Volume: 42, Issue: 4 (30 Articles)
Research Article
Title: LEADERS OF CHANGE: CHILDREN AND THE CLIMATE CHANGE MOVEMENT
Authors: Beyza KARACAOĞLU, Mehmet Fatih AKBABA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:957-964
DOI: 10.14744/sigma.2024.00082
Viewed: (198) times
Abstract | Full Text| PDF
Research Article
Title: INVESTIGATION OF THE CYTOTOXIC EFFECTS OF JUGLONE ON C6 GLIOMA CELL LINE
Authors: Ekin BEKTAŞ, Mine KUÇAK, Firuze ÜNLÜ BEKTAŞ, Tolga ÖNTÜRK, Muhammed Hamza MÜSLÜMANOĞLU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:965-972
DOI: 10.14744/sigma.2023.00146
Viewed: (183) times
Abstract | Full Text| PDF
Research Article
Title: CALCULATION OF BUCKLING LOADS OF IPE-SECTION BENDING MEMBERS BASED ON OPTIMIZATION OF ANALYTICAL FORMULATIONS
Authors: Ahmet ÖZBAYRAK, Mohammed Kamal ALI, Hatice ÇITAKOĞLU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:973-987
DOI: 10.14744/sigma.2023.00031
Viewed: (193) times
Abstract | Full Text| PDF
Research Article
Title: AUTOMATIC UNIT TEST GENERATOR SOFTWARE BY COLLECTING RUN-TIME DATA
Authors: Sevdanur GENÇ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:988-1008
DOI: 10.14744/sigma.2024.00084
Viewed: (174) times
Abstract | Full Text| PDF
Research Article
Title: CHARACTERIZATION OF SOL-GEL DERIVED NiO THIN FILMS: EFFECT OF POST-HEAT TREATMENT
Authors: Djanette BLIZAK MERIEM, Drifa BRINIS
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1009-1015
DOI: 10.14744/sigma.2023.00070
Viewed: (211) times
Abstract | Full Text| PDF
Research Article
Title: THE EFFECT OF ALTERNATIVE MEASUREMENT AND EVALUATION TECHNIQUES ON SAFETY PERFORMANCE IN EMPLOYEE TRAINING
Authors: Orkun DALYAN, Hatice DALYAN, Mehmet PİŞKİN, Ömer Faruk ÖZTÜRK, Erdal CANPOLAT
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1016-1022
DOI: 10.14744/sigma.2024.00056
Viewed: (176) times
Abstract | Full Text| PDF
Research Article
Title: NEW MOVING FRAMES FOR THE CURVES LYING ON A SURFACE
Authors: Akın ALKAN, Hüseyin KOCAYİĞİT, Tuba AĞIRMAN AYDIN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1023-1029
DOI: 10.14744/sigma.2023.00049
Viewed: (191) times
Abstract | Full Text| PDF
Research Article
Title: TWO-STAGE CLUSTERING AND ROUTING PROBLEM BY USING FCM AND K-MEANS WITH GENETIC ALGORITHM
Authors: Ebru PEKEL ÖZMEN, Tarık KÜÇÜKDENİZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1030-1038
DOI: 10.14744/sigma.2023.00096
Viewed: (168) times
Abstract | Full Text| PDF
Research Article
Title: ANALYSIS OF GROVER’S QUANTUM SEARCH ALGORITHM ON A CLASSICAL COMPUTER: IDENTIFYING OPPORTUNITIES FOR IMPROVEMENT
Authors: Necati ÇELİK, Özkan BİNGÖL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1039-1049
DOI: 10.14744/sigma.2023.00069
Viewed: (148) times
Abstract | Full Text| PDF
Research Article
Title: OPERATIONAL MATRIX FOR MULTI-ORDER FRACTIONAL DIFFERENTIAL EQUATIONS WITH HERMITE POLYNOMIALS
Authors: Hatice YALMAN KOSUNALP, Mustafa GULSU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1050-1057
