ISSN: 1304-7191 | E-ISSN: 1304-7205
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Volume: 43 Issue: 2 Year: 2025
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1. The utilization of lathe waste as a catalyst for the treatment of landfill leachate in supercritical water conditions
Ekin KIPÇAK , Mesut AKGÜN
DOI: 10.14744/sigma.2023.00097
Abstract Full Text PDF
2. Determinatıon of stress magnification factor in welded joint by experimental and numerical analysis using ultra-high-strength steel
Osman Bahadır ÖZDEN , Barış GÖKÇE
DOI: 10.14744/sigma.2023.00100
Abstract Full Text PDF
3. A comparative study on the machining performance of eco-friendly low-lead and lead-free brass alloys in replacement for leaded ones
Nima ZOGHIPOUR , Emre TAŞCIOĞLU , Ali Özkan KESKİN , Yusuf KAYNAK
DOI: 10.14744/sigma.2023.00107
Abstract Full Text PDF
4. Reduce childhood obesity via new form of nano hexa topological space
R. MOHANA PRIY , S. SANTHIYA
DOI: 10.14744/sigma.2024.00052 Pages : 799-807
Abstract Full Text PDF
5. Phase-mismatch third harmonic generation in quantum magnetoplasma
Shiv SINGH , Abhisek Kumar SINGH , Punit KUMAR
DOI: 10.14744/sigma.2024.00053
Abstract
6. A comparative exploration of a magnetized power-law fluid past an inclined plate with variable physical properties
Sathya PALANI , Padigepati NAVEEN
DOI: 10.14744/sigma.2024.00072 Pages : 827-834
Abstract Full Text PDF
7. Investigation of the cyclic load behavior of reinforced concrete frames exposed to high temperatures using the finite element method
Halit Erdem ÇOLAKOĞLU , Metin HÜSEM
DOI: 10.14744/sigma.2024.00086 Pages : 857-877
Abstract Full Text PDF
8. Influence of spin on propagation of electromagnetic wave in quantum dusty magnetoplasma
Abhisek Kumar SINGH , Punit KUMAR
DOI: 10.14744/sigma.2024.00101
Abstract
9. 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
10. The real forms of the S_3-graded algebras sl(2,C)
Yasemen UÇAN , Ramazan TEKERCİOĞLU , Ülkü BABUŞCU YEŞİL
DOI: 10.14744/sigma.2024.00109
Abstract
11. MHD flow and effects of hall current, joule heating, and heat source across a chemically reacting and radiating exponentially stretching sheet in a porous medium
Ankur KUMAR SARMA , Dipak SARMA , Sunmoni MUDOI
DOI: 10.14744/sigma.2024.00110
Abstract
12. 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
Abstract
13. Artificial intelligence, machine learning, and deep learning applications in the engineerıng fields – A comprehensive review
Haneen DARWISH , Walaa DARWISH , Hiba DARWISH , Issa W. ALHMOUD , Osamah ALSHRAIDEH
DOI: 10.14744/sigma.2024.00126
Abstract
14. Multilayered full adder layout with wire crossings: A QCA approach to nano computations
Rohit Kumar SHAW , Angshuman KHAN
DOI: 10.14744/sigma.2024.00127
Abstract
15. 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
Abstract
16. Evaluation of health care systems using supervised and unsupervised machine learning approaches
Canan BULUT , Tuğba SÖNAL , Dilek KOLCA , Fatih TARLAK
DOI: 10.14744/sigma.2024.00130
Abstract
17. Performance of imputation techniques: A comprehensive simulation study using the transformer model
İsmail YENİLMEZ
DOI: 10.14744/sigma.2024.00131
Abstract
18. Strategic load scheduling in smart home: Leveraging IOT and optimization algorithms for energy cost reduction
Ganesh SHIRSAT , Aniruddha MUKHERJEE , Ankit Kumar SHARMA
DOI: 10.14744/sigma.2024.00132
Abstract
19. 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
20. Heat generation from 32650 cylindrical cell battery pack at various load and speed conditions
Shashank GAWADE , Virendra BHOJWANI , Pradeep PATIL , M. ZUBAIRUDDIN
DOI: 10.14744/sigma.2024.00154
Abstract
21. 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
Abstract
22. 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
Abstract
23. Indoor-outdoor scene recognition: A multi-feature framework using CNN for complex environment
Pandit NAGRALE , Sarika KHANDELWAL
DOI: 10.14744/sigma.2024.00157
24. Electric bus preference with analytical hierarchy process and grey relational analysis combination in public transportation considering modern trend criteria: Kayseri, Türkiye case study
Aslan İNAN , Huzeyfe KARA
DOI: 10.14744/sigma.2024.00158
Abstract
