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Volume: 42 Issue: 5 Year: 2024
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Volume: 42 Issue: 2 - April 2024

Front Matter

1. Front Matter
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Research Article

2. On ψ-quantum fractional operators: Existence, uniqueness and Ulam-Hyers stability
Norravich LİMPANUKORN , Idris AHMED , Muhammad Jamilu IBRAHİM
DOI: 10.14744/sigma.2024.00034 Pages : 313-320
Abstract Full Text PDF
3. Comparison of feature-based sentence ranking methods for extractive summarization of Turkish news texts
Ertürk ERDAĞI , Volkan TUNALI
DOI: 10.14744/sigma.2023.00076 Pages : 321-334
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4. Influence of burnishing process on surface integrity of inconel 718 fabricated by laser powder bed fusion additive manufacturing
Mert KAYA , Nihal YAMAN , Emre TAŞCIOĞLU , Yusuf KAYNAK
DOI: 10.14744/sigma.2023.00101 Pages : 335-343
Abstract Full Text PDF
5. Investigating the usability of Kevlar and steel fibers as a hybrid in concrete pavements
Erhan MOLA , Osman Ünsal BAYRAK , Fatih İrfan BAŞ , Halim Ferit BAYATA
DOI: 10.14744/sigma.2022.00080 Pages : 344-355
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6. Hand warmer types, silica and zeolite 4A as potential hand warmers
Fatma Burcu ALP , Devrim BALKOSE
DOI: 10.14744/sigma.2024.00035 Pages : 356-365
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7. Examination of strength reduction factor in CFRP-confined columns under axial compression
Aysun TEKİN ÖZER , Sema ALACALI
DOI: 10.14744/sigma.2024.00036 Pages : 366-382
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8. Low noise amplifier design for hidden wireless lan applications using band pass filter with geometric mean prototype element values
Mehmet DUMAN
DOI: 10.14744/sigma.2022.00081 Pages : 383-389
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9. The adaptive extended kalman filter approach for the Lotka-Volterra model and application to economic variables
Levent ÖZBEK , Volkan HACIOĞLU
DOI: 10.14744/sigma.2024.00037 Pages : 390-398
Abstract Full Text PDF
10. Vector autoregressive clustering for redundancy analysis in air pollution monitoring networks at Türkiye
Aytaç PEKMEZCİ , Muhammet Oğuzhan YALÇIN
DOI: 10.14744/sigma.2023.00074 Pages : 399-406
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11. A new application of fractional glucose-insulin model and numerical solutions
Zafer ÖZTÜRK , Halis BİLGİL , Sezer SORGUN
DOI: 10.14744/sigma.2023.00022 Pages : 407-413
Abstract Full Text PDF
12. Corrosion behavior of N80 tubing steel in the produced water
Duygu ARSLAN VATANSEVER , Simge ARKAN OZDEMIR , Nurhan CANSEVER , Esra ILHAN SUNGUR
DOI: 10.14744/sigma.2024.00038 Pages : 414-424
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13. A comparative analysis of software-defined network controllers in terms of network forensics processes and capabilities
Altuğ ÇİL , Mehmet DEMİRCİ
DOI: 10.14744/sigma.2022.00107 Pages : 425-437
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14. Anthocyanin and bioactivity properties of berberis crategina DC. In buffer system and apple juice: impact of temperature, time, and pH; Prediction using artificial neural network
Havva POLAT KAYA , Tuğba KOÇ , Lütfiye EKİCİ , Gülhan TOGA
DOI: 10.14744/sigma.2024.00028 Pages : 438-449
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15. Physiological, genetic and transcriptional characterization of Fusarium graminearum isolates
Tuğba TEKER , Syeda ANUM KHALID , Emre YÖRÜK , Gülruh ALBAYRAK
DOI: 10.14744/sigma.2022.00047 Pages : 450-458
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16. 1D Fuzzy inverse logic method and its use in the design of thick reinforced concrete columns
