Vol. 77 No. 9 (2024)

Published: 30-09-2024

Full Issue

Table of Contents

Mathematics

A Study on Harmonic Functions

Mehmet Fatih Uçar, Hatice Esra Özkan Uçar

1271–1276
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Chemistry

Study of the Kinetics of Nucleation and Growth of Silver Nanoparticles: UV-Visible Spectroscopy vs. Atomic Force Microscopy and Transmission Electron Microscopy

Peter Georgiev, Silviya Simeonova, Lyuben Mihaylov, Diana Nihtianova, Konstantin Balashev

1277–1284
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Biology

Toxicity of Essential Oil from Artemisia herba-alba (Asso.) against Two Insect Pests of Stored Products

Lallia Amara, Mohamed Zairi, Hadria Amel Benchohra, Samira Meziani, Abbassia Demmouche

1285–1293
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Determination of Tetracycline Group Antibiotics Residues in the Tigris River and Agricultural Lands Fed by Tigris River and Reduction of Unconscious Use of Antibiotics

Filiz Özcan, Aytekin Çelik, Neval Berrin Arserim

1294–1301
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Geology

Arsenopyrite from the Low-sulphidation Sedefche Au-Ag deposit, Eastern Rhodopes: Mineral Association and Gold Potential

George Lutov, Sylvina Georgieva, Rossitsa D. Vassileva

1302–1311
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Strontium Isotope Composition of Triassic Coastal and Shallow Marine Carbonates in the Western Balkanides, NW Bulgaria

Athanas Chatalov, Ivan Savov

1312–1321
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Engineering Sciences

Research on the Amount of Information Needed to Restore the Original Order of Four or Eight Elements Lists, when Using Different Sorting Algorithms

Metodi L. Dimitrov, Tzvetomir I. Vassilev

1322–1330
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Fuzzy Logic-based Current Control Logic for Proportional Flow Control Valve System of Medical Ventilators

Deepa Mohanram, Vidhyapriya Ranganathan

1331–1339
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Effect of Heat Input on Microstructure and Microhardness in WAAM

Manahil Tongov, Vladimir Petkov, Plamen Tashev

1340–1346
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Solar Radiation Prediction in PV Power Systems: a Comparison of Deep Learning Models Using Big Data

Fatma Didem Alay, Nagehan İlhan, Mehmet Tahir Güllüoğlu

1347–1354
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Designing Energy-efficient DC Robotic Machines with Advanced Cyber Security for a Smart Grid System

Sivakumar Ramanathan, Dhamodaran Muneeswaran

1355–1363
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The Dynamics Stability Judging Method for a Gantry-type Welding Robot

Zheng Mingliang

1364–1375
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Medicine

Could ASA and Charlson Comorbidity Index Scores Help the Current Comorbidities Stratification in Non-surgical Knee Osteoarthritis Multimodal Pain Management?

Dimitar Tonev, Antoaneta Toncheva, Stoika Radeva, Todor Kundurzhiev

1376–1384
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The Impact of Covid-19 on Lower Urinary Tract Symptoms (LUTS) in Patients Treated Conservatively for Benign Prostatic Hyperplasia

Petar A. Antonov, Plamen K. Krastev, Atanas S. Ivanov, Eleonora H. Hristova, Aleksander I. Timev

1385–1391
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Expression of Neurotrophic Factors and Their Receptors in the Rat Spinal Trigeminal Nucleus

Andrey Ivanov, Dimitrinka Atanasova, Nikolai Lazarov

1392–1399
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Prevalence of Age-related Macular Degeneration among Elderly Bulgarian Population

Evelina Marinova, Elena Mermeklieva

1400–1407
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Single Visit Root Canal Treatment of Teeth with Chronic Periapical Periodontitis

Denitsa Georgieva Zaneva-Hristova

1408–1416
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Agricultural Sciences

Bio-insecticidal Efficacy of Beauveria bassiana Vuill. Strains against Tettigonia viridissima L. in Tobacco

Zheko Radev, Velichka Spasova-Apostolova, Mariana Petkova

1417–1422
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