Volume: 40, Issue: 4 (20 Articles)
Research Article
Title: EFFECTS OF ACCELERATOR TYPE AND DOSAGE ON THE MECHANICAL AND DURABILITY PROPERTIES OF RAPID-SETTING PRECAST CONCRETE
Authors: Mustafa Tolga ÇÖĞÜRCÜ, Mehmet UZUN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:685-694
DOI: 10.14744/sigma.2022.00084
Viewed: (305) times
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Research Article
Title: MODELING OF COPPER REMOVAL FROM AQUEOUS SOLUTIONS BY USING CARBON-BASED ADSORBENTS DERIVED FROM HAZELNUT AND WALNUT SHELLS BY ARTIFICIAL NEURAL NETWORK
Authors: Nihan KAYA, Fatma ERDEM
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:695-704
DOI: 10.14744/sigma.2022.00085
Viewed: (243) times
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Research Article
Title: INVESTIGATION OF THE EFFECT OF CURRENT DENSITY AND PH ON OIL AND GREASE REMOVAL FROM LEATHER INDUSTRY WASTEWATERS BY ELECTROCOAGULATION METHOD
Authors: Züleyha BİNGÜL REÇBER, Fatma EKMEKYAPAR TORUN, Sinan KUL, Şahset İRDEMEZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:705-714
DOI: 10.14744/sigma.2022.00086
Viewed: (262) times
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Research Article
Title: USING THE INFRASTRUCTURE LEAKAGE INDEX (ILI) INDICATOR FOR EFFECTIVE AND SUSTAINABLE LEAKAGE MANAGEMENT: IMPORTANCE, ADVANTAGES AND CHALLENGES
Authors: Salih YILMAZ, Mahmut FIRAT, Özgür ÖZDEMİR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:715-723
DOI: 10.14744/sigma.2022.00087
Viewed: (402) times
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Research Article
Title: APPLICABILITY OF RADIAL-BASED ARTIFICIAL NEURAL NETWORKS (RBNN) ON COLIFORM CALCULATION: A CASE OF STUDY
Authors: Bilge AYDIN ER, Aziz ŞİŞMAN, Yüksel ARDALI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:724-731
DOI: 10.14744/sigma.2022.00088
Viewed: (300) times
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Research Article
Title: DILEMMAS BETWEEN BARLEY CULTIVARS UNDER SALINITY STRESS
Authors: Elif KARLIK, Nermin GÖZÜKIRMIZI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:732-741
DOI: 10.14744/sigma.2022.00089
Viewed: (440) times
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Research Article
Title: TAGUCHI BASED GRA - PCA HYBRID OPTIMIZATION FOR THE FORMING OF AL6061 ALLOY IN AUTOMOTIVE APPLICATIONS
Authors: Dhulipalla SWAPNA, Chalamalasetti SRINIVASA RAO, Devarakonda SAMEER KUMAR, Sajja RADHIKA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:742-754
DOI: 10.14744/sigma.2022.00090
Viewed: (558) times
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Research Article
Title: EFFECT OF LARGE DEFLECTION ON LAMINATED COMPOSITE PLATES
Authors: Can GÖNENLİ, Hasan ÖZTÜRK, Oğuzhan DAŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:772-786
DOI: 10.14744/sigma.2022.00093
Viewed: (425) times
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Research Article
Title: SHEAR RESPONSE AND FRICTIONAL PROPERTIES OF SOIL MIXTURES AT DIFFERENT DRY WEIGHT PROPORTIONS
Authors: Tanay KARADEMIR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:787-796
DOI: 10.14744/sigma.2022.00094
Viewed: (377) times
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Research Article
Title: TREATMENT OF DAIRY INDUSTRY WASTEWATER BY VARIATIONS OF COAGULATION-FLOCCULATION AND OZONATION
Authors: Elçin GÜNEŞ, Yalçın GÜNEŞ, Asude HANEDAR, Gül KAYKIOĞLU, Aslı ÇELİK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:755-761
DOI: 10.14744/sigma.2022.00091
