Volume: 42, Issue: 1 (30 Articles)
Research Article
Title: AN AMALGAMATION OF CRISP AND FUZZY QUANTILE REGRESSION MODEL
Authors: Saima MUSTAFA, Hina BASHARAT, Ali AKGÜL, Mohsin SHAHZAD, Abdelhamied Farrag SAYED
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:1-10
DOI: 10.14744/sigma.2024.00001
Viewed: (38) times
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Research Article
Title: A NEW CLASSIFICATION-BASED APPROACH FOR MULTI-FOCUS IMAGE FUSION
Authors: Samet AYMAZ, Şeyma AYMAZ, Cemal KÖSE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:11-25
DOI: 10.14744/sigma.2022.00069
Viewed: (37) times
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Research Article
Title: COMPARISON OF SEVERAL ANTHROPOMETRIC MEASUREMENTS AND BLOOD LIPID‑RELATED INDEXES IN METABOLIC-DYSFUNCTION ASSOCIATED FATTY LIVER DISEASE IN ADULTS: A CROSS-SECTIONAL STUDY
Authors: Hatice Merve BAYRAM, Raim İLİAZ, Arda ÖZTÜRKCAN, Bagnu DÜNDAR, Fatma Esra GÜNEŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:26-36
DOI: 10.14744/sigma.2024.00002
Viewed: (30) times
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Research Article
Title: CHARACTERIZATIONS OF TZITZEICA CURVES USING FLC FRAME
Authors: Süleyman ŞENYURT, Kemal EREN, Kebire Hilal AYVACI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:37-41
DOI: 10.14744/sigma.2024.00005
Viewed: (41) times
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Research Article
Title: PHENOLIC COMPOSITION, TOTAL ANTIOXIDANT, ANTIRADICAL AND ANTIMICROBIAL POTENTIAL OF ENDEMIC GLAUCIUM ALAKIRENSIS
Authors: Aysen ÖZCANDIR, Falah Saleh MOHAMMED, Mustafa SEVİNDİK, Candan AYKURT, Zeliha SELAMOĞLU, Hasan AKGÜL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:42-48
DOI: 10.14744/sigma.2024.00006
Viewed: (33) times
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Research Article
Title: EFFECT OF GRAPHENE ON THE CREEP AND STRESS RELAXATION BEHAVIORS OF EPOXY-NANOCOMPOSITE IN VISCOPLASTIC DEFORMATION REGIME
Authors: Okan BAKBAK, Özgen ÇOLAK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:49-56
DOI: 10.14744/sigma.2024.00007
Viewed: (29) times
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Research Article
Title: QUASI SUBORDINATIONS FOR BI-UNIVALENT FUNCTIONS WITH SYMMETRICCONJUGATE POINTS
Authors: Fethiye Müge SAKAR, Melike AYDOĞAN, Zeliha KARAHÜSEYİN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:57-62
DOI: 10.14744/sigma.2023.00030
Viewed: (37) times
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Research Article
Title: INVESTIGATION OF FRICTION BEHAVIOR OF TiO2: AL2O3 COMPOSITE COATING FORMED ON AA2024 ALLOY BY MICRO-ARC OXIDATION
Authors: Emine BOYNUEĞRİ KAPLAN, Ebru Emine ŞÜKÜROĞLU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:63-69
DOI: 10.14744/sigma.2024.00008
Viewed: (36) times
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Research Article
Title: LYS SEMI-SUPPORTED PLATE AS A DUCTILE END-DIAPHRAGM IN STEEL GIRDER BRIDGES
Authors: Morteza JAMSHIDI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:70-81
DOI: 10.14744/sigma.2024.00009
Viewed: (34) times
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Research Article
Title: DISJOINT MAXIMAL ARCS IN PROJECTIVE PLANES OF ORDER 16
Authors: Mustafa GEZEK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:82-88
DOI: 10.14744/sigma.2024.00010
Viewed: (34) times
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Research Article
Title: EVALUATING THE CAMPUS CLIMATE FACTORS USING AN INTERVAL TYPE-2 FUZZY ANP
Authors: Kemal Gökhan NALBANT, Şahika ÖZDEMİR, Yavuz ÖZDEMİR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:89-98
DOI: 10.14744/sigma.2024.00011
Viewed: (50) times
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Research Article
Title: COMPARATIVE ANALYSIS ON REAL-TIME HAND GESTURE AND SIGN LANGUAGE RECOGNITION USING CONVEXITY DEFECTS AND YOLOV3
Authors: Md KHALİLUZZAMAN, Khadijatul KOBRA, Shabnaj LİAQAT, Shahidul Islam KHAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:99-115
DOI: 10.14744/sigma.2024.00012
Viewed: (54) times
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Research Article
Title: ANTIOXIDANT AND ANTIMICROBIAL POTENTIALS OF FUNCTIONAL FOOD ARUM DIOSCORIDIS
Authors: Mansur Seymen SEĞMENOĞLU, Mustafa SEVİNDİK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:116-120
DOI: 10.14744/sigma.2024.00013
Viewed: (44) times
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Research Article
Title: FINITE ELEMENT CONTACT ANALYSIS OF THE HOLLOW CYLINDRICAL ROLLER BEARINGS
Authors: Ramazan BAYRAK, Ahmet SAĞIRLI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:121-129
DOI: 10.14744/sigma.2023.00128
Viewed: (47) times
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Research Article
Title: ANALYSIS OF NETWORK USEFUL LIFE AND COST-BENEFITS FOR SUSTAINABLE WATER MANAGEMENT
Authors: Salih YILMAZ, Mahmut FIRAT, Abdullah ATEŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:130-140
DOI: 10.14744/sigma.2024.00014
Viewed: (49) times
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Research Article
Title: RELIABILITY ANALYSIS OF SHEAR STRENGTH EQUATIONS OF RC BEAMS