DOI: 10.14744/sigma.2024.00087
Viewed: (188) times
Abstract | Full Text| PDF
Research Article
Title: A NEW IMPROVEMENT TECHNIQUE FOR EXPANSIVE SOILS
Authors: İlyas ÖZKAN, Erdal ÇOKÇA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1058-1066
DOI: 10.14744/sigma.2023.00033
Viewed: (198) times
Abstract | Full Text| PDF
Research Article
Title: EFFECTS OF CEMENTITIOUS INGREDIENTS ON LONG TERM PROPERTIES OF SELF COMPACTING CONCRETE
Authors: Yuvaraj L. BHIRUD, Om V. VAIDYA, Swapnil A. PATARE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1067-1074
DOI: 10.14744/sigma.2024.00088
Viewed: (178) times
Abstract | Full Text| PDF
Research Article
Title: MHD NATURAL CONVECTION IN A SQUARE ENCLOSURE USING CARBON NANOTUBEWATER NANOFLUID WITH TWO ISOTHERMAL FINS
Authors: Mohamed EL HATTAB, Mustapha BOUMHAOUT, Soufiane OUKACH
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1075-1087
DOI: 10.14744/sigma.2024.00089
Viewed: (186) times
Abstract | Full Text| PDF
Research Article
Title: PERFORMANCE ESTIMATION OF PARALLEL SYSTE UNDER ONLINE AND OFFLINE PREVENTIVE MAINTENANCE
Authors: Hamisu Ismail AYAGI, Zhong WAN, Ibrahim YUSUF, Abdullahi SANUSI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1088-1100
DOI: 10.14744/sigma.2024.00090
Viewed: (201) times
Abstract | Full Text| PDF
Research Article
Title: SYNTHESIS OF SILICA XEOROGEL@Mg-Al LAYERED DOUBLE HYDROXIDE COMPOSITE FOR CO2 CAPTURE
Authors: Dicle EREN, Muge SARI YILMAZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1101-1107
DOI: 10.14744/sigma.2023.00024
Viewed: (187) times
Abstract | Full Text| PDF
Research Article
Title: BAYESIAN ESTIMATION OF INVERSE WEIBULL DISTRIBUTION SCALE PARAMETER UNDER THE DIFFERENT LOSS FUNCTIONS
Authors: Esin KÖKSAL BABACAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1108-1115
DOI: 10.14744/sigma.2024.00091
Viewed: (360) times
Abstract | Full Text| PDF
Research Article
Title: RAMD ANALYSIS OF MIXED STANDBY SERIAL MANUFACTURING SYSTEM
Authors: Abdulkarim MUAZU IGGI, Ibrahim YUSUF
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1116-1132
DOI: 10.14744/sigma.2024.00092
Viewed: (337) times
Abstract | Full Text| PDF
Research Article
Title: BLOCKING HARMFUL IMAGES WITH A DEEP LEARNING BASED NEXT GENERATION FIREWALL
Authors: Kenan BAYSAL, Deniz TAŞKIN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1133-1147
DOI: 10.14744/sigma.2024.00093
Viewed: (338) times
Abstract | Full Text| PDF
Research Article
Title: THE EFFECT OF MARBLE WASTE IN THE PRODUCTION OF LOW-TEMPERATURE POROUS MATERIAL FROM ALKALI-ACTIVATED FLY ASH
Authors: Hakan CENGİZLER, Muhterem KOÇ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1148-1159
DOI: 10.14744/sigma.2023.00122
Viewed: (369) times
Abstract | Full Text| PDF
Research Article
Title: COGNITIVE ACTIVITY DETECTION AND TRACING SYSTEM
Authors: Onur YILDIRIM, Çağla KANDEMIR, Emre KARDAŞLAR, Emre SÜMER
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1160-1168
DOI: 10.14744/sigma.2024.00094.
