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Research Article
Title: CENTRALIZED CONTROLLER-BASED ON OPTIMAL POWER FLOW (OPF) ALGORITHM FOR POWER MANAGEMENT IN MICROGRID SYSTEMS
Authors: Abumuslim KHUJAEV, Abbas UĞURENVER
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2279-2293
DOI: 10.14744/sigma.2025.00027
Viewed: (71) times
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Research Article
Title: COMPARATIVE STUDY OF FERMATEAN FUZZY SOFT SETS WITH NORMALIZED DISTANCES AND ITS APPLICATION IN DIAGNOSE INFECTIOUS DISEASES
Authors: Saika SHEWALI, Borah Manash JYOTI, Mahanta Dimpal JYOTI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2272-2278
DOI: 10.14744/sigma.2025.1941
Viewed: (53) times
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Research Article
Title: DOUBLE-SIDED BANDPASS FREQUENCY SELECTIVE SURFACE DESIGN FOR C BAND WLAN RADOME APPLICATIONS
Authors: Burak Can KIŞLA, Bilge ŞENEL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2263-2271
DOI: 10.14744/sigma.2025.1940
Viewed: (63) times
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Research Article
Title: EXPERIMENTAL AND MICROSTRUCTURAL INVESTIGATION OF GEOPOLYMER CONCRETE
Authors: Swapnil D. KURHADE, Subhash V. PATANKAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2248-2262
DOI: 10.14744/sigma.2025.1939
Viewed: (49) times
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Research Article
Title: SIMULATION OF ENGINE OIL DRIVEN SECOND GRADE TERNARY HYBRID NANOFLUID FLOW SUBJECT TO THOMSON AND TROIAN SLIP VELOCITY ADDRESSING THE THERMOCONVECTION EFFECT
Authors: Tusar Kanti DAS, Mintu SAUD, Nayanto HAJONG, Bidyut KALITA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2234-2247
DOI: 10.14744/sigma.2025.1938
Viewed: (45) times
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Research Article
Title: STATIC AND DYNAMIC SLOPE STABILITY ANALYSES BASED ON FINITE ELEMENTS METHOD: THE EXAMPLE OF BIRECIK SLOPES
Authors: Ferit TAYLAN, Ali SARIIŞIK, Mustafa ULUKAVAK, Songül CAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2213-2233
DOI: 10.14744/sigma.2025.1937
Viewed: (29) times
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Research Article
Title: ENHANCING BATTERY SAFETY AND PERFORMANCE THROUGH ADVANCED COOLING SOLUTIONS FOR ELECTRIC VEHICLES
Authors: Madhavi NERKAR, Govind Rai GOYAL, Aniruddha MUKHERJEE, Bhanu Pratap SONI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2198-2212
DOI: 10.14744/sigma.2025.1936
Viewed: (27) times
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Research Article
Title: COSINE KUMARASWAMY FAMILY OF DISTRIBUTIONS: PROPERTIES AND APPLICATIONS TO REAL-WORLD DATASETS
Authors: Ibrahim ALI, Alhaji Modu ISA, Sule Omeiza BASHIRU, Arum Kingsley CHINEDU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2186-2197
DOI: 10.14744/sigma.2025.1935
Viewed: (19) times
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Research Article
Title: EVALUATION OF HEALTH CARE SYSTEMS USING SUPERVISED AND UNSUPERVISED MACHINE LEARNING APPROACHES
Authors: Canan BULUT, Tuğba SÖNAL, Dilek KOLCA, Fatih TARLAK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2174-2185
DOI: 10.14744/sigma.2024.00130
Viewed: (29) times
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Research Article
Title: MALE LIFESTYLE HABITS AND IN VITRO FERTILIZATION OUTCOMES: THE EFFECTS OF ALCOHOL AND SMOKING ON SPERM CHARACTERISTICS AND PREGNANCY RATES
Authors: Tamara AL-BARQ, Manal GHANNAM, Bilgen KAYMAKAMZADE, Evren HINCAL, Muhammad FARMAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2164-2173
DOI: 10.14744/sigma.2025.1934
Viewed: (26) times
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Research Article
Title: TREATABILITY OF LANDFILL LEACHATE PRE-TREATED WITH A TWO-STAGE BIOLOGICAL TREATMENT PROCESS TO THE LEVEL OF RECEIVING ENVIRONMENT STANDARDS BY USING THE FENTON PROCESS
Authors: Uğur KURT, Ömer APAYDIN, Yaşar AVŞAR, Mustafa Talha GÖNÜLLÜ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2152-2163
DOI: 10.14744/sigma.2025.1914
Viewed: (27) times
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Research Article
Title: STRATEGIC LOAD SCHEDULING IN SMART HOME: LEVERAGING IOT AND OPTIMIZATION ALGORITHMS FOR ENERGY COST REDUCTION
Authors: Ganesh SHIRSAT, Aniruddha MUKHERJEE, Ankit Kumar SHARMA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2140-2151
DOI: 10.14744/sigma.2024.00132
Viewed: (21) times
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Research Article
Title: HEAT GENERATION FROM 32650 CYLINDRICAL CELL BATTERY PACK AT VARIOUS LOAD AND SPEED CONDITIONS
Authors: Shashank GAWADE, Virendra BHOJWANI, Pradeep PATIL, M. ZUBAIRUDDIN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2127-2139
DOI: 10.14744/sigma.2024.00154
Viewed: (20) times
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Research Article
Title: A MODEL TO PROTECT DISASTER RECOVERY CENTERS FROM CYBER THREATS WITH MULTI-LAYERED NETWORK SECURITY ARCHITECTURE
Authors: Aykut YILMAZ, Ali GÜNEŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2108-2126
DOI: 10.14744/sigma.2025.1907
Viewed: (37) times
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Research Article
Title: ACZEL ALSINA AGGREGATION OPERATORS OF (M,N,Q)-SPHERICAL HESITANT FUZZY SETS AND THEIR APPLICATIONS IN MULTI-ATTRIBUTE DECISION-MAKING
Authors: Şerif ÖZLÜ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2025, Volume: 43, Issue: 6, (DEC 2025), pp:2094-2107
DOI: 10.14744/sigma.2025.1933
Viewed: (19) times
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