Vol. 78 No. 11 (2025)

Published: 30-11-2025

Full Issue

Table of Contents

Mathematics

Conjecture: the Set of Prime Numbers Is Supernatural

Arnaud Mayeux

1585–1592
- Full Text
On Solvability and Average Codegree of a Finite Group

Shitian Liu, Maosen Xie

1593–1600
- Full Text

Chemistry

Plant Leaves as a Biogeochemical Indicator of the Environmental State in Different Regions of Azerbaijan

Roza Mammadova Nazim, Shalala Salimova Jafar, Sultan Huseynova Maharram, Gunay Mammadova Israphil, Turkan Hasanova Allahverdi, Hijran Rafiyeva Latif, Gunel Jafarova Ali

1601–1610
- Full Text
Feasibility of TXRF for Elemental Analysis of Fluid Inclusions in Galena Crystals

Christina Tz. Tzvetkova, Nikolay B. Piperov, Albena K. Detcheva

1611–1619
- Full Text
Study on the Influence of Anodization Parameters on Microhardness, Thickness, and Corrosion Resistance of Aluminium Alloy 6063-T6

Deyan Veselinov

1620–1628
- Full Text

Biology

Phenotypic and Genotypic Determination of Metallo-Beta-Lactamases in Clinical Acinetobacter spp Isolates

Ferhan Korkmaz, Asuman Birinci, Yeliz Tanrıverdi Çaycı

1629–1636
- Full Text
Influence of 2.45 GHz EMF on Yeast – Antioxidant Defence and Cell Wall

Boyana Angelova, Momchil Paunov, Nikolay Atanasov, Blagovest Atanasov, Gabriela Atanasova

1637–1646
- Full Text
Effect of Novobiocin on Repair of Hydrogen Peroxide and UV-induced DNA Damage in Tumour Cell Lines by Modified Comet Assay

Vera L. Djeliova, Mihail S. Stoyanov, Temenouga N. Guecheva

1647–1654
- Full Text

Geology

Magnesian Skarns from the Djurkovo Pb-Zn Deposit: Mineral Composition and Retrograde Alteration

Rossitsa D. Vassileva, Sylvina Georgieva, Georgi Milenkov, Yana Georgieva, Radek Škoda, Jan Cempírek, Danail Yovchev

1655–1668
- Full Text
Early Paleogene (?) Tectonics of Northern Pirin Mt., SW Bulgaria (Based on Preliminary Photogeological Observations)

Ivan Zagorchev

1669–1679
- Full Text

Engineering Sciences

Innovative Spectroheliograph

Svetoslav Zabunov, Garo Mardirossian, Nadia Marinova

1680–1685
- Full Text
Study of the Seals Throttling Gaps Parameters Influence on the Vibration Characteristics of Rotary Machines

Weidong Hui, Serhii Shevchenko, Oleksandr Khitrov, Sergiy Ryzhkov, Olena Moiseienko, Tymur Parashchenko, Yana Kovalenko

1686–1694
- Full Text
Performance and Environmental Impact Analysis of a Grid-connected PV Power Plant Using AI-based Real-time Monitoring

Büşra Kişecok, Tarkan Koca, Aydın Çıtlak

1695–1702
- Full Text

Medicine

Toxigenic Clostridioides difficile and Their Antibiotic Susceptibility in Bulgarian Patients during and Post-COVID-19 Pandemic

Lyudmila Boyanova, Georgi Dimitrov, Denis Niyazi, Yulia Marteva-Proevska, Petyo Hadzhyiski, Raina Gergova, Rumyana Markovska

1703–1709
- Full Text
Pathogenic Contribution of Human Papillomaviruses and Epstein–Barr Virus to Prostate Cancer in Bulgarian Patients

Elena Todorova, Anita Kavrakova, Goran Derimachkovski, Bilyana Georgieva, Silvia Kalenderova, Feodor Odzhakov, Svitlana Bachurska, Maria-Elena Boyadzhieva, Ivan Terziev, Margarita Guenova, Vanyo Mitev, Albena Todorova

1710–1719
- Full Text
Urinary Incontinence during Pregnancy, in Early Puerperium and in the Period after Late Puerperium – Significance of the Issue

Teodora Karachorova, Svetlozar Slavov, Radko Tocev, Mariana Tsankova, Ivan Kostov

1720–1729
- Full Text
Determination of the Antibiotic Susceptibility Profile of Aeromonas veronii, Which Causes Septicemia in Wild-caught Carp Species, Using MALDI-TOF and Culture Methods

Filiz Özcan, Arnaldo Figueredo, Salim Yakut, Neval Berrin Arserim, Muzaffer Aydın Ketani, Fadile Yıldız Zeyrek, Nezahat Akpolat, Kasım Aydın

1730–1738
- Full Text
Nutritional Status and Permanent Tooth Eruption in Bulgarian Children Aged 5–12 Years

Boyan Kirilov, Ivaila Ivanova-Pandourska, Yanitsa Zhecheva

1739–1746
- Full Text