Vol. 77 No. 8 (2024)

Published: 29-08-2024

Full Issue

Table of Contents

Mathematics

Novel Fixed Point Theorems in Partially Ordered Modular Metric Spaces with Some Applications

Hami Gündoğdu, Mahpeyker Öztürk, Ömer F. Gözükızıl

1115–1127
- Full Text
On the Diophantine Equation $${L^2_m}+{L^2_n}=2^a$$

Ahmet Emin

1128–1137
- Full Text

Physics

Experimental Verification of the Gouy Phase for Higher-Order Hermite-Gaussian Beams

Lyubomir Stoyanov, Nasko Gorunski, Maria Mincheva, Petko Drenkov, Edmon Lazarov, Alexander Dreischuh

1138–1145
- Full Text

Biology

Effect of Ionizing Radiation on the Activity of the Enzyme Invertase Studied by Polarimetry

Philip Marinov, Ivo Petrov, Krum Stoilov, Tsvetoslav Lazhovski, Peter Temnishki, Svetla Petrova, Konstantin Balashev

1146–1153
- Full Text

Geophysics

Investigation of Urban Heat Island Based on Remote Sensing and GIS

Shahnaz S. Amanova, Afag Z. Hajiyeva, Firuza M. Jafarova

1154–1161
- Full Text

Engineering Sciences

Enhancing Digital Camera Image Quality and Thermal Efficiency Analysis

Tomas Lekov, Nicole Christoff

1162–1168
- Full Text
The Metal Magnetic Memory Method and Its Application for Early Detection of Stress Zones in NPP Piping

Galya Dimova

1169–1175
- Full Text
Methodology for Design of Hydrogen Robot for Medical Needs

Nina Valchkova, Roman Zahariev, George Angelov, Yasen Paunski

1176–1184
- Full Text
Radial Basis Function Neural Networks (RBFNN) for Secure Intrusion Detection in the Internet of Drones (IoD)

Nek Muhammad Katbar, Abdul Hakeem, Israr Ahmed, Ghulam Abbass

1185–1192
- Full Text
Applicable International Standardized Basis in Defining Data for Security Systems Development

Valeri Panevski

1193–1200
- Full Text

Medicine

Risk Factors for Very Long ICU Stay after Cardiac Surgery and Effects on the Quality of Life

Fillip Abedinov

1201–1210
- Full Text
The Role of Spinal Anaesthesia with and without Intrathecal Opioid Coadministration in Improving Oncologic Outcomes after Endoscopic Transurethral Cancer Surgery

Dimitar Tonev, Zhivko Siromahov, Stoika Radeva, Todor Kundurzhiev

1211–1218
- Full Text
Calcium-Phosphorus Metabolism in Females with Autoimmune Thyroiditis and Hypothyroidism

Maria Miteva, Maria Orbetzova, Boyan Nonchev, Delyana Davcheva, Kostadin Gigov

1219–1226
- Full Text
Does the Use of Psychoactive Substances Reveal Underlying Trauma or Common Mental Health Problems?

Desislava Ignatova, Iva Haygarova, Maria Kamusheva, Dimo Dimov, Petra Marinova-Djambazova, Rositsa Vladimirova

1227–1235
- Full Text
Deflection of Needles, Used for Local Anesthesia in the Dental Practice – Comparative Study

Rusi Argirov, Petia Pechalova

1236–1242
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Agricultural Sciences

Influence of SO4 and Rupestris du Lot (Monticola) Rootstocks on the Production of Tangra Dessert Vine Planting Material

Galina Dyakova, Ralitsa Mincheva, Svetlana Stoyanova

1243–1250
- Full Text
Observation on the Influence of Apple Woolly Aphid (Eriosoma lanigerum Hausm.) on Vegetative Parameters of Grafted Plants in Container Production

Plamen Ivanov

1251–1259
- Full Text
Diversity and Structure of Soil Bacterial Communities in the Area of Non-ferrous Metal Plant Revealed by 16S rRNA Gene Retrieval

Radina Nikolova, Anelia Kenarova, Silvena Boteva, Nikolai Dinev, Galina Radeva Radeva

1260–1268
- Full Text