ISSN: 1304-7191 | E-ISSN: 1304-7205
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Volume: 41 Issue: 4 Year: 2023
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1. Design and analysis of an improved single-phase quasi-z-source inverter
Mustafa Sacid ENDİZ , Ramazan AKKAYA
DOI: 10.14744/sigma.2021.00045
Abstract
2. Some properties of the topological spaces generated from the simple undirected graphs
Hatice Kübra Sarı
DOI: 10.14744/sigma.2022.00071
Abstract Full Text PDF
3. Xerogel of fast kinetics and high adsorption capacity for cationic dye removal
Deniz SEZGIN , Muge SARI YILMAZ
DOI: 10.14744/sigma.2022.00019
Abstract Full Text PDF
4. Role of air pollution on COVID-19 in Istanbul
İlknur Dönmez , Zafer Aslan
DOI: 10.14744/sigma.2022.00021
Abstract Full Text PDF
5. The quasicompact-open topology on KC(X,Y)
İsmail Osmanoğlu
DOI: 10.14744/sigma.2022.00022
Abstract Full Text PDF
6. Identification of precipitation zones in Pakistan by Global Wavelet Power Spectrum
Kamran Zakaria , Saima Mir , Saeed Hafeez
DOI: 10.14744/sigma.2022.00023
Abstract Full Text PDF
7. Graphene-based materials for bone tissue engineering
Busra OKTAY , Esma AHLATCIOĞLU ÖZEROL , Cem Bulent USTUNDAG
DOI: 10.14744/sigma.2022.00024
Abstract Full Text PDF
8. Tribological behavior of epoxy nanocomposites under corrosive environment: effect of high-performance boron nitride nanoplatelet
Emine Feyza SUKUR , Halil Burak KAYBAL , Hasan ULUS , Ahmet AVCI
DOI: 10.14744/sigma.2022.00025
Abstract Full Text PDF
9. Rehydration characteristics and kinetics of traditionally dried mussels at different temperatures
Zehra OZDEN OZYALCIN , Azmi SEYHUN KIPCAK
DOI: 10.14744/sigma.2022.00044
Abstract Full Text PDF
10. The effect of production parameters of crab and shrimp based chitosan on the adsorption of aluminum and lead
Zehra OZDEN OZYALCIN , Azmi SEYHUN KIPCAK
DOI: 10.14744/sigma.2022.00046
Abstract Full Text PDF
11. Physiological, genetic and transcriptional characterization of Fusarium graminearum isolates
Tuğba TEKER , Syeda ANUM KHALID , Emre YÖRÜK , Gülruh ALBAYRAK
DOI: 10.14744/sigma.2022.00047
Abstract Full Text PDF
12. A novel application for DC motor-generator cascade system by changing signal density of digital chaotic oscillator
Ercan KÖSE , Aydın MÜHÜRCÜ , Serdar COŞKUN
DOI: 10.14744/sigma.2022.00048
Abstract Full Text PDF
13. Influence of silica nanoparticles on the stability of paraffin wax emulsion
Aliu Pennah İBRAHİM , İlker ERDEM , Mehmet GÖNEN
DOI: 10.14744/sigma.2022.00049
Abstract Full Text PDF
14. A new classification-based approach for multi-focus image fusion
Samet AYMAZ , Şeyma AYMAZ , Cemal KÖSE
DOI: 10.14744/sigma.2022.00069
Abstract Full Text PDF
15. A new IOT system for non-contact body temperature sensing and warning
Fatma AYDIN AKGUN , Giray SOYTURK, Muhtalip DEDE
DOI: 10.14744/sigma.2022.00070
Abstract
16. Controlled release of metformin-loaded sa/peg scaffolds produced by 3D-printing technology
Sena HARMANCI , Sumeyye CESUR , Oguzhan GUNDUZ , Cem Bulent USTUNDAG
DOI: 10.14744/sigma.2022.00059
Abstract Full Text PDF
17. Sulfate and chloride resistance of bottom ash doped slag-based geopolymer composites
Yurdakul AYGÖRMEZ
DOI: 10.14744/sigma.2021.00060
Abstract Full Text PDF
18. Novel analytical and approximate-analytical methods for solving the nonlinear fractional smoking mathematical model
Hatıra GÜNERHAN , Mohammed K. A. KAABAR , Ercan ÇELİK
DOI: 10.14744/sigma.2021.00073
Abstract Full Text PDF
19. Detection of pneumonia from pediatric chest X-Ray images by transfer learning
Yasin DEMİR , Özkan BİNGÖL
DOI: 10.14744/sigma.2021.00074
Abstract Full Text PDF
20. Discovery of new herbal anthelmintics from artemisia annua l. via in silico molecular docking and in vivo extract application
Dilara KARAMAN , Oya GİRİŞGİN , Ahmet Onur GİRİŞGİN , Hulusi MALYER
DOI: 10.14744/sigma.2021.00075
Abstract Full Text PDF
21. Evaluation of the technical feasibility aspects of the fishing structures: a case study of Izmir coast
