38 Contents

Volume 38 / C o n t e n t s
1.	*Atanas Atanassov* APPLYING REORDERED HEURISTICS FOR EFFICIENCY ENHANCEMENT IN SITUATIONAL ANALYSIS WHEN SOLVING PROBLEMS CONTAINING MORE THEN ONE CONDITION IN SPACE MISSION ANALYSYS DOI: https://doi.org/10.3897/arb.v38.e01	7
2.	*Peter Velinov, Simeon Asenovski, Lachezar Mateev* CORIMIA IONIZATION MODEL – 2+1 INTERVAL APPROXIMATION FOR COSMIC RAY NUCLEI (Z > 1) DOI: https://doi.org/10.3897/arb.v38.e02	26
3.	*Krasimira Yankova* THERMODYNAMIC HYPOTHESIS IN COSMOLOGY DOI: https://doi.org/10.3897/arb.v38.e03	37
4.	*Tsvetan Georgiev, Petko Nedialkov* QUASI-PERIODS IN THE LIGHT CURVE OF THE LBV STAR AF ANDROMEDAE REVEALED BY THE SEF METHOD DOI: https://doi.org/10.3897/arb.v38.e04	48
5.	*Rabab Helal, Mohamed Semeida, Ahmed Abulwfa* PREDICTION VERIFICATION OF SOLAR CYCLE 25 BASED ON THE PRECURSOR METHODS DOI: https://doi.org/10.3897/arb.v38.e05	62
6.	Safinaz A. Khaled, Amira Shimeis, Magda M. Hussein, Mohamed A. Semeida, Penka Stoeva, Alexey Stoev STATISTICAL STUDY OF EJECTIVE FILAMENT/PROMINENCE ERUPTIONS DURING SOLAR CYCLE 23 DOI: https://doi.org/10.3897/arb.v38.e06	70
7.	*Svetoslav Zabunov, Garo Mardirossian* Z-HELIOS SOLAR OPTICAL TELESCOPE FOR SPECTROHELIOGRAPH APPLICATION DOI: https://doi.org/10.3897/arb.v38.e07	80
8.	*Rosen Iliev, Boyko Ranguelov* VARIOGRAM-BASED FRACTAL ANALYSIS OF SLOPE MORPHOMETRY ON MERCURY DOI: https://doi.org/10.3897/arb.v38.e08	87
9.	*Adlin Dancheva, Temenuzhka Spasova, Andrey Stoyanov* SPECTRAL MAPPING OF WASTE DISPOSAL SITES NEAR IHTIMAN DOI: https://doi.org/10.3897/arb.v38.e09	96
10.	*Eugenia Sarafova, Kliment Naydenov* MAPPING AND DATA VISUALIZATION OF LAND COVER SURFACE HEAT DYNAMICS IN SOFIA, BULGARIA DOI: https://doi.org/10.3897/arb.v38.e10	108
11.	*Nataliya Stankova, Daniela Avetisyan* FOREST FIRE DATABASE ON THE TERRITORY OF BULGARIA FOR THE PERIOD 2020–2024 BASED ON SATELLITE DATA DOI: https://doi.org/10.3897/arb.v38.e11	120
12.	Borislav Grigorov, Petko Bozhkov, Assen Assenov, Kiril Vassilev, Nikolay Velev, Beloslava Genova, Bratan Tzenkov ASSESSMENT OF FIRE-PRONE AREAS USING MULTISPECTRAL SATELLITE DATA: A CASE STUDY FROM BREZNIK MUNICIPALITY (WESTERN BULGARIA) DOI: https://doi.org/10.3897/arb.v38.e12	130
13.	*Petar Dimitrov, Arthur Baylе* SNOW MELT-OUT DATE IN THE TREELESS ZONE OF THE HIGHEST MOUNTAINS IN THE EASTERN BALKAN PENINSULA FROM SENTINEL-2 OBSERVATIONS DOI: https://doi.org/10.3897/arb.v38.e13	140