Viewed: (433) times
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Research Article
Title: ENVIRONMENTAL MONITORING OF PESTICIDE RESIDUES IN SURFACE WATERS OF BUYUK MENDERES RIVER
Authors: Meltem KAÇIKOÇ, Mehmet CENSUR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:762-771
DOI: 10.14744/sigma.2022.00092
Viewed: (382) times
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Research Article
Title: SMART PHONE ASSISTED PAPER-BASED BIOSENSOR SYSTEM FOR HYPOXANTHINE DETECTION IN FISH MEAT SAMPLES
Authors: Nimet YILDIRIM TİRGİL, Bülent ÖZCAN, Muhammed Ali BELİBAĞLI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:797-805
DOI: 10.14744/sigma.2022.00095
Viewed: (409) times
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Research Article
Title: GENERALIZED PYTHAGOREAN FUZZY SETS AND NEW DECISION-MAKING METHOD
Authors: Murat KİRİŞÇİ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:806-813
DOI: 10.14744/sigma.2022.00096
Viewed: (398) times
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Research Article
Title: THE EFFECT ON THERMAL EFFICIENCY OF THE HEIGHT OF A RADIATOR ABOVE THE FLOOR
Authors: Ali KİBAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:814-821
DOI: 10.14744/sigma.2022.00097
Viewed: (454) times
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Research Article
Title: DESIGN AND DEVELOPMENT OF A BALL-SCREW AND ELECTRICAL MOTOR DRIVEN INDUSTRIAL ELECTROMECHANICAL CYLINDER
Authors: Mohammad Javad FOTUHI, Cenk KARAMAN , Zafer BİNGÜL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:822-830
DOI: 10.14744/sigma.2022.00098
Viewed: (675) times
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Research Article
Title: VIRTUAL TESTING OF ALUMINUM AND NOMEX® HONEYCOMB CORE STRUCTURES USING LS-DYNA AND PYTHON/SEABORN
Authors: Alparslan SOLAK, Birgül AŞÇIOĞLU TEMIZTAŞ, Berna BOLAT
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:831-844
DOI: 10.14744/sigma.2022.00099
Viewed: (659) times
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Research Article
Title: A THEORETICAL EVALUATION ON RADIATION SHIELDING FEATURES OF VAN-ERCIŞ AND RIZE-IKIZDERE (TURKEY) OBSIDIANS BY USING PHY-X/PSD CODE
Authors: Zeynep AYGUN, Murat AYGUN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:845-854
DOI: 10.14744/sigma.2022.00100
Viewed: (571) times
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Research Article
Title: SELF ADAPTIVE PENALTY METHOD COUPLED WITH METAHEURISTIC ALGORITHMS TO OPTIMIZATION OF VARYING GEOMETRICAL PARAMETERS IN DRILLING FOR MULTI HOLE PARTS
Authors: Reddy SREENIVASULU, Goteti CHAITANYA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:855-867
DOI: 10.14744/sigma.2022.00101
Viewed: (482) times
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Research Article
Title: CHANGE IN HIGHWAY TRANSPORTATION-INDUCED CARBON FOOTPRINT OF KAYSERI PROVINCE
Authors: Fuat ÖZYONAR, Ömür GÖKKUŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:868-876
DOI: 10.14744/sigma.2022.00102
Viewed: (609) times
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Research Article
Title: BLEVE RISK EFFECT ESTIMATION USING THE LEVENBERG-MARQUARDT ALGORITHM IN AN ARTIFICIAL NEURAL NETWORK MODEL
Authors: Tolga BARIŞIK, Ali Fuat GÜNERİ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: December, Year: 2022, Volume: 40, Issue: 4, (DEC 2022), pp:877-893
DOI: 10.14744/sigma.2022.00103
Viewed: (753) times
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