Authors: Sema ALACALI, Güray ARSLAN, Aydoğan İBİŞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:141-152
DOI: 10.14744/sigma.2024.00015
Viewed: (231) times
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Research Article
Title: INVESTIGATION OF THE EFFECT OF POLYVINYLE ALCOHOL FIBERS ON MECHANICAL PROPERTIES OF THE HIGH-STRENGTH CONCRETE CONTAINING MICROSILICA
Authors: Hadi FAGHIHMALEKI, Hamidreza RASTKAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:153-163
DOI: 10.14744/sigma.2024.00016
Viewed: (272) times
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Research Article
Title: A SINGLE-PHASE SOLID-STATE FAULT CURRENT LIMITER: SIMULATION AND EXPERIMENTAL STUDY
Authors: Baris KUCUKAYDIN, Evren ISEN, Oktay ARIKAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:164-176
DOI: 10.14744/sigma.2024.00017
Viewed: (258) times
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Research Article
Title: FRACTIONAL DERIVATIVE ANALYSIS OF ASTHMA WITH THE EFFECT OF ENVIRONMENTAL FACTORS
Authors: Rashid JAN, M. S. ZOBAER, Şuayip YÜZBAŞI, Attaullah, Muhammad JAWAD, Asif JAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:177-188
DOI: 10.14744/sigma.2023.00098
Viewed: (246) times
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Research Article
Title: XEROGEL OF FAST KINETICS AND HIGH ADSORPTION CAPACITY FOR CATIONIC DYE REMOVAL
Authors: Deniz SEZGİN, Müge Sarı YILMAZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:189-197
DOI: 10.14744/sigma.2022.00019
Viewed: (250) times
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Research Article
Title: DISCOVERY OF NEW HERBAL ANTHELMINTICS FROM ARTEMISIA ANNUA L. VIA IN SILICO MOLECULAR DOCKING AND IN VIVO EXTRACT APPLICATION
Authors: Dilara KARAMAN, Oya GİRİŞGİN, Ahmet Onur GİRİŞGİN, Hulusi MALYER
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:198-210
DOI: 10.14744/sigma.2021.00075
Viewed: (270) times
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Research Article
Title: PREDICTION OF INELASTIC DISPLACEMENT RATIOS FOR EVALUATION OF DEGRADING SDOF SYSTEMS: A COMPARISON OF THE SCALED CONJUGATE GRADIENT AND BAYESIAN REGULARIZED ARTIFICIAL NEURAL NETWORK MODELING
Authors: Muzaffer BÖREKÇİ, Burak AYDOĞAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:211-224
DOI: 10.14744/sigma.2024.00018
Viewed: (274) times
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Research Article
Title: NEW EXACT SOLUTIONS FOR THE BOITI-LEON-MANNA-PEMPINELLI EQUATION
Authors: Rasime Kübra YILMAZ, Durmuş DAĞHAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:225-234
DOI: 10.14744/sigma.2024.00019
Viewed: (250) times
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Research Article
Title: MACHINE LEARNING CLASSIFICATION MODELS FOR THE PATIENTS WHO HAVE HEART FAILURE
Authors: Şevval Tuğçe BADİK, Mutlu AKAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:235-244
DOI: 10.14744/sigma.2023.00095
Viewed: (271) times
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Research Article
Title: SOLUTIONS OF LINEAR FREDHOLM INTEGRAL EQUATIONS WITH THE THREE-STEP ITERATION METHOD
Authors: Lale CONA, Kadir ŞENGÜL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:245-251
DOI: 10.14744/sigma.2024.00020
Viewed: (262) times
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Research Article
Title: PRE-COAGULATED LANDFILL LEACHATE TREATMENT BY SYNERGISTIC ULTRAVIOLET AND ELECTRO-PERSULFATE PROCESS
Authors: Emine CAN GÜVEN, Senem YAZICI GÜVENÇ, Gamze VARANK, Ahmet DEMİR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:252-259
DOI: 10.14744/sigma.2024.00021
Viewed: (270) times
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Research Article
Title: PRICING FOR LONGEVITY RISK IN LONG-TERM CARE INSURANCE
Authors: Çiğdem LAZOĞLU, Murat BÜYÜKYAZICI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:260-272
DOI: 10.14744/sigma.2023.00149
Viewed: (281) times
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Review Article
Title: MICROBIAL FUEL CELLS IN ELECTRICITY GENERATION WITH WASTE TREATMENT: ALTERNATIVE ELECTRON ACCEPTORS
Authors: Elif DURNA PİŞKİN, Nevim GENÇ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:273-288
DOI: 10.14744/sigma.2024.00022
Viewed: (254) times
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Review Article
Title: GRAPHENE-BASED MATERIALS FOR BONE TISSUE ENGINEERING
Authors: Büşra OKTAY, Esma AHLATCIOĞLU ÖZEROL, Cem Bülent ÜSTÜNDAĞ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:289-305
DOI: 10.14744/sigma.2022.00024
Viewed: (293) times
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Technical Note
Title: EVALUATION AND COMPOSITION OF LIGNIN CONTENT TO ENABLE THE PRODUCTION OF LIGNOCELLULOSIC BIOMASS PRETREATMENT INTO SUSTAINABLE BIOFUEL: A REVIEW
Authors: Mohammad SIDDIQUE, Suhail Ahmed SOOMRO, Shahen AZIZ, Luqman Ali KHAN, Kamran KHAN, Namatullah JAFFAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2024, Volume: 42, Issue: 1, (FEB 2024), pp:306-311
DOI: 10.14744/sigma.2024.00024
Viewed: (411) times
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