Vol. 78 No. 6 (2025)

Astronomy

Photometry with the New 1.5-meter Telescope of the Rozhen Observatory

Evgeni Semkov, Nikola Petrov, Milen Minev, Miroslav Moyseev, Dragomir Marchev, Evgeni Ovcharov, Josep Marti, Ivet E. Dimitrova, Radoslav K. Zamanov

797–804
- Full Text

Mathematics

On Greatest Common Divisors of Consecutive Shifted Fibonacci Sequences

Funda Taşdemir, Mehmet Ertaş

805–812
- Full Text
On Connectedness, Girth and Diameter of Gap Poset Graphs

Muhammad Ahsan Binyamin, Adeel, Amal S. Alali, Hasan Mahmood

813–820
- Full Text

Chemistry

Original Rapid UV-Vis Spectrophotometric Quantification of Ferrous Bisglycinate in Food Supplements

Trifon Angelov

821–829
- Full Text
Preparation and Study of the Mechanical and Optical Properties of Anodized BIO Titanium Alloys

Vladimir Petkov, Mihaela Aleksandrova, Shaban Uzun, Stancho Yordanov, Tatyana Ivanova

830–836
- Full Text

Biology

Molecular Identification, Antifungal Resistance and Distribution of Pathogenic Yeasts in Bulgaria

Roumen Dimitrov, Penka Stefanova, Dilnora Gouliamova

837–845
- Full Text
A Novel Application of Phage Display Technology for Antibody Selection, Using Alternating Rounds of Positive and Negative Selection

Ivanela Albanova, Lyuben Zagorchev, Mariela Odjakova, Miroslav Marinov, Denitsa Teofanova

846–853
- Full Text
The Role of Methylcellulose in the Development of Physiologically Relevant in vitro Models for Cancer Research

Desislava Vladimirova, Shazie Yusein-Myashkova, Iva Ugrinova, Jordana Todorova

854–861
- Full Text

Physical Geography

Study of the North Atlantic Oscillation Influence on the Climate of Europe and Balkan Peninsula

Tsvetelina Velichkova, Natalya Kilifarska, Antonia Mokreva

862–872
- Full Text

Geophysics

Features of the Hydrological Structure of Varna Lakes and the Atmospheric Impact on the Water Area in the Period 2022–2023

Dimitar Trukhchev, Ekaterina Bachvarova, Anton Krastev, Stoyan Georgiev

873–883
- Full Text

Engineering Sciences

Adaptive Control of Pyrolysis Reactor's Temperature Modes Based on Fuzzy Logic and Metaheuristic Optimization

Yue Zheng, Jianjun Wang, Anna Aleksieieva, Andriy Shynder, Yuriy Kondratenko

884–893
- Full Text
M/LSTM-GRU Hybrid Model for Solar Radiation Estimation

Kübra Kaysal, Fatih Onur Hocaoğlu, Ahmet Haşim Yurttakal, Hasan Erbay

894–903
- Full Text

Medicine

Relationship between Malocclusion, Loss of Cervical Lordosis and Atlanto-occipital Instability: A Randomized Controlled Trial

Ergin Kalkan, Recep Taskin, Fatih Ugur

904–915
- Full Text
Luminex Crossmatch in Kidney Transplantation – Single Centre Experience

Petya Yankova, Anastasiya Mihaylova, Elisaveta Naumova

916–922
- Full Text
Relations Between Two Biological Markers of Aberrant Neurodevelopment – Foot Dominance and Minor Physical Anomalies

Katerina Akabalieva, Elena Ivanova

923–930
- Full Text
Additional Value of SPECT/CT Imaging to $${}^{\rm 99m}$$Tc-DTPA Dynamic Renal Scintigraphy in the Diagnosis of Patients with Different Nephro-urological Conditions

Teodor Sofiyanski, Sonya Sergieva, Bozhil Robev, Milena Dimcheva, Ognyan Gatsev, Iliya Saltirov

931–938
- Full Text
Salivary Human Papillomavirus Infection in Healthy People

Virna-Maria Tsitou, Dimitrios Rallis, Mariana Tsekova, Nikolay Yanev

939–945
- Full Text

Agricultural Sciences

Soil Salinization in Ujar Region of Azerbaijan with Index Application and Various Methods Comparison

Amin Ismayilov Ismayil, Rana Hasanova-Babazade Alakbar, Vusala Isagova Gudrat, Rana Mirzezadeh Islam, Turkan Hasanova Allahverdi

946–954
- Full Text

Full Issue

Astronomy

Photometry with the New 1.5-meter Telescope of the Rozhen Observatory

Mathematics

On Greatest Common Divisors of Consecutive Shifted Fibonacci Sequences

On Connectedness, Girth and Diameter of Gap Poset Graphs

Chemistry

Original Rapid UV-Vis Spectrophotometric Quantification of Ferrous Bisglycinate in Food Supplements

Preparation and Study of the Mechanical and Optical Properties of Anodized BIO Titanium Alloys

Biology

Molecular Identification, Antifungal Resistance and Distribution of Pathogenic Yeasts in Bulgaria

A Novel Application of Phage Display Technology for Antibody Selection, Using Alternating Rounds of Positive and Negative Selection

The Role of Methylcellulose in the Development of Physiologically Relevant in vitro Models for Cancer Research

Physical Geography

Study of the North Atlantic Oscillation Influence on the Climate of Europe and Balkan Peninsula

Geophysics

Features of the Hydrological Structure of Varna Lakes and the Atmospheric Impact on the Water Area in the Period 2022–2023

Engineering Sciences

Adaptive Control of Pyrolysis Reactor's Temperature Modes Based on Fuzzy Logic and Metaheuristic Optimization

M/LSTM-GRU Hybrid Model for Solar Radiation Estimation

Medicine

Relationship between Malocclusion, Loss of Cervical Lordosis and Atlanto-occipital Instability: A Randomized Controlled Trial

Luminex Crossmatch in Kidney Transplantation – Single Centre Experience

Relations Between Two Biological Markers of Aberrant Neurodevelopment – Foot Dominance and Minor Physical Anomalies

Additional Value of SPECT/CT Imaging to $${}^{\rm 99m}$$Tc-DTPA Dynamic Renal Scintigraphy in the Diagnosis of Patients with Different Nephro-urological Conditions

Salivary Human Papillomavirus Infection in Healthy People

Agricultural Sciences

Soil Salinization in Ujar Region of Azerbaijan with Index Application and Various Methods Comparison

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