Zobrazeno 1 - 10
of 47
pro vyhledávání: '"R. Mladenova"'
Autor:
O. Dimitrov, I. Stambolova, T. Babeva, K. Lazarova, G. Avdeev, M. Shipochka, R. Mladenova, S. Simeonova
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3026-3034 (2022)
Samarium doped (0.5–5 at.%) ZrO2 films with high surface and optical quality were obtained by sol–gel method using inorganic zirconium precursor. The morphology and roughness of the samples were investigated by scanning electron microscopy (SEM)
Externí odkaz:
https://doaj.org/article/b4c22ed4963e4ec6b3b9d59698d4fbff
Akademický článek
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Autor:
Tzvetelina R. Mladenova, Iva Slavova, Mariana D. Argirova, Desislava Teneva, Plamen Stoyanov, Venelin Petkov
Publikováno v:
The Natural Products Journal. 12
Background: Ferns are underestimated as medicinal plants and their use in traditional medicine is limited despite their diversity. Most of the research on their healing properties and phytochemical composition related to their biological activity has
Autor:
Toncho G. Dinev, Nikolina V. Rusenova, Milena T. Tzanova, Neli H. Grozeva, Mariya A. Gerdzhikova, Plamen S. Stoyanov, Tsvetelina R. Mladenova, Georgi G. Beev
Publikováno v:
Ecologia Balkanica, Vol 12, Iss 2, Pp 165-174 (2020)
Betonica bulgarica Degen et Neič. (syn. Stachys bulgarica Hayek) is a Bulgarian endemic plant included in Red Data Book of Bulgaria under the category "endangered". The aim of the present study is to provide data about the antimicrobial activity of
Autor:
Tsvetelina R. Mladenova, Plamen S. Stoyanov, Irina K. Michova-Nankova, Rumen D. Mladenov, Doychin T. Boyadzhiev, Anelia V. Bivolarska, Krasimir T. Todorov
Publikováno v:
Ecologia Balkanica, Vol 11, Iss 2, Pp 133-140 (2019)
The present work presents a comparative anatomical study of the leaf epidermis of the Bulgarian endemic Micromeria frivaldszkyana (Degen) Velen. and Clinopodium vulgare L., belonging to the family Lamiaceae. In both species they occur diacytic and an
Publikováno v:
Ecologia Balkanica, Vol 11, Iss 1, Pp 27-33 (2019)
Base on the national herbariums deposited in the country and some authors' collections, a review of the status of Asparagus species has been made. Information on ecology, height range and representation of Bulgarian species in herbarium collections i
Autor:
Y. Karakirova, R. Mladenova
Publikováno v:
Radiation Physics and Chemistry. 197:110218
Publikováno v:
Ecologia Balkanica, Vol 10, Iss 2, Pp 1-6 (2018)
The study presents data on the species diversity of medicinal plants on the territory of the Waterfall Canyon Eco-trail, part of the “Soskovcheto” Reserve (Western Rhodopes Mts. in South Bulgaria). Ninety-six species were recorded, grouped in 42
Autor:
Krasimir T. Todorov, Iliya V. Cheshmedzhiev, Plamen S. Stoyanov, Tsvetelina R. Mladenova, Ivanka Zh. Dimitrova-Dyulgerova
Publikováno v:
Ecologia Balkanica, Vol 10, Iss 2, Pp 229-233 (2018)
A key table for species determination of the Bulgarian representatives from the genus Carduus was modified, basing on the findings from the biosystematical study. Taxonomic classification of C. nutans and C. thoermeri was assumed, and new floristic r
Autor:
Ivanka I. Teneva, Diyana Y. Basheva, Tsvetelina R. Mladenova, Plamen S. Stoyanov, Detelina S. Belkinova, Rumen D. Mladenov
Publikováno v:
Ecologia Balkanica, Vol 10, Iss 2, Pp 111-121 (2018)
Cyanobacteria are photosynthetic prokaryotes with cosmopolitan distribution. They are major producers of primary biomass and free oxygen in most of the freshwater and marine biomes on the planet. Under certain conditions of the environment, these org