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Acta Scientifica Naturalis

Volume 10 (2023): Issue 1 (March 2023)

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9 Articles
Open Access | Mar 29, 2023
Editorial Note: Rhodopes Mountains - a fairy tale in green – Part I (Eastern Rhodopes)
Dimcho Zahariev

Dimcho Zahariev

Department of Plant Protection, Botany and Zoology, Faculty of Natural Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Zahariev, Dimcho
  
Open Access | Mar 29, 2023
Thermodynamic solid-liquid equilibrium model for mixed systems HF-NaF-H2O and HF-KF-H2O up to 2 m HF at T = 25oC
Stanislav Donchev

Stanislav Donchev

Department of Chemistry, Faculty of Natural Sciences, Bishop Konstantin Preslavski University of ShumenShumen, Bulgaria
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Donchev, Stanislav
, 
Tsvetan V. Tsenov

Tsvetan V. Tsenov

Department of Chemistry, Faculty of Natural Sciences, Bishop Konstantin Preslavski University of ShumenShumen, Bulgaria
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Tsenov, Tsvetan V.
 and 
Christomir Christov

Christomir Christov

Department of Chemistry, Faculty of Natural Sciences, Bishop Konstantin Preslavski University of ShumenShumen, Bulgaria
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Christov, Christomir
  
Open Access | Mar 29, 2023
Potential health benefits of the plant Levisticum officinale (lovage) in relation to its polyphenolic content
Antoaneta Georgieva

Antoaneta Georgieva

Department of Pharmacology and Clinical Pharmacology and Therapeutics, Faculty of Medicine, Medical University “Prof. Dr. Paraskev Stoyanov”Varna, Bulgaria
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Georgieva, Antoaneta
  
Open Access | Mar 29, 2023
Opuntia fragilis (Nutt.) Haw. (Cactaceae) in the Bulgarian flora
Dimcho Zahariev

Dimcho Zahariev

Department of Plant Protection, Botany and Zoology, Faculty of Natural Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Zahariev, Dimcho
  
Open Access | Mar 29, 2023
Learning for sustainability - competences and expectations
Klaida Doichinova

Klaida Doichinova

Department of Biology, Faculty of Natural Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Doichinova, Klaida
  
Open Access | Mar 29, 2023
Green infrastructure - the smart interpreting of natural capital
Dora Kabakchieva

Dora Kabakchieva

Faculty of Natural Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Kabakchieva, Dora
 and 
Vanya Vasileva

Vanya Vasileva

Faculty of Natural Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Vasileva, Vanya
  
Open Access | Mar 29, 2023
Protected areas in the Stara planina tourist region – current state and prospects for tourism development
Vanya Vasileva

Vanya Vasileva

Faculty of Natural Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Vasileva, Vanya
 and 
Sevdzhan Sabrieva

Sevdzhan Sabrieva

Department for Information, Qualifications and Continuing Education, Bishop Konstantin Preslavsky University of ShumenVarna, Bulgaria
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Sabrieva, Sevdzhan
  
Open Access | Mar 29, 2023
Tourism in Varna Black sea area – current situation and prospects for development
Sevdzhan Sabrieva

Sevdzhan Sabrieva

Department for Information, Qualifications and Continuing Education, Bishop Konstantin Preslavsky University of ShumenVarna, Bulgaria
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Sabrieva, Sevdzhan
  
Open Access | Mar 29, 2023
Tourism as a prerequisite for changing the national identity
Tsvetelina Metodieva

Tsvetelina Metodieva

Department of Security Systems Management, Faculty of Technical Sciences, Bishop Konstantin Preslavsky University of ShumenShumen, Bulgaria
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Metodieva, Tsvetelina
  

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Language:
English
Publication timeframe:
1 times per year
Journal Subjects:
Chemistry, Chemistry, other, Geosciences, Geography, Life Sciences, Life Sciences, other, Physics, Physics, other
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