Zobrazeno 1 - 10
of 21
pro vyhledávání: '"I. V. Vasylenko"'
Publikováno v:
Scientific Notes of Junior Academy of Sciences of Ukraine. :69-77
The article attempts to define the concepts: “STEM-project” and “project with elements of STEM”. It is proposed to interpret the concept of “project with elements of STEM” as a set of practical forms and methods that effectively form the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0baac38b8550707ca81c77f49025006
https://doi.org/10.51707/2618-0529-2021-20-07
https://doi.org/10.51707/2618-0529-2021-20-07
Publikováno v:
Journal of Materials Science. 55:16612-16624
Highly sensitive to H2 sensors were created on the base of material obtained through tin (II) oxalate oxidation by hydrogen peroxide water solution. It has been established that the addition of 0.1 wt% Ce to the sensor materials significantly increas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0152f41c3dbbe20ef374726efa2747a1
https://doi.org/10.1007/s10853-020-05199-w
https://doi.org/10.1007/s10853-020-05199-w
Autor:
L. A. Staraya, I. V. Vasylenko, Peter E. Strizhak, L. Yu. Dolgikh, I. L. Stolyarchuk, Y. I. Pyatnitsky
Publikováno v:
Catalysis and petrochemistry. :1-10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af475d7974b9c478270a0396a3c70b86
https://doi.org/10.15407/kataliz2020.29.001
https://doi.org/10.15407/kataliz2020.29.001
Publikováno v:
Scientific Notes of Junior Academy of Sciences of Ukraine. :71-81
The article considers the results of the research “The state of development STEM-education in Ukraine”, which was conducted by the Department of STEM-education of Institute of education content modernization. The study was conducted by questionna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c367b8aa29f52b67a1a5fe2783b2626e
https://doi.org/10.51707/2618-0529-2020-19-08
https://doi.org/10.51707/2618-0529-2020-19-08
Publikováno v:
Journal of Chemistry and Technologies. 27:122-129
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f6f182152d6052790312abda5e9a2c7
https://doi.org/10.15421/081913
https://doi.org/10.15421/081913
Autor:
Luidmila Oleksenko, Olexander Ripko, Larisa V. Lutsenko, I. V. Vasylenko, N. P. Maksymovych, George Fedorenko
Publikováno v:
2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO).
Nanosized oxides and oxide nanocomposites with various composition on their base with an average particle size 3–47 nm were obtained by a citrate method. Effect of the composition and morphology on catalytic activities in CO oxidation of Co-, Mn-,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeb95989aeb38b2c0199bd08e4ff1715
https://doi.org/10.1109/elnano50318.2020.9088830
https://doi.org/10.1109/elnano50318.2020.9088830
Autor:
N. P. Maksymovych, I. V. Vasylenko, Galina Skolyar, L. P. Oleksenko, George Fedorenko, Oleksandr Ripko
Publikováno v:
2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO).
Nanosized tin dioxide with an average particle size 5–6 nm and specific surface area 110 m2/g was obtained by a sol-gel technique using SnC 2 O 4 as a precursor. Study of the temperature dependences of responses to hydrogen of the sensors created o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8455672a470a3c494be17e92dbc71b2f
https://doi.org/10.1109/elnano50318.2020.9088743
https://doi.org/10.1109/elnano50318.2020.9088743
Autor:
N. P. Maksymovych, Galina Skolyar, L. P. Oleksenko, I. V. Vasylenko, George Fedorenko, I. P. Matushko
Publikováno v:
2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO).
Nanosized semiconductor tin dioxide appropriate for creation of adsorption-semiconductor sensors was synthesized through a sol-gel route. Addition of Pt via impregnation technique allows to obtain highly sensitive sensors to hydrogen micro concentrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::237b4799445090331dbf9ca0394a29b4
https://doi.org/10.1109/elnano50318.2020.9088850
https://doi.org/10.1109/elnano50318.2020.9088850
Publikováno v:
Theoretical and Experimental Chemistry. 53:244-250
It was shown that variation of luminescent organic substance in inclusion compounds «guest»/Eu(BTB) (H3BTB is benzene-1,3,5-triyl-tris(4′-benzoic acid), «guest» = naphthalene, anthracene, fluorescein, or rhodamine 6G) may change the emission co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c37a2592003df562e7245f23c5bda0aa
https://doi.org/10.1007/s11237-017-9521-y
https://doi.org/10.1007/s11237-017-9521-y
Publikováno v:
E3S Web of Conferences, Vol 280, p 06003 (2021)
Nanosized semiconductor sensor materials based on SnO2 with different palladium contents were obtained via zol-gel technology with the use of ethylene glycol and hydrate of tin (VI) chloride as precursors. Morphology and phase composition of nanosize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::530ef85ddc58eec1700777342aa3aeeb
https://doi.org/10.1051/e3sconf/202128006003
https://doi.org/10.1051/e3sconf/202128006003