25. A literature review: Effects of ohmic heating on inactivation of specific bacterial spores in various matrixes
Rengin SIKI , Ahmet ERYAŞAR
DOI: 10.14744/sigma.2025.00001
Abstract
26. Centralized controller-based on optimal power flow (OPF) algorithm for power management in microgrid systems
Abumuslim KHUJAEV , Abbas UĞURENVER
DOI: 10.14744/sigma.2025.00027
Abstract
27. Cat swarm optimized tumor segmentation and an ensemble predictive model for glioblastoma patient survival
Bhagyalaxmi K , Dwarakanath B
DOI: 10.14744/sigma.2025.00029
Abstract
28. Multi-zone commercial market building HVAC control strategy based on reinforcement learning algorithm models
Ganesh MURADE , Bhanu Pratap SONI , Ankit Kumar SHARMA
DOI: 10.14744/sigma.2025.00051
Abstract
29. A study on numerical solutions of a fractional-order model for car t-cell therapy in leukemia using the laplace-adomian decomposition method
Rezaul KARİM , M. Ali AKBAR , M. A. BKAR PK , Pinakee DEY
DOI: 10.14744/sigma.2025.00053
Abstract
30. Electrokinetic effect on flow of two-phase fluid in a circular tube
Sangeetha J , Ponalagusamy R
DOI: 10.14744/sigma.2025.00054
Abstract
31. Solving multi-depot vehicle routing problem with incoterms: a case study for export logistics
Gokce OZDEN-GURCAN , Suna KOSE
DOI: 10.14744/sigma.2025.00055
Abstract
32. Electricity energy consumption forecasting using LSTM and NAR
Parastou BEHGOUY , Abbas UĞURENVER
DOI: 10.14744/sigma.2025.00056
Abstract
33. 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
34. 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
35. Mechanical vibration-assisted enhancement of weldment mechanical properties
Japhia Sudarsan NALLA , Basanta Kumar PALAI , P. Govinda RAO
DOI: 10.14744/sigma.2025.00059
Abstract
36. An exact analysis of chemical reaction and porosity effects for mixed convective magnetohydrodynamics Casson fluid
Nur Fatihah MOD OMAR , Zulkhibri ISMAIL , Rahimah JUSOH , Muhammad Azrin AHMAD , Ahmad Qushairi MOHAMAD
DOI: 10.14744/sigma.2025.00060
Abstract
37. Homnormal: A comprehensive R package for testing the homogeneity of variances
Fikri GÖKPINAR , Esra GÖKPINAR
DOI: 10.14744/sigma.2025.00061
Abstract
38. Analyzing challenges to maximıze the efficiency of industrial processes using carbon capture and hydrogen energy production from methane
Kareem A. ABDELKAREEM , Ahmed El-AWADY
DOI: 10.14744/sigma.2025.00062
Abstract
39. 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
Abstract
40. Assessing durabilty in geopolymer composites with brick powder and recycled concrete aggregate
Beyza Fahriye AYGUN , Birkan AKTURK , Mucteba UYSAL , Hanane BOUTKHIL
DOI: 10.14744/sigma.2025.00071 Pages : 777-798
Abstract Full Text PDF
41. BIM in PPP projects comprehensive performance evaluation framework: A literature-based analysis
Ali AL-SHAMAYLEH , Sharifah ZAKARIA , Nur RAHIM
DOI: 10.14744/sigma.2025.00065 Pages : 705-713
Abstract Full Text PDF
42. Cyber-shield machine learning: an intrusion detection system with blockchain-powered secure log storage across network nodes
Tejaswini PAWAR , Jyoti RAO , Pramod PATIL
DOI: 10.14744/sigma.2025.00066 Pages : 714-725
Abstract Full Text PDF
43. PAPR reduction of GFDM signals using moving average filtering scheme for future wireless communications
R. Anil KUMAR , Srinivas THIRUMALA , Tota SREENIVAS , Sarala PATCHALA , Srujana GOLLAPALLI ,
DOI: 10.14744/sigma.2025.00067 Pages : 726-736
Abstract Full Text PDF
44. Estimation of the Gompertz distribution’s parameters under folded ranked set sampling
Hasan Huseyin GUL , Nurdan YENIAY KOÇER
DOI: 10.14744/sigma.2025.00068 Pages : 737-747
Abstract Full Text PDF
45. Evaluation of the variations in the physicochemical and microbiological properties of tarhana enriched with a black carrot during the production process
Burcu Mine KIYMAZ , Müberra BİRKAN , Zerrin BAYRAKTAR , Melike Nur TOZLUOGLU , Büşra KIRTEKIN , Merve KORUR , Muhammet ARICI
DOI: 10.14744/sigma.2025.00073 Pages : 816-826
Abstract Full Text PDF
46. High gain, low-profile, wideband archimedean spiral antenna with hexagonal fractal reflector surface
Rabia Nur SAĞ , Tolgahan TÜYLÜ , Alper ÇALIŞKAN , Nurhan TÜRKER TOKAN
DOI: 10.14744/sigma.2025.00076 Pages : 878-886
Abstract Full Text PDF