Ertekin ÖZTEKİN
DOI: 10.14744/sigma.2022.00083 Pages : 459-474
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17. Experimental analysis of a shake table test of strip footing on two layered reinforced soil
Litan DEBNATH
DOI: 10.14744/sigma.2024.00039 Pages : 475-489
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18. Investigation of stability and activity of quaternized zinc phthalocyanine photosensitizer with fused extended conjugation in vitro conditions
Yeşim KARAHAN , Gülşah GÜMRÜKÇÜ KÖSE , Gülnur KESER KARAOĞLAN , Dolunay ŞAKAR
DOI: 10.14744/sigma.2023.00026 Pages : 490-496
Abstract Full Text PDF
19. The effect of hesperidin on neuron-specific enolase and oxidative damage in the pre-eclampsia model
Emel SERDAROĞLU KAŞIKÇI , Burcu ÇEVRELİ , Tayfun GÖZLER , Muhsin KONUK
DOI: 10.14744/sigma.2024.00040 Pages : 497-502
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20. Modeling and analysis of schottky diode bridge and JFET based liénard oscillator circuit
Kübra ÇAKIR , Reşat MUTLU
DOI: 10.14744/sigma.2022.00082 Pages : 503-515
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21. Artificial neural network and multiple regression analysis for predicting abrasive water jet cutting of al 7068 aerospace alloy
Fuat KARTAL , Arslan KAPTAN
DOI: 10.14744/sigma.2023.00102 Pages : 516-528
Abstract Full Text PDF
22. Secure encryption over the ring F2 + uF2 + vF2 + uvF2
Neriman ŞOLT , Selda ÇALKAVUR , Murat GÜZELTEPE
DOI: 10.14744/sigma.2024.00041 Pages : 529-533
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23. A case study on lean occupational safety
Mesut ULU , Semra BİRGÜN
DOI: 10.14744/sigma.2022.00108 Pages : 534-548
Abstract Full Text PDF
24. Turkish coffee suppresses the progression of C6 glioma cells via the activation of apoptosis
Melike ERSÖZ , Zeynep Mine COŞKUN YAZICI , Berfin ÜLGEN BAĞIRGAN , Hamit Baturalp SAYINBATUR , Aynur ACAR
DOI: 10.14744/sigma.2024.00042 Pages : 549-554
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25. A new modelling approach for air transportation: A case study for total number of air passengers per month
Reşit ÇELİK , Hasan Aykut KARABOĞA , İbrahim DEMİR , Erdal GÜL
DOI: 10.14744/sigma.2024.00043 Pages : 555-565
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26. On a non-riemannian quantity of (α,β)-metrics
Semail ÜLGEN
DOI: 10.14744/sigma.2023.00127 Pages : 566-571
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27. On a boundary value problem with symmetric double well potential and spectral parameter in the boundary condition
Elif BAŞKAYA
DOI: 10.14744/sigma.2024.00044 Pages : 572-577
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28. Comparative performance analysis of epsilon-insensitive and pruningbased algorithms for sparse least squares support vector regression
Ömer KARAL
DOI: 10.14744/sigma.2024.00045 Pages : 578-589
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Review Article

29. Revisiting the crack closure and its effect on fatigue life of components
Ashutosh KUMAR , G.A. HARMAIN
DOI: 10.14744/sigma.2024.00046 Pages : 590-599
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30. Investigation of mechanical properties of Copper-Graphene composites in terms of production methods and additive ratios: A review
Alper MUTLU , Uğur ÇAVDAR
DOI: 10.14744/sigma.2023.00126 Pages : 600-613
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Technical Note

31. Investigation of heavy metal concentrations and determination of estimated daily intake and health risk index infant formula and baby foods in Zahedan in 2020
Aram DOKHT KHATIBI , Maryam BAZZI , Davoud BALARAK
DOI: 10.14744/sigma.2024.00047 Pages : 614-620
Abstract Full Text PDF
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