr Melnychuk, Maria Baran, Oleksandr Pavliuk, Vitalii Yevdokymenko
Publikováno v:
Applied Nanoscience.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d98daff7d0474a349ec32303ea927f51
https://doi.org/10.1007/s13204-022-02644-x
https://doi.org/10.1007/s13204-022-02644-x
Publikováno v:
Ekonomika APK. 322:67-78
The purpose of the article is to substantiate the features of financial risks of the budget component of financial security of Ukraine on the example of the analysis of expenditures for individual security-forming sectors. Research methods. A monogra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::198390200ac3b43470badec1b3f869bc
https://doi.org/10.32317/2221-1055.202108067
https://doi.org/10.32317/2221-1055.202108067
Autor:
Yurii Kholodko, Antonina Bondarieva, Viktoriia Tobilko, Volodymyr Pavlenko, Oleksandr Melnychuk, Vladislav Glukhovskyi
The object of this study is granular adsorbents based on kaolinite and zero-valent iron. The ceramic mass for their preparation contained polyvinyl alcohol as a powder-forming additive. It was established that its addition in quantities of 1.8–3.3%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bade243c8f8dc155081d72068cdd4520
https://zenodo.org/record/7085023
https://zenodo.org/record/7085023
Autor:
Lyubov Patrylak, Serhii Konovalov, Olexandra Pertko, Anzhela Yakovenko, Volodymyr Povazhnyi, Oleksandr Melnychuk
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 2, Iss 6 (110), Pp 38-44 (2021)
Obtaining such substances-platforms as, in particular, 5-hydroxymethylfurfural is one of the areas most actively investigated at present. They can act as raw materials for the further production of a new generation of biopolymers, fuels, pharmaceutic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::672364d8e73d27b452fdf7fb4b55fb86
https://doi.org/10.15587/1729-4061.2021.226575
https://doi.org/10.15587/1729-4061.2021.226575
Autor:
Hakan Strandberg, A. Yemane, Giovanni Borzi, Maria Chiara Magnanini, Oleksandr Melnychuk, Marcello Colledani, Itziar Ricondo
Publikováno v:
IFAC-PapersOnLine. 54:140-145
Short-term multi-product production planning strongly depends on manifold considerations which can be related to backlog production, product-type prioritization, machine capacity, and set-ups. Different manufacturing systems conditions may lead to di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fd3896c44bec04259ae88bb18062e03
https://doi.org/10.1016/j.ifacol.2021.08.077
https://doi.org/10.1016/j.ifacol.2021.08.077
The Technology Used for Synthetic Polyploid Production of Miscanthus as Cellulosic Biofuel Feedstock
Autor:
Yaroslav B. Blume, Oleksandr Melnychuk, S. O. Rakhmetova, Dzhamal Rakhmetov, S. P. Ozheredov, Alla I. Yemets
Publikováno v:
The Open Agriculture Journal. 14:164-173
Background: The contemporary bioethanol production technologies are based on the utilization of plant lignocellulosic biomass. These technologies require conducting regular search, breeding, and creation of new energy crops. In particular, significan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f860036bc576d38730b6ac34c238e65
https://doi.org/10.2174/1874331502014010164
https://doi.org/10.2174/1874331502014010164