Technologies and Engineering
Technologies and Engineering
ISSN 2786-5371 e-ISSN 2786-538X
DOI: 10.30857/2786-5371
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Author

Olena Kuznietsova

PhD in Technical Sciences, Associate Professor

National Aviation University

03058, 1 Lubomyr Huzar Str., Kyiv, Ukraine

https://orcid.org/0000-0002-1786-314X

All articles

open access

Keywords: renewable energy; sustainable development; low-carbon economy; renewable energy sources; environmental policy; greenhouse gases; energy efficiency

Environmental orientation of energy policy of the EU and Ukraine

Olena Kuznietsova, Larysa Yastremska, Irina Korniyenko, Mykhailo Baranovskyy

https://doi.org/10.30857/2786-5371.2022.4.2

Suggested citation

Kuznietsova, O., Yastremska, L., Korniyenko, I., & Baranovskyy, M. (2022). Environmental orientation of energy policy of the EU and Ukraine. Technologies and Engineering, 23(4), 17-34. https://doi.org/10.30857/2786-5371.2022.4.2
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  • 05.09.2022
  • 504 Views
  • Technologies and Engineering - Vol. 23, No. 4, 2022
open access

Keywords: Directive 2008/98/EC; agricultural waste; bioenergy; bioconversion; biomass; modern biotechnologies

Bioconversion of organic waste – European experience and Ukrainian practices

Irina Korniyenko, Larysa Yastremska, Olena Kuznietsova, Mykhailo Baranovskyy, Anna Vizer

https://doi.org/10.30857/2786-5371.2022.3.4

Suggested citation

Korniyenko, I., Yastremska, L., Kuznietsova, O., Baranovskyy, M., & Vizer, A. (2022). Bioconversion of organic waste – European experience and Ukrainian practices. Technologies and Engineering, 23(3), 37-51. https://doi.org/10.30857/2786-5371.2022.3.4
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  • 27.06.2022
  • 502 Views
  • Technologies and Engineering - Vol. 23, No. 3, 2022
open access

Keywords: phosphogypsum, concentrate of rare earth elements, nitric acid treatment, filtrate, concentration

Study of the process of nitratic acid processing of phosphogypsum to obtain a concentrate of rare–earth elements

Olena Nazarenko, Anna Ivanchenko, Olena Kuznietsova

https://doi.org/DOI:10.30857/1813-6796.2020.3.16

Suggested citation

Nazarenko, O., Ivanchenko, A., & Kuznietsova, O. (2020). Study of the process of nitratic acid processing of phosphogypsum to obtain a concentrate of rare–earth elements. Technologies and Engineering, 21(3), 186-194. https://doi.org/DOI:10.30857/1813-6796.2020.3.16
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  • 30.06.2020
  • 411 Views
  • Technologies and Engineering - Vol. 22, No. 3, 2020
open access

Keywords: polishing, working container, free abrasive in the form of granules, polymeric units

Analytical determination of the time of handling process of polymeric parts in a machine with a complex movement of working container

Mark Zaliubovskyi, I. Panasiuk, Maxim Smirnov, Olena Kuznietsova, Viktor Malyshev

https://doi.org/10.1109/5.771073

Suggested citation

Zaliubovskyi, M., Panasiuk, I., Smirnov, M., Kuznietsova, O., & Malyshev, V. (2019). Analytical determination of the time of handling process of polymeric parts in a machine with a complex movement of working container. Technologies and Engineering, 20(3), 9-17. https://doi.org/10.1109/5.771073
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  • 25.06.2019
  • 385 Views
  • Technologies and Engineering - Vol. 20, No. 3, 2019
open access

Keywords: steel framed wall, U-value, thermal insulation, thermal insulation performance

Thermal insulation performance of steel framed walls

I. Panasiuk, Olena Kuznietsova

https://doi.org/10.30857/1813-6796.2018.4.1

Suggested citation

Panasiuk, I., & Kuznietsova, O. (2018). Thermal insulation performance of steel framed walls. Technologies and Engineering, 19(4), 9-16. https://doi.org/10.30857/1813-6796.2018.4.1
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  • 30.08.2018
  • 402 Views
  • Technologies and Engineering - Vol. 19, No. 4, 2018