Begum Yurdanur DAGLI , Dilay UNCU , Umit GOKKUS
DOI: 10.14744/sigma.2021.00076
Abstract Full Text PDF
22. Recent advances in lithium–ion battery utilization: A mini review
Khandan RoshanaeI , Edip Taşkesen , Mehmet Özkaymak
DOI: 10.14744/sigma.2021.00077
Abstract Full Text PDF
23. 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
Abstract Full Text PDF
24. 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
Abstract Full Text PDF
25. Modeling and analysis of schottky diode bridge and jfet based Liénard Oscillator circuit
Kübra ÇAKIR , Reşat MUTLU
DOI: 10.14744/sigma.2022.00082
Abstract Full Text PDF
26. 1D Fuzzy inverse logic method and its use in the design of thick reinforced concrete columns
Ertekin ÖZTEKİN
DOI: 10.14744/sigma.2022.00083
Abstract Full Text PDF
27. Change in highway transportation-induced carbon footprint of Kayseri province
Fuat ÖZYONAR , Ömür GÖKKUŞ
DOI: 10.14744/sigma.2022.00102 Pages : 860-868
Abstract Full Text PDF
28. Earthquake risk prioritization via two-step cluster analysis and swara-electre methods
Ezgi GÜLER , Selen AVCI , Zerrin ALADAĞ
DOI: 10.14744/sigma.2022.00105
Abstract Full Text PDF
29. Effects of different cytoplasmic chaperones on outer membrane solubility in Escherichia coli; rOMP25 modeling
Kubra TRABZONLU , Tulin ARASOGLU
DOI: 10.14744/sigma.2022.00106
Abstract Full Text PDF
30. 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
Abstract Full Text PDF
31. A case study on lean occupational safety
Mesut ULU , Semra BIRGUN
DOI: 10.14744/sigma.2022.00108
Abstract Full Text PDF
32. Investigation of carbonate addition on essential element concentrations in various teas
Tugce YALCIN , Deniz UYGUNOZ , Azmi Seyhun KIPCAK , Emek MOROYDOR DERUN
DOI: 10.14744/sigma.2022.00109
Abstract Full Text PDF
33. Infrared and microwave drying methods on the rehydration behaviour and mass transfer diffusion coefficient of Loligo Vulgaris
Zehra Ozden OZYALCİN , Azmi Seyhun KIPCAK
DOI: 10.14744/sigma.2022.00110
Abstract Full Text PDF
34. Photocatalytic degradation of diclofenac (an emerging contaminant): Effects of photocatalyst amount and air flow rate
Dilek DURANOGLU , Mustafa Anıl OZ , Aslı BILALOGLU
DOI: 10.14744/sigma.2023.00021
Abstract Full Text PDF
35. A new application of fractional glucose-insulin model and numerical solutions
Zafer OZTURK , Halis BILGIL , Sezer SORGUN
DOI: 10.14744/sigma.2023.00022
Abstract Full Text PDF
36. A research on mathematical model approaches in biomass supply chain
Betül MUTLU , Bahar OZYORUK
DOI: 10.14744/sigma.2023.00023
Abstract Full Text PDF
37. Synthesis of Silica Xeorogel@Mg-Al layered double hydroxide composite for CO2 capture
Dicle EREN , Muge SARI YILMAZ
DOI: 10.14744/sigma.2023.00024
Abstract Full Text PDF
38. Theoretical and practical analysis of parallel operating conditions of two transformers with different relative short circuit voltages
Burak Bugra KUCUKKAYA , Nihat PAMUK
DOI: 10.14744/sigma.2023.00025
Abstract Full Text PDF
39. Investigation of stability and activity of quaternized zinc phthalocyanine photosensitizer with fused extended conjugation in vitro conditions
Yesim KARAHAN , Gulsah GUMRUKCU KOSE , Gulnur KESER KARAOGLAN , Dolunay SAKAR
DOI: 10.14744/sigma.2023.00026
Abstract Full Text PDF
40. A systematic comparative study of popular biomimetic intelligence techniques
Shivani , Satinder Bal GUPTA
DOI: 10.14744/sigma.2023.00027
Abstract Full Text PDF
41. Modeling open vehicle routing problem with real life costs and solving via hybrid civilized genetic algorithm
Erhan TONBUL, Melis ALPASLAN TAKAN , Gamze TUNA BÜYÜKKÖSE , Nihal ERGİNEL
DOI: 10.14744/sigma.2023.00028
Abstract Full Text PDF
42. Quasi subordinations for bi-univalent functions with symmetric conjugate points
Fethiye Müge SAKAR , Melike AYDOGAN , Zeliha KARAHUSEYIN
DOI: 10.14744/sigma.2023.00030
Abstract Full Text PDF
43. Calculation of buckling loads of ipe-section bending members based on optimization of analytical formulation
Ahmet OZBAYRAK , Mohammed Kamal ALI , Hatice CITAKOGLU
