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Volume: 43 Issue: 5 Year: 2025
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Volume: 43 Issue: 5 - October 2025

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Research Article

2. Simulations and comparisons of the hay and perez models applied in PVsyst software and their effect on energy output
Sara AL-WAISAWY , Hamdiyah S. JASIM , Ahmed Hussein DUHIS
DOI: 10.14744/sigma.2025.00133 Pages : 1439-1450
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3. Urban morphology and planning from an entropy perspective: A bibliometric evaluation
Esra BAYAZIT
DOI: 10.14744/sigma.2025.00157 Pages : 1451-1472
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4. Broken rotor bar fault detection in induction motors through power spectral density to image method
Hatice OKUMUS , Ebru ERGUN
DOI: 10.14744/sigma.2024.00153 Pages : 1473-1483
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5. Cart KNN: A hybrid distance-based pre-pruned classification and regression method for the early diagnosis of Alzheimer’s disease
Pijush DUTTA , Sunita SHARMA , Varun Kumar NOMULA , Gour Gopal JANA , Anubrata MONDAL , Shobhandeb PAUL
DOI: 10.14744/sigma.2025.00147 Pages : 1484-1494
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6. On the use of different link functions in gamma-pareto regression model: Simulation and application
Nasir SALEEM , Atif AKBAR , Javaria Ahmad KHAN
DOI: 10.14744/sigma.2025.00148 Pages : 1495-1506
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7. Experimental investigation of thermo-hydraulic performance of multi semicircular rib of dimple hybrid channel
Kishor K. DHANDE , Prakash Santosh PATİL , Lalit N. PATİL , Vikash K. AGRAWAL , Atul A. PATİL
DOI: 10.14744/sigma.2025.00148 Pages : 1507-1519
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8. Evaluation of the bending fatigue behavior crack propagation in ultrahigh- strength steel's resistance spot welding joints, considering the mechanical properties
Mustafa GOKTAS , Bilge DEMIR , Muhammed ELITAS
DOI: 10.14744/sigma.2025.00149 Pages : 1520-1532
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9. Magnetohydrodynamic flow and effects of Soret, Dufour and thermophoresis through a chemically reacting porous stretching plate
Ankur KUMAR SARMA , Dipak SARMA , Sunmoni MUDOI
DOI: 10.14744/sigma.2025.00150 Pages : 1533-1546
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10. Trends and future perspectives in wind energy studies: A bibliometric analysis with time-series neural networks
Nihal GENC , Ferdi OZBILGIN , Volkan BASER
DOI: 10.14744/sigma.2025.00151 Pages : 1547-1571
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11. Real-time tomato flower estimation using deep learning models for e-agriculture applications
Bini D , Pamela D , Shajin PRINCE , K Martin SAGAYAM , Hatıra GÜNERHAN
DOI: 10.14744/sigma.2025.00152 Pages : 1572-1579
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12. Classification of ancient coins in archaeology using a novel deep learning approach: Bayesian convolutional neural network
Ebru PEKEL ÖZMEN , Soner ÖZMEN , Mehmet Emre SERTKAYA , Tuncay ÖZCAN , Vedat KELEŞ
DOI: 10.14744/sigma.2025.00153 Pages : 1580-1591
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13. Cat swarm optimized tumor segmentation and an ensemble predictive model for glioblastoma patient survival
Bhagyalaxmi K , Dwarakanath B
DOI: 10.14744/sigma.2025.00029 Pages : 1592-1606
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14. Examining dimensionality reduction effect of principal component analysis via hierarchical clustering techniques
Yağmur ŞAN , Tolunay GÖÇKEN
DOI: 10.14744/sigma.2025.00154 Pages : 1607-1627
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15. A creative combination of time series models for accurate forecastıng of monthly rainfall: A case study in Northeast India
D KARTHIKA , K KARTHIKEYAN
DOI: 10.14744/sigma.2024.00156 Pages : 1628-1642
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16. Exploration of Ulam-Hyers stability for a system of fractional integrocoupled differential equations with integral boundary conditions
