ISSN: 1304-7191 | E-ISSN: 1304-7205
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Volume: 42 Issue: 1 Year: 2024
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Volume: 40 Issue: 1 - March 2022

Front Matter

1. Frontmatter
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Research Article

2. Evaluation of the performance of moment resisting steel frames under near field and far field earthquakes based on energy conception
Hadi FAGHIHMALEKI , Mohammad SAYADI
DOI: 10.14744/sigma.2022.00001 Pages : 1-8
Abstract Full Text PDF
3. Bayesian estimation for topp-leone distribution using progressively censored data and asymmetric loss functions
İlhan USTA
DOI: 10.14744/sigma.2022.00002 Pages : 9-26
Abstract Full Text PDF
4. Image processing based package volume measurement system using kinect sensor
Hasan OCAK , Gürkan KÜÇÜKYILDIZ , Suat KARAKAYA
DOI: 10.14744/sigma.2022.00003 Pages : 27-44
Abstract Full Text PDF
5. Comparison of post and iris substrate integrated waveguide band-pass filters for X-Band applications
Hammam BANDAR , Nurhan TÜRKER TOKAN
DOI: 10.14744/sigma.2022.00004 Pages : 45-56
Abstract Full Text PDF
6. Studies on miscibility of polyetherimide/polystyrene blends
Birol IŞIK , Fatih ÇAKAR , Özlem CANKURTARAN
DOI: 10.14744/sigma.2022.00005 Pages : 57-62
Abstract Full Text PDF
7. Comparative solution approach with quadratic and genetic programming to multi-objective healthcare facility location problem
Bahadır GÜLSÜN , Pınar MİÇ , Mert EDALI
DOI: 10.14744/sigma.2022.00006 Pages : 63-78
Abstract Full Text PDF
8. Genocchi polynomial method for the multiterm variable-order fractional differential equations
Sadiye Nergis TURAL POLAT , Arzu TURAN DINCEL
DOI: 10.14744/sigma.2021.00032 Pages : 79-84
Abstract Full Text PDF
9. The machine learning approach for predicting the number of intensive care, intubated patients and death: The COVID-19 pandemic in Turkey
Pınar CİHAN
DOI: 10.14744/sigma.2022.00007 Pages : 85-94
Abstract Full Text PDF
10. Investigation of the machining performance of ferritic ductile cast iron in WEDM using response surface methodology
Kutay AYDIN , Levent UĞUR , Salih GÜVERCİN , Ferhat GÜL
DOI: 10.14744/sigma.2022.00008 Pages : 95-107
Abstract Full Text PDF
11. Optimization of drones communication by using meta-heuristic optimization algorithms
A. F. M. Shahen SHAH , Muhammet Ali KARABULUT
DOI: 10.14744/sigma.2022.00009 Pages : 108-117
Abstract Full Text PDF
12. Waste sludge disintegration and bound water reduction by chemical oxidation: A comparative study
Hanife SARI ERKAN
DOI: 10.14744/sigma.2022.00010 Pages : 118-131
Abstract Full Text PDF
13. Green synthesis of BT-Fe3O4 nanocomposite using Camellia sinensis leaves extract: Characterization, NPEO adsorption experiments, isotherms, and kinetics
Pınar BELİBAĞLI , Yağmur UYSAL
DOI: 10.14744/sigma.2022.00011 Pages : 132-143
Abstract Full Text PDF
14. A weather-based forecasting system for the solar power plants in the Konya region
Cankat YAVUZ , Ahmet Reha BOTSALI
DOI: 10.14744/sigma.2022.00012 Pages : 144-149
Abstract Full Text PDF
15. A sine-cosine wavelet method for the approximation solutions of the fractional Bagley-Torvik equation
Arzu TURAN DİNCEL
DOI: 10.14744/sigma.2021.00033 Pages : 150-154
Abstract Full Text PDF
16. Strength and abrasion performance of recycled aggregate based geopolymer concrete
Asfaw Mekonnen LAKEW , Mukhallad M. AL-MASHHADANI , Orhan CANPOLAT
DOI: 10.14744/sigma.2021.00021 Pages : 155-161
Abstract Full Text PDF
17. A New Nonlinear Hybrid Technique with fixed and adaptive step-size approaches
Amanullah SOOMRO , Sania QURESHI , Asif Ali SHAIKH
DOI: 10.14744/sigma.2022.00013 Pages : 162-178
Abstract Full Text PDF
18. A comprehensive survey of dual-generalized complex Fibonacci and Lucas numbers
Nurten GÜRSES , Gülsüm Yeliz ŞENTÜRK , Salim YÜCE
DOI: 10.14744/sigma.2022.00014 Pages : 179-187
Abstract Full Text PDF
19. A new method for conversion between pythagorean fuzzy sets and intuitionistic fuzzy sets
Gürkan IŞIK
DOI: 10.14744/sigma.2022.00015 Pages : 188-195
Abstract Full Text PDF
20. Modeling and analysis of effective factors in the outsourcing of R&D projects by SEM and ISM approaches: A case study of "Iranian aviation industries organization"
Ghasem TAGHIZADEH , Hassan TORABI , Morteza RAJABZADEH
DOI: 10.14744/sigma.2022.00016 Pages : 196-207
Abstract Full Text PDF
21. Important factors affecting the transmission rate of COVID-19 in G20 and EU
Ozan KOCADAĞLI , Ali Mertcan KÖSE , Neslihan GÖKMEN INAN , Ezgi ÖZER , Aylin YAMAN KOCADAĞLI , Ecem BOSTANCI
DOI: 10.14744/sigma.2022.00017 Pages : 208-218
Abstract Full Text PDF
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