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Review Article
Title: STUDIES ON ABNORMALITY ANALYSIS IN TYPICAL MEDICAL MODALITIES BASED ON BIOMEDICAL SIMULATION TOOLS
Authors: Srinivas THIRUMALA, K V BALARAMAKRISHNA, Tota SREENIVAS, P U V S N Pavan Kumar NALAM
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:346-367
DOI: 10.14744/sigma.2024.00129
Viewed: (188) times
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Research Article
Title: SYNTHESIS OF SENSITIZER CONTAINING TRIPHENYLAMINE AS DONOR GROUP AND İNVESTIGATION OF SOLAR CELL APPLICABILITY
Authors: Fatma AYTAN KILIÇARSLAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:340-345
DOI: 10.14744/sigma.2025.00024
Viewed: (146) times
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Research Article
Title: MODELING AND KINETICS INVESTIGATION OF ADSORPTIVE PROPERTIES AND REGENERATION OF MODIFIED CLAY ON AZO DYES REMOVAL FROM AQUEOUS SOLUTION USING ARTIFICIAL INTELLIGENCE (ANN, ANFIS) AND RSM
Authors: Nonso C. OGUANOBI, Chijioke E. ONU, Okechukwu D. ONUKWULI, Ephrem N. ANIKE, Calistus N. UDE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:316-339
DOI: 10.14744/sigma.2025.00023
Viewed: (115) times
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Research Article
Title: THE EFFECT OF LRB STIFFNESS CHANGES WITH AND WITHOUT SUPPLEMENTAL VISCOUS DAMPERS ON SEISMIC RESPONSES OF AN EXPERIMENTALLY VERIFIED MDOF BUILDING
Authors: Adnan KIRAL, Zeliha TONYALI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:301-315
DOI: 10.14744/sigma.2024.00104
Viewed: (106) times
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Research Article
Title: IMPROVED MAXIMUM LIKELIHOOD ESTIMATORS FOR THE PARAMETERS OF THE TWO PARAMETER LINDLEY DISTRIBUTION
Authors: Hasan Hüseyin GÜL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:290-300
DOI: 10.14744/sigma.2025.00022
Viewed: (116) times
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Research Article
Title: APPLICABILITY OF THE CONSTITUTIVE GAP PROMOTER FOR RECOMBINANT HUMAN INSULIN HORMONE PRODUCTION IN PICHIA PASTORIS
Authors: Aysun TÜRKANOĞLU-ÖZÇELİK, Fatma ERSÖZ, Semiramis YILMAZ, Burcu Emine TEFON-ÖZTÜRK, Mehmet İNAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:282-289
DOI: 10.14744/sigma.2025.00021
Viewed: (98) times
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Research Article
Title: STATISTICAL EXPLORATION FOR ENLARGEMENT OF REFORMED WATER CEMENT RATIO LAW FOR FLY ASH CONCRETE
Authors: Lomesh MAHAJAN, Monali KIRANGE, Sariputt BHAGAT
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:269-281
DOI: 10.14744/sigma.2025.00020
Viewed: (90) times
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Research Article
Title: STUDIES ON STRENGTH ASPECT AND EFFECTIVE USE OF MEDICAL FACE MASK TO MAKE A SUSTAINABLE GREEN FIBER REINFORCED CONCRETE
Authors: Karthiga Shenbagam NATARAJAN, Raja PRİYA P, Kannan V
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:260-268
DOI: 10.14744/sigma.2024.00048
Viewed: (75) times
Abstract | Full Text| PDF

Research Article
Title: A FULL FACTORIAL EXPERIMENTAL DESIGN-BASED APPROACH TO DETERMINE HOTEL ROOM PRICING: THE CASE OF ANTALYA, TÜRKİYE
Authors: Müberra TERZİ KUMANDAŞ, Akın ÖZDEMİR, Sermin ELEVLİ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:250-259
DOI: 10.14744/sigma.2025.00019
Viewed: (80) times
Abstract | Full Text| PDF

Research Article
Title: A COMPARATIVE STUDY ON THE MACHINING PERFORMANCE OF ECO-FRIENDLY LOW LEAD AND LEAD-FREE BRASS ALLOYS IN REPLACEMENT FOR LEADED ONES
Authors: Nima ZOGHIPOUR, Emre TAŞCIOĞLU, Ali Özkan KESKİN, Yusuf KAYNAK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:241-249
DOI: 10.14744/sigma.2025.00018
Viewed: (79) times
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Research Article
Title: CONTINUOUS DEPENDENCE OF SOLUTIONS TO A FOURTH ORDER EVOLUTION EQUATION
Authors: Sema BAYRAKTAR, Emine ÇELİK, Şevket GÜR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:234-240
DOI: 10.14744/sigma.2025.00017
Viewed: (101) times
Abstract | Full Text| PDF

Research Article
Title: A SECURE FRAMEWORK FOR MULTIMEDIA TRANSMISSION IN MEDICAL IMAGES USING DNA CRYPTOGRAPHY
Authors: Malathy N, Navin G, Sriram S, Bala Subramaniyan S
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:222-233
DOI: 10.14744/sigma.2024.00057
Viewed: (82) times
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Research Article
Title: CUT TOPOLOGY GENERATED BY GENERALIZED TRIANGULAR FUZZY NUMBERS
Authors: Yeşim YANARDAĞ, Memet KULE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:213-221
DOI: 10.14744/sigma.2025.00016
Viewed: (70) times
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Research Article
Title: PERFORMANCE OF IMPUTATION TECHNIQUES: A COMPREHENSIVE SIMULATION STUDY USING THE TRANSFORMER MODEL
Authors: İsmail YENİLMEZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:199-212
DOI: 10.14744/sigma.2025.00015
Viewed: (77) times
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Research Article
Title: DESIGN AND IMPLEMENTATION OF A NOVEL SEEDING DRONE
Authors: Simge KARADEMİR, Şakir TETER, Yusuf DENİZ, Ferhat YILDIZ, İsmail YARICI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: February, Year: 2025, Volume: 43, Issue: 1, (FEB 2025), pp:189-198
DOI: 10.14744/sigma.2025.00014
Viewed: (80) times
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