47. Two modified forms of the SAIR model with a fuzzyfied vaccination effectiveness parameter
Harun BALDEMİR , Agah AKIN , Ömer AKIN
DOI: 10.14744/sigma.2025.00077 Pages : 887-898
Abstract Full Text PDF
48. Machine learning approach for predicting truck drivers’ involvement in an injury accident
Ibrahim Khalil UMAR
DOI: 10.14744/sigma.2025.00072 Pages : 808-815
Abstract Full Text PDF
49. Evaluation of a robotic restaurant management system with UI design, voice assistant, and machine learning integration
Lalit N. PATIL , Vikash K. AGRAWAL , Kishor K. DHANDE , Shrihari D. KHATAVKAR , Ganesh D. MANDE , Vishvajit S. PATIL , Shreyash S. RATNAPARKHI
DOI: 10.14744/sigma.2025.00078 Pages : 899-909
Abstract Full Text PDF
50. Bone fracture detection using image processing techniques
Swapnil S. JADHAV , Vikash K. AGRAWAL , Yashraj M. PATIL , Lalit N. PATIL , Mohammad KHAN , Rehan M. PANSARE , Yaeesh I. SHAIKH , Abhijit N. SANGALE , Vijaykumar JAVANJAL
DOI: 10.14744/sigma.2025.00069 Pages : 748-759
Abstract Full Text PDF
51. Influential observations detection in the gamma-pareto regression model under different link functions with standardized and adjusted deviance residuals: Simulation and application
Nasir SALEEM , Atif AKBAR , Saima LAEEQ , Shakeel AHMAD , Herlina HANUM
DOI: 10.14744/sigma.2025.00070 Pages : 760-776
Abstract Full Text PDF
52. Analysis on equitable local edge antimagic coloring of certain graphs
K. ABIRAMI , N. MOHANAPRIYA
DOI: 10.14744/sigma.2025.00074 Pages : 835-841
Abstract Full Text PDF
53. Computational fluid dynamics analysis of multi-winglets for ınduced drag reduction in subsonic, transonic, and supersonic flows at different reynolds numbers
Mahesh NAKKA , Atal Bihari HARICHANDANB , Basanta Kumar RANA
DOI: 10.14744/sigma.2025.00075 Pages : 842-856
Abstract Full Text PDF
54. Navigating efficiency: Evaluating wireless ad hoc network protocols with NS-3
Shubha S , Dunde VENU , Suhasini VIJAYAKUMAR , Kiran Sree POKKULURI , B N V Narasimha RAJU , Banda SAISANDEEP
DOI: 10.14744/sigma.2025.00079 Pages : 910-921
Abstract Full Text PDF
55. An application of interval valued neutrosophic soft multisets in MCDM
J. JAYASUDHA , C. KOWSALYAHARISHANTHI
DOI: 10.14744/sigma.2025.00080 Pages : 922-932
Abstract Full Text PDF
56. Innovative heating strategies for extending electric vehicle range in cold weather conditions
Vijaykumar K. JAVANJAL , Lalit N. PATIL , Kuldeep A. MAHAJAN , Atul A. PATIL , Vikash K. AGRAWAL
DOI: 10.14744/sigma.2025.00081 Pages : 933-942
Abstract Full Text PDF
57. Quantum-enhanced multimodal fusion for robust and accurate fake news detection
Thulasi BIKKU , Srinivasarao THOTA
DOI: 10.14744/sigma.2025.00082 Pages : 943-954
Abstract Full Text PDF
58. Applications of 4x4 involutive MDS matrix on finite fields F24, F26, F27
Mehmet ÖZEN , Serra SAZOĞLU , Tuğçe TUFANÇLI , Osama A. NAJI
DOI: 10.14744/sigma.2025.00083 Pages : 955-961
Abstract Full Text PDF
59. Real-time LPG leakage monitoring system using iot and cloud technology
Ayodeji OKUBANJO , Alexander OKANDEJI , Benjamin AKINLOYE , Ignatius OKAKWU , Martins OSIFEKO
DOI: 10.14744/sigma.2025.00084 Pages : 962-980
Abstract Full Text PDF
60. The investigation of the interaction of gastric cancer receptors and natural drug ligands in origanum bilgeri
Faik GÖKALP , Ramazan ERENLER , Mehmet Hakki ALMA
DOI: 10.14744/sigma.2025.00084 Pages : 981-986
Abstract Full Text PDF
61. Dynamics of a prey-predator-scavenger model with Holling type IV functional response
R. GEETHA , M. SIVABALAN , M. SIVA PRADEEP , K. SATHIYANATHAN
DOI: 10.14744/sigma.2025.00085 Pages : 987-998
Abstract Full Text PDF
62. A dynamic study of the generalized Cheeger problem: An application to the temporal prediction of landslides and rainfall threshold
Praveen Kumar KUSHWAHA , Lakshmi Narayan MISHRA
DOI: 10.14744/sigma.2025.00086 Pages : 999-1013
Abstract Full Text PDF
63. Study of the antibiotic resistance of some bacterial strains isolated from the gut microbiota of children fed with commercial infant formula
Belgharbi ASMAA , Allam Mohamed AMINE , Benyelles MIRVETTE , Tir touil AICHA
DOI: 10.14744/sigma.2025.00087 Pages : 1014-1019
Abstract Full Text PDF
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