Viewed: (331) times
Abstract | Full Text| PDF
Research Article
Title: PERFORMANCE ESTIMATION OF HONEYNET SYSTEM FOR NETWORK SECURITY ENHANCEMENT VIA COPULA LINGUISTIC
Authors: Muhammad SALIHU ISA, Jinbiao WU, Ibrahim YUSUF
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1169-1182
DOI: 10.14744/sigma.2024.00095
Viewed: (380) times
Abstract | Full Text| PDF
Research Article
Title: MODELING ASYMMETRICALLY DEPENDENT AUTOMOBILE BODILY INJURY CLAIM DATA USING KHOUDRAJI COPULAS
Authors: Emel KIZILOK KARA, Sibel AÇIK KEMALOĞLU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1183-1193
DOI: 10.14744/sigma.2023.00133
Viewed: (311) times
Abstract | Full Text| PDF
Research Article
Title: THE EFFECT OF PHOTOBIOREACTOR HEIGHT/DIAMETER RATIO ON CHLORELLA VARIABILIS MICROALGAE GROWTH AND OIL PRODUCTION EFFICIENCY
Authors: Necla ALTIN, Başar UYAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1194-1201
DOI: 10.14744/sigma.2023.00032
Viewed: (348) times
Abstract | Full Text| PDF
Research Article
Title: OPTIMIZATION OF ULTRASOUND-ASSISTED EXTRACTION OF PROTEIN FROM THE BYPRODUCT OF THE HAZELNUT OIL INDUSTRY USING REVERSE MICELLES
Authors: Elif Meltem İŞÇİMEN, Mehmet HAYTA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1202-1213
DOI: 10.14744/sigma.2024.00027
Viewed: (344) times
Abstract | Full Text| PDF
Research Article
Title: RELIABILITY ESTIMATION OF A FAULT COVERAGE DISTRIBUTED SYSTEM WITH REPLACEMENT OPTIONS UNDER FOUR DIFFERENT SCENARIOS
Authors: Jinbiao WU, Muhammad SALIHU ISA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1214-1238
DOI: 10.14744/sigma.2024.00097
Viewed: (346) times
Abstract | Full Text| PDF
Research Article
Title: SOLVING DIFFERENCE EQUATIONS USING FOURIER TRANSFORM METHOD
Authors: Sunnet AVEZOV, Ahmad ISSA, Murat DÜZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1239-1244
DOI: 10.14744/sigma.2024.00098
Viewed: (490) times
Abstract | Full Text| PDF
Research Article
Title: EVALUATION OF ENERGY CONSUMPTION AND NOISE REDUCTION CHANGE OF A STRENGTHENED BUILDING: AN EDUCATIONAL BUILDING CASE
Authors: Seda YÜKSEL DİCLE, Fatma ZOROĞLU, Ahmet Bircan ATMACA, Neşe YÜĞRÜK AKDAĞ, Gülay ZORER GEDİK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1245-1260
DOI: 10.14744/sigma.2024.00099
Viewed: (564) times
Abstract | Full Text| PDF
Review Article
Title: UNLOCKING BIOGAS PRODUCTION POTENTIAL: EVALUATING THE ENVIRONMENTAL IMPACT AND BIODEGRADABILITY OF PHARMACEUTICAL AND MEDICAL WASTES
Authors: Abdulhalim Musa ABUBAKAR, Nasir Musa HARUNA, Zidani Danladi AHMED, Aminullah Zakariyyah ABDUL, Muhammad Abbagoni ABUBAKAR, Amina Mohamed ALI, Muhammad Jamil Umar SABO, Balasubramanian THIAGARAJAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1261-1291
DOI: 10.14744/sigma.2024.00096
Viewed: (545) times
Abstract | Full Text| PDF
Review Article
Title: TURKISH SENTIMENT ANALYSIS: A COMPREHENSIVE REVIEW
Authors: Ayşe Berna ALTINEL GİRGİN, Gizem GÜMÜŞÇEKİÇÇİ, Nuri Can BİRDEMİR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1292-1314
DOI: 10.14744/sigma.2024.00033
Viewed: (554) times
Abstract | Full Text| PDF
Review Article
Title: EVALUATION OF PROPERTIES FOR SYNTHETIC POLYMERS IN MEDICINE
Authors: Fatma İrem ŞAHİN, Nil ACARALI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2024, Volume: 42, Issue: 4, (AUG 2024), pp:1315-1324
DOI: 10.14744/sigma.2023.00100
Viewed: (695) times
Abstract | Full Text| PDF