DOI: 10.14744/sigma.2023.00031
Abstract Full Text PDF
44. The effect of photobioreactor height/diameter ratio on Chlorella Variabilis microalgae growth and oil production efficiency
Necla ALTIN , Başar UYAR
DOI: 10.14744/sigma.2023.00032
Abstract Full Text PDF
45. A new improvement technique for expansive soils
Ilyas OZKAN , Erdal COKCA
DOI: 10.14744/sigma.2023.00033
Abstract Full Text PDF
46. An exploratory study on the critical features of construction project planning software
Ozan OKUDAN , Zeynep IŞIK , Murat ÇEVİKBAŞ
DOI: 10.14744/sigma.2023.00046
Abstract Full Text PDF
47. Determination of the breast cancer tumor diameter using a UWB microwave antenna system
Çetin KURNAZ , Fawzy ALSHARIF , Adnan Ahmad CHEEMA
DOI: 10.14744/sigma.2023.00047
Abstract Full Text PDF
48. Higher order theory based analysis of laminated composite plates using functions trigonometric and trigonometric-hyperbolic
Bouziane BESSAIH , Abdelkader LOUSDAD , Abdelaziz LAIREDJ , Abdelmalek ABDELMALEK
DOI: 10.14744/sigma.2023.00048
Abstract Full Text PDF
49. New moving frames for the curves lying on a surface
Akın ALKAN , Hüseyin KOCAYİGİT , Tuba AGIRMAN AYDIN
DOI: 10.14744/sigma.2023.00049
Abstract Full Text PDF
50. Comparison of speed control techniques in field oriented control of permanent magnet synchronous motor: Lyapunov approach
Ahmet İlkkan AÇIKGÖZ , İbrahim ALIŞKAN
DOI: 10.14744/sigma.2023.00067
Abstract Full Text PDF
51. Provide a model for acquisition and recording of organizational lessons learned in the framework of the knowledge handbook with emphasis on effective components
Mohammadreza ZAHEDI , Shayan NAGHDI KHANACHAH
DOI: 10.14744/sigma.2023.00068
Abstract Full Text PDF
52. Analysis of Grover’s quantum search algorithm on a classical computer: Identifying opportunities for improvement
Necati ÇELİK , Özkan BİNGÖL
DOI: 10.14744/sigma.2023.00069
Abstract Full Text PDF
53. Characterization of sol-gel derived NiO thin films: Effect of post-heat treatment
Djanette MERIEM BLIZAK , Drifa BRINIS
DOI: 10.14744/sigma.2023.00070
Abstract Full Text PDF
54. An overview on current trends and future outlook of hydrogels in drug delivery
Esma HAMIDI , Roua ALHALOUSH , Şebnem ŞENOL , Emel AKYOL
DOI: 10.14744/sigma.2023.00071
Abstract Full Text PDF
55. Variation of NPY and AGRP MRNA expression in Syrian hamsters according to feeding times
Pınar İNAN , Bülent GÜNDÜZ
DOI: 10.14744/sigma.2023.00072
Abstract Full Text PDF
56. Approximate solutions of the fractional harry DYM equation
Sevil ÇULHA ÜNAL
DOI: 10.14744/sigma.2023.00073
Abstract Full Text PDF
57. Vector autoregressive clustering for redundancy analysis in air pollution monitorıng networks at Türkiye
Aytaç PEKMEZCİ , Muhammet Oğuzhan YALÇIN
DOI: 10.14744/sigma.2023.00074
Abstract Full Text PDF
58. Seismic performance evaluation of eccentrically braced steel frame buildings
Nabeel Ahmed KHAN , Ahmed BILAL
DOI: 10.14744/sigma.2023.00075
Abstract Full Text PDF
59. Comparison of feature-based sentence ranking methods for extractive summarization of Turkish news texts
Ertürk ERDAĞI , Volkan TUNALI
DOI: 10.14744/sigma.2023.00076
Abstract Full Text PDF
60. Enhancing road safety through blackspots mitigative measures - a review
Prasad MANOJ , Kotagi B PUNITH , Kerekoppa Chandrashekar MANJUNATH
DOI: 10.14744/sigma.2023.00077
Abstract Full Text PDF
61. Machine learning classification models for the patients who have heart failure
Şevval Tuğçe BADİK , Mutlu AKAR
DOI: 10.14744/sigma.2023.00095
Abstract Full Text PDF
62. Two-stage clustering and routing problem by using FCM and K-means with Genetic Algorithm
Ebru PEKEL ÖZMEN , Tarık KÜÇÜKDENİZ
DOI: 10.14744/sigma.2023.00096
Abstract Full Text PDF
63. 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
64. Fractional derivative analysis of Asthma with the effect of environmental factors
Rashid JAN , M. S. ZOBAER , Şuayip YÜZBAŞI , Attaullah , Muhammad JAWAD , Asif JAN
DOI: 10.14744/sigma.2023.00098
Abstract Full Text PDF
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