14.	*Maria Dimitrova* SEASONAL AND TEMPORAL BEHAVIOR OF AIR POLLUTION OVER SOFIA CITY FOR THE PERIOD FROM 2007 TILL 2025 ON THE BASE OF SATELLITE AND GROUND DATA DOI: https://doi.org/10.3897/arb.v38.e14	158
15.	Georgi Zhelev, Nedko Dimitrov, Zlatomir Dimitrov, Georgi Sotirov, Pavel Penev, Konstantin Metodiev, Rosen Dimitrov, Milen Chanev QUASI-SYNCHRONOUS AEROSPACE MONITORING OF CRITICAL INFRASTRUCTURE OBJECTS USING UNMANNED AERIAL VEHICLES AND RADAR SATELLITES DOI: https://doi.org/10.3897/arb.v38.e15	167
16.	*Peter Getsov* AEROSPACE SYSTEM FOR MONITORING MAN-MADE AND NATURAL DISASTERS DOI: https://doi.org/10.3897/arb.v38.e16	179
17.	*Maria Dimitrova, Plamen Trenchev, Georgi Jelev, Lachezar Filchev* SEASONAL CORRELATION BETWEEN ATMOSPHERIC POLLUTION AND COVID-19 INCIDENCE DERIVED FROM SATELLITE AND GROUND-BASED OBSERVATIONS: A CASE STUDY OF SOFIA AND BURGAS DOI: https://doi.org/10.3897/arb.v38.e17	190
18.	*Veselina Gospodinova, Nikolay Atanasov, Marin Stoyanov* AN EFFICIENT METHODOLOGY FOR GENERATING A DETAILED THREE-DIMENSIONAL MODEL OF AN ARCH MONUMENT BY EMPLOYING AN OPTIMIZED UAV FLIGHT PLAN DOI: https://doi.org/10.3897/arb.v38.e18	208
19.	*Stoyan Tanev* REMOVAL OF ARTIFACTS IN THE OSCILLOMETRIC CURVE DURING ARTERIAL BLOOD PRESSURE MEASUREMENT DOI: https://doi.org/10.3897/arb.v38.e19	219
20.	*Pavlin Gramatikov* SIMULATION AND MODELS OF SECONDARY POWER SUPPLIES FOR AEROSPACE SYSTEMS DOI: https://doi.org/10.3897/arb.v38.e20	227
21.	*Konstantin Metodiev* STEADY FLOW ANALYSIS OF A SLENDER WING BY LIFTING SURFACE METHOD DOI: https://doi.org/10.3897/arb.v38.e21	235
22.	*Nikolay Zagorski* ENSURING THE SAFETY OF A HELICOPTER WITH AN EXTERNAL FIRE EXTINGUISHING DEVICE FOR EXTINGUISHING FIRE IN EXTREME METEOROLOGICAL CONDITIONS IN FLIGHT DOI: https://doi.org/10.3897/arb.v38.e22	243
23.	*Filip Iliev, Georgi Sotirov* ADAPTIVE ALGORITHMS FOR ENERGY RESOURCE OPTIMIZATION IN ELECTRONIC COUNTERMEASURES TO UAV SWARM ATTACKS DOI: https://doi.org/10.3897/arb.v38.e23	253
24.	Anna Bouzekova-Penkova, Vanya Dyakova, Yoanna Kostova, Hristina Spasova, Adelina Miteva INVESTIGATION OF THE CORROSION BEHAVIOR OF B95 (AA7075) ALUMINUM ALLOY REINFORCED WITH NANODIAMOND AND TUNGSTEN AFTER EXPOSURE TO OUTER SPACE DOI: https://doi.org/10.3897/arb.v38.e24	262
	*Reviews*
	*Dimitar Makariev, Plamen Trenchev* HYBRID INTELLGENT MODELLING OF ATMOSPHERIC POLLUTION FROM EARTH OBSERVATION DATA: A CRITICAL REVIEW OF DIGITAL TWINS, NEURAL SURROGATES AND GROUNDED LLM INTERFACES DOI: https://doi.org/10.3897/arb.v38.e25	272
	*New books*
	AEROSPACE TECHNOLOGIES AGAINST NATURAL DISASTERS DOI: https://doi.org/10.3897/arb.v38.e26	288