ISSN: 1304-7191 | E-ISSN: 1304-7205
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Volume: 44 Issue: 2 Year: 2026
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1. Artificial neural network (ANN) approach for lead removal from aqueous solution by agricultural waste derived biochars
Nihan KAYA , Fatma ERDEM
DOI: 10.14744/sigma.2024.00103
Abstract
2. Performance of imputation techniques: A comprehensive simulation study using the transformer model
İsmail YENİLMEZ
DOI: 10.14744/sigma.2024.00131
Abstract
3. Broken rotor bar fault detection in induction motors through power spectral density to image method
Hatice OKUMUŞ , Ebru ERGUN
DOI: 10.14744/sigma.2024.00153
Abstract
4. Optimization of biogas production from floral waste using co-anaerobic digestion by implementing response surface methodology
Vaishali D. JAYSINGPURE , Moni U. KHOBRAGADE
DOI: 10.14744/sigma.2025.00057
Abstract
5. Comparison of random search and gradient-based optimization techniques on design improvement of permanent magnet synchronous motor
İsmail ÖYLEK , Metin VARAN , Ali ERDUMAN , Ahmet ZENGIN
DOI: 10.14744/sigma.2025.00058
Abstract
6. Homnormal: A comprehensive R package for testing the homogeneity of variances
Fikri GÖKPINAR , Esra GÖKPINAR
DOI: 10.14744/sigma.2025.00061
Abstract
7. Green synthesis of a zeolite from natural extract of Sapindus as a template
Fairouz MEZIANI , Zoubir BENMAAMAR , Nadji MOULAI-MOSTEFA , Mourad MAKHLOUF
DOI: 10.14744/sigma.2025.00094
Abstract
8. Predictive calculation of learning success of the haar cascade model on different objects
Mert DEMİR , Ecem İREN
DOI: 10.14744/sigma.2025.00095
Abstract
9. Advancements in energy-efficient routing protocols for wireless sensor networks: A computational intelligence perspective
G. RAJESWARAPPA , Srinivasulu SIRISALA , K. Swapna SUDHA , J David Sukeerthi KUMAR
DOI: 10.14744/sigma.2025.00097
Abstract
10. Energy-efficient static memory architecture for internet of things applications
Deepak GARG , Rupali SINGH
DOI: 10.14744/sigma.2025.00098
Abstract
11. Load demand estimation and prediction models for effective planning and sustainability of microgrid project in rural community
Harrison Oyibo IDAKWO , Lanre OLATOMIWA , Ambafi Garba JAMES , Abubakar Sadiq AHMAD
DOI: 10.14744/sigma.2025.00100
Abstract
12. A hybrid bit-efficientnet framework for automated detection of skin cancer and monkeypox using dermatoscopic images
Juby MATHEW , Dileepkumar S. R , Ardra B. S.
DOI: 10.14744/sigma.2025.00102
Abstract
13. Advanced predictive approaches for accident forecasting to enhance road safety
Prasad MANOJ , Kerekoppa Chandrashekar MANJUNATH , Kotagi B PUNITH
DOI: 10.14744/sigma.2025.00104
Abstract
14. Heart disease prediction using machine learning models: Performance analysis and comparisons
Abul Kalam AZAD , Travis ATKISON , A. F. M. Shahen SHAH , Ridwan BELLO , Abdulaziz ALMOUSA
DOI: 10.14744/sigma.2025.00131
Abstract
15. Towards artificial intelligence of things: Unsupervised machine learning approach for foot-type classification
Laith FARHAN , Ziad Qais Al-ABBASI , Ali S. ALHUMAIMA , Waled GHETH
DOI: 10.14744/sigma.2025.00132
Abstract
16. Investigation of the effects of weld modeling methods on natural frequency in prestressed and non-prestress modal analysis
Osman Bahadır ÖZDEN , Barış GÖKÇE
DOI: 10.14744/sigma.2025.00134
Abstract
17. Smart farming: Improved soil classification and yield forecasting using CNNS and machine learning algorithms
Uttam R. PATOLE , Manish SHRIVASTAVA
DOI: 10.14744/sigma.2025.00137
Abstract
18. A review and implementation study of IOT-enabled smart net meter units for solar rooftop PV systems
Akshay PATHARE , Dinesh SETHI
DOI: 10.14744/sigma.2025.00138
Abstract
19. Enhanced flexural strength evaluation: A comparative study of four-point and semi-circular bending tests on forta-ferro fiber-reinforced concrete
Mohsen GHOMI, Ehsanollah ZEIGHAMI, Seyed Mohammad MIRHOSSEINI, Seyed Hamid LAJEVARDI
DOI: 10.14744/sigma.2025.00142
Abstract
20. Formulation of eco-friendly dishwasher liquid: A sustainable solution
Hemant M. JARIWALA , Ravi VAGHELA
DOI: 10.14744/sigma.2025.00143
Abstract
21. Pre-fabrication analysis using ANSYS in dental implants for enhancing mechanical stability and clinical success
Naveen ANKEGOWDA , Rakshith GOWDA D. S. , Nithyananda B. S.
