Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Yaroslav Yakymechko"'
Publikováno v:
Archives of Civil Engineering, Vol vol. 69, Iss No 1, Pp 385-402 (2023)
The paper provides an overview of selected scientific articles presenting research carried out in recent years on methods for producing autoclaved aerated concrete. Traditional technologies are briefly presented, together with innovative solutions fo
Externí odkaz:
https://doaj.org/article/3e62967490744ee5a7424d0aeb4d9ff5
Publikováno v:
Archives of Civil Engineering, Vol vol. 67, Iss No 3, Pp 299-318 (2021)
The article presents the results of investigation of mechanical and thermal properties of lightweight concrete with waste copper slag as fine aggregate. The obtained results were compared with the results of concrete of the same composition in which
Externí odkaz:
https://doaj.org/article/63bfc926d4764b80b6bae70734e4d435
Publikováno v:
Materials, Vol 16, Iss 8, p 2986 (2023)
The paper presents the results of tests on concrete with recycled aggregate impregnated with the use of citric acid. Impregnation was carried out in two stages, with a suspension of calcium hydroxide in water (so-called milk of lime) or diluted water
Externí odkaz:
https://doaj.org/article/5d45b588bcde4351859b8c71759d22d6
Publikováno v:
Materials, Vol 14, Iss 16, p 4611 (2021)
The paper focuses on investigating the effect of impregnation of recycled concrete aggregate on the mechanical and durability properties of concrete using this aggregate. Cement paste, limewater and diluted water glass were used to impregnate the agg
Externí odkaz:
https://doaj.org/article/f19d1890bd684d3e9e05da653ba06291
Publikováno v:
Materials, Vol 13, Iss 21, p 4734 (2020)
Calcined clays are the only potential materials available in large quantities to meet the requirements of eco-efficient cement-based materials by reducing the clinker content in blended cements or reducing the cement content in concrete. More than 20
Externí odkaz:
https://doaj.org/article/58f4cb83d1044f9eb1a9f51ff27447e6
Publikováno v:
Buildings, Vol 10, Iss 6, p 111 (2020)
The results of studying the effect of the vibration processing time on the size of calcium hydroxide particles are given. The physicochemical processes affecting the size and morphology of calcium hydroxide particles have been studied. A stage-by-sta
Externí odkaz:
https://doaj.org/article/4d02ada36c664a2987bebf8632007a16
Publikováno v:
Technology Audit and Production Reserves, Vol 4, Iss 1(60), Pp 54-57 (2021)
The object of research is the use of a pipeline system for the production of methane and utilization of carbon dioxide. One of the most problematic areas in this scheme is the substantiation of the effectiveness and the possibility of using the exist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa723be8ffd08239fcd7e7ef584a3310
https://doi.org/10.15587/2706-5448.2021.237171
https://doi.org/10.15587/2706-5448.2021.237171
Autor:
Halyna Hrytsuliak, Oleg Mandryk, Lubomyr Poberezhny, A. Hrytsanchuk, Yaroslav Yakymechko, Tetyana Kalyn, Ihor Chudyk
Publikováno v:
Management Systems in Production Engineering. 28:141-147
One of the ways to increase natural gas production is to conserve and/or intensify existing wells with their subsequent development. They are characterized by a high content of highly mineralized water, which leads to an increased risk of hydrate for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f58d0b377782eb4985bd48f60661a637
https://doi.org/10.2478/mspe-2020-0021
https://doi.org/10.2478/mspe-2020-0021
Autor:
Yaroslav Yakymechko, Sergiy Oveckiy
Publikováno v:
Sworld-Us Conference proceedings. :9-11
The paper examines the technology and technical means for shock-wave action on the productive reservoir bottom-hole zone in the perforation interval, which allows creating an impact on the reservoir in local volumes that simulates geodynamic action.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f31841cf78a13e87d5fd650075cb52a7
https://doi.org/10.30888/2709-2267.2023-17-01-004
https://doi.org/10.30888/2709-2267.2023-17-01-004
Publikováno v:
Materials Structures Technology. 2:61-69
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc2bb8e1e1b1eec6c0cb0e12c717454e
https://doi.org/10.31448/mstj.02.01.2019.61-69
https://doi.org/10.31448/mstj.02.01.2019.61-69