Vol. 75 No. 11 (2022)

Published: 30-11-2022

Full Issue

Table of Contents

Mathematics

Characterizable and V-characterizable groups

Jinshan Zhang, Xiu Liu, Dandan Liu, Yanhua Huang

1551-1558
- Full Text
Decay in Energy Space for the Solutions of Generalized Schrödinger-Hartree Equation Perturbed by a Potential

Elena Nikolova, Mirko Tarulli, George Venkov

1559-1572
- Full Text

Physics

Optimal Signal Shaping in Solid State Detector Spectrometers

Mikhail A. Mikhailov, Lilianna Panteleev-Simeonova

1573-1578
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Biology

Antimicrobial Resistance and Whole Genome Sequencing Analysis of Neisseria gonorrhoeae Isolates in Bulgaria, 2019

Ivva Philipova, Viktoryia Levterova, Ivan Simeonovski, Todor Kantardjiev

1579-1587
- Full Text
Quercetin Influences Phospholipase A2 Products in A549 Adenocarcinoma Cells

Biliana Nikolova, Roumen Pankov, Galya Staneva, Nikolai Krastev, Tania Markovska, Stefan Pankov, Evgenia Vassileva, Dimo Krastev, Albena Momchilova

1588-1594
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Barcoding and Morphological Characterization of Mycena cupressina (Agaricales, Fungi), a Little-known and Controversially Treated Member of Section Supinae

Boris Assyov

1595-1603
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Geology

Santonian-Campanian Boundary Interval in the Kyunetsa Section, Western Srednogorie Zone, Bulgaria

Michael Wagreich, Docho Dochev, Polina Pavlishina, Veronika Koukal

1604-1612
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Hydrochemical Characteristics of the Large Karst Springs in the Catchment of Mesta River (Bulgaria)

Boyka Mihaylova, Konstantin Kostov, Aleksey Benderev

1613-1620
- Full Text

Geophysics

Statistical Model of Temperature Anomalies Using a New Instability Index

Hristo Chervenkov, Valery Spiridonov

1621-1627
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North Atlantic Oscillation and Variations of Geomagnetic Field

Natalya Kilifarska, Antonia Mokreva, Tsvetelina Velichkova

1628-1637
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Engineering Sciences

On the Sensitivity Estimation of the Symmetric Matrix Riccati Differential Equation

Vera Angelova, Todor Balabanov, Ivan Popchev

1638-1646
- Full Text
Accident Severity Estimation from Environmental Factors with the Proposed Dataset Separation Method

Kerim Karadağ, Mehmet Ayhan Çetin

1647-1655
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The Influence of Steel and Cast Iron as Substrate Materials on the Microstructure, Microhardness and Wear Resistance of Nickel-base Ti-Al Plasma Spray Coatings

Hristo Skulev, Deyan Veselinov

1656-1662
- Full Text
Novel DE-based Optimization Technique for the Renewable Sources' Integration

Vladan Ristic, Darko Sosic

1663-1671
- Full Text

Medicine

The Endogenous Cannabinoid System and Nitric Oxide Interact in Modulation of Cold Stress-induced Analgesia

Hristina Nocheva, Eleonora N. Encheva-Stoykova, Georgi Bogdanov, Roman Tashev, Rumen Nikolov

1672-1679
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Research of the Genetic Diversity of TT Viruses in Bulgaria

Kalina Shishkova, Iliya Tsekov, Rumen Popov, Stoyan Shishkov, Zlatko Kalvatchev

1680-1686
- Full Text
Secreted Factors from Umbilical Cord-Mesenchymal Stem Cells Affect CD86 Expression on B Lymphocytes and Increase CCL5 Chemokine Secretion by Healthy Donors' PBMC

Adelina Yordanova, Dobroslav Kyurkchiev, Mariana Ivanova, Kalina Tumangelova-Yuzeir, Kalina Belemezova, Ekaterina Ivanova-Todorova

1687-1695
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Advantages of Real-time PCR and RD4-PCR as Molecular Methods for Rapid Detection of Bovine Tuberculosis in Bulgaria

Tanya Savova-Lalkovska, Violeta Valcheva, Albena Dimitrova, Hristo Najdenski, Magdalena Bonovska

1696-1704
- Full Text