DOI: 10.14744/sigma.2025.00144
Abstract
22. Neuro‑computıng solution of graphene nano/microelectromechanical system through morlet wavelet neural network
Muhammad AMİR , Jamshaid UL RAHMAN
DOI: 10.14744/sigma.2025.00145
Abstract
23. Optimization of cable configurations in cable-stayed bridges: A linear optimization approach
Hossein KHOSRAVI , Mohsen GOLSHANI
DOI: 10.14744/sigma.2025.00146
Abstract
24. Residual vibrations control of a 3D printed lightweight single link flexible manipulator
Imran M. JAMADAR , Allwin Yesuvadian R. , Prasanta Kumar SAMAL , Vinodkumar H. P. , Anand A
DOI: 10.14744/sigma.2025.00167
Abstract
25. Corrosion mitigation and bond strength retention of reinforcement bars using henna and zinc inhibitor coatings
Nishant KUMAR , Satya PRAKASH
DOI: 10.14744/sigma.2025.00168
Abstract
26. A comprehensive survey on hostile post detectiontechniques in social media: Challenges and future directions
Jagruti BODA , Keyur RANA
DOI: 10.14744/sigma.2025.00169
Abstract
27. Hybrid CNN based GRU model with a self-adaptive metaheuristic algorithm -based stress detection framework
Fateh Bahadur KUNWAR , Rakesh Kumar YADAV , Hitendra SINGH , Lokesh MALVIYA
DOI: 10.14744/sigma.2025.00170
Abstract
28. SCAPS-1D performance analysis of MAPbI3 and MASnI3 based perovskite solar cells’
Velpuri LEELADEVI , Piyush KUCHHAL , Debasis DE
DOI: 10.14744/sigma.2025.00172
Abstract
29. A review: Machine learning approach to understanding the impact of mobile phone addiction on academic performance, health, and family life
R. Ruth BELINA , T. Lucia Agnes BEENA
DOI: 10.14744/sigma.2025.1908
Abstract
30. Failure analysis for expansion joint in crude oil storage tank: Case study
Mustafa M. MANSOUR , Adnan A. UGLA , Akram Hashim TAHER , Alaa M. LAFTA
DOI: 10.14744/sigma.2025.1909
Abstract
31. Investigation of high temperature performances of structural lightweight geopolymer concretes containing different proportions of basalt fiber
Sümeyye KARAHÜSEYİN , Şakir ERDOĞDU
DOI: 10.14744/sigma.2025.1910
Abstract
32. Analysis on the mechanical aspects of a multi-layered structure constructed from 1.14 Cr-1.0 Mo steel utilizing flux-cored wire by means of GMAW-based WAAM
Vaishali PRAJAPATI , Vyomesh BUCH
DOI: 10.14744/sigma.2025.1915
Abstract
33. Evaluating the effects of air content in concrete on the durability and appearance of exposed surfaces: A case study of three two-story buildings
Ahmad Seeyar FAHIM
DOI: 10.14744/sigma.2025.1916
Abstract
34. The influence of build orientation on the tensile strength of 3D printed PETG parts
Eknath BAYAS , Pramod KUMAR
DOI: 10.14744/sigma.2025.1917
Abstract
35. Optimizing halloysite nanotubes addition for improving tribological performance of castor seed oil
Sachin GHALME , Mohammad HAYAT , Mahesh HARNE
DOI: 10.14744/sigma.2025.1918
Abstract
36. Coronary artery disease risk prediction in patients of chronic kidney disease using machine learning and hybrid optimization
Bhavesh MATHUR , Sanjay JAIN
DOI: 10.14744/sigma.2025.1920
Abstract
37. Numerical investigations on the effect of submergence depth and surface wave effect on autonomous underwater vehicle
B. Sairam PRASAD , G. Ravikiran SASTRY
DOI: 10.14744/sigma.2025.1921
Abstract
38. Predictive modeling of dairy sales Using multi-perspective fusion integrated with universal scale: Insights from the dairy supply chain
Naveen D. CHANDAVARKAR , S SOUMYA
DOI: 10.14744/sigma.2025.1923
Abstract
39. Power law behavior in the top wealth distribution: Evidence from Türkiye
Anıl ABA
DOI: 10.14744/sigma.2025.1924
Abstract
40. Enhanced adaptive graph-based framework for targeted advertising using community detection in social networks
Nageswararao SIRISALA , Srinivasulu SIRISALA , O.G. MANASA , Y. Dileep KASI , V. Guru JAHNAVI
