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Volume: 42 Issue: 2 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
Abstract Full Text PDF
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
Abstract Full Text PDF
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
Abstract Full Text PDF
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
Abstract Full Text PDF
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
Abstract Full Text PDF
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
Abstract Full Text PDF
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
Abstract Full Text PDF
26. On a non-riemannian quantity of (α,β)-metrics
Semail ÜLGEN
DOI: 10.14744/sigma.2023.00127 Pages : 566-571
Abstract Full Text PDF
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
Abstract Full Text PDF
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
Abstract Full Text PDF

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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