Vol. 77 No. 2 (2024)

Published: 29-02-2024

Mathematics

Fundamental Theorems for Timelike Surfaces in the Minkowski 4-Space

Victoria Bencheva, Velichka Milousheva

167–178
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Physics

Application of Aluminium Nanostructures for 355 nm Surface-enhanced Raman Spectroscopy of Coconut Milk

Petar Asenov Atanasov, Nikolay Nedyalkov Nedyalkov, Anna Ognemirova Dikovska, Daniela Karashanova, Naoki Fukata, Wipakorn Jevasuwan

179–187
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Biology

Up-to-date Epidemiology of Chronic Hepatitis C Virus Infection among Bulgarian Patients: a Single Centre Experience

Christo Pentchev, Mariya Petkova, Victor Alargkof, Yana Boyanova, Donika Todovichin, Aneta Ivanova, Assen Aleksiev, Krasimir Antonov

188–196
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Clinopodium vulgare L. Extract Counteracts DNA Damaging Action of Radiomimetic Zeocin Accelerating DSBS Rejoining in Saccharomyces Cerevisiae

Teodora Todorova, Iviyana Ivanova, Petya Parvanova, Stephka Chankova

196–203
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Structure of Zoocenoses in the Ephemeral Pond Lilov Vir, Western Bulgaria

Pencho Ivanov, Luchezar Pehlivanov

204–212
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Biodynamical Implications of Grafting Position Alteration in Engineered Mimics of Parkinson's Inhibitor MCoCP4

Nevena Ilieva, Elena Lilkova, Peicho Petkov, Xubiao Peng, Yadi Cheng

213–220
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Physical Geography

Analysis of the Regularity of Distribution of Natural Landscapes in the Greater Caucasus Depending on Physical-Geographical Characteristics Using GIS Technology

Afag Z. Hajiyeva, Firuza M. Jafarova

221–229
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Engineering Sciences

Simulation on a Generalized Oscillator Model: Web-Based Application

Angel Golev, Todorka Terzieva, Anton Iliev, Asen Rahnev, Nikolay Kyurkchiev

230–237
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Four Innovative Drone Interceptors

Svetoslav Zabunov, Garo Mardirossian

238–245
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Linear Phased Metamaterial Incorporated Patch Antenna Array at 28 GHz for 5G Base Stations

Kakumanu Naga Raju, Arunachalam Kavitha

246–255
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Exploring Low-Speed Marine Diesel Engine Parameters through Advanced 3D Visualization with Delaunay Triangulation

Dimitrichka Nikolaeva, Evgeni Nikolaev, Radostina Yankova, Deyan Veselinov

256–265
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Medicine

Riboflavin Increases Serum Glutamine Levels in Rats with Streptozotocin-induced Diabetes

Milen Hristov, Zafer Sabit, Tsvetomir Kirilov, Rumiana Tzoneva, Sonia Apostolova, Irina Georgieva, Pavlina Andreeva-Gateva

266–272
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Endometrial Polyps and Submucous Myomas as a Cause of Infertility. Analysis of Post-hysteroscopic Resection Results

Valentin Ivanov, Constantsa Neykova, Sergei Slavov, Maria Iunakova, Nadya Magunska, Ivan Kostov

273–279
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Contrast-enhanced Chest Ultrasound – Modern Achievements of Pulmonology in Bulgaria

Teodora Mihalova, Rosen Petkov

280–288
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Screening for Sleep Disordered Breathing in Three Distinct Neurological Diseases in the Bulgarian Population

Dimitar Taskov, Filip Alexiev, Petar Chipev, Milena Milanova

289–297
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Neurophysiological Methods for Diagnostics and Treatment Monitoring in Patients of Advanced Age with Epilepsy

Diana Betsinska, Pencho Kolev, Rumyana Kuzmanova

298–306
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Occlusion and Nutrition after Peadiatric Prosthetic Treatment

Desislava Dimitrova, Mariana Dimova-Gabrovska

307–315
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Agricultural Sciences

Fruit Disease Classification and Localization Using Region Based Regression

Annamalai Kavitha, Samuel Daniel Madan Raja, Palaniswami Sampath

316–324
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