DOI: 10.14744/sigma.2025.1943
Abstract
41. Prediction performance of multiple linear regression analysis applied to the mechanical properties of green cement mortar
Kaci CHALAH , Aghiles HAMMA
DOI: 10.14744/sigma.2025.1945
Abstract
42. A systematic review of sharenting in türkiye using the prisma standard: Motivations, children’s rights, digital footprint, and cybersecurity
Ayça ÇIKRIKCI , İnci ZAİM GÖKBAY
DOI: 10.14744/sigma.2025.1946
Abstract
43. Mechanical properties and heat sink functionally graded material manufactured by laser powder bed fusion of selective laser melting process
Mudda NIRISH , P. MADHAVI , R. RAJENDRA
DOI: 10.14744/sigma.2025.1947
Abstract
44. Investigation of the usability of modified aSPI and erdi indexes in Sanliurfa province and determination of temperature and precipitation trends
Murat BATAN
DOI: 10.14744/sigma.2025.1948
Abstract
45. Stabilisation of expansive soil by geo-polymerisation of industrıal wastes-fly ash
Aishwarya GAYATRI , Pradip Kumar PRADHAN , Pravat Kumar PARHI
DOI: 10.14744/sigma.2025.1949
Abstract
46. Fixed point estimation of mean nonexpansive mappings and cohesive iteration method in CAT(0) spaces
Poonam GOYAL , Naresh SHARMA
DOI: 10.14744/sigma.2025.1950
Abstract
47. Modes in spin-polarized Quantum Dusty magnetoplasma
Shiv SINGH , Abhisek Kumar SINGH , Punit KUMAR
DOI: 10.14744/sigma.2025.1951
Abstract
48. Design and testing of flax-sisal-epoxy hybrid composites reinforced with glass fiber for automotive bumper beams
Jayashri WAGH , Mahadev MADGULE , Shaunak CHAUDHARI , Prajkta DEORE , Om DEODHAR
DOI: 10.14744/sigma.2025.1952
Abstract
49. Cooperative biomass to power supply chain network design under buyback contract in smart grids
Razieh KESHAVARZFARD
DOI: 10.14744/sigma.2025.1953
Abstract
50. Synthesis of compounds containing cyano anchor groups, production of dye-sensitive solar 1 cells and investigation of the antibacterial properties of these compounds
Fatma AYTAN KILIÇARSLAN , Melda ALTIKATOĞLU YAPAÖZ , İbrahim ERDEN
DOI: 10.14744/sigma.2025.1954
Abstract
51. Real-time implementation of secured data transmission with '3*m' imperceptible files on raspberry PI
Lingamallu Naga SRINIVASU , V. TEJU , K.V. SOWMYA , M. Vinod KUMAR
DOI: 10.14744/sigma.2026.1959
Abstract
52. Systematic review and analysis on recent techniques of photo sketch matching
Vishakha SEHDEV VERMA , Nidhi MALIK , Anshul BHATIA
DOI: 10.14744/sigma.2026.1960
Abstract
53. Pioneering light-gauge steel construction in Afghanistan: A case study of pilot initiatives in Badakhshan province
Ahmad Seeyar FAHIM , Hasibullah AZIZI , Ahmad Yamin RASA
DOI: 10.14744/sigma.2026.1961
Abstract
54. A study on prediction of flow and particle behavior on flow-throttling structures in hydrocyclones
Orçun EKIN
DOI: 10.14744/sigma.2026.1962
Abstract
55. Effect of coconut shell biochar on the flexural properties of polylactic acid bio-composite filaments for fused deposition modeling
Vishal DHIMMAR , Saurin SHETH
DOI: 10.14744/sigma.2026.1963
Abstract
56. Performance assessment of a solar evacuated tube at various tilt angles
Ramesh Kumar SINGH , Awdhesh Kumar PODDAR , V. N. Lakshmi DURGA , Shashikant DAS
DOI: 10.14744/sigma.2026.2005
Abstract
57. Surface roughness evaluation of copper material processed by single pole magnetic abrasive finishing process: A statistical factorial design study
Pravin Kumar SINGH , Kheelraj PANDEY , Anoop Kumar SOOD , Ashwani SHARMAD
DOI: 10.14744/sigma.2026.2007
Abstract
58. Tribological analysis of textured ring-cylinder liner pair under varying operating conditions
Atulkumar PATIL , Pankaj BELDAR , Vishnu WAKCHAURE , Prashant KUSHARE
DOI: 10.14744/sigma.2026.2037 Pages : 1313-1327
Abstract Full Text PDF
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