Vol. 75 No. 5 (2022)

Mathematics

Notes on 1-Absorbing Prime Ideals

El Mehdi Bouba, Mohammed Tamekkante, Ünsal Tekir, Suat Koç

631-639
- Full Text
The NF-Number of Two Complete Graphs Joined by a Common Vertex

Hafiz Muhammad Bilal, Sarfraz Ahmed, Hasan Mahmood, Muhammad Ahsan Binyamin

640-648
- Full Text
A Note on the Irrationality of Angles of Kloosterman Sums over Finite Field

Lyubomir Borissov, Yuri Borissov

649-654
- Full Text

Physics

Validation of a VVER 1000 Trace Model

Pavlin Petkov Groudev, Petya Ivanova Vryashkova, Antoaneta Emilova Stefanova, Valentin Georgiev Georgiev

655-662
- Full Text

Chemistry

Participation of Carbohydrate Structures in the Formation of Complex Structure of Hemocyanins from Haliotis tuberculata

Alexander Dolashki, Asya Daskalova, Emilya Pisareva, Ventsislava Petrova, Pavlina Dolashka

663-671
- Full Text
Effects of Gamma Irradiation on Free Radical Components, Phenolic Content and Antioxidant Activity of Beebread

Ralitsa B. Mladenova, Katerina I. Aleksieva, Nikolay Y. Solakov, Kamelia K. Loginovska

672-679
- Full Text

Biology

First Pleistocene Record of Great Grey Owl (Strix nebulosa Forster, 1772) in Bulgaria

Zlatozar Boev, Heimo Mikkola

680-685
- Full Text
A Seroepidemiological Investigation of Toxocariasis in Forestry Workers in Bulgaria

Eleonora Kaneva, Georgi Nikolov, Yana Kandova, Bogdan Petrunov

686-693
- Full Text
The Expression Level of RAGE Forms in Different Cancer Cell Lines

Maria Petrova, Iva Ugrinova, Evdokia Pasheva

694-699
- Full Text

Space Sciences

Global Maps of Galactic Cosmic Ray Induced Ionization at Different Altitudes in Planetary Atmosphere

Alexander Mishev, Peter I. Y. Velinov

700-708
- Full Text
Poloidal-compressional MHD Modes of the Earth's Ionosphere

Petko Nenovski, Rumen Shkevov

709-718
- Full Text

Engineering Sciences

Index Matrix Representation of Big Data Structures

Krassimir Atanassov, Veselina Bureva

719-725
- Full Text

Medicine

Antitumour Activity of Different Bioactive Compounds from Hemolymph and Mucus of Mollusca against Human Urinary Bladder Cancer Cell Lines

Maria Nikolova, Spiro Konstantinov, Lyudmila Velkova, Dimiter Kaynarov, Aleksandar Dolashki, Pavlina Dolashka

726-736
- Full Text
Stereotactic Electroencephalography in Patients with Drug-resistant Epilepsy

Krasimir Minkin, Kaloyan Gabrovski, Petar Karazapryanov, Yoana Milenova, Stanimir Sirakov, Vasil Karakostov, Petia Dimova

737-744
- Full Text
Melatonin Receptor 1B Polymorphisms and Reproductive Failure – a Pilot Study

Ralitsa N. Robeva, Elena Marinova, Georgi Nikolaev, Silvia I. Andonova, Alexey S. Savov, Dobromir I. Tanev, Gueorgui Nikolov, Rossitza Konakchieva

745-751
- Full Text
The Relationship between H. pylori and Dietary Habits in Obese Female Patients

Ulku Karaman, Yasemin Kaya, Yeliz Kasko Arıcı, Neval Berrin Arserim, Zuhal Karaca Karagöz, Cemil Colak, Gamze Yolalan, Sermin Top

752-763
- Full Text
Stress Distribution of Periodontal Ligament in Mandibular Second Molar with Different Distal Alveolar Bone Losses

Huajie Li, Zhao Li

764-772
- Full Text

Agricultural Sciences

Application of Fast Biochemical Stress Markers for Evaluation of Drought Tolerance of Four Common Winter Wheat Varieties

Anelia Dobrikova, Preslava Borisova, Ekaterina Yotsova, Radoslav Chipilski, Evgeniy Dimitrov, Zlatina Uhr, Elena Todorovska, Antoaneta V. Popova

773-782
- Full Text

Full Issue

Mathematics

Notes on 1-Absorbing Prime Ideals

The NF-Number of Two Complete Graphs Joined by a Common Vertex

A Note on the Irrationality of Angles of Kloosterman Sums over Finite Field

Physics

Validation of a VVER 1000 Trace Model

Chemistry

Participation of Carbohydrate Structures in the Formation of Complex Structure of Hemocyanins from Haliotis tuberculata

Effects of Gamma Irradiation on Free Radical Components, Phenolic Content and Antioxidant Activity of Beebread

Biology

First Pleistocene Record of Great Grey Owl (Strix nebulosa Forster, 1772) in Bulgaria

A Seroepidemiological Investigation of Toxocariasis in Forestry Workers in Bulgaria

The Expression Level of RAGE Forms in Different Cancer Cell Lines

Space Sciences

Global Maps of Galactic Cosmic Ray Induced Ionization at Different Altitudes in Planetary Atmosphere

Poloidal-compressional MHD Modes of the Earth's Ionosphere

Engineering Sciences

Index Matrix Representation of Big Data Structures

Medicine

Antitumour Activity of Different Bioactive Compounds from Hemolymph and Mucus of Mollusca against Human Urinary Bladder Cancer Cell Lines

Stereotactic Electroencephalography in Patients with Drug-resistant Epilepsy

Melatonin Receptor 1B Polymorphisms and Reproductive Failure – a Pilot Study

The Relationship between H. pylori and Dietary Habits in Obese Female Patients

Stress Distribution of Periodontal Ligament in Mandibular Second Molar with Different Distal Alveolar Bone Losses

Agricultural Sciences

Application of Fast Biochemical Stress Markers for Evaluation of Drought Tolerance of Four Common Winter Wheat Varieties

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