Brijendra Kumar CHAURASIYA , Avadhesh KUMAR
DOI: 10.14744/sigma.2025.00155 Pages : 1643-1652
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17. In-sito co-pyrolysis of tea waste and polypropylene using microwave-assisted pyrolysis: products analysis, energy consumption, and synergy effect
Husam Talib HAMZAH , Sridevi VELURU , Suhair Abdulhadi MAHDI , Thamer Adnan ABDULLAH , M. TUKARAMBAI , Venkata Rao POIBA
DOI: 10.14744/sigma.2025.00063 Pages : 1653-1662
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18. An integrative approach to agricultural challenges: Predictive modeling, crop alternatives and automation
Swapnil S. JADHAV , Lalit N. PATIL , Vikas S. PANWAR , Sachin P. JADHAV , Digvijay B. KANASE , Sayali S. JADHAV , Neeraj D. PATEL , Khushi V. SALI , Srushti M. JOSHI , Ruchi N. NAGWANSHI
DOI: 10.14744/sigma.2025.00156 Pages : 1663-1682
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19. Unbiased weighted least squares estimation of Weibull modulus with small samples
Burak BİRGÖREN
DOI: 10.14744/sigma.2025.00158 Pages : 1683-1692
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20. Designing of triple rings metasurface based perfect absorber for C–band and X–band applications
Jigar M. PATEL , Rahul D. MEHTA
DOI: 10.14744/sigma.2025.00159 Pages : 1693-1703
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21. The effects of using lithium on biochemical factors of urinary beta-2 microglobulin, creatinine and urea serum in chronic bipolar patients
Seyed Reza MOMENI SHIDEH , Amireh Ebrahimi MOGHADAM , Zainab WETWET , Hayder Abbas Hussein AL MAHDI
DOI: 10.14744/sigma.2025.00160 Pages : 1704-1711
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22. Mathematical analysis of fractional order Covid 19 epidemic model
Pınar AÇIKGÖZ , Mehmet MERDAN
DOI: 10.14744/sigma.2025.00161 Pages : 1712-1724
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23. Global solar radiation prediction using machine learning approaches
M. MOHANDES , Hilal H. NUHA , Satria Akbar MUGITAMA , S. REHMAN , A. AL-SHAILKHI
DOI: 10.14744/sigma.2024.00128 Pages : 1725-1736
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24. Dynamic water monitoring and management system using labview and machine learning
Rupali DESHMUKH , Rhea GOMEZ , Pramod GARHWAL , Disha PATIL , Nilaj DESHMUKH
DOI: 10.14744/sigma.2025.00162 Pages : 1737-1750
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25. An abstract approach to sequences and series using soft complex numbers
Atiqe UR RAHMAN , Aram NOORI QADIR , Pishtiwan OTHMAN SABIR
DOI: 10.14744/sigma.2025.00163 Pages : 1751-1759
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26. Electrokinetic effect on flow of two-phase fluid in a circular tube
Sangeetha J , Ponalagusamy R
DOI: 10.14744/sigma.2025.00054 Pages : 1760-1784
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27. Investigation of seismic behavior of horizontally curved bridges in comparison with equivalent straight bridges accordıng to the AASHTO LRFD specifications
Esra NAMLI , Turgut ÖZTÜRK
DOI: 10.14744/sigma.2024.00116 Pages : 1785-1806
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Review Article

28. Recent and significant advances in crypto-biometrics: A detailed review
Priyanka BHATTACHARYYA , G.S.G.N. ANJANEYULU
DOI: 10.14744/sigma.2025.00164 Pages : 1807-1836
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29. Exploring metal organic frameworks for efficient drug delivery: A bibliometric review
Buddhadeb DUTTA , Supratim SUIN
DOI: 10.14744/sigma.2025.00165 Pages : 1837-1851
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30. A review on utilisation of nanofluid in solar energy harnessing
Sanjeev Kumar GUPTA , Vivek RATHORE
DOI: 10.14744/sigma.2025.00166 Pages : 1852-1885
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31. Assessing the role of circular economy principles in reducing waste by sustainable manufacturing practices: A review
Mustafa M MANSOUR
DOI: 10.14744/sigma.2024.00155 Pages : 1886-1896
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