Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Valentina Lyubomirova"'
Autor:
Dobril Valchev, Irina Ribarova, Boyan Borisov, Viden Radovanov, Valentina Lyubomirova, Irina Kostova, Galina Dimova, Orhideya Karpuzova, Svetlana Lazarova
Publikováno v:
Environmental Sciences Europe, Vol 36, Iss 1, Pp 1-15 (2024)
Abstract Background The management of sludge from municipal wastewater treatment plants (WWTPs) is a global issue, but also an opportunity for circular reuse. Recent data show that sludge reuse in agriculture has the highest share of all utilization
Externí odkaz:
https://doaj.org/article/7ea428b51a1f4b2593f883a79f3d3a31
Autor:
Veronika Mihaylova, Galina Yotova, Kristina Marinova, Aleksey Benderev, Valentina Lyubomirova, Stefan Tsakovski
Publikováno v:
Applied Sciences, Vol 13, Iss 21, p 11860 (2023)
Mining is a significant industrial and economic activity, but it can also result in ore waste that contains several potentially toxic elements (PTEs). Furthermore, the wide range of observed transfer and accumulation factors suggests that not only th
Externí odkaz:
https://doaj.org/article/61c1562744bc492ea780d6b2bf430710
Autor:
Tony Venelinov, Veronika Mihaylova, Rositsa Peycheva, Miroslav Todorov, Galina Yotova, Boyan Todorov, Valentina Lyubomirova, Stefan Tsakovski
Publikováno v:
Molecules, Vol 26, Iss 24, p 7517 (2021)
The temporal dynamics of anthropogenic impacts on the Pchelina Reservoir is assessed based on chemical element analysis of three sediment cores at a depth of about 100–130 cm below the surface water. The 137Cs activity is measured to identify the l
Externí odkaz:
https://doaj.org/article/6d99a54598c54cc987bc268b55236200
Autor:
Zlatka Milakovska, Atanas Hikov, Valcana Stoyanova, Irena Peytcheva, Valentina Lyubomirova, Tomasz Abramowski
Our study is focused on REE and yttrium (REY) geochemistry of pore waters from core-box sediments.The samples were collected from the 0–5 cm, 10–15 cm, 25–30 cm, and 35–40 cm depth intervals offour stations of the eastern part of block H_22 o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d0f06f919219172e6e55330daa0b811
https://zenodo.org/record/7529493
https://zenodo.org/record/7529493
Autor:
Mihaela Belouhova, Ivaylo Yotinov, Irina Schneider, Nora Dinova, Yovana Todorova, Valentina Lyubomirova, Veronika Mihaylova, Elmira Daskalova, Stilyana Lincheva, Yana Topalova
Publikováno v:
Processes; Volume 10; Issue 3; Pages: 460
Biological treatment is a key technology in landfill leachate treatment However, often its efficiency is not high enough due to the pollutants in concentrations above the critical ones. The present study aimed to investigate the adaptive responses th
Autor:
Veronika Yordanova, Yovana Todorova, Mihaela Belouhova, Lyubomir Kenderov, Valentina Lyubomirova, Yana Topalova
Publikováno v:
BioRisk 17: 59-71
The upper Iskar sub-catchment is one of Bulgaria’s most important economic and socially significant water sources because of its role in supplying Sofia with drinking water. Among the critical factors that carry potential high-risk levels for water
Publikováno v:
Processes; Volume 10; Issue 5; Pages: 839
Lead in buildings can be found in certain materials such as paints or can be a result of contamination during the use stage. In situ methods for lead identification can be vital for the proper treatment of hazardous CDW (from repair works or selectiv
Publikováno v:
RAP Conference Proceedings.
Publikováno v:
ArchéoSciences. :69-82
Fifteen samples of medieval glazed pottery from Drastar (present day Silistra), Bulgaria, dated between 10th and 18th centuries AD were studied. The element concentration of the glazes was determined by Proton Induced X-ray Emission (PIXE) and Proton
Publikováno v:
Journal of Food Composition and Analysis. 93:103595
Bulgaria is one of the countries in the world richest in mineral waters of natural origin, unique composition and drinking qualities. According to the National Register of the Ministry of Health (2019) 22 companies bottle natural mineral waters in Bu